61-improve-unit-testing-coverage

- Added missing files to commit

Containerfile

@@ -8,4 +8,5 @@ RUN apt-get update && apt-get install -y \
     tmux \
     vim
 WORKDIR /wgmesh
+RUN go mod tidy
 RUN go build -o /usr/local/bin ./...

cmd/dns/main.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"log"
+
+	smegdns "github.com/tim-beatham/wgmesh/pkg/dns"
+)
+
+func main() {
+	server, err := smegdns.NewDns(53)
+
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	defer server.Close()
+	server.Listen()
+}

cmd/wg-mesh/main.go

@@ -4,8 +4,6 @@ import (
 	"fmt"
 	ipcRpc "net/rpc"
 	"os"
-	"strings"
-	"time"
 
 	"github.com/akamensky/argparse"
 	"github.com/tim-beatham/wgmesh/pkg/ipc"
@@ -15,19 +13,20 @@ import (
 const SockAddr = "/tmp/wgmesh_ipc.sock"
 
 type CreateMeshParams struct {
-	Client   *ipcRpc.Client
+	Client           *ipcRpc.Client
-	WgPort   int
+	Endpoint         string
-	Endpoint string
+	WgArgs           ipc.WireGuardArgs
+	AdvertiseRoutes  bool
+	AdvertiseDefault bool
 }
 
-func createMesh(args *CreateMeshParams) string {
+func createMesh(params *CreateMeshParams) string {
 	var reply string
 	newMeshParams := ipc.NewMeshArgs{
-		WgPort:   args.WgPort,
+		WgArgs: params.WgArgs,
-		Endpoint: args.Endpoint,
 	}
 
-	err := args.Client.Call("IpcHandler.CreateMesh", &newMeshParams, &reply)
+	err := params.Client.Call("IpcHandler.CreateMesh", &newMeshParams, &reply)
 
 	if err != nil {
 		return err.Error()
@@ -52,12 +51,13 @@ func listMeshes(client *ipcRpc.Client) {
 }
 
 type JoinMeshParams struct {
-	Client    *ipcRpc.Client
+	Client           *ipcRpc.Client
-	MeshId    string
+	MeshId           string
-	IpAddress string
+	IpAddress        string
-	IfName    string
+	Endpoint         string
-	WgPort    int
+	WgArgs           ipc.WireGuardArgs
-	Endpoint  string
+	AdvertiseRoutes  bool
+	AdvertiseDefault bool
 }
 
 func joinMesh(params *JoinMeshParams) string {
@@ -66,7 +66,7 @@ func joinMesh(params *JoinMeshParams) string {
 	args := ipc.JoinMeshArgs{
 		MeshId:   params.MeshId,
 		IpAdress: params.IpAddress,
-		Port:     params.WgPort,
+		WgArgs:   params.WgArgs,
 	}
 
 	err := params.Client.Call("IpcHandler.JoinMesh", &args, &reply)
@@ -78,30 +78,6 @@ func joinMesh(params *JoinMeshParams) string {
 	return reply
 }
 
-func getMesh(client *ipcRpc.Client, meshId string) {
-	reply := new(ipc.GetMeshReply)
-
-	err := client.Call("IpcHandler.GetMesh", &meshId, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	for _, node := range reply.Nodes {
-		fmt.Println("Public Key: " + node.PublicKey)
-		fmt.Println("Control Endpoint: " + node.HostEndpoint)
-		fmt.Println("WireGuard Endpoint: " + node.WgEndpoint)
-		fmt.Println("Wg IP: " + node.WgHost)
-		fmt.Println(fmt.Sprintf("Timestamp: %s", time.Unix(node.Timestamp, 0).String()))
-
-		advertiseRoutes := strings.Join(node.Routes, ",")
-		fmt.Printf("Routes: %s\n", advertiseRoutes)
-
-		fmt.Println("---")
-	}
-}
-
 func leaveMesh(client *ipcRpc.Client, meshId string) {
 	var reply string
 
@@ -115,19 +91,6 @@ func leaveMesh(client *ipcRpc.Client, meshId string) {
 	fmt.Println(reply)
 }
 
-func enableInterface(client *ipcRpc.Client, meshId string) {
-	var reply string
-
-	err := client.Call("IpcHandler.EnableInterface", &meshId, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
 func getGraph(client *ipcRpc.Client, meshId string) {
 	var reply string
 
@@ -213,31 +176,13 @@ func deleteService(client *ipcRpc.Client, service string) {
 	fmt.Println(reply)
 }
 
-func getNode(client *ipcRpc.Client, nodeId, meshId string) {
-	var reply string
-	args := &ipc.GetNodeArgs{
-		NodeId: nodeId,
-		MeshId: meshId,
-	}
-
-	err := client.Call("IpcHandler.GetNode", &args, &reply)
-
-	if err != nil {
-		fmt.Println(err.Error())
-		return
-	}
-
-	fmt.Println(reply)
-}
-
 func main() {
 	parser := argparse.NewParser("wg-mesh",
-		"wg-mesh Manipulate WireGuard meshes")
+		"wg-mesh Manipulate WireGuard mesh networks")
 
 	newMeshCmd := parser.NewCommand("new-mesh", "Create a new mesh")
 	listMeshCmd := parser.NewCommand("list-meshes", "List meshes the node is connected to")
 	joinMeshCmd := parser.NewCommand("join-mesh", "Join a mesh network")
-	enableInterfaceCmd := parser.NewCommand("enable-interface", "Enable A Specific Mesh Interface")
 	getGraphCmd := parser.NewCommand("get-graph", "Convert a mesh into DOT format")
 	leaveMeshCmd := parser.NewCommand("leave-mesh", "Leave a mesh network")
 	queryMeshCmd := parser.NewCommand("query-mesh", "Query a mesh network using JMESPath")
@@ -245,36 +190,116 @@ func main() {
 	putAliasCmd := parser.NewCommand("put-alias", "Place an alias for the node")
 	setServiceCmd := parser.NewCommand("set-service", "Place a service into your advertisements")
 	deleteServiceCmd := parser.NewCommand("delete-service", "Remove a service from your advertisements")
-	getNodeCmd := parser.NewCommand("get-node", "Get a specific node from the mesh")
 
-	var newMeshPort *int = newMeshCmd.Int("p", "wgport", &argparse.Options{})
+	var newMeshPort *int = newMeshCmd.Int("p", "wgport", &argparse.Options{
-	var newMeshEndpoint *string = newMeshCmd.String("e", "endpoint", &argparse.Options{})
+		Default: 0,
+		Help:    "WireGuard port to use to the interface. A default of 0 uses an unused ephmeral port.",
+	})
 
-	var joinMeshId *string = joinMeshCmd.String("m", "mesh", &argparse.Options{Required: true})
+	var newMeshEndpoint *string = newMeshCmd.String("e", "endpoint", &argparse.Options{
-	var joinMeshIpAddress *string = joinMeshCmd.String("i", "ip", &argparse.Options{Required: true})
+		Help: "Publicly routeable endpoint to advertise within the mesh",
-	var joinMeshPort *int = joinMeshCmd.Int("p", "wgport", &argparse.Options{})
+	})
-	var joinMeshEndpoint *string = joinMeshCmd.String("e", "endpoint", &argparse.Options{})
 
-	var enableInterfaceMeshId *string = enableInterfaceCmd.String("m", "mesh", &argparse.Options{Required: true})
+	var 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",
+	})
+	var newMeshKeepAliveWg *int = newMeshCmd.Int("k", "KeepAliveWg", &argparse.Options{
+		Default: 0,
+		Help:    "WireGuard KeepAlive value for NAT traversal and firewall holepunching",
+	})
 
-	var getGraphMeshId *string = getGraphCmd.String("m", "mesh", &argparse.Options{Required: true})
+	var newMeshAdvertiseRoutes *bool = newMeshCmd.Flag("a", "advertise", &argparse.Options{
+		Help: "Advertise routes to other mesh network into the mesh",
+	})
 
-	var leaveMeshMeshId *string = leaveMeshCmd.String("m", "mesh", &argparse.Options{Required: true})
+	var newMeshAdvertiseDefaults *bool = newMeshCmd.Flag("d", "defaults", &argparse.Options{
+		Help: "Advertise ::/0 into the mesh network",
+	})
 
-	var queryMeshMeshId *string = queryMeshCmd.String("m", "mesh", &argparse.Options{Required: true})
+	var joinMeshId *string = joinMeshCmd.String("m", "meshid", &argparse.Options{
-	var queryMeshQuery *string = queryMeshCmd.String("q", "query", &argparse.Options{Required: true})
+		Required: true,
+		Help:     "MeshID of the mesh network to join",
+	})
 
-	var description *string = putDescriptionCmd.String("d", "description", &argparse.Options{Required: true})
+	var joinMeshIpAddress *string = joinMeshCmd.String("i", "ip", &argparse.Options{
+		Required: true,
+		Help:     "IP address of the bootstrapping node to join through",
+	})
 
-	var alias *string = putAliasCmd.String("a", "alias", &argparse.Options{Required: true})
+	var joinMeshEndpoint *string = joinMeshCmd.String("e", "endpoint", &argparse.Options{
+		Help: "Publicly routeable endpoint to advertise within the mesh",
+	})
 
-	var serviceKey *string = setServiceCmd.String("s", "service", &argparse.Options{Required: true})
+	var joinMeshRole *string = joinMeshCmd.Selector("r", "role", []string{"peer", "client"}, &argparse.Options{
-	var serviceValue *string = setServiceCmd.String("v", "value", &argparse.Options{Required: true})
+		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",
+	})
 
-	var deleteServiceKey *string = deleteServiceCmd.String("s", "service", &argparse.Options{Required: true})
+	var joinMeshPort *int = joinMeshCmd.Int("p", "wgport", &argparse.Options{
+		Default: 0,
+		Help:    "WireGuard port to use to the interface. A default of 0 uses an unused ephmeral port.",
+	})
 
-	var getNodeNodeId *string = getNodeCmd.String("n", "nodeid", &argparse.Options{Required: true})
+	var joinMeshKeepAliveWg *int = joinMeshCmd.Int("k", "KeepAliveWg", &argparse.Options{
-	var getNodeMeshId *string = getNodeCmd.String("m", "meshid", &argparse.Options{Required: true})
+		Default: 0,
+		Help:    "WireGuard KeepAlive value for NAT traversal and firewall ho;lepunching",
+	})
+
+	var joinMeshAdvertiseRoutes *bool = joinMeshCmd.Flag("a", "advertise", &argparse.Options{
+		Help: "Advertise routes to other mesh network into the mesh",
+	})
+
+	var joinMeshAdvertiseDefaults *bool = joinMeshCmd.Flag("d", "defaults", &argparse.Options{
+		Help: "Advertise ::/0 into the mesh network",
+	})
+
+	var 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",
+	})
+
+	var queryMeshMeshId *string = queryMeshCmd.String("m", "mesh", &argparse.Options{
+		Required: true,
+		Help:     "MeshID of the mesh to query",
+	})
+	var queryMeshQuery *string = queryMeshCmd.String("q", "query", &argparse.Options{
+		Required: true,
+		Help:     "JMESPath Query Of The Mesh Network To Query",
+	})
+
+	var description *string = putDescriptionCmd.String("d", "description", &argparse.Options{
+		Required: true,
+		Help:     "Description of the node in the mesh",
+	})
+
+	var alias *string = putAliasCmd.String("a", "alias", &argparse.Options{
+		Required: true,
+		Help:     "Alias of the node to set can be used in DNS to lookup an IP address",
+	})
+
+	var serviceKey *string = setServiceCmd.String("s", "service", &argparse.Options{
+		Required: true,
+		Help:     "Key of the service to advertise in the mesh network",
+	})
+	var serviceValue *string = setServiceCmd.String("v", "value", &argparse.Options{
+		Required: true,
+		Help:     "Value of the service to advertise in the mesh network",
+	})
+
+	var deleteServiceKey *string = deleteServiceCmd.String("s", "service", &argparse.Options{
+		Required: true,
+		Help:     "Key of the service to remove",
+	})
 
 	err := parser.Parse(os.Args)
 
@@ -292,8 +317,15 @@ func main() {
 	if newMeshCmd.Happened() {
 		fmt.Println(createMesh(&CreateMeshParams{
 			Client:   client,
-			WgPort:   *newMeshPort,
 			Endpoint: *newMeshEndpoint,
+			WgArgs: ipc.WireGuardArgs{
+				Endpoint:              *newMeshEndpoint,
+				Role:                  *newMeshRole,
+				WgPort:                *newMeshPort,
+				KeepAliveWg:           *newMeshKeepAliveWg,
+				AdvertiseDefaultRoute: *newMeshAdvertiseDefaults,
+				AdvertiseRoutes:       *newMeshAdvertiseRoutes,
+			},
 		}))
 	}
 
@@ -304,10 +336,17 @@ func main() {
 	if joinMeshCmd.Happened() {
 		fmt.Println(joinMesh(&JoinMeshParams{
 			Client:    client,
-			WgPort:    *joinMeshPort,
 			IpAddress: *joinMeshIpAddress,
 			MeshId:    *joinMeshId,
 			Endpoint:  *joinMeshEndpoint,
+			WgArgs: ipc.WireGuardArgs{
+				Endpoint:              *joinMeshEndpoint,
+				Role:                  *joinMeshRole,
+				WgPort:                *joinMeshPort,
+				KeepAliveWg:           *joinMeshKeepAliveWg,
+				AdvertiseDefaultRoute: *joinMeshAdvertiseDefaults,
+				AdvertiseRoutes:       *joinMeshAdvertiseRoutes,
+			},
 		}))
 	}
 
@@ -315,10 +354,6 @@ func main() {
 		getGraph(client, *getGraphMeshId)
 	}
 
-	if enableInterfaceCmd.Happened() {
-		enableInterface(client, *enableInterfaceMeshId)
-	}
-
 	if leaveMeshCmd.Happened() {
 		leaveMesh(client, *leaveMeshMeshId)
 	}
@@ -342,8 +377,4 @@ func main() {
 	if deleteServiceCmd.Happened() {
 		deleteService(client, *deleteServiceKey)
 	}
-
-	if getNodeCmd.Happened() {
-		getNode(client, *getNodeNodeId, *getNodeMeshId)
-	}
 }

cmd/wgmeshd/main.go

@@ -13,19 +13,19 @@ import (
 	"github.com/tim-beatham/wgmesh/pkg/mesh"
 	"github.com/tim-beatham/wgmesh/pkg/robin"
 	"github.com/tim-beatham/wgmesh/pkg/sync"
-	"github.com/tim-beatham/wgmesh/pkg/timestamp"
+	timer "github.com/tim-beatham/wgmesh/pkg/timers"
 	"golang.zx2c4.com/wireguard/wgctrl"
 )
 
 func main() {
 	if len(os.Args) != 2 {
-		logging.Log.WriteErrorf("Need to provide configuration.yaml")
+		logging.Log.WriteErrorf("Did not provide configuration")
 		return
 	}
 
-	conf, err := conf.ParseConfiguration(os.Args[1])
+	conf, err := conf.ParseDaemonConfiguration(os.Args[1])
 	if err != nil {
-		logging.Log.WriteInfof("Could not parse configuration")
+		logging.Log.WriteErrorf("Could not parse configuration: %s", err.Error())
 		return
 	}
 
@@ -45,20 +45,25 @@ func main() {
 	var robinRpc robin.WgRpc
 	var robinIpc robin.IpcHandler
 	var syncProvider sync.SyncServiceImpl
+	var syncRequester sync.SyncRequester
+	var syncer sync.Syncer
 
 	ctrlServerParams := ctrlserver.NewCtrlServerParams{
 		Conf:         conf,
 		CtrlProvider: &robinRpc,
 		SyncProvider: &syncProvider,
 		Client:       client,
+		OnDelete: func(mp mesh.MeshProvider) {
+			syncer.SyncMeshes()
+		},
 	}
 
 	ctrlServer, err := ctrlserver.NewCtrlServer(&ctrlServerParams)
 	syncProvider.Server = ctrlServer
-	syncRequester := sync.NewSyncRequester(ctrlServer)
+	syncRequester = sync.NewSyncRequester(ctrlServer)
-	syncScheduler := sync.NewSyncScheduler(ctrlServer, syncRequester)
+	syncer = sync.NewSyncer(ctrlServer.MeshManager, conf, syncRequester)
-	timestampScheduler := timestamp.NewTimestampScheduler(ctrlServer)
+	syncScheduler := sync.NewSyncScheduler(ctrlServer, syncRequester, syncer)
-	pruneScheduler := mesh.NewPruner(ctrlServer.MeshManager, *conf)
+	keepAlive := timer.NewTimestampScheduler(ctrlServer)
 
 	robinIpcParams := robin.RobinIpcParams{
 		CtrlServer: ctrlServer,
@@ -76,13 +81,12 @@ func main() {
 
 	go ipc.RunIpcHandler(&robinIpc)
 	go syncScheduler.Run()
-	go timestampScheduler.Run()
+	go keepAlive.Run()
-	go pruneScheduler.Run()
 
 	closeResources := func() {
 		logging.Log.WriteInfof("Closing resources")
 		syncScheduler.Stop()
-		timestampScheduler.Stop()
+		keepAlive.Stop()
 		ctrlServer.Close()
 		client.Close()
 	}

go.mod

@@ -4,14 +4,18 @@ go 1.21.3
 
 require (
 	github.com/akamensky/argparse v1.4.0
+	github.com/anandvarma/namegen v0.0.0-20230727084436-5197c6ea3255
 	github.com/automerge/automerge-go v0.0.0-20230903201930-b80ce8aadbb9
 	github.com/gin-gonic/gin v1.9.1
+	github.com/go-playground/validator/v10 v10.16.0
 	github.com/google/uuid v1.3.0
 	github.com/jmespath/go-jmespath v0.4.0
 	github.com/jsimonetti/rtnetlink v1.3.5
+	github.com/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
@@ -24,7 +28,6 @@ require (
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.14.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
@@ -42,10 +45,13 @@ require (
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect
 	golang.org/x/arch v0.3.0 // indirect
-	golang.org/x/crypto v0.13.0 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
-	golang.org/x/net v0.15.0 // indirect
+	golang.org/x/exp v0.0.0-20230321023759-10a507213a29 // indirect
-	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sync v0.4.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/tools v0.13.0 // indirect
 	golang.zx2c4.com/wireguard v0.0.0-20230704135630-469159ecf7d1 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 )

go.sum

@@ -0,0 +1,143 @@
+github.com/akamensky/argparse v1.4.0 h1:YGzvsTqCvbEZhL8zZu2AiA5nq805NZh75JNj4ajn1xc=
+github.com/akamensky/argparse v1.4.0/go.mod h1:S5kwC7IuDcEr5VeXtGPRVZ5o/FdhcMlQz4IZQuw64xA=
+github.com/anandvarma/namegen v0.0.0-20230727084436-5197c6ea3255 h1:aIAyyj4XPrke9Tc/umbBCzP5SKX/CHf3dKrL/PhH2lo=
+github.com/anandvarma/namegen v0.0.0-20230727084436-5197c6ea3255/go.mod h1:MFyILur9tG8PxaCXGZVr/2BOnHtRIgxYejYFZdWLxr0=
+github.com/automerge/automerge-go v0.0.0-20230903201930-b80ce8aadbb9 h1:+6JSfuxZgmURoIlGdnYnY/FLRGWGagLyiBjt/VLtwi4=
+github.com/automerge/automerge-go v0.0.0-20230903201930-b80ce8aadbb9/go.mod h1:6UxoDE+thWsISXK93pxaOuOfkcAfCvDbg0eAnFmxL5E=
+github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
+github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
+github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
+github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
+github.com/cilium/ebpf v0.11.0 h1:V8gS/bTCCjX9uUnkUFUpPsksM8n1lXBAvHcpiFk1X2Y=
+github.com/cilium/ebpf v0.11.0/go.mod h1:WE7CZAnqOL2RouJ4f1uyNhqr2P4CCvXFIqdRDUgWsVs=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
+github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
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+github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
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pkg/api/apiserver.go

@@ -30,15 +30,14 @@ func (s *SmegServer) routeToApiRoute(meshNode ctrlserver.MeshNode) []Route {
 	routes := make([]Route, len(meshNode.Routes))
 
 	for index, route := range meshNode.Routes {
-		word, err := s.words.Convert(route)
 
-		if err != nil {
+		if route.Path == nil {
-			fmt.Println(err.Error())
+			route.Path = make([]string, 0)
 		}
 
 		routes[index] = Route{
-			Prefix:  route,
+			Prefix: route.Destination,
-			RouteId: word,
+			Path:   route.Path,
 		}
 	}
 
@@ -47,7 +46,7 @@ func (s *SmegServer) routeToApiRoute(meshNode ctrlserver.MeshNode) []Route {
 
 func (s *SmegServer) meshNodeToAPIMeshNode(meshNode ctrlserver.MeshNode) *SmegNode {
 	if meshNode.Routes == nil {
-		meshNode.Routes = make([]string, 0)
+		meshNode.Routes = make([]ctrlserver.MeshRoute, 0)
 	}
 
 	alias := meshNode.Alias
@@ -66,6 +65,12 @@ func (s *SmegServer) meshNodeToAPIMeshNode(meshNode ctrlserver.MeshNode) *SmegNo
 		PublicKey:   meshNode.PublicKey,
 		Alias:       alias,
 		Services:    meshNode.Services,
+		Stats: SmegStats{
+			TotalTransmit:     meshNode.Stats.TransmitBytes,
+			TotalReceived:     meshNode.Stats.ReceivedBytes,
+			KeepAliveInterval: meshNode.Stats.PersistentKeepAliveInterval,
+			AllowedIps:        meshNode.Stats.AllowedIPs,
+		},
 	}
 }
 
@@ -94,7 +99,9 @@ func (s *SmegServer) CreateMesh(c *gin.Context) {
 	}
 
 	ipcRequest := ipc.NewMeshArgs{
-		WgPort: createMesh.WgPort,
+		WgArgs: ipc.WireGuardArgs{
+			WgPort: createMesh.WgPort,
+		},
 	}
 
 	var reply string
@@ -127,7 +134,9 @@ func (s *SmegServer) JoinMesh(c *gin.Context) {
 	ipcRequest := ipc.JoinMeshArgs{
 		MeshId:   joinMesh.MeshId,
 		IpAdress: joinMesh.Bootstrap,
-		Port:     joinMesh.WgPort,
+		WgArgs: ipc.WireGuardArgs{
+			WgPort: joinMesh.WgPort,
+		},
 	}
 
 	var reply string

pkg/api/types.go

@@ -1,8 +1,17 @@
 package api
 
+import "time"
+
 type Route struct {
-	RouteId string `json:"routeId"`
+	Prefix string   `json:"prefix"`
-	Prefix  string `json:"prefix"`
+	Path   []string `json:"path"`
+}
+
+type SmegStats struct {
+	TotalTransmit     int64         `json:"totalTransmit"`
+	TotalReceived     int64         `json:"totalReceived"`
+	KeepAliveInterval time.Duration `json:"keepaliveInterval"`
+	AllowedIps        []string      `json:"allowedIps"`
 }
 
 type SmegNode struct {
@@ -15,6 +24,7 @@ type SmegNode struct {
 	PublicKey   string            `json:"publicKey"`
 	Routes      []Route           `json:"routes"`
 	Services    map[string]string `json:"services"`
+	Stats       SmegStats         `json:"stats"`
 }
 
 type SmegMesh struct {

pkg/automerge/automerge.go

@@ -1,9 +1,10 @@
-package crdt
+package automerge
 
 import (
 	"errors"
 	"fmt"
 	"net"
+	"slices"
 	"strings"
 	"time"
 
@@ -23,7 +24,7 @@ type CrdtMeshManager struct {
 	Client        *wgctrl.Client
 	doc           *automerge.Doc
 	LastHash      automerge.ChangeHash
-	conf          *conf.WgMeshConfiguration
+	conf          *conf.WgConfiguration
 	cache         *MeshCrdt
 	lastCacheHash automerge.ChangeHash
 }
@@ -35,11 +36,15 @@ func (c *CrdtMeshManager) AddNode(node mesh.MeshNode) {
 		panic("node must be of type *MeshNodeCrdt")
 	}
 
-	crdt.Routes = make(map[string]interface{})
+	crdt.Routes = make(map[string]Route)
 	crdt.Services = make(map[string]string)
 	crdt.Timestamp = time.Now().Unix()
 
-	c.doc.Path("nodes").Map().Set(crdt.HostEndpoint, crdt)
+	err := c.doc.Path("nodes").Map().Set(crdt.PublicKey, crdt)
+
+	if err != nil {
+		logging.Log.WriteInfof("error")
+	}
 }
 
 func (c *CrdtMeshManager) isPeer(nodeId string) bool {
@@ -58,11 +63,30 @@ func (c *CrdtMeshManager) isPeer(nodeId string) bool {
 	return nodeType.Str() == string(conf.PEER_ROLE)
 }
 
+// isAlive: checks that the node's configuration has been updated
+// since the rquired keep alive time
+func (c *CrdtMeshManager) isAlive(nodeId string) bool {
+	node, err := c.doc.Path("nodes").Map().Get(nodeId)
+
+	if err != nil || node.Kind() != automerge.KindMap {
+		return false
+	}
+
+	timestamp, err := node.Map().Get("timestamp")
+
+	if err != nil || timestamp.Kind() != automerge.KindInt64 {
+		return false
+	}
+
+	return true
+	// return (time.Now().Unix() - keepAliveTime) < int64(c.conf.DeadTime)
+}
+
 func (c *CrdtMeshManager) GetPeers() []string {
 	keys, _ := c.doc.Path("nodes").Map().Keys()
 
-	keys = lib.Filter(keys, func(s string) bool {
+	keys = lib.Filter(keys, func(publicKey string) bool {
-		return c.isPeer(s)
+		return c.isPeer(publicKey) && c.isAlive(publicKey)
 	})
 
 	return keys
@@ -115,7 +139,7 @@ type NewCrdtNodeMangerParams struct {
 	MeshId  string
 	DevName string
 	Port    int
-	Conf    conf.WgMeshConfiguration
+	Conf    *conf.WgConfiguration
 	Client  *wgctrl.Client
 }
 
@@ -126,7 +150,7 @@ func NewCrdtNodeManager(params *NewCrdtNodeMangerParams) (*CrdtMeshManager, erro
 	manager.doc = automerge.New()
 	manager.IfName = params.DevName
 	manager.Client = params.Client
-	manager.conf = &params.Conf
+	manager.conf = params.Conf
 	manager.cache = nil
 	return &manager, nil
 }
@@ -141,7 +165,7 @@ func (m *CrdtMeshManager) GetNode(endpoint string) (mesh.MeshNode, error) {
 	node, err := m.doc.Path("nodes").Map().Get(endpoint)
 
 	if node.Kind() != automerge.KindMap {
-		return nil, fmt.Errorf("GetNode: something went wrong %s is not a map type")
+		return nil, fmt.Errorf("getnode: node is not a map")
 	}
 
 	if err != nil {
@@ -270,7 +294,8 @@ func (m *CrdtMeshManager) AddService(nodeId, key, value string) error {
 		return fmt.Errorf("AddService: services property does not exist in node")
 	}
 
-	return service.Map().Set(key, value)
+	err = service.Map().Set(key, value)
+	return err
 }
 
 func (m *CrdtMeshManager) RemoveService(nodeId, key string) error {
@@ -300,7 +325,7 @@ func (m *CrdtMeshManager) RemoveService(nodeId, key string) error {
 }
 
 // AddRoutes: adds routes to the specific nodeId
-func (m *CrdtMeshManager) AddRoutes(nodeId string, routes ...string) error {
+func (m *CrdtMeshManager) AddRoutes(nodeId string, routes ...mesh.Route) error {
 	nodeVal, err := m.doc.Path("nodes").Map().Get(nodeId)
 	logging.Log.WriteInfof("Adding route to %s", nodeId)
 
@@ -319,7 +344,32 @@ func (m *CrdtMeshManager) AddRoutes(nodeId string, routes ...string) error {
 	}
 
 	for _, route := range routes {
-		err = routeMap.Map().Set(route, struct{}{})
+		prevRoute, err := routeMap.Map().Get(route.GetDestination().String())
+
+		if prevRoute.Kind() == automerge.KindVoid && err != nil {
+			path, err := prevRoute.Map().Get("path")
+
+			if err != nil {
+				return err
+			}
+
+			if path.Kind() != automerge.KindList {
+				return fmt.Errorf("path is not a list")
+			}
+
+			pathStr, err := automerge.As[[]string](path)
+
+			if err != nil {
+				return err
+			}
+
+			slices.Equal(route.GetPath(), pathStr)
+		}
+
+		err = routeMap.Map().Set(route.GetDestination().String(), Route{
+			Destination: route.GetDestination().String(),
+			Path:        route.GetPath(),
+		})
 
 		if err != nil {
 			return err
@@ -328,8 +378,82 @@ func (m *CrdtMeshManager) AddRoutes(nodeId string, routes ...string) error {
 	return nil
 }
 
+func (m *CrdtMeshManager) getRoutes(nodeId string) ([]Route, error) {
+	nodeVal, err := m.doc.Path("nodes").Map().Get(nodeId)
+
+	if err != nil {
+		return nil, err
+	}
+
+	if nodeVal.Kind() != automerge.KindMap {
+		return nil, fmt.Errorf("node does not exist")
+	}
+
+	routeMap, err := nodeVal.Map().Get("routes")
+
+	if err != nil {
+		return nil, err
+	}
+
+	if routeMap.Kind() != automerge.KindMap {
+		return nil, fmt.Errorf("node %s is not a map", nodeId)
+	}
+
+	routes, err := automerge.As[map[string]Route](routeMap)
+
+	return lib.MapValues(routes), err
+}
+
+func (m *CrdtMeshManager) GetRoutes(targetNode string) (map[string]mesh.Route, error) {
+	node, err := m.GetNode(targetNode)
+
+	if err != nil {
+		return nil, err
+	}
+
+	routes := make(map[string]mesh.Route)
+
+	// Add routes that the node directly has
+	for _, route := range node.GetRoutes() {
+		routes[route.GetDestination().String()] = route
+	}
+
+	// Work out the other routes in the mesh
+	for _, node := range m.GetPeers() {
+		nodeRoutes, err := m.getRoutes(node)
+
+		if err != nil {
+			return nil, err
+		}
+
+		for _, route := range nodeRoutes {
+			otherRoute, ok := routes[route.GetDestination().String()]
+
+			hopCount := route.GetHopCount()
+
+			if node != targetNode {
+				hopCount += 1
+			}
+
+			if !ok || route.GetHopCount()+1 < otherRoute.GetHopCount() {
+				routes[route.GetDestination().String()] = &Route{
+					Destination: route.GetDestination().String(),
+					Path:        append(route.Path, m.GetMeshId()),
+				}
+			}
+		}
+	}
+
+	return routes, nil
+}
+
+func (m *CrdtMeshManager) RemoveNode(nodeId string) error {
+	err := m.doc.Path("nodes").Map().Delete(nodeId)
+	return err
+}
+
 // DeleteRoutes deletes the specified routes
-func (m *CrdtMeshManager) RemoveRoutes(nodeId string, routes ...string) error {
+func (m *CrdtMeshManager) RemoveRoutes(nodeId string, routes ...mesh.Route) error {
 	nodeVal, err := m.doc.Path("nodes").Map().Get(nodeId)
 
 	if err != nil {
@@ -347,65 +471,26 @@ func (m *CrdtMeshManager) RemoveRoutes(nodeId string, routes ...string) error {
 	}
 
 	for _, route := range routes {
-		err = routeMap.Map().Delete(route)
+		err = routeMap.Map().Delete(route.GetDestination().String())
 	}
 
 	return err
 }
 
+// GetConfiguration: gets the configuration for this mesh network
+func (m *CrdtMeshManager) GetConfiguration() *conf.WgConfiguration {
+	return m.conf
+}
+
+// Mark: mark the node as locally dead
+func (m *CrdtMeshManager) Mark(nodeId string) {
+}
+
 func (m *CrdtMeshManager) GetSyncer() mesh.MeshSyncer {
 	return NewAutomergeSync(m)
 }
 
-func (m *CrdtMeshManager) Prune(pruneTime int) error {
+func (m *CrdtMeshManager) Prune() error {
-	nodes, err := m.doc.Path("nodes").Get()
-
-	if err != nil {
-		return err
-	}
-
-	if nodes.Kind() != automerge.KindMap {
-		return errors.New("node must be a map")
-	}
-
-	values, err := nodes.Map().Values()
-
-	if err != nil {
-		return err
-	}
-
-	deletionNodes := make([]string, 0)
-
-	for nodeId, node := range values {
-		if node.Kind() != automerge.KindMap {
-			return errors.New("node must be a map")
-		}
-
-		nodeMap := node.Map()
-
-		timeStamp, err := nodeMap.Get("timestamp")
-
-		if err != nil {
-			return err
-		}
-
-		if timeStamp.Kind() != automerge.KindInt64 {
-			return errors.New("timestamp is not int64")
-		}
-
-		timeValue := timeStamp.Int64()
-		nowValue := time.Now().Unix()
-
-		if nowValue-timeValue >= int64(pruneTime) {
-			deletionNodes = append(deletionNodes, nodeId)
-		}
-	}
-
-	for _, node := range deletionNodes {
-		logging.Log.WriteInfof("Pruning %s", node)
-		nodes.Map().Delete(node)
-	}
-
 	return nil
 }
 
@@ -429,7 +514,6 @@ func (m *MeshNodeCrdt) GetWgHost() *net.IPNet {
 	_, ipnet, err := net.ParseCIDR(m.WgHost)
 
 	if err != nil {
-		logging.Log.WriteErrorf("Cannot parse WgHost %s", err.Error())
 		return nil
 	}
 
@@ -440,8 +524,13 @@ func (m *MeshNodeCrdt) GetTimeStamp() int64 {
 	return m.Timestamp
 }
 
-func (m *MeshNodeCrdt) GetRoutes() []string {
+func (m *MeshNodeCrdt) GetRoutes() []mesh.Route {
-	return lib.MapKeys(m.Routes)
+	return lib.Map(lib.MapValues(m.Routes), func(r Route) mesh.Route {
+		return &Route{
+			Destination: r.Destination,
+			Path:        r.Path,
+		}
+	})
 }
 
 func (m *MeshNodeCrdt) GetDescription() string {
@@ -452,7 +541,6 @@ func (m *MeshNodeCrdt) GetIdentifier() string {
 	ipv6 := m.WgHost[:len(m.WgHost)-4]
 
 	constituents := strings.Split(ipv6, ":")
-	logging.Log.WriteInfof(ipv6)
 	constituents = constituents[4:]
 	return strings.Join(constituents, ":")
 }
@@ -497,3 +585,16 @@ func (m *MeshCrdt) GetNodes() map[string]mesh.MeshNode {
 
 	return nodes
 }
+
+func (r *Route) GetDestination() *net.IPNet {
+	_, ipnet, _ := net.ParseCIDR(r.Destination)
+	return ipnet
+}
+
+func (r *Route) GetHopCount() int {
+	return len(r.Path)
+}
+
+func (r *Route) GetPath() []string {
+	return r.Path
+}

pkg/automerge/automerge_sync.go

@@ -1,4 +1,4 @@
-package crdt
+package automerge
 
 import (
 	"github.com/automerge/automerge-go"

pkg/automerge/automerge_test.go

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

pkg/automerge/factory.go

@@ -1,4 +1,4 @@
-package crdt
+package automerge
 
 import (
 	"fmt"
@@ -14,13 +14,13 @@ func (f *CrdtProviderFactory) CreateMesh(params *mesh.MeshProviderFactoryParams)
 	return NewCrdtNodeManager(&NewCrdtNodeMangerParams{
 		MeshId:  params.MeshId,
 		DevName: params.DevName,
-		Conf:    *params.Conf,
+		Conf:    params.Conf,
 		Client:  params.Client,
 	})
 }
 
 type MeshNodeFactory struct {
-	Config conf.WgMeshConfiguration
+	Config conf.DaemonConfiguration
 }
 
 // Build builds the mesh node that represents the host machine to add
@@ -28,17 +28,23 @@ type MeshNodeFactory struct {
 func (f *MeshNodeFactory) Build(params *mesh.MeshNodeFactoryParams) mesh.MeshNode {
 	hostName := f.getAddress(params)
 
+	grpcEndpoint := fmt.Sprintf("%s:%d", hostName, f.Config.GrpcPort)
+
+	if *params.MeshConfig.Role == conf.CLIENT_ROLE {
+		grpcEndpoint = "-"
+	}
+
 	return &MeshNodeCrdt{
-		HostEndpoint: fmt.Sprintf("%s:%s", hostName, f.Config.GrpcPort),
+		HostEndpoint: grpcEndpoint,
 		PublicKey:    params.PublicKey.String(),
 		WgEndpoint:   fmt.Sprintf("%s:%d", hostName, params.WgPort),
 		WgHost:       fmt.Sprintf("%s/128", params.NodeIP.String()),
 		// Always set the routes as empty.
 		// Routes handled by external component
-		Routes:      map[string]interface{}{},
+		Routes:      make(map[string]Route),
 		Description: "",
 		Alias:       "",
-		Type:        string(params.Role),
+		Type:        string(*params.MeshConfig.Role),
 	}
 }
 
@@ -48,10 +54,16 @@ func (f *MeshNodeFactory) getAddress(params *mesh.MeshNodeFactoryParams) string
 
 	if params.Endpoint != "" {
 		hostName = params.Endpoint
-	} else if len(f.Config.Endpoint) != 0 {
+	} else if len(*params.MeshConfig.Endpoint) != 0 {
-		hostName = f.Config.Endpoint
+		hostName = *params.MeshConfig.Endpoint
 	} else {
-		ip, err := lib.GetPublicIP()
+		ipFunc := lib.GetPublicIP
+
+		if *params.MeshConfig.IPDiscovery == conf.DNS_IP_DISCOVERY {
+			ipFunc = lib.GetOutboundIP
+		}
+
+		ip, err := ipFunc()
 
 		if err != nil {
 			return ""

pkg/automerge/types.go

@@ -1,17 +1,23 @@
-package crdt
+package automerge
+
+// Route: Represents a CRDT of the given route
+type Route struct {
+	Destination string   `automerge:"destination"`
+	Path        []string `automerge:"path"`
+}
 
 // MeshNodeCrdt: Represents a CRDT for a mesh nodes
 type MeshNodeCrdt struct {
-	HostEndpoint string                 `automerge:"hostEndpoint"`
+	HostEndpoint string            `automerge:"hostEndpoint"`
-	WgEndpoint   string                 `automerge:"wgEndpoint"`
+	WgEndpoint   string            `automerge:"wgEndpoint"`
-	PublicKey    string                 `automerge:"publicKey"`
+	PublicKey    string            `automerge:"publicKey"`
-	WgHost       string                 `automerge:"wgHost"`
+	WgHost       string            `automerge:"wgHost"`
-	Timestamp    int64                  `automerge:"timestamp"`
+	Timestamp    int64             `automerge:"timestamp"`
-	Routes       map[string]interface{} `automerge:"routes"`
+	Routes       map[string]Route  `automerge:"routes"`
-	Alias        string                 `automerge:"alias"`
+	Alias        string            `automerge:"alias"`
-	Description  string                 `automerge:"description"`
+	Description  string            `automerge:"description"`
-	Services     map[string]string      `automerge:"services"`
+	Services     map[string]string `automerge:"services"`
-	Type         string                 `automerge:"type"`
+	Type         string            `automerge:"type"`
 }
 
 // MeshCrdt: Represents the mesh network as a whole

pkg/cmd/cmd.go

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

pkg/conf/conf.go

@@ -4,7 +4,7 @@ package conf
 import (
 	"os"
 
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	"github.com/go-playground/validator/v10"
 	"gopkg.in/yaml.v3"
 )
 
@@ -23,154 +23,194 @@ const (
 	CLIENT_ROLE NodeType = "client"
 )
 
-type WgMeshConfiguration struct {
+type IPDiscovery string
+
+const (
+	PUBLIC_IP_DISCOVERY IPDiscovery = "public"
+	DNS_IP_DISCOVERY    IPDiscovery = "dns"
+)
+
+// WgConfiguration contains per-mesh WireGuard configuration. Contains poitner types only so we can
+// tell if the attribute is set
+type WgConfiguration struct {
+	// IPDIscovery: how to discover your IP if not specified. Use your outgoing IP or use a public
+	// service for IPDiscoverability
+	IPDiscovery *IPDiscovery `yaml:"ipDiscovery" validate:"required,eq=public|eq=dns"`
+	// AdvertiseRoutes: specifies whether the node can act as a router routing packets between meshes
+	AdvertiseRoutes *bool `yaml:"advertiseRoute" validate:"required"`
+	// AdvertiseDefaultRoute: specifies whether or not this route should advertise a default route
+	// for all nodes to route their packets to
+	AdvertiseDefaultRoute *bool `yaml:"advertiseDefaults" validate:"required"`
+	// Endpoint contains what value should be set as the public endpoint of this node
+	Endpoint *string `yaml:"publicEndpoint"`
+	// Role specifies whether or not the user is globally accessible.
+	// If the user is globaly accessible they specify themselves as a client.
+	Role *NodeType `yaml:"role" validate:"required,eq=client|eq=peer"`
+	// KeepAliveWg configures the implementation so that we send keep alive packets to peers.
+	// 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"`
+	// PostUp are WireGuard commands to run after adding the WG interface
+	PostUp []string `yaml:"postUp"`
+	// PreDown are WireGuard commands to run prior to removing the WG interface
+	PreDown []string `yaml:"preDown"`
+	// PostDown are WireGuard command to run after removing the WG interface
+	PostDown []string `yaml:"postDown"`
+}
+
+type DaemonConfiguration struct {
 	// CertificatePath is the path to the certificate to use in mTLS
-	CertificatePath string `yaml:"certificatePath"`
+	CertificatePath string `yaml:"certificatePath" validate:"required"`
 	// PrivateKeypath is the path to the clients private key in mTLS
-	PrivateKeyPath string `yaml:"privateKeyPath"`
+	PrivateKeyPath string `yaml:"privateKeyPath" validate:"required"`
 	// CaCeritifcatePath path to the certificate of the trust certificate authority
-	CaCertificatePath string `yaml:"caCertificatePath"`
+	CaCertificatePath string `yaml:"caCertificatePath" validate:"required"`
 	// SkipCertVerification specify to skip certificate verification. Should only be used
 	// in test environments
 	SkipCertVerification bool `yaml:"skipCertVerification"`
 	// Port to run the GrpcServer on
-	GrpcPort string `yaml:"gRPCPort"`
+	GrpcPort int `yaml:"gRPCPort" validate:"required"`
-	// AdvertiseRoutes advertises other meshes if the node is in multiple meshes
+	// Timeout number of seconds without response that a node is considered unreachable by gRPC
-	AdvertiseRoutes bool `yaml:"advertiseRoutes"`
+	Timeout int `yaml:"timeout" validate:"required,gte=1"`
-	// Endpoint is the IP in which this computer is publicly reachable.
-	// usecase is when the node has multiple IP addresses
-	Endpoint string `yaml:"publicEndpoint"`
-	// ClusterSize size of the cluster to split on
-	ClusterSize int `yaml:"clusterSize"`
-	// SyncRate number of times per second to perform a sync
-	SyncRate float64 `yaml:"syncRate"`
-	// InterClusterChance proability of inter-cluster communication in a sync round
-	InterClusterChance float64 `yaml:"interClusterChance"`
-	// BranchRate number of nodes to randomly communicate with
-	BranchRate int `yaml:"branchRate"`
-	// InfectionCount number of times we sync before we can no longer catch the udpate
-	InfectionCount int `yaml:"infectionCount"`
-	// KeepAliveTime number of seconds before we update node indicating that we are still alive
-	KeepAliveTime int `yaml:"keepAliveTime"`
-	// Timeout number of seconds before we consider the node as dead
-	Timeout int `yaml:"timeout"`
-	// PruneTime number of seconds before we consider the 'node' as dead
-	PruneTime int `yaml:"pruneTime"`
 	// Profile whether or not to include a http server that profiles the code
 	Profile bool `yaml:"profile"`
 	// StubWg whether or not to stub the WireGuard types
 	StubWg bool `yaml:"stubWg"`
-	// Role specifies whether or not the user is globally accessible.
+	// SyncRate specifies how long the minimum time should be between synchronisation
-	// If the user is globaly accessible they specify themselves as a client.
+	SyncRate int `yaml:"syncRate" validate:"required,gte=1"`
-	Role NodeType `yaml:"role"`
+	// KeepAliveTime: number of seconds before the leader of the mesh sends an update to
-	// KeepAliveWg configures the implementation so that we send keep alive packets to peers.
+	// send to every member in the mesh
-	// KeepAlive can only be set if role is type client
+	KeepAliveTime int `yaml:"keepAliveTime" validate:"required,gte=1"`
-	KeepAliveWg int `yaml:"keepAliveWg"`
+	// ClusterSize specifies how many neighbours you should synchronise with per round
+	ClusterSize int `yaml:"clusterSize" validate:"gte=1"`
+	// InterClusterChance specifies the probabilityof inter-cluster communication in a sync round
+	InterClusterChance float64 `yaml:"interClusterChance" validate:"gt=0"`
+	// BranchRate specifies the number of nodes to synchronise with when a node has
+	// new changes to send to the mesh
+	BranchRate int `yaml:"branchRate" validate:"required,gte=1"`
+	// InfectionCount: number of time to sync before an update can no longer be 'caught'
+	InfectionCount int `yaml:"infectionCount" validate:"required,gte=1"`
+	// BaseConfiguration base WireGuard configuration to use, this is used when none is provided
+	BaseConfiguration WgConfiguration `yaml:"baseConfiguration" validate:"required"`
 }
 
-func ValidateConfiguration(c *WgMeshConfiguration) error {
+// ValdiateMeshConfiguration: validates the mesh configuration
-	if len(c.CertificatePath) == 0 {
+func ValidateMeshConfiguration(conf *WgConfiguration) error {
-		return &WgMeshConfigurationError{
+	validate := validator.New(validator.WithRequiredStructEnabled())
-			msg: "A public certificate must be specified for mTLS",
+	err := validate.Struct(conf)
-		}
+
+	if conf.PostDown == nil {
+		conf.PostDown = make([]string, 0)
 	}
 
-	if len(c.PrivateKeyPath) == 0 {
+	if conf.PostUp == nil {
-		return &WgMeshConfigurationError{
+		conf.PostUp = make([]string, 0)
-			msg: "A private key must be specified for mTLS",
-		}
 	}
 
-	if len(c.CaCertificatePath) == 0 {
+	if conf.PreDown == nil {
-		return &WgMeshConfigurationError{
+		conf.PreDown = make([]string, 0)
-			msg: "A ca certificate must be specified for mTLS",
-		}
 	}
 
-	if len(c.GrpcPort) == 0 {
+	if conf.PreUp == nil {
-		return &WgMeshConfigurationError{
+		conf.PreUp = make([]string, 0)
-			msg: "A grpc port must be specified",
-		}
 	}
 
-	if c.ClusterSize <= 0 {
+	return err
-		return &WgMeshConfigurationError{
-			msg: "A cluster size must not be 0",
-		}
-	}
-
-	if c.SyncRate <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "SyncRate cannot be negative",
-		}
-	}
-
-	if c.BranchRate <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "Branch rate cannot be negative",
-		}
-	}
-
-	if c.InfectionCount <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "Infection count cannot be less than 1",
-		}
-	}
-
-	if c.KeepAliveTime <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "KeepAliveRate cannot be less than negative",
-		}
-	}
-
-	if c.InterClusterChance <= 0 {
-		return &WgMeshConfigurationError{
-			msg: "Intercluster chance cannot be less than 0",
-		}
-	}
-
-	if c.Timeout < 1 {
-		return &WgMeshConfigurationError{
-			msg: "Timeout should be greater than or equal to 1",
-		}
-	}
-
-	if c.PruneTime <= 1 {
-		return &WgMeshConfigurationError{
-			msg: "Prune time cannot be <= 1",
-		}
-	}
-
-	if c.KeepAliveTime <= 1 {
-		return &WgMeshConfigurationError{
-			msg: "Prune time cannot be less than keep alive time",
-		}
-	}
-
-	if c.Role == "" {
-		c.Role = PEER_ROLE
-	}
-
-	return nil
 }
 
-// ParseConfiguration parses the mesh configuration
+// ValidateDaemonConfiguration: validates the dameon configuration that is used.
-func ParseConfiguration(filePath string) (*WgMeshConfiguration, error) {
+func ValidateDaemonConfiguration(c *DaemonConfiguration) error {
-	var conf WgMeshConfiguration
+	validate := validator.New(validator.WithRequiredStructEnabled())
+	err := validate.Struct(c)
+	return err
+}
+
+// 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 {
-		logging.Log.WriteErrorf("Read file error: %s\n", err.Error())
 		return nil, err
 	}
 
 	err = yaml.Unmarshal(yamlBytes, &conf)
 
 	if err != nil {
-		logging.Log.WriteErrorf("Unmarshal error: %s\n", err.Error())
 		return nil, err
 	}
 
-	return &conf, ValidateConfiguration(&conf)
+	return &conf, ValidateMeshConfiguration(&conf)
+}
+
+// ParseDaemonConfiguration parses the mesh configuration and validates the configuration
+func ParseDaemonConfiguration(filePath string) (*DaemonConfiguration, error) {
+	var conf DaemonConfiguration
+
+	yamlBytes, err := os.ReadFile(filePath)
+
+	if err != nil {
+		return nil, err
+	}
+
+	err = yaml.Unmarshal(yamlBytes, &conf)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &conf, ValidateDaemonConfiguration(&conf)
+}
+
+// MergemeshConfiguration: merges the configuration in precedence where the last
+// element in the list takes the most and the first takes the least
+func MergeMeshConfiguration(cfgs ...WgConfiguration) (WgConfiguration, error) {
+	var result WgConfiguration
+
+	for _, cfg := range cfgs {
+		if cfg.AdvertiseDefaultRoute != nil {
+			result.AdvertiseDefaultRoute = cfg.AdvertiseDefaultRoute
+		}
+
+		if cfg.AdvertiseRoutes != nil {
+			result.AdvertiseRoutes = cfg.AdvertiseRoutes
+		}
+
+		if cfg.Endpoint != nil {
+			result.Endpoint = cfg.Endpoint
+		}
+
+		if cfg.IPDiscovery != nil {
+			result.IPDiscovery = cfg.IPDiscovery
+		}
+
+		if cfg.KeepAliveWg != nil {
+			result.KeepAliveWg = cfg.KeepAliveWg
+		}
+
+		if cfg.PostDown != nil {
+			result.PostDown = cfg.PostDown
+		}
+
+		if cfg.PostUp != nil {
+			result.PostUp = cfg.PostUp
+		}
+
+		if cfg.PreDown != nil {
+			result.PreDown = cfg.PreDown
+		}
+
+		if cfg.PreUp != nil {
+			result.PreUp = cfg.PreUp
+		}
+
+		if cfg.Role != nil {
+			result.Role = cfg.Role
+		}
+	}
+
+	return result, ValidateMeshConfiguration(&result)
 }

pkg/conf/conf_test.go

@@ -1,24 +1,40 @@
 package conf
 
-import "testing"
+import (
+	"testing"
+)
 
-func getExampleConfiguration() *WgMeshConfiguration {
+func getExampleConfiguration() *DaemonConfiguration {
-	return &WgMeshConfiguration{
+	discovery := PUBLIC_IP_DISCOVERY
-		CertificatePath:      "./cert/cert.pem",
+	advertiseRoutes := false
-		PrivateKeyPath:       "./cert/key.pem",
+	advertiseDefaultRoute := false
-		CaCertificatePath:    "./cert/ca.pems",
+	endpoint := "abc.com:123"
+	nodeType := CLIENT_ROLE
+	keepAliveWg := 0
+
+	return &DaemonConfiguration{
+		CertificatePath:      "../../../cert/cert.pem",
+		PrivateKeyPath:       "../../../cert/priv.pem",
+		CaCertificatePath:    "../../../cert/cacert.pem",
 		SkipCertVerification: true,
-		GrpcPort:             "8080",
+		GrpcPort:             25,
-		AdvertiseRoutes:      true,
+		Timeout:              5,
-		Endpoint:             "localhost",
+		Profile:              false,
-		ClusterSize:          1,
+		StubWg:               false,
-		SyncRate:             1,
+		SyncRate:             2,
-		InterClusterChance:   0.1,
+		KeepAliveTime:        2,
-		BranchRate:           2,
+		ClusterSize:          64,
-		KeepAliveTime:        4,
+		InterClusterChance:   0.15,
-		InfectionCount:       1,
+		BranchRate:           3,
-		Timeout:              2,
+		InfectionCount:       2,
-		PruneTime:            20,
+		BaseConfiguration: WgConfiguration{
+			IPDiscovery:           &discovery,
+			AdvertiseRoutes:       &advertiseRoutes,
+			AdvertiseDefaultRoute: &advertiseDefaultRoute,
+			Endpoint:              &endpoint,
+			Role:                  &nodeType,
+			KeepAliveWg:           &keepAliveWg,
+		},
 	}
 }
 
@@ -26,7 +42,7 @@ func TestConfigurationCertificatePathEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.CertificatePath = ""
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -37,7 +53,7 @@ func TestConfigurationPrivateKeyPathEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.PrivateKeyPath = ""
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -48,7 +64,7 @@ func TestConfigurationCaCertificatePathEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.CaCertificatePath = ""
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -57,9 +73,110 @@ func TestConfigurationCaCertificatePathEmpty(t *testing.T) {
 
 func TestConfigurationGrpcPortEmpty(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.GrpcPort = ""
+	conf.GrpcPort = 0
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestIPDiscoveryNotSet(t *testing.T) {
+	conf := getExampleConfiguration()
+	ipDiscovery := IPDiscovery("djdsjdskd")
+	conf.BaseConfiguration.IPDiscovery = &ipDiscovery
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestAdvertiseRoutesNotSet(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BaseConfiguration.AdvertiseRoutes = nil
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestAdvertiseDefaultRouteNotSet(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BaseConfiguration.AdvertiseDefaultRoute = nil
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestKeepAliveWgNegative(t *testing.T) {
+	conf := getExampleConfiguration()
+	keepAliveWg := -1
+	conf.BaseConfiguration.KeepAliveWg = &keepAliveWg
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestRoleTypeNotValid(t *testing.T) {
+	conf := getExampleConfiguration()
+	role := NodeType("bruhhh")
+	conf.BaseConfiguration.Role = &role
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestRoleTypeNotSpecified(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BaseConfiguration.Role = nil
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`invalid role type`)
+	}
+}
+
+func TestBranchRateZero(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.BranchRate = 0
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestSyncRateZero(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.SyncRate = 0
+
+	err := ValidateDaemonConfiguration(conf)
+
+	if err == nil {
+		t.Fatal(`error should be thrown`)
+	}
+}
+
+func TestKeepAliveTimeZero(t *testing.T) {
+	conf := getExampleConfiguration()
+	conf.KeepAliveTime = 0
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
@@ -69,97 +186,40 @@ func TestConfigurationGrpcPortEmpty(t *testing.T) {
 func TestClusterSizeZero(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.ClusterSize = 0
-
+	err := ValidateDaemonConfiguration(conf)
-	err := ValidateConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
 	}
 }
 
-func SyncRateZero(t *testing.T) {
+func TestInterClusterChanceZero(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.SyncRate = 0
+	conf.InterClusterChance = 0
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
 	}
 }
 
-func BranchRateZero(t *testing.T) {
+func TestInfectionCountOne(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.BranchRate = 0
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatal(`error should be thrown`)
-	}
-}
-
-func InfectionCountZero(t *testing.T) {
 	conf := getExampleConfiguration()
 	conf.InfectionCount = 0
 
-	err := ValidateConfiguration(conf)
+	err := ValidateDaemonConfiguration(conf)
 
 	if err == nil {
 		t.Fatal(`error should be thrown`)
 	}
 }
 
-func KeepAliveRateZero(t *testing.T) {
+func TestValidConfiguration(t *testing.T) {
 	conf := getExampleConfiguration()
-	conf.KeepAliveTime = 0
+	err := ValidateDaemonConfiguration(conf)
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatal(`error should be thrown`)
-	}
-}
-
-func TestValidCOnfiguration(t *testing.T) {
-	conf := getExampleConfiguration()
-
-	err := ValidateConfiguration(conf)
 
 	if err != nil {
 		t.Error(err)
 	}
 }
-
-func TestTimeout(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.Timeout = 0
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatal(`error should be thrown`)
-	}
-}
-
-func TestPruneTimeZero(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.PruneTime = 0
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatalf(`Error should be thrown`)
-	}
-}
-
-func TestPruneTimeLessThanKeepAliveTime(t *testing.T) {
-	conf := getExampleConfiguration()
-	conf.PruneTime = 1
-
-	err := ValidateConfiguration(conf)
-
-	if err == nil {
-		t.Fatalf(`Error should be thrown`)
-	}
-}

pkg/conn/cluster.go

@@ -55,12 +55,14 @@ func (i *ConnClusterImpl) GetNeighbours(global []string, selfId string) []string
 // you will communicate with a random node that is not in your cluster.
 func (i *ConnClusterImpl) GetInterCluster(global []string, selfId string) string {
 	// Doesn't matter if not in it. Get index of where the node 'should' be
+	slices.Sort(global)
+
 	index, _ := binarySearch(global, selfId, 1)
-	numClusters := math.Ceil(float64(len(global)) / float64(i.clusterSize))
 
-	randomCluster := rand.Intn(int(numClusters)-1) + 1
+	randomCluster := rand.Intn(2) + 1
 
-	neighbourIndex := (index + randomCluster) % len(global)
+	// cluster is considered a heap
+	neighbourIndex := (2*index + (randomCluster * i.clusterSize)) % len(global)
 	return global[neighbourIndex]
 }
 

pkg/conn/connectionserver.go

@@ -2,6 +2,7 @@ package conn
 
 import (
 	"crypto/tls"
+	"fmt"
 	"net"
 
 	"github.com/tim-beatham/wgmesh/pkg/conf"
@@ -21,13 +22,13 @@ type ConnectionServer struct {
 	ctrlProvider rpc.MeshCtrlServerServer
 	// the sync service to synchronise nodes
 	syncProvider rpc.SyncServiceServer
-	Conf         *conf.WgMeshConfiguration
+	Conf         *conf.DaemonConfiguration
 	listener     net.Listener
 }
 
 // NewConnectionServerParams contains params for creating a new connection server
 type NewConnectionServerParams struct {
-	Conf         *conf.WgMeshConfiguration
+	Conf         *conf.DaemonConfiguration
 	CtrlProvider rpc.MeshCtrlServerServer
 	SyncProvider rpc.SyncServiceServer
 }
@@ -76,10 +77,10 @@ func (s *ConnectionServer) Listen() error {
 
 	rpc.RegisterSyncServiceServer(s.server, s.syncProvider)
 
-	lis, err := net.Listen("tcp", ":"+s.Conf.GrpcPort)
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", s.Conf.GrpcPort))
 	s.listener = lis
 
-	logging.Log.WriteInfof("GRPC listening on %s\n", s.Conf.GrpcPort)
+	logging.Log.WriteInfof("GRPC listening on %d\n", s.Conf.GrpcPort)
 
 	if err != nil {
 		logging.Log.WriteErrorf(err.Error())

pkg/conn/window.go

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

pkg/crdt/datastore.go

@@ -0,0 +1,514 @@
+package crdt
+
+import (
+	"bytes"
+	"encoding/gob"
+	"fmt"
+	"net"
+	"slices"
+	"strings"
+	"time"
+
+	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/wgmesh/pkg/lib"
+	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	"github.com/tim-beatham/wgmesh/pkg/mesh"
+	"golang.zx2c4.com/wireguard/wgctrl"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+)
+
+type Route struct {
+	Destination string
+	Path        []string
+}
+
+// GetDestination implements mesh.Route.
+func (r *Route) GetDestination() *net.IPNet {
+	_, ipnet, _ := net.ParseCIDR(r.Destination)
+	return ipnet
+}
+
+// GetHopCount implements mesh.Route.
+func (r *Route) GetHopCount() int {
+	return len(r.Path)
+}
+
+// GetPath implements mesh.Route.
+func (r *Route) GetPath() []string {
+	return r.Path
+}
+
+type MeshNode struct {
+	HostEndpoint string
+	WgEndpoint   string
+	PublicKey    string
+	WgHost       string
+	Timestamp    int64
+	Routes       map[string]Route
+	Alias        string
+	Description  string
+	Services     map[string]string
+	Type         string
+	Tombstone    bool
+}
+
+// Mark: marks the node is unreachable. This is not broadcast on
+// syncrhonisation
+func (m *TwoPhaseStoreMeshManager) Mark(nodeId string) {
+	m.store.Mark(nodeId)
+}
+
+// GetHostEndpoint: gets the gRPC endpoint of the node
+func (n *MeshNode) GetHostEndpoint() string {
+	return n.HostEndpoint
+}
+
+// GetPublicKey: gets the public key of the node
+func (n *MeshNode) GetPublicKey() (wgtypes.Key, error) {
+	return wgtypes.ParseKey(n.PublicKey)
+}
+
+// GetWgEndpoint(): get IP and port of the wireguard endpoint
+func (n *MeshNode) GetWgEndpoint() string {
+	return n.WgEndpoint
+}
+
+// GetWgHost: get the IP address of the WireGuard node
+func (n *MeshNode) GetWgHost() *net.IPNet {
+	_, ipnet, _ := net.ParseCIDR(n.WgHost)
+	return ipnet
+}
+
+// GetTimestamp: get the UNIX time stamp of the ndoe
+func (n *MeshNode) GetTimeStamp() int64 {
+	return n.Timestamp
+}
+
+// GetRoutes: returns the routes that the nodes provides
+func (n *MeshNode) GetRoutes() []mesh.Route {
+	routes := make([]mesh.Route, len(n.Routes))
+
+	for index, route := range lib.MapValues(n.Routes) {
+		routes[index] = &Route{
+			Destination: route.Destination,
+			Path:        route.Path,
+		}
+	}
+
+	return routes
+}
+
+// GetIdentifier: returns the identifier of the node
+func (m *MeshNode) GetIdentifier() string {
+	ipv6 := m.WgHost[:len(m.WgHost)-4]
+
+	constituents := strings.Split(ipv6, ":")
+	constituents = constituents[4:]
+	return strings.Join(constituents, ":")
+}
+
+// GetDescription: returns the description for this node
+func (n *MeshNode) GetDescription() string {
+	return n.Description
+}
+
+// GetAlias: associates the node with an alias. Potentially used
+// for DNS and so forth.
+func (n *MeshNode) GetAlias() string {
+	return n.Alias
+}
+
+// GetServices: returns a list of services offered by the node
+func (n *MeshNode) GetServices() map[string]string {
+	return n.Services
+}
+
+func (n *MeshNode) GetType() conf.NodeType {
+	return conf.NodeType(n.Type)
+}
+
+type MeshSnapshot struct {
+	Nodes map[string]MeshNode
+}
+
+// GetNodes() returns the nodes in the mesh
+func (m *MeshSnapshot) GetNodes() map[string]mesh.MeshNode {
+	newMap := make(map[string]mesh.MeshNode)
+
+	for key, value := range m.Nodes {
+		newMap[key] = &MeshNode{
+			HostEndpoint: value.HostEndpoint,
+			PublicKey:    value.PublicKey,
+			WgHost:       value.WgHost,
+			WgEndpoint:   value.WgEndpoint,
+			Timestamp:    value.Timestamp,
+			Routes:       value.Routes,
+			Alias:        value.Alias,
+			Description:  value.Description,
+			Services:     value.Services,
+			Type:         value.Type,
+		}
+	}
+
+	return newMap
+}
+
+type TwoPhaseStoreMeshManager struct {
+	MeshId     string
+	IfName     string
+	Client     *wgctrl.Client
+	LastClock  uint64
+	conf       *conf.WgConfiguration
+	daemonConf *conf.DaemonConfiguration
+	store      *TwoPhaseMap[string, MeshNode]
+}
+
+// AddNode() adds a node to the mesh
+func (m *TwoPhaseStoreMeshManager) AddNode(node mesh.MeshNode) {
+	crdt, ok := node.(*MeshNode)
+
+	if !ok {
+		panic("node must be of type mesh node")
+	}
+
+	crdt.Routes = make(map[string]Route)
+	crdt.Services = make(map[string]string)
+	crdt.Timestamp = time.Now().Unix()
+
+	m.store.Put(crdt.PublicKey, *crdt)
+}
+
+// GetMesh() returns a snapshot of the mesh provided by the mesh provider.
+func (m *TwoPhaseStoreMeshManager) GetMesh() (mesh.MeshSnapshot, error) {
+	nodes := m.store.AsList()
+
+	snapshot := make(map[string]MeshNode)
+
+	for _, node := range nodes {
+		snapshot[node.PublicKey] = node
+	}
+
+	return &MeshSnapshot{
+		Nodes: snapshot,
+	}, nil
+}
+
+// GetMeshId() returns the ID of the mesh network
+func (m *TwoPhaseStoreMeshManager) GetMeshId() string {
+	return m.MeshId
+}
+
+// Save() saves the mesh network
+func (m *TwoPhaseStoreMeshManager) Save() []byte {
+	snapshot := m.store.Snapshot()
+
+	var buf bytes.Buffer
+	enc := gob.NewEncoder(&buf)
+
+	err := enc.Encode(*snapshot)
+
+	if err != nil {
+		logging.Log.WriteInfof(err.Error())
+	}
+
+	return buf.Bytes()
+}
+
+// Load() loads a mesh network
+func (m *TwoPhaseStoreMeshManager) Load(bs []byte) error {
+	buf := bytes.NewBuffer(bs)
+	dec := gob.NewDecoder(buf)
+
+	var snapshot TwoPhaseMapSnapshot[string, MeshNode]
+	err := dec.Decode(&snapshot)
+
+	m.store.Merge(snapshot)
+	return err
+}
+
+// GetDevice() get the device corresponding with the mesh
+func (m *TwoPhaseStoreMeshManager) GetDevice() (*wgtypes.Device, error) {
+	dev, err := m.Client.Device(m.IfName)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return dev, nil
+}
+
+// HasChanges returns true if we have changes since last time we synced
+func (m *TwoPhaseStoreMeshManager) HasChanges() bool {
+	clockValue := m.store.GetHash()
+	return clockValue != m.LastClock
+}
+
+// Record that we have changes and save the corresponding changes
+func (m *TwoPhaseStoreMeshManager) SaveChanges() {
+	clockValue := m.store.GetHash()
+	m.LastClock = clockValue
+}
+
+// UpdateTimeStamp: update the timestamp of the given node
+func (m *TwoPhaseStoreMeshManager) UpdateTimeStamp(nodeId string) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	// Sort nodes by their public key
+	peers := m.GetPeers()
+	slices.Sort(peers)
+
+	if len(peers) == 0 {
+		return nil
+	}
+
+	peerToUpdate := peers[0]
+
+	if uint64(time.Now().Unix())-m.store.Clock.GetTimestamp(peerToUpdate) > 3*uint64(m.daemonConf.KeepAliveTime) {
+		m.store.Mark(peerToUpdate)
+
+		if len(peers) < 2 {
+			return nil
+		}
+
+		peerToUpdate = peers[1]
+	}
+
+	if peerToUpdate != nodeId {
+		return nil
+	}
+
+	// Refresh causing node to update it's time stamp
+	node := m.store.Get(nodeId)
+	node.Timestamp = time.Now().Unix()
+	m.store.Put(nodeId, node)
+	return nil
+}
+
+// AddRoutes: adds routes to the given node
+func (m *TwoPhaseStoreMeshManager) AddRoutes(nodeId string, routes ...mesh.Route) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	if len(routes) == 0 {
+		return nil
+	}
+
+	node := m.store.Get(nodeId)
+
+	changes := false
+
+	for _, route := range routes {
+		prevRoute, ok := node.Routes[route.GetDestination().String()]
+
+		if !ok || route.GetHopCount() < prevRoute.GetHopCount() {
+			changes = true
+
+			node.Routes[route.GetDestination().String()] = Route{
+				Destination: route.GetDestination().String(),
+				Path:        route.GetPath(),
+			}
+		}
+	}
+
+	if changes {
+		m.store.Put(nodeId, node)
+	}
+
+	return nil
+}
+
+// DeleteRoutes: deletes the routes from the node
+func (m *TwoPhaseStoreMeshManager) RemoveRoutes(nodeId string, routes ...mesh.Route) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	if len(routes) == 0 {
+		return nil
+	}
+
+	node := m.store.Get(nodeId)
+
+	changes := false
+
+	for _, route := range routes {
+		changes = true
+		delete(node.Routes, route.GetDestination().String())
+	}
+
+	if changes {
+		m.store.Put(nodeId, node)
+	}
+
+	return nil
+}
+
+// GetSyncer: returns the automerge syncer for sync
+func (m *TwoPhaseStoreMeshManager) GetSyncer() mesh.MeshSyncer {
+	return NewTwoPhaseSyncer(m)
+}
+
+// GetNode get a particular not within the mesh
+func (m *TwoPhaseStoreMeshManager) GetNode(nodeId string) (mesh.MeshNode, error) {
+	if !m.store.Contains(nodeId) {
+		return nil, fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	node := m.store.Get(nodeId)
+	return &node, nil
+}
+
+// NodeExists: returns true if a particular node exists false otherwise
+func (m *TwoPhaseStoreMeshManager) NodeExists(nodeId string) bool {
+	return m.store.Contains(nodeId)
+}
+
+// SetDescription: sets the description of this automerge data type
+func (m *TwoPhaseStoreMeshManager) SetDescription(nodeId string, description string) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	node := m.store.Get(nodeId)
+	node.Description = description
+
+	m.store.Put(nodeId, node)
+	return nil
+}
+
+// SetAlias: set the alias of the nodeId
+func (m *TwoPhaseStoreMeshManager) SetAlias(nodeId string, alias string) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	node := m.store.Get(nodeId)
+	node.Alias = alias
+
+	m.store.Put(nodeId, node)
+	return nil
+}
+
+// AddService: adds the service to the given node
+func (m *TwoPhaseStoreMeshManager) AddService(nodeId string, key string, value string) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	node := m.store.Get(nodeId)
+	node.Services[key] = value
+	m.store.Put(nodeId, node)
+	return nil
+}
+
+// RemoveService: removes the service form the node. throws an error if the service does not exist
+func (m *TwoPhaseStoreMeshManager) RemoveService(nodeId string, key string) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	node := m.store.Get(nodeId)
+	delete(node.Services, key)
+	m.store.Put(nodeId, node)
+	return nil
+}
+
+// Prune: prunes all nodes that have not updated their timestamp in
+func (m *TwoPhaseStoreMeshManager) Prune() error {
+	m.store.Prune()
+	return nil
+}
+
+// GetPeers: get a list of contactable peers
+func (m *TwoPhaseStoreMeshManager) GetPeers() []string {
+	nodes := m.store.AsList()
+	nodes = lib.Filter(nodes, func(mn MeshNode) bool {
+		if mn.Type != string(conf.PEER_ROLE) {
+			return false
+		}
+
+		// If the node is marked as unreachable don't consider it a peer.
+		// this help to optimize convergence time for unreachable nodes.
+		// However advertising it to other nodes could result in flapping.
+		if m.store.IsMarked(mn.PublicKey) {
+			return false
+		}
+
+		return true
+	})
+
+	return lib.Map(nodes, func(mn MeshNode) string {
+		return mn.PublicKey
+	})
+}
+
+func (m *TwoPhaseStoreMeshManager) getRoutes(targetNode string) (map[string]Route, error) {
+	if !m.store.Contains(targetNode) {
+		return nil, fmt.Errorf("getRoute: cannot get route %s does not exist", targetNode)
+	}
+
+	node := m.store.Get(targetNode)
+	return node.Routes, nil
+}
+
+// GetRoutes(): Get all unique routes. Where the route with the least hop count is chosen
+func (m *TwoPhaseStoreMeshManager) GetRoutes(targetNode string) (map[string]mesh.Route, error) {
+	node, err := m.GetNode(targetNode)
+
+	if err != nil {
+		return nil, err
+	}
+
+	routes := make(map[string]mesh.Route)
+
+	// Add routes that the node directly has
+	for _, route := range node.GetRoutes() {
+		routes[route.GetDestination().String()] = route
+	}
+
+	// Work out the other routes in the mesh
+	for _, node := range m.GetPeers() {
+		nodeRoutes, err := m.getRoutes(node)
+
+		if err != nil {
+			return nil, err
+		}
+
+		for _, route := range nodeRoutes {
+			otherRoute, ok := routes[route.GetDestination().String()]
+
+			hopCount := route.GetHopCount()
+
+			if node != targetNode {
+				hopCount += 1
+			}
+
+			if !ok || route.GetHopCount()+1 < otherRoute.GetHopCount() {
+				routes[route.GetDestination().String()] = &Route{
+					Destination: route.GetDestination().String(),
+					Path:        append(route.GetPath(), m.GetMeshId()),
+				}
+			}
+		}
+	}
+
+	return routes, nil
+}
+
+// RemoveNode(): remove the node from the mesh
+func (m *TwoPhaseStoreMeshManager) RemoveNode(nodeId string) error {
+	if !m.store.Contains(nodeId) {
+		return fmt.Errorf("datastore: %s does not exist in the mesh", nodeId)
+	}
+
+	m.store.Remove(nodeId)
+	return nil
+}
+
+// GetConfiguration implements mesh.MeshProvider.
+func (m *TwoPhaseStoreMeshManager) GetConfiguration() *conf.WgConfiguration {
+	return m.conf
+}

pkg/crdt/factory.go

@@ -0,0 +1,83 @@
+package crdt
+
+import (
+	"fmt"
+	"hash/fnv"
+
+	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/wgmesh/pkg/lib"
+	"github.com/tim-beatham/wgmesh/pkg/mesh"
+)
+
+type TwoPhaseMapFactory struct {
+	Config *conf.DaemonConfiguration
+}
+
+func (f *TwoPhaseMapFactory) CreateMesh(params *mesh.MeshProviderFactoryParams) (mesh.MeshProvider, error) {
+	return &TwoPhaseStoreMeshManager{
+		MeshId:     params.MeshId,
+		IfName:     params.DevName,
+		Client:     params.Client,
+		conf:       params.Conf,
+		daemonConf: params.DaemonConf,
+		store: NewTwoPhaseMap[string, MeshNode](params.NodeID, func(s string) uint64 {
+			h := fnv.New64a()
+			h.Write([]byte(s))
+			return h.Sum64()
+		}, uint64(3*f.Config.KeepAliveTime)),
+	}, nil
+}
+
+type MeshNodeFactory struct {
+	Config conf.DaemonConfiguration
+}
+
+func (f *MeshNodeFactory) Build(params *mesh.MeshNodeFactoryParams) mesh.MeshNode {
+	hostName := f.getAddress(params)
+
+	grpcEndpoint := fmt.Sprintf("%s:%d", hostName, f.Config.GrpcPort)
+	wgEndpoint := fmt.Sprintf("%s:%d", hostName, params.WgPort)
+
+	if *params.MeshConfig.Role == conf.CLIENT_ROLE {
+		grpcEndpoint = "-"
+		wgEndpoint = "-"
+	}
+
+	return &MeshNode{
+		HostEndpoint: grpcEndpoint,
+		PublicKey:    params.PublicKey.String(),
+		WgEndpoint:   wgEndpoint,
+		WgHost:       fmt.Sprintf("%s/128", params.NodeIP.String()),
+		Routes:       make(map[string]Route),
+		Description:  "",
+		Alias:        "",
+		Type:         string(*params.MeshConfig.Role),
+	}
+}
+
+// getAddress returns the routable address of the machine.
+func (f *MeshNodeFactory) getAddress(params *mesh.MeshNodeFactoryParams) string {
+	var hostName string = ""
+
+	if params.Endpoint != "" {
+		hostName = params.Endpoint
+	} else if params.MeshConfig.Endpoint != nil && len(*params.MeshConfig.Endpoint) != 0 {
+		hostName = *params.MeshConfig.Endpoint
+	} else {
+		ipFunc := lib.GetPublicIP
+
+		if *params.MeshConfig.IPDiscovery == conf.DNS_IP_DISCOVERY {
+			ipFunc = lib.GetOutboundIP
+		}
+
+		ip, err := ipFunc()
+
+		if err != nil {
+			return ""
+		}
+
+		hostName = ip.String()
+	}
+
+	return hostName
+}

pkg/crdt/g_map.go

@@ -0,0 +1,176 @@
+// crdt is a golang implementation of a crdt
+package crdt
+
+import (
+	"cmp"
+	"sync"
+)
+
+type Bucket[D any] struct {
+	Vector     uint64
+	Contents   D
+	Gravestone bool
+}
+
+// GMap is a set that can only grow in size
+type GMap[K cmp.Ordered, D any] struct {
+	lock     sync.RWMutex
+	contents map[uint64]Bucket[D]
+	clock    *VectorClock[K]
+}
+
+func (g *GMap[K, D]) Put(key K, value D) {
+	g.lock.Lock()
+
+	clock := g.clock.IncrementClock()
+
+	g.contents[g.clock.hashFunc(key)] = Bucket[D]{
+		Vector:   clock,
+		Contents: value,
+	}
+
+	g.lock.Unlock()
+}
+
+func (g *GMap[K, D]) Contains(key K) bool {
+	return g.contains(g.clock.hashFunc(key))
+}
+
+func (g *GMap[K, D]) contains(key uint64) bool {
+	g.lock.RLock()
+
+	_, ok := g.contents[key]
+
+	g.lock.RUnlock()
+
+	return ok
+}
+
+func (g *GMap[K, D]) put(key uint64, b Bucket[D]) {
+	g.lock.Lock()
+
+	if g.contents[key].Vector < b.Vector {
+		g.contents[key] = b
+	}
+
+	g.lock.Unlock()
+}
+
+func (g *GMap[K, D]) get(key uint64) Bucket[D] {
+	g.lock.RLock()
+	bucket := g.contents[key]
+	g.lock.RUnlock()
+
+	return bucket
+}
+
+func (g *GMap[K, D]) Get(key K) D {
+	return g.get(g.clock.hashFunc(key)).Contents
+}
+
+func (g *GMap[K, D]) Mark(key K) {
+	g.lock.Lock()
+	bucket := g.contents[g.clock.hashFunc(key)]
+	bucket.Gravestone = true
+	g.contents[g.clock.hashFunc(key)] = bucket
+	g.lock.Unlock()
+}
+
+// IsMarked: returns true if the node is marked
+func (g *GMap[K, D]) IsMarked(key K) bool {
+	marked := false
+
+	g.lock.RLock()
+
+	bucket, ok := g.contents[g.clock.hashFunc(key)]
+
+	if ok {
+		marked = bucket.Gravestone
+	}
+
+	g.lock.RUnlock()
+
+	return marked
+}
+
+func (g *GMap[K, D]) Keys() []uint64 {
+	g.lock.RLock()
+
+	contents := make([]uint64, len(g.contents))
+	index := 0
+
+	for key := range g.contents {
+		contents[index] = key
+		index++
+	}
+
+	g.lock.RUnlock()
+	return contents
+}
+
+func (g *GMap[K, D]) Save() map[uint64]Bucket[D] {
+	buckets := make(map[uint64]Bucket[D])
+	g.lock.RLock()
+
+	for key, value := range g.contents {
+		buckets[key] = value
+	}
+
+	g.lock.RUnlock()
+	return buckets
+}
+
+func (g *GMap[K, D]) SaveWithKeys(keys []uint64) map[uint64]Bucket[D] {
+	buckets := make(map[uint64]Bucket[D])
+	g.lock.RLock()
+
+	for _, key := range keys {
+		buckets[key] = g.contents[key]
+	}
+
+	g.lock.RUnlock()
+	return buckets
+}
+
+func (g *GMap[K, D]) GetClock() map[uint64]uint64 {
+	clock := make(map[uint64]uint64)
+	g.lock.RLock()
+
+	for key, bucket := range g.contents {
+		clock[key] = bucket.Vector
+	}
+
+	g.lock.RUnlock()
+	return clock
+}
+
+func (g *GMap[K, D]) GetHash() uint64 {
+	hash := uint64(0)
+
+	g.lock.RLock()
+
+	for _, value := range g.contents {
+		hash += value.Vector
+	}
+
+	g.lock.RUnlock()
+	return hash
+}
+
+func (g *GMap[K, D]) Prune() {
+	stale := g.clock.getStale()
+	g.lock.Lock()
+
+	for _, outlier := range stale {
+		delete(g.contents, outlier)
+	}
+
+	g.lock.Unlock()
+}
+
+func NewGMap[K cmp.Ordered, D any](clock *VectorClock[K]) *GMap[K, D] {
+	return &GMap[K, D]{
+		contents: make(map[uint64]Bucket[D]),
+		clock:    clock,
+	}
+}

pkg/crdt/two_phase_map.go

@@ -0,0 +1,211 @@
+package crdt
+
+import (
+	"cmp"
+
+	"github.com/tim-beatham/wgmesh/pkg/lib"
+)
+
+type TwoPhaseMap[K cmp.Ordered, D any] struct {
+	addMap    *GMap[K, D]
+	removeMap *GMap[K, bool]
+	Clock     *VectorClock[K]
+	processId K
+}
+
+type TwoPhaseMapSnapshot[K cmp.Ordered, D any] struct {
+	Add    map[uint64]Bucket[D]
+	Remove map[uint64]Bucket[bool]
+}
+
+// Contains checks whether the value exists in the map
+func (m *TwoPhaseMap[K, D]) Contains(key K) bool {
+	return m.contains(m.Clock.hashFunc(key))
+}
+
+// Contains checks whether the value exists in the map
+func (m *TwoPhaseMap[K, D]) contains(key uint64) bool {
+	if !m.addMap.contains(key) {
+		return false
+	}
+
+	addValue := m.addMap.get(key)
+
+	if !m.removeMap.contains(key) {
+		return true
+	}
+
+	removeValue := m.removeMap.get(key)
+
+	return addValue.Vector >= removeValue.Vector
+}
+
+func (m *TwoPhaseMap[K, D]) Get(key K) D {
+	var result D
+
+	if !m.Contains(key) {
+		return result
+	}
+
+	return m.addMap.Get(key)
+}
+
+func (m *TwoPhaseMap[K, D]) get(key uint64) D {
+	var result D
+
+	if !m.contains(key) {
+		return result
+	}
+
+	return m.addMap.get(key).Contents
+}
+
+// Put places the key K in the map
+func (m *TwoPhaseMap[K, D]) Put(key K, data D) {
+	msgSequence := m.Clock.IncrementClock()
+	m.Clock.Put(key, msgSequence)
+	m.addMap.Put(key, data)
+}
+
+func (m *TwoPhaseMap[K, D]) Mark(key K) {
+	m.addMap.Mark(key)
+}
+
+// Remove removes the value from the map
+func (m *TwoPhaseMap[K, D]) Remove(key K) {
+	m.removeMap.Put(key, true)
+}
+
+func (m *TwoPhaseMap[K, D]) keys() []uint64 {
+	keys := make([]uint64, 0)
+
+	addKeys := m.addMap.Keys()
+
+	for _, key := range addKeys {
+		if !m.contains(key) {
+			continue
+		}
+
+		keys = append(keys, key)
+	}
+
+	return keys
+}
+
+func (m *TwoPhaseMap[K, D]) AsList() []D {
+	theList := make([]D, 0)
+
+	keys := m.keys()
+
+	for _, key := range keys {
+		theList = append(theList, m.get(key))
+	}
+
+	return theList
+}
+
+func (m *TwoPhaseMap[K, D]) Snapshot() *TwoPhaseMapSnapshot[K, D] {
+	return &TwoPhaseMapSnapshot[K, D]{
+		Add:    m.addMap.Save(),
+		Remove: m.removeMap.Save(),
+	}
+}
+
+func (m *TwoPhaseMap[K, D]) SnapShotFromState(state *TwoPhaseMapState[K]) *TwoPhaseMapSnapshot[K, D] {
+	addKeys := lib.MapKeys(state.AddContents)
+	removeKeys := lib.MapKeys(state.RemoveContents)
+
+	return &TwoPhaseMapSnapshot[K, D]{
+		Add:    m.addMap.SaveWithKeys(addKeys),
+		Remove: m.removeMap.SaveWithKeys(removeKeys),
+	}
+}
+
+type TwoPhaseMapState[K cmp.Ordered] struct {
+	Vectors        map[uint64]uint64
+	AddContents    map[uint64]uint64
+	RemoveContents map[uint64]uint64
+}
+
+func (m *TwoPhaseMap[K, D]) IsMarked(key K) bool {
+	return m.addMap.IsMarked(key)
+}
+
+// GetHash: Get the hash of the current state of the map
+// Sums the current values of the vectors. Provides good approximation
+// of increasing numbers
+func (m *TwoPhaseMap[K, D]) GetHash() uint64 {
+	return (m.addMap.GetHash() + 1) * (m.removeMap.GetHash() + 1)
+}
+
+// GetState: get the current vector clock of the add and remove
+// map
+func (m *TwoPhaseMap[K, D]) GenerateMessage() *TwoPhaseMapState[K] {
+	addContents := m.addMap.GetClock()
+	removeContents := m.removeMap.GetClock()
+
+	return &TwoPhaseMapState[K]{
+		Vectors:        m.Clock.GetClock(),
+		AddContents:    addContents,
+		RemoveContents: removeContents,
+	}
+}
+
+func (m *TwoPhaseMapState[K]) Difference(highestStale uint64, state *TwoPhaseMapState[K]) *TwoPhaseMapState[K] {
+	mapState := &TwoPhaseMapState[K]{
+		AddContents:    make(map[uint64]uint64),
+		RemoveContents: make(map[uint64]uint64),
+	}
+
+	for key, value := range state.AddContents {
+		otherValue, ok := m.AddContents[key]
+
+		if value > highestStale && (!ok || otherValue < value) {
+			mapState.AddContents[key] = value
+		}
+	}
+
+	for key, value := range state.RemoveContents {
+		otherValue, ok := m.RemoveContents[key]
+
+		if value > highestStale && (!ok || otherValue < value) {
+			mapState.RemoveContents[key] = value
+		}
+	}
+
+	return mapState
+}
+
+func (m *TwoPhaseMap[K, D]) Merge(snapshot TwoPhaseMapSnapshot[K, D]) {
+	for key, value := range snapshot.Add {
+		// Gravestone is local only to that node.
+		// Discover ourselves if the node is alive
+		m.addMap.put(key, value)
+		m.Clock.put(key, value.Vector)
+	}
+
+	for key, value := range snapshot.Remove {
+		m.removeMap.put(key, value)
+		m.Clock.put(key, value.Vector)
+	}
+}
+
+func (m *TwoPhaseMap[K, D]) Prune() {
+	m.addMap.Prune()
+	m.removeMap.Prune()
+	m.Clock.Prune()
+}
+
+// NewTwoPhaseMap: create a new two phase map. Consists of two maps
+// a grow map and a remove map. If both timestamps equal then favour keeping
+// it in the map
+func NewTwoPhaseMap[K cmp.Ordered, D any](processId K, hashKey func(K) uint64, staleTime uint64) *TwoPhaseMap[K, D] {
+	m := TwoPhaseMap[K, D]{
+		processId: processId,
+		Clock:     NewVectorClock(processId, hashKey, staleTime),
+	}
+
+	m.addMap = NewGMap[K, D](m.Clock)
+	m.removeMap = NewGMap[K, bool](m.Clock)
+	return &m
+}

pkg/crdt/two_phase_map_syncer.go

@@ -0,0 +1,190 @@
+package crdt
+
+import (
+	"bytes"
+	"encoding/gob"
+
+	logging "github.com/tim-beatham/wgmesh/pkg/log"
+)
+
+type SyncState int
+
+const (
+	HASH SyncState = iota
+	PREPARE
+	PRESENT
+	EXCHANGE
+	MERGE
+	FINISHED
+)
+
+// TwoPhaseSyncer is a type to sync a TwoPhase data store
+type TwoPhaseSyncer struct {
+	manager            *TwoPhaseStoreMeshManager
+	generateMessageFSM SyncFSM
+	state              SyncState
+	mapState           *TwoPhaseMapState[string]
+	peerMsg            []byte
+}
+
+type TwoPhaseHash struct {
+	Hash uint64
+}
+
+type SyncFSM map[SyncState]func(*TwoPhaseSyncer) ([]byte, bool)
+
+func hash(syncer *TwoPhaseSyncer) ([]byte, bool) {
+	hash := TwoPhaseHash{
+		Hash: syncer.manager.store.Clock.GetHash(),
+	}
+
+	var buffer bytes.Buffer
+	enc := gob.NewEncoder(&buffer)
+
+	err := enc.Encode(hash)
+
+	if err != nil {
+		logging.Log.WriteErrorf(err.Error())
+	}
+
+	syncer.IncrementState()
+	return buffer.Bytes(), true
+}
+
+func prepare(syncer *TwoPhaseSyncer) ([]byte, bool) {
+	var recvBuffer = bytes.NewBuffer(syncer.peerMsg)
+	dec := gob.NewDecoder(recvBuffer)
+
+	var hash TwoPhaseHash
+	err := dec.Decode(&hash)
+
+	if err != nil {
+		logging.Log.WriteErrorf(err.Error())
+	}
+
+	// If vector clocks are equal then no need to merge state
+	// Helps to reduce bandwidth by detecting early
+	if hash.Hash == syncer.manager.store.Clock.GetHash() {
+		return nil, false
+	}
+
+	// Increment the clock here so the clock gets
+	// distributed to everyone else in the mesh
+	syncer.manager.store.Clock.IncrementClock()
+
+	var buffer bytes.Buffer
+	enc := gob.NewEncoder(&buffer)
+
+	mapState := syncer.manager.store.GenerateMessage()
+
+	syncer.mapState = mapState
+	err = enc.Encode(*syncer.mapState)
+
+	if err != nil {
+		logging.Log.WriteErrorf(err.Error())
+	}
+
+	syncer.IncrementState()
+	return buffer.Bytes(), true
+}
+
+func present(syncer *TwoPhaseSyncer) ([]byte, bool) {
+	if syncer.peerMsg == nil {
+		panic("peer msg is nil")
+	}
+
+	var recvBuffer = bytes.NewBuffer(syncer.peerMsg)
+	dec := gob.NewDecoder(recvBuffer)
+
+	var mapState TwoPhaseMapState[string]
+	err := dec.Decode(&mapState)
+
+	if err != nil {
+		logging.Log.WriteErrorf(err.Error())
+	}
+
+	difference := syncer.mapState.Difference(syncer.manager.store.Clock.GetStaleCount(), &mapState)
+	syncer.manager.store.Clock.Merge(mapState.Vectors)
+
+	var sendBuffer bytes.Buffer
+	enc := gob.NewEncoder(&sendBuffer)
+	enc.Encode(*difference)
+
+	syncer.IncrementState()
+	return sendBuffer.Bytes(), true
+}
+
+func exchange(syncer *TwoPhaseSyncer) ([]byte, bool) {
+	if syncer.peerMsg == nil {
+		panic("peer msg is nil")
+	}
+
+	var recvBuffer = bytes.NewBuffer(syncer.peerMsg)
+	dec := gob.NewDecoder(recvBuffer)
+
+	var mapState TwoPhaseMapState[string]
+	dec.Decode(&mapState)
+
+	snapshot := syncer.manager.store.SnapShotFromState(&mapState)
+
+	var sendBuffer bytes.Buffer
+	enc := gob.NewEncoder(&sendBuffer)
+	enc.Encode(*snapshot)
+
+	syncer.IncrementState()
+	return sendBuffer.Bytes(), true
+}
+
+func merge(syncer *TwoPhaseSyncer) ([]byte, bool) {
+	if syncer.peerMsg == nil {
+		panic("peer msg is nil")
+	}
+
+	var recvBuffer = bytes.NewBuffer(syncer.peerMsg)
+	dec := gob.NewDecoder(recvBuffer)
+
+	var snapshot TwoPhaseMapSnapshot[string, MeshNode]
+	dec.Decode(&snapshot)
+
+	syncer.manager.store.Merge(snapshot)
+	return nil, false
+}
+
+func (t *TwoPhaseSyncer) IncrementState() {
+	t.state = min(t.state+1, FINISHED)
+}
+
+func (t *TwoPhaseSyncer) GenerateMessage() ([]byte, bool) {
+	fsmFunc, ok := t.generateMessageFSM[t.state]
+
+	if !ok {
+		panic("state not handled")
+	}
+
+	return fsmFunc(t)
+}
+
+func (t *TwoPhaseSyncer) RecvMessage(msg []byte) error {
+	t.peerMsg = msg
+	return nil
+}
+
+func (t *TwoPhaseSyncer) Complete() {
+	logging.Log.WriteInfof("SYNC COMPLETED")
+}
+
+func NewTwoPhaseSyncer(manager *TwoPhaseStoreMeshManager) *TwoPhaseSyncer {
+	var generateMessageFsm SyncFSM = SyncFSM{
+		HASH:     hash,
+		PREPARE:  prepare,
+		PRESENT:  present,
+		EXCHANGE: exchange,
+		MERGE:    merge,
+	}
+
+	return &TwoPhaseSyncer{
+		manager:            manager,
+		state:              HASH,
+		generateMessageFSM: generateMessageFsm,
+	}
+}

pkg/crdt/vector_clock.go

@@ -0,0 +1,168 @@
+package crdt
+
+import (
+	"cmp"
+	"sync"
+	"time"
+
+	"github.com/tim-beatham/wgmesh/pkg/lib"
+)
+
+type VectorBucket struct {
+	// clock current value of the node's clock
+	clock uint64
+	// lastUpdate we've seen
+	lastUpdate uint64
+}
+
+// Vector clock defines an abstract data type
+// for a vector clock implementation
+type VectorClock[K cmp.Ordered] struct {
+	vectors   map[uint64]*VectorBucket
+	lock      sync.RWMutex
+	processID K
+	staleTime uint64
+	hashFunc  func(K) uint64
+	// highest update that's been garbage collected
+	highestStale uint64
+}
+
+// IncrementClock: increments the node's value in the vector clock
+func (m *VectorClock[K]) IncrementClock() uint64 {
+	maxClock := uint64(0)
+	m.lock.Lock()
+
+	for _, value := range m.vectors {
+		maxClock = max(maxClock, value.clock)
+	}
+
+	newBucket := VectorBucket{
+		clock:      maxClock + 1,
+		lastUpdate: uint64(time.Now().Unix()),
+	}
+
+	m.vectors[m.hashFunc(m.processID)] = &newBucket
+
+	m.lock.Unlock()
+	return maxClock
+}
+
+// GetHash: gets the hash of the vector clock used to determine if there
+// are any changes
+func (m *VectorClock[K]) GetHash() uint64 {
+	m.lock.RLock()
+
+	hash := uint64(0)
+
+	for key, bucket := range m.vectors {
+		hash += key * (bucket.clock + 1)
+	}
+
+	m.lock.RUnlock()
+	return hash
+}
+
+func (m *VectorClock[K]) Merge(vectors map[uint64]uint64) {
+	for key, value := range vectors {
+		m.put(key, value)
+	}
+}
+
+// getStale: get all entries that are stale within the mesh
+func (m *VectorClock[K]) getStale() []uint64 {
+	m.lock.RLock()
+	maxTimeStamp := lib.Reduce(0, lib.MapValues(m.vectors), func(i uint64, vb *VectorBucket) uint64 {
+		return max(i, vb.lastUpdate)
+	})
+
+	toRemove := make([]uint64, 0)
+
+	for key, bucket := range m.vectors {
+		if maxTimeStamp-bucket.lastUpdate > m.staleTime {
+			toRemove = append(toRemove, key)
+			m.highestStale = max(bucket.clock, m.highestStale)
+		}
+	}
+
+	m.lock.RUnlock()
+	return toRemove
+}
+
+// GetStaleCount: returns a vector clock which is considered to be stale.
+// all updates must be greater than this
+func (m *VectorClock[K]) GetStaleCount() uint64 {
+	m.lock.RLock()
+	staleCount := m.highestStale
+	m.lock.RUnlock()
+	return staleCount
+}
+
+func (m *VectorClock[K]) Prune() {
+	stale := m.getStale()
+
+	m.lock.Lock()
+
+	for _, key := range stale {
+		delete(m.vectors, key)
+	}
+
+	m.lock.Unlock()
+}
+
+func (m *VectorClock[K]) GetTimestamp(processId K) uint64 {
+	m.lock.RLock()
+
+	lastUpdate := m.vectors[m.hashFunc(m.processID)].lastUpdate
+
+	m.lock.RUnlock()
+	return lastUpdate
+}
+
+func (m *VectorClock[K]) Put(key K, value uint64) {
+	m.put(m.hashFunc(key), value)
+}
+
+func (m *VectorClock[K]) put(key uint64, value uint64) {
+	clockValue := uint64(0)
+
+	m.lock.Lock()
+	bucket, ok := m.vectors[key]
+
+	if ok {
+		clockValue = bucket.clock
+	}
+
+	// Make sure that entries that were garbage collected don't get
+	// addded back
+	if value > clockValue && value > m.highestStale {
+		newBucket := VectorBucket{
+			clock:      value,
+			lastUpdate: uint64(time.Now().Unix()),
+		}
+		m.vectors[key] = &newBucket
+	}
+
+	m.lock.Unlock()
+}
+
+func (m *VectorClock[K]) GetClock() map[uint64]uint64 {
+	clock := make(map[uint64]uint64)
+
+	m.lock.RLock()
+
+	for key, value := range m.vectors {
+		clock[key] = value.clock
+	}
+
+	m.lock.RUnlock()
+	return clock
+}
+
+func NewVectorClock[K cmp.Ordered](processID K, hashFunc func(K) uint64, staleTime uint64) *VectorClock[K] {
+	return &VectorClock[K]{
+		vectors:   make(map[uint64]*VectorBucket),
+		processID: processID,
+		staleTime: staleTime,
+		hashFunc:  hashFunc,
+	}
+}

pkg/ctrlserver/ctrlserver.go

@@ -1,9 +1,9 @@
 package ctrlserver
 
 import (
-	crdt "github.com/tim-beatham/wgmesh/pkg/automerge"
 	"github.com/tim-beatham/wgmesh/pkg/conf"
 	"github.com/tim-beatham/wgmesh/pkg/conn"
+	"github.com/tim-beatham/wgmesh/pkg/crdt"
 	"github.com/tim-beatham/wgmesh/pkg/ip"
 	"github.com/tim-beatham/wgmesh/pkg/lib"
 	logging "github.com/tim-beatham/wgmesh/pkg/log"
@@ -16,36 +16,40 @@ import (
 
 // NewCtrlServerParams are the params requried to create a new ctrl server
 type NewCtrlServerParams struct {
-	Conf         *conf.WgMeshConfiguration
+	Conf         *conf.DaemonConfiguration
 	Client       *wgctrl.Client
 	CtrlProvider rpc.MeshCtrlServerServer
 	SyncProvider rpc.SyncServiceServer
 	Querier      query.Querier
+	OnDelete     func(mesh.MeshProvider)
 }
 
 // Create a new instance of the MeshCtrlServer or error if the
 // operation failed
 func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	ctrlServer := new(MeshCtrlServer)
-	meshFactory := crdt.CrdtProviderFactory{}
+	meshFactory := &crdt.TwoPhaseMapFactory{
-	nodeFactory := crdt.MeshNodeFactory{
+		Config: params.Conf,
+	}
+	nodeFactory := &crdt.MeshNodeFactory{
 		Config: *params.Conf,
 	}
-	idGenerator := &lib.UUIDGenerator{}
+	idGenerator := &lib.IDNameGenerator{}
 	ipAllocator := &ip.ULABuilder{}
 	interfaceManipulator := wg.NewWgInterfaceManipulator(params.Client)
 
-	configApplyer := mesh.NewWgMeshConfigApplyer(params.Conf)
+	configApplyer := mesh.NewWgMeshConfigApplyer()
 
 	meshManagerParams := &mesh.NewMeshManagerParams{
 		Conf:                 *params.Conf,
 		Client:               params.Client,
-		MeshProvider:         &meshFactory,
+		MeshProvider:         meshFactory,
-		NodeFactory:          &nodeFactory,
+		NodeFactory:          nodeFactory,
 		IdGenerator:          idGenerator,
 		IPAllocator:          ipAllocator,
 		InterfaceManipulator: interfaceManipulator,
 		ConfigApplyer:        configApplyer,
+		OnDelete:             params.OnDelete,
 	}
 
 	ctrlServer.MeshManager = mesh.NewMeshManager(meshManagerParams)
@@ -85,7 +89,8 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	return ctrlServer, nil
 }
 
-func (s *MeshCtrlServer) GetConfiguration() *conf.WgMeshConfiguration {
+
+func (s *MeshCtrlServer) GetConfiguration() *conf.DaemonConfiguration {
 	return s.Conf
 }
 

pkg/ctrlserver/ctrltypes.go

@@ -1,14 +1,31 @@
 package ctrlserver
 
 import (
+	"net"
+	"time"
+
 	"github.com/tim-beatham/wgmesh/pkg/conf"
 	"github.com/tim-beatham/wgmesh/pkg/conn"
+	"github.com/tim-beatham/wgmesh/pkg/lib"
 	"github.com/tim-beatham/wgmesh/pkg/mesh"
 	"github.com/tim-beatham/wgmesh/pkg/query"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
+type MeshRoute struct {
+	Destination string
+	Path        []string
+}
+
+// Represents the WireGuard configuration attached to the node
+type WireGuardStats struct {
+	AllowedIPs                  []string
+	TransmitBytes               int64
+	ReceivedBytes               int64
+	PersistentKeepAliveInterval time.Duration
+}
+
 // Represents a WireGuard MeshNode
 type MeshNode struct {
 	HostEndpoint string
@@ -16,10 +33,11 @@ type MeshNode struct {
 	PublicKey    string
 	WgHost       string
 	Timestamp    int64
-	Routes       []string
+	Routes       []MeshRoute
 	Description  string
 	Alias        string
 	Services     map[string]string
+	Stats        WireGuardStats
 }
 
 // Represents a WireGuard Mesh
@@ -29,7 +47,7 @@ type Mesh struct {
 }
 
 type CtrlServer interface {
-	GetConfiguration() *conf.WgMeshConfiguration
+	GetConfiguration() *conf.DaemonConfiguration
 	GetClient() *wgctrl.Client
 	GetQuerier() query.Querier
 	GetMeshManager() mesh.MeshManager
@@ -43,6 +61,56 @@ type MeshCtrlServer struct {
 	MeshManager       mesh.MeshManager
 	ConnectionManager conn.ConnectionManager
 	ConnectionServer  *conn.ConnectionServer
-	Conf              *conf.WgMeshConfiguration
+	Conf              *conf.DaemonConfiguration
 	Querier           query.Querier
 }
+
+// NewCtrlNode create an instance of a ctrl node to send over an
+// IPC call
+func NewCtrlNode(provider mesh.MeshProvider, node mesh.MeshNode) *MeshNode {
+	pubKey, _ := node.GetPublicKey()
+
+	ctrlNode := MeshNode{
+		HostEndpoint: node.GetHostEndpoint(),
+		WgEndpoint:   node.GetWgEndpoint(),
+		PublicKey:    pubKey.String(),
+		WgHost:       node.GetWgHost().String(),
+		Timestamp:    node.GetTimeStamp(),
+		Routes: lib.Map(node.GetRoutes(), func(r mesh.Route) MeshRoute {
+			return MeshRoute{
+				Destination: r.GetDestination().String(),
+				Path:        r.GetPath(),
+			}
+		}),
+		Description: node.GetDescription(),
+		Alias:       node.GetAlias(),
+		Services:    node.GetServices(),
+	}
+
+	device, err := provider.GetDevice()
+
+	if err != nil {
+		return &ctrlNode
+	}
+
+	peers := lib.Filter(device.Peers, func(p wgtypes.Peer) bool {
+		return p.PublicKey.String() == pubKey.String()
+	})
+
+	if len(peers) > 0 {
+		peer := peers[0]
+
+		stats := WireGuardStats{
+			AllowedIPs: lib.Map(peer.AllowedIPs, func(i net.IPNet) string {
+				return i.String()
+			}),
+			TransmitBytes:               peer.TransmitBytes,
+			ReceivedBytes:               peer.ReceiveBytes,
+			PersistentKeepAliveInterval: peer.PersistentKeepaliveInterval,
+		}
+
+		ctrlNode.Stats = stats
+	}
+
+	return &ctrlNode
+}

pkg/ctrlserver/stub.go

@@ -23,10 +23,10 @@ func NewCtrlServerStub() *CtrlServerStub {
 	}
 }
 
-func (c *CtrlServerStub) GetConfiguration() *conf.WgMeshConfiguration {
+func (c *CtrlServerStub) GetConfiguration() *conf.DaemonConfiguration {
-	return &conf.WgMeshConfiguration{
+	return &conf.DaemonConfiguration{
-		GrpcPort: "8080",
+		GrpcPort:          8080,
-		Endpoint: "abc.com",
+		BaseConfiguration: conf.WgConfiguration{},
 	}
 }
 

pkg/dns/dns.go

@@ -0,0 +1,114 @@
+package smegdns
+
+import (
+	"encoding/json"
+	"fmt"
+	"net"
+	"net/rpc"
+
+	"github.com/miekg/dns"
+	"github.com/tim-beatham/wgmesh/pkg/ipc"
+	"github.com/tim-beatham/wgmesh/pkg/lib"
+	logging "github.com/tim-beatham/wgmesh/pkg/log"
+	"github.com/tim-beatham/wgmesh/pkg/query"
+)
+
+const SockAddr = "/tmp/wgmesh_ipc.sock"
+
+const MeshRegularExpression = `(?P<meshId>.+)\.(?P<alias>.+)\.smeg\.`
+
+type DNSHandler struct {
+	client *rpc.Client
+	server *dns.Server
+}
+
+// queryMesh: queries the mesh network for the given meshId and node
+// with alias
+func (d *DNSHandler) queryMesh(meshId, alias string) net.IP {
+	var reply string
+
+	err := d.client.Call("IpcHandler.Query", &ipc.QueryMesh{
+		MeshId: meshId,
+		Query:  fmt.Sprintf("[?alias == '%s'] | [0]", alias),
+	}, &reply)
+
+	if err != nil {
+		return nil
+	}
+
+	var node *query.QueryNode
+
+	err = json.Unmarshal([]byte(reply), &node)
+
+	if err != nil || node == nil {
+		return nil
+	}
+
+	ip, _, _ := net.ParseCIDR(node.WgHost)
+	return ip
+}
+
+func (d *DNSHandler) handleQuery(m *dns.Msg) {
+	for _, q := range m.Question {
+		switch q.Qtype {
+		case dns.TypeAAAA:
+			logging.Log.WriteInfof("Query for %s", q.Name)
+
+			groups := lib.MatchCaptureGroup(MeshRegularExpression, q.Name)
+
+			if len(groups) == 0 {
+				continue
+			}
+
+			ip := d.queryMesh(groups["meshId"], groups["alias"])
+
+			rr, err := dns.NewRR(fmt.Sprintf("%s AAAA %s", q.Name, ip))
+
+			if err != nil {
+				logging.Log.WriteErrorf(err.Error())
+			}
+
+			if err == nil {
+				m.Answer = append(m.Answer, rr)
+			}
+		}
+	}
+}
+
+func (h *DNSHandler) handleDnsRequest(w dns.ResponseWriter, r *dns.Msg) {
+	msg := new(dns.Msg)
+	msg.SetReply(r)
+	msg.Authoritative = true
+
+	switch r.Opcode {
+	case dns.OpcodeQuery:
+		h.handleQuery(msg)
+	}
+
+	w.WriteMsg(msg)
+}
+
+func (h *DNSHandler) Listen() error {
+	return h.server.ListenAndServe()
+}
+
+func (h *DNSHandler) Close() error {
+	return h.server.Shutdown()
+}
+
+func NewDns(udpPort int) (*DNSHandler, error) {
+	client, err := rpc.DialHTTP("unix", SockAddr)
+
+	if err != nil {
+		return nil, err
+	}
+
+	dnsHander := DNSHandler{
+		client: client,
+	}
+
+	dns.HandleFunc("smeg.", dnsHander.handleDnsRequest)
+
+	dnsHander.server = &dns.Server{Addr: fmt.Sprintf(":%d", udpPort), Net: "udp"}
+	return &dnsHander, nil
+}

pkg/grpc/ctrlserver/ctrlserver.proto

@@ -4,13 +4,13 @@ package rpctypes;
 option go_package = "pkg/rpc";
 
 service MeshCtrlServer {
-    rpc JoinMesh(JoinMeshRequest) returns (JoinMeshReply) {}
+    rpc GetMesh(GetMeshRequest) returns (GetMeshReply) {} 
 }
 
-message JoinMeshRequest {
+message GetMeshRequest {
-    string meshId = 2;
+    string meshId = 1;
 }
 
-message JoinMeshReply {
+message GetMeshReply {
-    bool success = 1;
+    bytes mesh = 1;
 }

pkg/hosts/hosts.go

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

pkg/ipc/ipc.go

@@ -10,12 +10,29 @@ import (
 	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
 )
 
-type NewMeshArgs struct {
+// WireGuardArgs are provided args specific to WireGuard
+type WireGuardArgs struct {
 	// WgPort is the WireGuard port to expose
 	WgPort int
+	// KeepAliveWg is the number of seconds to keep alive
+	// for WireGuard NAT/firewall traversal
+	KeepAliveWg int
+	// AdvertiseRoutes whether or not to advertise routes to and from the
+	// mesh network
+	AdvertiseRoutes bool
+	// AdvertiseDefaultRoute whether or not to advertise the default route
+	// into the mesh network
+	AdvertiseDefaultRoute bool
 	// Endpoint is the routable alias of the machine. Can be an IP
 	// or DNS entry
 	Endpoint string
+	// Role is the role of the individual in the mesh
+	Role string
+}
+
+type NewMeshArgs struct {
+	// WgArgs are specific WireGuard args to use
+	WgArgs WireGuardArgs
 }
 
 type JoinMeshArgs struct {
@@ -23,14 +40,8 @@ type JoinMeshArgs struct {
 	MeshId string
 	// IpAddress is a routable IP in another mesh
 	IpAdress string
-	// Port is the WireGuard port to expose
+	// WgArgs is the WireGuard parameters to use.
-	Port int
+	WgArgs WireGuardArgs
-	// Endpoint is the routable address of this machine. If not provided
-	// defaults to the default address
-	Endpoint string
-	// Client specifies whether we should join as a client of the peer
-	// we are connecting to
-	Client bool
 }
 
 type PutServiceArgs struct {
@@ -51,24 +62,17 @@ type QueryMesh struct {
 	Query  string
 }
 
-type GetNodeArgs struct {
-	NodeId string
-	MeshId string
-}
-
 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
-	EnableInterface(meshId string, reply *string) error
 	GetDOT(meshId string, reply *string) error
 	Query(query QueryMesh, reply *string) error
 	PutDescription(description string, reply *string) error
 	PutAlias(alias string, reply *string) error
 	PutService(args PutServiceArgs, reply *string) error
-	GetNode(args GetNodeArgs, reply *string) error
 	DeleteService(service string, reply *string) error
 }
 

pkg/lib/conv.go

@@ -1,11 +1,34 @@
 package lib
 
+import "cmp"
+
 // MapToSlice converts a map to a slice in go
-func MapValues[K comparable, V any](m map[K]V) []V {
+func MapValues[K cmp.Ordered, V any](m map[K]V) []V {
 	return MapValuesWithExclude(m, map[K]struct{}{})
 }
 
-func MapValuesWithExclude[K comparable, V any](m map[K]V, exclude map[K]struct{}) []V {
+type MapItemsEntry[K cmp.Ordered, V any] struct {
+	Key   K
+	Value V
+}
+
+func MapItems[K cmp.Ordered, V any](m map[K]V) []MapItemsEntry[K, V] {
+	keys := MapKeys(m)
+	values := MapValues(m)
+
+	vs := make([]MapItemsEntry[K, V], len(keys))
+
+	for index, _ := range keys {
+		vs[index] = MapItemsEntry[K, V]{
+			Key:   keys[index],
+			Value: values[index],
+		}
+	}
+
+	return vs
+}
+
+func MapValuesWithExclude[K cmp.Ordered, V any](m map[K]V, exclude map[K]struct{}) []V {
 	values := make([]V, len(m)-len(exclude))
 
 	i := 0
@@ -26,7 +49,7 @@ func MapValuesWithExclude[K comparable, V any](m map[K]V, exclude map[K]struct{}
 	return values
 }
 
-func MapKeys[K comparable, V any](m map[K]V) []K {
+func MapKeys[K cmp.Ordered, V any](m map[K]V) []K {
 	values := make([]K, len(m))
 
 	i := 0
@@ -66,3 +89,23 @@ func Filter[V any](list []V, f filterFunc[V]) []V {
 
 	return newList
 }
+
+func Contains[V any](list []V, proposition func(V) bool) bool {
+	for _, elem := range list {
+		if proposition(elem) {
+			return true
+		}
+	}
+
+	return false
+}
+
+func Reduce[A any, V any](start A, values []V, reduce func(A, V) A) A {
+	accum := start
+
+	for _, elem := range values {
+		accum = reduce(accum, elem)
+	}
+
+	return accum
+}

pkg/lib/hashing.go

@@ -18,7 +18,7 @@ func HashString(value string) int {
 
 // ConsistentHash implementation. Traverse the values until we find a key
 // less than ours.
-func ConsistentHash[V any](values []V, client V, keyFunc func(V) int) V {
+func ConsistentHash[V any, K any](values []V, client K, bucketFunc func(V) int, keyFunc func(K) int) V {
 	if len(values) == 0 {
 		panic("values is empty")
 	}
@@ -26,7 +26,7 @@ func ConsistentHash[V any](values []V, client V, keyFunc func(V) int) V {
 	vs := Map(values, func(v V) consistentHashRecord[V] {
 		return consistentHashRecord[V]{
 			v,
-			keyFunc(v),
+			bucketFunc(v),
 		}
 	})
 

pkg/lib/id.go

@@ -1,6 +1,9 @@
 package lib
 
-import "github.com/google/uuid"
+import (
+	"github.com/anandvarma/namegen"
+	"github.com/google/uuid"
+)
 
 // IdGenerator generates unique ids
 type IdGenerator interface {
@@ -15,3 +18,11 @@ func (g *UUIDGenerator) GetId() (string, error) {
 	id := uuid.New()
 	return id.String(), nil
 }
+
+type IDNameGenerator struct {
+}
+
+func (i *IDNameGenerator) GetId() (string, error) {
+	name_schema := namegen.New()
+	return name_schema.Get(), nil
+}

pkg/lib/ip.go

@@ -9,14 +9,14 @@ import (
 )
 
 // GetOutboundIP: gets the oubound IP of this packet
-func GetOutboundIP() net.IP {
+func GetOutboundIP() (net.IP, error) {
 	conn, err := net.Dial("udp", "8.8.8.8:80")
 	if err != nil {
 		log.Fatal(err)
 	}
 	defer conn.Close()
 	localAddr := conn.LocalAddr().(*net.UDPAddr)
-	return localAddr.IP
+	return localAddr.IP, nil
 }
 
 const IP_SERVICE = "https://api.ipify.org?format=json"

pkg/lib/regex.go

@@ -0,0 +1,19 @@
+package lib
+
+import "regexp"
+
+func MatchCaptureGroup(pattern, payload string) map[string]string {
+	patterns := make(map[string]string)
+
+	expr := regexp.MustCompile(pattern)
+
+	match := expr.FindStringSubmatch(payload)
+
+	for i, name := range expr.SubexpNames() {
+		if i != 0 && name != "" {
+			patterns[name] = match[i]
+		}
+	}
+
+	return patterns
+}

pkg/lib/rtnetlink.go

@@ -140,26 +140,38 @@ func (c *RtNetlinkConfig) AddRoute(ifName string, route Route) error {
 		family = unix.AF_INET
 	}
 
-	attr := rtnetlink.RouteAttributes{
+	routes, err := c.listRoutes(ifName, family)
-		Dst:      dst.IP,
-		OutIface: uint32(iface.Index),
-		Gateway:  gw,
-	}
-
-	ones, _ := dst.Mask.Size()
-
-	err = c.conn.Route.Replace(&rtnetlink.RouteMessage{
-		Family:     family,
-		Table:      unix.RT_TABLE_MAIN,
-		Protocol:   unix.RTPROT_BOOT,
-		Scope:      unix.RT_SCOPE_LINK,
-		Type:       unix.RTN_UNICAST,
-		DstLength:  uint8(ones),
-		Attributes: attr,
-	})
 
 	if err != nil {
-		return fmt.Errorf("failed to add route %w", err)
+		return err
+	}
+
+	// If it already exists no need to add the route
+	if !Contains(routes, func(prevRoute rtnetlink.RouteMessage) bool {
+		return prevRoute.Attributes.Dst.Equal(route.Destination.IP) &&
+			prevRoute.Attributes.Gateway.Equal(route.Gateway)
+	}) {
+		attr := rtnetlink.RouteAttributes{
+			Dst:      dst.IP,
+			OutIface: uint32(iface.Index),
+			Gateway:  gw,
+		}
+
+		ones, _ := dst.Mask.Size()
+
+		err = c.conn.Route.Replace(&rtnetlink.RouteMessage{
+			Family:     family,
+			Table:      unix.RT_TABLE_MAIN,
+			Protocol:   unix.RTPROT_BOOT,
+			Scope:      unix.RT_SCOPE_LINK,
+			Type:       unix.RTN_UNICAST,
+			DstLength:  uint8(ones),
+			Attributes: attr,
+		})
+
+		if err != nil {
+			return fmt.Errorf("failed to add route %w", err)
+		}
 	}
 
 	return nil
@@ -201,7 +213,7 @@ func (c *RtNetlinkConfig) DeleteRoute(ifName string, route Route) error {
 	})
 
 	if err != nil {
-		return fmt.Errorf("failed to delete route %w", err)
+		return fmt.Errorf("failed to delete route %s", dst.IP.String())
 	}
 
 	return nil
@@ -213,28 +225,24 @@ type Route struct {
 }
 
 func (r1 Route) equal(r2 Route) bool {
+	mask1Ones, _ := r1.Destination.Mask.Size()
+	mask2Ones, _ := r2.Destination.Mask.Size()
+
 	return r1.Gateway.String() == r2.Gateway.String() &&
-		r1.Destination.String() == r2.Destination.String()
+		(mask1Ones == 0 && mask2Ones == 0 || r1.Destination.IP.Equal(r2.Destination.IP))
 }
 
 // DeleteRoutes deletes all routes not in exclude
 func (c *RtNetlinkConfig) DeleteRoutes(ifName string, family uint8, exclude ...Route) error {
-	routes := make([]rtnetlink.RouteMessage, 0)
+	routes, err := c.listRoutes(ifName, family)
 
-	if len(exclude) != 0 {
+	if err != nil {
-		lRoutes, err := c.listRoutes(ifName, family, exclude[0].Gateway)
+		return err
-
-		if err != nil {
-			return err
-		}
-
-		routes = lRoutes
 	}
 
 	ifRoutes := make([]Route, 0)
 
 	for _, rtRoute := range routes {
-		logging.Log.WriteInfof("Routes: %s", rtRoute.Attributes.Dst.String())
 		maskSize := 128
 
 		if family == unix.AF_INET {
@@ -252,17 +260,18 @@ func (c *RtNetlinkConfig) DeleteRoutes(ifName string, family uint8, exclude ...R
 
 	shouldExclude := func(r Route) bool {
 		for _, route := range exclude {
-			if route.equal(r) {
+			if r.equal(route) {
 				return false
 			}
 		}
+
 		return true
 	}
 
 	toDelete := Filter(ifRoutes, shouldExclude)
 
 	for _, route := range toDelete {
-		logging.Log.WriteInfof("Deleting route %s", route.Destination.String())
+		logging.Log.WriteInfof("Deleting route: %s", route.Destination.String())
 		err := c.DeleteRoute(ifName, route)
 
 		if err != nil {
@@ -274,7 +283,7 @@ func (c *RtNetlinkConfig) DeleteRoutes(ifName string, family uint8, exclude ...R
 }
 
 // listRoutes lists all routes on the interface
-func (c *RtNetlinkConfig) listRoutes(ifName string, family uint8, gateway net.IP) ([]rtnetlink.RouteMessage, error) {
+func (c *RtNetlinkConfig) listRoutes(ifName string, family uint8) ([]rtnetlink.RouteMessage, error) {
 	iface, err := net.InterfaceByName(ifName)
 
 	if err != nil {
@@ -288,7 +297,7 @@ func (c *RtNetlinkConfig) listRoutes(ifName string, family uint8, gateway net.IP
 	}
 
 	filterFunc := func(r rtnetlink.RouteMessage) bool {
-		return r.Attributes.Gateway.Equal(gateway) && r.Attributes.OutIface == uint32(iface.Index)
+		return r.Attributes.Gateway != nil && r.Attributes.OutIface == uint32(iface.Index)
 	}
 
 	routes = Filter(routes, filterFunc)

pkg/mesh/alias.go

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

pkg/mesh/config.go

@@ -3,9 +3,12 @@ package mesh
 import (
 	"fmt"
 	"net"
+	"slices"
+	"strings"
 	"time"
 
 	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/wgmesh/pkg/ip"
 	"github.com/tim-beatham/wgmesh/pkg/lib"
 	"github.com/tim-beatham/wgmesh/pkg/route"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
@@ -21,50 +24,350 @@ type MeshConfigApplyer interface {
 // WgMeshConfigApplyer applies WireGuard configuration
 type WgMeshConfigApplyer struct {
 	meshManager    MeshManager
-	config         *conf.WgMeshConfiguration
 	routeInstaller route.RouteInstaller
+	hashFunc       func(MeshNode) int
 }
 
-func (m *WgMeshConfigApplyer) convertMeshNode(node MeshNode, peerToClients map[string][]net.IPNet) (*wgtypes.PeerConfig, error) {
+type routeNode struct {
-	endpoint, err := net.ResolveUDPAddr("udp", node.GetWgEndpoint())
+	gateway string
+	route   Route
+}
 
-	if err != nil {
+type convertMeshNodeParams struct {
-		return nil, err
+	node          MeshNode
-	}
+	self          MeshNode
+	mesh          MeshProvider
+	device        *wgtypes.Device
+	peerToClients map[string][]net.IPNet
+	routes        map[string][]routeNode
+}
 
-	pubKey, err := node.GetPublicKey()
+func (m *WgMeshConfigApplyer) convertMeshNode(params convertMeshNodeParams) (*wgtypes.PeerConfig, error) {
+	pubKey, err := params.node.GetPublicKey()
 
 	if err != nil {
 		return nil, err
 	}
 
 	allowedips := make([]net.IPNet, 1)
-	allowedips[0] = *node.GetWgHost()
+	allowedips[0] = *params.node.GetWgHost()
 
-	for _, route := range node.GetRoutes() {
+	clients, ok := params.peerToClients[pubKey.String()]
-		_, ipnet, _ := net.ParseCIDR(route)
-		allowedips = append(allowedips, *ipnet)
-	}
-
-	clients, ok := peerToClients[node.GetWgHost().String()]
 
 	if ok {
 		allowedips = append(allowedips, clients...)
 	}
 
-	keepAlive := time.Duration(m.config.KeepAliveWg) * time.Second
+	for _, route := range params.node.GetRoutes() {
+		bestRoutes := params.routes[route.GetDestination().String()]
+		var pickedRoute routeNode
+
+		if len(bestRoutes) == 1 {
+			pickedRoute = bestRoutes[0]
+		} else if len(bestRoutes) > 1 {
+			bucketFunc := func(rn routeNode) int {
+				return lib.HashString(rn.gateway)
+			}
+
+			// Else there is more than one candidate so consistently hash
+			pickedRoute = lib.ConsistentHash(bestRoutes, params.self, bucketFunc, m.hashFunc)
+		}
+
+		if pickedRoute.gateway == pubKey.String() {
+			allowedips = append(allowedips, *pickedRoute.route.GetDestination())
+		}
+	}
+
+	config := params.mesh.GetConfiguration()
+
+	var keepAlive time.Duration = time.Duration(0)
+
+	if config.KeepAliveWg != nil {
+		keepAlive = time.Duration(*config.KeepAliveWg) * time.Second
+	}
+
+	existing := slices.IndexFunc(params.device.Peers, func(p wgtypes.Peer) bool {
+		pubKey, _ := params.node.GetPublicKey()
+		return p.PublicKey.String() == pubKey.String()
+	})
+
+	endpoint, err := net.ResolveUDPAddr("udp", params.node.GetWgEndpoint())
+
+	if err != nil {
+		return nil, err
+	}
+
+	// Don't override the existing IP in case it already exists
+	if existing != -1 {
+		endpoint = params.device.Peers[existing].Endpoint
+	}
 
 	peerConfig := wgtypes.PeerConfig{
 		PublicKey:                   pubKey,
 		Endpoint:                    endpoint,
 		AllowedIPs:                  allowedips,
 		PersistentKeepaliveInterval: &keepAlive,
+		ReplaceAllowedIPs:           true,
 	}
 
 	return &peerConfig, nil
 }
 
-func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider) error {
+// 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 {
+	mesh, _ := meshProvider.GetMesh()
+	routes := make(map[string][]routeNode)
+
+	peers := lib.Filter(lib.MapValues(mesh.GetNodes()), func(p MeshNode) bool {
+		return p.GetType() == conf.PEER_ROLE
+	})
+
+	meshPrefixes := lib.Map(lib.MapValues(m.meshManager.GetMeshes()), func(mesh MeshProvider) *net.IPNet {
+		ula := &ip.ULABuilder{}
+		ipNet, _ := ula.GetIPNet(mesh.GetMeshId())
+		return ipNet
+	})
+
+	for _, node := range mesh.GetNodes() {
+		pubKey, _ := node.GetPublicKey()
+
+		for _, route := range node.GetRoutes() {
+			if lib.Contains(meshPrefixes, func(prefix *net.IPNet) bool {
+				if prefix.IP.Equal(net.IPv6zero) && *meshProvider.GetConfiguration().AdvertiseDefaultRoute {
+					return true
+				}
+
+				return prefix.Contains(route.GetDestination().IP)
+			}) {
+				continue
+			}
+
+			destination := route.GetDestination().String()
+			otherRoute, ok := routes[destination]
+
+			rn := routeNode{
+				gateway: pubKey.String(),
+				route:   route,
+			}
+
+			// Client's only acessible by another peer
+			if node.GetType() == conf.CLIENT_ROLE {
+				peer := m.getCorrespondingPeer(peers, node)
+				self, _ := m.meshManager.GetSelf(meshProvider.GetMeshId())
+
+				// 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()),
+					}
+				}
+			}
+
+			if !ok {
+				otherRoute = make([]routeNode, 1)
+				otherRoute[0] = rn
+				routes[destination] = otherRoute
+			} else if route.GetHopCount() < otherRoute[0].route.GetHopCount() {
+				otherRoute[0] = rn
+			} else if otherRoute[0].route.GetHopCount() == route.GetHopCount() {
+				routes[destination] = append(otherRoute, rn)
+			}
+		}
+	}
+
+	return routes
+}
+
+// getCorrespondignPeer: gets the peer corresponding to the client
+func (m *WgMeshConfigApplyer) getCorrespondingPeer(peers []MeshNode, client MeshNode) MeshNode {
+	peer := lib.ConsistentHash(peers, client, m.hashFunc, m.hashFunc)
+	return peer
+}
+
+func (m *WgMeshConfigApplyer) getPeerCfgsToRemove(dev *wgtypes.Device, newPeers []wgtypes.PeerConfig) []wgtypes.PeerConfig {
+	peers := dev.Peers
+	peers = lib.Filter(peers, func(p1 wgtypes.Peer) bool {
+		return !lib.Contains(newPeers, func(p2 wgtypes.PeerConfig) bool {
+			return p1.PublicKey.String() == p2.PublicKey.String()
+		})
+	})
+
+	return lib.Map(peers, func(p wgtypes.Peer) wgtypes.PeerConfig {
+		return wgtypes.PeerConfig{
+			PublicKey: p.PublicKey,
+			Remove:    true,
+		}
+	})
+}
+
+type GetConfigParams struct {
+	mesh    MeshProvider
+	peers   []MeshNode
+	clients []MeshNode
+	dev     *wgtypes.Device
+	routes  map[string][]routeNode
+}
+
+func (m *WgMeshConfigApplyer) getClientConfig(params *GetConfigParams) (*wgtypes.Config, error) {
+	self, err := m.meshManager.GetSelf(params.mesh.GetMeshId())
+	ula := &ip.ULABuilder{}
+	meshNet, _ := ula.GetIPNet(params.mesh.GetMeshId())
+
+	routesForMesh := lib.Map(lib.MapValues(params.routes), func(rns []routeNode) []routeNode {
+		return lib.Filter(rns, func(rn routeNode) bool {
+			ip, _, _ := net.ParseCIDR(rn.gateway)
+			return meshNet.Contains(ip)
+		})
+	})
+
+	routes := lib.Map(routesForMesh, func(rs []routeNode) net.IPNet {
+		return *rs[0].route.GetDestination()
+	})
+	routes = append(routes, *meshNet)
+
+	if err != nil {
+		return nil, err
+	}
+
+	peer := m.getCorrespondingPeer(params.peers, self)
+	pubKey, _ := peer.GetPublicKey()
+
+	config := params.mesh.GetConfiguration()
+
+	keepAlive := time.Duration(*config.KeepAliveWg) * time.Second
+	endpoint, err := net.ResolveUDPAddr("udp", peer.GetWgEndpoint())
+
+	if err != nil {
+		return nil, err
+	}
+
+	peerCfgs := make([]wgtypes.PeerConfig, 1)
+
+	peerCfgs[0] = wgtypes.PeerConfig{
+		PublicKey:                   pubKey,
+		Endpoint:                    endpoint,
+		PersistentKeepaliveInterval: &keepAlive,
+		AllowedIPs:                  routes,
+		ReplaceAllowedIPs:           true,
+	}
+
+	installedRoutes := make([]lib.Route, 0)
+
+	for _, route := range peerCfgs[0].AllowedIPs {
+		installedRoutes = append(installedRoutes, lib.Route{
+			Gateway:     peer.GetWgHost().IP,
+			Destination: route,
+		})
+	}
+
+	cfg := wgtypes.Config{
+		Peers: peerCfgs,
+	}
+
+	m.routeInstaller.InstallRoutes(params.dev.Name, installedRoutes...)
+	return &cfg, err
+}
+
+func (m *WgMeshConfigApplyer) getRoutesToInstall(wgNode *wgtypes.PeerConfig, mesh MeshProvider, node MeshNode) []lib.Route {
+	routes := make([]lib.Route, 0)
+
+	for _, route := range wgNode.AllowedIPs {
+		ula := &ip.ULABuilder{}
+		ipNet, _ := ula.GetIPNet(mesh.GetMeshId())
+
+		_, defaultRoute, _ := net.ParseCIDR("::/0")
+
+		if !ipNet.Contains(route.IP) && !ipNet.IP.Equal(defaultRoute.IP) {
+			routes = append(routes, lib.Route{
+				Gateway:     node.GetWgHost().IP,
+				Destination: route,
+			})
+		}
+	}
+
+	return routes
+}
+
+func (m *WgMeshConfigApplyer) getPeerConfig(params *GetConfigParams) (*wgtypes.Config, error) {
+	peerToClients := make(map[string][]net.IPNet)
+	installedRoutes := make([]lib.Route, 0)
+	peerConfigs := make([]wgtypes.PeerConfig, 0)
+	self, err := m.meshManager.GetSelf(params.mesh.GetMeshId())
+
+	if err != nil {
+		return nil, err
+	}
+
+	for _, n := range params.clients {
+		if len(params.peers) > 0 {
+			peer := m.getCorrespondingPeer(params.peers, n)
+			pubKey, _ := peer.GetPublicKey()
+			clients, ok := peerToClients[pubKey.String()]
+
+			if !ok {
+				clients = make([]net.IPNet, 0)
+				peerToClients[pubKey.String()] = clients
+			}
+
+			peerToClients[pubKey.String()] = append(clients, *n.GetWgHost())
+
+			if NodeEquals(self, peer) {
+				cfg, err := m.convertMeshNode(convertMeshNodeParams{
+					node:          n,
+					self:          self,
+					mesh:          params.mesh,
+					device:        params.dev,
+					peerToClients: peerToClients,
+					routes:        params.routes,
+				})
+
+				if err != nil {
+					return nil, err
+				}
+
+				installedRoutes = append(installedRoutes, m.getRoutesToInstall(cfg, params.mesh, n)...)
+				peerConfigs = append(peerConfigs, *cfg)
+			}
+		}
+	}
+
+	for _, n := range params.peers {
+		if NodeEquals(n, self) {
+			continue
+		}
+
+		peer, err := m.convertMeshNode(convertMeshNodeParams{
+			node:          n,
+			self:          self,
+			mesh:          params.mesh,
+			peerToClients: peerToClients,
+			routes:        params.routes,
+			device:        params.dev,
+		})
+
+		if err != nil {
+			return nil, err
+		}
+
+		installedRoutes = append(installedRoutes, m.getRoutesToInstall(peer, params.mesh, n)...)
+		peerConfigs = append(peerConfigs, *peer)
+	}
+
+	cfg := wgtypes.Config{
+		Peers: peerConfigs,
+	}
+
+	err = m.routeInstaller.InstallRoutes(params.dev.Name, installedRoutes...)
+	return &cfg, err
+}
+
+func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider, routes map[string][]routeNode) error {
 	snap, err := mesh.GetMesh()
 
 	if err != nil {
@@ -72,13 +375,19 @@ func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider) error {
 	}
 
 	nodes := lib.MapValues(snap.GetNodes())
-	peerConfigs := make([]wgtypes.PeerConfig, len(nodes))
+	dev, _ := mesh.GetDevice()
+
+	slices.SortFunc(nodes, func(a, b MeshNode) int {
+		return strings.Compare(string(a.GetType()), string(b.GetType()))
+	})
 
 	peers := lib.Filter(nodes, func(mn MeshNode) bool {
 		return mn.GetType() == conf.PEER_ROLE
 	})
 
-	var count int = 0
+	clients := lib.Filter(nodes, func(mn MeshNode) bool {
+		return mn.GetType() == conf.CLIENT_ROLE
+	})
 
 	self, err := m.meshManager.GetSelf(mesh.GetMeshId())
 
@@ -86,76 +395,69 @@ func (m *WgMeshConfigApplyer) updateWgConf(mesh MeshProvider) error {
 		return err
 	}
 
-	rtnl, err := lib.NewRtNetlinkConfig()
+	var cfg *wgtypes.Config = nil
+
+	configParams := &GetConfigParams{
+		mesh:    mesh,
+		peers:   peers,
+		clients: clients,
+		dev:     dev,
+		routes:  routes,
+	}
+
+	switch self.GetType() {
+	case conf.PEER_ROLE:
+		cfg, err = m.getPeerConfig(configParams)
+	case conf.CLIENT_ROLE:
+		cfg, err = m.getClientConfig(configParams)
+	}
 
 	if err != nil {
 		return err
 	}
 
-	peerToClients := make(map[string][]net.IPNet)
+	toRemove := m.getPeerCfgsToRemove(dev, cfg.Peers)
+	cfg.Peers = append(cfg.Peers, toRemove...)
 
-	for _, n := range nodes {
+	err = m.meshManager.GetClient().ConfigureDevice(dev.Name, *cfg)
-		if NodeEquals(n, self) {
-			continue
-		}
 
-		if n.GetType() == conf.CLIENT_ROLE && len(peers) > 0 && self.GetType() == conf.CLIENT_ROLE {
+	if err != nil {
-			peer := lib.ConsistentHash(peers, n, func(mn MeshNode) int {
+		return err
-				return lib.HashString(mn.GetWgHost().String())
+	}
-			})
 
-			dev, err := mesh.GetDevice()
+	return nil
+}
 
-			if err != nil {
+func (m *WgMeshConfigApplyer) getAllRoutes() map[string][]routeNode {
-				return err
+	allRoutes := make(map[string][]routeNode)
-			}
 
-			rtnl.AddRoute(dev.Name, lib.Route{
+	for _, mesh := range m.meshManager.GetMeshes() {
-				Gateway:     peer.GetWgHost().IP,
+		routes := m.getRoutes(mesh)
-				Destination: *n.GetWgHost(),
-			})
 
-			if err != nil {
+		for destination, route := range routes {
-				return err
+			_, ok := allRoutes[destination]
-			}
-
-			clients, ok := peerToClients[peer.GetWgHost().String()]
 
 			if !ok {
-				clients = make([]net.IPNet, 0)
+				allRoutes[destination] = route
-				peerToClients[peer.GetWgHost().String()] = clients
+				continue
 			}
 
-			peerToClients[peer.GetWgHost().String()] = append(clients, *n.GetWgHost())
+			if allRoutes[destination][0].route.GetHopCount() == route[0].route.GetHopCount() {
-			continue
+				allRoutes[destination] = append(allRoutes[destination], route...)
+			} else if route[0].route.GetHopCount() < allRoutes[destination][0].route.GetHopCount() {
+				allRoutes[destination] = route
+			}
 		}
-
-		peer, err := m.convertMeshNode(n, peerToClients)
-
-		if err != nil {
-			return err
-		}
-
-		peerConfigs[count] = *peer
-		count++
 	}
 
-	cfg := wgtypes.Config{
+	return allRoutes
-		Peers: peerConfigs,
-	}
-
-	dev, err := mesh.GetDevice()
-
-	if err != nil {
-		return err
-	}
-
-	return m.meshManager.GetClient().ConfigureDevice(dev.Name, cfg)
 }
 
 func (m *WgMeshConfigApplyer) ApplyConfig() error {
+	allRoutes := m.getAllRoutes()
+
 	for _, mesh := range m.meshManager.GetMeshes() {
-		err := m.updateWgConf(mesh)
+		err := m.updateWgConf(mesh, allRoutes)
 
 		if err != nil {
 			return err
@@ -179,8 +481,8 @@ func (m *WgMeshConfigApplyer) RemovePeers(meshId string) error {
 	}
 
 	m.meshManager.GetClient().ConfigureDevice(dev.Name, wgtypes.Config{
+		Peers:        make([]wgtypes.PeerConfig, 0),
 		ReplacePeers: true,
-		Peers:        make([]wgtypes.PeerConfig, 1),
 	})
 
 	return nil
@@ -190,9 +492,12 @@ func (m *WgMeshConfigApplyer) SetMeshManager(manager MeshManager) {
 	m.meshManager = manager
 }
 
-func NewWgMeshConfigApplyer(config *conf.WgMeshConfiguration) MeshConfigApplyer {
+func NewWgMeshConfigApplyer() MeshConfigApplyer {
 	return &WgMeshConfigApplyer{
-		config:         config,
 		routeInstaller: route.NewRouteInstaller(),
+		hashFunc: func(mn MeshNode) int {
+			pubKey, _ := mn.GetPublicKey()
+			return lib.HashString(pubKey.String())
+		},
 	}
 }

pkg/mesh/graph.go

@@ -61,7 +61,7 @@ func (c *MeshDOTConverter) graphNode(g *graph.Graph, node MeshNode, meshId strin
 
 	self, _ := c.manager.GetSelf(meshId)
 
-	if node.GetHostEndpoint() == self.GetHostEndpoint() {
+	if NodeEquals(self, node) {
 		return
 	}
 

pkg/mesh/manager.go

@@ -3,23 +3,23 @@ package mesh
 import (
 	"errors"
 	"fmt"
+	"sync"
 
+	"github.com/tim-beatham/wgmesh/pkg/cmd"
 	"github.com/tim-beatham/wgmesh/pkg/conf"
 	"github.com/tim-beatham/wgmesh/pkg/ip"
 	"github.com/tim-beatham/wgmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
 	"github.com/tim-beatham/wgmesh/pkg/wg"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
 type MeshManager interface {
-	CreateMesh(port int) (string, error)
+	CreateMesh(params *CreateMeshParams) (string, error)
 	AddMesh(params *AddMeshParams) error
 	HasChanges(meshid string) bool
 	GetMesh(meshId string) MeshProvider
-	EnableInterface(meshId string) error
+	GetPublicKey() *wgtypes.Key
-	GetPublicKey(meshId string) (*wgtypes.Key, error)
 	AddSelf(params *AddSelfParams) error
 	LeaveMesh(meshId string) error
 	GetSelf(meshId string) (MeshNode, error)
@@ -31,33 +31,39 @@ type MeshManager interface {
 	UpdateTimeStamp() error
 	GetClient() *wgctrl.Client
 	GetMeshes() map[string]MeshProvider
-	Prune() error
 	Close() error
-	GetMonitor() MeshMonitor
 	GetNode(string, string) MeshNode
+	GetRouteManager() RouteManager
 }
 
 type MeshManagerImpl struct {
+	lock         sync.RWMutex
 	Meshes       map[string]MeshProvider
 	RouteManager RouteManager
 	Client       *wgctrl.Client
 	// HostParameters contains information that uniquely locates
 	// the node in the mesh network.
 	HostParameters       *HostParameters
-	conf                 *conf.WgMeshConfiguration
+	conf                 *conf.DaemonConfiguration
 	meshProviderFactory  MeshProviderFactory
 	nodeFactory          MeshNodeFactory
 	configApplyer        MeshConfigApplyer
 	idGenerator          lib.IdGenerator
 	ipAllocator          ip.IPAllocator
 	interfaceManipulator wg.WgInterfaceManipulator
-	Monitor              MeshMonitor
+	cmdRunner            cmd.CmdRunner
+	OnDelete             func(MeshProvider)
+}
+
+// GetRouteManager implements MeshManager.
+func (m *MeshManagerImpl) GetRouteManager() RouteManager {
+	return m.RouteManager
 }
 
 // RemoveService implements MeshManager.
 func (m *MeshManagerImpl) RemoveService(service string) error {
 	for _, mesh := range m.Meshes {
-		err := mesh.RemoveService(m.HostParameters.HostEndpoint, service)
+		err := mesh.RemoveService(m.HostParameters.GetPublicKey(), service)
 
 		if err != nil {
 			return err
@@ -70,7 +76,7 @@ func (m *MeshManagerImpl) RemoveService(service string) error {
 // SetService implements MeshManager.
 func (m *MeshManagerImpl) SetService(service string, value string) error {
 	for _, mesh := range m.Meshes {
-		err := mesh.AddService(m.HostParameters.HostEndpoint, service, value)
+		err := mesh.AddService(m.HostParameters.GetPublicKey(), service, value)
 
 		if err != nil {
 			return err
@@ -96,26 +102,38 @@ func (m *MeshManagerImpl) GetNode(meshid, nodeId string) MeshNode {
 	return node
 }
 
-// GetMonitor implements MeshManager.
+// CreateMeshParams contains the parameters required to create a mesh
-func (m *MeshManagerImpl) GetMonitor() MeshMonitor {
+type CreateMeshParams struct {
-	return m.Monitor
+	Port int
+	Conf *conf.WgConfiguration
 }
 
-// Prune implements MeshManager.
+// getConf: gets the new configuration with the base configuration overriden
-func (m *MeshManagerImpl) Prune() error {
+// from the recent
-	for _, mesh := range m.Meshes {
+func (m *MeshManagerImpl) getConf(override *conf.WgConfiguration) (*conf.WgConfiguration, error) {
-		err := mesh.Prune(m.conf.PruneTime)
+	meshConfiguration := m.conf.BaseConfiguration
+
+	if override != nil {
+		newConf, err := conf.MergeMeshConfiguration(meshConfiguration, *override)
 
 		if err != nil {
-			return err
+			return nil, err
 		}
+
+		meshConfiguration = newConf
 	}
 
-	return nil
+	return &meshConfiguration, nil
 }
 
 // CreateMesh: Creates a new mesh, stores it and returns the mesh id
-func (m *MeshManagerImpl) CreateMesh(port int) (string, error) {
+func (m *MeshManagerImpl) CreateMesh(args *CreateMeshParams) (string, error) {
+	meshConfiguration, err := m.getConf(args.Conf)
+
+	if err != nil {
+		return "", err
+	}
+
 	meshId, err := m.idGenerator.GetId()
 
 	var ifName string = ""
@@ -124,8 +142,10 @@ func (m *MeshManagerImpl) CreateMesh(port int) (string, error) {
 		return "", err
 	}
 
+	m.cmdRunner.RunCommands(m.conf.BaseConfiguration.PreUp...)
+
 	if !m.conf.StubWg {
-		ifName, err = m.interfaceManipulator.CreateInterface(port)
+		ifName, err = m.interfaceManipulator.CreateInterface(args.Port, m.HostParameters.PrivateKey)
 
 		if err != nil {
 			return "", fmt.Errorf("error creating mesh: %w", err)
@@ -133,18 +153,25 @@ func (m *MeshManagerImpl) CreateMesh(port int) (string, error) {
 	}
 
 	nodeManager, err := m.meshProviderFactory.CreateMesh(&MeshProviderFactoryParams{
-		DevName: ifName,
+		DevName:    ifName,
-		Port:    port,
+		Port:       args.Port,
-		Conf:    m.conf,
+		Conf:       meshConfiguration,
-		Client:  m.Client,
+		Client:     m.Client,
-		MeshId:  meshId,
+		MeshId:     meshId,
+		DaemonConf: m.conf,
+		NodeID:     m.HostParameters.GetPublicKey(),
 	})
 
 	if err != nil {
 		return "", fmt.Errorf("error creating mesh: %w", err)
 	}
 
+	m.lock.Lock()
 	m.Meshes[meshId] = nodeManager
+	m.lock.Unlock()
+
+	m.cmdRunner.RunCommands(m.conf.BaseConfiguration.PostUp...)
+
 	return meshId, nil
 }
 
@@ -152,6 +179,7 @@ type AddMeshParams struct {
 	MeshId    string
 	WgPort    int
 	MeshBytes []byte
+	Conf      *conf.WgConfiguration
 }
 
 // AddMesh: Add the mesh to the list of meshes
@@ -159,8 +187,16 @@ func (m *MeshManagerImpl) AddMesh(params *AddMeshParams) error {
 	var ifName string
 	var err error
 
+	meshConfiguration, err := m.getConf(params.Conf)
+
+	if err != nil {
+		return err
+	}
+
+	m.cmdRunner.RunCommands(meshConfiguration.PreUp...)
+
 	if !m.conf.StubWg {
-		ifName, err = m.interfaceManipulator.CreateInterface(params.WgPort)
+		ifName, err = m.interfaceManipulator.CreateInterface(params.WgPort, m.HostParameters.PrivateKey)
 
 		if err != nil {
 			return err
@@ -168,13 +204,17 @@ func (m *MeshManagerImpl) AddMesh(params *AddMeshParams) error {
 	}
 
 	meshProvider, err := m.meshProviderFactory.CreateMesh(&MeshProviderFactoryParams{
-		DevName: ifName,
+		DevName:    ifName,
-		Port:    params.WgPort,
+		Port:       params.WgPort,
-		Conf:    m.conf,
+		Conf:       meshConfiguration,
-		Client:  m.Client,
+		Client:     m.Client,
-		MeshId:  params.MeshId,
+		MeshId:     params.MeshId,
+		DaemonConf: m.conf,
+		NodeID:     m.HostParameters.GetPublicKey(),
 	})
 
+	m.cmdRunner.RunCommands(meshConfiguration.PostUp...)
+
 	if err != nil {
 		return err
 	}
@@ -185,7 +225,9 @@ func (m *MeshManagerImpl) AddMesh(params *AddMeshParams) error {
 		return err
 	}
 
+	m.lock.Lock()
 	m.Meshes[params.MeshId] = meshProvider
+	m.lock.Unlock()
 	return nil
 }
 
@@ -200,43 +242,10 @@ func (m *MeshManagerImpl) GetMesh(meshId string) MeshProvider {
 	return theMesh
 }
 
-// EnableInterface: Enables the given WireGuard interface.
-func (s *MeshManagerImpl) EnableInterface(meshId string) error {
-	err := s.configApplyer.ApplyConfig()
-
-	if err != nil {
-		return err
-	}
-
-	err = s.RouteManager.InstallRoutes()
-
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 // GetPublicKey: Gets the public key of the WireGuard mesh
-func (s *MeshManagerImpl) GetPublicKey(meshId string) (*wgtypes.Key, error) {
+func (s *MeshManagerImpl) GetPublicKey() *wgtypes.Key {
-	if s.conf.StubWg {
+	key := s.HostParameters.PrivateKey.PublicKey()
-		zeroedKey := make([]byte, wgtypes.KeyLen)
+	return &key
-		return (*wgtypes.Key)(zeroedKey), nil
-	}
-
-	mesh, ok := s.Meshes[meshId]
-
-	if !ok {
-		return nil, errors.New("mesh does not exist")
-	}
-
-	dev, err := mesh.GetDevice()
-
-	if err != nil {
-		return nil, err
-	}
-
-	return &dev.PublicKey, nil
 }
 
 type AddSelfParams struct {
@@ -266,24 +275,20 @@ func (s *MeshManagerImpl) AddSelf(params *AddSelfParams) error {
 		params.WgPort = device.ListenPort
 	}
 
-	pubKey, err := s.GetPublicKey(params.MeshId)
+	pubKey := s.HostParameters.PrivateKey.PublicKey()
 
-	if err != nil {
+	nodeIP, err := s.ipAllocator.GetIP(pubKey, params.MeshId)
-		return err
-	}
-
-	nodeIP, err := s.ipAllocator.GetIP(*pubKey, params.MeshId)
 
 	if err != nil {
 		return err
 	}
 
 	node := s.nodeFactory.Build(&MeshNodeFactoryParams{
-		PublicKey: pubKey,
+		PublicKey:  &pubKey,
-		NodeIP:    nodeIP,
+		NodeIP:     nodeIP,
-		WgPort:    params.WgPort,
+		WgPort:     params.WgPort,
-		Endpoint:  params.Endpoint,
+		Endpoint:   params.Endpoint,
-		Role:      s.conf.Role,
+		MeshConfig: mesh.GetConfiguration(),
 	})
 
 	if !s.conf.StubWg {
@@ -301,34 +306,49 @@ func (s *MeshManagerImpl) AddSelf(params *AddSelfParams) error {
 	}
 
 	s.Meshes[params.MeshId].AddNode(node)
-	return s.RouteManager.UpdateRoutes()
+	return nil
 }
 
 // LeaveMesh leaves the mesh network
 func (s *MeshManagerImpl) LeaveMesh(meshId string) error {
-	mesh, exists := s.Meshes[meshId]
+	mesh := s.GetMesh(meshId)
 
-	if !exists {
+	if mesh == nil {
 		return fmt.Errorf("mesh %s does not exist", meshId)
 	}
 
-	err := s.RouteManager.RemoveRoutes(meshId)
+	err := mesh.RemoveNode(s.HostParameters.GetPublicKey())
 
 	if err != nil {
 		return err
 	}
 
-	if !s.conf.StubWg {
+	if s.OnDelete != nil {
-		device, e := mesh.GetDevice()
+		s.OnDelete(mesh)
+	}
 
-		if e != nil {
+	s.lock.Lock()
+	delete(s.Meshes, meshId)
+	s.lock.Unlock()
+
+	s.cmdRunner.RunCommands(s.conf.BaseConfiguration.PreDown...)
+
+	if !s.conf.StubWg {
+		device, err := mesh.GetDevice()
+
+		if err != nil {
 			return err
 		}
 
 		err = s.interfaceManipulator.RemoveInterface(device.Name)
+
+		if err != nil {
+			return err
+		}
 	}
 
-	delete(s.Meshes, meshId)
+	s.cmdRunner.RunCommands(s.conf.BaseConfiguration.PostDown...)
+
 	return err
 }
 
@@ -339,8 +359,7 @@ func (s *MeshManagerImpl) GetSelf(meshId string) (MeshNode, error) {
 		return nil, fmt.Errorf("mesh %s does not exist", meshId)
 	}
 
-	logging.Log.WriteInfof(s.HostParameters.HostEndpoint)
+	node, err := meshInstance.GetNode(s.HostParameters.GetPublicKey())
-	node, err := meshInstance.GetNode(s.HostParameters.HostEndpoint)
 
 	if err != nil {
 		return nil, errors.New("the node doesn't exist in the mesh")
@@ -364,9 +383,10 @@ func (s *MeshManagerImpl) ApplyConfig() error {
 }
 
 func (s *MeshManagerImpl) SetDescription(description string) error {
-	for _, mesh := range s.Meshes {
+	meshes := s.GetMeshes()
-		if mesh.NodeExists(s.HostParameters.HostEndpoint) {
+	for _, mesh := range meshes {
-			err := mesh.SetDescription(s.HostParameters.HostEndpoint, description)
+		if mesh.NodeExists(s.HostParameters.GetPublicKey()) {
+			err := mesh.SetDescription(s.HostParameters.GetPublicKey(), description)
 
 			if err != nil {
 				return err
@@ -379,9 +399,10 @@ func (s *MeshManagerImpl) SetDescription(description string) error {
 
 // SetAlias implements MeshManager.
 func (s *MeshManagerImpl) SetAlias(alias string) error {
-	for _, mesh := range s.Meshes {
+	meshes := s.GetMeshes()
-		if mesh.NodeExists(s.HostParameters.HostEndpoint) {
+	for _, mesh := range meshes {
-			err := mesh.SetAlias(s.HostParameters.HostEndpoint, alias)
+		if mesh.NodeExists(s.HostParameters.GetPublicKey()) {
+			err := mesh.SetAlias(s.HostParameters.GetPublicKey(), alias)
 
 			if err != nil {
 				return err
@@ -393,9 +414,10 @@ func (s *MeshManagerImpl) SetAlias(alias string) error {
 
 // UpdateTimeStamp updates the timestamp of this node in all meshes
 func (s *MeshManagerImpl) UpdateTimeStamp() error {
-	for _, mesh := range s.Meshes {
+	meshes := s.GetMeshes()
-		if mesh.NodeExists(s.HostParameters.HostEndpoint) {
+	for _, mesh := range meshes {
-			err := mesh.UpdateTimeStamp(s.HostParameters.HostEndpoint)
+		if mesh.NodeExists(s.HostParameters.GetPublicKey()) {
+			err := mesh.UpdateTimeStamp(s.HostParameters.GetPublicKey())
 
 			if err != nil {
 				return err
@@ -411,7 +433,16 @@ func (s *MeshManagerImpl) GetClient() *wgctrl.Client {
 }
 
 func (s *MeshManagerImpl) GetMeshes() map[string]MeshProvider {
-	return s.Meshes
+	meshes := make(map[string]MeshProvider)
+
+	s.lock.RLock()
+
+	for id, mesh := range s.Meshes {
+		meshes[id] = mesh
+	}
+
+	s.lock.RUnlock()
+	return meshes
 }
 
 // Close the mesh manager
@@ -439,7 +470,7 @@ func (s *MeshManagerImpl) Close() error {
 
 // NewMeshManagerParams params required to create an instance of a mesh manager
 type NewMeshManagerParams struct {
-	Conf                 conf.WgMeshConfiguration
+	Conf                 conf.DaemonConfiguration
 	Client               *wgctrl.Client
 	MeshProvider         MeshProviderFactory
 	NodeFactory          MeshNodeFactory
@@ -448,22 +479,17 @@ type NewMeshManagerParams struct {
 	InterfaceManipulator wg.WgInterfaceManipulator
 	ConfigApplyer        MeshConfigApplyer
 	RouteManager         RouteManager
+	CommandRunner        cmd.CmdRunner
+	OnDelete             func(MeshProvider)
 }
 
 // Creates a new instance of a mesh manager with the given parameters
 func NewMeshManager(params *NewMeshManagerParams) MeshManager {
-	hostParams := HostParameters{}
+	privateKey, _ := wgtypes.GeneratePrivateKey()
-
+	hostParams := HostParameters{
-	switch params.Conf.Endpoint {
+		PrivateKey: &privateKey,
-	case "":
-		ip, _ := lib.GetPublicIP()
-		hostParams.HostEndpoint = fmt.Sprintf("%s:%s", ip.String(), params.Conf.GrpcPort)
-	default:
-		hostParams.HostEndpoint = fmt.Sprintf("%s:%s", params.Conf.Endpoint, params.Conf.GrpcPort)
 	}
 
-	logging.Log.WriteInfof("Endpoint %s", hostParams.HostEndpoint)
-
 	m := &MeshManagerImpl{
 		Meshes:              make(map[string]MeshProvider),
 		HostParameters:      &hostParams,
@@ -480,14 +506,14 @@ func NewMeshManager(params *NewMeshManagerParams) MeshManager {
 		m.RouteManager = NewRouteManager(m)
 	}
 
+	if params.CommandRunner == nil {
+		m.cmdRunner = &cmd.UnixCmdRunner{}
+	}
+
 	m.idGenerator = params.IdGenerator
 	m.ipAllocator = params.IPAllocator
 	m.interfaceManipulator = params.InterfaceManipulator
 
-	m.Monitor = NewMeshMonitor(m)
+	m.OnDelete = params.OnDelete
-
-	aliasManager := NewAliasManager()
-	m.Monitor.AddUpdateCallback(aliasManager.AddAliases)
-	m.Monitor.AddRemoveCallback(aliasManager.RemoveAliases)
 	return m
 }

pkg/mesh/manager_test.go

@@ -9,16 +9,33 @@ import (
 	"github.com/tim-beatham/wgmesh/pkg/wg"
 )
 
-func getMeshConfiguration() *conf.WgMeshConfiguration {
+func getMeshConfiguration() *conf.DaemonConfiguration {
-	return &conf.WgMeshConfiguration{
+	advertiseRoutes := true
-		GrpcPort:           "8080",
+	advertiseDefaultRoute := true
-		Endpoint:           "abc.com",
+	ipDiscovery := conf.PUBLIC_IP_DISCOVERY
-		ClusterSize:        64,
+	role := conf.PEER_ROLE
-		SyncRate:           4,
+
-		BranchRate:         3,
+	return &conf.DaemonConfiguration{
-		InterClusterChance: 0.15,
+		GrpcPort:             8080,
-		InfectionCount:     2,
+		CertificatePath:      "./somecertificatepath",
-		KeepAliveTime:      60,
+		PrivateKeyPath:       "./someprivatekeypath",
+		CaCertificatePath:    "./somecacertificatepath",
+		SkipCertVerification: true,
+		Timeout:              5,
+		Profile:              false,
+		StubWg:               true,
+		SyncRate:             2,
+		KeepAliveTime:        60,
+		ClusterSize:          64,
+		InterClusterChance:   0.15,
+		BranchRate:           3,
+		InfectionCount:       3,
+		BaseConfiguration: conf.WgConfiguration{
+			IPDiscovery:           &ipDiscovery,
+			AdvertiseRoutes:       &advertiseRoutes,
+			AdvertiseDefaultRoute: &advertiseDefaultRoute,
+			Role:                  &role,
+		},
 	}
 }
 
@@ -41,7 +58,10 @@ func getMeshManager() MeshManager {
 func TestCreateMeshCreatesANewMeshProvider(t *testing.T) {
 	manager := getMeshManager()
 
-	meshId, err := manager.CreateMesh("wg0", 5000)
+	meshId, err := manager.CreateMesh(&CreateMeshParams{
+		Port: 0,
+		Conf: &conf.WgConfiguration{},
+	})
 
 	if err != nil {
 		t.Error(err)
@@ -64,7 +84,6 @@ func TestAddMeshAddsAMesh(t *testing.T) {
 
 	manager.AddMesh(&AddMeshParams{
 		MeshId:    meshId,
-		DevName:   "wg0",
 		WgPort:    6000,
 		MeshBytes: make([]byte, 0),
 	})
@@ -83,7 +102,6 @@ func TestAddMeshMeshAlreadyExistsReplacesIt(t *testing.T) {
 	for i := 0; i < 2; i++ {
 		err := manager.AddMesh(&AddMeshParams{
 			MeshId:    meshId,
-			DevName:   "wg0",
 			WgPort:    6000,
 			MeshBytes: make([]byte, 0),
 		})
@@ -106,7 +124,6 @@ func TestAddSelfAddsSelfToTheMesh(t *testing.T) {
 
 	err := manager.AddMesh(&AddMeshParams{
 		MeshId:    meshId,
-		DevName:   "wg0",
 		WgPort:    6000,
 		MeshBytes: make([]byte, 0),
 	})
@@ -131,7 +148,7 @@ func TestAddSelfAddsSelfToTheMesh(t *testing.T) {
 		t.Error(err)
 	}
 
-	_, ok := mesh.GetNodes()["abc.com"]
+	_, ok := mesh.GetNodes()[manager.GetPublicKey().String()]
 
 	if !ok {
 		t.Fatalf(`node has not been added`)
@@ -175,7 +192,6 @@ func TestLeaveMeshDeletesMesh(t *testing.T) {
 
 	err := manager.AddMesh(&AddMeshParams{
 		MeshId:    meshId,
-		DevName:   "wg0",
 		WgPort:    6000,
 		MeshBytes: make([]byte, 0),
 	})
@@ -197,12 +213,51 @@ func TestLeaveMeshDeletesMesh(t *testing.T) {
 	}
 }
 
+func TestSetAlias(t *testing.T) {
+	manager := getMeshManager()
+	alias := "Firpo"
+
+	meshId, _ := manager.CreateMesh(&CreateMeshParams{
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
+
+	manager.AddSelf(&AddSelfParams{
+		MeshId:   meshId,
+		WgPort:   5000,
+		Endpoint: "abc.com:8080",
+	})
+
+	err := manager.SetAlias(alias)
+
+	if err != nil {
+		t.Fatalf(`failed to set the alias`)
+	}
+
+	self, err := manager.GetSelf(meshId)
+
+	if err != nil {
+		t.Fatalf(`failed to set the alias err: %s`, err.Error())
+	}
+
+	if alias != self.GetAlias() {
+		t.Fatalf(`alias should be %s was %s`, alias, self.GetAlias())
+	}
+}
+
 func TestSetDescription(t *testing.T) {
 	manager := getMeshManager()
 	description := "wooooo"
 
-	meshId1, _ := manager.CreateMesh(5000)
+	meshId1, _ := manager.CreateMesh(&CreateMeshParams{
-	meshId2, _ := manager.CreateMesh(5001)
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
+
+	meshId2, _ := manager.CreateMesh(&CreateMeshParams{
+		Port: 5001,
+		Conf: &conf.WgConfiguration{},
+	})
 
 	manager.AddSelf(&AddSelfParams{
 		MeshId:   meshId1,
@@ -220,13 +275,40 @@ func TestSetDescription(t *testing.T) {
 	if err != nil {
 		t.Fatalf(`failed to set the descriptions`)
 	}
+
+	self1, err := manager.GetSelf(meshId1)
+
+	if err != nil {
+		t.Fatalf(`failed to set the description`)
+	}
+
+	if description != self1.GetDescription() {
+		t.Fatalf(`description should be %s was %s`, description, self1.GetDescription())
+	}
+
+	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()
 
-	meshId1, _ := manager.CreateMesh(5000)
+	meshId1, _ := manager.CreateMesh(&CreateMeshParams{
-	meshId2, _ := manager.CreateMesh(5001)
+		Port: 5000,
+		Conf: &conf.WgConfiguration{},
+	})
+
+	meshId2, _ := manager.CreateMesh(&CreateMeshParams{
+		Port: 5001,
+		Conf: &conf.WgConfiguration{},
+	})
 
 	manager.AddSelf(&AddSelfParams{
 		MeshId:   meshId1,

pkg/mesh/monitor.go

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

pkg/mesh/pruner.go

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

pkg/mesh/route.go

@@ -1,184 +1,116 @@
 package mesh
 
 import (
-	"fmt"
 	"net"
 
 	"github.com/tim-beatham/wgmesh/pkg/ip"
 	"github.com/tim-beatham/wgmesh/pkg/lib"
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
-	"github.com/tim-beatham/wgmesh/pkg/route"
-	"golang.org/x/sys/unix"
 )
 
 type RouteManager interface {
 	UpdateRoutes() error
-	InstallRoutes() error
-	RemoveRoutes(meshId string) error
 }
 
 type RouteManagerImpl struct {
-	meshManager    MeshManager
+	meshManager MeshManager
-	routeInstaller route.RouteInstaller
 }
 
 func (r *RouteManagerImpl) UpdateRoutes() error {
 	meshes := r.meshManager.GetMeshes()
-	ulaBuilder := new(ip.ULABuilder)
+	routes := make(map[string][]Route)
 
 	for _, mesh1 := range meshes {
+		if !*mesh1.GetConfiguration().AdvertiseRoutes {
+			continue
+		}
+
+		self, err := r.meshManager.GetSelf(mesh1.GetMeshId())
+
+		if err != nil {
+			return err
+		}
+
+		if _, ok := routes[mesh1.GetMeshId()]; !ok {
+			routes[mesh1.GetMeshId()] = make([]Route, 0)
+		}
+
+		if *mesh1.GetConfiguration().AdvertiseDefaultRoute {
+			_, ipv6Default, _ := net.ParseCIDR("::/0")
+
+			defaultRoute := &RouteStub{
+				Destination: ipv6Default,
+				HopCount:    0,
+				Path:        []string{mesh1.GetMeshId()},
+			}
+
+			mesh1.AddRoutes(NodeID(self), defaultRoute)
+			routes[mesh1.GetMeshId()] = append(routes[mesh1.GetMeshId()], defaultRoute)
+		}
+
+		routeMap, err := mesh1.GetRoutes(NodeID(self))
+
+		if err != nil {
+			return err
+		}
+
 		for _, mesh2 := range meshes {
+			routeValues, ok := routes[mesh2.GetMeshId()]
+
+			if !ok {
+				routeValues = make([]Route, 0)
+			}
+
 			if mesh1 == mesh2 {
 				continue
 			}
 
-			ipNet, err := ulaBuilder.GetIPNet(mesh2.GetMeshId())
+			mesh1IpNet, _ := (&ip.ULABuilder{}).GetIPNet(mesh1.GetMeshId())
 
-			if err != nil {
+			routeValues = append(routeValues, &RouteStub{
-				logging.Log.WriteErrorf(err.Error())
+				Destination: mesh1IpNet,
-				return err
+				HopCount:    0,
-			}
+				Path:        []string{mesh1.GetMeshId()},
+			})
 
-			self, err := r.meshManager.GetSelf(mesh1.GetMeshId())
+			routeValues = append(routeValues, lib.MapValues(routeMap)...)
+			mesh2IpNet, _ := (&ip.ULABuilder{}).GetIPNet(mesh2.GetMeshId())
+			routeValues = lib.Filter(routeValues, func(r Route) bool {
+				pathNotMesh := func(s string) bool {
+					return s == mesh2.GetMeshId()
+				}
 
-			if err != nil {
+				// Remove any potential routing loops
-				return err
+				return !r.GetDestination().IP.Equal(mesh2IpNet.IP) &&
-			}
+					!lib.Contains(r.GetPath()[1:], pathNotMesh)
+			})
 
-			err = mesh1.AddRoutes(self.GetHostEndpoint(), ipNet.String())
+			routes[mesh2.GetMeshId()] = routeValues
+		}
+	}
 
-			if err != nil {
+	// Calculate the set different of each, working out routes to remove and to keep.
-				return err
+	for meshId, meshRoutes := range routes {
+		mesh := r.meshManager.GetMesh(meshId)
+		self, _ := r.meshManager.GetSelf(meshId)
+		toRemove := make([]Route, 0)
+
+		prevRoutes, _ := mesh.GetRoutes(NodeID(self))
+
+		for _, route := range prevRoutes {
+			if !lib.Contains(meshRoutes, func(r Route) bool {
+				return RouteEquals(r, route)
+			}) {
+				toRemove = append(toRemove, route)
 			}
 		}
-	}
 
-	return nil
+		mesh.RemoveRoutes(NodeID(self), toRemove...)
-}
+		mesh.AddRoutes(NodeID(self), meshRoutes...)
-
-// removeRoutes: removes all meshes we are no longer a part of
-func (r *RouteManagerImpl) RemoveRoutes(meshId string) error {
-	ulaBuilder := new(ip.ULABuilder)
-	meshes := r.meshManager.GetMeshes()
-
-	ipNet, err := ulaBuilder.GetIPNet(meshId)
-
-	if err != nil {
-		return err
-	}
-
-	for _, mesh1 := range meshes {
-		self, err := r.meshManager.GetSelf(meshId)
-
-		if err != nil {
-			return err
-		}
-
-		mesh1.RemoveRoutes(self.GetHostEndpoint(), ipNet.String())
-	}
-	return nil
-}
-
-// AddRoute adds a route to the given interface
-func (m *RouteManagerImpl) addRoute(ifName string, meshPrefix string, routes ...lib.Route) error {
-	rtnl, err := lib.NewRtNetlinkConfig()
-
-	if err != nil {
-		return fmt.Errorf("failed to create config: %w", err)
-	}
-	defer rtnl.Close()
-
-	// Delete any routes that may be vacant
-	err = rtnl.DeleteRoutes(ifName, unix.AF_INET6, routes...)
-
-	if err != nil {
-		return err
-	}
-
-	for _, route := range routes {
-		if route.Destination.String() == meshPrefix {
-			continue
-		}
-
-		err = rtnl.AddRoute(ifName, route)
-
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (m *RouteManagerImpl) installRoute(ifName string, meshid string, node MeshNode) error {
-	routeMapFunc := func(route string) lib.Route {
-		_, cidr, _ := net.ParseCIDR(route)
-
-		r := lib.Route{
-			Destination: *cidr,
-			Gateway:     node.GetWgHost().IP,
-		}
-		return r
-	}
-
-	ipBuilder := &ip.ULABuilder{}
-	ipNet, err := ipBuilder.GetIPNet(meshid)
-
-	if err != nil {
-		return err
-	}
-
-	routes := lib.Map(append(node.GetRoutes(), ipNet.String()), routeMapFunc)
-	return m.addRoute(ifName, ipNet.String(), routes...)
-}
-
-func (m *RouteManagerImpl) installRoutes(meshProvider MeshProvider) error {
-	mesh, err := meshProvider.GetMesh()
-
-	if err != nil {
-		return err
-	}
-
-	dev, err := meshProvider.GetDevice()
-
-	if err != nil {
-		return err
-	}
-
-	self, err := m.meshManager.GetSelf(meshProvider.GetMeshId())
-
-	if err != nil {
-		return err
-	}
-
-	for _, node := range mesh.GetNodes() {
-		if self.GetHostEndpoint() == node.GetHostEndpoint() {
-			continue
-		}
-
-		err = m.installRoute(dev.Name, meshProvider.GetMeshId(), node)
-
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// InstallRoutes installs all routes to the RIB
-func (r *RouteManagerImpl) InstallRoutes() error {
-	for _, mesh := range r.meshManager.GetMeshes() {
-		err := r.installRoutes(mesh)
-
-		if err != nil {
-			return err
-		}
 	}
 
 	return nil
 }
 
 func NewRouteManager(m MeshManager) RouteManager {
-	return &RouteManagerImpl{meshManager: m, routeInstaller: route.NewRouteInstaller()}
+	return &RouteManagerImpl{meshManager: m}
 }

pkg/mesh/stub_types.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/tim-beatham/wgmesh/pkg/conf"
+	"github.com/tim-beatham/wgmesh/pkg/lib"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
@@ -16,14 +17,16 @@ type MeshNodeStub struct {
 	wgEndpoint   string
 	wgHost       *net.IPNet
 	timeStamp    int64
-	routes       []string
+	routes       []Route
 	identifier   string
 	description  string
+	alias        string
+	services     map[string]string
 }
 
 // GetType implements MeshNode.
 func (*MeshNodeStub) GetType() conf.NodeType {
-	return PEER
+	return conf.PEER_ROLE
 }
 
 // GetServices implements MeshNode.
@@ -32,8 +35,8 @@ func (*MeshNodeStub) GetServices() map[string]string {
 }
 
 // GetAlias implements MeshNode.
-func (*MeshNodeStub) GetAlias() string {
+func (s *MeshNodeStub) GetAlias() string {
-	return ""
+	return s.alias
 }
 
 func (m *MeshNodeStub) GetHostEndpoint() string {
@@ -56,7 +59,7 @@ func (m *MeshNodeStub) GetTimeStamp() int64 {
 	return m.timeStamp
 }
 
-func (m *MeshNodeStub) GetRoutes() []string {
+func (m *MeshNodeStub) GetRoutes() []Route {
 	return m.routes
 }
 
@@ -81,53 +84,105 @@ type MeshProviderStub struct {
 	snapshot *MeshSnapshotStub
 }
 
+// GetConfiguration implements MeshProvider.
+func (*MeshProviderStub) GetConfiguration() *conf.WgConfiguration {
+	advertiseRoutes := true
+	advertiseDefaultRoute := true
+	ipDiscovery := conf.PUBLIC_IP_DISCOVERY
+	role := conf.PEER_ROLE
+
+	return &conf.WgConfiguration{
+		IPDiscovery:           &ipDiscovery,
+		AdvertiseRoutes:       &advertiseRoutes,
+		AdvertiseDefaultRoute: &advertiseDefaultRoute,
+		Role:                  &role,
+	}
+}
+
+// Mark implements MeshProvider.
+func (*MeshProviderStub) Mark(nodeId string) {
+}
+
+// RemoveNode implements MeshProvider.
+func (*MeshProviderStub) RemoveNode(nodeId string) error {
+	return nil
+}
+
+func (*MeshProviderStub) GetRoutes(targetId string) (map[string]Route, error) {
+	return nil, nil
+}
+
 // GetNodeIds implements MeshProvider.
 func (*MeshProviderStub) GetPeers() []string {
 	return make([]string, 0)
 }
 
 // GetNode implements MeshProvider.
-func (*MeshProviderStub) GetNode(string) (MeshNode, error) {
+func (m *MeshProviderStub) GetNode(nodeId string) (MeshNode, error) {
-	return nil, nil
+	return m.snapshot.nodes[nodeId], nil
 }
 
 // NodeExists implements MeshProvider.
-func (*MeshProviderStub) NodeExists(string) bool {
+func (m *MeshProviderStub) NodeExists(nodeId string) bool {
-	return false
+	return m.snapshot.nodes[nodeId] != nil
 }
 
 // AddService implements MeshProvider.
-func (*MeshProviderStub) AddService(nodeId string, key string, value string) error {
+func (m *MeshProviderStub) AddService(nodeId string, key string, value string) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.services[key] = value
 	return nil
 }
 
 // RemoveService implements MeshProvider.
-func (*MeshProviderStub) RemoveService(nodeId string, key string) error {
+func (m *MeshProviderStub) RemoveService(nodeId string, key string) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	delete(node.services, key)
 	return nil
 }
 
 // SetAlias implements MeshProvider.
-func (*MeshProviderStub) SetAlias(nodeId string, alias string) error {
+func (m *MeshProviderStub) SetAlias(nodeId string, alias string) error {
-	panic("unimplemented")
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.alias = alias
+	return nil
+}
+
+// AddRoutes implements
+func (m *MeshProviderStub) AddRoutes(nodeId string, route ...Route) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.routes = append(node.routes, route...)
+	return nil
 }
 
 // RemoveRoutes implements MeshProvider.
-func (*MeshProviderStub) RemoveRoutes(nodeId string, route ...string) error {
+func (m *MeshProviderStub) RemoveRoutes(nodeId string, route ...Route) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+
+	newRoutes := lib.Filter(node.routes, func(r1 Route) bool {
+		return !lib.Contains(route, func(r2 Route) bool {
+			return RouteEqual(r1, r2)
+		})
+	})
+	node.routes = newRoutes
 	return nil
 }
 
 // Prune implements MeshProvider.
-func (*MeshProviderStub) Prune(pruneAmount int) error {
+func (*MeshProviderStub) Prune() error {
 	return nil
 }
 
 // UpdateTimeStamp implements MeshProvider.
-func (*MeshProviderStub) UpdateTimeStamp(nodeId string) error {
+func (m *MeshProviderStub) UpdateTimeStamp(nodeId string) error {
+	node := (m.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	node.timeStamp = time.Now().Unix()
 	return nil
 }
 
 func (s *MeshProviderStub) AddNode(node MeshNode) {
-	s.snapshot.nodes[node.GetHostEndpoint()] = node
+	pubKey, _ := node.GetPublicKey()
+	s.snapshot.nodes[pubKey.String()] = node
 }
 
 func (s *MeshProviderStub) GetMesh() (MeshSnapshot, error) {
@@ -159,15 +214,13 @@ func (s *MeshProviderStub) HasChanges() bool {
 	return false
 }
 
-func (s *MeshProviderStub) AddRoutes(nodeId string, route ...string) error {
-	return nil
-}
-
 func (s *MeshProviderStub) GetSyncer() MeshSyncer {
 	return nil
 }
 
 func (s *MeshProviderStub) SetDescription(nodeId string, description string) error {
+	meshNode := (s.snapshot.nodes[nodeId]).(*MeshNodeStub)
+	meshNode.description = description
 	return nil
 }
 
@@ -181,7 +234,7 @@ func (s *StubMeshProviderFactory) CreateMesh(params *MeshProviderFactoryParams)
 }
 
 type StubNodeFactory struct {
-	Config *conf.WgMeshConfiguration
+	Config *conf.DaemonConfiguration
 }
 
 func (s *StubNodeFactory) Build(params *MeshNodeFactoryParams) MeshNode {
@@ -190,10 +243,10 @@ func (s *StubNodeFactory) Build(params *MeshNodeFactoryParams) MeshNode {
 	return &MeshNodeStub{
 		hostEndpoint: params.Endpoint,
 		publicKey:    *params.PublicKey,
-		wgEndpoint:   fmt.Sprintf("%s:%s", params.Endpoint, s.Config.GrpcPort),
+		wgEndpoint:   fmt.Sprintf("%s:%d", params.Endpoint, s.Config.GrpcPort),
 		wgHost:       wgHost,
 		timeStamp:    time.Now().Unix(),
-		routes:       make([]string, 0),
+		routes:       make([]Route, 0),
 		identifier:   "abc",
 		description:  "A Mesh Node Stub",
 	}
@@ -216,6 +269,11 @@ type MeshManagerStub struct {
 	meshes map[string]MeshProvider
 }
 
+// GetRouteManager implements MeshManager.
+func (*MeshManagerStub) GetRouteManager() RouteManager {
+	panic("unimplemented")
+}
+
 // GetNode implements MeshManager.
 func (*MeshManagerStub) GetNode(string, string) MeshNode {
 	panic("unimplemented")
@@ -231,11 +289,6 @@ func (*MeshManagerStub) SetService(service string, value string) error {
 	panic("unimplemented")
 }
 
-// GetMonitor implements MeshManager.
-func (*MeshManagerStub) GetMonitor() MeshMonitor {
-	panic("unimplemented")
-}
-
 // SetAlias implements MeshManager.
 func (*MeshManagerStub) SetAlias(alias string) error {
 	panic("unimplemented")
@@ -255,7 +308,7 @@ func NewMeshManagerStub() MeshManager {
 	return &MeshManagerStub{meshes: make(map[string]MeshProvider)}
 }
 
-func (m *MeshManagerStub) CreateMesh(port int) (string, error) {
+func (m *MeshManagerStub) CreateMesh(*CreateMeshParams) (string, error) {
 	return "tim123", nil
 }
 
@@ -278,13 +331,9 @@ func (m *MeshManagerStub) GetMesh(meshId string) MeshProvider {
 		snapshot: &MeshSnapshotStub{nodes: make(map[string]MeshNode)}}
 }
 
-func (m *MeshManagerStub) EnableInterface(meshId string) error {
+func (m *MeshManagerStub) GetPublicKey() *wgtypes.Key {
-	return nil
-}
-
-func (m *MeshManagerStub) GetPublicKey(meshId string) (*wgtypes.Key, error) {
 	key, _ := wgtypes.GenerateKey()
-	return &key, nil
+	return &key
 }
 
 func (m *MeshManagerStub) AddSelf(params *AddSelfParams) error {

pkg/mesh/types.go

@@ -4,18 +4,51 @@ package mesh
 
 import (
 	"net"
+	"slices"
 
 	"github.com/tim-beatham/wgmesh/pkg/conf"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
-const (
+type Route interface {
-	// Data Exchanged Between Peers
+	// GetDestination: returns the destination of the route
-	PEER conf.NodeType = "peer"
+	GetDestination() *net.IPNet
-	// Data Exchanged Between Clients
+	// GetHopCount: get the total hopcount of the prefix
-	CLIENT conf.NodeType = "client"
+	GetHopCount() int
-)
+	// GetPath: get a list of AS paths to get to the destination
+	GetPath() []string
+}
+
+func RouteEqual(r1 Route, r2 Route) bool {
+	return r1.GetDestination().IP.Equal(r2.GetDestination().IP) &&
+		r1.GetHopCount() == r2.GetHopCount() &&
+		slices.Equal(r1.GetPath(), r2.GetPath())
+}
+
+func RouteEquals(r1, r2 Route) bool {
+	return r1.GetDestination().String() == r2.GetDestination().String() &&
+		r1.GetHopCount() == r2.GetHopCount() &&
+		slices.Equal(r1.GetPath(), r2.GetPath())
+}
+
+type RouteStub struct {
+	Destination *net.IPNet
+	HopCount    int
+	Path        []string
+}
+
+func (r *RouteStub) GetDestination() *net.IPNet {
+	return r.Destination
+}
+
+func (r *RouteStub) GetHopCount() int {
+	return r.HopCount
+}
+
+func (r *RouteStub) GetPath() []string {
+	return r.Path
+}
 
 // MeshNode represents an implementation of a node in a mesh
 type MeshNode interface {
@@ -30,7 +63,7 @@ type MeshNode interface {
 	// GetTimestamp: get the UNIX time stamp of the ndoe
 	GetTimeStamp() int64
 	// GetRoutes: returns the routes that the nodes provides
-	GetRoutes() []string
+	GetRoutes() []Route
 	// GetIdentifier: returns the identifier of the node
 	GetIdentifier() string
 	// GetDescription: returns the description for this node
@@ -45,7 +78,15 @@ type MeshNode interface {
 
 // NodeEquals: determines if two mesh nodes are equivalent to one another
 func NodeEquals(node1, node2 MeshNode) bool {
-	return node1.GetHostEndpoint() == node2.GetHostEndpoint()
+	key1, _ := node1.GetPublicKey()
+	key2, _ := node2.GetPublicKey()
+
+	return key1.String() == key2.String()
+}
+
+func NodeID(node MeshNode) string {
+	key, _ := node.GetPublicKey()
+	return key.String()
 }
 
 type MeshSnapshot interface {
@@ -81,9 +122,9 @@ type MeshProvider interface {
 	// UpdateTimeStamp: update the timestamp of the given node
 	UpdateTimeStamp(nodeId string) error
 	// AddRoutes: adds routes to the given node
-	AddRoutes(nodeId string, route ...string) error
+	AddRoutes(nodeId string, route ...Route) error
 	// DeleteRoutes: deletes the routes from the node
-	RemoveRoutes(nodeId string, route ...string) error
+	RemoveRoutes(nodeId string, route ...Route) error
 	// GetSyncer: returns the automerge syncer for sync
 	GetSyncer() MeshSyncer
 	// GetNode get a particular not within the mesh
@@ -98,24 +139,42 @@ type MeshProvider interface {
 	AddService(nodeId, key, value string) error
 	// RemoveService: removes the service form the node. throws an error if the service does not exist
 	RemoveService(nodeId, key string) error
-	// Prune: prunes all nodes that have not updated their timestamp in
+	// Prune: prunes all nodes that have not updated their
-	// pruneAmount seconds
+	// vector clock
-	Prune(pruneAmount int) error
+	Prune() error
+	// GetPeers: get a list of contactable peers
 	GetPeers() []string
+	// GetRoutes(): Get all unique routes. Where the route with the least hop count is chosen
+	GetRoutes(targetNode string) (map[string]Route, error)
+	// RemoveNode(): remove the node from the mesh
+	RemoveNode(nodeId string) error
+	// Mark: marks the node as unreachable. This is not broadcast to the entire
+	// this is not considered when syncing node state
+	Mark(nodeId string)
+	// GetConfiguration: gets the configuration parameters specific for this
+	// mesh network
+	GetConfiguration() *conf.WgConfiguration
 }
 
 // HostParameters contains the IDs of a node
 type HostParameters struct {
-	HostEndpoint string
+	PrivateKey *wgtypes.Key
+}
+
+// GetPublicKey: gets the public key of the node
+func (h *HostParameters) GetPublicKey() string {
+	return h.PrivateKey.PublicKey().String()
 }
 
 // MeshProviderFactoryParams parameters required to build a mesh provider
 type MeshProviderFactoryParams struct {
-	DevName string
+	DevName    string
-	MeshId  string
+	MeshId     string
-	Port    int
+	Port       int
-	Conf    *conf.WgMeshConfiguration
+	Conf       *conf.WgConfiguration
-	Client  *wgctrl.Client
+	DaemonConf *conf.DaemonConfiguration
+	Client     *wgctrl.Client
+	NodeID     string
 }
 
 // MeshProviderFactory creates an instance of a mesh provider
@@ -126,11 +185,11 @@ type MeshProviderFactory interface {
 // MeshNodeFactoryParams are the parameters required to construct
 // a mesh node
 type MeshNodeFactoryParams struct {
-	PublicKey *wgtypes.Key
+	PublicKey  *wgtypes.Key
-	NodeIP    net.IP
+	NodeIP     net.IP
-	WgPort    int
+	WgPort     int
-	Endpoint  string
+	Endpoint   string
-	Role      conf.NodeType
+	MeshConfig *conf.WgConfiguration
 }
 
 // MeshBuilder build the hosts mesh node for it to be added to the mesh

pkg/query/query.go

@@ -3,6 +3,7 @@ package query
 import (
 	"encoding/json"
 	"fmt"
+	"strings"
 
 	"github.com/jmespath/go-jmespath"
 	"github.com/tim-beatham/wgmesh/pkg/conf"
@@ -24,6 +25,12 @@ type QueryError struct {
 	msg string
 }
 
+type QueryRoute struct {
+	Destination string `json:"destination"`
+	HopCount    int    `json:"hopCount"`
+	Path        string `json:"path"`
+}
+
 type QueryNode struct {
 	HostEndpoint string            `json:"hostEndpoint"`
 	PublicKey    string            `json:"publicKey"`
@@ -31,7 +38,7 @@ type QueryNode struct {
 	WgHost       string            `json:"wgHost"`
 	Timestamp    int64             `json:"timestamp"`
 	Description  string            `json:"description"`
-	Routes       []string          `json:"routes"`
+	Routes       []QueryRoute      `json:"routes"`
 	Alias        string            `json:"alias"`
 	Services     map[string]string `json:"services"`
 	Type         conf.NodeType     `json:"type"`
@@ -78,7 +85,13 @@ func MeshNodeToQueryNode(node mesh.MeshNode) *QueryNode {
 	queryNode.WgHost = node.GetWgHost().String()
 
 	queryNode.Timestamp = node.GetTimeStamp()
-	queryNode.Routes = node.GetRoutes()
+	queryNode.Routes = lib.Map(node.GetRoutes(), func(r mesh.Route) QueryRoute {
+		return QueryRoute{
+			Destination: r.GetDestination().String(),
+			HopCount:    r.GetHopCount(),
+			Path:        strings.Join(r.GetPath(), ","),
+		}
+	})
 	queryNode.Description = node.GetDescription()
 	queryNode.Alias = node.GetAlias()
 	queryNode.Services = node.GetServices()

pkg/robin/requester.go

@@ -2,16 +2,15 @@ package robin
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"strconv"
 	"time"
 
+	"github.com/tim-beatham/wgmesh/pkg/conf"
 	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
 	"github.com/tim-beatham/wgmesh/pkg/ipc"
 	"github.com/tim-beatham/wgmesh/pkg/mesh"
-	"github.com/tim-beatham/wgmesh/pkg/query"
 	"github.com/tim-beatham/wgmesh/pkg/rpc"
 )
 
@@ -19,8 +18,39 @@ type IpcHandler struct {
 	Server ctrlserver.CtrlServer
 }
 
+func getOverrideConfiguration(args *ipc.WireGuardArgs) conf.WgConfiguration {
+	overrideConf := conf.WgConfiguration{}
+
+	if args.Role != "" {
+		role := conf.NodeType(args.Role)
+		overrideConf.Role = &role
+	}
+
+	if args.Endpoint != "" {
+		overrideConf.Endpoint = &args.Endpoint
+	}
+
+	if args.KeepAliveWg != 0 {
+		keepAliveWg := args.KeepAliveWg
+		overrideConf.KeepAliveWg = &keepAliveWg
+	}
+
+	overrideConf.AdvertiseRoutes = &args.AdvertiseRoutes
+	overrideConf.AdvertiseDefaultRoute = &args.AdvertiseDefaultRoute
+	return overrideConf
+}
+
 func (n *IpcHandler) CreateMesh(args *ipc.NewMeshArgs, reply *string) error {
-	meshId, err := n.Server.GetMeshManager().CreateMesh(args.WgPort)
+	overrideConf := getOverrideConfiguration(&args.WgArgs)
+
+	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,
+	})
 
 	if err != nil {
 		return err
@@ -28,8 +58,8 @@ func (n *IpcHandler) CreateMesh(args *ipc.NewMeshArgs, reply *string) error {
 
 	err = n.Server.GetMeshManager().AddSelf(&mesh.AddSelfParams{
 		MeshId:   meshId,
-		WgPort:   args.WgPort,
+		WgPort:   args.WgArgs.WgPort,
-		Endpoint: args.Endpoint,
+		Endpoint: args.WgArgs.Endpoint,
 	})
 
 	if err != nil {
@@ -44,7 +74,7 @@ func (n *IpcHandler) ListMeshes(_ string, reply *ipc.ListMeshReply) error {
 	meshNames := make([]string, len(n.Server.GetMeshManager().GetMeshes()))
 
 	i := 0
-	for meshId, _ := range n.Server.GetMeshManager().GetMeshes() {
+	for meshId := range n.Server.GetMeshManager().GetMeshes() {
 		meshNames[i] = meshId
 		i++
 	}
@@ -54,6 +84,8 @@ func (n *IpcHandler) ListMeshes(_ string, reply *ipc.ListMeshReply) error {
 }
 
 func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
+	overrideConf := getOverrideConfiguration(&args.WgArgs)
+
 	peerConnection, err := n.Server.GetConnectionManager().GetConnection(args.IpAdress)
 
 	if err != nil {
@@ -72,7 +104,9 @@ func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
 		return err
 	}
 
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+	configuration := n.Server.GetConfiguration()
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*time.Duration(configuration.Timeout))
 	defer cancel()
 
 	meshReply, err := c.GetMesh(ctx, &rpc.GetMeshRequest{MeshId: args.MeshId})
@@ -83,8 +117,9 @@ func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
 
 	err = n.Server.GetMeshManager().AddMesh(&mesh.AddMeshParams{
 		MeshId:    args.MeshId,
-		WgPort:    args.Port,
+		WgPort:    args.WgArgs.WgPort,
 		MeshBytes: meshReply.Mesh,
+		Conf:      &overrideConf,
 	})
 
 	if err != nil {
@@ -93,8 +128,8 @@ func (n *IpcHandler) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
 
 	err = n.Server.GetMeshManager().AddSelf(&mesh.AddSelfParams{
 		MeshId:   args.MeshId,
-		WgPort:   args.Port,
+		WgPort:   args.WgArgs.WgPort,
-		Endpoint: args.Endpoint,
+		Endpoint: args.WgArgs.Endpoint,
 	})
 
 	if err != nil {
@@ -117,19 +152,19 @@ func (n *IpcHandler) LeaveMesh(meshId string, reply *string) error {
 }
 
 func (n *IpcHandler) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
-	mesh := n.Server.GetMeshManager().GetMesh(meshId)
+	theMesh := n.Server.GetMeshManager().GetMesh(meshId)
 
-	if mesh == nil {
+	if theMesh == nil {
 		return fmt.Errorf("mesh %s does not exist", meshId)
 	}
 
-	meshSnapshot, err := mesh.GetMesh()
+	meshSnapshot, err := theMesh.GetMesh()
 
 	if err != nil {
 		return err
 	}
 
-	if mesh == nil {
+	if theMesh == nil {
 		return errors.New("mesh does not exist")
 	}
 
@@ -137,25 +172,9 @@ func (n *IpcHandler) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
 
 	i := 0
 	for _, node := range meshSnapshot.GetNodes() {
-		pubKey, _ := node.GetPublicKey()
+		node := ctrlserver.NewCtrlNode(theMesh, node)
 
-		if err != nil {
+		nodes[i] = *node
-			return err
-		}
-
-		node := ctrlserver.MeshNode{
-			HostEndpoint: node.GetHostEndpoint(),
-			WgEndpoint:   node.GetWgEndpoint(),
-			PublicKey:    pubKey.String(),
-			WgHost:       node.GetWgHost().String(),
-			Timestamp:    node.GetTimeStamp(),
-			Routes:       node.GetRoutes(),
-			Description:  node.GetDescription(),
-			Alias:        node.GetAlias(),
-			Services:     node.GetServices(),
-		}
-
-		nodes[i] = node
 		i += 1
 	}
 
@@ -163,18 +182,6 @@ func (n *IpcHandler) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
 	return nil
 }
 
-func (n *IpcHandler) EnableInterface(meshId string, reply *string) error {
-	err := n.Server.GetMeshManager().EnableInterface(meshId)
-
-	if err != nil {
-		*reply = err.Error()
-		return err
-	}
-
-	*reply = "up"
-	return nil
-}
-
 func (n *IpcHandler) GetDOT(meshId string, reply *string) error {
 	g := mesh.NewMeshDotConverter(n.Server.GetMeshManager())
 
@@ -243,27 +250,6 @@ func (n *IpcHandler) DeleteService(service string, reply *string) error {
 	return nil
 }
 
-func (n *IpcHandler) GetNode(args ipc.GetNodeArgs, reply *string) error {
-	node := n.Server.GetMeshManager().GetNode(args.MeshId, args.NodeId)
-
-	if node == nil {
-		*reply = "nil"
-		return nil
-	}
-
-	queryNode := query.MeshNodeToQueryNode(node)
-
-	bytes, err := json.Marshal(queryNode)
-
-	if err != nil {
-		*reply = err.Error()
-		return nil
-	}
-
-	*reply = string(bytes)
-	return nil
-}
-
 type RobinIpcParams struct {
 	CtrlServer ctrlserver.CtrlServer
 }

pkg/robin/requester_test.go

@@ -3,6 +3,7 @@ package robin
 import (
 	"testing"
 
+	"github.com/tim-beatham/wgmesh/pkg/conf"
 	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
 	"github.com/tim-beatham/wgmesh/pkg/ipc"
 	"github.com/tim-beatham/wgmesh/pkg/mesh"
@@ -17,9 +18,11 @@ func TestCreateMeshRepliesMeshId(t *testing.T) {
 	requester := getRequester()
 
 	err := requester.CreateMesh(&ipc.NewMeshArgs{
-		IfName:   "wg0",
+		WgArgs: ipc.WireGuardArgs{
-		WgPort:   5000,
+			WgPort:   500,
-		Endpoint: "abc.com",
+			Endpoint: "abc.com:1234",
+			Role:     "peer",
+		},
 	}, &reply)
 
 	if err != nil {
@@ -52,9 +55,8 @@ func TestListMeshesMeshesNotEmpty(t *testing.T) {
 
 	requester.Server.GetMeshManager().AddMesh(&mesh.AddMeshParams{
 		MeshId:    "tim123",
-		DevName:   "wg0",
-		WgPort:    5000,
 		MeshBytes: make([]byte, 0),
+		Conf:      &conf.WgConfiguration{},
 	})
 
 	err := requester.ListMeshes("", &reply)

pkg/robin/responder.go

@@ -28,7 +28,3 @@ func (m *WgRpc) GetMesh(ctx context.Context, request *rpc.GetMeshRequest) (*rpc.
 
 	return &reply, nil
 }
-
-func (m *WgRpc) JoinMesh(ctx context.Context, request *rpc.JoinMeshRequest) (*rpc.JoinMeshReply, error) {
-	return &rpc.JoinMeshReply{Success: true}, nil
-}

pkg/route/route.go

@@ -1,22 +1,32 @@
 package route
 
 import (
-	"net"
+	"github.com/tim-beatham/wgmesh/pkg/lib"
-	"os/exec"
+	"golang.org/x/sys/unix"
-
-	logging "github.com/tim-beatham/wgmesh/pkg/log"
 )
 
 type RouteInstaller interface {
-	InstallRoutes(devName string, routes ...*net.IPNet) error
+	InstallRoutes(devName string, routes ...lib.Route) error
 }
 
 type RouteInstallerImpl struct{}
 
 // InstallRoutes: installs a route into the routing table
-func (r *RouteInstallerImpl) InstallRoutes(devName string, routes ...*net.IPNet) error {
+func (r *RouteInstallerImpl) InstallRoutes(devName string, routes ...lib.Route) error {
+	rtnl, err := lib.NewRtNetlinkConfig()
+
+	if err != nil {
+		return err
+	}
+
+	err = rtnl.DeleteRoutes(devName, unix.AF_INET6, routes...)
+
+	if err != nil {
+		return err
+	}
+
 	for _, route := range routes {
-		err := r.installRoute(devName, route)
+		err := rtnl.AddRoute(devName, route)
 
 		if err != nil {
 			return err
@@ -26,22 +36,6 @@ func (r *RouteInstallerImpl) InstallRoutes(devName string, routes ...*net.IPNet)
 	return nil
 }
 
-// installRoute: installs a route into the linux table
-func (r *RouteInstallerImpl) installRoute(devName string, route *net.IPNet) error {
-	// TODO: Find a library that automates this
-	cmd := exec.Command("/usr/bin/ip", "-6", "route", "add", route.String(), "dev", devName)
-
-	logging.Log.WriteInfof("%s %s", route.String(), devName)
-
-	if msg, err := cmd.CombinedOutput(); err != nil {
-		logging.Log.WriteErrorf(err.Error())
-		logging.Log.WriteErrorf(string(msg))
-		return err
-	}
-
-	return nil
-}
-
 func NewRouteInstaller() RouteInstaller {
 	return &RouteInstallerImpl{}
 }

pkg/rpc/ctrlserver.pb.go

@@ -20,77 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type MeshNode struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	PublicKey  string `protobuf:"bytes,1,opt,name=publicKey,proto3" json:"publicKey,omitempty"`
-	WgEndpoint string `protobuf:"bytes,2,opt,name=wgEndpoint,proto3" json:"wgEndpoint,omitempty"`
-	Endpoint   string `protobuf:"bytes,3,opt,name=endpoint,proto3" json:"endpoint,omitempty"`
-	WgHost     string `protobuf:"bytes,4,opt,name=wgHost,proto3" json:"wgHost,omitempty"`
-}
-
-func (x *MeshNode) Reset() {
-	*x = MeshNode{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *MeshNode) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*MeshNode) ProtoMessage() {}
-
-func (x *MeshNode) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use MeshNode.ProtoReflect.Descriptor instead.
-func (*MeshNode) Descriptor() ([]byte, []int) {
-	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *MeshNode) GetPublicKey() string {
-	if x != nil {
-		return x.PublicKey
-	}
-	return ""
-}
-
-func (x *MeshNode) GetWgEndpoint() string {
-	if x != nil {
-		return x.WgEndpoint
-	}
-	return ""
-}
-
-func (x *MeshNode) GetEndpoint() string {
-	if x != nil {
-		return x.Endpoint
-	}
-	return ""
-}
-
-func (x *MeshNode) GetWgHost() string {
-	if x != nil {
-		return x.WgHost
-	}
-	return ""
-}
-
 type GetMeshRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -102,7 +31,7 @@ type GetMeshRequest struct {
 func (x *GetMeshRequest) Reset() {
 	*x = GetMeshRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[1]
+		mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -115,7 +44,7 @@ func (x *GetMeshRequest) String() string {
 func (*GetMeshRequest) ProtoMessage() {}
 
 func (x *GetMeshRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[1]
+	mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -128,7 +57,7 @@ func (x *GetMeshRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMeshRequest.ProtoReflect.Descriptor instead.
 func (*GetMeshRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP(), []int{1}
+	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *GetMeshRequest) GetMeshId() string {
@@ -149,7 +78,7 @@ type GetMeshReply struct {
 func (x *GetMeshReply) Reset() {
 	*x = GetMeshReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[2]
+		mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -162,7 +91,7 @@ func (x *GetMeshReply) String() string {
 func (*GetMeshReply) ProtoMessage() {}
 
 func (x *GetMeshReply) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[2]
+	mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -175,7 +104,7 @@ func (x *GetMeshReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMeshReply.ProtoReflect.Descriptor instead.
 func (*GetMeshReply) Descriptor() ([]byte, []int) {
-	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP(), []int{2}
+	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *GetMeshReply) GetMesh() []byte {
@@ -185,145 +114,24 @@ func (x *GetMeshReply) GetMesh() []byte {
 	return nil
 }
 
-type JoinMeshRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Changes []byte `protobuf:"bytes,1,opt,name=changes,proto3" json:"changes,omitempty"`
-	MeshId  string `protobuf:"bytes,2,opt,name=meshId,proto3" json:"meshId,omitempty"`
-}
-
-func (x *JoinMeshRequest) Reset() {
-	*x = JoinMeshRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[3]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *JoinMeshRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*JoinMeshRequest) ProtoMessage() {}
-
-func (x *JoinMeshRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[3]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use JoinMeshRequest.ProtoReflect.Descriptor instead.
-func (*JoinMeshRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP(), []int{3}
-}
-
-func (x *JoinMeshRequest) GetChanges() []byte {
-	if x != nil {
-		return x.Changes
-	}
-	return nil
-}
-
-func (x *JoinMeshRequest) GetMeshId() string {
-	if x != nil {
-		return x.MeshId
-	}
-	return ""
-}
-
-type JoinMeshReply struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Success bool `protobuf:"varint,1,opt,name=success,proto3" json:"success,omitempty"`
-}
-
-func (x *JoinMeshReply) Reset() {
-	*x = JoinMeshReply{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[4]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *JoinMeshReply) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*JoinMeshReply) ProtoMessage() {}
-
-func (x *JoinMeshReply) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[4]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use JoinMeshReply.ProtoReflect.Descriptor instead.
-func (*JoinMeshReply) Descriptor() ([]byte, []int) {
-	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP(), []int{4}
-}
-
-func (x *JoinMeshReply) GetSuccess() bool {
-	if x != nil {
-		return x.Success
-	}
-	return false
-}
-
 var File_pkg_grpc_ctrlserver_ctrlserver_proto protoreflect.FileDescriptor
 
 var file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDesc = []byte{
 	0x0a, 0x24, 0x70, 0x6b, 0x67, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x74, 0x72, 0x6c, 0x73,
 	0x65, 0x72, 0x76, 0x65, 0x72, 0x2f, 0x63, 0x74, 0x72, 0x6c, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72,
 	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x08, 0x72, 0x70, 0x63, 0x74, 0x79, 0x70, 0x65, 0x73,
-	0x22, 0x7c, 0x0a, 0x08, 0x4d, 0x65, 0x73, 0x68, 0x4e, 0x6f, 0x64, 0x65, 0x12, 0x1c, 0x0a, 0x09,
+	0x22, 0x28, 0x0a, 0x0e, 0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x71, 0x75, 0x65,
-	0x70, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x4b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x73, 0x74, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x73, 0x68, 0x49, 0x64, 0x18, 0x01, 0x20, 0x01,
-	0x09, 0x70, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x4b, 0x65, 0x79, 0x12, 0x1e, 0x0a, 0x0a, 0x77, 0x67,
+	0x28, 0x09, 0x52, 0x06, 0x6d, 0x65, 0x73, 0x68, 0x49, 0x64, 0x22, 0x22, 0x0a, 0x0c, 0x47, 0x65,
-	0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a,
+	0x74, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x65,
-	0x77, 0x67, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x12, 0x1a, 0x0a, 0x08, 0x65, 0x6e,
+	0x73, 0x68, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x6d, 0x65, 0x73, 0x68, 0x32, 0x4f,
-	0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x65, 0x6e,
+	0x0a, 0x0e, 0x4d, 0x65, 0x73, 0x68, 0x43, 0x74, 0x72, 0x6c, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72,
-	0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x12, 0x16, 0x0a, 0x06, 0x77, 0x67, 0x48, 0x6f, 0x73, 0x74,
+	0x12, 0x3d, 0x0a, 0x07, 0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x12, 0x18, 0x2e, 0x72, 0x70,
-	0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x77, 0x67, 0x48, 0x6f, 0x73, 0x74, 0x22, 0x28,
+	0x63, 0x74, 0x79, 0x70, 0x65, 0x73, 0x2e, 0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65,
-	0x0a, 0x0e, 0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x72, 0x70, 0x63, 0x74, 0x79, 0x70, 0x65, 0x73,
-	0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x73, 0x68, 0x49, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x2e, 0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x42,
-	0x52, 0x06, 0x6d, 0x65, 0x73, 0x68, 0x49, 0x64, 0x22, 0x22, 0x0a, 0x0c, 0x47, 0x65, 0x74, 0x4d,
+	0x09, 0x5a, 0x07, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
-	0x65, 0x73, 0x68, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x65, 0x73, 0x68,
+	0x6f, 0x33,
-	0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x6d, 0x65, 0x73, 0x68, 0x22, 0x43, 0x0a, 0x0f,
-	0x4a, 0x6f, 0x69, 0x6e, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12,
-	0x18, 0x0a, 0x07, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c,
-	0x52, 0x07, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x73, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x73,
-	0x68, 0x49, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6d, 0x65, 0x73, 0x68, 0x49,
-	0x64, 0x22, 0x29, 0x0a, 0x0d, 0x4a, 0x6f, 0x69, 0x6e, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x70,
-	0x6c, 0x79, 0x12, 0x18, 0x0a, 0x07, 0x73, 0x75, 0x63, 0x63, 0x65, 0x73, 0x73, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x08, 0x52, 0x07, 0x73, 0x75, 0x63, 0x63, 0x65, 0x73, 0x73, 0x32, 0x91, 0x01, 0x0a,
-	0x0e, 0x4d, 0x65, 0x73, 0x68, 0x43, 0x74, 0x72, 0x6c, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x12,
-	0x3d, 0x0a, 0x07, 0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x12, 0x18, 0x2e, 0x72, 0x70, 0x63,
-	0x74, 0x79, 0x70, 0x65, 0x73, 0x2e, 0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x71,
-	0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x72, 0x70, 0x63, 0x74, 0x79, 0x70, 0x65, 0x73, 0x2e,
-	0x47, 0x65, 0x74, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x12, 0x40,
-	0x0a, 0x08, 0x4a, 0x6f, 0x69, 0x6e, 0x4d, 0x65, 0x73, 0x68, 0x12, 0x19, 0x2e, 0x72, 0x70, 0x63,
-	0x74, 0x79, 0x70, 0x65, 0x73, 0x2e, 0x4a, 0x6f, 0x69, 0x6e, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65,
-	0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x72, 0x70, 0x63, 0x74, 0x79, 0x70, 0x65, 0x73,
-	0x2e, 0x4a, 0x6f, 0x69, 0x6e, 0x4d, 0x65, 0x73, 0x68, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00,
-	0x42, 0x09, 0x5a, 0x07, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f,
-	0x74, 0x6f, 0x33,
 }
 
 var (
@@ -338,21 +146,16 @@ func file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescGZIP() []byte {
 	return file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDescData
 }
 
-var file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
 var file_pkg_grpc_ctrlserver_ctrlserver_proto_goTypes = []interface{}{
-	(*MeshNode)(nil),        // 0: rpctypes.MeshNode
+	(*GetMeshRequest)(nil), // 0: rpctypes.GetMeshRequest
-	(*GetMeshRequest)(nil),  // 1: rpctypes.GetMeshRequest
+	(*GetMeshReply)(nil),   // 1: rpctypes.GetMeshReply
-	(*GetMeshReply)(nil),    // 2: rpctypes.GetMeshReply
-	(*JoinMeshRequest)(nil), // 3: rpctypes.JoinMeshRequest
-	(*JoinMeshReply)(nil),   // 4: rpctypes.JoinMeshReply
 }
 var file_pkg_grpc_ctrlserver_ctrlserver_proto_depIdxs = []int32{
-	1, // 0: rpctypes.MeshCtrlServer.GetMesh:input_type -> rpctypes.GetMeshRequest
+	0, // 0: rpctypes.MeshCtrlServer.GetMesh:input_type -> rpctypes.GetMeshRequest
-	3, // 1: rpctypes.MeshCtrlServer.JoinMesh:input_type -> rpctypes.JoinMeshRequest
+	1, // 1: rpctypes.MeshCtrlServer.GetMesh:output_type -> rpctypes.GetMeshReply
-	2, // 2: rpctypes.MeshCtrlServer.GetMesh:output_type -> rpctypes.GetMeshReply
+	1, // [1:2] is the sub-list for method output_type
-	4, // 3: rpctypes.MeshCtrlServer.JoinMesh:output_type -> rpctypes.JoinMeshReply
+	0, // [0:1] is the sub-list for method input_type
-	2, // [2:4] is the sub-list for method output_type
-	0, // [0:2] is the sub-list for method input_type
 	0, // [0:0] is the sub-list for extension type_name
 	0, // [0:0] is the sub-list for extension extendee
 	0, // [0:0] is the sub-list for field type_name
@@ -365,18 +168,6 @@ func file_pkg_grpc_ctrlserver_ctrlserver_proto_init() {
 	}
 	if !protoimpl.UnsafeEnabled {
 		file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MeshNode); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetMeshRequest); i {
 			case 0:
 				return &v.state
@@ -388,7 +179,7 @@ func file_pkg_grpc_ctrlserver_ctrlserver_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetMeshReply); i {
 			case 0:
 				return &v.state
@@ -400,30 +191,6 @@ func file_pkg_grpc_ctrlserver_ctrlserver_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*JoinMeshRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_pkg_grpc_ctrlserver_ctrlserver_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*JoinMeshReply); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -431,7 +198,7 @@ func file_pkg_grpc_ctrlserver_ctrlserver_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   5,
+			NumMessages:   2,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

pkg/rpc/ctrlserver_grpc.pb.go

@@ -23,7 +23,6 @@ const _ = grpc.SupportPackageIsVersion7
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type MeshCtrlServerClient interface {
 	GetMesh(ctx context.Context, in *GetMeshRequest, opts ...grpc.CallOption) (*GetMeshReply, error)
-	JoinMesh(ctx context.Context, in *JoinMeshRequest, opts ...grpc.CallOption) (*JoinMeshReply, error)
 }
 
 type meshCtrlServerClient struct {
@@ -43,21 +42,11 @@ func (c *meshCtrlServerClient) GetMesh(ctx context.Context, in *GetMeshRequest,
 	return out, nil
 }
 
-func (c *meshCtrlServerClient) JoinMesh(ctx context.Context, in *JoinMeshRequest, opts ...grpc.CallOption) (*JoinMeshReply, error) {
-	out := new(JoinMeshReply)
-	err := c.cc.Invoke(ctx, "/rpctypes.MeshCtrlServer/JoinMesh", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 // MeshCtrlServerServer is the server API for MeshCtrlServer service.
 // All implementations must embed UnimplementedMeshCtrlServerServer
 // for forward compatibility
 type MeshCtrlServerServer interface {
 	GetMesh(context.Context, *GetMeshRequest) (*GetMeshReply, error)
-	JoinMesh(context.Context, *JoinMeshRequest) (*JoinMeshReply, error)
 	mustEmbedUnimplementedMeshCtrlServerServer()
 }
 
@@ -68,9 +57,6 @@ type UnimplementedMeshCtrlServerServer struct {
 func (UnimplementedMeshCtrlServerServer) GetMesh(context.Context, *GetMeshRequest) (*GetMeshReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetMesh not implemented")
 }
-func (UnimplementedMeshCtrlServerServer) JoinMesh(context.Context, *JoinMeshRequest) (*JoinMeshReply, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method JoinMesh not implemented")
-}
 func (UnimplementedMeshCtrlServerServer) mustEmbedUnimplementedMeshCtrlServerServer() {}
 
 // UnsafeMeshCtrlServerServer may be embedded to opt out of forward compatibility for this service.
@@ -102,24 +88,6 @@ func _MeshCtrlServer_GetMesh_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
 
-func _MeshCtrlServer_JoinMesh_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(JoinMeshRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(MeshCtrlServerServer).JoinMesh(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/rpctypes.MeshCtrlServer/JoinMesh",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(MeshCtrlServerServer).JoinMesh(ctx, req.(*JoinMeshRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 // MeshCtrlServer_ServiceDesc is the grpc.ServiceDesc for MeshCtrlServer service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -131,10 +99,6 @@ var MeshCtrlServer_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetMesh",
 			Handler:    _MeshCtrlServer_GetMesh_Handler,
 		},
-		{
-			MethodName: "JoinMesh",
-			Handler:    _MeshCtrlServer_JoinMesh_Handler,
-		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "pkg/grpc/ctrlserver/ctrlserver.proto",

pkg/sync/syncer.go

@@ -1,8 +1,10 @@
 package sync
 
 import (
+	"errors"
+	"fmt"
+	"io"
 	"math/rand"
-	"sync"
 	"time"
 
 	"github.com/tim-beatham/wgmesh/pkg/conf"
@@ -12,7 +14,7 @@ import (
 	"github.com/tim-beatham/wgmesh/pkg/mesh"
 )
 
-// Syncer: picks random nodes from the mesh
+// Syncer: picks random nodes from the meshs
 type Syncer interface {
 	Sync(meshId string) error
 	SyncMeshes() error
@@ -24,72 +26,152 @@ type SyncerImpl struct {
 	infectionCount int
 	syncCount      int
 	cluster        conn.ConnCluster
-	conf           *conf.WgMeshConfiguration
+	conf           *conf.DaemonConfiguration
+	lastSync       map[string]uint64
 }
 
 // Sync: Sync random nodes
 func (s *SyncerImpl) Sync(meshId string) error {
-	if !s.manager.HasChanges(meshId) && s.infectionCount == 0 {
+	// Self can be nil if the node is removed
+	self, _ := s.manager.GetSelf(meshId)
+
+	correspondingMesh := s.manager.GetMesh(meshId)
+
+	correspondingMesh.Prune()
+
+	if self != nil && self.GetType() == conf.PEER_ROLE && !s.manager.HasChanges(meshId) && s.infectionCount == 0 {
 		logging.Log.WriteInfof("No changes for %s", meshId)
+
+		// If not synchronised in certain pull from random neighbour
+		if uint64(time.Now().Unix())-s.lastSync[meshId] > 20 {
+			return s.Pull(meshId)
+		}
+
 		return nil
 	}
 
-	logging.Log.WriteInfof("UPDATING WG CONF")
+	before := time.Now()
+	s.manager.GetRouteManager().UpdateRoutes()
 
-	if s.manager.HasChanges(meshId) {
+	publicKey := s.manager.GetPublicKey()
-		err := s.manager.ApplyConfig()
 
-		if err != nil {
+	logging.Log.WriteInfof(publicKey.String())
-			logging.Log.WriteInfof("Failed to update config %w", err)
+
+	nodeNames := correspondingMesh.GetPeers()
+
+	if self != nil {
+		nodeNames = lib.Filter(nodeNames, func(s string) bool {
+			return s != mesh.NodeID(self)
+		})
+	}
+
+	var gossipNodes []string
+
+	// Clients always pings its peer for configuration
+	if self != nil && self.GetType() == conf.CLIENT_ROLE {
+		keyFunc := lib.HashString
+		bucketFunc := lib.HashString
+
+		neighbour := lib.ConsistentHash(nodeNames, publicKey.String(), keyFunc, bucketFunc)
+		gossipNodes = make([]string, 1)
+		gossipNodes[0] = neighbour
+	} else {
+		neighbours := s.cluster.GetNeighbours(nodeNames, publicKey.String())
+		gossipNodes = lib.RandomSubsetOfLength(neighbours, s.conf.BranchRate)
+
+		if len(nodeNames) > s.conf.ClusterSize && rand.Float64() < s.conf.InterClusterChance {
+			gossipNodes[len(gossipNodes)-1] = s.cluster.GetInterCluster(nodeNames, publicKey.String())
 		}
 	}
 
-	nodeNames := s.manager.GetMesh(meshId).GetPeers()
+	var succeeded bool = false
 
-	self, err := s.manager.GetSelf(meshId)
+	// Do this synchronously to conserve bandwidth
+	for _, node := range gossipNodes {
+		correspondingPeer := s.manager.GetNode(meshId, node)
 
-	if err != nil {
+		if correspondingPeer == nil {
-		return err
+			logging.Log.WriteErrorf("node %s does not exist", node)
+		}
+
+		err := s.requester.SyncMesh(meshId, correspondingPeer)
+
+		if err == nil || err == io.EOF {
+			succeeded = true
+		} else {
+			// If the synchronisation operation has failed them mark a gravestone
+			// preventing the peer from being re-contacted until it has updated
+			// itself
+			s.manager.GetMesh(meshId).Mark(node)
+		}
 	}
 
-	neighbours := s.cluster.GetNeighbours(nodeNames, self.GetHostEndpoint())
-	randomSubset := lib.RandomSubsetOfLength(neighbours, s.conf.BranchRate)
-
-	for _, node := range randomSubset {
-		logging.Log.WriteInfof("Random node: %s", node)
-	}
-
-	before := time.Now()
-
-	if len(nodeNames) > s.conf.ClusterSize && rand.Float64() < s.conf.InterClusterChance {
-		logging.Log.WriteInfof("Sending to random cluster")
-		interCluster := s.cluster.GetInterCluster(nodeNames, self.GetHostEndpoint())
-		randomSubset = append(randomSubset, interCluster)
-	}
-
-	var waitGroup sync.WaitGroup
-
-	for index := range randomSubset {
-		waitGroup.Add(1)
-
-		go func(i int) error {
-			defer waitGroup.Done()
-			err := s.requester.SyncMesh(meshId, randomSubset[i])
-			return err
-		}(index)
-	}
-
-	waitGroup.Wait()
-
 	s.syncCount++
 	logging.Log.WriteInfof("SYNC TIME: %v", time.Since(before))
 	logging.Log.WriteInfof("SYNC COUNT: %d", s.syncCount)
 
 	s.infectionCount = ((s.conf.InfectionCount + s.infectionCount - 1) % s.conf.InfectionCount)
 
-	// Check if any changes have occurred and trigger callbacks
+	if !succeeded {
-	// if changes have occurred.
+		// If could not gossip with anyone then repeat.
-	// return s.manager.GetMonitor().Trigger()
+		s.infectionCount++
+	}
+
+	s.manager.GetMesh(meshId).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)
+	}
+
+	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 {
+	mesh := s.manager.GetMesh(meshId)
+	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)
+
+	if len(neighbour) == 0 {
+		logging.Log.WriteInfof("no neighbours")
+		return nil
+	}
+
+	logging.Log.WriteInfof("PULLING from node %s", neighbour[0])
+
+	pullNode, err := mesh.GetNode(neighbour[0])
+
+	if err != nil || pullNode == nil {
+		return fmt.Errorf("node %s does not exist in the mesh", neighbour[0])
+	}
+
+	err = s.requester.SyncMesh(meshId, pullNode)
+
+	if err == nil || err == io.EOF {
+		s.lastSync[meshId] = uint64(time.Now().Unix())
+	} else {
+		return err
+	}
+
+	s.syncCount++
 	return nil
 }
 
@@ -99,14 +181,14 @@ func (s *SyncerImpl) SyncMeshes() error {
 		err := s.Sync(meshId)
 
 		if err != nil {
-			return err
+			logging.Log.WriteErrorf(err.Error())
 		}
 	}
 
 	return nil
 }
 
-func NewSyncer(m mesh.MeshManager, conf *conf.WgMeshConfiguration, r SyncRequester) Syncer {
+func NewSyncer(m mesh.MeshManager, conf *conf.DaemonConfiguration, r SyncRequester) Syncer {
 	cluster, _ := conn.NewConnCluster(conf.ClusterSize)
 	return &SyncerImpl{
 		manager:        m,
@@ -114,5 +196,6 @@ func NewSyncer(m mesh.MeshManager, conf *conf.WgMeshConfiguration, r SyncRequest
 		requester:      r,
 		infectionCount: 0,
 		syncCount:      0,
-		cluster:        cluster}
+		cluster:        cluster,
+		lastSync:       make(map[string]uint64)}
 }

pkg/sync/syncererror.go

@@ -17,31 +17,20 @@ type SyncErrorHandlerImpl struct {
 	meshManager mesh.MeshManager
 }
 
-func (s *SyncErrorHandlerImpl) incrementFailedCount(meshId string, endpoint string) bool {
+func (s *SyncErrorHandlerImpl) handleFailed(meshId string, nodeId string) bool {
 	mesh := s.meshManager.GetMesh(meshId)
-
+	mesh.Mark(nodeId)
-	if mesh == nil {
-		return false
-	}
-
-	// self, err := s.meshManager.GetSelf(meshId)
-
-	// if err != nil {
-	// return false
-	// }
-
-	// mesh.DecrementHealth(endpoint, self.GetHostEndpoint())
 	return true
 }
 
-func (s *SyncErrorHandlerImpl) Handle(meshId string, endpoint string, err error) bool {
+func (s *SyncErrorHandlerImpl) Handle(meshId string, nodeId string, err error) bool {
 	errStatus, _ := status.FromError(err)
 
 	logging.Log.WriteInfof("Handled gRPC error: %s", errStatus.Message())
 
 	switch errStatus.Code() {
 	case codes.Unavailable, codes.Unknown, codes.DeadlineExceeded, codes.Internal, codes.NotFound:
-		return s.incrementFailedCount(meshId, endpoint)
+		return s.handleFailed(meshId, nodeId)
 	}
 
 	return false

pkg/sync/syncrequester.go

@@ -15,7 +15,7 @@ import (
 // SyncRequester: coordinates the syncing of meshes
 type SyncRequester interface {
 	GetMesh(meshId string, ifName string, port int, endPoint string) error
-	SyncMesh(meshid string, endPoint string) error
+	SyncMesh(meshid string, meshNode mesh.MeshNode) error
 }
 
 type SyncRequesterImpl struct {
@@ -56,8 +56,8 @@ func (s *SyncRequesterImpl) GetMesh(meshId string, ifName string, port int, endP
 	return err
 }
 
-func (s *SyncRequesterImpl) handleErr(meshId, endpoint string, err error) error {
+func (s *SyncRequesterImpl) handleErr(meshId, pubKey string, err error) error {
-	ok := s.errorHdlr.Handle(meshId, endpoint, err)
+	ok := s.errorHdlr.Handle(meshId, pubKey, err)
 
 	if ok {
 		return nil
@@ -67,7 +67,10 @@ func (s *SyncRequesterImpl) handleErr(meshId, endpoint string, err error) error
 }
 
 // SyncMesh: Proactively send a sync request to the other mesh
-func (s *SyncRequesterImpl) SyncMesh(meshId, endpoint string) error {
+func (s *SyncRequesterImpl) SyncMesh(meshId string, meshNode mesh.MeshNode) error {
+	endpoint := meshNode.GetHostEndpoint()
+	pubKey, _ := meshNode.GetPublicKey()
+
 	peerConnection, err := s.server.ConnectionManager.GetConnection(endpoint)
 
 	if err != nil {
@@ -88,7 +91,7 @@ func (s *SyncRequesterImpl) SyncMesh(meshId, endpoint string) error {
 
 	c := rpc.NewSyncServiceClient(client)
 
-	syncTimeOut := s.server.Conf.SyncRate * float64(time.Second)
+	syncTimeOut := float64(s.server.Conf.SyncRate) * float64(time.Second)
 
 	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(syncTimeOut))
 	defer cancel()
@@ -96,7 +99,7 @@ func (s *SyncRequesterImpl) SyncMesh(meshId, endpoint string) error {
 	err = s.syncMesh(mesh, ctx, c)
 
 	if err != nil {
-		return s.handleErr(meshId, endpoint, err)
+		return s.handleErr(meshId, pubKey.String(), err)
 	}
 
 	logging.Log.WriteInfof("Synced with node: %s meshId: %s\n", endpoint, meshId)

pkg/sync/syncscheduler.go

@@ -8,11 +8,11 @@ import (
 // Run implements SyncScheduler.
 func syncFunction(syncer Syncer) lib.TimerFunc {
 	return func() error {
-		return syncer.SyncMeshes()
+		syncer.SyncMeshes()
+		return nil
 	}
 }
 
-func NewSyncScheduler(s *ctrlserver.MeshCtrlServer, syncRequester SyncRequester) *lib.Timer {
+func NewSyncScheduler(s *ctrlserver.MeshCtrlServer, syncRequester SyncRequester, syncer Syncer) *lib.Timer {
-	syncer := NewSyncer(s.MeshManager, s.Conf, syncRequester)
+	return lib.NewTimer(syncFunction(syncer), s.Conf.SyncRate)
-	return lib.NewTimer(syncFunction(syncer), int(s.Conf.SyncRate))
 }

pkg/timers/timers.go

@@ -1,14 +1,15 @@
-package timestamp
+package timer
 
 import (
 	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
 	"github.com/tim-beatham/wgmesh/pkg/lib"
+	logging "github.com/tim-beatham/wgmesh/pkg/log"
 )
 
 func NewTimestampScheduler(ctrlServer *ctrlserver.MeshCtrlServer) lib.Timer {
 	timerFunc := func() error {
+		logging.Log.WriteInfof("Updated Timestamp")
 		return ctrlServer.MeshManager.UpdateTimeStamp()
 	}
-
 	return *lib.NewTimer(timerFunc, ctrlServer.Conf.KeepAliveTime)
 }

pkg/wg/stubs.go

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

pkg/wg/types.go

@@ -1,5 +1,16 @@
 package wg
 
+import "golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+type WgInterfaceManipulator interface {
+	// CreateInterface creates a WireGuard interface
+	CreateInterface(port int, privateKey *wgtypes.Key) (string, error)
+	// AddAddress adds an address to the given interface name
+	AddAddress(ifName string, addr string) error
+	// RemoveInterface removes the specified interface
+	RemoveInterface(ifName string) error
+}
+
 type WgError struct {
 	msg string
 }
@@ -7,12 +18,3 @@ type WgError struct {
 func (m *WgError) Error() string {
 	return m.msg
 }
-
-type WgInterfaceManipulator interface {
-	// CreateInterface creates a WireGuard interface
-	CreateInterface(port int) (string, error)
-	// AddAddress adds an address to the given interface name
-	AddAddress(ifName string, addr string) error
-	// RemoveInterface removes the specified interface
-	RemoveInterface(ifName string) error
-}

pkg/wg/wg.go

@@ -3,7 +3,6 @@ package wg
 import (
 	"crypto"
 	"crypto/rand"
-	"encoding/base64"
 	"fmt"
 
 	"github.com/tim-beatham/wgmesh/pkg/lib"
@@ -19,7 +18,7 @@ type WgInterfaceManipulatorImpl struct {
 const hashLength = 6
 
 // CreateInterface creates a WireGuard interface
-func (m *WgInterfaceManipulatorImpl) CreateInterface(port int) (string, error) {
+func (m *WgInterfaceManipulatorImpl) CreateInterface(port int, privKey *wgtypes.Key) (string, error) {
 	rtnl, err := lib.NewRtNetlinkConfig()
 
 	if err != nil {
@@ -35,8 +34,7 @@ func (m *WgInterfaceManipulatorImpl) CreateInterface(port int) (string, error) {
 	}
 
 	md5 := crypto.MD5.New().Sum(randomBuf)
-
+	md5Str := fmt.Sprintf("wg%x", md5)[:hashLength]
-	md5Str := fmt.Sprintf("wg%s", base64.StdEncoding.EncodeToString(md5)[:hashLength])
 
 	err = rtnl.CreateLink(md5Str)
 
@@ -44,14 +42,8 @@ func (m *WgInterfaceManipulatorImpl) CreateInterface(port int) (string, error) {
 		return "", fmt.Errorf("failed to create link: %w", err)
 	}
 
-	privateKey, err := wgtypes.GeneratePrivateKey()
-
-	if err != nil {
-		return "", fmt.Errorf("failed to create private key: %w", err)
-	}
-
 	var cfg wgtypes.Config = wgtypes.Config{
-		PrivateKey: &privateKey,
+		PrivateKey: privKey,
 		ListenPort: &port,
 	}