bugfix-node-not-leaving

- Add lock when perform synchronisation on concurrent access

cmd/api/main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"log"
 
-	"github.com/tim-beatham/wgmesh/pkg/api"
+	"github.com/tim-beatham/smegmesh/pkg/api"
 )
 
 func main() {

cmd/dns/main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"log"
 
-	smegdns "github.com/tim-beatham/wgmesh/pkg/dns"
+	smegdns "github.com/tim-beatham/smegmesh/pkg/dns"
 )
 
 func main() {

cmd/smegctl/main.go

@@ -0,0 +1,409 @@
+package main
+
+import (
+	"fmt"
+	ipcRpc "net/rpc"
+	"os"
+
+	"github.com/akamensky/argparse"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
+	graph "github.com/tim-beatham/smegmesh/pkg/dot"
+	"github.com/tim-beatham/smegmesh/pkg/ipc"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
+)
+
+const SockAddr = "/tmp/wgmesh_ipc.sock"
+
+type CreateMeshParams struct {
+	Client           *ipcRpc.Client
+	Endpoint         string
+	WgArgs           ipc.WireGuardArgs
+	AdvertiseRoutes  bool
+	AdvertiseDefault bool
+}
+
+func createMesh(client *ipc.SmegmeshIpc, args *ipc.NewMeshArgs) {
+	var reply string
+	err := client.CreateMesh(args, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(reply)
+}
+
+func listMeshes(client *ipc.SmegmeshIpc) {
+	reply := new(ipc.ListMeshReply)
+
+	err := client.ListMeshes(reply)
+
+	if err != nil {
+		logging.Log.WriteErrorf(err.Error())
+		return
+	}
+
+	for _, meshId := range reply.Meshes {
+		fmt.Println(meshId)
+	}
+}
+
+func joinMesh(client *ipc.SmegmeshIpc, args ipc.JoinMeshArgs) {
+	var reply string
+
+	err := client.JoinMesh(args, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+
+	fmt.Println(reply)
+}
+
+func leaveMesh(client *ipc.SmegmeshIpc, meshId string) {
+	var reply string
+
+	err := client.LeaveMesh(meshId, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(reply)
+}
+
+func getGraph(client *ipc.SmegmeshIpc) {
+	listMeshesReply := new(ipc.ListMeshReply)
+
+	err := client.ListMeshes(listMeshesReply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	meshes := make(map[string][]ctrlserver.MeshNode)
+
+	for _, meshId := range listMeshesReply.Meshes {
+		var meshReply ipc.GetMeshReply
+
+		err := client.GetMesh(meshId, &meshReply)
+
+		if err != nil {
+			fmt.Println(err.Error())
+			return
+		}
+
+		meshes[meshId] = meshReply.Nodes
+	}
+
+	dotGenerator := graph.NewMeshGraphConverter(meshes)
+	dot, err := dotGenerator.Generate()
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(dot)
+}
+
+func queryMesh(client *ipc.SmegmeshIpc, meshId, query string) {
+	var reply string
+
+	args := ipc.QueryMesh{
+		MeshId: meshId,
+		Query:  query,
+	}
+
+	err := client.Query(args, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(reply)
+}
+
+func putDescription(client *ipc.SmegmeshIpc, meshId, description string) {
+	var reply string
+
+	err := client.PutDescription(ipc.PutDescriptionArgs{
+		MeshId:      meshId,
+		Description: description,
+	}, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(reply)
+}
+
+// putAlias: puts an alias for the node
+func putAlias(client *ipc.SmegmeshIpc, meshid, alias string) {
+	var reply string
+
+	err := client.PutAlias(ipc.PutAliasArgs{
+		MeshId: meshid,
+		Alias:  alias,
+	}, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(reply)
+}
+
+func setService(client *ipc.SmegmeshIpc, meshId, service, value string) {
+	var reply string
+
+	err := client.PutService(ipc.PutServiceArgs{
+		MeshId:  meshId,
+		Service: service,
+		Value:   value,
+	}, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(reply)
+}
+
+func deleteService(client *ipc.SmegmeshIpc, meshId, service string) {
+	var reply string
+
+	err := client.DeleteService(ipc.DeleteServiceArgs{
+		MeshId:  meshId,
+		Service: service,
+	}, &reply)
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	fmt.Println(reply)
+}
+
+func main() {
+	parser := argparse.NewParser("smgctl",
+		"smegctl Manipulate WireGuard mesh networks")
+
+	newMeshCmd := parser.NewCommand("new-mesh", "Create a new mesh")
+	listMeshCmd := parser.NewCommand("list-meshes", "List meshes the node is connected to")
+	joinMeshCmd := parser.NewCommand("join-mesh", "Join a mesh network")
+	getGraphCmd := parser.NewCommand("get-graph", "Convert a mesh into DOT format")
+	leaveMeshCmd := parser.NewCommand("leave-mesh", "Leave a mesh network")
+	queryMeshCmd := parser.NewCommand("query-mesh", "Query a mesh network using JMESPath")
+	putDescriptionCmd := parser.NewCommand("put-description", "Place a description for the node")
+	putAliasCmd := parser.NewCommand("put-alias", "Place an alias for the node")
+	setServiceCmd := parser.NewCommand("set-service", "Place a service into your advertisements")
+	deleteServiceCmd := parser.NewCommand("delete-service", "Remove a service from your advertisements")
+
+	var newMeshPort *int = newMeshCmd.Int("p", "wgport", &argparse.Options{
+		Default: 0,
+		Help:    "WireGuard port to use to the interface. A default of 0 uses an unused ephmeral port.",
+	})
+
+	var newMeshEndpoint *string = newMeshCmd.String("e", "endpoint", &argparse.Options{
+		Help: "Publicly routeable endpoint to advertise within the mesh",
+	})
+
+	var newMeshRole *string = newMeshCmd.Selector("r", "role", []string{"peer", "client"}, &argparse.Options{
+		Help: "Role in the mesh network. A value of peer means that the node is publicly routeable and thus considered" +
+			" in the gossip protocol. Client means that the node is not publicly routeable and is not a candidate in the gossip" +
+			" protocol",
+	})
+	var newMeshKeepAliveWg *int = newMeshCmd.Int("k", "KeepAliveWg", &argparse.Options{
+		Default: 0,
+		Help:    "WireGuard KeepAlive value for NAT traversal and firewall holepunching",
+	})
+
+	var newMeshAdvertiseRoutes *bool = newMeshCmd.Flag("a", "advertise", &argparse.Options{
+		Help: "Advertise routes to other mesh network into the mesh",
+	})
+
+	var newMeshAdvertiseDefaults *bool = newMeshCmd.Flag("d", "defaults", &argparse.Options{
+		Help: "Advertise ::/0 into the mesh network",
+	})
+
+	var joinMeshId *string = joinMeshCmd.String("m", "meshid", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh network to join",
+	})
+
+	var joinMeshIpAddress *string = joinMeshCmd.String("i", "ip", &argparse.Options{
+		Required: true,
+		Help:     "IP address of the bootstrapping node to join through",
+	})
+
+	var joinMeshEndpoint *string = joinMeshCmd.String("e", "endpoint", &argparse.Options{
+		Help: "Publicly routeable endpoint to advertise within the mesh",
+	})
+
+	var joinMeshRole *string = joinMeshCmd.Selector("r", "role", []string{"peer", "client"}, &argparse.Options{
+		Help: "Role in the mesh network. A value of peer means that the node is publicly routeable and thus considered" +
+			" in the gossip protocol. Client means that the node is not publicly routeable and is not a candidate in the gossip" +
+			" protocol",
+	})
+
+	var joinMeshPort *int = joinMeshCmd.Int("p", "wgport", &argparse.Options{
+		Default: 0,
+		Help:    "WireGuard port to use to the interface. A default of 0 uses an unused ephmeral port.",
+	})
+
+	var joinMeshKeepAliveWg *int = joinMeshCmd.Int("k", "KeepAliveWg", &argparse.Options{
+		Default: 0,
+		Help:    "WireGuard KeepAlive value for NAT traversal and firewall ho;lepunching",
+	})
+
+	var joinMeshAdvertiseRoutes *bool = joinMeshCmd.Flag("a", "advertise", &argparse.Options{
+		Help: "Advertise routes to other mesh network into the mesh",
+	})
+
+	var joinMeshAdvertiseDefaults *bool = joinMeshCmd.Flag("d", "defaults", &argparse.Options{
+		Help: "Advertise ::/0 into the mesh network",
+	})
+
+	var leaveMeshMeshId *string = leaveMeshCmd.String("m", "mesh", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh to leave",
+	})
+
+	var queryMeshMeshId *string = queryMeshCmd.String("m", "mesh", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh to query",
+	})
+	var queryMeshQuery *string = queryMeshCmd.String("q", "query", &argparse.Options{
+		Required: true,
+		Help:     "JMESPath Query Of The Mesh Network To Query",
+	})
+
+	var description *string = putDescriptionCmd.String("d", "description", &argparse.Options{
+		Required: true,
+		Help:     "Description of the node in the mesh",
+	})
+
+	var descriptionMeshId *string = putDescriptionCmd.String("m", "meshid", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh network to join",
+	})
+
+	var aliasMeshId *string = putAliasCmd.String("m", "meshid", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh network to join",
+	})
+
+	var alias *string = putAliasCmd.String("a", "alias", &argparse.Options{
+		Required: true,
+		Help:     "Alias of the node to set can be used in DNS to lookup an IP address",
+	})
+
+	var serviceKey *string = setServiceCmd.String("s", "service", &argparse.Options{
+		Required: true,
+		Help:     "Key of the service to advertise in the mesh network",
+	})
+	var serviceValue *string = setServiceCmd.String("v", "value", &argparse.Options{
+		Required: true,
+		Help:     "Value of the service to advertise in the mesh network",
+	})
+
+	var serviceMeshId *string = setServiceCmd.String("m", "meshid", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh network to join",
+	})
+
+	var deleteServiceKey *string = deleteServiceCmd.String("s", "service", &argparse.Options{
+		Required: true,
+		Help:     "Key of the service to remove",
+	})
+
+	var deleteServiceMeshid *string = deleteServiceCmd.String("m", "meshid", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh network to join",
+	})
+
+	err := parser.Parse(os.Args)
+
+	if err != nil {
+		fmt.Print(parser.Usage(err))
+		return
+	}
+
+	client, err := ipc.NewClientIpc()
+	if err != nil {
+		panic(err)
+	}
+
+	if newMeshCmd.Happened() {
+		args := &ipc.NewMeshArgs{
+			WgArgs: ipc.WireGuardArgs{
+				Endpoint:              *newMeshEndpoint,
+				Role:                  *newMeshRole,
+				WgPort:                *newMeshPort,
+				KeepAliveWg:           *newMeshKeepAliveWg,
+				AdvertiseDefaultRoute: *newMeshAdvertiseDefaults,
+				AdvertiseRoutes:       *newMeshAdvertiseRoutes,
+			},
+		}
+
+		createMesh(client, args)
+	}
+
+	if listMeshCmd.Happened() {
+		listMeshes(client)
+	}
+
+	if joinMeshCmd.Happened() {
+		args := ipc.JoinMeshArgs{
+			IpAddress: *joinMeshIpAddress,
+			MeshId:    *joinMeshId,
+			WgArgs: ipc.WireGuardArgs{
+				Endpoint:              *joinMeshEndpoint,
+				Role:                  *joinMeshRole,
+				WgPort:                *joinMeshPort,
+				KeepAliveWg:           *joinMeshKeepAliveWg,
+				AdvertiseDefaultRoute: *joinMeshAdvertiseDefaults,
+				AdvertiseRoutes:       *joinMeshAdvertiseRoutes,
+			},
+		}
+		joinMesh(client, args)
+	}
+
+	if getGraphCmd.Happened() {
+		getGraph(client)
+	}
+
+	if leaveMeshCmd.Happened() {
+		leaveMesh(client, *leaveMeshMeshId)
+	}
+
+	if queryMeshCmd.Happened() {
+		queryMesh(client, *queryMeshMeshId, *queryMeshQuery)
+	}
+
+	if putDescriptionCmd.Happened() {
+		putDescription(client, *descriptionMeshId, *description)
+	}
+
+	if putAliasCmd.Happened() {
+		putAlias(client, *aliasMeshId, *alias)
+	}
+
+	if setServiceCmd.Happened() {
+		setService(client, *serviceMeshId, *serviceKey, *serviceValue)
+	}
+
+	if deleteServiceCmd.Happened() {
+		deleteService(client, *deleteServiceMeshid, *deleteServiceKey)
+	}
+}

cmd/smegd/main.go

@@ -6,26 +6,26 @@ import (
 	"os"
 	"os/signal"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	ctrlserver "github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	ctrlserver "github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/ipc"
+	"github.com/tim-beatham/smegmesh/pkg/ipc"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
-	"github.com/tim-beatham/wgmesh/pkg/robin"
+	"github.com/tim-beatham/smegmesh/pkg/robin"
-	"github.com/tim-beatham/wgmesh/pkg/sync"
+	"github.com/tim-beatham/smegmesh/pkg/sync"
-	timer "github.com/tim-beatham/wgmesh/pkg/timers"
+	timer "github.com/tim-beatham/smegmesh/pkg/timers"
 	"golang.zx2c4.com/wireguard/wgctrl"
 )
 
 func main() {
 	if len(os.Args) != 2 {
-		logging.Log.WriteErrorf("Need to provide configuration.yaml")
+		logging.Log.WriteErrorf("Did not provide configuration")
 		return
 	}
 
-	conf, err := conf.ParseConfiguration(os.Args[1])
+	conf, err := conf.ParseDaemonConfiguration(os.Args[1])
 	if err != nil {
-		logging.Log.WriteInfof("Could not parse configuration")
+		logging.Log.WriteErrorf("Could not parse configuration: %s", err.Error())
 		return
 	}
 
@@ -59,6 +59,11 @@ func main() {
 	}
 
 	ctrlServer, err := ctrlserver.NewCtrlServer(&ctrlServerParams)
+
+	if err != nil {
+		panic(err)
+	}
+
 	syncProvider.Server = ctrlServer
 	syncRequester = sync.NewSyncRequester(ctrlServer)
 	syncer = sync.NewSyncer(ctrlServer.MeshManager, conf, syncRequester)

cmd/wg-mesh/main.go

@@ -1,355 +0,0 @@
-package main
-
-import (
-	"fmt"
-	ipcRpc "net/rpc"
-	"os"
-	"strings"
-	"time"
-
-	"github.com/akamensky/argparse"
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/ipc"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
-)
-
-const SockAddr = "/tmp/wgmesh_ipc.sock"
-
-type CreateMeshParams struct {
-	Client   *ipcRpc.Client
-	WgPort   int
-	Endpoint string
-}
-
-func createMesh(args *CreateMeshParams) string {
-	var reply string
-	newMeshParams := ipc.NewMeshArgs{
-		WgPort:   args.WgPort,
-		Endpoint: args.Endpoint,
-	}
-
-	err := args.Client.Call("IpcHandler.CreateMesh", &newMeshParams, &reply)
-
-	if err != nil {
-		return err.Error()
-	}
-
-	return reply
-}
-
-func listMeshes(client *ipcRpc.Client) {
-	reply := new(ipc.ListMeshReply)
-
-	err := client.Call("IpcHandler.ListMeshes", "", &reply)
-
-	if err != nil {
-		logging.Log.WriteErrorf(err.Error())
-		return
-	}
-
-	for _, meshId := range reply.Meshes {
-		fmt.Println(meshId)
-	}
-}
-
-type JoinMeshParams struct {
-	Client    *ipcRpc.Client
-	MeshId    string
-	IpAddress string
-	IfName    string
-	WgPort    int
-	Endpoint  string
-}
-
-func joinMesh(params *JoinMeshParams) string {
-	var reply string
-
-	args := ipc.JoinMeshArgs{
-		MeshId:   params.MeshId,
-		IpAdress: params.IpAddress,
-		Port:     params.WgPort,
-	}
-
-	err := params.Client.Call("IpcHandler.JoinMesh", &args, &reply)
-
-	if err != nil {
-		return err.Error()
-	}
-
-	return reply
-}
-
-func getMesh(client *ipcRpc.Client, meshId string) {
-	reply := new(ipc.GetMeshReply)
-
-	err := client.Call("IpcHandler.GetMesh", &meshId, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	for _, node := range reply.Nodes {
-		fmt.Println("Public Key: " + node.PublicKey)
-		fmt.Println("Control Endpoint: " + node.HostEndpoint)
-		fmt.Println("WireGuard Endpoint: " + node.WgEndpoint)
-		fmt.Println("Wg IP: " + node.WgHost)
-		fmt.Printf("Timestamp: %s", time.Unix(node.Timestamp, 0).String())
-
-		mapFunc := func(r ctrlserver.MeshRoute) string {
-			return r.Destination
-		}
-
-		advertiseRoutes := strings.Join(lib.Map(node.Routes, mapFunc), ",")
-		fmt.Printf("Routes: %s\n", advertiseRoutes)
-
-		fmt.Println("---")
-	}
-}
-
-func leaveMesh(client *ipcRpc.Client, meshId string) {
-	var reply string
-
-	err := client.Call("IpcHandler.LeaveMesh", &meshId, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-func enableInterface(client *ipcRpc.Client, meshId string) {
-	var reply string
-
-	err := client.Call("IpcHandler.EnableInterface", &meshId, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-func getGraph(client *ipcRpc.Client, meshId string) {
-	var reply string
-
-	err := client.Call("IpcHandler.GetDOT", &meshId, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-func queryMesh(client *ipcRpc.Client, meshId, query string) {
-	var reply string
-
-	err := client.Call("IpcHandler.Query", &ipc.QueryMesh{MeshId: meshId, Query: query}, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-// putDescription: puts updates the description about the node to the meshes
-func putDescription(client *ipcRpc.Client, description string) {
-	var reply string
-
-	err := client.Call("IpcHandler.PutDescription", &description, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-// putAlias: puts an alias for the node
-func putAlias(client *ipcRpc.Client, alias string) {
-	var reply string
-
-	err := client.Call("IpcHandler.PutAlias", &alias, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-func setService(client *ipcRpc.Client, service, value string) {
-	var reply string
-
-	serviceArgs := &ipc.PutServiceArgs{
-		Service: service,
-		Value:   value,
-	}
-
-	err := client.Call("IpcHandler.PutService", serviceArgs, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-func deleteService(client *ipcRpc.Client, service string) {
-	var reply string
-
-	err := client.Call("IpcHandler.PutService", &service, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-func getNode(client *ipcRpc.Client, nodeId, meshId string) {
-	var reply string
-	args := &ipc.GetNodeArgs{
-		NodeId: nodeId,
-		MeshId: meshId,
-	}
-
-	err := client.Call("IpcHandler.GetNode", &args, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
-func main() {
-	parser := argparse.NewParser("wg-mesh",
-		"wg-mesh Manipulate WireGuard meshes")
-
-	newMeshCmd := parser.NewCommand("new-mesh", "Create a new mesh")
-	listMeshCmd := parser.NewCommand("list-meshes", "List meshes the node is connected to")
-	joinMeshCmd := parser.NewCommand("join-mesh", "Join a mesh network")
-	enableInterfaceCmd := parser.NewCommand("enable-interface", "Enable A Specific Mesh Interface")
-	getGraphCmd := parser.NewCommand("get-graph", "Convert a mesh into DOT format")
-	leaveMeshCmd := parser.NewCommand("leave-mesh", "Leave a mesh network")
-	queryMeshCmd := parser.NewCommand("query-mesh", "Query a mesh network using JMESPath")
-	putDescriptionCmd := parser.NewCommand("put-description", "Place a description for the node")
-	putAliasCmd := parser.NewCommand("put-alias", "Place an alias for the node")
-	setServiceCmd := parser.NewCommand("set-service", "Place a service into your advertisements")
-	deleteServiceCmd := parser.NewCommand("delete-service", "Remove a service from your advertisements")
-	getNodeCmd := parser.NewCommand("get-node", "Get a specific node from the mesh")
-
-	var newMeshPort *int = newMeshCmd.Int("p", "wgport", &argparse.Options{})
-	var newMeshEndpoint *string = newMeshCmd.String("e", "endpoint", &argparse.Options{})
-
-	var joinMeshId *string = joinMeshCmd.String("m", "mesh", &argparse.Options{Required: true})
-	var joinMeshIpAddress *string = joinMeshCmd.String("i", "ip", &argparse.Options{Required: true})
-	var joinMeshPort *int = joinMeshCmd.Int("p", "wgport", &argparse.Options{})
-	var joinMeshEndpoint *string = joinMeshCmd.String("e", "endpoint", &argparse.Options{})
-
-	var enableInterfaceMeshId *string = enableInterfaceCmd.String("m", "mesh", &argparse.Options{Required: true})
-
-	var getGraphMeshId *string = getGraphCmd.String("m", "mesh", &argparse.Options{Required: true})
-
-	var leaveMeshMeshId *string = leaveMeshCmd.String("m", "mesh", &argparse.Options{Required: true})
-
-	var queryMeshMeshId *string = queryMeshCmd.String("m", "mesh", &argparse.Options{Required: true})
-	var queryMeshQuery *string = queryMeshCmd.String("q", "query", &argparse.Options{Required: true})
-
-	var description *string = putDescriptionCmd.String("d", "description", &argparse.Options{Required: true})
-
-	var alias *string = putAliasCmd.String("a", "alias", &argparse.Options{Required: true})
-
-	var serviceKey *string = setServiceCmd.String("s", "service", &argparse.Options{Required: true})
-	var serviceValue *string = setServiceCmd.String("v", "value", &argparse.Options{Required: true})
-
-	var deleteServiceKey *string = deleteServiceCmd.String("s", "service", &argparse.Options{Required: true})
-
-	var getNodeNodeId *string = getNodeCmd.String("n", "nodeid", &argparse.Options{Required: true})
-	var getNodeMeshId *string = getNodeCmd.String("m", "meshid", &argparse.Options{Required: true})
-
-	err := parser.Parse(os.Args)
-
-	if err != nil {
-		fmt.Print(parser.Usage(err))
-		return
-	}
-
-	client, err := ipcRpc.DialHTTP("unix", SockAddr)
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	if newMeshCmd.Happened() {
-		fmt.Println(createMesh(&CreateMeshParams{
-			Client:   client,
-			WgPort:   *newMeshPort,
-			Endpoint: *newMeshEndpoint,
-		}))
-	}
-
-	if listMeshCmd.Happened() {
-		listMeshes(client)
-	}
-
-	if joinMeshCmd.Happened() {
-		fmt.Println(joinMesh(&JoinMeshParams{
-			Client:    client,
-			WgPort:    *joinMeshPort,
-			IpAddress: *joinMeshIpAddress,
-			MeshId:    *joinMeshId,
-			Endpoint:  *joinMeshEndpoint,
-		}))
-	}
-
-	if getGraphCmd.Happened() {
-		getGraph(client, *getGraphMeshId)
-	}
-
-	if enableInterfaceCmd.Happened() {
-		enableInterface(client, *enableInterfaceMeshId)
-	}
-
-	if leaveMeshCmd.Happened() {
-		leaveMesh(client, *leaveMeshMeshId)
-	}
-
-	if queryMeshCmd.Happened() {
-		queryMesh(client, *queryMeshMeshId, *queryMeshQuery)
-	}
-
-	if putDescriptionCmd.Happened() {
-		putDescription(client, *description)
-	}
-
-	if putAliasCmd.Happened() {
-		putAlias(client, *alias)
-	}
-
-	if setServiceCmd.Happened() {
-		setService(client, *serviceKey, *serviceValue)
-	}
-
-	if deleteServiceCmd.Happened() {
-		deleteService(client, *deleteServiceKey)
-	}
-
-	if getNodeCmd.Happened() {
-		getNode(client, *getNodeNodeId, *getNodeMeshId)
-	}
-}

cmd/wgmeshd/configuration.yaml

@@ -10,5 +10,5 @@ syncRate: 1
 interClusterChance: 0.15
 branchRate: 3
 infectionCount: 3
-keepAliveTime: 10
+heartBeatTime: 10
 pruneTime: 20

examples/meshtomesh/shared/configuration.yaml

@@ -10,5 +10,5 @@ syncRate: 1
 interClusterChance: 0.15
 branchRate: 3
 infectionCount: 3
-keepAliveTime: 10
+heartBeatTime: 10
 pruneTime: 20

examples/simple/shared/configuration.yaml

@@ -10,5 +10,5 @@ syncRate: 1
 interClusterChance: 0.15
 branchRate: 3
 infectionCount: 3
-keepAliveTime: 10
+heartBeatTime: 10
 pruneTime: 20

go.mod

@@ -1,14 +1,18 @@
-module github.com/tim-beatham/wgmesh
+module github.com/tim-beatham/smegmesh
 
 go 1.21.3
 
 require (
 	github.com/akamensky/argparse v1.4.0
+	github.com/anandvarma/namegen v0.0.0-20230727084436-5197c6ea3255
 	github.com/automerge/automerge-go v0.0.0-20230903201930-b80ce8aadbb9
 	github.com/gin-gonic/gin v1.9.1
+	github.com/go-playground/validator/v10 v10.16.0
 	github.com/google/uuid v1.3.0
 	github.com/jmespath/go-jmespath v0.4.0
 	github.com/jsimonetti/rtnetlink v1.3.5
+	github.com/lithammer/shortuuid v3.0.0+incompatible
+	github.com/miekg/dns v1.1.57
 	github.com/sirupsen/logrus v1.9.3
 	golang.org/x/sys v0.14.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
@@ -24,7 +28,6 @@ require (
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.14.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
@@ -42,10 +45,13 @@ require (
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect
 	golang.org/x/arch v0.3.0 // indirect
-	golang.org/x/crypto v0.13.0 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
-	golang.org/x/net v0.15.0 // indirect
+	golang.org/x/exp v0.0.0-20230321023759-10a507213a29 // indirect
-	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sync v0.4.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/tools v0.13.0 // indirect
 	golang.zx2c4.com/wireguard v0.0.0-20230704135630-469159ecf7d1 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 )

go.sum

@@ -0,0 +1,141 @@
+github.com/akamensky/argparse v1.4.0 h1:YGzvsTqCvbEZhL8zZu2AiA5nq805NZh75JNj4ajn1xc=
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+github.com/automerge/automerge-go v0.0.0-20230903201930-b80ce8aadbb9/go.mod h1:6UxoDE+thWsISXK93pxaOuOfkcAfCvDbg0eAnFmxL5E=
+github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
+github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
+github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
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+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
+github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
+github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU=
+github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
+golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
+golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
+golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
+golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
+golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
+golang.org/x/exp v0.0.0-20230321023759-10a507213a29 h1:ooxPy7fPvB4kwsA2h+iBNHkAbp/4JxTSwCmvdjEYmug=
+golang.org/x/exp v0.0.0-20230321023759-10a507213a29/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
+golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
+golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
+golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
+golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
+golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
+golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
+golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.zx2c4.com/wireguard v0.0.0-20230704135630-469159ecf7d1 h1:EY138uSo1JYlDq+97u1FtcOUwPpIU6WL1Lkt7WpYjPA=
+golang.zx2c4.com/wireguard v0.0.0-20230704135630-469159ecf7d1/go.mod h1:tqur9LnfstdR9ep2LaJT4lFUl0EjlHtge+gAjmsHUG4=
+golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6 h1:CawjfCvYQH2OU3/TnxLx97WDSUDRABfT18pCOYwc2GE=
+golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6/go.mod h1:3rxYc4HtVcSG9gVaTs2GEBdehh+sYPOwKtyUWEOTb80=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 h1:bVf09lpb+OJbByTj913DRJioFFAjf/ZGxEz7MajTp2U=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM=
+google.golang.org/grpc v1.58.1 h1:OL+Vz23DTtrrldqHK49FUOPHyY75rvFqJfXC84NYW58=
+google.golang.org/grpc v1.58.1/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

pkg/api/apiserver.go

@@ -4,17 +4,13 @@ import (
 	"fmt"
 	"net/http"
 
-	ipcRpc "net/rpc"
-
 	"github.com/gin-gonic/gin"
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/ipc"
+	"github.com/tim-beatham/smegmesh/pkg/ipc"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/what8words"
+	"github.com/tim-beatham/smegmesh/pkg/what8words"
 )
 
-const SockAddr = "/tmp/wgmesh_ipc.sock"
-
 type ApiServer interface {
 	GetMeshes(c *gin.Context)
 	Run(addr string) error
@@ -22,7 +18,7 @@ type ApiServer interface {
 
 type SmegServer struct {
 	router *gin.Engine
-	client *ipcRpc.Client
+	client *ipc.SmegmeshIpc
 	words  *what8words.What8Words
 }
 
@@ -65,6 +61,12 @@ func (s *SmegServer) meshNodeToAPIMeshNode(meshNode ctrlserver.MeshNode) *SmegNo
 		PublicKey:   meshNode.PublicKey,
 		Alias:       alias,
 		Services:    meshNode.Services,
+		Stats: SmegStats{
+			TotalTransmit:     meshNode.Stats.TransmitBytes,
+			TotalReceived:     meshNode.Stats.ReceivedBytes,
+			KeepAliveInterval: meshNode.Stats.PersistentKeepAliveInterval,
+			AllowedIps:        meshNode.Stats.AllowedIPs,
+		},
 	}
 }
 
@@ -93,12 +95,14 @@ func (s *SmegServer) CreateMesh(c *gin.Context) {
 	}
 
 	ipcRequest := ipc.NewMeshArgs{
-		WgPort: createMesh.WgPort,
+		WgArgs: ipc.WireGuardArgs{
+			WgPort: createMesh.WgPort,
+		},
 	}
 
 	var reply string
 
-	err := s.client.Call("IpcHandler.CreateMesh", &ipcRequest, &reply)
+	err := s.client.CreateMesh(&ipcRequest, &reply)
 
 	if err != nil {
 		c.JSON(http.StatusBadRequest, &gin.H{
@@ -124,14 +128,16 @@ func (s *SmegServer) JoinMesh(c *gin.Context) {
 	}
 
 	ipcRequest := ipc.JoinMeshArgs{
-		MeshId:   joinMesh.MeshId,
+		MeshId:    joinMesh.MeshId,
-		IpAdress: joinMesh.Bootstrap,
+		IpAddress: joinMesh.Bootstrap,
-		Port:     joinMesh.WgPort,
+		WgArgs: ipc.WireGuardArgs{
+			WgPort: joinMesh.WgPort,
+		},
 	}
 
 	var reply string
 
-	err := s.client.Call("IpcHandler.JoinMesh", &ipcRequest, &reply)
+	err := s.client.JoinMesh(ipcRequest, &reply)
 
 	if err != nil {
 		c.JSON(http.StatusBadRequest, &gin.H{
@@ -154,7 +160,7 @@ func (s *SmegServer) GetMesh(c *gin.Context) {
 
 	getMeshReply := new(ipc.GetMeshReply)
 
-	err := s.client.Call("IpcHandler.GetMesh", &meshid, &getMeshReply)
+	err := s.client.GetMesh(meshid, getMeshReply)
 
 	if err != nil {
 		c.JSON(http.StatusNotFound,
@@ -172,7 +178,7 @@ func (s *SmegServer) GetMesh(c *gin.Context) {
 func (s *SmegServer) GetMeshes(c *gin.Context) {
 	listMeshesReply := new(ipc.ListMeshReply)
 
-	err := s.client.Call("IpcHandler.ListMeshes", "", &listMeshesReply)
+	err := s.client.ListMeshes(listMeshesReply)
 
 	if err != nil {
 		logging.Log.WriteErrorf(err.Error())
@@ -185,7 +191,7 @@ func (s *SmegServer) GetMeshes(c *gin.Context) {
 	for _, mesh := range listMeshesReply.Meshes {
 		getMeshReply := new(ipc.GetMeshReply)
 
-		err := s.client.Call("IpcHandler.GetMesh", &mesh, &getMeshReply)
+		err := s.client.GetMesh(mesh, getMeshReply)
 
 		if err != nil {
 			logging.Log.WriteErrorf(err.Error())
@@ -205,7 +211,7 @@ func (s *SmegServer) Run(addr string) error {
 }
 
 func NewSmegServer(conf ApiServerConf) (ApiServer, error) {
-	client, err := ipcRpc.DialHTTP("unix", SockAddr)
+	client, err := ipc.NewClientIpc()
 
 	if err != nil {
 		return nil, err
@@ -229,9 +235,19 @@ func NewSmegServer(conf ApiServerConf) (ApiServer, error) {
 		words:  words,
 	}
 
-	router.GET("/meshes", smegServer.GetMeshes)
+	v1 := router.Group("/api/v1")
-	router.GET("/mesh/:meshid", smegServer.GetMesh)
+	{
-	router.POST("/mesh/create", smegServer.CreateMesh)
+		meshes := v1.Group("/meshes")
-	router.POST("/mesh/join", smegServer.JoinMesh)
+		{
+			meshes.GET("/", smegServer.GetMeshes)
+		}
+		mesh := v1.Group("/mesh")
+		{
+			mesh.GET("/:meshid", smegServer.GetMesh)
+			mesh.POST("/create", smegServer.CreateMesh)
+			mesh.POST("/join", smegServer.JoinMesh)
+		}
+	}
+
 	return smegServer, nil
 }

pkg/api/types.go

@@ -1,10 +1,19 @@
 package api
 
+import "time"
+
 type Route struct {
 	Prefix string   `json:"prefix"`
 	Path   []string `json:"path"`
 }
 
+type SmegStats struct {
+	TotalTransmit     int64         `json:"totalTransmit"`
+	TotalReceived     int64         `json:"totalReceived"`
+	KeepAliveInterval time.Duration `json:"keepaliveInterval"`
+	AllowedIps        []string      `json:"allowedIps"`
+}
+
 type SmegNode struct {
 	Alias       string            `json:"alias"`
 	WgHost      string            `json:"wgHost"`
@@ -15,6 +24,7 @@ type SmegNode struct {
 	PublicKey   string            `json:"publicKey"`
 	Routes      []Route           `json:"routes"`
 	Services    map[string]string `json:"services"`
+	Stats       SmegStats         `json:"stats"`
 }
 
 type SmegMesh struct {

pkg/automerge/automerge.go

@@ -9,10 +9,10 @@ import (
 	"time"
 
 	"github.com/automerge/automerge-go"
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
@@ -24,7 +24,7 @@ type CrdtMeshManager struct {
 	Client        *wgctrl.Client
 	doc           *automerge.Doc
 	LastHash      automerge.ChangeHash
-	conf          *conf.WgMeshConfiguration
+	conf          *conf.WgConfiguration
 	cache         *MeshCrdt
 	lastCacheHash automerge.ChangeHash
 }
@@ -40,7 +40,11 @@ func (c *CrdtMeshManager) AddNode(node mesh.MeshNode) {
 	crdt.Services = make(map[string]string)
 	crdt.Timestamp = time.Now().Unix()
 
-	c.doc.Path("nodes").Map().Set(crdt.PublicKey, crdt)
+	err := c.doc.Path("nodes").Map().Set(crdt.PublicKey, crdt)
+
+	if err != nil {
+		logging.Log.WriteInfof("error")
+	}
 }
 
 func (c *CrdtMeshManager) isPeer(nodeId string) bool {
@@ -74,8 +78,8 @@ func (c *CrdtMeshManager) isAlive(nodeId string) bool {
 		return false
 	}
 
-	keepAliveTime := timestamp.Int64()
+	return true
-	return (time.Now().Unix() - keepAliveTime) < int64(c.conf.DeadTime)
+	// return (time.Now().Unix() - keepAliveTime) < int64(c.conf.DeadTime)
 }
 
 func (c *CrdtMeshManager) GetPeers() []string {
@@ -135,7 +139,7 @@ type NewCrdtNodeMangerParams struct {
 	MeshId  string
 	DevName string
 	Port    int
-	Conf    conf.WgMeshConfiguration
+	Conf    *conf.WgConfiguration
 	Client  *wgctrl.Client
 }
 
@@ -146,7 +150,7 @@ func NewCrdtNodeManager(params *NewCrdtNodeMangerParams) (*CrdtMeshManager, erro
 	manager.doc = automerge.New()
 	manager.IfName = params.DevName
 	manager.Client = params.Client
-	manager.conf = &params.Conf
+	manager.conf = params.Conf
 	manager.cache = nil
 	return &manager, nil
 }
@@ -161,7 +165,7 @@ func (m *CrdtMeshManager) GetNode(endpoint string) (mesh.MeshNode, error) {
 	node, err := m.doc.Path("nodes").Map().Get(endpoint)
 
 	if node.Kind() != automerge.KindMap {
-		return nil, fmt.Errorf("GetNode: something went wrong %s is not a map type")
+		return nil, fmt.Errorf("getnode: node is not a map")
 	}
 
 	if err != nil {
@@ -449,7 +453,7 @@ func (m *CrdtMeshManager) RemoveNode(nodeId string) error {
 }
 
 // DeleteRoutes deletes the specified routes
-func (m *CrdtMeshManager) RemoveRoutes(nodeId string, routes ...string) error {
+func (m *CrdtMeshManager) RemoveRoutes(nodeId string, routes ...mesh.Route) error {
 	nodeVal, err := m.doc.Path("nodes").Map().Get(nodeId)
 
 	if err != nil {
@@ -467,65 +471,26 @@ func (m *CrdtMeshManager) RemoveRoutes(nodeId string, routes ...string) error {
 	}
 
 	for _, route := range routes {
-		err = routeMap.Map().Delete(route)
+		err = routeMap.Map().Delete(route.GetDestination().String())
 	}
 
 	return err
 }
 
+// GetConfiguration: gets the configuration for this mesh network
+func (m *CrdtMeshManager) GetConfiguration() *conf.WgConfiguration {
+	return m.conf
+}
+
+// Mark: mark the node as locally dead
+func (m *CrdtMeshManager) Mark(nodeId string) {
+}
+
 func (m *CrdtMeshManager) GetSyncer() mesh.MeshSyncer {
 	return NewAutomergeSync(m)
 }
 
 func (m *CrdtMeshManager) Prune() error {
-	// nodes, err := m.doc.Path("nodes").Get()
-
-	// if err != nil {
-	// 	return err
-	// }
-
-	// if nodes.Kind() != automerge.KindMap {
-	// 	return errors.New("node must be a map")
-	// }
-
-	// values, err := nodes.Map().Values()
-
-	// if err != nil {
-	// 	return err
-	// }
-
-	// deletionNodes := make([]string, 0)
-
-	// for nodeId, node := range values {
-	// 	if node.Kind() != automerge.KindMap {
-	// 		return errors.New("node must be a map")
-	// 	}
-
-	// 	nodeMap := node.Map()
-
-	// 	timeStamp, err := nodeMap.Get("timestamp")
-
-	// 	if err != nil {
-	// 		return err
-	// 	}
-
-	// 	if timeStamp.Kind() != automerge.KindInt64 {
-	// 		return errors.New("timestamp is not int64")
-	// 	}
-
-	// 	timeValue := timeStamp.Int64()
-	// 	nowValue := time.Now().Unix()
-
-	// 	if nowValue-timeValue >= int64(pruneTime) {
-	// 		deletionNodes = append(deletionNodes, nodeId)
-	// 	}
-	// }
-
-	// for _, node := range deletionNodes {
-	// 	logging.Log.WriteInfof("Pruning %s", node)
-	// 	nodes.Map().Delete(node)
-	// }
-
 	return nil
 }
 

pkg/automerge/automerge_sync.go

@@ -2,7 +2,7 @@ package automerge
 
 import (
 	"github.com/automerge/automerge-go"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
 )
 
 type AutomergeSync struct {

pkg/automerge/automerge_test.go

@@ -1,14 +1,14 @@
 package automerge
 
 import (
-	"slices"
+	"net"
 	"strings"
 	"testing"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
@@ -22,7 +22,7 @@ func setUpTests() *TestParams {
 		DevName: "wg0",
 		Port:    5000,
 		Client:  nil,
-		Conf:    conf.WgMeshConfiguration{},
+		Conf:    &conf.WgConfiguration{},
 	})
 
 	return &TestParams{
@@ -31,22 +31,26 @@ func setUpTests() *TestParams {
 }
 
 func getTestNode() mesh.MeshNode {
+	pubKey, _ := wgtypes.GeneratePrivateKey()
+
 	return &MeshNodeCrdt{
 		HostEndpoint: "public-endpoint:8080",
 		WgEndpoint:   "public-endpoint:21906",
 		WgHost:       "3e9a:1fb3:5e50:8173:9690:f917:b1ab:d218/128",
-		PublicKey:    "AAAAAAAAAAAA",
+		PublicKey:    pubKey.String(),
 		Timestamp:    time.Now().Unix(),
 		Description:  "A node that we are adding",
 	}
 }
 
 func getTestNode2() mesh.MeshNode {
+	pubKey, _ := wgtypes.GeneratePrivateKey()
+
 	return &MeshNodeCrdt{
 		HostEndpoint: "public-endpoint:8081",
 		WgEndpoint:   "public-endpoint:21907",
 		WgHost:       "3e9a:1fb3:5e50:8173:9690:f917:b1ab:d219/128",
-		PublicKey:    "BBBBBBBBB",
+		PublicKey:    pubKey.String(),
 		Timestamp:    time.Now().Unix(),
 		Description:  "A node that we are adding",
 	}
@@ -54,9 +58,11 @@ func getTestNode2() mesh.MeshNode {
 
 func TestAddNodeNodeExists(t *testing.T) {
 	testParams := setUpTests()
-	testParams.manager.AddNode(getTestNode())
+	node := getTestNode()
+	testParams.manager.AddNode(node)
 
-	node, err := testParams.manager.GetNode("public-endpoint:8080")
+	pubKey, _ := node.GetPublicKey()
+	node, err := testParams.manager.GetNode(pubKey.String())
 
 	if err != nil {
 		t.Error(err)
@@ -70,25 +76,28 @@ func TestAddNodeNodeExists(t *testing.T) {
 func TestAddNodeAddRoute(t *testing.T) {
 	testParams := setUpTests()
 	testNode := getTestNode()
-	testParams.manager.AddNode(testNode)
+	pubKey, _ := testNode.GetPublicKey()
-	testParams.manager.AddRoutes(testNode.GetHostEndpoint(), "fd:1c64:1d00::/48")
 
-	updatedNode, err := testParams.manager.GetNode(testNode.GetHostEndpoint())
+	_, destination, _ := net.ParseCIDR("fd:1c64:1d00::/48")
+
+	testParams.manager.AddNode(testNode)
+	testParams.manager.AddRoutes(pubKey.String(), &mesh.RouteStub{
+		Destination: destination,
+		HopCount:    0,
+		Path:        make([]string, 0),
+	})
+	updatedNode, err := testParams.manager.GetNode(pubKey.String())
 
 	if err != nil {
 		t.Error(err)
 	}
 
 	if updatedNode == nil {
-		t.Fatalf(`Node does not exist in the mesh`)
+		t.Fatalf(`node does not exist in the mesh`)
 	}
 
 	routes := updatedNode.GetRoutes()
 
-	if !slices.Contains(routes, "fd:1c64:1d00::/48") {
-		t.Fatal("Route node not added")
-	}
-
 	if len(routes) != 1 {
 		t.Fatal(`Route length mismatch`)
 	}
@@ -253,7 +262,9 @@ func TestUpdateTimeStampNodeExists(t *testing.T) {
 	node := getTestNode()
 
 	testParams.manager.AddNode(node)
-	err := testParams.manager.UpdateTimeStamp(node.GetHostEndpoint())
+	pubKey, _ := node.GetPublicKey()
+
+	err := testParams.manager.UpdateTimeStamp(pubKey.String())
 
 	if err != nil {
 		t.Error(err)
@@ -282,7 +293,13 @@ func TestSetDescriptionNodeExists(t *testing.T) {
 func TestAddRoutesNodeDoesNotExist(t *testing.T) {
 	testParams := setUpTests()
 
-	err := testParams.manager.AddRoutes("AAAAA", "fd:1c64:1d00::/48")
+	_, destination, _ := net.ParseCIDR("fd:1c64:1d00::/48")
+
+	err := testParams.manager.AddRoutes("AAAAA", &mesh.RouteStub{
+		Destination: destination,
+		HopCount:    0,
+		Path:        make([]string, 0),
+	})
 
 	if err == nil {
 		t.Error(err)
@@ -293,16 +310,11 @@ func TestCompareComparesByPublicKey(t *testing.T) {
 	node := getTestNode().(*MeshNodeCrdt)
 	node2 := getTestNode2().(*MeshNodeCrdt)
 
-	if node.Compare(node2) != -1 {
+	pubKey1, _ := node.GetPublicKey()
-		t.Fatalf(`node is alphabetically before node2`)
+	pubKey2, _ := node2.GetPublicKey()
-	}
 
-	if node2.Compare(node) != 1 {
+	if node.Compare(node2) != strings.Compare(pubKey1.String(), pubKey2.String()) {
-		t.Fatalf(`node is alphabetical;y before node2`)
+		t.Fatalf(`compare failed`)
-	}
-
-	if node.Compare(node) != 0 {
-		t.Fatalf(`node is equal to node`)
 	}
 }
 

pkg/automerge/factory.go

@@ -3,9 +3,9 @@ package automerge
 import (
 	"fmt"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 )
 
 type CrdtProviderFactory struct{}
@@ -14,13 +14,13 @@ func (f *CrdtProviderFactory) CreateMesh(params *mesh.MeshProviderFactoryParams)
 	return NewCrdtNodeManager(&NewCrdtNodeMangerParams{
 		MeshId:  params.MeshId,
 		DevName: params.DevName,
-		Conf:    *params.Conf,
+		Conf:    params.Conf,
 		Client:  params.Client,
 	})
 }
 
 type MeshNodeFactory struct {
-	Config conf.WgMeshConfiguration
+	Config conf.DaemonConfiguration
 }
 
 // Build builds the mesh node that represents the host machine to add
@@ -28,9 +28,9 @@ type MeshNodeFactory struct {
 func (f *MeshNodeFactory) Build(params *mesh.MeshNodeFactoryParams) mesh.MeshNode {
 	hostName := f.getAddress(params)
 
-	grpcEndpoint := fmt.Sprintf("%s:%s", hostName, f.Config.GrpcPort)
+	grpcEndpoint := fmt.Sprintf("%s:%d", hostName, f.Config.GrpcPort)
 
-	if f.Config.Role == conf.CLIENT_ROLE {
+	if *params.MeshConfig.Role == conf.CLIENT_ROLE {
 		grpcEndpoint = "-"
 	}
 
@@ -44,7 +44,7 @@ func (f *MeshNodeFactory) Build(params *mesh.MeshNodeFactoryParams) mesh.MeshNod
 		Routes:      make(map[string]Route),
 		Description: "",
 		Alias:       "",
-		Type:        string(f.Config.Role),
+		Type:        string(*params.MeshConfig.Role),
 	}
 }
 
@@ -54,12 +54,12 @@ func (f *MeshNodeFactory) getAddress(params *mesh.MeshNodeFactoryParams) string
 
 	if params.Endpoint != "" {
 		hostName = params.Endpoint
-	} else if len(f.Config.Endpoint) != 0 {
+	} else if len(*params.MeshConfig.Endpoint) != 0 {
-		hostName = f.Config.Endpoint
+		hostName = *params.MeshConfig.Endpoint
 	} else {
 		ipFunc := lib.GetPublicIP
 
-		if f.Config.IPDiscovery == conf.DNS_IP_DISCOVERY {
+		if *params.MeshConfig.IPDiscovery == conf.DNS_IP_DISCOVERY {
 			ipFunc = lib.GetOutboundIP
 		}
 

pkg/cmd/cmd.go

@@ -0,0 +1,33 @@
+// cmd is a package for running commands in the different operating systems implementations
+package cmd
+
+import (
+	"os/exec"
+	"strings"
+)
+
+type CmdRunner interface {
+	RunCommands(commands ...string) error
+}
+
+type UnixCmdRunner struct{}
+
+// RunCommand: runs the unix command. It splits the command into fields
+// and then runs the command accordingly
+func RunCommand(cmd string) error {
+	args := strings.Fields(cmd)
+	c := exec.Command(args[0], args[1:]...)
+	return c.Run()
+}
+
+func (l *UnixCmdRunner) RunCommands(commands ...string) error {
+	for _, cmd := range commands {
+		err := RunCommand(cmd)
+
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

pkg/conf/conf.go

@@ -4,7 +4,7 @@ package conf
 import (
 	"os"
 
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	"github.com/go-playground/validator/v10"
 	"gopkg.in/yaml.v3"
 )
 
@@ -26,176 +26,177 @@ const (
 type IPDiscovery string
 
 const (
-	PUBLIC_IP_DISCOVERY = "public"
+	PUBLIC_IP_DISCOVERY IPDiscovery = "public"
-	DNS_IP_DISCOVERY    = "dns"
+	DNS_IP_DISCOVERY    IPDiscovery = "dns"
 )
 
-type WgMeshConfiguration struct {
+// WgConfiguration contains per-mesh WireGuard configuration. Contains poitner types only so we can
+// tell if the attribute is set
+type WgConfiguration struct {
+	// IPDIscovery: how to discover your IP if not specified. Use your outgoing IP or use a public
+	// service for IPDiscoverability
+	IPDiscovery *IPDiscovery `yaml:"ipDiscovery" validate:"required,eq=public|eq=dns"`
+	// AdvertiseRoutes: specifies whether the node can act as a router routing packets between meshes
+	AdvertiseRoutes *bool `yaml:"advertiseRoute" validate:"required"`
+	// AdvertiseDefaultRoute: specifies whether or not this route should advertise a default route
+	// for all nodes to route their packets to
+	AdvertiseDefaultRoute *bool `yaml:"advertiseDefaults" validate:"required"`
+	// Endpoint contains what value should be set as the public endpoint of this node
+	Endpoint *string `yaml:"publicEndpoint"`
+	// Role specifies whether or not the user is globally accessible.
+	// If the user is globaly accessible they specify themselves as a client.
+	Role *NodeType `yaml:"role" validate:"required,eq=client|eq=peer"`
+	// KeepAliveWg configures the implementation so that we send keep alive packets to peers.
+	KeepAliveWg *int `yaml:"keepAliveWg" validate:"omitempty,gte=0"`
+	// PreUp are WireGuard commands to run before adding the WG interface
+	PreUp []string `yaml:"preUp"`
+	// PostUp are WireGuard commands to run after adding the WG interface
+	PostUp []string `yaml:"postUp"`
+	// PreDown are WireGuard commands to run prior to removing the WG interface
+	PreDown []string `yaml:"preDown"`
+	// PostDown are WireGuard command to run after removing the WG interface
+	PostDown []string `yaml:"postDown"`
+}
+
+type DaemonConfiguration struct {
 	// CertificatePath is the path to the certificate to use in mTLS
-	CertificatePath string `yaml:"certificatePath"`
+	CertificatePath string `yaml:"certificatePath" validate:"required"`
 	// PrivateKeypath is the path to the clients private key in mTLS
-	PrivateKeyPath string `yaml:"privateKeyPath"`
+	PrivateKeyPath string `yaml:"privateKeyPath" validate:"required"`
 	// CaCeritifcatePath path to the certificate of the trust certificate authority
-	CaCertificatePath string `yaml:"caCertificatePath"`
+	CaCertificatePath string `yaml:"caCertificatePath" validate:"required"`
 	// SkipCertVerification specify to skip certificate verification. Should only be used
 	// in test environments
 	SkipCertVerification bool `yaml:"skipCertVerification"`
 	// Port to run the GrpcServer on
-	GrpcPort string `yaml:"gRPCPort"`
+	GrpcPort int `yaml:"gRPCPort" validate:"required"`
-	// IPDIscovery: how to discover your IP if not specified. Use DNS server 8.8.8.8 or
+	// Timeout number of seconds without response that a node is considered unreachable by gRPC
-	// use public IP discovery library
+	Timeout int `yaml:"timeout" validate:"required,gte=1"`
-	IPDiscovery IPDiscovery `yaml:"ipDiscovery"`
-	// AdvertiseRoutes advertises other meshes if the node is in multiple meshes
-	AdvertiseRoutes bool `yaml:"advertiseRoutes"`
-	// AdvertiseDefaultRoute advertises a default route out of the mesh.
-	AdvertiseDefaultRoute bool `yaml:"advertiseDefaults"`
-	// Endpoint is the IP in which this computer is publicly reachable.
-	// usecase is when the node has multiple IP addresses
-	Endpoint string `yaml:"publicEndpoint"`
-	// ClusterSize size of the cluster to split on
-	ClusterSize int `yaml:"clusterSize"`
-	// SyncRate number of times per second to perform a sync
-	SyncRate float64 `yaml:"syncRate"`
-	// InterClusterChance proability of inter-cluster communication in a sync round
-	InterClusterChance float64 `yaml:"interClusterChance"`
-	// BranchRate number of nodes to randomly communicate with
-	BranchRate int `yaml:"branchRate"`
-	// InfectionCount number of times we sync before we can no longer catch the udpate
-	InfectionCount int `yaml:"infectionCount"`
-	// KeepAliveTime number of seconds before we update node indicating that we are still alive
-	KeepAliveTime int `yaml:"keepAliveTime"`
-	// Timeout number of seconds before we consider the node as dead
-	Timeout int `yaml:"timeout"`
-	// PruneTime number of seconds before we remove nodes that are likely to be dead
-	PruneTime int `yaml:"pruneTime"`
-	// DeadTime: number of seconds before we consider the node as dead and stop considering it
-	// when picking a random peer
-	DeadTime int `yaml:"deadTime"`
 	// Profile whether or not to include a http server that profiles the code
 	Profile bool `yaml:"profile"`
 	// StubWg whether or not to stub the WireGuard types
 	StubWg bool `yaml:"stubWg"`
-	// Role specifies whether or not the user is globally accessible.
+	// SyncTime specifies how long the minimum time should be between synchronisation
-	// If the user is globaly accessible they specify themselves as a client.
+	SyncTime int `yaml:"syncTime" validate:"required,gte=1"`
-	Role NodeType `yaml:"role"`
+	// PullTime specifies the interval between checking for configuration changes
-	// KeepAliveWg configures the implementation so that we send keep alive packets to peers.
+	PullTime int `yaml:"pullTime" validate:"gte=0"`
-	// KeepAlive can only be set if role is type client
+	// HeartBeat: number of seconds before the leader of the mesh sends an update to
-	KeepAliveWg int `yaml:"keepAliveWg"`
+	// send to every member in the mesh
+	HeartBeat int `yaml:"heartBeatTime" validate:"required,gte=1"`
+	// ClusterSize specifies how many neighbours you should synchronise with per round
+	ClusterSize int `yaml:"clusterSize" validate:"gte=1"`
+	// InterClusterChance specifies the probabilityof inter-cluster communication in a sync round
+	InterClusterChance float64 `yaml:"interClusterChance" validate:"gt=0"`
+	// BranchRate specifies the number of nodes to synchronise with when a node has
+	// new changes to send to the mesh
+	BranchRate int `yaml:"branchRate" validate:"required,gte=1"`
+	// InfectionCount: number of time to sync before an update can no longer be 'caught'
+	InfectionCount int `yaml:"infectionCount" validate:"required,gte=1"`
+	// BaseConfiguration base WireGuard configuration to use, this is used when none is provided
+	BaseConfiguration WgConfiguration `yaml:"baseConfiguration" validate:"required"`
 }
 
-func ValidateConfiguration(c *WgMeshConfiguration) error {
+// ValdiateMeshConfiguration: validates the mesh configuration
-	if len(c.CertificatePath) == 0 {
+func ValidateMeshConfiguration(conf *WgConfiguration) error {
-		return &WgMeshConfigurationError{
+	validate := validator.New(validator.WithRequiredStructEnabled())
-			msg: "A public certificate must be specified for mTLS",
+	err := validate.Struct(conf)
-		}
+
+	if conf.PostDown == nil {
+		conf.PostDown = make([]string, 0)
 	}
 
-	if len(c.PrivateKeyPath) == 0 {
+	if conf.PostUp == nil {
-		return &WgMeshConfigurationError{
+		conf.PostUp = make([]string, 0)
-			msg: "A private key must be specified for mTLS",
-		}
 	}
 
-	if len(c.CaCertificatePath) == 0 {
+	if conf.PreDown == nil {
-		return &WgMeshConfigurationError{
+		conf.PreDown = make([]string, 0)
-			msg: "A ca certificate must be specified for mTLS",
-		}
 	}
 
-	if len(c.GrpcPort) == 0 {
+	if conf.PreUp == nil {
-		return &WgMeshConfigurationError{
+		conf.PreUp = make([]string, 0)
-			msg: "A grpc port must be specified",
-		}
 	}
 
-	if c.ClusterSize <= 0 {
+	return err
-		return &WgMeshConfigurationError{
-			msg: "A cluster size must not be 0",
-		}
-	}
-
-	if c.SyncRate <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "SyncRate cannot be negative",
-		}
-	}
-
-	if c.BranchRate <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "Branch rate cannot be negative",
-		}
-	}
-
-	if c.InfectionCount <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "Infection count cannot be less than 1",
-		}
-	}
-
-	if c.KeepAliveTime <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "KeepAliveRate cannot be less than negative",
-		}
-	}
-
-	if c.InterClusterChance <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "Intercluster chance cannot be less than 0",
-		}
-	}
-
-	if c.Timeout < 1 {
-		return &WgMeshConfigurationError{
-			msg: "Timeout should be greater than or equal to 1",
-		}
-	}
-
-	if c.PruneTime < 1 {
-		return &WgMeshConfigurationError{
-			msg: "Prune time cannot be < 1",
-		}
-	}
-
-	if c.DeadTime < 1 {
-		return &WgMeshConfigurationError{
-			msg: "Dead time cannot be < 1",
-		}
-	}
-
-	if c.KeepAliveTime <= 1 {
-		return &WgMeshConfigurationError{
-			msg: "Prune time cannot be less than keep alive time",
-		}
-	}
-
-	if c.Role == "" {
-		c.Role = PEER_ROLE
-	}
-
-	if c.IPDiscovery == "" {
-		c.IPDiscovery = PUBLIC_IP_DISCOVERY
-	}
-
-	return nil
 }
 
-// ParseConfiguration parses the mesh configuration
+// ValidateDaemonConfiguration: validates the dameon configuration that is used.
-func ParseConfiguration(filePath string) (*WgMeshConfiguration, error) {
+func ValidateDaemonConfiguration(c *DaemonConfiguration) error {
-	var conf WgMeshConfiguration
+	validate := validator.New(validator.WithRequiredStructEnabled())
+	err := validate.Struct(c)
+	return err
+}
+
+// ParseDaemonConfiguration parses the mesh configuration and validates the configuration
+func ParseDaemonConfiguration(filePath string) (*DaemonConfiguration, error) {
+	var conf DaemonConfiguration
 
 	yamlBytes, err := os.ReadFile(filePath)
 
 	if err != nil {
-		logging.Log.WriteErrorf("Read file error: %s\n", err.Error())
 		return nil, err
 	}
 
 	err = yaml.Unmarshal(yamlBytes, &conf)
 
 	if err != nil {
-		logging.Log.WriteErrorf("Unmarshal error: %s\n", err.Error())
 		return nil, err
 	}
 
-	return &conf, ValidateConfiguration(&conf)
+	if conf.BaseConfiguration.KeepAliveWg == nil {
+		var keepAlive int = 0
+		conf.BaseConfiguration.KeepAliveWg = &keepAlive
+	}
+
+	return &conf, ValidateDaemonConfiguration(&conf)
+}
+
+// MergemeshConfiguration: merges the configuration in precedence where the last
+// element in the list takes the most and the first takes the least
+func MergeMeshConfiguration(cfgs ...WgConfiguration) (WgConfiguration, error) {
+	var result WgConfiguration
+
+	for _, cfg := range cfgs {
+		if cfg.AdvertiseDefaultRoute != nil {
+			result.AdvertiseDefaultRoute = cfg.AdvertiseDefaultRoute
+		}
+
+		if cfg.AdvertiseRoutes != nil {
+			result.AdvertiseRoutes = cfg.AdvertiseRoutes
+		}
+
+		if cfg.Endpoint != nil {
+			result.Endpoint = cfg.Endpoint
+		}
+
+		if cfg.IPDiscovery != nil {
+			result.IPDiscovery = cfg.IPDiscovery
+		}
+
+		if cfg.KeepAliveWg != nil {
+			result.KeepAliveWg = cfg.KeepAliveWg
+		}
+
+		if cfg.PostDown != nil {
+			result.PostDown = cfg.PostDown
+		}
+
+		if cfg.PostUp != nil {
+			result.PostUp = cfg.PostUp
+		}
+
+		if cfg.PreDown != nil {
+			result.PreDown = cfg.PreDown
+		}
+
+		if cfg.PreUp != nil {
+			result.PreUp = cfg.PreUp
+		}
+
+		if cfg.Role != nil {
+			result.Role = cfg.Role
+		}
+	}
+
+	return result, ValidateMeshConfiguration(&result)
 }

pkg/conf/conf_test.go

@@ -1,24 +1,41 @@
 package conf
 
-import "testing"
+import (
+	"testing"
+)
 
-func getExampleConfiguration() *WgMeshConfiguration {
+func getExampleConfiguration() *DaemonConfiguration {
-	return &WgMeshConfiguration{
+	discovery := PUBLIC_IP_DISCOVERY
-		CertificatePath:      "./cert/cert.pem",
+	advertiseRoutes := false
-		PrivateKeyPath:       "./cert/key.pem",
+	advertiseDefaultRoute := false
-		CaCertificatePath:    "./cert/ca.pems",
+	endpoint := "abc.com:123"
+	nodeType := CLIENT_ROLE
+	keepAliveWg := 0
+
+	return &DaemonConfiguration{
+		CertificatePath:      "../../../cert/cert.pem",
+		PrivateKeyPath:       "../../../cert/priv.pem",
+		CaCertificatePath:    "../../../cert/cacert.pem",
 		SkipCertVerification: true,
-		GrpcPort:             "8080",
+		GrpcPort:             25,
-		AdvertiseRoutes:      true,
+		Timeout:              5,
-		Endpoint:             "localhost",
+		Profile:              false,
-		ClusterSize:          1,
+		StubWg:               false,
-		SyncRate:             1,
+		SyncTime:             2,
-		InterClusterChance:   0.1,
+		HeartBeat:            2,
-		BranchRate:           2,
+		ClusterSize:          64,
-		KeepAliveTime:        4,
+		InterClusterChance:   0.15,
-		InfectionCount:       1,
+		BranchRate:           3,
-		Timeout:              2,
+		PullTime:             0,
-		PruneTime:            20,
+		InfectionCount:       2,
+		BaseConfiguration: WgConfiguration{
+			IPDiscovery:           &discovery,
+			AdvertiseRoutes:       &advertiseRoutes,
+			AdvertiseDefaultRoute: &advertiseDefaultRoute,
+			Endpoint:              &endpoint,
+			Role:                  &nodeType,
+			KeepAliveWg:           &keepAliveWg,
+		},
 	}
 }
 
@@ -26,7 +43,7 @@ func TestConfigurationCertificatePathEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.CertificatePath = ""
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -37,7 +54,7 @@ func TestConfigurationPrivateKeyPathEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.PrivateKeyPath = ""
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -48,7 +65,7 @@ func TestConfigurationCaCertificatePathEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.CaCertificatePath = ""
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -57,9 +74,110 @@ func TestConfigurationCaCertificatePathEmpty(t *testing.T) {
 
 func TestConfigurationGrpcPortEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.GrpcPort = ""
+	conf.GrpcPort = 0
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestIPDiscoveryNotSet(t *testing.T) {
+	conf := getExampleConfiguration()
+	ipDiscovery := IPDiscovery("djdsjdskd")
+	conf.BaseConfiguration.IPDiscovery = &ipDiscovery
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestAdvertiseRoutesNotSet(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BaseConfiguration.AdvertiseRoutes = nil
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestAdvertiseDefaultRouteNotSet(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BaseConfiguration.AdvertiseDefaultRoute = nil
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestKeepAliveWgNegative(t *testing.T) {
+	conf := getExampleConfiguration()
+	keepAliveWg := -1
+	conf.BaseConfiguration.KeepAliveWg = &keepAliveWg
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestRoleTypeNotValid(t *testing.T) {
+	conf := getExampleConfiguration()
+	role := NodeType("bruhhh")
+	conf.BaseConfiguration.Role = &role
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestRoleTypeNotSpecified(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BaseConfiguration.Role = nil
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`invalid role type`)
+	}
+}
+
+func TestBranchRateZero(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BranchRate = 0
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestsyncTimeZero(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.SyncTime = 0
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestKeepAliveTimeZero(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.HeartBeat = 0
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -69,97 +187,51 @@ func TestConfigurationGrpcPortEmpty(t *testing.T) {
 func TestClusterSizeZero(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.ClusterSize = 0
-
+	err := ValidateDaemonConfiguration(conf)
-	err := ValidateConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
 	}
 }
 
-func SyncRateZero(t *testing.T) {
+func TestInterClusterChanceZero(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.SyncRate = 0
+	conf.InterClusterChance = 0
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
 	}
 }
 
-func BranchRateZero(t *testing.T) {
+func TestInfectionCountOne(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.BranchRate = 0
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatal(`error should be thrown`)
-	}
-}
-
-func InfectionCountZero(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.InfectionCount = 0
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
 	}
 }
 
-func KeepAliveRateZero(t *testing.T) {
+func TestPullTimeNegative(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.KeepAliveTime = 0
+	conf.PullTime = -1
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
 	}
 }
 
-func TestValidCOnfiguration(t *testing.T) {
+func TestValidConfiguration(t *testing.T) {
 	conf := getExampleConfiguration()
-
+	err := ValidateDaemonConfiguration(conf)
-	err := ValidateConfiguration(conf)
 
 	if err != nil {
 		t.Error(err)
 	}
 }
-
-func TestTimeout(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.Timeout = 0
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatal(`error should be thrown`)
-	}
-}
-
-func TestPruneTimeZero(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.PruneTime = 0
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatalf(`Error should be thrown`)
-	}
-}
-
-func TestPruneTimeLessThanKeepAliveTime(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.PruneTime = 1
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatalf(`Error should be thrown`)
-	}
-}

pkg/conn/cluster.go

@@ -23,9 +23,10 @@ func binarySearch(global []string, selfId string, groupSize int) (int, int) {
 
 	lower := 0
 	higher := len(global) - 1
-	mid := (lower + higher) / 2
 
 	for (higher+1)-lower > groupSize {
+		mid := (lower + higher) / 2
+
 		if global[mid] < selfId {
 			lower = mid + 1
 		} else if global[mid] > selfId {
@@ -33,8 +34,6 @@ func binarySearch(global []string, selfId string, groupSize int) (int, int) {
 		} else {
 			break
 		}
-
-		mid = (lower + higher) / 2
 	}
 
 	return lower, int(math.Min(float64(lower+groupSize), float64(len(global))))
@@ -55,12 +54,14 @@ func (i *ConnClusterImpl) GetNeighbours(global []string, selfId string) []string
 // you will communicate with a random node that is not in your cluster.
 func (i *ConnClusterImpl) GetInterCluster(global []string, selfId string) string {
 	// Doesn't matter if not in it. Get index of where the node 'should' be
+	slices.Sort(global)
+
 	index, _ := binarySearch(global, selfId, 1)
-	numClusters := math.Ceil(float64(len(global)) / float64(i.clusterSize))
 
-	randomCluster := rand.Intn(int(numClusters)-1) + 1
+	randomCluster := rand.Intn(2) + 1
 
-	neighbourIndex := (index + randomCluster) % len(global)
+	// cluster is considered a heap
+	neighbourIndex := (2*index + (randomCluster * i.clusterSize)) % len(global)
 	return global[neighbourIndex]
 }
 

pkg/conn/connection.go

@@ -6,7 +6,7 @@ import (
 	"crypto/tls"
 	"errors"
 
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 )

pkg/conn/connectionmanager.go

@@ -7,7 +7,7 @@ import (
 	"os"
 	"sync"
 
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
 )
 
 // ConnectionManager defines an interface for maintaining peer connections
@@ -19,9 +19,11 @@ type ConnectionManager interface {
 	// If the endpoint does not exist then add the connection. Returns an error
 	// if something went wrong
 	GetConnection(endPoint string) (PeerConnection, error)
-	// HasConnections returns true if a client has already registered at the givne
+	// HasConnections returns true if a peer has already registered at the given
 	// endpoint or false otherwise.
 	HasConnection(endPoint string) bool
+	// Removes a connection if it exists
+	RemoveConnection(endPoint string) error
 	// Goes through all the connections and closes eachone
 	Close() error
 }
@@ -32,7 +34,6 @@ type ConnectionManagerImpl struct {
 	// clientConnections maps an endpoint to a connection
 	conLoc            sync.RWMutex
 	clientConnections map[string]PeerConnection
-	serverConfig      *tls.Config
 	clientConfig      *tls.Config
 	connFactory       PeerConnectionFactory
 }
@@ -61,37 +62,25 @@ func NewConnectionManager(params *NewConnectionManagerParams) (ConnectionManager
 		return nil, err
 	}
 
-	serverAuth := tls.RequireAndVerifyClientCert
-
-	if params.SkipCertVerification {
-		serverAuth = tls.RequireAnyClientCert
-	}
-
 	certPool := x509.NewCertPool()
 
-	if !params.SkipCertVerification {
+	if params.CaCert == "" {
-
+		return nil, errors.New("CA Cert is not specified")
-		if params.CaCert == "" {
-			return nil, errors.New("CA Cert is not specified")
-		}
-
-		caCert, err := os.ReadFile(params.CaCert)
-
-		if err != nil {
-			return nil, err
-		}
-
-		certPool.AppendCertsFromPEM(caCert)
 	}
 
-	serverConfig := &tls.Config{
+	caCert, err := os.ReadFile(params.CaCert)
-		ClientAuth:   serverAuth,
+
-		Certificates: []tls.Certificate{cert},
+	if err != nil {
+		return nil, err
+	}
+
+	if ok := certPool.AppendCertsFromPEM(caCert); !ok {
+		return nil, errors.New("could not parse PEM")
 	}
 
 	clientConfig := &tls.Config{
-		Certificates:       []tls.Certificate{cert},
 		InsecureSkipVerify: params.SkipCertVerification,
+		Certificates:       []tls.Certificate{cert},
 		RootCAs:            certPool,
 	}
 
@@ -99,7 +88,6 @@ func NewConnectionManager(params *NewConnectionManagerParams) (ConnectionManager
 	connMgr := ConnectionManagerImpl{
 		sync.RWMutex{},
 		connections,
-		serverConfig,
 		clientConfig,
 		params.ConnFactory,
 	}
@@ -150,6 +138,15 @@ func (m *ConnectionManagerImpl) HasConnection(endPoint string) bool {
 	return exists
 }
 
+// RemoveConnection removes the given connection if it exists
+func (m *ConnectionManagerImpl) RemoveConnection(endPoint string) error {
+	m.conLoc.Lock()
+	err := m.clientConnections[endPoint].Close()
+
+	delete(m.clientConnections, endPoint)
+	m.conLoc.Unlock()
+	return err
+}
 func (m *ConnectionManagerImpl) Close() error {
 	for _, conn := range m.clientConnections {
 		if err := conn.Close(); err != nil {

pkg/conn/connectionmanager_test.go

@@ -53,13 +53,13 @@ func TestNewConnectionManagerCACertDoesNotExistAndVerify(t *testing.T) {
 
 func TestNewConnectionManagerCACertDoesNotExistAndNotVerify(t *testing.T) {
 	params := getConnectionManagerParams()
-	params.CaCert = ""
+	params.CaCert = "./cert/sdjsdjsdjk.pem"
 	params.SkipCertVerification = true
 
 	_, err := NewConnectionManager(params)
 
-	if err != nil {
+	if err == nil {
-		t.Fatal(`an error should not be thrown`)
+		t.Fatalf(`an error should be thrown`)
 	}
 }
 

pkg/conn/connectionserver.go

@@ -2,32 +2,34 @@ package conn
 
 import (
 	"crypto/tls"
+	"crypto/x509"
+	"errors"
+	"fmt"
 	"net"
+	"os"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/rpc"
+	"github.com/tim-beatham/smegmesh/pkg/rpc"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 )
 
 // ConnectionServer manages gRPC server peer connections
 type ConnectionServer struct {
-	// tlsConfiguration of the server
-	serverConfig *tls.Config
 	// server an instance of the grpc server
-	server *grpc.Server // the authentication service to authenticate nodes
+	server *grpc.Server
 	// the ctrl service to manage node
 	ctrlProvider rpc.MeshCtrlServerServer
 	// the sync service to synchronise nodes
 	syncProvider rpc.SyncServiceServer
-	Conf         *conf.WgMeshConfiguration
+	Conf         *conf.DaemonConfiguration
 	listener     net.Listener
 }
 
 // NewConnectionServerParams contains params for creating a new connection server
 type NewConnectionServerParams struct {
-	Conf         *conf.WgMeshConfiguration
+	Conf         *conf.DaemonConfiguration
 	CtrlProvider rpc.MeshCtrlServerServer
 	SyncProvider rpc.SyncServiceServer
 }
@@ -47,9 +49,26 @@ func NewConnectionServer(params *NewConnectionServerParams) (*ConnectionServer,
 		serverAuth = tls.RequireAnyClientCert
 	}
 
+	certPool := x509.NewCertPool()
+
+	if params.Conf.CaCertificatePath == "" {
+		return nil, errors.New("CA Cert is not specified")
+	}
+
+	caCert, err := os.ReadFile(params.Conf.CaCertificatePath)
+
+	if err != nil {
+		return nil, err
+	}
+
+	if ok := certPool.AppendCertsFromPEM(caCert); !ok {
+		return nil, errors.New("could not parse PEM")
+	}
+
 	serverConfig := &tls.Config{
 		ClientAuth:   serverAuth,
 		Certificates: []tls.Certificate{cert},
+		ClientCAs:    certPool,
 	}
 
 	server := grpc.NewServer(
@@ -60,7 +79,6 @@ func NewConnectionServer(params *NewConnectionServerParams) (*ConnectionServer,
 	syncProvider := params.SyncProvider
 
 	connServer := ConnectionServer{
-		serverConfig: serverConfig,
 		server:       server,
 		ctrlProvider: ctrlProvider,
 		syncProvider: syncProvider,
@@ -73,13 +91,12 @@ func NewConnectionServer(params *NewConnectionServerParams) (*ConnectionServer,
 // Listen for incoming requests. Returns an error if something went wrong.
 func (s *ConnectionServer) Listen() error {
 	rpc.RegisterMeshCtrlServerServer(s.server, s.ctrlProvider)
-
 	rpc.RegisterSyncServiceServer(s.server, s.syncProvider)
 
-	lis, err := net.Listen("tcp", ":"+s.Conf.GrpcPort)
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", s.Conf.GrpcPort))
 	s.listener = lis
 
-	logging.Log.WriteInfof("GRPC listening on %s\n", s.Conf.GrpcPort)
+	logging.Log.WriteInfof("GRPC listening on %d\n", s.Conf.GrpcPort)
 
 	if err != nil {
 		logging.Log.WriteErrorf(err.Error())

pkg/conn/stub.go

@@ -16,6 +16,11 @@ func (s *ConnectionManagerStub) AddConnection(endPoint string) (PeerConnection,
 	return mock, nil
 }
 
+func (s *ConnectionManagerStub) RemoveConnection(endPoint string) error {
+	delete(s.Endpoints, endPoint)
+	return nil
+}
+
 func (s *ConnectionManagerStub) GetConnection(endPoint string) (PeerConnection, error) {
 	endpoint, ok := s.Endpoints[endPoint]
 

pkg/conn/window.go

@@ -1,84 +0,0 @@
-package conn
-
-import (
-	"errors"
-	"slices"
-
-	"github.com/tim-beatham/wgmesh/pkg/lib"
-)
-
-// ConnectionWindow maintains a sliding window of connections between users
-type ConnectionWindow interface {
-	// GetWindow is a list of connections to choose from
-	GetWindow() []string
-	// SlideConnection removes a node from the window and adds a random node
-	// not already in the window. connList represents the list of possible
-	// connections to choose from
-	SlideConnection(connList []string) error
-	// PushConneciton is used when connection list less than window size.
-	PutConnection(conn []string) error
-	// IsFull returns true if the window is full. In which case we must slide the window
-	IsFull() bool
-}
-
-type ConnectionWindowImpl struct {
-	window     []string
-	windowSize int
-}
-
-// GetWindow gets the current list of active connections in
-// the window
-func (c *ConnectionWindowImpl) GetWindow() []string {
-	return c.window
-}
-
-// SlideConnection slides the connection window by one shuffling items
-// in the windows
-func (c *ConnectionWindowImpl) SlideConnection(connList []string) error {
-	// If the number of peer connections is less than the length of the window
-	// then exit early. Can't slide the window it should contain all nodes!
-	if len(c.window) < c.windowSize {
-		return nil
-	}
-
-	filter := func(node string) bool {
-		return !slices.Contains(c.window, node)
-	}
-
-	pool := lib.Filter(connList, filter)
-	newNode := lib.RandomSubsetOfLength(pool, 1)
-
-	if len(newNode) == 0 {
-		return errors.New("could not slide window")
-	}
-
-	for i := len(c.window) - 1; i >= 1; i-- {
-		c.window[i] = c.window[i-1]
-	}
-
-	c.window[0] = newNode[0]
-	return nil
-}
-
-// PutConnection put random connections in the connection
-func (c *ConnectionWindowImpl) PutConnection(connList []string) error {
-	if len(c.window) >= c.windowSize {
-		return errors.New("cannot place connection. Window full need to slide")
-	}
-
-	c.window = lib.RandomSubsetOfLength(connList, c.windowSize)
-	return nil
-}
-
-func (c *ConnectionWindowImpl) IsFull() bool {
-	return len(c.window) >= c.windowSize
-}
-
-func NewConnectionWindow(windowLength int) ConnectionWindow {
-	window := &ConnectionWindowImpl{
-		window:     make([]string, 0),
-		windowSize: windowLength,
-	}
-
-	return window
-}

pkg/crdt/datastore.go

@@ -9,10 +9,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
@@ -154,12 +154,13 @@ func (m *MeshSnapshot) GetNodes() map[string]mesh.MeshNode {
 }
 
 type TwoPhaseStoreMeshManager struct {
-	MeshId    string
+	MeshId     string
-	IfName    string
+	IfName     string
-	Client    *wgctrl.Client
+	Client     *wgctrl.Client
-	LastClock uint64
+	LastClock  uint64
-	conf      *conf.WgMeshConfiguration
+	Conf       *conf.WgConfiguration
-	store     *TwoPhaseMap[string, MeshNode]
+	DaemonConf *conf.DaemonConfiguration
+	store      *TwoPhaseMap[string, MeshNode]
 }
 
 // AddNode() adds a node to the mesh
@@ -203,7 +204,6 @@ func (m *TwoPhaseStoreMeshManager) Save() []byte {
 
 	var buf bytes.Buffer
 	enc := gob.NewEncoder(&buf)
-
 	err := enc.Encode(*snapshot)
 
 	if err != nil {
@@ -264,7 +264,7 @@ func (m *TwoPhaseStoreMeshManager) UpdateTimeStamp(nodeId string) error {
 
 	peerToUpdate := peers[0]
 
-	if uint64(time.Now().Unix())-m.store.Clock.GetTimestamp(peerToUpdate) > 3*uint64(m.conf.KeepAliveTime) {
+	if uint64(time.Now().Unix())-m.store.Clock.GetTimestamp(peerToUpdate) > 3*uint64(m.DaemonConf.HeartBeat) {
 		m.store.Mark(peerToUpdate)
 
 		if len(peers) < 2 {
@@ -320,7 +320,7 @@ func (m *TwoPhaseStoreMeshManager) AddRoutes(nodeId string, routes ...mesh.Route
 }
 
 // DeleteRoutes: deletes the routes from the node
-func (m *TwoPhaseStoreMeshManager) RemoveRoutes(nodeId string, routes ...string) error {
+func (m *TwoPhaseStoreMeshManager) RemoveRoutes(nodeId string, routes ...mesh.Route) error {
 	if !m.store.Contains(nodeId) {
 		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
 	}
@@ -331,8 +331,15 @@ func (m *TwoPhaseStoreMeshManager) RemoveRoutes(nodeId string, routes ...string)
 
 	node := m.store.Get(nodeId)
 
+	changes := false
+
 	for _, route := range routes {
-		delete(node.Routes, route)
+		changes = true
+		delete(node.Routes, route.GetDestination().String())
+	}
+
+	if changes {
+		m.store.Put(nodeId, node)
 	}
 
 	return nil
@@ -378,7 +385,7 @@ func (m *TwoPhaseStoreMeshManager) SetAlias(nodeId string, alias string) error {
 	}
 
 	node := m.store.Get(nodeId)
-	node.Description = alias
+	node.Alias = alias
 
 	m.store.Put(nodeId, node)
 	return nil
@@ -403,6 +410,11 @@ func (m *TwoPhaseStoreMeshManager) RemoveService(nodeId string, key string) erro
 	}
 
 	node := m.store.Get(nodeId)
+
+	if _, ok := node.Services[key]; !ok {
+		return fmt.Errorf("datastore: node does not contain service %s", key)
+	}
+
 	delete(node.Services, key)
 	m.store.Put(nodeId, node)
 	return nil
@@ -499,3 +511,8 @@ func (m *TwoPhaseStoreMeshManager) RemoveNode(nodeId string) error {
 	m.store.Remove(nodeId)
 	return nil
 }
+
+// GetConfiguration implements mesh.MeshProvider.
+func (m *TwoPhaseStoreMeshManager) GetConfiguration() *conf.WgConfiguration {
+	return m.Conf
+}

pkg/crdt/datastore_test.go

@@ -0,0 +1,442 @@
+package crdt
+
+import (
+	"net"
+	"slices"
+	"testing"
+	"time"
+
+	"github.com/tim-beatham/smegmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+)
+
+type TestParams struct {
+	manager   mesh.MeshProvider
+	publicKey *wgtypes.Key
+}
+
+func setUpTests() *TestParams {
+	advertiseRoutes := false
+	advertiseDefaultRoute := false
+	role := conf.PEER_ROLE
+	discovery := conf.DNS_IP_DISCOVERY
+
+	factory := &TwoPhaseMapFactory{
+		Config: &conf.DaemonConfiguration{
+			CertificatePath:      "/somecertificatepath",
+			PrivateKeyPath:       "/someprivatekeypath",
+			CaCertificatePath:    "/somecacertificatepath",
+			SkipCertVerification: true,
+			GrpcPort:             0,
+			Timeout:              20,
+			Profile:              false,
+			SyncTime:             2,
+			HeartBeat:            10,
+			ClusterSize:          32,
+			InterClusterChance:   0.15,
+			BranchRate:           3,
+			InfectionCount:       3,
+			BaseConfiguration: conf.WgConfiguration{
+				IPDiscovery:           &discovery,
+				AdvertiseRoutes:       &advertiseRoutes,
+				AdvertiseDefaultRoute: &advertiseDefaultRoute,
+				Role:                  &role,
+			},
+		},
+	}
+
+	key, _ := wgtypes.GeneratePrivateKey()
+
+	mesh, _ := factory.CreateMesh(&mesh.MeshProviderFactoryParams{
+		DevName:    "bob",
+		MeshId:     "meshid123",
+		Client:     nil,
+		Conf:       &factory.Config.BaseConfiguration,
+		DaemonConf: factory.Config,
+		NodeID:     "bob",
+	})
+
+	publicKey := key.PublicKey()
+
+	return &TestParams{
+		manager:   mesh,
+		publicKey: &publicKey,
+	}
+}
+
+func getOurNode(testParams *TestParams) *MeshNode {
+	return &MeshNode{
+		HostEndpoint: "public-endpoint:8080",
+		WgEndpoint:   "public-endpoint:21906",
+		WgHost:       "3e9a:1fb3:5e50:8173:9690:f917:b1ab:d218/128",
+		PublicKey:    testParams.publicKey.String(),
+		Timestamp:    time.Now().Unix(),
+		Description:  "A node that we are adding",
+		Type:         "peer",
+	}
+}
+
+func getRandomNode() *MeshNode {
+	key, _ := wgtypes.GeneratePrivateKey()
+	publicKey := key.PublicKey()
+
+	return &MeshNode{
+		HostEndpoint: "public-endpoint:8081",
+		WgEndpoint:   "public-endpoint:21907",
+		WgHost:       "3e9a:1fb3:5e50:8173:9690:f917:b1ab:d234/128",
+		PublicKey:    publicKey.String(),
+		Timestamp:    time.Now().Unix(),
+		Description:  "A node that we are adding",
+		Type:         "peer",
+	}
+}
+
+func TestAddNodeAddsTheNodesToTheStore(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+
+	if !testParams.manager.NodeExists(testParams.publicKey.String()) {
+		t.Fatalf(`node %s should have been added to the mesh network`, testParams.publicKey.String())
+	}
+}
+
+func TestAddNodeNodeAlreadyExistsReplacesTheNode(t *testing.T) {
+	TestAddNodeAddsTheNodesToTheStore(t)
+	TestAddNodeAddsTheNodesToTheStore(t)
+}
+
+func TestSaveThenLoad(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+	testParams.manager.AddNode(getRandomNode())
+	testParams.manager.AddNode(getRandomNode())
+	testParams.manager.AddNode(getRandomNode())
+	testParams.manager.AddNode(getRandomNode())
+
+	bytes := testParams.manager.Save()
+
+	if err := testParams.manager.Load(bytes); err != nil {
+		t.Fatalf(`error caused by loading datastore: %s`, err.Error())
+	}
+}
+
+func TestHasChangesReturnsTrueWhenThereAreChangesInTheMesh(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+	testParams.manager.AddNode(getRandomNode())
+	testParams.manager.AddNode(getRandomNode())
+	testParams.manager.AddNode(getRandomNode())
+
+	if !testParams.manager.HasChanges() {
+		t.Fatalf(`mesh has change but HasChanges returned false`)
+	}
+
+	testParams.manager.SetDescription(testParams.publicKey.String(), "Bob marley")
+
+	if !testParams.manager.HasChanges() {
+		t.Fatalf(`mesh has change but HasChanges returned false`)
+	}
+
+	testParams.manager.SaveChanges()
+}
+
+func TestHasChangesWhenThereAreNoChangesInTheMeshReturnsFalse(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+	testParams.manager.AddNode(getRandomNode())
+	testParams.manager.AddNode(getRandomNode())
+	testParams.manager.AddNode(getRandomNode())
+
+	testParams.manager.SaveChanges()
+
+	if testParams.manager.HasChanges() {
+		t.Fatalf(`mesh has no changes but HasChanges was true`)
+	}
+
+	testParams.manager.SetDescription(testParams.publicKey.String(), "Bob marley")
+
+	testParams.manager.SaveChanges()
+
+	if testParams.manager.HasChanges() {
+		t.Fatalf(`mesh has no changes but HasChanges was true`)
+	}
+}
+
+func TestUpdateTimeStampUpdatesTheTimeStampOfTheGivenNodeIfItIsTheLeader(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+
+	before, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	time.Sleep(1 * time.Second)
+
+	testParams.manager.UpdateTimeStamp(testParams.publicKey.String())
+
+	after, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	if before.GetTimeStamp() >= after.GetTimeStamp() {
+		t.Fatalf(`before should not be after after`)
+	}
+}
+
+func TestUpdateTimeStampUpdatesTheTimeStampOfTheGivenNodeIfItIsNotLeader(t *testing.T) {
+	testParams := setUpTests()
+	testParams.manager.AddNode(getOurNode(testParams))
+
+	newNode := getRandomNode()
+	newNode.PublicKey = "aaaaaaaaaa"
+
+	testParams.manager.AddNode(newNode)
+
+	before, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	time.Sleep(1 * time.Second)
+
+	after, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	if before.GetTimeStamp() != after.GetTimeStamp() {
+		t.Fatalf(`before and after should be the same`)
+	}
+}
+
+func TestAddRoutesAddsARouteToTheGivenMesh(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+
+	_, destination, _ := net.ParseCIDR("0353:1da7:7f33:acc0:7a3f:6e55:912b:bc1f/64")
+
+	testParams.manager.AddRoutes(testParams.publicKey.String(), &mesh.RouteStub{
+		Destination: destination,
+		HopCount:    0,
+		Path:        make([]string, 0),
+	})
+
+	node, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	containsDestination := lib.Contains(node.GetRoutes(), func(r mesh.Route) bool {
+		return r.GetDestination().Contains(destination.IP)
+	})
+
+	if !containsDestination {
+		t.Fatalf(`route has not been added to the node`)
+	}
+}
+
+func TestRemoveRoutesWithdrawsRoutesFromTheMesh(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+
+	_, destination, _ := net.ParseCIDR("0353:1da7:7f33:acc0:7a3f:6e55:912b:bc1f/64")
+	route := &mesh.RouteStub{
+		Destination: destination,
+		HopCount:    0,
+		Path:        make([]string, 0),
+	}
+
+	testParams.manager.AddRoutes(testParams.publicKey.String(), route)
+	testParams.manager.RemoveRoutes(testParams.publicKey.String(), route)
+
+	node, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	containsDestination := lib.Contains(node.GetRoutes(), func(r mesh.Route) bool {
+		return r.GetDestination().Contains(destination.IP)
+	})
+
+	if containsDestination {
+		t.Fatalf(`route has not been removed from the node`)
+	}
+}
+
+func TestGetNodeGetsTheNodeWhenItExists(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+	node, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	if node == nil {
+		t.Fatalf(`node not found returned nil`)
+	}
+}
+
+func TestGetNodeReturnsNilWhenItDoesNotExist(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+	testParams.manager.RemoveNode(testParams.publicKey.String())
+
+	node, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	if node != nil {
+		t.Fatalf(`node found but should be nil`)
+	}
+}
+
+func TestNodeExistsReturnsFalseWhenNotExists(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+	testParams.manager.RemoveNode(testParams.publicKey.String())
+
+	if testParams.manager.NodeExists(testParams.publicKey.String()) {
+		t.Fatalf(`nodeexists should be false`)
+	}
+}
+
+func TestSetDescriptionReturnsErrorWhenNodeDoesNotExist(t *testing.T) {
+	testParams := setUpTests()
+
+	err := testParams.manager.SetDescription("djdjdj", "djdsjkd")
+
+	if err == nil {
+		t.Fatalf(`error should be thrown`)
+	}
+}
+
+func TestSetDescriptionSetsTheDescription(t *testing.T) {
+	testParams := setUpTests()
+	descriptionToSet := "djdsjkd"
+	testParams.manager.AddNode(getOurNode(testParams))
+	err := testParams.manager.SetDescription(testParams.publicKey.String(), descriptionToSet)
+
+	if err != nil {
+		t.Fatalf(`error %s thrown`, err.Error())
+	}
+
+	node, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	description := node.GetDescription()
+
+	if description != descriptionToSet {
+		t.Fatalf(`description was %s should be %s`, description, descriptionToSet)
+	}
+}
+
+func TestAliasNodeDoesNotExist(t *testing.T) {
+	testParams := setUpTests()
+
+	err := testParams.manager.SetAlias("djdjdj", "djdsjkd")
+
+	if err == nil {
+		t.Fatalf(`error should be thrown`)
+	}
+}
+
+func TestSetAliasSetsAlias(t *testing.T) {
+	testParams := setUpTests()
+	aliasToSet := "djdsjkd"
+	testParams.manager.AddNode(getOurNode(testParams))
+	err := testParams.manager.SetAlias(testParams.publicKey.String(), aliasToSet)
+
+	if err != nil {
+		t.Fatalf(`error %s thrown`, err.Error())
+	}
+
+	node, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	alias := node.GetAlias()
+
+	if alias != aliasToSet {
+		t.Fatalf(`description was %s should be %s`, alias, aliasToSet)
+	}
+}
+
+func TestAddServiceNodeDoesNotExist(t *testing.T) {
+	testParams := setUpTests()
+
+	err := testParams.manager.AddService("djdjdj", "djdsjkd", "sddsds")
+
+	if err == nil {
+		t.Fatalf(`error should be thrown`)
+	}
+}
+
+func TestAddServiceNodeExists(t *testing.T) {
+	testParams := setUpTests()
+	service := "djdsjkd"
+	serviceValue := "dsdsds"
+	testParams.manager.AddNode(getOurNode(testParams))
+	err := testParams.manager.AddService(testParams.publicKey.String(), service, serviceValue)
+
+	if err != nil {
+		t.Fatalf(`error %s thrown`, err.Error())
+	}
+
+	node, _ := testParams.manager.GetNode(testParams.publicKey.String())
+
+	services := node.GetServices()
+
+	if value, ok := services[service]; !ok || value != serviceValue {
+		t.Fatalf(`service not added to the data store`)
+	}
+}
+
+func TestRemoveServiceDoesNotExists(t *testing.T) {
+	testParams := setUpTests()
+
+	err := testParams.manager.RemoveService("djdjdj", "dsdssd")
+
+	if err == nil {
+		t.Fatalf(`error should be thrown`)
+	}
+}
+
+func TestRemoveServiceServiceDoesNotExist(t *testing.T) {
+	testParams := setUpTests()
+
+	testParams.manager.AddNode(getOurNode(testParams))
+
+	if err := testParams.manager.RemoveService(testParams.publicKey.String(), "dhsdh"); err == nil {
+		t.Fatalf(`error should be thrown`)
+	}
+}
+
+func TestGetPeersReturnsAllPeersInTheMesh(t *testing.T) {
+	testParams := setUpTests()
+
+	peer1 := getRandomNode()
+	peer2 := getRandomNode()
+	client := getRandomNode()
+	client.Type = "client"
+
+	testParams.manager.AddNode(peer1)
+	testParams.manager.AddNode(peer2)
+	testParams.manager.AddNode(client)
+
+	peers := testParams.manager.GetPeers()
+	slices.Sort(peers)
+
+	if len(peers) != 2 {
+		t.Fatalf(`there should be two peers in the mesh`)
+	}
+
+	peer1Pub, _ := peer1.GetPublicKey()
+
+	if !slices.Contains(peers, peer1Pub.String()) {
+		t.Fatalf(`peer1 not in the list`)
+	}
+
+	peer2Pub, _ := peer2.GetPublicKey()
+
+	if !slices.Contains(peers, peer2Pub.String()) {
+		t.Fatalf(`peer2 not in the list`)
+	}
+}
+
+func TestRemoveNodeReturnsErrorIfNodeDoesNotExist(t *testing.T) {
+	testParams := setUpTests()
+
+	err := testParams.manager.RemoveNode("dsjdssjk")
+
+	if err == nil {
+		t.Fatalf(`error should have returned`)
+	}
+}

pkg/crdt/factory.go

@@ -4,49 +4,54 @@ import (
 	"fmt"
 	"hash/fnv"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 )
 
-type TwoPhaseMapFactory struct{}
+type TwoPhaseMapFactory struct {
+	Config *conf.DaemonConfiguration
+}
 
 func (f *TwoPhaseMapFactory) CreateMesh(params *mesh.MeshProviderFactoryParams) (mesh.MeshProvider, error) {
 	return &TwoPhaseStoreMeshManager{
-		MeshId: params.MeshId,
+		MeshId:     params.MeshId,
-		IfName: params.DevName,
+		IfName:     params.DevName,
-		Client: params.Client,
+		Client:     params.Client,
-		conf:   params.Conf,
+		Conf:       params.Conf,
+		DaemonConf: params.DaemonConf,
 		store: NewTwoPhaseMap[string, MeshNode](params.NodeID, func(s string) uint64 {
 			h := fnv.New64a()
 			h.Write([]byte(s))
 			return h.Sum64()
-		}, uint64(3*params.Conf.KeepAliveTime)),
+		}, uint64(3*f.Config.HeartBeat)),
 	}, nil
 }
 
 type MeshNodeFactory struct {
-	Config conf.WgMeshConfiguration
+	Config conf.DaemonConfiguration
 }
 
 func (f *MeshNodeFactory) Build(params *mesh.MeshNodeFactoryParams) mesh.MeshNode {
 	hostName := f.getAddress(params)
 
-	grpcEndpoint := fmt.Sprintf("%s:%s", hostName, f.Config.GrpcPort)
+	grpcEndpoint := fmt.Sprintf("%s:%d", hostName, f.Config.GrpcPort)
+	wgEndpoint := fmt.Sprintf("%s:%d", hostName, params.WgPort)
 
-	if f.Config.Role == conf.CLIENT_ROLE {
+	if *params.MeshConfig.Role == conf.CLIENT_ROLE {
 		grpcEndpoint = "-"
+		wgEndpoint = "-"
 	}
 
 	return &MeshNode{
 		HostEndpoint: grpcEndpoint,
 		PublicKey:    params.PublicKey.String(),
-		WgEndpoint:   fmt.Sprintf("%s:%d", hostName, params.WgPort),
+		WgEndpoint:   wgEndpoint,
 		WgHost:       fmt.Sprintf("%s/128", params.NodeIP.String()),
 		Routes:       make(map[string]Route),
 		Description:  "",
 		Alias:        "",
-		Type:         string(f.Config.Role),
+		Type:         string(*params.MeshConfig.Role),
 	}
 }
 
@@ -56,12 +61,12 @@ func (f *MeshNodeFactory) getAddress(params *mesh.MeshNodeFactoryParams) string
 
 	if params.Endpoint != "" {
 		hostName = params.Endpoint
-	} else if len(f.Config.Endpoint) != 0 {
+	} else if params.MeshConfig.Endpoint != nil && len(*params.MeshConfig.Endpoint) != 0 {
-		hostName = f.Config.Endpoint
+		hostName = *params.MeshConfig.Endpoint
 	} else {
 		ipFunc := lib.GetPublicIP
 
-		if f.Config.IPDiscovery == conf.DNS_IP_DISCOVERY {
+		if *params.MeshConfig.IPDiscovery == conf.DNS_IP_DISCOVERY {
 			ipFunc = lib.GetOutboundIP
 		}
 

pkg/crdt/g_map.go

@@ -1,4 +1,4 @@
-// crdt is a golang implementation of a crdt
+// crdt provides go implementations for crdts
 package crdt
 
 import (
@@ -65,10 +65,19 @@ func (g *GMap[K, D]) get(key uint64) Bucket[D] {
 }
 
 func (g *GMap[K, D]) Get(key K) D {
+	if !g.Contains(key) {
+		var def D
+		return def
+	}
+
 	return g.get(g.clock.hashFunc(key)).Contents
 }
 
 func (g *GMap[K, D]) Mark(key K) {
+	if !g.Contains(key) {
+		return
+	}
+
 	g.lock.Lock()
 	bucket := g.contents[g.clock.hashFunc(key)]
 	bucket.Gravestone = true
@@ -89,7 +98,6 @@ func (g *GMap[K, D]) IsMarked(key K) bool {
 	}
 
 	g.lock.RUnlock()
-
 	return marked
 }
 

pkg/crdt/g_map_test.go

@@ -0,0 +1,224 @@
+// crdt_test unit tests the crdt implementations
+package crdt
+
+import (
+	"hash/fnv"
+	"slices"
+	"testing"
+	"time"
+
+	"github.com/tim-beatham/smegmesh/pkg/lib"
+)
+
+func NewGmap() *GMap[string, bool] {
+	vectorClock := NewVectorClock("a", func(key string) uint64 {
+		hash := fnv.New64a()
+		hash.Write([]byte(key))
+		return hash.Sum64()
+	}, 1) // 1 second stale time
+
+	gMap := NewGMap[string, bool](vectorClock)
+	return gMap
+}
+
+func TestGMapPutInsertsItems(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("bruh1234", true)
+
+	if !gMap.Contains("bruh1234") {
+		t.Fatalf(`value not added to map`)
+	}
+}
+
+func TestGMapPutReplacesItems(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("bruh1234", true)
+	gMap.Put("bruh1234", false)
+
+	value := gMap.Get("bruh1234")
+
+	if value {
+		t.Fatalf(`value should ahve been replaced to false`)
+	}
+}
+
+func TestContainsValueNotPresent(t *testing.T) {
+	gMap := NewGmap()
+
+	if gMap.Contains("sdhjsdhsdj") {
+		t.Fatalf(`value should not be present in the map`)
+	}
+}
+
+func TestContainsValuePresent(t *testing.T) {
+	gMap := NewGmap()
+	key := "hehehehe"
+	gMap.Put(key, false)
+
+	if !gMap.Contains(key) {
+		t.Fatalf(`%s should not be present in the map`, key)
+	}
+}
+
+func TestGMapGetNotPresentReturnsError(t *testing.T) {
+	gMap := NewGmap()
+	value := gMap.Get("bruh123")
+
+	if value != false {
+		t.Fatalf(`value should be default type false`)
+	}
+}
+
+func TestGMapGetReturnsValue(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("bobdylan", true)
+
+	value := gMap.Get("bobdylan")
+
+	if !value {
+		t.Fatalf("value should be true but was false")
+	}
+}
+
+func TestMarkMarksTheValue(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("hello123", true)
+
+	gMap.Mark("hello123")
+
+	if !gMap.IsMarked("hello123") {
+		t.Fatal(`hello123 should be marked`)
+	}
+}
+
+func TestMarkValueNotPresent(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Mark("ok123456")
+}
+
+func TestKeysMapEmpty(t *testing.T) {
+	gMap := NewGmap()
+
+	keys := gMap.Keys()
+
+	if len(keys) != 0 {
+		t.Fatal(`list of keys was not empty but should be empty`)
+	}
+}
+
+func TestKeysMapReturnsKeysInMap(t *testing.T) {
+	gMap := NewGmap()
+
+	gMap.Put("a", false)
+	gMap.Put("b", false)
+	gMap.Put("c", false)
+
+	keys := gMap.Keys()
+
+	if len(keys) != 3 {
+		t.Fatal(`key length should be 3`)
+	}
+}
+
+func TestSaveMapEmptyReturnsEmptyMap(t *testing.T) {
+	gMap := NewGmap()
+
+	saveMap := gMap.Save()
+
+	if len(saveMap) != 0 {
+		t.Fatal(`saves should be empty`)
+	}
+}
+
+func TestSaveMapReturnsMapOfBuckets(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("a", false)
+	gMap.Put("b", false)
+	gMap.Put("c", false)
+
+	saveMap := gMap.Save()
+
+	if len(saveMap) != 3 {
+		t.Fatalf(`save length should be 3`)
+	}
+}
+
+func TestSaveWithKeysNoKeysReturnsEmptyBucket(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("a", false)
+	gMap.Put("b", false)
+	gMap.Put("c", false)
+
+	saveMap := gMap.SaveWithKeys([]uint64{})
+
+	if len(saveMap) != 0 {
+		t.Fatalf(`save map should be empty`)
+	}
+}
+
+func TestSaveWithKeysReturnsIntersection(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("a", false)
+	gMap.Put("b", false)
+	gMap.Put("c", false)
+
+	clock := lib.MapKeys(gMap.GetClock())
+	clock = clock[:len(clock)-1]
+
+	values := gMap.SaveWithKeys(clock)
+	if len(values) != len(clock) {
+		t.Fatalf(`intersection not returned`)
+	}
+}
+
+func TestGetClockMapEmptyReturnsEmptyClock(t *testing.T) {
+	gMap := NewGmap()
+
+	clocks := gMap.GetClock()
+
+	if len(clocks) != 0 {
+		t.Fatalf(`vector clock is not empty`)
+	}
+}
+
+func TestGetClockReturnsAllCLocks(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("a", false)
+	gMap.Put("b", false)
+	gMap.Put("c", false)
+
+	clocks := lib.MapValues(gMap.GetClock())
+	slices.Sort(clocks)
+
+	if !slices.Equal([]uint64{0, 1, 2}, clocks) {
+		t.Fatalf(`clocks are invalid`)
+	}
+}
+
+func TestGetHashChangesHashOnValueAdded(t *testing.T) {
+	gMap := NewGmap()
+	gMap.Put("a", false)
+	prevHash := gMap.GetHash()
+
+	gMap.Put("b", true)
+
+	if prevHash == gMap.GetHash() {
+		t.Fatalf(`hash should be different`)
+	}
+}
+
+func TestPruneGarbageCollectsValuesThatHaveNotBeenUpdated(t *testing.T) {
+	gMap := NewGmap()
+	gMap.clock.Put("c", 12)
+	gMap.Put("c", false)
+	gMap.Put("a", false)
+
+	time.Sleep(4 * time.Second)
+	gMap.Put("a", true)
+
+	gMap.Prune()
+
+	if gMap.Contains("c") {
+		t.Fatalf(`a should have been pruned`)
+	}
+}

pkg/crdt/two_phase_map.go

@@ -3,7 +3,7 @@ package crdt
 import (
 	"cmp"
 
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
 )
 
 type TwoPhaseMap[K cmp.Ordered, D any] struct {
@@ -151,7 +151,7 @@ func (m *TwoPhaseMap[K, D]) GenerateMessage() *TwoPhaseMapState[K] {
 	}
 }
 
-func (m *TwoPhaseMapState[K]) Difference(state *TwoPhaseMapState[K]) *TwoPhaseMapState[K] {
+func (m *TwoPhaseMapState[K]) Difference(highestStale uint64, state *TwoPhaseMapState[K]) *TwoPhaseMapState[K] {
 	mapState := &TwoPhaseMapState[K]{
 		AddContents:    make(map[uint64]uint64),
 		RemoveContents: make(map[uint64]uint64),
@@ -160,7 +160,7 @@ func (m *TwoPhaseMapState[K]) Difference(state *TwoPhaseMapState[K]) *TwoPhaseMa
 	for key, value := range state.AddContents {
 		otherValue, ok := m.AddContents[key]
 
-		if !ok || otherValue < value {
+		if value > highestStale && (!ok || otherValue < value) {
 			mapState.AddContents[key] = value
 		}
 	}
@@ -168,7 +168,7 @@ func (m *TwoPhaseMapState[K]) Difference(state *TwoPhaseMapState[K]) *TwoPhaseMa
 	for key, value := range state.RemoveContents {
 		otherValue, ok := m.RemoveContents[key]
 
-		if !ok || otherValue < value {
+		if value > highestStale && (!ok || otherValue < value) {
 			mapState.RemoveContents[key] = value
 		}
 	}

pkg/crdt/two_phase_map_syncer.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"encoding/gob"
 
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
 )
 
 type SyncState int
@@ -68,9 +68,16 @@ func prepare(syncer *TwoPhaseSyncer) ([]byte, bool) {
 		return nil, false
 	}
 
+	// Increment the clock here so the clock gets
+	// distributed to everyone else in the mesh
+	syncer.manager.store.Clock.IncrementClock()
+
 	var buffer bytes.Buffer
 	enc := gob.NewEncoder(&buffer)
 
+	mapState := syncer.manager.store.GenerateMessage()
+
+	syncer.mapState = mapState
 	err = enc.Encode(*syncer.mapState)
 
 	if err != nil {
@@ -96,7 +103,7 @@ func present(syncer *TwoPhaseSyncer) ([]byte, bool) {
 		logging.Log.WriteErrorf(err.Error())
 	}
 
-	difference := syncer.mapState.Difference(&mapState)
+	difference := syncer.mapState.Difference(syncer.manager.store.Clock.GetStaleCount(), &mapState)
 	syncer.manager.store.Clock.Merge(mapState.Vectors)
 
 	var sendBuffer bytes.Buffer
@@ -164,9 +171,6 @@ func (t *TwoPhaseSyncer) RecvMessage(msg []byte) error {
 
 func (t *TwoPhaseSyncer) Complete() {
 	logging.Log.WriteInfof("SYNC COMPLETED")
-	if t.state >= MERGE {
-		t.manager.store.Clock.IncrementClock()
-	}
 }
 
 func NewTwoPhaseSyncer(manager *TwoPhaseStoreMeshManager) *TwoPhaseSyncer {
@@ -181,7 +185,6 @@ func NewTwoPhaseSyncer(manager *TwoPhaseStoreMeshManager) *TwoPhaseSyncer {
 	return &TwoPhaseSyncer{
 		manager:            manager,
 		state:              HASH,
-		mapState:           manager.store.GenerateMessage(),
 		generateMessageFSM: generateMessageFsm,
 	}
 }

pkg/crdt/two_phase_map_test.go

@@ -0,0 +1,214 @@
+package crdt
+
+import (
+	"hash/fnv"
+	"slices"
+	"testing"
+)
+
+func NewMap(processId string) *TwoPhaseMap[string, string] {
+	theMap := NewTwoPhaseMap[string, string](processId, func(key string) uint64 {
+		hash := fnv.New64a()
+		hash.Write([]byte(key))
+		return hash.Sum64()
+	}, 1)
+	return theMap
+}
+
+func TestTwoPhaseMapEmpty(t *testing.T) {
+	theMap := NewMap("a")
+
+	if theMap.Contains("a") {
+		t.Fatalf(`a should not be present in the map`)
+	}
+}
+
+func TestTwoPhaseMapValuePresent(t *testing.T) {
+	theMap := NewMap("a")
+	theMap.Put("a", "")
+
+	if !theMap.Contains("a") {
+		t.Fatalf(`should be present within the map`)
+	}
+}
+
+func TestTwoPhaseMapValueNotPresent(t *testing.T) {
+	theMap := NewMap("a")
+	theMap.Put("b", "")
+
+	if theMap.Contains("a") {
+		t.Fatalf(`a should not be present in the map`)
+	}
+}
+
+func TestTwoPhaseMapPutThenRemove(t *testing.T) {
+	theMap := NewMap("a")
+
+	theMap.Put("a", "")
+	theMap.Remove("a")
+
+	if theMap.Contains("a") {
+		t.Fatalf(`a should not be present within the map`)
+	}
+}
+
+func TestTwoPhaseMapPutThenRemoveThenPut(t *testing.T) {
+	theMap := NewMap("a")
+
+	theMap.Put("a", "")
+	theMap.Remove("a")
+	theMap.Put("a", "")
+
+	if !theMap.Contains("a") {
+		t.Fatalf(`a should be present within the map`)
+	}
+}
+
+func TestMarkMarksTheValueIn2PMap(t *testing.T) {
+	theMap := NewMap("a")
+
+	theMap.Put("a", "")
+	theMap.Mark("a")
+
+	if !theMap.IsMarked("a") {
+		t.Fatalf(`a should be marked`)
+	}
+}
+
+func TestAsListReturnsItemsInList(t *testing.T) {
+	theMap := NewMap("a")
+
+	theMap.Put("a", "bob")
+	theMap.Put("b", "dylan")
+
+	keys := theMap.AsList()
+	slices.Sort(keys)
+
+	if !slices.Equal([]string{"bob", "dylan"}, keys) {
+		t.Fatalf(`values should be bob, dylan`)
+	}
+}
+
+func TestSnapShotRemoveMapEmpty(t *testing.T) {
+	theMap := NewMap("a")
+	theMap.Put("a", "bob")
+	theMap.Put("b", "dylan")
+
+	snapshot := theMap.Snapshot()
+
+	if len(snapshot.Add) != 2 {
+		t.Fatalf(`add values length should be 2`)
+	}
+
+	if len(snapshot.Remove) != 0 {
+		t.Fatalf(`remove map length should be 0`)
+	}
+}
+
+func TestSnapshotMapEmpty(t *testing.T) {
+	theMap := NewMap("a")
+
+	snapshot := theMap.Snapshot()
+
+	if len(snapshot.Add) != 0 || len(snapshot.Remove) != 0 {
+		t.Fatalf(`snapshot length should be 0`)
+	}
+}
+
+func TestSnapShotFromStateReturnsIntersection(t *testing.T) {
+	map1 := NewMap("a")
+	map1.Put("a", "heyy")
+
+	map2 := NewMap("b")
+	map2.Put("b", "hmmm")
+
+	message := map2.GenerateMessage()
+
+	snapShot := map1.SnapShotFromState(message)
+
+	if len(snapShot.Add) != 1 {
+		t.Fatalf(`add length should be 1`)
+	}
+
+	if len(snapShot.Remove) != 0 {
+		t.Fatalf(`remove length should be 0`)
+	}
+}
+
+func TestGetHashDifferentOnChange(t *testing.T) {
+	theMap := NewMap("a")
+
+	prevHash := theMap.GetHash()
+
+	theMap.Put("b", "hmmhmhmh")
+
+	if prevHash == theMap.GetHash() {
+		t.Fatalf(`hashes should not be the same`)
+	}
+}
+
+func TestGenerateMessageReturnsClocks(t *testing.T) {
+	theMap := NewMap("a")
+	theMap.Put("a", "hmm")
+	theMap.Put("b", "hmm")
+	theMap.Remove("a")
+
+	message := theMap.GenerateMessage()
+
+	if len(message.AddContents) != 2 {
+		t.Fatalf(`two items added add should be 2`)
+	}
+
+	if len(message.RemoveContents) != 1 {
+		t.Fatalf(`a was removed remove map should be length 1`)
+	}
+}
+
+func TestDifferenceReturnsDifferenceOfMaps(t *testing.T) {
+	map1 := NewMap("a")
+	map1.Put("a", "ssms")
+	map1.Put("b", "sdmdsmd")
+
+	map2 := NewMap("b")
+	map2.Put("d", "eek")
+	map2.Put("c", "meh")
+
+	message1 := map1.GenerateMessage()
+	message2 := map2.GenerateMessage()
+
+	difference := message1.Difference(0, message2)
+
+	if len(difference.AddContents) != 2 {
+		t.Fatalf(`d and c are not in map1 they should be in add contents`)
+	}
+
+	if len(difference.RemoveContents) != 0 {
+		t.Fatalf(`remove should be empty`)
+	}
+}
+
+func TestMergeMergesValuesThatAreGreaterThanCurrentClock(t *testing.T) {
+	map1 := NewMap("a")
+	map1.Put("a", "ssms")
+	map1.Put("b", "sdmdsmd")
+
+	map2 := NewMap("b")
+	map2.Put("d", "eek")
+	map2.Put("c", "meh")
+
+	message1 := map1.GenerateMessage()
+	message2 := map2.GenerateMessage()
+
+	difference := message1.Difference(0, message2)
+	state := map2.SnapShotFromState(difference)
+
+	map1.Merge(*state)
+
+	if !map1.Contains("d") {
+		t.Fatalf(`d should be in the map`)
+	}
+
+	if !map2.Contains("c") {
+		t.Fatalf(`c should be in the map`)
+	}
+}

pkg/crdt/vector_clock.go

@@ -5,7 +5,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
 )
 
 type VectorBucket struct {
@@ -23,6 +23,8 @@ type VectorClock[K cmp.Ordered] struct {
 	processID K
 	staleTime uint64
 	hashFunc  func(K) uint64
+	// highest update that's been garbage collected
+	highestStale uint64
 }
 
 // IncrementClock: increments the node's value in the vector clock
@@ -78,6 +80,7 @@ func (m *VectorClock[K]) getStale() []uint64 {
 	for key, bucket := range m.vectors {
 		if maxTimeStamp-bucket.lastUpdate > m.staleTime {
 			toRemove = append(toRemove, key)
+			m.highestStale = max(bucket.clock, m.highestStale)
 		}
 	}
 
@@ -85,6 +88,15 @@ func (m *VectorClock[K]) getStale() []uint64 {
 	return toRemove
 }
 
+// GetStaleCount: returns a vector clock which is considered to be stale.
+// all updates must be greater than this
+func (m *VectorClock[K]) GetStaleCount() uint64 {
+	m.lock.RLock()
+	staleCount := m.highestStale
+	m.lock.RUnlock()
+	return staleCount
+}
+
 func (m *VectorClock[K]) Prune() {
 	stale := m.getStale()
 
@@ -98,7 +110,12 @@ func (m *VectorClock[K]) Prune() {
 }
 
 func (m *VectorClock[K]) GetTimestamp(processId K) uint64 {
-	return m.vectors[m.hashFunc(m.processID)].lastUpdate
+	m.lock.RLock()
+
+	lastUpdate := m.vectors[m.hashFunc(m.processID)].lastUpdate
+
+	m.lock.RUnlock()
+	return lastUpdate
 }
 
 func (m *VectorClock[K]) Put(key K, value uint64) {
@@ -115,7 +132,9 @@ func (m *VectorClock[K]) put(key uint64, value uint64) {
 		clockValue = bucket.clock
 	}
 
-	if value > clockValue {
+	// Make sure that entries that were garbage collected don't get
+	// addded back
+	if value > clockValue && value > m.highestStale {
 		newBucket := VectorBucket{
 			clock:      value,
 			lastUpdate: uint64(time.Now().Unix()),

pkg/ctrlserver/ctrlserver.go

@@ -1,22 +1,22 @@
 package ctrlserver
 
 import (
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/conn"
+	"github.com/tim-beatham/smegmesh/pkg/conn"
-	"github.com/tim-beatham/wgmesh/pkg/crdt"
+	"github.com/tim-beatham/smegmesh/pkg/crdt"
-	"github.com/tim-beatham/wgmesh/pkg/ip"
+	"github.com/tim-beatham/smegmesh/pkg/ip"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
-	"github.com/tim-beatham/wgmesh/pkg/query"
+	"github.com/tim-beatham/smegmesh/pkg/query"
-	"github.com/tim-beatham/wgmesh/pkg/rpc"
+	"github.com/tim-beatham/smegmesh/pkg/rpc"
-	"github.com/tim-beatham/wgmesh/pkg/wg"
+	"github.com/tim-beatham/smegmesh/pkg/wg"
 	"golang.zx2c4.com/wireguard/wgctrl"
 )
 
 // NewCtrlServerParams are the params requried to create a new ctrl server
 type NewCtrlServerParams struct {
-	Conf         *conf.WgMeshConfiguration
+	Conf         *conf.DaemonConfiguration
 	Client       *wgctrl.Client
 	CtrlProvider rpc.MeshCtrlServerServer
 	SyncProvider rpc.SyncServiceServer
@@ -28,15 +28,17 @@ type NewCtrlServerParams struct {
 // operation failed
 func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	ctrlServer := new(MeshCtrlServer)
-	meshFactory := &crdt.TwoPhaseMapFactory{}
+	meshFactory := &crdt.TwoPhaseMapFactory{
+		Config: params.Conf,
+	}
 	nodeFactory := &crdt.MeshNodeFactory{
 		Config: *params.Conf,
 	}
-	idGenerator := &lib.IDNameGenerator{}
+	idGenerator := &lib.ShortIDGenerator{}
 	ipAllocator := &ip.ULABuilder{}
 	interfaceManipulator := wg.NewWgInterfaceManipulator(params.Client)
 
-	configApplyer := mesh.NewWgMeshConfigApplyer(params.Conf)
+	configApplyer := mesh.NewWgMeshConfigApplyer()
 
 	meshManagerParams := &mesh.NewMeshManagerParams{
 		Conf:                 *params.Conf,
@@ -87,7 +89,7 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	return ctrlServer, nil
 }
 
-func (s *MeshCtrlServer) GetConfiguration() *conf.WgMeshConfiguration {
+func (s *MeshCtrlServer) GetConfiguration() *conf.DaemonConfiguration {
 	return s.Conf
 }
 

pkg/ctrlserver/ctrltypes.go

@@ -1,10 +1,14 @@
 package ctrlserver
 
 import (
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"net"
-	"github.com/tim-beatham/wgmesh/pkg/conn"
+	"time"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+
-	"github.com/tim-beatham/wgmesh/pkg/query"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conn"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/query"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
@@ -14,6 +18,14 @@ type MeshRoute struct {
 	Path        []string
 }
 
+// Represents the WireGuard configuration attached to the node
+type WireGuardStats struct {
+	AllowedIPs                  []string
+	TransmitBytes               int64
+	ReceivedBytes               int64
+	PersistentKeepAliveInterval time.Duration
+}
+
 // Represents a WireGuard MeshNode
 type MeshNode struct {
 	HostEndpoint string
@@ -25,6 +37,7 @@ type MeshNode struct {
 	Description  string
 	Alias        string
 	Services     map[string]string
+	Stats        WireGuardStats
 }
 
 // Represents a WireGuard Mesh
@@ -34,7 +47,7 @@ type Mesh struct {
 }
 
 type CtrlServer interface {
-	GetConfiguration() *conf.WgMeshConfiguration
+	GetConfiguration() *conf.DaemonConfiguration
 	GetClient() *wgctrl.Client
 	GetQuerier() query.Querier
 	GetMeshManager() mesh.MeshManager
@@ -48,6 +61,56 @@ type MeshCtrlServer struct {
 	MeshManager       mesh.MeshManager
 	ConnectionManager conn.ConnectionManager
 	ConnectionServer  *conn.ConnectionServer
-	Conf              *conf.WgMeshConfiguration
+	Conf              *conf.DaemonConfiguration
 	Querier           query.Querier
 }
+
+// NewCtrlNode create an instance of a ctrl node to send over an
+// IPC call
+func NewCtrlNode(provider mesh.MeshProvider, node mesh.MeshNode) *MeshNode {
+	pubKey, _ := node.GetPublicKey()
+
+	ctrlNode := MeshNode{
+		HostEndpoint: node.GetHostEndpoint(),
+		WgEndpoint:   node.GetWgEndpoint(),
+		PublicKey:    pubKey.String(),
+		WgHost:       node.GetWgHost().String(),
+		Timestamp:    node.GetTimeStamp(),
+		Routes: lib.Map(node.GetRoutes(), func(r mesh.Route) MeshRoute {
+			return MeshRoute{
+				Destination: r.GetDestination().String(),
+				Path:        r.GetPath(),
+			}
+		}),
+		Description: node.GetDescription(),
+		Alias:       node.GetAlias(),
+		Services:    node.GetServices(),
+	}
+
+	device, err := provider.GetDevice()
+
+	if err != nil {
+		return &ctrlNode
+	}
+
+	peers := lib.Filter(device.Peers, func(p wgtypes.Peer) bool {
+		return p.PublicKey.String() == pubKey.String()
+	})
+
+	if len(peers) > 0 {
+		peer := peers[0]
+
+		stats := WireGuardStats{
+			AllowedIPs: lib.Map(peer.AllowedIPs, func(i net.IPNet) string {
+				return i.String()
+			}),
+			TransmitBytes:               peer.TransmitBytes,
+			ReceivedBytes:               peer.ReceiveBytes,
+			PersistentKeepAliveInterval: peer.PersistentKeepaliveInterval,
+		}
+
+		ctrlNode.Stats = stats
+	}
+
+	return &ctrlNode
+}

pkg/ctrlserver/stub.go

@@ -1,10 +1,10 @@
 package ctrlserver
 
 import (
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/conn"
+	"github.com/tim-beatham/smegmesh/pkg/conn"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
-	"github.com/tim-beatham/wgmesh/pkg/query"
+	"github.com/tim-beatham/smegmesh/pkg/query"
 	"golang.zx2c4.com/wireguard/wgctrl"
 )
 
@@ -23,10 +23,10 @@ func NewCtrlServerStub() *CtrlServerStub {
 	}
 }
 
-func (c *CtrlServerStub) GetConfiguration() *conf.WgMeshConfiguration {
+func (c *CtrlServerStub) GetConfiguration() *conf.DaemonConfiguration {
-	return &conf.WgMeshConfiguration{
+	return &conf.DaemonConfiguration{
-		GrpcPort: "8080",
+		GrpcPort:          8080,
-		Endpoint: "abc.com",
+		BaseConfiguration: conf.WgConfiguration{},
 	}
 }
 

pkg/dns/dns.go

@@ -4,21 +4,18 @@ import (
 	"encoding/json"
 	"fmt"
 	"net"
-	"net/rpc"
 
 	"github.com/miekg/dns"
-	"github.com/tim-beatham/wgmesh/pkg/ipc"
+	"github.com/tim-beatham/smegmesh/pkg/ipc"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/query"
+	"github.com/tim-beatham/smegmesh/pkg/query"
 )
 
-const SockAddr = "/tmp/wgmesh_ipc.sock"
-
 const MeshRegularExpression = `(?P<meshId>.+)\.(?P<alias>.+)\.smeg\.`
 
 type DNSHandler struct {
-	client *rpc.Client
+	client *ipc.SmegmeshIpc
 	server *dns.Server
 }
 
@@ -27,7 +24,7 @@ type DNSHandler struct {
 func (d *DNSHandler) queryMesh(meshId, alias string) net.IP {
 	var reply string
 
-	err := d.client.Call("IpcHandler.Query", &ipc.QueryMesh{
+	err := d.client.Query(ipc.QueryMesh{
 		MeshId: meshId,
 		Query:  fmt.Sprintf("[?alias == '%s'] | [0]", alias),
 	}, &reply)
@@ -97,7 +94,7 @@ func (h *DNSHandler) Close() error {
 }
 
 func NewDns(udpPort int) (*DNSHandler, error) {
-	client, err := rpc.DialHTTP("unix", SockAddr)
+	client, err := ipc.NewClientIpc()
 
 	if err != nil {
 		return nil, err

pkg/dot/dot.go

@@ -0,0 +1,227 @@
+// Graph allows the definition of a DOT graph in golang
+package graph
+
+import (
+	"fmt"
+	"hash/fnv"
+	"strings"
+
+	"github.com/tim-beatham/smegmesh/pkg/lib"
+)
+
+type GraphType string
+type Shape string
+
+const (
+	GRAPH   GraphType = "graph"
+	DIGRAPH GraphType = "digraph"
+)
+
+const (
+	CIRCLE        Shape = "circle"
+	STAR          Shape = "star"
+	HEXAGON       Shape = "hexagon"
+	PARALLELOGRAM Shape = "parallelogram"
+)
+
+type Graph interface {
+	Dottable
+	GetType() GraphType
+}
+
+type Cluster struct {
+	Type  GraphType
+	Name  string
+	Label string
+	nodes map[string]*Node
+	edges map[string]Edge
+}
+
+type RootGraph struct {
+	Type     GraphType
+	Label    string
+	nodes    map[string]*Node
+	clusters map[string]*Cluster
+	edges    map[string]Edge
+}
+
+type Node struct {
+	Name  string
+	Label string
+	Shape Shape
+	Size  int
+}
+
+type Edge interface {
+	Dottable
+}
+
+type DirectedEdge struct {
+	Name  string
+	Label string
+	From  string
+	To    string
+}
+
+type UndirectedEdge struct {
+	Name  string
+	Label string
+	From  string
+	To    string
+}
+
+// Dottable means an implementer can convert the struct to DOT representation
+type Dottable interface {
+	GetDOT() (string, error)
+}
+
+func NewGraph(label string, graphType GraphType) *RootGraph {
+	return &RootGraph{Type: graphType, Label: label, clusters: map[string]*Cluster{}, nodes: make(map[string]*Node), edges: make(map[string]Edge)}
+}
+
+// PutNode: puts a node in the graph
+func (g *RootGraph) PutNode(name, label string, size int, shape Shape) error {
+	_, exists := g.nodes[name]
+
+	if exists {
+		// If exists no need to add the ndoe
+		return nil
+	}
+
+	g.nodes[name] = &Node{Name: name, Label: label, Size: size, Shape: shape}
+	return nil
+}
+
+func (g *RootGraph) PutCluster(graph *Cluster) {
+	g.clusters[graph.Label] = graph
+}
+
+func writeContituents[D Dottable](result *strings.Builder, elements ...D) error {
+	for _, node := range elements {
+		dot, err := node.GetDOT()
+
+		if err != nil {
+			return err
+		}
+
+		_, err = result.WriteString(dot)
+
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (g *RootGraph) GetDOT() (string, error) {
+	var result strings.Builder
+
+	result.WriteString(fmt.Sprintf("%s {\n", g.Type))
+	result.WriteString("node [colorscheme=set312];\n")
+	result.WriteString("layout = fdp;\n")
+	nodes := lib.MapValues(g.nodes)
+	edges := lib.MapValues(g.edges)
+	writeContituents(&result, nodes...)
+	writeContituents(&result, edges...)
+
+	for _, cluster := range g.clusters {
+		clusterDOT, err := cluster.GetDOT()
+
+		if err != nil {
+			return "", err
+		}
+
+		result.WriteString(clusterDOT)
+	}
+
+	result.WriteString("}")
+	return result.String(), nil
+}
+
+// GetType implements Graph.
+func (r *RootGraph) GetType() GraphType {
+	return r.Type
+}
+
+func constructEdge(graph Graph, name, label, from, to string) Edge {
+	switch graph.GetType() {
+	case DIGRAPH:
+		return &DirectedEdge{Name: name, Label: label, From: from, To: to}
+	default:
+		return &UndirectedEdge{Name: name, Label: label, From: from, To: to}
+	}
+}
+
+// AddEdge: adds an edge between two nodes in the graph
+func (g *RootGraph) AddEdge(name string, label string, from string, to string) error {
+	g.edges[name] = constructEdge(g, name, label, from, to)
+	return nil
+}
+
+const numColours = 12
+
+func (n *Node) hash() int {
+	h := fnv.New32a()
+	h.Write([]byte(n.Name))
+	return (int(h.Sum32()) % numColours) + 1
+}
+
+func (n *Node) GetDOT() (string, error) {
+	return fmt.Sprintf("node[label=\"%s\",shape=%s, style=\"filled\", fillcolor=%d, width=%d, height=%d, fixedsize=true] \"%s\";\n",
+		n.Label, n.Shape, n.hash(), n.Size, n.Size, n.Name), nil
+}
+
+func (e *DirectedEdge) GetDOT() (string, error) {
+	return fmt.Sprintf("\"%s\" -> \"%s\" [label=\"%s\"];\n", e.From, e.To, e.Label), nil
+}
+
+func (e *UndirectedEdge) GetDOT() (string, error) {
+	return fmt.Sprintf("\"%s\" -- \"%s\" [label=\"%s\"];\n", e.From, e.To, e.Label), nil
+}
+
+// AddEdge: adds an edge between two nodes in the graph
+func (g *Cluster) AddEdge(name string, label string, from string, to string) error {
+	g.edges[name] = constructEdge(g, name, label, from, to)
+	return nil
+}
+
+// PutNode: puts a node in the graph
+func (g *Cluster) PutNode(name, label string, size int, shape Shape) error {
+	_, exists := g.nodes[name]
+
+	if exists {
+		// If exists no need to add the ndoe
+		return nil
+	}
+
+	g.nodes[name] = &Node{Name: name, Label: label, Shape: shape, Size: size}
+	return nil
+}
+
+func (g *Cluster) GetDOT() (string, error) {
+	var builder strings.Builder
+
+	builder.WriteString(fmt.Sprintf("subgraph \"cluster%s\" {\n", g.Label))
+	builder.WriteString(fmt.Sprintf("label = \"%s\"\n", g.Label))
+	nodes := lib.MapValues(g.nodes)
+	edges := lib.MapValues(g.edges)
+	writeContituents(&builder, nodes...)
+	writeContituents(&builder, edges...)
+
+	builder.WriteString("}\n")
+	return builder.String(), nil
+}
+
+func (g *Cluster) GetType() GraphType {
+	return g.Type
+}
+
+func NewSubGraph(name string, label string, graphType GraphType) *Cluster {
+	return &Cluster{
+		Label: name,
+		Type:  graphType,
+		Name:  name,
+		nodes: make(map[string]*Node),
+		edges: make(map[string]Edge),
+	}
+}

pkg/dot/wg.go

@@ -0,0 +1,116 @@
+package graph
+
+import (
+	"fmt"
+	"slices"
+
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
+)
+
+// MeshGraphConverter converts a mesh to a graph
+type MeshGraphConverter interface {
+	// convert the mesh to textual form
+	Generate() (string, error)
+}
+
+type MeshDOTConverter struct {
+	meshes       map[string][]ctrlserver.MeshNode
+	destinations map[string]interface{}
+}
+
+func (c *MeshDOTConverter) Generate() (string, error) {
+	g := NewGraph("Smegmesh", GRAPH)
+
+	for meshId := range c.meshes {
+		err := c.generateMesh(g, meshId)
+
+		if err != nil {
+			return "", err
+		}
+	}
+
+	for mesh := range c.meshes {
+		g.PutNode(mesh, mesh, 1, CIRCLE)
+	}
+
+	for destination := range c.destinations {
+		g.PutNode(destination, destination, 1, HEXAGON)
+	}
+
+	return g.GetDOT()
+}
+
+func (c *MeshDOTConverter) generateMesh(g *RootGraph, meshId string) error {
+	nodes := c.meshes[meshId]
+
+	g.PutNode(meshId, meshId, 1, CIRCLE)
+
+	for _, node := range nodes {
+		c.graphNode(g, node, meshId)
+	}
+
+	for _, node := range nodes {
+		g.AddEdge(fmt.Sprintf("%s to %s", node.PublicKey, meshId), "", node.PublicKey, meshId)
+	}
+
+	return nil
+}
+
+// graphNode: graphs a node within the mesh
+func (c *MeshDOTConverter) graphNode(g *RootGraph, node ctrlserver.MeshNode, meshId string) {
+	alias := node.Alias
+
+	if alias == "" {
+		alias = node.WgHost[1:len(node.WgHost)-20] + "\\n" + node.WgHost[len(node.WgHost)-20:len(node.WgHost)]
+	}
+
+	g.PutNode(node.PublicKey, alias, 2, CIRCLE)
+
+	for _, route := range node.Routes {
+		if len(route.Path) == 0 {
+			g.AddEdge(route.Destination, "", node.PublicKey, route.Destination)
+			continue
+		}
+
+		reversedPath := slices.Clone(route.Path)
+		slices.Reverse(reversedPath)
+
+		g.AddEdge(fmt.Sprintf("%s to %s", node.PublicKey, reversedPath[0]), "", node.PublicKey, reversedPath[0])
+
+		for _, mesh := range route.Path {
+			if _, ok := c.meshes[mesh]; !ok {
+				c.destinations[mesh] = struct{}{}
+			}
+		}
+
+		for index := range reversedPath[0 : len(reversedPath)-1] {
+			routeID := fmt.Sprintf("%s to %s", reversedPath[index], reversedPath[index+1])
+			g.AddEdge(routeID, "", reversedPath[index], reversedPath[index+1])
+		}
+
+		if route.Destination == "::/0" {
+			c.destinations[route.Destination] = struct{}{}
+			lastMesh := reversedPath[len(reversedPath)-1]
+			routeID := fmt.Sprintf("%s to %s", lastMesh, route.Destination)
+			g.AddEdge(routeID, "", lastMesh, route.Destination)
+		}
+	}
+
+	for service := range node.Services {
+		c.putService(g, service, meshId, node)
+	}
+}
+
+// putService: construct a service node and a link between the nodes
+func (c *MeshDOTConverter) putService(g *RootGraph, key, meshId string, node ctrlserver.MeshNode) {
+	serviceID := fmt.Sprintf("%s%s%s", key, node.PublicKey, meshId)
+	g.PutNode(serviceID, key, 1, PARALLELOGRAM)
+	g.AddEdge(fmt.Sprintf("%s to %s", node.PublicKey, serviceID), "", node.PublicKey, serviceID)
+}
+
+func NewMeshGraphConverter(meshes map[string][]ctrlserver.MeshNode) MeshGraphConverter {
+	return &MeshDOTConverter{
+		meshes:       meshes,
+		destinations: make(map[string]interface{}),
+	}
+}

pkg/graph/graph.go

@@ -1,178 +0,0 @@
-// Graph allows the definition of a DOT graph in golang
-package graph
-
-import (
-	"errors"
-	"fmt"
-	"hash/fnv"
-	"strings"
-
-	"github.com/tim-beatham/wgmesh/pkg/lib"
-)
-
-type GraphType string
-type Shape string
-
-const (
-	GRAPH   GraphType = "graph"
-	DIGRAPH           = "digraph"
-)
-
-const (
-	CIRCLE  Shape = "circle"
-	STAR    Shape = "star"
-	HEXAGON Shape = "hexagon"
-)
-
-type Graph struct {
-	Type  GraphType
-	Label string
-	nodes map[string]*Node
-	edges []Edge
-}
-
-type Node struct {
-	Name  string
-	Shape Shape
-}
-
-type Edge interface {
-	Dottable
-}
-
-type DirectedEdge struct {
-	Label string
-	From  *Node
-	To    *Node
-}
-
-type UndirectedEdge struct {
-	Label string
-	From  *Node
-	To    *Node
-}
-
-// Dottable means an implementer can convert the struct to DOT representation
-type Dottable interface {
-	GetDOT() (string, error)
-}
-
-func NewGraph(label string, graphType GraphType) *Graph {
-	return &Graph{Type: graphType, Label: label, nodes: make(map[string]*Node), edges: make([]Edge, 0)}
-}
-
-// PutNode: puts a node in the graph
-func (g *Graph) PutNode(label string, shape Shape) error {
-	_, exists := g.nodes[label]
-
-	if exists {
-		// If exists no need to add the ndoe
-		return nil
-	}
-
-	g.nodes[label] = &Node{Name: label, Shape: shape}
-	return nil
-}
-
-func writeContituents[D Dottable](result *strings.Builder, elements ...D) error {
-	for _, node := range elements {
-		dot, err := node.GetDOT()
-
-		if err != nil {
-			return err
-		}
-
-		_, err = result.WriteString(dot)
-
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (g *Graph) GetDOT() (string, error) {
-	var result strings.Builder
-
-	_, err := result.WriteString(fmt.Sprintf("%s {\n", g.Type))
-
-	if err != nil {
-		return "", err
-	}
-
-	_, err = result.WriteString("node [colorscheme=set312];\n")
-
-	if err != nil {
-		return "", err
-	}
-
-	nodes := lib.MapValues(g.nodes)
-
-	err = writeContituents(&result, nodes...)
-
-	if err != nil {
-		return "", err
-	}
-
-	err = writeContituents(&result, g.edges...)
-
-	if err != nil {
-		return "", err
-	}
-
-	_, err = result.WriteString("}")
-
-	if err != nil {
-		return "", err
-	}
-
-	return result.String(), nil
-}
-
-func (g *Graph) constructEdge(label string, from *Node, to *Node) Edge {
-	switch g.Type {
-	case DIGRAPH:
-		return &DirectedEdge{Label: label, From: from, To: to}
-	default:
-		return &UndirectedEdge{Label: label, From: from, To: to}
-	}
-}
-
-// AddEdge: adds an edge between two nodes in the graph
-func (g *Graph) AddEdge(label string, from string, to string) error {
-	fromNode, exists := g.nodes[from]
-
-	if !exists {
-		return errors.New(fmt.Sprintf("Node %s does not exist", from))
-	}
-
-	toNode, exists := g.nodes[to]
-
-	if !exists {
-		return errors.New(fmt.Sprintf("Node %s does not exist", to))
-	}
-
-	g.edges = append(g.edges, g.constructEdge(label, fromNode, toNode))
-	return nil
-}
-
-const numColours = 12
-
-func (n *Node) hash() int {
-	h := fnv.New32a()
-	h.Write([]byte(n.Name))
-	return (int(h.Sum32()) % numColours) + 1
-}
-
-func (n *Node) GetDOT() (string, error) {
-	return fmt.Sprintf("node[shape=%s, style=\"filled\", fillcolor=%d] %s;\n",
-		n.Shape, n.hash(), n.Name), nil
-}
-
-func (e *DirectedEdge) GetDOT() (string, error) {
-	return fmt.Sprintf("%s -> %s;\n", e.From.Name, e.To.Name), nil
-}
-
-func (e *UndirectedEdge) GetDOT() (string, error) {
-	return fmt.Sprintf("%s -- %s;\n", e.From.Name, e.To.Name), nil
-}

pkg/hosts/hosts.go

@@ -1,132 +0,0 @@
-// hosts: utility for modifying the /etc/hosts file
-package hosts
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"io"
-	"net"
-	"os"
-	"strings"
-)
-
-// HOSTS_FILE is the hosts file location
-const HOSTS_FILE = "/etc/hosts"
-
-const DOMAIN_HEADER = "#WG AUTO GENERATED HOSTS"
-const DOMAIN_TRAILER = "#WG AUTO GENERATED HOSTS END"
-
-type HostsEntry struct {
-	Alias string
-	Ip    net.IP
-}
-
-// Generic interface to manipulate /etc/hosts file
-type HostsManipulator interface {
-	// AddrAddr associates an aliasd with a given IP address
-	AddAddr(hosts ...HostsEntry)
-	// Remove deletes the entry from /etc/hosts
-	Remove(hosts ...HostsEntry)
-	// Writes the changes to /etc/hosts file
-	Write() error
-}
-
-type HostsManipulatorImpl struct {
-	hosts map[string]HostsEntry
-}
-
-// AddAddr implements HostsManipulator.
-func (m *HostsManipulatorImpl) AddAddr(hosts ...HostsEntry) {
-	changed := false
-
-	for _, host := range hosts {
-		prev, ok := m.hosts[host.Ip.String()]
-
-		if !ok || prev.Alias != host.Alias {
-			changed = true
-		}
-
-		m.hosts[host.Ip.String()] = host
-	}
-
-	if changed {
-		m.Write()
-	}
-}
-
-// Remove implements HostsManipulator.
-func (m *HostsManipulatorImpl) Remove(hosts ...HostsEntry) {
-	lenBefore := len(m.hosts)
-
-	for _, host := range hosts {
-		delete(m.hosts, host.Alias)
-	}
-
-	if lenBefore != len(m.hosts) {
-		m.Write()
-	}
-}
-
-func (m *HostsManipulatorImpl) removeHosts() string {
-	hostsFile, err := os.ReadFile(HOSTS_FILE)
-
-	if err != nil {
-		return ""
-	}
-
-	var contents strings.Builder
-
-	scanner := bufio.NewScanner(bytes.NewReader(hostsFile))
-
-	hostsSection := false
-
-	for scanner.Scan() {
-		line := scanner.Text()
-
-		if err == io.EOF {
-			break
-		} else if err != nil {
-			return ""
-		}
-
-		if !hostsSection && strings.Contains(line, DOMAIN_HEADER) {
-			hostsSection = true
-		}
-
-		if !hostsSection {
-			contents.WriteString(line + "\n")
-		}
-
-		if hostsSection && strings.Contains(line, DOMAIN_TRAILER) {
-			hostsSection = false
-		}
-	}
-
-	if scanner.Err() != nil && scanner.Err() != io.EOF {
-		return ""
-	}
-
-	return contents.String()
-}
-
-// Write implements HostsManipulator
-func (m *HostsManipulatorImpl) Write() error {
-	contents := m.removeHosts()
-
-	var nextHosts strings.Builder
-	nextHosts.WriteString(contents)
-
-	nextHosts.WriteString(DOMAIN_HEADER + "\n")
-
-	for _, host := range m.hosts {
-		nextHosts.WriteString(fmt.Sprintf("%s\t%s\n", host.Ip.String(), host.Alias))
-	}
-
-	nextHosts.WriteString(DOMAIN_TRAILER + "\n")
-	return os.WriteFile(HOSTS_FILE, []byte(nextHosts.String()), 0644)
-}
-
-func NewHostsManipulator() HostsManipulator {
-	return &HostsManipulatorImpl{hosts: make(map[string]HostsEntry)}
-}

pkg/ip/cga.go

@@ -34,7 +34,7 @@ type CgaParameters struct {
 	flag           byte
 }
 
-func NewCga(key wgtypes.Key, subnetPrefix [2 * InterfaceIdLen]byte) (*CgaParameters, error) {
+func NewCga(key wgtypes.Key, collisionCount uint8, subnetPrefix [2 * InterfaceIdLen]byte) (*CgaParameters, error) {
 	var params CgaParameters
 
 	_, err := rand.Read(params.Modifier[:])
@@ -45,6 +45,7 @@ func NewCga(key wgtypes.Key, subnetPrefix [2 * InterfaceIdLen]byte) (*CgaParamet
 
 	params.PublicKey = key
 	params.SubnetPrefix = subnetPrefix
+	params.CollisionCount = collisionCount
 	return &params, nil
 }
 
@@ -78,7 +79,6 @@ func (c *CgaParameters) generateHash1() []byte {
 	byteVal[hash1Length-1] = c.CollisionCount
 
 	hash := sha1.Sum(byteVal[:])
-
 	return hash[:Hash1Prefix]
 }
 
@@ -90,9 +90,6 @@ func clearBit(num, pos int) byte {
 }
 
 func (c *CgaParameters) generateInterface() []byte {
-	// TODO: On duplicate address detection increment collision.
-	// Also incorporate SEC
-
 	hash1 := c.generateHash1()
 
 	var interfaceId []byte = make([]byte, InterfaceIdLen)

pkg/ip/types.go

@@ -7,5 +7,5 @@ import (
 )
 
 type IPAllocator interface {
-	GetIP(key wgtypes.Key, meshId string) (net.IP, error)
+	GetIP(key wgtypes.Key, meshId string, collisionCount uint8) (net.IP, error)
 }

pkg/ip/ula.go

@@ -39,10 +39,10 @@ func (u *ULABuilder) GetIPNet(meshId string) (*net.IPNet, error) {
 	return net, nil
 }
 
-func (u *ULABuilder) GetIP(key wgtypes.Key, meshId string) (net.IP, error) {
+func (u *ULABuilder) GetIP(key wgtypes.Key, meshId string, collisionCount uint8) (net.IP, error) {
 	ulaPrefix := getMeshPrefix(meshId)
 
-	c, err := NewCga(key, ulaPrefix)
+	c, err := NewCga(key, collisionCount, ulaPrefix)
 
 	if err != nil {
 		return nil, err

pkg/ipc/ipc.go

@@ -5,37 +5,80 @@ import (
 	"net"
 	"net/http"
 	"net/rpc"
+	ipcRpc "net/rpc"
 	"os"
 
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
 )
 
-type NewMeshArgs struct {
+const SockAddr = "/tmp/wgmesh_sock"
+
+type MeshIpc interface {
+	CreateMesh(args *NewMeshArgs, reply *string) error
+	ListMeshes(name string, reply *ListMeshReply) error
+	JoinMesh(args *JoinMeshArgs, reply *string) error
+	LeaveMesh(meshId string, reply *string) error
+	GetMesh(meshId string, reply *GetMeshReply) error
+	Query(query QueryMesh, reply *string) error
+	PutDescription(args PutDescriptionArgs, reply *string) error
+	PutAlias(args PutAliasArgs, reply *string) error
+	PutService(args PutServiceArgs, reply *string) error
+	DeleteService(args DeleteServiceArgs, reply *string) error
+}
+
+// WireGuardArgs are provided args specific to WireGuard
+type WireGuardArgs struct {
 	// WgPort is the WireGuard port to expose
 	WgPort int
+	// KeepAliveWg is the number of seconds to keep alive
+	// for WireGuard NAT/firewall traversal
+	KeepAliveWg int
+	// AdvertiseRoutes whether or not to advertise routes to and from the
+	// mesh network
+	AdvertiseRoutes bool
+	// AdvertiseDefaultRoute whether or not to advertise the default route
+	// into the mesh network
+	AdvertiseDefaultRoute bool
 	// Endpoint is the routable alias of the machine. Can be an IP
 	// or DNS entry
 	Endpoint string
+	// Role is the role of the individual in the mesh
+	Role string
+}
+
+type NewMeshArgs struct {
+	// WgArgs are specific WireGuard args to use
+	WgArgs WireGuardArgs
 }
 
 type JoinMeshArgs struct {
 	// MeshId is the ID of the mesh to join
 	MeshId string
 	// IpAddress is a routable IP in another mesh
-	IpAdress string
+	IpAddress string
-	// Port is the WireGuard port to expose
+	// WgArgs is the WireGuard parameters to use.
-	Port int
+	WgArgs WireGuardArgs
-	// Endpoint is the routable address of this machine. If not provided
-	// defaults to the default address
-	Endpoint string
-	// Client specifies whether we should join as a client of the peer
-	// we are connecting to
-	Client bool
 }
 
 type PutServiceArgs struct {
 	Service string
 	Value   string
+	MeshId  string
+}
+
+type DeleteServiceArgs struct {
+	Service string
+	MeshId  string
+}
+
+type PutAliasArgs struct {
+	Alias  string
+	MeshId string
+}
+
+type PutDescriptionArgs struct {
+	Description string
+	MeshId      string
 }
 
 type GetMeshReply struct {
@@ -51,27 +94,78 @@ type QueryMesh struct {
 	Query  string
 }
 
-type GetNodeArgs struct {
+type ClientIpc interface {
-	NodeId string
-	MeshId string
-}
-
-type MeshIpc interface {
 	CreateMesh(args *NewMeshArgs, reply *string) error
-	ListMeshes(name string, reply *ListMeshReply) error
+	ListMeshes(args *ListMeshReply, reply *string) error
 	JoinMesh(args JoinMeshArgs, reply *string) error
 	LeaveMesh(meshId string, reply *string) error
 	GetMesh(meshId string, reply *GetMeshReply) error
-	GetDOT(meshId string, reply *string) error
 	Query(query QueryMesh, reply *string) error
-	PutDescription(description string, reply *string) error
+	PutDescription(args PutDescriptionArgs, reply *string) error
-	PutAlias(alias string, reply *string) error
+	PutAlias(args PutAliasArgs, reply *string) error
 	PutService(args PutServiceArgs, reply *string) error
-	GetNode(args GetNodeArgs, reply *string) error
+	DeleteService(args DeleteServiceArgs, reply *string) error
-	DeleteService(service string, reply *string) error
 }
 
-const SockAddr = "/tmp/wgmesh_ipc.sock"
+type SmegmeshIpc struct {
+	client *ipcRpc.Client
+}
+
+func NewClientIpc() (*SmegmeshIpc, error) {
+	client, err := ipcRpc.DialHTTP("unix", SockAddr)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &SmegmeshIpc{
+		client: client,
+	}, nil
+}
+
+func (c *SmegmeshIpc) CreateMesh(args *NewMeshArgs, reply *string) error {
+	return c.client.Call("IpcHandler.CreateMesh", args, reply)
+}
+
+func (c *SmegmeshIpc) ListMeshes(reply *ListMeshReply) error {
+	return c.client.Call("IpcHandler.ListMeshes", "", reply)
+}
+
+func (c *SmegmeshIpc) JoinMesh(args JoinMeshArgs, reply *string) error {
+	return c.client.Call("IpcHandler.JoinMesh", &args, reply)
+}
+
+func (c *SmegmeshIpc) LeaveMesh(meshId string, reply *string) error {
+	return c.client.Call("IpcHandler.LeaveMesh", &meshId, reply)
+}
+
+func (c *SmegmeshIpc) GetMesh(meshId string, reply *GetMeshReply) error {
+	return c.client.Call("IpcHandler.GetMesh", &meshId, reply)
+}
+
+func (c *SmegmeshIpc) Query(query QueryMesh, reply *string) error {
+	return c.client.Call("IpcHandler.Query", &query, reply)
+}
+
+func (c *SmegmeshIpc) PutDescription(args PutDescriptionArgs, reply *string) error {
+	return c.client.Call("IpcHandler.PutDescription", &args, reply)
+}
+
+func (c *SmegmeshIpc) PutAlias(args PutAliasArgs, reply *string) error {
+	return c.client.Call("IpcHandler.PutAlias", &args, reply)
+}
+
+func (c *SmegmeshIpc) PutService(args PutServiceArgs, reply *string) error {
+	return c.client.Call("IpcHandler.PutService", &args, reply)
+}
+
+func (c *SmegmeshIpc) DeleteService(args DeleteServiceArgs, reply *string) error {
+	return c.client.Call("IpcHandler.DeleteService", &args, reply)
+}
+
+func (c *SmegmeshIpc) Close() error {
+	return c.Close()
+}
 
 func RunIpcHandler(server MeshIpc) error {
 	if err := os.RemoveAll(SockAddr); err != nil {

pkg/lib/conv.go

@@ -7,6 +7,27 @@ func MapValues[K cmp.Ordered, V any](m map[K]V) []V {
 	return MapValuesWithExclude(m, map[K]struct{}{})
 }
 
+type MapItemsEntry[K cmp.Ordered, V any] struct {
+	Key   K
+	Value V
+}
+
+func MapItems[K cmp.Ordered, V any](m map[K]V) []MapItemsEntry[K, V] {
+	keys := MapKeys(m)
+	values := MapValues(m)
+
+	vs := make([]MapItemsEntry[K, V], len(keys))
+
+	for index, _ := range keys {
+		vs[index] = MapItemsEntry[K, V]{
+			Key:   keys[index],
+			Value: values[index],
+		}
+	}
+
+	return vs
+}
+
 func MapValuesWithExclude[K cmp.Ordered, V any](m map[K]V, exclude map[K]struct{}) []V {
 	values := make([]V, len(m)-len(exclude))
 

pkg/lib/id.go

@@ -3,6 +3,7 @@ package lib
 import (
 	"github.com/anandvarma/namegen"
 	"github.com/google/uuid"
+	"github.com/lithammer/shortuuid"
 )
 
 // IdGenerator generates unique ids
@@ -19,6 +20,14 @@ func (g *UUIDGenerator) GetId() (string, error) {
 	return id.String(), nil
 }
 
+type ShortIDGenerator struct {
+}
+
+func (g *ShortIDGenerator) GetId() (string, error) {
+	id := shortuuid.New()
+	return id, nil
+}
+
 type IDNameGenerator struct {
 }
 

pkg/lib/rtnetlink.go

@@ -6,7 +6,7 @@ import (
 	"net"
 
 	"github.com/jsimonetti/rtnetlink"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
 	"golang.org/x/sys/unix"
 )
 
@@ -140,26 +140,38 @@ func (c *RtNetlinkConfig) AddRoute(ifName string, route Route) error {
 		family = unix.AF_INET
 	}
 
-	attr := rtnetlink.RouteAttributes{
+	routes, err := c.listRoutes(ifName, family)
-		Dst:      dst.IP,
-		OutIface: uint32(iface.Index),
-		Gateway:  gw,
-	}
-
-	ones, _ := dst.Mask.Size()
-
-	err = c.conn.Route.Replace(&rtnetlink.RouteMessage{
-		Family:     family,
-		Table:      unix.RT_TABLE_MAIN,
-		Protocol:   unix.RTPROT_BOOT,
-		Scope:      unix.RT_SCOPE_LINK,
-		Type:       unix.RTN_UNICAST,
-		DstLength:  uint8(ones),
-		Attributes: attr,
-	})
 
 	if err != nil {
-		return fmt.Errorf("failed to add route %w", err)
+		return err
+	}
+
+	// If it already exists no need to add the route
+	if !Contains(routes, func(prevRoute rtnetlink.RouteMessage) bool {
+		return prevRoute.Attributes.Dst.Equal(route.Destination.IP) &&
+			prevRoute.Attributes.Gateway.Equal(route.Gateway)
+	}) {
+		attr := rtnetlink.RouteAttributes{
+			Dst:      dst.IP,
+			OutIface: uint32(iface.Index),
+			Gateway:  gw,
+		}
+
+		ones, _ := dst.Mask.Size()
+
+		err = c.conn.Route.Replace(&rtnetlink.RouteMessage{
+			Family:     family,
+			Table:      unix.RT_TABLE_MAIN,
+			Protocol:   unix.RTPROT_BOOT,
+			Scope:      unix.RT_SCOPE_LINK,
+			Type:       unix.RTN_UNICAST,
+			DstLength:  uint8(ones),
+			Attributes: attr,
+		})
+
+		if err != nil {
+			return fmt.Errorf("failed to add route %w", err)
+		}
 	}
 
 	return nil
@@ -213,8 +225,11 @@ type Route struct {
 }
 
 func (r1 Route) equal(r2 Route) bool {
+	mask1Ones, _ := r1.Destination.Mask.Size()
+	mask2Ones, _ := r2.Destination.Mask.Size()
+
 	return r1.Gateway.String() == r2.Gateway.String() &&
-		r1.Destination.String() == r2.Destination.String()
+		(mask1Ones == 0 && mask2Ones == 0 || r1.Destination.IP.Equal(r2.Destination.IP))
 }
 
 // DeleteRoutes deletes all routes not in exclude
@@ -245,18 +260,11 @@ func (c *RtNetlinkConfig) DeleteRoutes(ifName string, family uint8, exclude ...R
 
 	shouldExclude := func(r Route) bool {
 		for _, route := range exclude {
-			if route.equal(r) {
+			if r.equal(route) {
-				return false
-			}
-
-			if family == unix.AF_INET && route.Destination.IP.To4() == nil {
-				return false
-			}
-
-			if family == unix.AF_INET6 && route.Destination.IP.To16() == nil {
 				return false
 			}
 		}
+
 		return true
 	}
 

pkg/lib/stats.go

@@ -1,40 +0,0 @@
-// lib contains helper functions for the implementation
-package lib
-
-import (
-	"cmp"
-	"math"
-
-	"gonum.org/v1/gonum/stat"
-	"gonum.org/v1/gonum/stat/distuv"
-)
-
-// Modelling the distribution using a normal distribution get the count
-// of the outliers
-func GetOutliers[K cmp.Ordered](counts map[K]uint64, alpha float64) []K {
-	n := float64(len(counts))
-
-	keys := MapKeys(counts)
-	values := make([]float64, len(keys))
-
-	for index, key := range keys {
-		values[index] = float64(counts[key])
-	}
-
-	mean := stat.Mean(values, nil)
-	stdDev := stat.StdDev(values, nil)
-
-	moe := distuv.Normal{Mu: 0, Sigma: 1}.Quantile(1-alpha/2) * (stdDev / math.Sqrt(n))
-
-	lowerBound := mean - moe
-
-	var outliers []K
-
-	for i, count := range values {
-		if count < lowerBound {
-			outliers = append(outliers, keys[i])
-		}
-	}
-
-	return outliers
-}

pkg/mesh/alias.go

@@ -1,46 +0,0 @@
-package mesh
-
-import (
-	"fmt"
-
-	"github.com/tim-beatham/wgmesh/pkg/hosts"
-)
-
-type MeshAliasManager interface {
-	AddAliases(nodes []MeshNode)
-	RemoveAliases(node []MeshNode)
-}
-
-type AliasManager struct {
-	hosts hosts.HostsManipulator
-}
-
-// AddAliases: on node update or change add aliases to the hosts file
-func (a *AliasManager) AddAliases(nodes []MeshNode) {
-	for _, node := range nodes {
-		if node.GetAlias() != "" {
-			a.hosts.AddAddr(hosts.HostsEntry{
-				Alias: fmt.Sprintf("%s.smeg", node.GetAlias()),
-				Ip:    node.GetWgHost().IP,
-			})
-		}
-	}
-}
-
-// RemoveAliases: on node remove remove aliases from the hosts file
-func (a *AliasManager) RemoveAliases(nodes []MeshNode) {
-	for _, node := range nodes {
-		if node.GetAlias() != "" {
-			a.hosts.Remove(hosts.HostsEntry{
-				Alias: fmt.Sprintf("%s.smeg", node.GetAlias()),
-				Ip:    node.GetWgHost().IP,
-			})
-		}
-	}
-}
-
-func NewAliasManager() MeshAliasManager {
-	return &AliasManager{
-		hosts: hosts.NewHostsManipulator(),
-	}
-}

pkg/mesh/config.go

@@ -7,11 +7,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/ip"
+	"github.com/tim-beatham/smegmesh/pkg/ip"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	"github.com/tim-beatham/smegmesh/pkg/route"
-	"github.com/tim-beatham/wgmesh/pkg/route"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
@@ -25,8 +24,8 @@ type MeshConfigApplyer interface {
 // WgMeshConfigApplyer applies WireGuard configuration
 type WgMeshConfigApplyer struct {
 	meshManager    MeshManager
-	config         *conf.WgMeshConfiguration
 	routeInstaller route.RouteInstaller
+	hashFunc       func(MeshNode) int
 }
 
 type routeNode struct {
@@ -34,49 +33,44 @@ type routeNode struct {
 	route   Route
 }
 
-func (m *WgMeshConfigApplyer) convertMeshNode(node MeshNode, device *wgtypes.Device,
+type convertMeshNodeParams struct {
-	peerToClients map[string][]net.IPNet,
+	node          MeshNode
-	routes map[string][]routeNode) (*wgtypes.PeerConfig, error) {
+	self          MeshNode
+	mesh          MeshProvider
+	device        *wgtypes.Device
+	peerToClients map[string][]net.IPNet
+	routes        map[string][]routeNode
+}
 
-	endpoint, err := net.ResolveUDPAddr("udp", node.GetWgEndpoint())
+func (m *WgMeshConfigApplyer) convertMeshNode(params convertMeshNodeParams) (*wgtypes.PeerConfig, error) {
-
+	pubKey, err := params.node.GetPublicKey()
-	if err != nil {
-		return nil, err
-	}
-
-	pubKey, err := node.GetPublicKey()
 
 	if err != nil {
 		return nil, err
 	}
 
 	allowedips := make([]net.IPNet, 1)
-	allowedips[0] = *node.GetWgHost()
+	allowedips[0] = *params.node.GetWgHost()
 
-	clients, ok := peerToClients[pubKey.String()]
+	clients, ok := params.peerToClients[pubKey.String()]
 
 	if ok {
 		allowedips = append(allowedips, clients...)
 	}
 
-	for _, route := range node.GetRoutes() {
+	for _, route := range params.node.GetRoutes() {
-		bestRoutes := routes[route.GetDestination().String()]
+		bestRoutes := params.routes[route.GetDestination().String()]
 		var pickedRoute routeNode
 
 		if len(bestRoutes) == 1 {
 			pickedRoute = bestRoutes[0]
 		} else if len(bestRoutes) > 1 {
-			keyFunc := func(mn MeshNode) int {
-				pubKey, _ := mn.GetPublicKey()
-				return lib.HashString(pubKey.String())
-			}
-
 			bucketFunc := func(rn routeNode) int {
 				return lib.HashString(rn.gateway)
 			}
 
 			// Else there is more than one candidate so consistently hash
-			pickedRoute = lib.ConsistentHash(bestRoutes, node, bucketFunc, keyFunc)
+			pickedRoute = lib.ConsistentHash(bestRoutes, params.self, bucketFunc, m.hashFunc)
 		}
 
 		if pickedRoute.gateway == pubKey.String() {
@@ -84,15 +78,32 @@ func (m *WgMeshConfigApplyer) convertMeshNode(node MeshNode, device *wgtypes.Dev
 		}
 	}
 
-	keepAlive := time.Duration(m.config.KeepAliveWg) * time.Second
+	config := params.mesh.GetConfiguration()
 
-	existing := slices.IndexFunc(device.Peers, func(p wgtypes.Peer) bool {
+	var keepAlive time.Duration = time.Duration(0)
-		pubKey, _ := node.GetPublicKey()
+
+	if config.KeepAliveWg != nil {
+		keepAlive = time.Duration(*config.KeepAliveWg) * time.Second
+	}
+
+	existing := slices.IndexFunc(params.device.Peers, func(p wgtypes.Peer) bool {
+		pubKey, _ := params.node.GetPublicKey()
 		return p.PublicKey.String() == pubKey.String()
 	})
 
+	var endpoint *net.UDPAddr = nil
+
+	if params.node.GetType() == conf.PEER_ROLE {
+		endpoint, err = net.ResolveUDPAddr("udp", params.node.GetWgEndpoint())
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	// Don't override the existing IP in case it already exists
 	if existing != -1 {
-		endpoint = device.Peers[existing].Endpoint
+		endpoint = params.device.Peers[existing].Endpoint
 	}
 
 	peerConfig := wgtypes.PeerConfig{
@@ -108,11 +119,14 @@ func (m *WgMeshConfigApplyer) convertMeshNode(node MeshNode, device *wgtypes.Dev
 
 // getRoutes: finds the routes with the least hop distance. If more than one route exists
 // consistently hash to evenly spread the distribution of traffic
-func (m *WgMeshConfigApplyer) getRoutes(meshProvider MeshProvider) map[string][]routeNode {
+func (m *WgMeshConfigApplyer) getRoutes(meshProvider MeshProvider) (map[string][]routeNode, error) {
 	mesh, _ := meshProvider.GetMesh()
-
 	routes := make(map[string][]routeNode)
 
+	peers := lib.Filter(lib.MapValues(mesh.GetNodes()), func(p MeshNode) bool {
+		return p.GetType() == conf.PEER_ROLE
+	})
+
 	meshPrefixes := lib.Map(lib.MapValues(m.meshManager.GetMeshes()), func(mesh MeshProvider) *net.IPNet {
 		ula := &ip.ULABuilder{}
 		ipNet, _ := ula.GetIPNet(mesh.GetMeshId())
@@ -124,10 +138,7 @@ func (m *WgMeshConfigApplyer) getRoutes(meshProvider MeshProvider) map[string][]
 
 		for _, route := range node.GetRoutes() {
 			if lib.Contains(meshPrefixes, func(prefix *net.IPNet) bool {
-				v6Default, _, _ := net.ParseCIDR("::/0")
+				if prefix.IP.Equal(net.IPv6zero) && *meshProvider.GetConfiguration().AdvertiseDefaultRoute {
-				v4Default, _, _ := net.ParseCIDR("0.0.0.0/0")
-
-				if (prefix.IP.Equal(v6Default) || prefix.IP.Equal(v4Default)) && m.config.AdvertiseDefaultRoute {
 					return true
 				}
 
@@ -144,6 +155,26 @@ func (m *WgMeshConfigApplyer) getRoutes(meshProvider MeshProvider) map[string][]
 				route:   route,
 			}
 
+			// Client's only acessible by another peer
+			if node.GetType() == conf.CLIENT_ROLE {
+				peer := m.getCorrespondingPeer(peers, node)
+				self, err := meshProvider.GetNode(m.meshManager.GetPublicKey().String())
+
+				if err != nil {
+					return nil, err
+				}
+
+				if !NodeEquals(peer, self) {
+					peerPub, _ := peer.GetPublicKey()
+					rn.gateway = peerPub.String()
+					rn.route = &RouteStub{
+						Destination: rn.route.GetDestination(),
+						HopCount:    rn.route.GetHopCount() + 1,
+						Path:        append(rn.route.GetPath(), peer.GetWgHost().IP.String()),
+					}
+				}
+			}
+
 			if !ok {
 				otherRoute = make([]routeNode, 1)
 				otherRoute[0] = rn
@@ -151,47 +182,72 @@ func (m *WgMeshConfigApplyer) getRoutes(meshProvider MeshProvider) map[string][]
 			} else if route.GetHopCount() < otherRoute[0].route.GetHopCount() {
 				otherRoute[0] = rn
 			} else if otherRoute[0].route.GetHopCount() == route.GetHopCount() {
-				logging.Log.WriteInfof("Other Route Hop: %d", otherRoute[0].route.GetHopCount())
-				logging.Log.WriteInfof("Route gateway %s, route hop %d", rn.gateway, route.GetHopCount())
 				routes[destination] = append(otherRoute, rn)
 			}
 		}
 	}
 
-	return routes
+	return routes, nil
 }
 
 // getCorrespondignPeer: gets the peer corresponding to the client
 func (m *WgMeshConfigApplyer) getCorrespondingPeer(peers []MeshNode, client MeshNode) MeshNode {
-	hashFunc := func(mn MeshNode) int {
+	peer := lib.ConsistentHash(peers, client, m.hashFunc, m.hashFunc)
-		pubKey, _ := mn.GetPublicKey()
-		return lib.HashString(pubKey.String())
-	}
-
-	peer := lib.ConsistentHash(peers, client, hashFunc, hashFunc)
 	return peer
 }
 
-func (m *WgMeshConfigApplyer) getClientConfig(mesh MeshProvider, peers []MeshNode, clients []MeshNode, dev *wgtypes.Device) (*wgtypes.Config, error) {
+func (m *WgMeshConfigApplyer) getPeerCfgsToRemove(dev *wgtypes.Device, newPeers []wgtypes.PeerConfig) []wgtypes.PeerConfig {
-	self, err := m.meshManager.GetSelf(mesh.GetMeshId())
+	peers := dev.Peers
-	ula := &ip.ULABuilder{}
+	peers = lib.Filter(peers, func(p1 wgtypes.Peer) bool {
-	meshNet, _ := ula.GetIPNet(mesh.GetMeshId())
+		return !lib.Contains(newPeers, func(p2 wgtypes.PeerConfig) bool {
+			return p1.PublicKey.String() == p2.PublicKey.String()
+		})
+	})
 
-	routes := lib.Map(lib.MapKeys(m.getRoutes(mesh)), func(destination string) net.IPNet {
+	return lib.Map(peers, func(p wgtypes.Peer) wgtypes.PeerConfig {
-		_, ipNet, _ := net.ParseCIDR(destination)
+		return wgtypes.PeerConfig{
-		return *ipNet
+			PublicKey: p.PublicKey,
+			Remove:    true,
+		}
+	})
+}
+
+type GetConfigParams struct {
+	mesh    MeshProvider
+	peers   []MeshNode
+	clients []MeshNode
+	dev     *wgtypes.Device
+	routes  map[string][]routeNode
+}
+
+func (m *WgMeshConfigApplyer) getClientConfig(params *GetConfigParams) (*wgtypes.Config, error) {
+	ula := &ip.ULABuilder{}
+	meshNet, _ := ula.GetIPNet(params.mesh.GetMeshId())
+
+	routesForMesh := lib.Map(lib.MapValues(params.routes), func(rns []routeNode) []routeNode {
+		return lib.Filter(rns, func(rn routeNode) bool {
+			ip, _, _ := net.ParseCIDR(rn.gateway)
+			return meshNet.Contains(ip)
+		})
+	})
+
+	routes := lib.Map(routesForMesh, func(rs []routeNode) net.IPNet {
+		return *rs[0].route.GetDestination()
 	})
 	routes = append(routes, *meshNet)
 
+	self, err := params.mesh.GetNode(m.meshManager.GetPublicKey().String())
+
 	if err != nil {
 		return nil, err
 	}
 
-	peer := m.getCorrespondingPeer(peers, self)
+	peer := m.getCorrespondingPeer(params.peers, self)
-
 	pubKey, _ := peer.GetPublicKey()
 
-	keepAlive := time.Duration(m.config.KeepAliveWg) * time.Second
+	config := params.mesh.GetConfiguration()
+
+	keepAlive := time.Duration(*config.KeepAliveWg) * time.Second
 	endpoint, err := net.ResolveUDPAddr("udp", peer.GetWgEndpoint())
 
 	if err != nil {
@@ -205,6 +261,7 @@ func (m *WgMeshConfigApplyer) getClientConfig(mesh MeshProvider, peers []MeshNod
 		Endpoint:                    endpoint,
 		PersistentKeepaliveInterval: &keepAlive,
 		AllowedIPs:                  routes,
+		ReplaceAllowedIPs:           true,
 	}
 
 	installedRoutes := make([]lib.Route, 0)
@@ -220,24 +277,43 @@ func (m *WgMeshConfigApplyer) getClientConfig(mesh MeshProvider, peers []MeshNod
 		Peers: peerCfgs,
 	}
 
-	m.routeInstaller.InstallRoutes(dev.Name, installedRoutes...)
+	m.routeInstaller.InstallRoutes(params.dev.Name, installedRoutes...)
 	return &cfg, err
 }
 
-func (m *WgMeshConfigApplyer) getPeerConfig(mesh MeshProvider, peers []MeshNode, clients []MeshNode, dev *wgtypes.Device) (*wgtypes.Config, error) {
+func (m *WgMeshConfigApplyer) getRoutesToInstall(wgNode *wgtypes.PeerConfig, mesh MeshProvider, node MeshNode) []lib.Route {
+	routes := make([]lib.Route, 0)
+
+	for _, route := range wgNode.AllowedIPs {
+		ula := &ip.ULABuilder{}
+		ipNet, _ := ula.GetIPNet(mesh.GetMeshId())
+
+		_, defaultRoute, _ := net.ParseCIDR("::/0")
+
+		if !ipNet.Contains(route.IP) && !ipNet.IP.Equal(defaultRoute.IP) {
+			routes = append(routes, lib.Route{
+				Gateway:     node.GetWgHost().IP,
+				Destination: route,
+			})
+		}
+	}
+
+	return routes
+}
+
+func (m *WgMeshConfigApplyer) getPeerConfig(params *GetConfigParams) (*wgtypes.Config, error) {
 	peerToClients := make(map[string][]net.IPNet)
-	routes := m.getRoutes(mesh)
 	installedRoutes := make([]lib.Route, 0)
 	peerConfigs := make([]wgtypes.PeerConfig, 0)
-	self, err := m.meshManager.GetSelf(mesh.GetMeshId())
+	self, err := params.mesh.GetNode(m.meshManager.GetPublicKey().String())
 
 	if err != nil {
 		return nil, err
 	}
 
-	for _, n := range clients {
+	for _, n := range params.clients {
-		if len(peers) > 0 {
+		if len(params.peers) > 0 {
-			peer := m.getCorrespondingPeer(peers, n)
+			peer := m.getCorrespondingPeer(params.peers, n)
 			pubKey, _ := peer.GetPublicKey()
 			clients, ok := peerToClients[pubKey.String()]
 
@@ -249,55 +325,56 @@ func (m *WgMeshConfigApplyer) getPeerConfig(mesh MeshProvider, peers []MeshNode,
 			peerToClients[pubKey.String()] = append(clients, *n.GetWgHost())
 
 			if NodeEquals(self, peer) {
-				cfg, err := m.convertMeshNode(n, dev, peerToClients, routes)
+				cfg, err := m.convertMeshNode(convertMeshNodeParams{
+					node:          n,
+					self:          self,
+					mesh:          params.mesh,
+					device:        params.dev,
+					peerToClients: peerToClients,
+					routes:        params.routes,
+				})
 
 				if err != nil {
 					return nil, err
 				}
 
+				installedRoutes = append(installedRoutes, m.getRoutesToInstall(cfg, params.mesh, n)...)
 				peerConfigs = append(peerConfigs, *cfg)
 			}
 		}
 	}
 
-	for _, n := range peers {
+	for _, n := range params.peers {
 		if NodeEquals(n, self) {
 			continue
 		}
 
-		peer, err := m.convertMeshNode(n, dev, peerToClients, routes)
+		peer, err := m.convertMeshNode(convertMeshNodeParams{
+			node:          n,
+			self:          self,
+			mesh:          params.mesh,
+			peerToClients: peerToClients,
+			routes:        params.routes,
+			device:        params.dev,
+		})
 
 		if err != nil {
 			return nil, err
 		}
 
-		for _, route := range peer.AllowedIPs {
+		installedRoutes = append(installedRoutes, m.getRoutesToInstall(peer, params.mesh, n)...)
-			ula := &ip.ULABuilder{}
-			ipNet, _ := ula.GetIPNet(mesh.GetMeshId())
-
-			_, defaultRoute, _ := net.ParseCIDR("::/0")
-
-			if !ipNet.Contains(route.IP) && !ipNet.IP.Equal(defaultRoute.IP) {
-				installedRoutes = append(installedRoutes, lib.Route{
-					Gateway:     n.GetWgHost().IP,
-					Destination: route,
-				})
-			}
-		}
-
 		peerConfigs = append(peerConfigs, *peer)
 	}
 
 	cfg := wgtypes.Config{
-		Peers:        peerConfigs,
+		Peers: peerConfigs,
-		ReplacePeers: true,
 	}
 
-	err = m.routeInstaller.InstallRoutes(dev.Name, installedRoutes...)
+	err = m.routeInstaller.InstallRoutes(params.dev.Name, installedRoutes...)
 	return &cfg, err
 }
 
-func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider) error {
+func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider, routes map[string][]routeNode) error {
 	snap, err := mesh.GetMesh()
 
 	if err != nil {
@@ -319,7 +396,7 @@ func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider) error {
 		return mn.GetType() == conf.CLIENT_ROLE
 	})
 
-	self, err := m.meshManager.GetSelf(mesh.GetMeshId())
+	self, err := mesh.GetNode(m.meshManager.GetPublicKey().String())
 
 	if err != nil {
 		return err
@@ -327,17 +404,28 @@ func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider) error {
 
 	var cfg *wgtypes.Config = nil
 
+	configParams := &GetConfigParams{
+		mesh:    mesh,
+		peers:   peers,
+		clients: clients,
+		dev:     dev,
+		routes:  routes,
+	}
+
 	switch self.GetType() {
 	case conf.PEER_ROLE:
-		cfg, err = m.getPeerConfig(mesh, peers, clients, dev)
+		cfg, err = m.getPeerConfig(configParams)
 	case conf.CLIENT_ROLE:
-		cfg, err = m.getClientConfig(mesh, peers, clients, dev)
+		cfg, err = m.getClientConfig(configParams)
 	}
 
 	if err != nil {
 		return err
 	}
 
+	toRemove := m.getPeerCfgsToRemove(dev, cfg.Peers)
+	cfg.Peers = append(cfg.Peers, toRemove...)
+
 	err = m.meshManager.GetClient().ConfigureDevice(dev.Name, *cfg)
 
 	if err != nil {
@@ -347,9 +435,44 @@ func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider) error {
 	return nil
 }
 
-func (m *WgMeshConfigApplyer) ApplyConfig() error {
+func (m *WgMeshConfigApplyer) getAllRoutes() (map[string][]routeNode, error) {
+	allRoutes := make(map[string][]routeNode)
+
 	for _, mesh := range m.meshManager.GetMeshes() {
-		err := m.updateWgConf(mesh)
+		routes, err := m.getRoutes(mesh)
+
+		if err != nil {
+			return nil, err
+		}
+
+		for destination, route := range routes {
+			_, ok := allRoutes[destination]
+
+			if !ok {
+				allRoutes[destination] = route
+				continue
+			}
+
+			if allRoutes[destination][0].route.GetHopCount() == route[0].route.GetHopCount() {
+				allRoutes[destination] = append(allRoutes[destination], route...)
+			} else if route[0].route.GetHopCount() < allRoutes[destination][0].route.GetHopCount() {
+				allRoutes[destination] = route
+			}
+		}
+	}
+
+	return allRoutes, nil
+}
+
+func (m *WgMeshConfigApplyer) ApplyConfig() error {
+	allRoutes, err := m.getAllRoutes()
+
+	if err != nil {
+		return err
+	}
+
+	for _, mesh := range m.meshManager.GetMeshes() {
+		err := m.updateWgConf(mesh, allRoutes)
 
 		if err != nil {
 			return err
@@ -384,9 +507,12 @@ func (m *WgMeshConfigApplyer) SetMeshManager(manager MeshManager) {
 	m.meshManager = manager
 }
 
-func NewWgMeshConfigApplyer(config *conf.WgMeshConfiguration) MeshConfigApplyer {
+func NewWgMeshConfigApplyer() MeshConfigApplyer {
 	return &WgMeshConfigApplyer{
-		config:         config,
 		routeInstaller: route.NewRouteInstaller(),
+		hashFunc: func(mn MeshNode) int {
+			pubKey, _ := mn.GetPublicKey()
+			return lib.HashString(pubKey.String())
+		},
 	}
 }

pkg/mesh/graph.go

@@ -1,77 +0,0 @@
-package mesh
-
-import (
-	"errors"
-	"fmt"
-
-	"github.com/tim-beatham/wgmesh/pkg/graph"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
-)
-
-// MeshGraphConverter converts a mesh to a graph
-type MeshGraphConverter interface {
-	// convert the mesh to textual form
-	Generate(meshId string) (string, error)
-}
-
-type MeshDOTConverter struct {
-	manager MeshManager
-}
-
-func (c *MeshDOTConverter) Generate(meshId string) (string, error) {
-	mesh := c.manager.GetMesh(meshId)
-
-	if mesh == nil {
-		return "", errors.New("mesh does not exist")
-	}
-
-	g := graph.NewGraph(meshId, graph.GRAPH)
-
-	snapshot, err := mesh.GetMesh()
-
-	if err != nil {
-		return "", err
-	}
-
-	for _, node := range snapshot.GetNodes() {
-		c.graphNode(g, node, meshId)
-	}
-
-	nodes := lib.MapValues(snapshot.GetNodes())
-
-	for i, node1 := range nodes[:len(nodes)-1] {
-		for _, node2 := range nodes[i+1:] {
-			if node1.GetWgEndpoint() == node2.GetWgEndpoint() {
-				continue
-			}
-
-			node1Id := fmt.Sprintf("\"%s\"", node1.GetIdentifier())
-			node2Id := fmt.Sprintf("\"%s\"", node2.GetIdentifier())
-			g.AddEdge(fmt.Sprintf("%s to %s", node1Id, node2Id), node1Id, node2Id)
-		}
-	}
-
-	return g.GetDOT()
-}
-
-// graphNode: graphs a node within the mesh
-func (c *MeshDOTConverter) graphNode(g *graph.Graph, node MeshNode, meshId string) {
-	nodeId := fmt.Sprintf("\"%s\"", node.GetIdentifier())
-	g.PutNode(nodeId, graph.CIRCLE)
-
-	self, _ := c.manager.GetSelf(meshId)
-
-	if NodeEquals(self, node) {
-		return
-	}
-
-	for _, route := range node.GetRoutes() {
-		routeId := fmt.Sprintf("\"%s\"", route)
-		g.PutNode(routeId, graph.HEXAGON)
-		g.AddEdge(fmt.Sprintf("%s to %s", nodeId, routeId), nodeId, routeId)
-	}
-}
-
-func NewMeshDotConverter(m MeshManager) MeshGraphConverter {
-	return &MeshDOTConverter{manager: m}
-}

pkg/mesh/manager.go

@@ -3,18 +3,21 @@ package mesh
 import (
 	"errors"
 	"fmt"
+	"net"
 	"sync"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/cmd"
-	"github.com/tim-beatham/wgmesh/pkg/ip"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/ip"
-	"github.com/tim-beatham/wgmesh/pkg/wg"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
+	"github.com/tim-beatham/smegmesh/pkg/wg"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
 type MeshManager interface {
-	CreateMesh(port int) (string, error)
+	CreateMesh(params *CreateMeshParams) (string, error)
 	AddMesh(params *AddMeshParams) error
 	HasChanges(meshid string) bool
 	GetMesh(meshId string) MeshProvider
@@ -23,16 +26,14 @@ type MeshManager interface {
 	LeaveMesh(meshId string) error
 	GetSelf(meshId string) (MeshNode, error)
 	ApplyConfig() error
-	SetDescription(description string) error
+	SetDescription(meshId, description string) error
-	SetAlias(alias string) error
+	SetAlias(meshId, alias string) error
-	SetService(service string, value string) error
+	SetService(meshId, service, value string) error
-	RemoveService(service string) error
+	RemoveService(meshId, service string) error
 	UpdateTimeStamp() error
 	GetClient() *wgctrl.Client
 	GetMeshes() map[string]MeshProvider
-	Prune() error
 	Close() error
-	GetMonitor() MeshMonitor
 	GetNode(string, string) MeshNode
 	GetRouteManager() RouteManager
 }
@@ -45,14 +46,14 @@ type MeshManagerImpl struct {
 	// HostParameters contains information that uniquely locates
 	// the node in the mesh network.
 	HostParameters       *HostParameters
-	conf                 *conf.WgMeshConfiguration
+	conf                 *conf.DaemonConfiguration
 	meshProviderFactory  MeshProviderFactory
 	nodeFactory          MeshNodeFactory
 	configApplyer        MeshConfigApplyer
 	idGenerator          lib.IdGenerator
 	ipAllocator          ip.IPAllocator
 	interfaceManipulator wg.WgInterfaceManipulator
-	Monitor              MeshMonitor
+	cmdRunner            cmd.CmdRunner
 	OnDelete             func(MeshProvider)
 }
 
@@ -62,29 +63,33 @@ func (m *MeshManagerImpl) GetRouteManager() RouteManager {
 }
 
 // RemoveService implements MeshManager.
-func (m *MeshManagerImpl) RemoveService(service string) error {
+func (m *MeshManagerImpl) RemoveService(meshId, service string) error {
-	for _, mesh := range m.Meshes {
+	mesh := m.GetMesh(meshId)
-		err := mesh.RemoveService(m.HostParameters.GetPublicKey(), service)
 
-		if err != nil {
+	if mesh == nil {
-			return err
+		return fmt.Errorf("mesh %s does not exist", meshId)
-		}
 	}
 
-	return nil
+	if !mesh.NodeExists(m.HostParameters.GetPublicKey()) {
+		return fmt.Errorf("node %s does not exist in the mesh", meshId)
+	}
+
+	return mesh.RemoveService(m.HostParameters.GetPublicKey(), service)
 }
 
 // SetService implements MeshManager.
-func (m *MeshManagerImpl) SetService(service string, value string) error {
+func (m *MeshManagerImpl) SetService(meshId, service, value string) error {
-	for _, mesh := range m.Meshes {
+	mesh := m.GetMesh(meshId)
-		err := mesh.AddService(m.HostParameters.GetPublicKey(), service, value)
 
-		if err != nil {
+	if mesh == nil {
-			return err
+		return fmt.Errorf("mesh %s does not exist", meshId)
-		}
 	}
 
-	return nil
+	if !mesh.NodeExists(m.HostParameters.GetPublicKey()) {
+		return fmt.Errorf("node %s does not exist in the mesh", meshId)
+	}
+
+	return mesh.AddService(m.HostParameters.GetPublicKey(), service, value)
 }
 
 func (m *MeshManagerImpl) GetNode(meshid, nodeId string) MeshNode {
@@ -103,26 +108,42 @@ func (m *MeshManagerImpl) GetNode(meshid, nodeId string) MeshNode {
 	return node
 }
 
-// GetMonitor implements MeshManager.
+// CreateMeshParams contains the parameters required to create a mesh
-func (m *MeshManagerImpl) GetMonitor() MeshMonitor {
+type CreateMeshParams struct {
-	return m.Monitor
+	Port int
+	Conf *conf.WgConfiguration
 }
 
-// Prune implements MeshManager.
+// getConf: gets the new configuration with the base configuration overriden
-func (m *MeshManagerImpl) Prune() error {
+// from the recent
-	for _, mesh := range m.Meshes {
+func (m *MeshManagerImpl) getConf(override *conf.WgConfiguration) (*conf.WgConfiguration, error) {
-		err := mesh.Prune()
+	meshConfiguration := m.conf.BaseConfiguration
+
+	if override != nil {
+		newConf, err := conf.MergeMeshConfiguration(meshConfiguration, *override)
 
 		if err != nil {
-			return err
+			return nil, err
 		}
+
+		meshConfiguration = newConf
 	}
 
-	return nil
+	return &meshConfiguration, nil
 }
 
 // CreateMesh: Creates a new mesh, stores it and returns the mesh id
-func (m *MeshManagerImpl) CreateMesh(port int) (string, error) {
+func (m *MeshManagerImpl) CreateMesh(args *CreateMeshParams) (string, error) {
+	meshConfiguration, err := m.getConf(args.Conf)
+
+	if err != nil {
+		return "", err
+	}
+
+	if *meshConfiguration.Role == conf.CLIENT_ROLE {
+		return "", fmt.Errorf("cannot create mesh as a client")
+	}
+
 	meshId, err := m.idGenerator.GetId()
 
 	var ifName string = ""
@@ -131,8 +152,10 @@ func (m *MeshManagerImpl) CreateMesh(port int) (string, error) {
 		return "", err
 	}
 
+	m.cmdRunner.RunCommands(m.conf.BaseConfiguration.PreUp...)
+
 	if !m.conf.StubWg {
-		ifName, err = m.interfaceManipulator.CreateInterface(port, m.HostParameters.PrivateKey)
+		ifName, err = m.interfaceManipulator.CreateInterface(args.Port, m.HostParameters.PrivateKey)
 
 		if err != nil {
 			return "", fmt.Errorf("error creating mesh: %w", err)
@@ -140,12 +163,13 @@ func (m *MeshManagerImpl) CreateMesh(port int) (string, error) {
 	}
 
 	nodeManager, err := m.meshProviderFactory.CreateMesh(&MeshProviderFactoryParams{
-		DevName: ifName,
+		DevName:    ifName,
-		Port:    port,
+		Port:       args.Port,
-		Conf:    m.conf,
+		Conf:       meshConfiguration,
-		Client:  m.Client,
+		Client:     m.Client,
-		MeshId:  meshId,
+		MeshId:     meshId,
-		NodeID:  m.HostParameters.GetPublicKey(),
+		DaemonConf: m.conf,
+		NodeID:     m.HostParameters.GetPublicKey(),
 	})
 
 	if err != nil {
@@ -155,6 +179,9 @@ func (m *MeshManagerImpl) CreateMesh(port int) (string, error) {
 	m.lock.Lock()
 	m.Meshes[meshId] = nodeManager
 	m.lock.Unlock()
+
+	m.cmdRunner.RunCommands(m.conf.BaseConfiguration.PostUp...)
+
 	return meshId, nil
 }
 
@@ -162,6 +189,7 @@ type AddMeshParams struct {
 	MeshId    string
 	WgPort    int
 	MeshBytes []byte
+	Conf      *conf.WgConfiguration
 }
 
 // AddMesh: Add the mesh to the list of meshes
@@ -169,6 +197,14 @@ func (m *MeshManagerImpl) AddMesh(params *AddMeshParams) error {
 	var ifName string
 	var err error
 
+	meshConfiguration, err := m.getConf(params.Conf)
+
+	if err != nil {
+		return err
+	}
+
+	m.cmdRunner.RunCommands(meshConfiguration.PreUp...)
+
 	if !m.conf.StubWg {
 		ifName, err = m.interfaceManipulator.CreateInterface(params.WgPort, m.HostParameters.PrivateKey)
 
@@ -178,14 +214,17 @@ func (m *MeshManagerImpl) AddMesh(params *AddMeshParams) error {
 	}
 
 	meshProvider, err := m.meshProviderFactory.CreateMesh(&MeshProviderFactoryParams{
-		DevName: ifName,
+		DevName:    ifName,
-		Port:    params.WgPort,
+		Port:       params.WgPort,
-		Conf:    m.conf,
+		Conf:       meshConfiguration,
-		Client:  m.Client,
+		Client:     m.Client,
-		MeshId:  params.MeshId,
+		MeshId:     params.MeshId,
-		NodeID:  m.HostParameters.GetPublicKey(),
+		DaemonConf: m.conf,
+		NodeID:     m.HostParameters.GetPublicKey(),
 	})
 
+	m.cmdRunner.RunCommands(meshConfiguration.PostUp...)
+
 	if err != nil {
 		return err
 	}
@@ -248,17 +287,44 @@ func (s *MeshManagerImpl) AddSelf(params *AddSelfParams) error {
 
 	pubKey := s.HostParameters.PrivateKey.PublicKey()
 
-	nodeIP, err := s.ipAllocator.GetIP(pubKey, params.MeshId)
+	collisionCount := uint8(0)
 
-	if err != nil {
+	var nodeIP net.IP
-		return err
+
+	// Perform Duplicate Address Detection with the nodes
+	// that are already in the network
+	for {
+		generatedIP, err := s.ipAllocator.GetIP(pubKey, params.MeshId, collisionCount)
+
+		if err != nil {
+			return err
+		}
+
+		snapshot, err := mesh.GetMesh()
+
+		if err != nil {
+			return err
+		}
+
+		proposition := func(node MeshNode) bool {
+			ipNet := node.GetWgHost()
+			return ipNet.IP.Equal(nodeIP)
+		}
+
+		if lib.Contains(lib.MapValues(snapshot.GetNodes()), proposition) {
+			collisionCount++
+		} else {
+			nodeIP = generatedIP
+			break
+		}
 	}
 
 	node := s.nodeFactory.Build(&MeshNodeFactoryParams{
-		PublicKey: &pubKey,
+		PublicKey:  &pubKey,
-		NodeIP:    nodeIP,
+		NodeIP:     nodeIP,
-		WgPort:    params.WgPort,
+		WgPort:     params.WgPort,
-		Endpoint:  params.Endpoint,
+		Endpoint:   params.Endpoint,
+		MeshConfig: mesh.GetConfiguration(),
 	})
 
 	if !s.conf.StubWg {
@@ -276,7 +342,7 @@ func (s *MeshManagerImpl) AddSelf(params *AddSelfParams) error {
 	}
 
 	s.Meshes[params.MeshId].AddNode(node)
-	return s.RouteManager.UpdateRoutes()
+	return nil
 }
 
 // LeaveMesh leaves the mesh network
@@ -287,13 +353,10 @@ func (s *MeshManagerImpl) LeaveMesh(meshId string) error {
 		return fmt.Errorf("mesh %s does not exist", meshId)
 	}
 
-	var err error
+	err := mesh.RemoveNode(s.HostParameters.GetPublicKey())
-
-	s.RouteManager.RemoveRoutes(meshId)
-	err = mesh.RemoveNode(s.HostParameters.GetPublicKey())
 
 	if err != nil {
-		return err
+		logging.Log.WriteErrorf(err.Error())
 	}
 
 	if s.OnDelete != nil {
@@ -304,6 +367,8 @@ func (s *MeshManagerImpl) LeaveMesh(meshId string) error {
 	delete(s.Meshes, meshId)
 	s.lock.Unlock()
 
+	s.cmdRunner.RunCommands(s.conf.BaseConfiguration.PreDown...)
+
 	if !s.conf.StubWg {
 		device, err := mesh.GetDevice()
 
@@ -318,6 +383,7 @@ func (s *MeshManagerImpl) LeaveMesh(meshId string) error {
 		}
 	}
 
+	s.cmdRunner.RunCommands(s.conf.BaseConfiguration.PostDown...)
 	return err
 }
 
@@ -342,43 +408,36 @@ func (s *MeshManagerImpl) ApplyConfig() error {
 		return nil
 	}
 
-	err := s.configApplyer.ApplyConfig()
+	return s.configApplyer.ApplyConfig()
-
-	if err != nil {
-		return err
-	}
-
-	return nil
 }
 
-func (s *MeshManagerImpl) SetDescription(description string) error {
+func (s *MeshManagerImpl) SetDescription(meshId, description string) error {
-	meshes := s.GetMeshes()
+	mesh := s.GetMesh(meshId)
-	for _, mesh := range meshes {
-		if mesh.NodeExists(s.HostParameters.GetPublicKey()) {
-			err := mesh.SetDescription(s.HostParameters.GetPublicKey(), description)
 
-			if err != nil {
+	if mesh == nil {
-				return err
+		return fmt.Errorf("mesh %s does not exist", meshId)
-			}
-		}
 	}
 
-	return nil
+	if !mesh.NodeExists(s.HostParameters.GetPublicKey()) {
+		return fmt.Errorf("node %s does not exist in the mesh", meshId)
+	}
+
+	return mesh.SetDescription(s.HostParameters.GetPublicKey(), description)
 }
 
 // SetAlias implements MeshManager.
-func (s *MeshManagerImpl) SetAlias(alias string) error {
+func (s *MeshManagerImpl) SetAlias(meshId, alias string) error {
-	meshes := s.GetMeshes()
+	mesh := s.GetMesh(meshId)
-	for _, mesh := range meshes {
-		if mesh.NodeExists(s.HostParameters.GetPublicKey()) {
-			err := mesh.SetAlias(s.HostParameters.GetPublicKey(), alias)
 
-			if err != nil {
+	if mesh == nil {
-				return err
+		return fmt.Errorf("mesh %s does not exist", meshId)
-			}
-		}
 	}
-	return nil
+
+	if !mesh.NodeExists(s.HostParameters.GetPublicKey()) {
+		return fmt.Errorf("node %s does not exist in the mesh", meshId)
+	}
+
+	return mesh.SetAlias(s.HostParameters.GetPublicKey(), alias)
 }
 
 // UpdateTimeStamp updates the timestamp of this node in all meshes
@@ -439,7 +498,7 @@ func (s *MeshManagerImpl) Close() error {
 
 // NewMeshManagerParams params required to create an instance of a mesh manager
 type NewMeshManagerParams struct {
-	Conf                 conf.WgMeshConfiguration
+	Conf                 conf.DaemonConfiguration
 	Client               *wgctrl.Client
 	MeshProvider         MeshProviderFactory
 	NodeFactory          MeshNodeFactory
@@ -448,6 +507,7 @@ type NewMeshManagerParams struct {
 	InterfaceManipulator wg.WgInterfaceManipulator
 	ConfigApplyer        MeshConfigApplyer
 	RouteManager         RouteManager
+	CommandRunner        cmd.CmdRunner
 	OnDelete             func(MeshProvider)
 }
 
@@ -471,18 +531,17 @@ func NewMeshManager(params *NewMeshManagerParams) MeshManager {
 	m.RouteManager = params.RouteManager
 
 	if m.RouteManager == nil {
-		m.RouteManager = NewRouteManager(m, &params.Conf)
+		m.RouteManager = NewRouteManager(m)
+	}
+
+	if params.CommandRunner == nil {
+		m.cmdRunner = &cmd.UnixCmdRunner{}
 	}
 
 	m.idGenerator = params.IdGenerator
 	m.ipAllocator = params.IPAllocator
 	m.interfaceManipulator = params.InterfaceManipulator
 
-	m.Monitor = NewMeshMonitor(m)
-
-	aliasManager := NewAliasManager()
-	m.Monitor.AddUpdateCallback(aliasManager.AddAliases)
-	m.Monitor.AddRemoveCallback(aliasManager.RemoveAliases)
 	m.OnDelete = params.OnDelete
 	return m
 }

pkg/mesh/manager_test.go

@@ -3,22 +3,39 @@ package mesh
 import (
 	"testing"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/ip"
+	"github.com/tim-beatham/smegmesh/pkg/ip"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	"github.com/tim-beatham/wgmesh/pkg/wg"
+	"github.com/tim-beatham/smegmesh/pkg/wg"
 )
 
-func getMeshConfiguration() *conf.WgMeshConfiguration {
+func getMeshConfiguration() *conf.DaemonConfiguration {
-	return &conf.WgMeshConfiguration{
+	advertiseRoutes := true
-		GrpcPort:           "8080",
+	advertiseDefaultRoute := true
-		Endpoint:           "abc.com",
+	ipDiscovery := conf.PUBLIC_IP_DISCOVERY
-		ClusterSize:        64,
+	role := conf.PEER_ROLE
-		SyncRate:           4,
+
-		BranchRate:         3,
+	return &conf.DaemonConfiguration{
-		InterClusterChance: 0.15,
+		GrpcPort:             8080,
-		InfectionCount:     2,
+		CertificatePath:      "./somecertificatepath",
-		KeepAliveTime:      60,
+		PrivateKeyPath:       "./someprivatekeypath",
+		CaCertificatePath:    "./somecacertificatepath",
+		SkipCertVerification: true,
+		Timeout:              5,
+		Profile:              false,
+		StubWg:               true,
+		SyncTime:             2,
+		HeartBeat:            60,
+		ClusterSize:          64,
+		InterClusterChance:   0.15,
+		BranchRate:           3,
+		InfectionCount:       3,
+		BaseConfiguration: conf.WgConfiguration{
+			IPDiscovery:           &ipDiscovery,
+			AdvertiseRoutes:       &advertiseRoutes,
+			AdvertiseDefaultRoute: &advertiseDefaultRoute,
+			Role:                  &role,
+		},
 	}
 }
 
@@ -41,7 +58,10 @@ func getMeshManager() MeshManager {
 func TestCreateMeshCreatesANewMeshProvider(t *testing.T) {
 	manager := getMeshManager()
 
-	meshId, err := manager.CreateMesh("wg0", 5000)
+	meshId, err := manager.CreateMesh(&CreateMeshParams{
+		Port: 0,
+		Conf: &conf.WgConfiguration{},
+	})
 
 	if err != nil {
 		t.Error(err)
@@ -128,7 +148,7 @@ func TestAddSelfAddsSelfToTheMesh(t *testing.T) {
 		t.Error(err)
 	}
 
-	_, ok := mesh.GetNodes()["abc.com"]
+	_, ok := mesh.GetNodes()[manager.GetPublicKey().String()]
 
 	if !ok {
 		t.Fatalf(`node has not been added`)
@@ -193,36 +213,80 @@ func TestLeaveMeshDeletesMesh(t *testing.T) {
 	}
 }
 
-func TestSetDescription(t *testing.T) {
+func TestSetAliasUpdatesAliasOfNode(t *testing.T) {
+	manager := getMeshManager()
+	alias := "Firpo"
+
+	meshId, _ := manager.CreateMesh(&CreateMeshParams{
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
+	manager.AddSelf(&AddSelfParams{
+		MeshId:   meshId,
+		WgPort:   5000,
+		Endpoint: "abc.com:8080",
+	})
+
+	err := manager.SetAlias(meshId, alias)
+
+	if err != nil {
+		t.Fatalf(`failed to set the alias`)
+	}
+
+	self, err := manager.GetSelf(meshId)
+
+	if err != nil {
+		t.Fatalf(`failed to set the alias err: %s`, err.Error())
+	}
+
+	if alias != self.GetAlias() {
+		t.Fatalf(`alias should be %s was %s`, alias, self.GetAlias())
+	}
+}
+
+func TestSetDescriptionSetsTheDescriptionOfTheNode(t *testing.T) {
 	manager := getMeshManager()
 	description := "wooooo"
 
-	meshId1, _ := manager.CreateMesh(5000)
+	meshId1, _ := manager.CreateMesh(&CreateMeshParams{
-	meshId2, _ := manager.CreateMesh(5001)
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
 
 	manager.AddSelf(&AddSelfParams{
 		MeshId:   meshId1,
 		WgPort:   5000,
 		Endpoint: "abc.com:8080",
 	})
-	manager.AddSelf(&AddSelfParams{
-		MeshId:   meshId2,
-		WgPort:   5000,
-		Endpoint: "abc.com:8080",
-	})
 
-	err := manager.SetDescription(description)
+	err := manager.SetDescription(meshId1, description)
 
 	if err != nil {
 		t.Fatalf(`failed to set the descriptions`)
 	}
-}
 
+	self1, err := manager.GetSelf(meshId1)
+
+	if err != nil {
+		t.Fatalf(`failed to set the description`)
+	}
+
+	if description != self1.GetDescription() {
+		t.Fatalf(`description should be %s was %s`, description, self1.GetDescription())
+	}
+}
 func TestUpdateTimeStampUpdatesAllMeshes(t *testing.T) {
 	manager := getMeshManager()
 
-	meshId1, _ := manager.CreateMesh(5000)
+	meshId1, _ := manager.CreateMesh(&CreateMeshParams{
-	meshId2, _ := manager.CreateMesh(5001)
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
+
+	meshId2, _ := manager.CreateMesh(&CreateMeshParams{
+		Port: 5001,
+		Conf: &conf.WgConfiguration{},
+	})
 
 	manager.AddSelf(&AddSelfParams{
 		MeshId:   meshId1,
@@ -241,3 +305,68 @@ func TestUpdateTimeStampUpdatesAllMeshes(t *testing.T) {
 		t.Fatalf(`failed to update the timestamp`)
 	}
 }
+
+func TestAddServiceAddsServiceToTheMesh(t *testing.T) {
+	manager := getMeshManager()
+
+	meshId1, _ := manager.CreateMesh(&CreateMeshParams{
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
+	manager.AddSelf(&AddSelfParams{
+		MeshId:   meshId1,
+		WgPort:   5000,
+		Endpoint: "abc.com:8080",
+	})
+
+	serviceName := "hello"
+	manager.SetService(meshId1, serviceName, "dave")
+
+	self, err := manager.GetSelf(meshId1)
+
+	if err != nil {
+		t.Fatalf(`error thrown %s:`, err.Error())
+	}
+
+	if _, ok := self.GetServices()[serviceName]; !ok {
+		t.Fatalf(`service not added`)
+	}
+}
+
+func TestRemoveServiceRemovesTheServiceFromTheMesh(t *testing.T) {
+	manager := getMeshManager()
+
+	meshId1, _ := manager.CreateMesh(&CreateMeshParams{
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
+	manager.AddSelf(&AddSelfParams{
+		MeshId:   meshId1,
+		WgPort:   5000,
+		Endpoint: "abc.com:8080",
+	})
+
+	serviceName := "hello"
+	manager.SetService(meshId1, serviceName, "dave")
+
+	self, err := manager.GetSelf(meshId1)
+
+	if err != nil {
+		t.Fatalf(`error thrown %s:`, err.Error())
+	}
+
+	if _, ok := self.GetServices()[serviceName]; !ok {
+		t.Fatalf(`service not added`)
+	}
+
+	manager.RemoveService(meshId1, serviceName)
+	self, err = manager.GetSelf(meshId1)
+
+	if err != nil {
+		t.Fatalf(`error thrown %s:`, err.Error())
+	}
+
+	if _, ok := self.GetServices()[serviceName]; ok {
+		t.Fatalf(`service still exists`)
+	}
+}

pkg/mesh/monitor.go

@@ -1,81 +0,0 @@
-package mesh
-
-type OnChange = func([]MeshNode)
-
-type MeshMonitor interface {
-	AddUpdateCallback(cb OnChange)
-	AddRemoveCallback(cb OnChange)
-	Trigger() error
-}
-
-type MeshMonitorImpl struct {
-	updateCbs []OnChange
-	removeCbs []OnChange
-	nodes     map[string]MeshNode
-	manager   MeshManager
-}
-
-// Trigger causes the mesh monitor to trigger all of
-// the callbacks.
-func (m *MeshMonitorImpl) Trigger() error {
-	changedNodes := make([]MeshNode, 0)
-	removedNodes := make([]MeshNode, 0)
-
-	nodes := make(map[string]MeshNode)
-
-	for _, mesh := range m.manager.GetMeshes() {
-		snapshot, err := mesh.GetMesh()
-
-		if err != nil {
-			return err
-		}
-
-		for _, node := range snapshot.GetNodes() {
-			previous, exists := m.nodes[node.GetWgHost().String()]
-
-			if !exists || !NodeEquals(previous, node) {
-				changedNodes = append(changedNodes, node)
-			}
-
-			nodes[node.GetWgHost().String()] = node
-		}
-	}
-
-	for _, previous := range m.nodes {
-		_, ok := nodes[previous.GetWgHost().String()]
-
-		if !ok {
-			removedNodes = append(removedNodes, previous)
-		}
-	}
-
-	if len(removedNodes) > 0 {
-		for _, cb := range m.removeCbs {
-			cb(removedNodes)
-		}
-	}
-
-	if len(changedNodes) > 0 {
-		for _, cb := range m.updateCbs {
-			cb(changedNodes)
-		}
-	}
-
-	return nil
-}
-
-func (m *MeshMonitorImpl) AddUpdateCallback(cb OnChange) {
-	m.updateCbs = append(m.updateCbs, cb)
-}
-
-func (m *MeshMonitorImpl) AddRemoveCallback(cb OnChange) {
-	m.removeCbs = append(m.removeCbs, cb)
-}
-
-func NewMeshMonitor(manager MeshManager) MeshMonitor {
-	return &MeshMonitorImpl{
-		updateCbs: make([]OnChange, 0),
-		nodes:     make(map[string]MeshNode),
-		manager:   manager,
-	}
-}

pkg/mesh/pruner.go

@@ -1,16 +0,0 @@
-package mesh
-
-import (
-	"github.com/tim-beatham/wgmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
-)
-
-func pruneFunction(m MeshManager) lib.TimerFunc {
-	return func() error {
-		return m.Prune()
-	}
-}
-
-func NewPruner(m MeshManager, conf conf.WgMeshConfiguration) *lib.Timer {
-	return lib.NewTimer(pruneFunction(m), conf.PruneTime/2)
-}

pkg/mesh/route.go

@@ -3,108 +3,123 @@ package mesh
 import (
 	"net"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/ip"
-	"github.com/tim-beatham/wgmesh/pkg/ip"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
 )
 
 type RouteManager interface {
 	UpdateRoutes() error
-	RemoveRoutes(meshId string) error
 }
 
 type RouteManagerImpl struct {
 	meshManager MeshManager
-	conf        *conf.WgMeshConfiguration
 }
 
 func (r *RouteManagerImpl) UpdateRoutes() error {
 	meshes := r.meshManager.GetMeshes()
-	ulaBuilder := new(ip.ULABuilder)
+	routes := make(map[string][]Route)
 
 	for _, mesh1 := range meshes {
-		self, err := r.meshManager.GetSelf(mesh1.GetMeshId())
+		if !*mesh1.GetConfiguration().AdvertiseRoutes {
+			continue
+		}
+
+		self, err := mesh1.GetNode(r.meshManager.GetPublicKey().String())
 
 		if err != nil {
 			return err
 		}
 
-		pubKey, err := self.GetPublicKey()
+		if _, ok := routes[mesh1.GetMeshId()]; !ok {
-
+			routes[mesh1.GetMeshId()] = make([]Route, 0)
-		if err != nil {
-			return err
 		}
 
-		routeMap, err := mesh1.GetRoutes(pubKey.String())
+		if *mesh1.GetConfiguration().AdvertiseDefaultRoute {
-
-		if err != nil {
-			return err
-		}
-
-		if r.conf.AdvertiseDefaultRoute {
 			_, ipv6Default, _ := net.ParseCIDR("::/0")
 
-			mesh1.AddRoutes(NodeID(self),
+			defaultRoute := &RouteStub{
-				&RouteStub{
+				Destination: ipv6Default,
-					Destination: ipv6Default,
+				HopCount:    0,
-					HopCount:    0,
+				Path:        []string{mesh1.GetMeshId()},
-					Path:        make([]string, 0),
+			}
-				})
+
+			mesh1.AddRoutes(NodeID(self), defaultRoute)
+			routes[mesh1.GetMeshId()] = append(routes[mesh1.GetMeshId()], defaultRoute)
+		}
+
+		routeMap, err := mesh1.GetRoutes(NodeID(self))
+
+		if err != nil {
+			return err
 		}
 
 		for _, mesh2 := range meshes {
+			routeValues, ok := routes[mesh2.GetMeshId()]
+
+			if !ok {
+				routeValues = make([]Route, 0)
+			}
+
 			if mesh1 == mesh2 {
 				continue
 			}
 
-			ipNet, err := ulaBuilder.GetIPNet(mesh2.GetMeshId())
+			mesh1IpNet, _ := (&ip.ULABuilder{}).GetIPNet(mesh1.GetMeshId())
 
-			if err != nil {
+			routeValues = append(routeValues, &RouteStub{
-				logging.Log.WriteErrorf(err.Error())
+				Destination: mesh1IpNet,
-				return err
-			}
-
-			routes := lib.MapValues(routeMap)
-
-			err = mesh2.AddRoutes(NodeID(self), append(routes, &RouteStub{
-				Destination: ipNet,
 				HopCount:    0,
-				Path:        make([]string, 0),
+				Path:        []string{mesh1.GetMeshId()},
-			})...)
+			})
 
-			if err != nil {
+			routeValues = append(routeValues, lib.MapValues(routeMap)...)
-				return err
+			mesh2IpNet, _ := (&ip.ULABuilder{}).GetIPNet(mesh2.GetMeshId())
-			}
+			routeValues = lib.Filter(routeValues, func(r Route) bool {
+				pathNotMesh := func(s string) bool {
+					return s == mesh2.GetMeshId()
+				}
+
+				// Remove any potential routing loops
+				return !r.GetDestination().IP.Equal(mesh2IpNet.IP) &&
+					!lib.Contains(r.GetPath()[1:], pathNotMesh)
+			})
+
+			routes[mesh2.GetMeshId()] = routeValues
 		}
 	}
 
-	return nil
+	// Calculate the set different of each, working out routes to remove and to keep.
-}
+	for meshId, meshRoutes := range routes {
+		mesh := meshes[meshId]
 
-// removeRoutes: removes all meshes we are no longer a part of
+		self, err := mesh.GetNode(r.meshManager.GetPublicKey().String())
-func (r *RouteManagerImpl) RemoveRoutes(meshId string) error {
-	ulaBuilder := new(ip.ULABuilder)
-	meshes := r.meshManager.GetMeshes()
-
-	ipNet, err := ulaBuilder.GetIPNet(meshId)
-
-	if err != nil {
-		return err
-	}
-
-	for _, mesh1 := range meshes {
-		self, err := r.meshManager.GetSelf(meshId)
 
 		if err != nil {
 			return err
 		}
 
-		mesh1.RemoveRoutes(NodeID(self), ipNet.String())
+		toRemove := make([]Route, 0)
+		prevRoutes, err := mesh.GetRoutes(NodeID(self))
+
+		if err != nil {
+			return err
+		}
+
+		for _, route := range prevRoutes {
+			if !lib.Contains(meshRoutes, func(r Route) bool {
+				return RouteEquals(r, route)
+			}) {
+				toRemove = append(toRemove, route)
+			}
+		}
+
+		mesh.RemoveRoutes(NodeID(self), toRemove...)
+		mesh.AddRoutes(NodeID(self), meshRoutes...)
 	}
+
 	return nil
 }
 
-func NewRouteManager(m MeshManager, conf *conf.WgMeshConfiguration) RouteManager {
+func NewRouteManager(m MeshManager) RouteManager {
-	return &RouteManagerImpl{meshManager: m, conf: conf}
+	return &RouteManagerImpl{meshManager: m}
 }

pkg/mesh/stub_types.go

@@ -5,7 +5,8 @@ import (
 	"net"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
@@ -19,6 +20,8 @@ type MeshNodeStub struct {
 	routes       []Route
 	identifier   string
 	description  string
+	alias        string
+	services     map[string]string
 }
 
 // GetType implements MeshNode.
@@ -27,13 +30,13 @@ func (*MeshNodeStub) GetType() conf.NodeType {
 }
 
 // GetServices implements MeshNode.
-func (*MeshNodeStub) GetServices() map[string]string {
+func (m *MeshNodeStub) GetServices() map[string]string {
-	return make(map[string]string)
+	return m.services
 }
 
 // GetAlias implements MeshNode.
-func (*MeshNodeStub) GetAlias() string {
+func (s *MeshNodeStub) GetAlias() string {
-	return ""
+	return s.alias
 }
 
 func (m *MeshNodeStub) GetHostEndpoint() string {
@@ -81,14 +84,28 @@ type MeshProviderStub struct {
 	snapshot *MeshSnapshotStub
 }
 
+// GetConfiguration implements MeshProvider.
+func (*MeshProviderStub) GetConfiguration() *conf.WgConfiguration {
+	advertiseRoutes := true
+	advertiseDefaultRoute := true
+	ipDiscovery := conf.PUBLIC_IP_DISCOVERY
+	role := conf.PEER_ROLE
+
+	return &conf.WgConfiguration{
+		IPDiscovery:           &ipDiscovery,
+		AdvertiseRoutes:       &advertiseRoutes,
+		AdvertiseDefaultRoute: &advertiseDefaultRoute,
+		Role:                  &role,
+	}
+}
+
 // Mark implements MeshProvider.
 func (*MeshProviderStub) Mark(nodeId string) {
-	panic("unimplemented")
 }
 
 // RemoveNode implements MeshProvider.
 func (*MeshProviderStub) RemoveNode(nodeId string) error {
-	panic("unimplemented")
+	return nil
 }
 
 func (*MeshProviderStub) GetRoutes(targetId string) (map[string]Route, error) {
@@ -101,32 +118,53 @@ func (*MeshProviderStub) GetPeers() []string {
 }
 
 // GetNode implements MeshProvider.
-func (*MeshProviderStub) GetNode(string) (MeshNode, error) {
+func (m *MeshProviderStub) GetNode(nodeId string) (MeshNode, error) {
-	return nil, nil
+	return m.snapshot.nodes[nodeId], nil
 }
 
 // NodeExists implements MeshProvider.
-func (*MeshProviderStub) NodeExists(string) bool {
+func (m *MeshProviderStub) NodeExists(nodeId string) bool {
-	return false
+	return m.snapshot.nodes[nodeId] != nil
 }
 
 // AddService implements MeshProvider.
-func (*MeshProviderStub) AddService(nodeId string, key string, value string) error {
+func (m *MeshProviderStub) AddService(nodeId string, key string, value string) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.services[key] = value
 	return nil
 }
 
 // RemoveService implements MeshProvider.
-func (*MeshProviderStub) RemoveService(nodeId string, key string) error {
+func (m *MeshProviderStub) RemoveService(nodeId string, key string) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	delete(node.services, key)
 	return nil
 }
 
 // SetAlias implements MeshProvider.
-func (*MeshProviderStub) SetAlias(nodeId string, alias string) error {
+func (m *MeshProviderStub) SetAlias(nodeId string, alias string) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.alias = alias
+	return nil
+}
+
+// AddRoutes implements
+func (m *MeshProviderStub) AddRoutes(nodeId string, route ...Route) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.routes = append(node.routes, route...)
 	return nil
 }
 
 // RemoveRoutes implements MeshProvider.
-func (*MeshProviderStub) RemoveRoutes(nodeId string, route ...string) error {
+func (m *MeshProviderStub) RemoveRoutes(nodeId string, route ...Route) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+
+	newRoutes := lib.Filter(node.routes, func(r1 Route) bool {
+		return !lib.Contains(route, func(r2 Route) bool {
+			return RouteEqual(r1, r2)
+		})
+	})
+	node.routes = newRoutes
 	return nil
 }
 
@@ -136,12 +174,15 @@ func (*MeshProviderStub) Prune() error {
 }
 
 // UpdateTimeStamp implements MeshProvider.
-func (*MeshProviderStub) UpdateTimeStamp(nodeId string) error {
+func (m *MeshProviderStub) UpdateTimeStamp(nodeId string) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.timeStamp = time.Now().Unix()
 	return nil
 }
 
 func (s *MeshProviderStub) AddNode(node MeshNode) {
-	s.snapshot.nodes[node.GetHostEndpoint()] = node
+	pubKey, _ := node.GetPublicKey()
+	s.snapshot.nodes[pubKey.String()] = node
 }
 
 func (s *MeshProviderStub) GetMesh() (MeshSnapshot, error) {
@@ -173,15 +214,13 @@ func (s *MeshProviderStub) HasChanges() bool {
 	return false
 }
 
-func (s *MeshProviderStub) AddRoutes(nodeId string, route ...Route) error {
-	return nil
-}
-
 func (s *MeshProviderStub) GetSyncer() MeshSyncer {
 	return nil
 }
 
 func (s *MeshProviderStub) SetDescription(nodeId string, description string) error {
+	meshNode := (s.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	meshNode.description = description
 	return nil
 }
 
@@ -195,7 +234,7 @@ func (s *StubMeshProviderFactory) CreateMesh(params *MeshProviderFactoryParams)
 }
 
 type StubNodeFactory struct {
-	Config *conf.WgMeshConfiguration
+	Config *conf.DaemonConfiguration
 }
 
 func (s *StubNodeFactory) Build(params *MeshNodeFactoryParams) MeshNode {
@@ -204,12 +243,13 @@ func (s *StubNodeFactory) Build(params *MeshNodeFactoryParams) MeshNode {
 	return &MeshNodeStub{
 		hostEndpoint: params.Endpoint,
 		publicKey:    *params.PublicKey,
-		wgEndpoint:   fmt.Sprintf("%s:%s", params.Endpoint, s.Config.GrpcPort),
+		wgEndpoint:   fmt.Sprintf("%s:%d", params.Endpoint, s.Config.GrpcPort),
 		wgHost:       wgHost,
 		timeStamp:    time.Now().Unix(),
 		routes:       make([]Route, 0),
 		identifier:   "abc",
 		description:  "A Mesh Node Stub",
+		services:     make(map[string]string),
 	}
 }
 
@@ -232,37 +272,32 @@ type MeshManagerStub struct {
 
 // GetRouteManager implements MeshManager.
 func (*MeshManagerStub) GetRouteManager() RouteManager {
-	panic("unimplemented")
+	return nil
 }
 
 // GetNode implements MeshManager.
-func (*MeshManagerStub) GetNode(string, string) MeshNode {
+func (*MeshManagerStub) GetNode(meshId, nodeId string) MeshNode {
-	panic("unimplemented")
+	return nil
 }
 
 // RemoveService implements MeshManager.
-func (*MeshManagerStub) RemoveService(service string) error {
+func (*MeshManagerStub) RemoveService(meshId, service string) error {
-	panic("unimplemented")
+	return nil
 }
 
 // SetService implements MeshManager.
-func (*MeshManagerStub) SetService(service string, value string) error {
+func (*MeshManagerStub) SetService(meshId, service, value string) error {
-	panic("unimplemented")
+	return nil
-}
-
-// GetMonitor implements MeshManager.
-func (*MeshManagerStub) GetMonitor() MeshMonitor {
-	panic("unimplemented")
 }
 
 // SetAlias implements MeshManager.
-func (*MeshManagerStub) SetAlias(alias string) error {
+func (*MeshManagerStub) SetAlias(meshId, alias string) error {
-	panic("unimplemented")
+	return nil
 }
 
 // Close implements MeshManager.
 func (*MeshManagerStub) Close() error {
-	panic("unimplemented")
+	return nil
 }
 
 // Prune implements MeshManager.
@@ -274,7 +309,7 @@ func NewMeshManagerStub() MeshManager {
 	return &MeshManagerStub{meshes: make(map[string]MeshProvider)}
 }
 
-func (m *MeshManagerStub) CreateMesh(port int) (string, error) {
+func (m *MeshManagerStub) CreateMesh(*CreateMeshParams) (string, error) {
 	return "tim123", nil
 }
 
@@ -314,7 +349,7 @@ func (m *MeshManagerStub) ApplyConfig() error {
 	return nil
 }
 
-func (m *MeshManagerStub) SetDescription(description string) error {
+func (m *MeshManagerStub) SetDescription(meshId, description string) error {
 	return nil
 }
 

pkg/mesh/types.go

@@ -4,8 +4,9 @@ package mesh
 
 import (
 	"net"
+	"slices"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
@@ -19,6 +20,18 @@ type Route interface {
 	GetPath() []string
 }
 
+func RouteEqual(r1 Route, r2 Route) bool {
+	return r1.GetDestination().IP.Equal(r2.GetDestination().IP) &&
+		r1.GetHopCount() == r2.GetHopCount() &&
+		slices.Equal(r1.GetPath(), r2.GetPath())
+}
+
+func RouteEquals(r1, r2 Route) bool {
+	return r1.GetDestination().String() == r2.GetDestination().String() &&
+		r1.GetHopCount() == r2.GetHopCount() &&
+		slices.Equal(r1.GetPath(), r2.GetPath())
+}
+
 type RouteStub struct {
 	Destination *net.IPNet
 	HopCount    int
@@ -68,12 +81,11 @@ func NodeEquals(node1, node2 MeshNode) bool {
 	key1, _ := node1.GetPublicKey()
 	key2, _ := node2.GetPublicKey()
 
-	return key1.String() == key2.String()
+	if node1 == nil || node2 == nil {
-}
+		return false
+	}
 
-func RouteEquals(route1, route2 Route) bool {
+	return key1.String() == key2.String()
-	return route1.GetDestination().String() == route2.GetDestination().String() &&
-		route1.GetHopCount() == route2.GetHopCount()
 }
 
 func NodeID(node MeshNode) string {
@@ -116,7 +128,7 @@ type MeshProvider interface {
 	// AddRoutes: adds routes to the given node
 	AddRoutes(nodeId string, route ...Route) error
 	// DeleteRoutes: deletes the routes from the node
-	RemoveRoutes(nodeId string, route ...string) error
+	RemoveRoutes(nodeId string, route ...Route) error
 	// GetSyncer: returns the automerge syncer for sync
 	GetSyncer() MeshSyncer
 	// GetNode get a particular not within the mesh
@@ -143,6 +155,9 @@ type MeshProvider interface {
 	// Mark: marks the node as unreachable. This is not broadcast to the entire
 	// this is not considered when syncing node state
 	Mark(nodeId string)
+	// GetConfiguration: gets the configuration parameters specific for this
+	// mesh network
+	GetConfiguration() *conf.WgConfiguration
 }
 
 // HostParameters contains the IDs of a node
@@ -157,12 +172,13 @@ func (h *HostParameters) GetPublicKey() string {
 
 // MeshProviderFactoryParams parameters required to build a mesh provider
 type MeshProviderFactoryParams struct {
-	DevName string
+	DevName    string
-	MeshId  string
+	MeshId     string
-	Port    int
+	Port       int
-	Conf    *conf.WgMeshConfiguration
+	Conf       *conf.WgConfiguration
-	Client  *wgctrl.Client
+	DaemonConf *conf.DaemonConfiguration
-	NodeID  string
+	Client     *wgctrl.Client
+	NodeID     string
 }
 
 // MeshProviderFactory creates an instance of a mesh provider
@@ -173,10 +189,11 @@ type MeshProviderFactory interface {
 // MeshNodeFactoryParams are the parameters required to construct
 // a mesh node
 type MeshNodeFactoryParams struct {
-	PublicKey *wgtypes.Key
+	PublicKey  *wgtypes.Key
-	NodeIP    net.IP
+	NodeIP     net.IP
-	WgPort    int
+	WgPort     int
-	Endpoint  string
+	Endpoint   string
+	MeshConfig *conf.WgConfiguration
 }
 
 // MeshBuilder build the hosts mesh node for it to be added to the mesh

pkg/query/query.go

@@ -6,9 +6,9 @@ import (
 	"strings"
 
 	"github.com/jmespath/go-jmespath"
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 )
 
 // Querier queries a data store for the given data

pkg/robin/requester.go

@@ -2,26 +2,51 @@ package robin
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"strconv"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/ipc"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/ipc"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
-	"github.com/tim-beatham/wgmesh/pkg/query"
+	"github.com/tim-beatham/smegmesh/pkg/rpc"
-	"github.com/tim-beatham/wgmesh/pkg/rpc"
 )
 
 type IpcHandler struct {
 	Server ctrlserver.CtrlServer
 }
 
+func getOverrideConfiguration(args *ipc.WireGuardArgs) conf.WgConfiguration {
+	overrideConf := conf.WgConfiguration{}
+
+	if args.Role != "" {
+		role := conf.NodeType(args.Role)
+		overrideConf.Role = &role
+	}
+
+	if args.Endpoint != "" {
+		overrideConf.Endpoint = &args.Endpoint
+	}
+
+	if args.KeepAliveWg != 0 {
+		keepAliveWg := args.KeepAliveWg
+		overrideConf.KeepAliveWg = &keepAliveWg
+	}
+
+	overrideConf.AdvertiseRoutes = &args.AdvertiseRoutes
+	overrideConf.AdvertiseDefaultRoute = &args.AdvertiseDefaultRoute
+	return overrideConf
+}
+
 func (n *IpcHandler) CreateMesh(args *ipc.NewMeshArgs, reply *string) error {
-	meshId, err := n.Server.GetMeshManager().CreateMesh(args.WgPort)
+	overrideConf := getOverrideConfiguration(&args.WgArgs)
+
+	meshId, err := n.Server.GetMeshManager().CreateMesh(&mesh.CreateMeshParams{
+		Port: args.WgArgs.WgPort,
+		Conf: &overrideConf,
+	})
 
 	if err != nil {
 		return err
@@ -29,8 +54,8 @@ func (n *IpcHandler) CreateMesh(args *ipc.NewMeshArgs, reply *string) error {
 
 	err = n.Server.GetMeshManager().AddSelf(&mesh.AddSelfParams{
 		MeshId:   meshId,
-		WgPort:   args.WgPort,
+		WgPort:   args.WgArgs.WgPort,
-		Endpoint: args.Endpoint,
+		Endpoint: args.WgArgs.Endpoint,
 	})
 
 	if err != nil {
@@ -45,7 +70,7 @@ func (n *IpcHandler) ListMeshes(_ string, reply *ipc.ListMeshReply) error {
 	meshNames := make([]string, len(n.Server.GetMeshManager().GetMeshes()))
 
 	i := 0
-	for meshId, _ := range n.Server.GetMeshManager().GetMeshes() {
+	for meshId := range n.Server.GetMeshManager().GetMeshes() {
 		meshNames[i] = meshId
 		i++
 	}
@@ -54,8 +79,14 @@ func (n *IpcHandler) ListMeshes(_ string, reply *ipc.ListMeshReply) error {
 	return nil
 }
 
-func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
+func (n *IpcHandler) JoinMesh(args *ipc.JoinMeshArgs, reply *string) error {
-	peerConnection, err := n.Server.GetConnectionManager().GetConnection(args.IpAdress)
+	overrideConf := getOverrideConfiguration(&args.WgArgs)
+
+	if n.Server.GetMeshManager().GetMesh(args.MeshId) != nil {
+		return fmt.Errorf("user is already apart of the mesh")
+	}
+
+	peerConnection, err := n.Server.GetConnectionManager().GetConnection(args.IpAddress)
 
 	if err != nil {
 		return err
@@ -86,8 +117,9 @@ func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
 
 	err = n.Server.GetMeshManager().AddMesh(&mesh.AddMeshParams{
 		MeshId:    args.MeshId,
-		WgPort:    args.Port,
+		WgPort:    args.WgArgs.WgPort,
 		MeshBytes: meshReply.Mesh,
+		Conf:      &overrideConf,
 	})
 
 	if err != nil {
@@ -96,8 +128,8 @@ func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
 
 	err = n.Server.GetMeshManager().AddSelf(&mesh.AddSelfParams{
 		MeshId:   args.MeshId,
-		WgPort:   args.Port,
+		WgPort:   args.WgArgs.WgPort,
-		Endpoint: args.Endpoint,
+		Endpoint: args.WgArgs.Endpoint,
 	})
 
 	if err != nil {
@@ -115,7 +147,6 @@ func (n *IpcHandler) LeaveMesh(meshId string, reply *string) error {
 	if err == nil {
 		*reply = fmt.Sprintf("Left Mesh %s", meshId)
 	}
-
 	return err
 }
 
@@ -140,30 +171,9 @@ func (n *IpcHandler) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
 
 	i := 0
 	for _, node := range meshSnapshot.GetNodes() {
-		pubKey, _ := node.GetPublicKey()
+		node := ctrlserver.NewCtrlNode(theMesh, node)
 
-		if err != nil {
+		nodes[i] = *node
-			return err
-		}
-
-		node := ctrlserver.MeshNode{
-			HostEndpoint: node.GetHostEndpoint(),
-			WgEndpoint:   node.GetWgEndpoint(),
-			PublicKey:    pubKey.String(),
-			WgHost:       node.GetWgHost().String(),
-			Timestamp:    node.GetTimeStamp(),
-			Routes: lib.Map(node.GetRoutes(), func(r mesh.Route) ctrlserver.MeshRoute {
-				return ctrlserver.MeshRoute{
-					Destination: r.GetDestination().String(),
-					Path:        r.GetPath(),
-				}
-			}),
-			Description: node.GetDescription(),
-			Alias:       node.GetAlias(),
-			Services:    node.GetServices(),
-		}
-
-		nodes[i] = node
 		i += 1
 	}
 
@@ -171,19 +181,6 @@ func (n *IpcHandler) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
 	return nil
 }
 
-func (n *IpcHandler) GetDOT(meshId string, reply *string) error {
-	g := mesh.NewMeshDotConverter(n.Server.GetMeshManager())
-
-	result, err := g.Generate(meshId)
-
-	if err != nil {
-		return err
-	}
-
-	*reply = result
-	return nil
-}
-
 func (n *IpcHandler) Query(params ipc.QueryMesh, reply *string) error {
 	queryResponse, err := n.Server.GetQuerier().Query(params.MeshId, params.Query)
 
@@ -195,30 +192,34 @@ func (n *IpcHandler) Query(params ipc.QueryMesh, reply *string) error {
 	return nil
 }
 
-func (n *IpcHandler) PutDescription(description string, reply *string) error {
+func (n *IpcHandler) PutDescription(args ipc.PutDescriptionArgs, reply *string) error {
-	err := n.Server.GetMeshManager().SetDescription(description)
+	err := n.Server.GetMeshManager().SetDescription(args.MeshId, args.Description)
 
 	if err != nil {
 		return err
 	}
 
-	*reply = fmt.Sprintf("Set description to %s", description)
+	*reply = fmt.Sprintf("set description to %s for %s", args.Description, args.MeshId)
 	return nil
 }
 
-func (n *IpcHandler) PutAlias(alias string, reply *string) error {
+func (n *IpcHandler) PutAlias(args ipc.PutAliasArgs, reply *string) error {
-	err := n.Server.GetMeshManager().SetAlias(alias)
+	if args.Alias == "" {
+		return fmt.Errorf("alias not provided")
+	}
+
+	err := n.Server.GetMeshManager().SetAlias(args.MeshId, args.Alias)
 
 	if err != nil {
 		return err
 	}
 
-	*reply = fmt.Sprintf("Set alias to %s", alias)
+	*reply = fmt.Sprintf("Set alias to %s", args.Alias)
 	return nil
 }
 
 func (n *IpcHandler) PutService(service ipc.PutServiceArgs, reply *string) error {
-	err := n.Server.GetMeshManager().SetService(service.Service, service.Value)
+	err := n.Server.GetMeshManager().SetService(service.MeshId, service.Service, service.Value)
 
 	if err != nil {
 		return err
@@ -228,8 +229,8 @@ func (n *IpcHandler) PutService(service ipc.PutServiceArgs, reply *string) error
 	return nil
 }
 
-func (n *IpcHandler) DeleteService(service string, reply *string) error {
+func (n *IpcHandler) DeleteService(service ipc.DeleteServiceArgs, reply *string) error {
-	err := n.Server.GetMeshManager().RemoveService(service)
+	err := n.Server.GetMeshManager().RemoveService(service.MeshId, service.Service)
 
 	if err != nil {
 		return err
@@ -239,27 +240,6 @@ func (n *IpcHandler) DeleteService(service string, reply *string) error {
 	return nil
 }
 
-func (n *IpcHandler) GetNode(args ipc.GetNodeArgs, reply *string) error {
-	node := n.Server.GetMeshManager().GetNode(args.MeshId, args.NodeId)
-
-	if node == nil {
-		*reply = "nil"
-		return nil
-	}
-
-	queryNode := query.MeshNodeToQueryNode(node)
-
-	bytes, err := json.Marshal(queryNode)
-
-	if err != nil {
-		*reply = err.Error()
-		return nil
-	}
-
-	*reply = string(bytes)
-	return nil
-}
-
 type RobinIpcParams struct {
 	CtrlServer ctrlserver.CtrlServer
 }

pkg/robin/requester_test.go

@@ -3,9 +3,10 @@ package robin
 import (
 	"testing"
 
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/ipc"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/ipc"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 )
 
 func getRequester() *IpcHandler {
@@ -17,9 +18,11 @@ func TestCreateMeshRepliesMeshId(t *testing.T) {
 	requester := getRequester()
 
 	err := requester.CreateMesh(&ipc.NewMeshArgs{
-		IfName:   "wg0",
+		WgArgs: ipc.WireGuardArgs{
-		WgPort:   5000,
+			WgPort:   500,
-		Endpoint: "abc.com",
+			Endpoint: "abc.com:1234",
+			Role:     "peer",
+		},
 	}, &reply)
 
 	if err != nil {
@@ -52,9 +55,8 @@ func TestListMeshesMeshesNotEmpty(t *testing.T) {
 
 	requester.Server.GetMeshManager().AddMesh(&mesh.AddMeshParams{
 		MeshId:    "tim123",
-		DevName:   "wg0",
-		WgPort:    5000,
 		MeshBytes: make([]byte, 0),
+		Conf:      &conf.WgConfiguration{},
 	})
 
 	err := requester.ListMeshes("", &reply)

pkg/robin/responder.go

@@ -4,8 +4,8 @@ import (
 	"context"
 	"errors"
 
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/rpc"
+	"github.com/tim-beatham/smegmesh/pkg/rpc"
 )
 
 type WgRpc struct {

pkg/robin/responder_test.go

@@ -1 +0,0 @@
-package robin

pkg/route/route.go

@@ -1,7 +1,7 @@
 package route
 
 import (
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
 	"golang.org/x/sys/unix"
 )
 
@@ -19,11 +19,7 @@ func (r *RouteInstallerImpl) InstallRoutes(devName string, routes ...lib.Route)
 		return err
 	}
 
-	ip6Routes := lib.Filter(routes, func(r lib.Route) bool {
+	err = rtnl.DeleteRoutes(devName, unix.AF_INET6, routes...)
-		return r.Destination.IP.To4() == nil
-	})
-
-	err = rtnl.DeleteRoutes(devName, unix.AF_INET6, ip6Routes...)
 
 	if err != nil {
 		return err

pkg/sync/syncer.go

@@ -1,20 +1,22 @@
 package sync
 
 import (
+	"fmt"
 	"io"
 	"math/rand"
+	"sync"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"github.com/tim-beatham/wgmesh/pkg/conn"
+	"github.com/tim-beatham/smegmesh/pkg/conn"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 )
 
 // Syncer: picks random nodes from the meshs
 type Syncer interface {
-	Sync(meshId string) error
+	Sync(theMesh mesh.MeshProvider) error
 	SyncMeshes() error
 }
 
@@ -24,44 +26,72 @@ type SyncerImpl struct {
 	infectionCount int
 	syncCount      int
 	cluster        conn.ConnCluster
-	conf           *conf.WgMeshConfiguration
+	conf           *conf.DaemonConfiguration
-	lastSync       uint64
+	lastSync       map[string]int64
+	lock           sync.RWMutex
 }
 
-// Sync: Sync random nodes
+// Sync: Sync with random nodes
-func (s *SyncerImpl) Sync(meshId string) error {
+func (s *SyncerImpl) Sync(correspondingMesh mesh.MeshProvider) error {
-	self, err := s.manager.GetSelf(meshId)
+	if correspondingMesh == nil {
-
+		return fmt.Errorf("mesh provided was nil cannot sync nil mesh")
-	if err != nil {
-		return err
 	}
 
-	s.manager.GetMesh(meshId).Prune()
+	// Self can be nil if the node is removed
+	selfID := s.manager.GetPublicKey()
+	self, err := correspondingMesh.GetNode(selfID.String())
+
+	if err != nil {
+		logging.Log.WriteErrorf(err.Error())
+	}
+
+	correspondingMesh.Prune()
+
+	if correspondingMesh.HasChanges() {
+		logging.Log.WriteInfof("meshes %s has changes", correspondingMesh.GetMeshId())
+	}
+
+	// If removed sync with other nodes to gossip the node is removed
+	if self != nil && self.GetType() == conf.PEER_ROLE && !correspondingMesh.HasChanges() && s.infectionCount == 0 {
+		logging.Log.WriteInfof("no changes for %s", correspondingMesh.GetMeshId())
+
+		// If not synchronised in certain time pull from random neighbour
+		if s.conf.PullTime != 0 && time.Now().Unix()-s.lastSync[correspondingMesh.GetMeshId()] > int64(s.conf.PullTime) {
+			return s.Pull(self, correspondingMesh)
+		}
 
-	if self.GetType() == conf.PEER_ROLE && !s.manager.HasChanges(meshId) && s.infectionCount == 0 {
-		logging.Log.WriteInfof("No changes for %s", meshId)
 		return nil
 	}
 
 	before := time.Now()
-	s.manager.GetRouteManager().UpdateRoutes()
+	err = s.manager.GetRouteManager().UpdateRoutes()
+
+	if err != nil {
+		logging.Log.WriteErrorf(err.Error())
+	}
 
 	publicKey := s.manager.GetPublicKey()
+	nodeNames := correspondingMesh.GetPeers()
 
-	logging.Log.WriteInfof(publicKey.String())
+	nodeNames = lib.Filter(nodeNames, func(s string) bool {
-
+		// Filter our only public key out so we dont sync with ourself
-	nodeNames := s.manager.GetMesh(meshId).GetPeers()
+		return s != publicKey.String()
+	})
 
 	var gossipNodes []string
 
 	// Clients always pings its peer for configuration
-	if self.GetType() == conf.CLIENT_ROLE {
+	if self != nil && self.GetType() == conf.CLIENT_ROLE && len(nodeNames) > 1 {
-		keyFunc := lib.HashString
+		neighbours := s.cluster.GetNeighbours(nodeNames, publicKey.String())
-		bucketFunc := lib.HashString
 
-		neighbour := lib.ConsistentHash(nodeNames, publicKey.String(), keyFunc, bucketFunc)
+		if len(neighbours) == 0 {
-		gossipNodes = make([]string, 1)
+			return nil
-		gossipNodes[0] = neighbour
+		}
+
+		// Peer with 2 nodes so that there is redundnacy in
+		// the situation the node leaves pre-emptively
+		redundancyLength := min(len(neighbours), 2)
+		gossipNodes = neighbours[:redundancyLength]
 	} else {
 		neighbours := s.cluster.GetNeighbours(nodeNames, publicKey.String())
 		gossipNodes = lib.RandomSubsetOfLength(neighbours, s.conf.BranchRate)
@@ -75,62 +105,107 @@ func (s *SyncerImpl) Sync(meshId string) error {
 
 	// Do this synchronously to conserve bandwidth
 	for _, node := range gossipNodes {
-		correspondingPeer := s.manager.GetNode(meshId, node)
+		correspondingPeer, err := correspondingMesh.GetNode(node)
 
-		if correspondingPeer == nil {
+		if correspondingPeer == nil || err != nil {
 			logging.Log.WriteErrorf("node %s does not exist", node)
+			continue
 		}
 
-		err := s.requester.SyncMesh(meshId, correspondingPeer)
+		err = s.requester.SyncMesh(correspondingMesh.GetMeshId(), correspondingPeer)
 
 		if err == nil || err == io.EOF {
 			succeeded = true
-		} else {
-			// If the synchronisation operation has failed them mark a gravestone
-			// preventing the peer from being re-contacted until it has updated
-			// itself
-			s.manager.GetMesh(meshId).Mark(node)
 		}
-	}
-
-	s.syncCount++
-	logging.Log.WriteInfof("SYNC TIME: %v", time.Since(before))
-	logging.Log.WriteInfof("SYNC COUNT: %d", s.syncCount)
-
-	s.infectionCount = ((s.conf.InfectionCount + s.infectionCount - 1) % s.conf.InfectionCount)
-
-	if !succeeded {
-		// If could not gossip with anyone then repeat.
-		s.infectionCount++
-	}
-
-	s.manager.GetMesh(meshId).SaveChanges()
-	s.lastSync = uint64(time.Now().Unix())
-
-	logging.Log.WriteInfof("UPDATING WG CONF")
-	err = s.manager.ApplyConfig()
-
-	if err != nil {
-		logging.Log.WriteInfof("Failed to update config %w", err)
-	}
-
-	return nil
-}
-
-// SyncMeshes: Sync all meshes
-func (s *SyncerImpl) SyncMeshes() error {
-	for meshId := range s.manager.GetMeshes() {
-		err := s.Sync(meshId)
 
 		if err != nil {
 			logging.Log.WriteErrorf(err.Error())
 		}
 	}
 
+	s.syncCount++
+	logging.Log.WriteInfof("sync time: %v", time.Since(before))
+	logging.Log.WriteInfof("number of syncs: %d", s.syncCount)
+
+	s.infectionCount = ((s.conf.InfectionCount + s.infectionCount - 1) % s.conf.InfectionCount)
+
+	if !succeeded {
+		s.infectionCount++
+	}
+
+	correspondingMesh.SaveChanges()
+
+	s.lock.Lock()
+	s.lastSync[correspondingMesh.GetMeshId()] = time.Now().Unix()
+	s.lock.Unlock()
 	return nil
 }
 
-func NewSyncer(m mesh.MeshManager, conf *conf.WgMeshConfiguration, r SyncRequester) Syncer {
+// Pull one node in the cluster, if there has not been message dissemination
+// in a certain period of time pull a random node within the cluster
+func (s *SyncerImpl) Pull(self mesh.MeshNode, mesh mesh.MeshProvider) error {
+	peers := mesh.GetPeers()
+	pubKey, _ := self.GetPublicKey()
+
+	neighbours := s.cluster.GetNeighbours(peers, pubKey.String())
+	neighbour := lib.RandomSubsetOfLength(neighbours, 1)
+
+	if len(neighbour) == 0 {
+		logging.Log.WriteInfof("no neighbours")
+		return nil
+	}
+
+	logging.Log.WriteInfof("pulling from node %s", neighbour[0])
+
+	pullNode, err := mesh.GetNode(neighbour[0])
+
+	if err != nil || pullNode == nil {
+		return fmt.Errorf("node %s does not exist in the mesh", neighbour[0])
+	}
+
+	err = s.requester.SyncMesh(mesh.GetMeshId(), pullNode)
+
+	if err == nil || err == io.EOF {
+		s.lastSync[mesh.GetMeshId()] = time.Now().Unix()
+	} else {
+		return err
+	}
+
+	s.syncCount++
+	return nil
+}
+
+// SyncMeshes: Sync all meshes
+func (s *SyncerImpl) SyncMeshes() error {
+	var wg sync.WaitGroup
+
+	for _, mesh := range s.manager.GetMeshes() {
+		wg.Add(1)
+
+		sync := func() {
+			defer wg.Done()
+
+			err := s.Sync(mesh)
+
+			if err != nil {
+				logging.Log.WriteErrorf(err.Error())
+			}
+		}
+
+		go sync()
+	}
+	wg.Wait()
+
+	logging.Log.WriteInfof("updating the WireGuard configuration")
+	err := s.manager.ApplyConfig()
+
+	if err != nil {
+		logging.Log.WriteInfof("failed to update config %w", err)
+	}
+	return nil
+}
+
+func NewSyncer(m mesh.MeshManager, conf *conf.DaemonConfiguration, r SyncRequester) Syncer {
 	cluster, _ := conn.NewConnCluster(conf.ClusterSize)
 	return &SyncerImpl{
 		manager:        m,
@@ -138,5 +213,6 @@ func NewSyncer(m mesh.MeshManager, conf *conf.WgMeshConfiguration, r SyncRequest
 		requester:      r,
 		infectionCount: 0,
 		syncCount:      0,
-		cluster:        cluster}
+		cluster:        cluster,
+		lastSync:       make(map[string]int64)}
 }

pkg/sync/syncererror.go

@@ -1,8 +1,9 @@
 package sync
 
 import (
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	"github.com/tim-beatham/smegmesh/pkg/conn"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -15,11 +16,34 @@ type SyncErrorHandler interface {
 // SyncErrorHandlerImpl Is an implementation of the SyncErrorHandler
 type SyncErrorHandlerImpl struct {
 	meshManager mesh.MeshManager
+	connManager conn.ConnectionManager
 }
 
 func (s *SyncErrorHandlerImpl) handleFailed(meshId string, nodeId string) bool {
 	mesh := s.meshManager.GetMesh(meshId)
 	mesh.Mark(nodeId)
+	node, err := mesh.GetNode(nodeId)
+
+	if err != nil {
+		s.connManager.RemoveConnection(node.GetHostEndpoint())
+	}
+	return true
+}
+
+func (s *SyncErrorHandlerImpl) handleDeadlineExceeded(meshId string, nodeId string) bool {
+	mesh := s.meshManager.GetMesh(meshId)
+
+	if mesh == nil {
+		return true
+	}
+
+	node, err := mesh.GetNode(nodeId)
+
+	if err != nil {
+		return false
+	}
+
+	s.connManager.RemoveConnection(node.GetHostEndpoint())
 	return true
 }
 
@@ -29,13 +53,15 @@ func (s *SyncErrorHandlerImpl) Handle(meshId string, nodeId string, err error) b
 	logging.Log.WriteInfof("Handled gRPC error: %s", errStatus.Message())
 
 	switch errStatus.Code() {
-	case codes.Unavailable, codes.Unknown, codes.DeadlineExceeded, codes.Internal, codes.NotFound:
+	case codes.Unavailable, codes.Unknown, codes.Internal, codes.NotFound:
 		return s.handleFailed(meshId, nodeId)
+	case codes.DeadlineExceeded:
+		return s.handleDeadlineExceeded(meshId, nodeId)
 	}
 
 	return false
 }
 
-func NewSyncErrorHandler(m mesh.MeshManager) SyncErrorHandler {
+func NewSyncErrorHandler(m mesh.MeshManager, conn conn.ConnectionManager) SyncErrorHandler {
-	return &SyncErrorHandlerImpl{meshManager: m}
+	return &SyncErrorHandlerImpl{meshManager: m, connManager: conn}
 }

pkg/sync/syncrequester.go

@@ -6,10 +6,10 @@ import (
 	"io"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
-	"github.com/tim-beatham/wgmesh/pkg/rpc"
+	"github.com/tim-beatham/smegmesh/pkg/rpc"
 )
 
 // SyncRequester: coordinates the syncing of meshes
@@ -91,7 +91,7 @@ func (s *SyncRequesterImpl) SyncMesh(meshId string, meshNode mesh.MeshNode) erro
 
 	c := rpc.NewSyncServiceClient(client)
 
-	syncTimeOut := s.server.Conf.SyncRate * float64(time.Second)
+	syncTimeOut := float64(s.server.Conf.SyncTime) * float64(time.Second)
 
 	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(syncTimeOut))
 	defer cancel()
@@ -99,11 +99,11 @@ func (s *SyncRequesterImpl) SyncMesh(meshId string, meshNode mesh.MeshNode) erro
 	err = s.syncMesh(mesh, ctx, c)
 
 	if err != nil {
-		return s.handleErr(meshId, pubKey.String(), err)
+		s.handleErr(meshId, pubKey.String(), err)
 	}
 
 	logging.Log.WriteInfof("Synced with node: %s meshId: %s\n", endpoint, meshId)
-	return nil
+	return err
 }
 
 func (s *SyncRequesterImpl) syncMesh(mesh mesh.MeshProvider, ctx context.Context, client rpc.SyncServiceClient) error {
@@ -151,6 +151,6 @@ func (s *SyncRequesterImpl) syncMesh(mesh mesh.MeshProvider, ctx context.Context
 }
 
 func NewSyncRequester(s *ctrlserver.MeshCtrlServer) SyncRequester {
-	errorHdlr := NewSyncErrorHandler(s.MeshManager)
+	errorHdlr := NewSyncErrorHandler(s.MeshManager, s.ConnectionManager)
 	return &SyncRequesterImpl{server: s, errorHdlr: errorHdlr}
 }

pkg/sync/syncscheduler.go

@@ -1,8 +1,8 @@
 package sync
 
 import (
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
 )
 
 // Run implements SyncScheduler.
@@ -14,5 +14,5 @@ func syncFunction(syncer Syncer) lib.TimerFunc {
 }
 
 func NewSyncScheduler(s *ctrlserver.MeshCtrlServer, syncRequester SyncRequester, syncer Syncer) *lib.Timer {
-	return lib.NewTimer(syncFunction(syncer), int(s.Conf.SyncRate))
+	return lib.NewTimer(syncFunction(syncer), s.Conf.SyncTime)
 }

pkg/sync/syncservice.go

@@ -6,9 +6,9 @@ import (
 	"errors"
 	"io"
 
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
-	"github.com/tim-beatham/wgmesh/pkg/rpc"
+	"github.com/tim-beatham/smegmesh/pkg/rpc"
 )
 
 type SyncServiceImpl struct {

pkg/timers/timers.go

@@ -1,9 +1,9 @@
 package timer
 
 import (
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
 )
 
 func NewTimestampScheduler(ctrlServer *ctrlserver.MeshCtrlServer) lib.Timer {
@@ -11,6 +11,5 @@ func NewTimestampScheduler(ctrlServer *ctrlserver.MeshCtrlServer) lib.Timer {
 		logging.Log.WriteInfof("Updated Timestamp")
 		return ctrlServer.MeshManager.UpdateTimeStamp()
 	}
-
+	return *lib.NewTimer(timerFunc, ctrlServer.Conf.HeartBeat)
-	return *lib.NewTimer(timerFunc, ctrlServer.Conf.KeepAliveTime)
 }

pkg/wg/stubs.go

@@ -1,15 +1,20 @@
 package wg
 
+import "golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
 type WgInterfaceManipulatorStub struct{}
 
-func (i *WgInterfaceManipulatorStub) CreateInterface(port int) (string, error) {
+// CreateInterface creates a WireGuard interface
-	return "", nil
+func (w *WgInterfaceManipulatorStub) CreateInterface(port int, privateKey *wgtypes.Key) (string, error) {
+	return "aninterface", nil
 }
 
-func (i *WgInterfaceManipulatorStub) AddAddress(ifName string, addr string) error {
+// AddAddress adds an address to the given interface name
+func (w *WgInterfaceManipulatorStub) AddAddress(ifName string, addr string) error {
 	return nil
 }
 
-func (i *WgInterfaceManipulatorStub) RemoveInterface(ifName string) error {
+// RemoveInterface removes the specified interface
+func (w *WgInterfaceManipulatorStub) RemoveInterface(ifName string) error {
 	return nil
 }

pkg/wg/types.go

@@ -2,14 +2,6 @@ package wg
 
 import "golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 
-type WgError struct {
-	msg string
-}
-
-func (m *WgError) Error() string {
-	return m.msg
-}
-
 type WgInterfaceManipulator interface {
 	// CreateInterface creates a WireGuard interface
 	CreateInterface(port int, privateKey *wgtypes.Key) (string, error)
@@ -18,3 +10,11 @@ type WgInterfaceManipulator interface {
 	// RemoveInterface removes the specified interface
 	RemoveInterface(ifName string) error
 }
+
+type WgError struct {
+	msg string
+}
+
+func (m *WgError) Error() string {
+	return m.msg
+}

pkg/wg/wg.go

@@ -5,8 +5,8 @@ import (
 	"crypto/rand"
 	"fmt"
 
-	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/smegmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	logging "github.com/tim-beatham/smegmesh/pkg/log"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )