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

@@ -6,8 +6,10 @@ import (
 	"os"
 
 	"github.com/akamensky/argparse"
-	"github.com/tim-beatham/wgmesh/pkg/ipc"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	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"
@@ -20,25 +22,22 @@ type CreateMeshParams struct {
 	AdvertiseDefault bool
 }
 
-func createMesh(params *CreateMeshParams) string {
+func createMesh(client *ipc.SmegmeshIpc, args *ipc.NewMeshArgs) {
 	var reply string
-	newMeshParams := ipc.NewMeshArgs{
+	err := client.CreateMesh(args, &reply)
-		WgArgs: params.WgArgs,
-	}
-
-	err := params.Client.Call("IpcHandler.CreateMesh", &newMeshParams, &reply)
 
 	if err != nil {
-		return err.Error()
+		fmt.Println(err.Error())
+		return
 	}
 
-	return reply
+	fmt.Println(reply)
 }
 
-func listMeshes(client *ipcRpc.Client) {
+func listMeshes(client *ipc.SmegmeshIpc) {
 	reply := new(ipc.ListMeshReply)
 
-	err := client.Call("IpcHandler.ListMeshes", "", &reply)
+	err := client.ListMeshes(reply)
 
 	if err != nil {
 		logging.Log.WriteErrorf(err.Error())
@@ -50,38 +49,22 @@ func listMeshes(client *ipcRpc.Client) {
 	}
 }
 
-type JoinMeshParams struct {
+func joinMesh(client *ipc.SmegmeshIpc, args ipc.JoinMeshArgs) {
-	Client           *ipcRpc.Client
-	MeshId           string
-	IpAddress        string
-	Endpoint         string
-	WgArgs           ipc.WireGuardArgs
-	AdvertiseRoutes  bool
-	AdvertiseDefault bool
-}
-
-func joinMesh(params *JoinMeshParams) string {
 	var reply string
 
-	args := ipc.JoinMeshArgs{
+	err := client.JoinMesh(args, &reply)
-		MeshId:   params.MeshId,
-		IpAdress: params.IpAddress,
-		WgArgs:   params.WgArgs,
-	}
-
-	err := params.Client.Call("IpcHandler.JoinMesh", &args, &reply)
 
 	if err != nil {
-		return err.Error()
+		fmt.Println(err.Error())
 	}
 
-	return reply
+	fmt.Println(reply)
 }
 
-func leaveMesh(client *ipcRpc.Client, meshId string) {
+func leaveMesh(client *ipc.SmegmeshIpc, meshId string) {
 	var reply string
 
-	err := client.Call("IpcHandler.LeaveMesh", &meshId, &reply)
+	err := client.LeaveMesh(meshId, &reply)
 
 	if err != nil {
 		fmt.Println(err.Error())
@@ -91,10 +74,51 @@ func leaveMesh(client *ipcRpc.Client, meshId string) {
 	fmt.Println(reply)
 }
 
-func getGraph(client *ipcRpc.Client, meshId string) {
+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
 
-	err := client.Call("IpcHandler.GetDOT", &meshId, &reply)
+	args := ipc.QueryMesh{
+		MeshId: meshId,
+		Query:  query,
+	}
+
+	err := client.Query(args, &reply)
 
 	if err != nil {
 		fmt.Println(err.Error())
@@ -104,24 +128,13 @@ func getGraph(client *ipcRpc.Client, meshId string) {
 	fmt.Println(reply)
 }
 
-func queryMesh(client *ipcRpc.Client, meshId, query string) {
+func putDescription(client *ipc.SmegmeshIpc, meshId, description string) {
 	var reply string
 
-	err := client.Call("IpcHandler.Query", &ipc.QueryMesh{MeshId: meshId, Query: query}, &reply)
+	err := client.PutDescription(ipc.PutDescriptionArgs{
-
+		MeshId:      meshId,
-	if err != nil {
+		Description: description,
-		fmt.Println(err.Error())
+	}, &reply)
-		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())
@@ -132,10 +145,13 @@ func putDescription(client *ipcRpc.Client, description string) {
 }
 
 // putAlias: puts an alias for the node
-func putAlias(client *ipcRpc.Client, alias string) {
+func putAlias(client *ipc.SmegmeshIpc, meshid, alias string) {
 	var reply string
 
-	err := client.Call("IpcHandler.PutAlias", &alias, &reply)
+	err := client.PutAlias(ipc.PutAliasArgs{
+		MeshId: meshid,
+		Alias:  alias,
+	}, &reply)
 
 	if err != nil {
 		fmt.Println(err.Error())
@@ -145,15 +161,14 @@ func putAlias(client *ipcRpc.Client, alias string) {
 	fmt.Println(reply)
 }
 
-func setService(client *ipcRpc.Client, service, value string) {
+func setService(client *ipc.SmegmeshIpc, meshId, service, value string) {
 	var reply string
 
-	serviceArgs := &ipc.PutServiceArgs{
+	err := client.PutService(ipc.PutServiceArgs{
+		MeshId:  meshId,
 		Service: service,
 		Value:   value,
-	}
+	}, &reply)
-
-	err := client.Call("IpcHandler.PutService", serviceArgs, &reply)
 
 	if err != nil {
 		fmt.Println(err.Error())
@@ -163,10 +178,13 @@ func setService(client *ipcRpc.Client, service, value string) {
 	fmt.Println(reply)
 }
 
-func deleteService(client *ipcRpc.Client, service string) {
+func deleteService(client *ipc.SmegmeshIpc, meshId, service string) {
 	var reply string
 
-	err := client.Call("IpcHandler.PutService", &service, &reply)
+	err := client.DeleteService(ipc.DeleteServiceArgs{
+		MeshId:  meshId,
+		Service: service,
+	}, &reply)
 
 	if err != nil {
 		fmt.Println(err.Error())
@@ -177,8 +195,8 @@ func deleteService(client *ipcRpc.Client, service string) {
 }
 
 func main() {
-	parser := argparse.NewParser("wg-mesh",
+	parser := argparse.NewParser("smgctl",
-		"wg-mesh Manipulate WireGuard mesh networks")
+		"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")
@@ -201,7 +219,6 @@ func main() {
 	})
 
 	var newMeshRole *string = newMeshCmd.Selector("r", "role", []string{"peer", "client"}, &argparse.Options{
-		Default: "peer",
 		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",
@@ -234,7 +251,6 @@ func main() {
 	})
 
 	var joinMeshRole *string = joinMeshCmd.Selector("r", "role", []string{"peer", "client"}, &argparse.Options{
-		Default: "peer",
 		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",
@@ -258,11 +274,6 @@ func main() {
 		Help: "Advertise ::/0 into the mesh network",
 	})
 
-	var getGraphMeshId *string = getGraphCmd.String("m", "mesh", &argparse.Options{
-		Required: true,
-		Help:     "MeshID of the graph to get",
-	})
-
 	var leaveMeshMeshId *string = leaveMeshCmd.String("m", "mesh", &argparse.Options{
 		Required: true,
 		Help:     "MeshID of the mesh to leave",
@@ -282,6 +293,16 @@ func main() {
 		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",
@@ -296,11 +317,21 @@ func main() {
 		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 {
@@ -308,16 +339,13 @@ func main() {
 		return
 	}
 
-	client, err := ipcRpc.DialHTTP("unix", SockAddr)
+	client, err := ipc.NewClientIpc()
 	if err != nil {
-		fmt.Println(err.Error())
+		panic(err)
-		return
 	}
 
 	if newMeshCmd.Happened() {
-		fmt.Println(createMesh(&CreateMeshParams{
+		args := &ipc.NewMeshArgs{
-			Client:   client,
-			Endpoint: *newMeshEndpoint,
 			WgArgs: ipc.WireGuardArgs{
 				Endpoint:              *newMeshEndpoint,
 				Role:                  *newMeshRole,
@@ -326,7 +354,9 @@ func main() {
 				AdvertiseDefaultRoute: *newMeshAdvertiseDefaults,
 				AdvertiseRoutes:       *newMeshAdvertiseRoutes,
 			},
-		}))
+		}
+
+		createMesh(client, args)
 	}
 
 	if listMeshCmd.Happened() {
@@ -334,11 +364,9 @@ func main() {
 	}
 
 	if joinMeshCmd.Happened() {
-		fmt.Println(joinMesh(&JoinMeshParams{
+		args := ipc.JoinMeshArgs{
-			Client:    client,
 			IpAddress: *joinMeshIpAddress,
 			MeshId:    *joinMeshId,
-			Endpoint:  *joinMeshEndpoint,
 			WgArgs: ipc.WireGuardArgs{
 				Endpoint:              *joinMeshEndpoint,
 				Role:                  *joinMeshRole,
@@ -347,11 +375,12 @@ func main() {
 				AdvertiseDefaultRoute: *joinMeshAdvertiseDefaults,
 				AdvertiseRoutes:       *joinMeshAdvertiseRoutes,
 			},
-		}))
+		}
+		joinMesh(client, args)
 	}
 
 	if getGraphCmd.Happened() {
-		getGraph(client, *getGraphMeshId)
+		getGraph(client)
 	}
 
 	if leaveMeshCmd.Happened() {
@@ -363,18 +392,18 @@ func main() {
 	}
 
 	if putDescriptionCmd.Happened() {
-		putDescription(client, *description)
+		putDescription(client, *descriptionMeshId, *description)
 	}
 
 	if putAliasCmd.Happened() {
-		putAlias(client, *alias)
+		putAlias(client, *aliasMeshId, *alias)
 	}
 
 	if setServiceCmd.Happened() {
-		setService(client, *serviceKey, *serviceValue)
+		setService(client, *serviceMeshId, *serviceKey, *serviceValue)
 	}
 
 	if deleteServiceCmd.Happened() {
-		deleteService(client, *deleteServiceKey)
+		deleteService(client, *deleteServiceMeshid, *deleteServiceKey)
 	}
 }

cmd/smegd/main.go

@@ -6,14 +6,14 @@ 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"
 )
 
@@ -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/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

@@ -1,4 +1,4 @@
-module github.com/tim-beatham/wgmesh
+module github.com/tim-beatham/smegmesh
 
 go 1.21.3
 
@@ -11,11 +11,11 @@ require (
 	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
-	gonum.org/v1/gonum v0.14.0
 	google.golang.org/grpc v1.58.1
 	google.golang.org/protobuf v1.31.0
 	gopkg.in/yaml.v3 v3.0.1

go.sum

@@ -27,8 +27,6 @@ github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/o
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js=
-github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 github.com/go-playground/validator/v10 v10.16.0 h1:x+plE831WK4vaKHO/jpgUGsvLKIqRRkz6M78GuJAfGE=
 github.com/go-playground/validator/v10 v10.16.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
@@ -57,6 +55,8 @@ github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZX
 github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
 github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
 github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
+github.com/lithammer/shortuuid v3.0.0+incompatible h1:NcD0xWW/MZYXEHa6ITy6kaXN5nwm/V115vj2YXfhS0w=
+github.com/lithammer/shortuuid v3.0.0+incompatible/go.mod h1:FR74pbAuElzOUuenUHTK2Tciko1/vKuIKS9dSkDrA4w=
 github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mdlayher/genetlink v1.3.2 h1:KdrNKe+CTu+IbZnm/GVUMXSqBBLqcGpRDa0xkQy56gw=
@@ -123,8 +123,6 @@ golang.zx2c4.com/wireguard v0.0.0-20230704135630-469159ecf7d1 h1:EY138uSo1JYlDq+
 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=
-gonum.org/v1/gonum v0.14.0 h1:2NiG67LD1tEH0D7kM+ps2V+fXmsAnpUeec7n8tcr4S0=
-gonum.org/v1/gonum v0.14.0/go.mod h1:AoWeoz0becf9QMWtE8iWXNXc27fK4fNeHNf/oMejGfU=
 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=

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
 }
 
@@ -106,7 +102,7 @@ func (s *SmegServer) CreateMesh(c *gin.Context) {
 
 	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{
@@ -133,7 +129,7 @@ func (s *SmegServer) JoinMesh(c *gin.Context) {
 
 	ipcRequest := ipc.JoinMeshArgs{
 		MeshId:    joinMesh.MeshId,
-		IpAdress: joinMesh.Bootstrap,
+		IpAddress: joinMesh.Bootstrap,
 		WgArgs: ipc.WireGuardArgs{
 			WgPort: joinMesh.WgPort,
 		},
@@ -141,7 +137,7 @@ func (s *SmegServer) JoinMesh(c *gin.Context) {
 
 	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{
@@ -164,7 +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,
@@ -182,7 +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())
@@ -195,7 +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())
@@ -215,7 +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
@@ -239,9 +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/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"
 )

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

@@ -6,9 +6,9 @@ import (
 	"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"
 )
 

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{}

pkg/conf/conf.go

@@ -47,7 +47,6 @@ type WgConfiguration struct {
 	// 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.
-	// KeepAlive can only be set if role is type client
 	KeepAliveWg *int `yaml:"keepAliveWg" validate:"omitempty,gte=0"`
 	// PreUp are WireGuard commands to run before adding the WG interface
 	PreUp []string `yaml:"preUp"`
@@ -77,11 +76,13 @@ type DaemonConfiguration struct {
 	Profile bool `yaml:"profile"`
 	// StubWg whether or not to stub the WireGuard types
 	StubWg bool `yaml:"stubWg"`
-	// SyncRate specifies how long the minimum time should be between synchronisation
+	// SyncTime specifies how long the minimum time should be between synchronisation
-	SyncRate int `yaml:"syncRate" validate:"required,gte=1"`
+	SyncTime int `yaml:"syncTime" validate:"required,gte=1"`
-	// KeepAliveTime: number of seconds before the leader of the mesh sends an update to
+	// PullTime specifies the interval between checking for configuration changes
+	PullTime int `yaml:"pullTime" validate:"gte=0"`
+	// HeartBeat: number of seconds before the leader of the mesh sends an update to
 	// send to every member in the mesh
-	KeepAliveTime int `yaml:"keepAliveTime" validate:"required,gte=1"`
+	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
@@ -126,26 +127,6 @@ func ValidateDaemonConfiguration(c *DaemonConfiguration) error {
 	return err
 }
 
-// ParseMeshConfiguration: parses the mesh network configuration. Parses parameters such as
-// keepalive time, role and so forth.
-func ParseMeshConfiguration(filePath string) (*WgConfiguration, error) {
-	var conf WgConfiguration
-
-	yamlBytes, err := os.ReadFile(filePath)
-
-	if err != nil {
-		return nil, err
-	}
-
-	err = yaml.Unmarshal(yamlBytes, &conf)
-
-	if err != nil {
-		return nil, err
-	}
-
-	return &conf, ValidateMeshConfiguration(&conf)
-}
-
 // ParseDaemonConfiguration parses the mesh configuration and validates the configuration
 func ParseDaemonConfiguration(filePath string) (*DaemonConfiguration, error) {
 	var conf DaemonConfiguration
@@ -162,6 +143,11 @@ func ParseDaemonConfiguration(filePath string) (*DaemonConfiguration, error) {
 		return nil, err
 	}
 
+	if conf.BaseConfiguration.KeepAliveWg == nil {
+		var keepAlive int = 0
+		conf.BaseConfiguration.KeepAliveWg = &keepAlive
+	}
+
 	return &conf, ValidateDaemonConfiguration(&conf)
 }
 

pkg/conf/conf_test.go

@@ -21,11 +21,12 @@ func getExampleConfiguration() *DaemonConfiguration {
 		Timeout:              5,
 		Profile:              false,
 		StubWg:               false,
-		SyncRate:             2,
+		SyncTime:             2,
-		KeepAliveTime:        2,
+		HeartBeat:            2,
 		ClusterSize:          64,
 		InterClusterChance:   0.15,
 		BranchRate:           3,
+		PullTime:             0,
 		InfectionCount:       2,
 		BaseConfiguration: WgConfiguration{
 			IPDiscovery:           &discovery,
@@ -162,9 +163,9 @@ func TestBranchRateZero(t *testing.T) {
 	}
 }
 
-func TestSyncRateZero(t *testing.T) {
+func TestsyncTimeZero(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.SyncRate = 0
+	conf.SyncTime = 0
 
 	err := ValidateDaemonConfiguration(conf)
 
@@ -175,7 +176,7 @@ func TestSyncRateZero(t *testing.T) {
 
 func TestKeepAliveTimeZero(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.KeepAliveTime = 0
+	conf.HeartBeat = 0
 	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
@@ -215,6 +216,17 @@ func TestInfectionCountOne(t *testing.T) {
 	}
 }
 
+func TestPullTimeNegative(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.PullTime = -1
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
 func TestValidConfiguration(t *testing.T) {
 	conf := getExampleConfiguration()
 	err := ValidateDaemonConfiguration(conf)

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))))

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
 }
@@ -61,16 +62,8 @@ 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")
 	}
@@ -81,17 +74,13 @@ func NewConnectionManager(params *NewConnectionManagerParams) (ConnectionManager
 		return nil, err
 	}
 
-		certPool.AppendCertsFromPEM(caCert)
+	if ok := certPool.AppendCertsFromPEM(caCert); !ok {
-	}
+		return nil, errors.New("could not parse PEM")
-
-	serverConfig := &tls.Config{
-		ClientAuth:   serverAuth,
-		Certificates: []tls.Certificate{cert},
 	}
 
 	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

@@ -2,22 +2,23 @@ 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
@@ -48,9 +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(
@@ -61,7 +79,6 @@ func NewConnectionServer(params *NewConnectionServerParams) (*ConnectionServer,
 	syncProvider := params.SyncProvider
 
 	connServer := ConnectionServer{
-		serverConfig: serverConfig,
 		server:       server,
 		ctrlProvider: ctrlProvider,
 		syncProvider: syncProvider,
@@ -74,7 +91,6 @@ 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", fmt.Sprintf(":%d", s.Conf.GrpcPort))

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/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"
 )
@@ -158,8 +158,8 @@ type TwoPhaseStoreMeshManager struct {
 	IfName     string
 	Client     *wgctrl.Client
 	LastClock  uint64
-	conf       *conf.WgConfiguration
+	Conf       *conf.WgConfiguration
-	daemonConf *conf.DaemonConfiguration
+	DaemonConf *conf.DaemonConfiguration
 	store      *TwoPhaseMap[string, MeshNode]
 }
 
@@ -204,7 +204,6 @@ func (m *TwoPhaseStoreMeshManager) Save() []byte {
 
 	var buf bytes.Buffer
 	enc := gob.NewEncoder(&buf)
-
 	err := enc.Encode(*snapshot)
 
 	if err != nil {
@@ -265,7 +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.daemonConf.KeepAliveTime) {
+	if uint64(time.Now().Unix())-m.store.Clock.GetTimestamp(peerToUpdate) > 3*uint64(m.DaemonConf.HeartBeat) {
 		m.store.Mark(peerToUpdate)
 
 		if len(peers) < 2 {
@@ -411,6 +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
@@ -510,5 +514,5 @@ func (m *TwoPhaseStoreMeshManager) RemoveNode(nodeId string) error {
 
 // GetConfiguration implements mesh.MeshProvider.
 func (m *TwoPhaseStoreMeshManager) GetConfiguration() *conf.WgConfiguration {
-	return m.conf
+	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

@@ -4,9 +4,9 @@ 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 {
@@ -18,13 +18,13 @@ func (f *TwoPhaseMapFactory) CreateMesh(params *mesh.MeshProviderFactoryParams)
 		MeshId:     params.MeshId,
 		IfName:     params.DevName,
 		Client:     params.Client,
-		conf:       params.Conf,
+		Conf:       params.Conf,
-		daemonConf: params.DaemonConf,
+		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*f.Config.KeepAliveTime)),
+		}, uint64(3*f.Config.HeartBeat)),
 	}, nil
 }
 

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 {

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

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 {

pkg/ctrlserver/ctrlserver.go

@@ -1,16 +1,16 @@
 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"
 )
 
@@ -34,7 +34,7 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	nodeFactory := &crdt.MeshNodeFactory{
 		Config: *params.Conf,
 	}
-	idGenerator := &lib.IDNameGenerator{}
+	idGenerator := &lib.ShortIDGenerator{}
 	ipAllocator := &ip.ULABuilder{}
 	interfaceManipulator := wg.NewWgInterfaceManipulator(params.Client)
 
@@ -89,7 +89,6 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	return ctrlServer, nil
 }
 
-
 func (s *MeshCtrlServer) GetConfiguration() *conf.DaemonConfiguration {
 	return s.Conf
 }

pkg/ctrlserver/ctrltypes.go

@@ -4,11 +4,11 @@ import (
 	"net"
 	"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"
-	"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"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )

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"
 )
 

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/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

@@ -5,11 +5,27 @@ import (
 	"net"
 	"net/http"
 	"net/rpc"
+	ipcRpc "net/rpc"
 	"os"
 
-	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/smegmesh/pkg/ctrlserver"
 )
 
+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
@@ -39,7 +55,7 @@ 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
 	// WgArgs is the WireGuard parameters to use.
 	WgArgs WireGuardArgs
 }
@@ -47,6 +63,22 @@ type JoinMeshArgs struct {
 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 {
@@ -62,21 +94,78 @@ type QueryMesh struct {
 	Query  string
 }
 
-type MeshIpc interface {
+type ClientIpc 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
-	DeleteService(service string, reply *string) error
+	DeleteService(args DeleteServiceArgs, 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/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"
 )
 

pkg/mesh/config.go

@@ -7,10 +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"
-	"github.com/tim-beatham/wgmesh/pkg/route"
+	"github.com/tim-beatham/smegmesh/pkg/route"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
@@ -91,7 +91,11 @@ func (m *WgMeshConfigApplyer) convertMeshNode(params convertMeshNodeParams) (*wg
 		return p.PublicKey.String() == pubKey.String()
 	})
 
-	endpoint, err := net.ResolveUDPAddr("udp", params.node.GetWgEndpoint())
+	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
@@ -115,7 +119,7 @@ func (m *WgMeshConfigApplyer) convertMeshNode(params convertMeshNodeParams) (*wg
 
 // 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)
 
@@ -154,16 +158,18 @@ func (m *WgMeshConfigApplyer) getRoutes(meshProvider MeshProvider) map[string][]
 			// Client's only acessible by another peer
 			if node.GetType() == conf.CLIENT_ROLE {
 				peer := m.getCorrespondingPeer(peers, node)
-				self, _ := m.meshManager.GetSelf(meshProvider.GetMeshId())
+				self, err := meshProvider.GetNode(m.meshManager.GetPublicKey().String())
+
+				if err != nil {
+					return nil, err
+				}
 
-				// If the node isn't the self use that peer as the gateway
 				if !NodeEquals(peer, self) {
 					peerPub, _ := peer.GetPublicKey()
 					rn.gateway = peerPub.String()
 					rn.route = &RouteStub{
 						Destination: rn.route.GetDestination(),
 						HopCount:    rn.route.GetHopCount() + 1,
-						// Append the path to this peer
 						Path:        append(rn.route.GetPath(), peer.GetWgHost().IP.String()),
 					}
 				}
@@ -181,7 +187,7 @@ func (m *WgMeshConfigApplyer) getRoutes(meshProvider MeshProvider) map[string][]
 		}
 	}
 
-	return routes
+	return routes, nil
 }
 
 // getCorrespondignPeer: gets the peer corresponding to the client
@@ -215,7 +221,6 @@ type GetConfigParams struct {
 }
 
 func (m *WgMeshConfigApplyer) getClientConfig(params *GetConfigParams) (*wgtypes.Config, error) {
-	self, err := m.meshManager.GetSelf(params.mesh.GetMeshId())
 	ula := &ip.ULABuilder{}
 	meshNet, _ := ula.GetIPNet(params.mesh.GetMeshId())
 
@@ -231,6 +236,8 @@ func (m *WgMeshConfigApplyer) getClientConfig(params *GetConfigParams) (*wgtypes
 	})
 	routes = append(routes, *meshNet)
 
+	self, err := params.mesh.GetNode(m.meshManager.GetPublicKey().String())
+
 	if err != nil {
 		return nil, err
 	}
@@ -298,7 +305,7 @@ func (m *WgMeshConfigApplyer) getPeerConfig(params *GetConfigParams) (*wgtypes.C
 	peerToClients := make(map[string][]net.IPNet)
 	installedRoutes := make([]lib.Route, 0)
 	peerConfigs := make([]wgtypes.PeerConfig, 0)
-	self, err := m.meshManager.GetSelf(params.mesh.GetMeshId())
+	self, err := params.mesh.GetNode(m.meshManager.GetPublicKey().String())
 
 	if err != nil {
 		return nil, err
@@ -389,7 +396,7 @@ func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider, routes map[string]
 		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
@@ -428,11 +435,15 @@ func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider, routes map[string]
 	return nil
 }
 
-func (m *WgMeshConfigApplyer) getAllRoutes() map[string][]routeNode {
+func (m *WgMeshConfigApplyer) getAllRoutes() (map[string][]routeNode, error) {
 	allRoutes := make(map[string][]routeNode)
 
 	for _, mesh := range m.meshManager.GetMeshes() {
-		routes := m.getRoutes(mesh)
+		routes, err := m.getRoutes(mesh)
+
+		if err != nil {
+			return nil, err
+		}
 
 		for destination, route := range routes {
 			_, ok := allRoutes[destination]
@@ -450,11 +461,15 @@ func (m *WgMeshConfigApplyer) getAllRoutes() map[string][]routeNode {
 		}
 	}
 
-	return allRoutes
+	return allRoutes, nil
 }
 
 func (m *WgMeshConfigApplyer) ApplyConfig() error {
-	allRoutes := m.getAllRoutes()
+	allRoutes, err := m.getAllRoutes()
+
+	if err != nil {
+		return err
+	}
 
 	for _, mesh := range m.meshManager.GetMeshes() {
 		err := m.updateWgConf(mesh, allRoutes)

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

@@ -3,13 +3,15 @@ package mesh
 import (
 	"errors"
 	"fmt"
+	"net"
 	"sync"
 
-	"github.com/tim-beatham/wgmesh/pkg/cmd"
+	"github.com/tim-beatham/smegmesh/pkg/cmd"
-	"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"
+	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"
 )
@@ -24,10 +26,10 @@ 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
@@ -61,29 +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 {
@@ -134,6 +140,10 @@ func (m *MeshManagerImpl) CreateMesh(args *CreateMeshParams) (string, error) {
 		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 = ""
@@ -277,12 +287,38 @@ func (s *MeshManagerImpl) AddSelf(params *AddSelfParams) error {
 
 	pubKey := s.HostParameters.PrivateKey.PublicKey()
 
-	nodeIP, err := s.ipAllocator.GetIP(pubKey, params.MeshId)
+	collisionCount := uint8(0)
+
+	var nodeIP net.IP
+
+	// 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,
 		NodeIP:     nodeIP,
@@ -320,7 +356,7 @@ func (s *MeshManagerImpl) LeaveMesh(meshId string) error {
 	err := mesh.RemoveNode(s.HostParameters.GetPublicKey())
 
 	if err != nil {
-		return err
+		logging.Log.WriteErrorf(err.Error())
 	}
 
 	if s.OnDelete != nil {
@@ -348,7 +384,6 @@ func (s *MeshManagerImpl) LeaveMesh(meshId string) error {
 	}
 
 	s.cmdRunner.RunCommands(s.conf.BaseConfiguration.PostDown...)
-
 	return err
 }
 
@@ -373,43 +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)
 	}
+
+	if !mesh.NodeExists(s.HostParameters.GetPublicKey()) {
+		return fmt.Errorf("node %s does not exist in the mesh", meshId)
 	}
-	}
+
-	return nil
+	return mesh.SetAlias(s.HostParameters.GetPublicKey(), alias)
 }
 
 // UpdateTimeStamp updates the timestamp of this node in all meshes

pkg/mesh/manager_test.go

@@ -3,10 +3,10 @@ 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.DaemonConfiguration {
@@ -24,8 +24,8 @@ func getMeshConfiguration() *conf.DaemonConfiguration {
 		Timeout:              5,
 		Profile:              false,
 		StubWg:               true,
-		SyncRate:             2,
+		SyncTime:             2,
-		KeepAliveTime:        60,
+		HeartBeat:            60,
 		ClusterSize:          64,
 		InterClusterChance:   0.15,
 		BranchRate:           3,
@@ -213,7 +213,7 @@ func TestLeaveMeshDeletesMesh(t *testing.T) {
 	}
 }
 
-func TestSetAlias(t *testing.T) {
+func TestSetAliasUpdatesAliasOfNode(t *testing.T) {
 	manager := getMeshManager()
 	alias := "Firpo"
 
@@ -221,14 +221,13 @@ func TestSetAlias(t *testing.T) {
 		Port: 5000,
 		Conf: &conf.WgConfiguration{},
 	})
-
 	manager.AddSelf(&AddSelfParams{
 		MeshId:   meshId,
 		WgPort:   5000,
 		Endpoint: "abc.com:8080",
 	})
 
-	err := manager.SetAlias(alias)
+	err := manager.SetAlias(meshId, alias)
 
 	if err != nil {
 		t.Fatalf(`failed to set the alias`)
@@ -245,7 +244,7 @@ func TestSetAlias(t *testing.T) {
 	}
 }
 
-func TestSetDescription(t *testing.T) {
+func TestSetDescriptionSetsTheDescriptionOfTheNode(t *testing.T) {
 	manager := getMeshManager()
 	description := "wooooo"
 
@@ -254,23 +253,13 @@ func TestSetDescription(t *testing.T) {
 		Conf: &conf.WgConfiguration{},
 	})
 
-	meshId2, _ := manager.CreateMesh(&CreateMeshParams{
-		Port: 5001,
-		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`)
@@ -285,18 +274,7 @@ func TestSetDescription(t *testing.T) {
 	if description != self1.GetDescription() {
 		t.Fatalf(`description should be %s was %s`, description, self1.GetDescription())
 	}
-
-	self2, err := manager.GetSelf(meshId2)
-
-	if err != nil {
-		t.Fatalf(`failed to set the description`)
-	}
-
-	if description != self2.GetDescription() {
-		t.Fatalf(`description should be %s was %s`, description, self2.GetDescription())
-	}
 }
-
 func TestUpdateTimeStampUpdatesAllMeshes(t *testing.T) {
 	manager := getMeshManager()
 
@@ -327,3 +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/route.go

@@ -3,8 +3,8 @@ package mesh
 import (
 	"net"
 
-	"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"
 )
 
 type RouteManager interface {
@@ -24,7 +24,7 @@ func (r *RouteManagerImpl) UpdateRoutes() error {
 			continue
 		}
 
-		self, err := r.meshManager.GetSelf(mesh1.GetMeshId())
+		self, err := mesh1.GetNode(r.meshManager.GetPublicKey().String())
 
 		if err != nil {
 			return err
@@ -90,11 +90,20 @@ func (r *RouteManagerImpl) UpdateRoutes() error {
 
 	// Calculate the set different of each, working out routes to remove and to keep.
 	for meshId, meshRoutes := range routes {
-		mesh := r.meshManager.GetMesh(meshId)
+		mesh := meshes[meshId]
-		self, _ := r.meshManager.GetSelf(meshId)
-		toRemove := make([]Route, 0)
 
-		prevRoutes, _ := mesh.GetRoutes(NodeID(self))
+		self, err := mesh.GetNode(r.meshManager.GetPublicKey().String())
+
+		if err != nil {
+			return err
+		}
+
+		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 {

pkg/mesh/stub_types.go

@@ -5,8 +5,8 @@ import (
 	"net"
 	"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"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
@@ -30,8 +30,8 @@ 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.
@@ -249,6 +249,7 @@ func (s *StubNodeFactory) Build(params *MeshNodeFactoryParams) MeshNode {
 		routes:       make([]Route, 0),
 		identifier:   "abc",
 		description:  "A Mesh Node Stub",
+		services:     make(map[string]string),
 	}
 }
 
@@ -271,32 +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
 }
 
 // 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.
@@ -348,7 +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

@@ -6,7 +6,7 @@ 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"
 )
@@ -81,6 +81,10 @@ func NodeEquals(node1, node2 MeshNode) bool {
 	key1, _ := node1.GetPublicKey()
 	key2, _ := node2.GetPublicKey()
 
+	if node1 == nil || node2 == nil {
+		return false
+	}
+
 	return key1.String() == key2.String()
 }
 

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

@@ -7,11 +7,11 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"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"
-	"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 IpcHandler struct {
@@ -43,10 +43,6 @@ func getOverrideConfiguration(args *ipc.WireGuardArgs) conf.WgConfiguration {
 func (n *IpcHandler) CreateMesh(args *ipc.NewMeshArgs, reply *string) error {
 	overrideConf := getOverrideConfiguration(&args.WgArgs)
 
-	if overrideConf.Role != nil && *overrideConf.Role == conf.CLIENT_ROLE {
-		return fmt.Errorf("cannot create a mesh with no public endpoint")
-	}
-
 	meshId, err := n.Server.GetMeshManager().CreateMesh(&mesh.CreateMeshParams{
 		Port: args.WgArgs.WgPort,
 		Conf: &overrideConf,
@@ -83,10 +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 {
 	overrideConf := getOverrideConfiguration(&args.WgArgs)
 
-	peerConnection, err := n.Server.GetConnectionManager().GetConnection(args.IpAdress)
+	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
@@ -147,7 +147,6 @@ func (n *IpcHandler) LeaveMesh(meshId string, reply *string) error {
 	if err == nil {
 		*reply = fmt.Sprintf("Left Mesh %s", meshId)
 	}
-
 	return err
 }
 
@@ -182,19 +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)
 
@@ -206,30 +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
@@ -239,8 +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

pkg/robin/requester_test.go

@@ -3,10 +3,10 @@ package robin
 import (
 	"testing"
 
-	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/smegmesh/pkg/conf"
-	"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"
-	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"github.com/tim-beatham/smegmesh/pkg/mesh"
 )
 
 func getRequester() *IpcHandler {

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"
 )
 

pkg/sync/syncer.go

@@ -1,22 +1,22 @@
 package sync
 
 import (
-	"errors"
 	"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
 }
 
@@ -27,54 +27,71 @@ type SyncerImpl struct {
 	syncCount      int
 	cluster        conn.ConnCluster
 	conf           *conf.DaemonConfiguration
-	lastSync       map[string]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 can be nil if the node is removed
+	if correspondingMesh == nil {
-	self, _ := s.manager.GetSelf(meshId)
+		return fmt.Errorf("mesh provided was nil cannot sync nil mesh")
+	}
 
-	correspondingMesh := s.manager.GetMesh(meshId)
+	// 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 self != nil && self.GetType() == conf.PEER_ROLE && !s.manager.HasChanges(meshId) && s.infectionCount == 0 {
+	if correspondingMesh.HasChanges() {
-		logging.Log.WriteInfof("No changes for %s", meshId)
+		logging.Log.WriteInfof("meshes %s has changes", correspondingMesh.GetMeshId())
+	}
 
-		// If not synchronised in certain pull from random neighbour
+	// If removed sync with other nodes to gossip the node is removed
-		if uint64(time.Now().Unix())-s.lastSync[meshId] > 20 {
+	if self != nil && self.GetType() == conf.PEER_ROLE && !correspondingMesh.HasChanges() && s.infectionCount == 0 {
-			return s.Pull(meshId)
+		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)
 		}
 
 		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()
-
-	logging.Log.WriteInfof(publicKey.String())
-
 	nodeNames := correspondingMesh.GetPeers()
 
-	if self != nil {
 	nodeNames = lib.Filter(nodeNames, func(s string) bool {
-			return s != mesh.NodeID(self)
+		// Filter our only public key out so we dont sync with ourself
+		return s != publicKey.String()
 	})
-	}
 
 	var gossipNodes []string
 
 	// Clients always pings its peer for configuration
-	if self != nil && 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)
@@ -88,65 +105,48 @@ 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
+		if err != nil {
-			// itself
+			logging.Log.WriteErrorf(err.Error())
-			s.manager.GetMesh(meshId).Mark(node)
 		}
 	}
 
 	s.syncCount++
-	logging.Log.WriteInfof("SYNC TIME: %v", time.Since(before))
+	logging.Log.WriteInfof("sync time: %v", time.Since(before))
-	logging.Log.WriteInfof("SYNC COUNT: %d", s.syncCount)
+	logging.Log.WriteInfof("number of syncs: %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()
+	correspondingMesh.SaveChanges()
-	s.lastSync[meshId] = 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)
-	}
 
+	s.lock.Lock()
+	s.lastSync[correspondingMesh.GetMeshId()] = time.Now().Unix()
+	s.lock.Unlock()
 	return nil
 }
 
 // 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(meshId string) error {
+func (s *SyncerImpl) Pull(self mesh.MeshNode, mesh mesh.MeshProvider) error {
-	mesh := s.manager.GetMesh(meshId)
+	peers := mesh.GetPeers()
-	self, err := s.manager.GetSelf(meshId)
-
-	if err != nil {
-		return err
-	}
-
 	pubKey, _ := self.GetPublicKey()
 
-	if mesh == nil {
-		return errors.New("mesh is nil, invalid operation")
-	}
-
-	peers := mesh.GetPeers()
 	neighbours := s.cluster.GetNeighbours(peers, pubKey.String())
 	neighbour := lib.RandomSubsetOfLength(neighbours, 1)
 
@@ -155,7 +155,7 @@ func (s *SyncerImpl) Pull(meshId string) error {
 		return nil
 	}
 
-	logging.Log.WriteInfof("PULLING from node %s", neighbour[0])
+	logging.Log.WriteInfof("pulling from node %s", neighbour[0])
 
 	pullNode, err := mesh.GetNode(neighbour[0])
 
@@ -163,10 +163,10 @@ func (s *SyncerImpl) Pull(meshId string) error {
 		return fmt.Errorf("node %s does not exist in the mesh", neighbour[0])
 	}
 
-	err = s.requester.SyncMesh(meshId, pullNode)
+	err = s.requester.SyncMesh(mesh.GetMeshId(), pullNode)
 
 	if err == nil || err == io.EOF {
-		s.lastSync[meshId] = uint64(time.Now().Unix())
+		s.lastSync[mesh.GetMeshId()] = time.Now().Unix()
 	} else {
 		return err
 	}
@@ -177,14 +177,31 @@ func (s *SyncerImpl) Pull(meshId string) error {
 
 // SyncMeshes: Sync all meshes
 func (s *SyncerImpl) SyncMeshes() error {
-	for meshId := range s.manager.GetMeshes() {
+	var wg sync.WaitGroup
-		err := s.Sync(meshId)
+
+	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
 }
 
@@ -197,5 +214,5 @@ func NewSyncer(m mesh.MeshManager, conf *conf.DaemonConfiguration, r SyncRequest
 		infectionCount: 0,
 		syncCount:      0,
 		cluster:        cluster,
-		lastSync:       make(map[string]uint64)}
+		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 := float64(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), 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 {
@@ -11,5 +11,5 @@ func NewTimestampScheduler(ctrlServer *ctrlserver.MeshCtrlServer) lib.Timer {
 		logging.Log.WriteInfof("Updated Timestamp")
 		return ctrlServer.MeshManager.UpdateTimeStamp()
 	}
-	return *lib.NewTimer(timerFunc, ctrlServer.Conf.KeepAliveTime)
+	return *lib.NewTimer(timerFunc, ctrlServer.Conf.HeartBeat)
 }

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"
 )