Added sync

cmd/wgmeshd/configuration.yaml

@@ -1,4 +1,7 @@
 certificatePath: "../../cert/cert.pem"
 privateKeyPath: "../../cert/key.pem"
 skipCertVerification: true
-ifName: "wgmesh"
+ifName: "wgmesh"
+wgPort: 51820
+gRPCPort: 8080
+secret: "abc123"

pkg/conf/conf.go

@@ -13,6 +13,8 @@ type WgMeshConfiguration struct {
 	PrivateKeyPath       string `yaml:"privateKeyPath"`
 	SkipCertVerification bool   `yaml:"skipCertVerification"`
 	IfName               string `yaml:"ifName"`
+	WgPort               string `yaml:"wgPort"`
+	GrpcPort             string `yaml:"grpcPort"`
 }
 
 func ParseConfiguration(filePath string) (*WgMeshConfiguration, error) {

pkg/conn/conn_server.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/tim-beatham/wgmesh/pkg/auth"
+	"github.com/tim-beatham/wgmesh/pkg/conf"
 	logging "github.com/tim-beatham/wgmesh/pkg/log"
 	"github.com/tim-beatham/wgmesh/pkg/rpc"
 	"google.golang.org/grpc"
@@ -19,30 +20,29 @@ type ConnectionServer struct {
 	server       *grpc.Server
 	authProvider rpc.AuthenticationServer
 	ctrlProvider rpc.MeshCtrlServerServer
+	Conf         *conf.WgMeshConfiguration
 }
 
 type NewConnectionServerParams struct {
-	CertificatePath      string
-	PrivateKey           string
-	SkipCertVerification bool
-	AuthProvider         rpc.AuthenticationServer
-	CtrlProvider         rpc.MeshCtrlServerServer
+	Conf         *conf.WgMeshConfiguration
+	AuthProvider rpc.AuthenticationServer
+	CtrlProvider rpc.MeshCtrlServerServer
 }
 
 // NewConnectionServer: create a new gRPC connection server instance
 func NewConnectionServer(params *NewConnectionServerParams) (*ConnectionServer, error) {
-	cert, err := tls.LoadX509KeyPair(params.CertificatePath, params.PrivateKey)
+	cert, err := tls.LoadX509KeyPair(params.Conf.CertificatePath, params.Conf.PrivateKeyPath)
 
 	if err != nil {
 		logging.ErrorLog.Printf("Failed to load key pair: %s\n", err.Error())
-		logging.ErrorLog.Printf("Certificate Path: %s\n", params.CertificatePath)
-		logging.ErrorLog.Printf("Private Key Path: %s\n", params.PrivateKey)
+		logging.ErrorLog.Printf("Certificate Path: %s\n", params.Conf.CertificatePath)
+		logging.ErrorLog.Printf("Private Key Path: %s\n", params.Conf.PrivateKeyPath)
 		return nil, err
 	}
 
 	serverAuth := tls.RequireAndVerifyClientCert
 
-	if params.SkipCertVerification {
+	if params.Conf.SkipCertVerification {
 		serverAuth = tls.RequireAnyClientCert
 	}
 
@@ -67,6 +67,7 @@ func NewConnectionServer(params *NewConnectionServerParams) (*ConnectionServer,
 		server,
 		authProvider,
 		ctrlProvider,
+		params.Conf,
 	}
 
 	return &connServer, nil
@@ -76,7 +77,7 @@ func (s *ConnectionServer) Listen() error {
 	rpc.RegisterMeshCtrlServerServer(s.server, s.ctrlProvider)
 	rpc.RegisterAuthenticationServer(s.server, s.authProvider)
 
-	lis, err := net.Listen("tcp", ":8080")
+	lis, err := net.Listen("tcp", s.Conf.GrpcPort)
 
 	if err != nil {
 		logging.ErrorLog.Println(err.Error())

pkg/ctrlserver/ctrlserver.go

@@ -30,6 +30,7 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	ctrlServer := new(MeshCtrlServer)
 	ctrlServer.Client = params.WgClient
 	ctrlServer.MeshManager = manager.NewMeshManager(*params.WgClient)
+	ctrlServer.Conf = params.Conf
 
 	connManagerParams := conn.NewJwtConnectionManagerParams{
 		CertificatePath:      params.Conf.CertificatePath,
@@ -46,11 +47,9 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	ctrlServer.ConnectionManager = connMgr
 
 	connServerParams := conn.NewConnectionServerParams{
-		CertificatePath:      params.Conf.CertificatePath,
-		PrivateKey:           params.Conf.PrivateKeyPath,
-		SkipCertVerification: params.Conf.SkipCertVerification,
-		AuthProvider:         params.AuthProvider,
-		CtrlProvider:         params.CtrlProvider,
+		Conf:         params.Conf,
+		AuthProvider: params.AuthProvider,
+		CtrlProvider: params.CtrlProvider,
 	}
 
 	connServer, err := conn.NewConnectionServer(&connServerParams)

pkg/ctrlserver/ctrltypes.go

@@ -1,6 +1,7 @@
 package ctrlserver
 
 import (
+	"github.com/tim-beatham/wgmesh/pkg/conf"
 	"github.com/tim-beatham/wgmesh/pkg/conn"
 	"github.com/tim-beatham/wgmesh/pkg/manager"
 	"golang.zx2c4.com/wireguard/wgctrl"
@@ -28,7 +29,8 @@ type Mesh struct {
  */
 type MeshCtrlServer struct {
 	Client            *wgctrl.Client
-	MeshManager 	  *manager.MeshManger
+	MeshManager       *manager.MeshManger
 	ConnectionManager conn.ConnectionManager
 	ConnectionServer  *conn.ConnectionServer
+	Conf              *conf.WgMeshConfiguration
 }

pkg/grpc/ctrlserver/authentication.proto

@@ -0,0 +1,18 @@
+syntax = "proto3";
+package rpctypes;
+
+option go_package = "pkg/rpc";
+
+service Authentication {
+    rpc JoinMesh(JoinAuthMeshRequest) returns (JoinAuthMeshReply) {}
+}
+
+message JoinAuthMeshRequest {
+    string meshId = 1;
+    string alias = 2;
+}
+
+message JoinAuthMeshReply {
+    bool success = 1;
+    optional string token = 2;
+}

pkg/grpc/ctrlserver/ctrlserver.proto

@@ -4,27 +4,10 @@ package rpctypes;
 option go_package = "pkg/rpc";
 
 service MeshCtrlServer {
-    rpc GetMesh(GetMeshRequest) returns (GetMeshReply) {}
     rpc JoinMesh(JoinMeshRequest) returns (JoinMeshReply) {}
 }
 
-message MeshNode {
-    string publicKey = 1;
-    string wgEndpoint = 2;
-    string endpoint = 3;
-    string wgHost = 4;
-}
-
-message GetMeshRequest {
-    string meshId = 1;
-}
-
-message GetMeshReply {
-    bytes mesh = 2;
-}
-
 message JoinMeshRequest {
-    bytes changes = 1;
     string meshId = 2;
 }
 

pkg/grpc/ctrlserver/syncservice.proto

@@ -0,0 +1,26 @@
+syntax = "proto3";
+package syncservice;
+
+option go_package = "pkg/rpc";
+
+service SyncService {
+    rpc GetConf(GetConfRequest) returns (GetConfReply) {}
+    rpc SyncMesh(SyncMeshRequest) returns (SyncMeshReply) {}
+}
+
+message GetConfRequest {
+    string meshId = 1;
+}
+
+message GetConfReply {
+    bytes mesh = 1;
+}
+
+message SyncMeshRequest {
+    string meshId = 1;
+    bytes changes = 2;
+}
+
+message SyncMeshReply {
+    bool success = 1;
+}

pkg/robin/robin_requester.go

@@ -3,7 +3,6 @@ package robin
 import (
 	"context"
 	"errors"
-	"fmt"
 	"strconv"
 	"time"
 
@@ -23,7 +22,7 @@ type RobinIpc struct {
 }
 
 func (n *RobinIpc) CreateMesh(name string, reply *string) error {
-	wg.CreateInterface("wgmesh")
+	wg.CreateInterface(n.Server.Conf.IfName)
 
 	meshId, err := n.Server.MeshManager.CreateMesh("wgmesh")
 
@@ -59,7 +58,6 @@ func (n *RobinIpc) ListMeshes(_ string, reply *ipc.ListMeshReply) error {
 	i := 0
 	for _, mesh := range n.Server.MeshManager.Meshes {
 		meshNames[i] = mesh.MeshId
-		fmt.Println(meshNames[i])
 		i++
 	}
 
@@ -157,7 +155,7 @@ func (n *RobinIpc) JoinMesh(args ipc.JoinMeshArgs, reply *string) error {
 		return err
 	}
 
-	err = n.Server.MeshManager.AddMesh(args.MeshId, "wgmesh", meshReply.Mesh)
+	err = n.Server.MeshManager.AddMesh(args.MeshId, n.Server.Conf.IfName, meshReply.Mesh)
 
 	if err != nil {
 		return err
@@ -234,7 +232,6 @@ func (n *RobinIpc) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
 
 func (n *RobinIpc) EnableInterface(meshId string, reply *string) error {
 	err := n.Server.MeshManager.EnableInterface(meshId)
-	fmt.Println("reached")
 
 	if err != nil {
 		*reply = err.Error()

pkg/rpc/ctrlserver.pb.go

@@ -143,7 +143,7 @@ type GetMeshReply struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Mesh []byte `protobuf:"bytes,2,opt,name=mesh,proto3" json:"mesh,omitempty"`
+	Mesh []byte `protobuf:"bytes,1,opt,name=mesh,proto3" json:"mesh,omitempty"`
 }
 
 func (x *GetMeshReply) Reset() {
@@ -305,7 +305,7 @@ var file_pkg_grpc_ctrlserver_ctrlserver_proto_rawDesc = []byte{
 	0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x73, 0x68, 0x49, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
 	0x52, 0x06, 0x6d, 0x65, 0x73, 0x68, 0x49, 0x64, 0x22, 0x22, 0x0a, 0x0c, 0x47, 0x65, 0x74, 0x4d,
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+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x6d, 0x65, 0x73, 0x68, 0x22, 0x43, 0x0a, 0x0f,
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 	0x52, 0x07, 0x63, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x73, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x73,

pkg/rpc/syncservice.pb.go

@@ -0,0 +1,355 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
+// source: pkg/grpc/ctrlserver/syncservice.proto
+
+package rpc
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type GetConfRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MeshId string `protobuf:"bytes,1,opt,name=meshId,proto3" json:"meshId,omitempty"`
+}
+
+func (x *GetConfRequest) Reset() {
+	*x = GetConfRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetConfRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetConfRequest) ProtoMessage() {}
+
+func (x *GetConfRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_grpc_ctrlserver_syncservice_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 GetConfRequest.ProtoReflect.Descriptor instead.
+func (*GetConfRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_grpc_ctrlserver_syncservice_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *GetConfRequest) GetMeshId() string {
+	if x != nil {
+		return x.MeshId
+	}
+	return ""
+}
+
+type GetConfReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Mesh []byte `protobuf:"bytes,1,opt,name=mesh,proto3" json:"mesh,omitempty"`
+}
+
+func (x *GetConfReply) Reset() {
+	*x = GetConfReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetConfReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetConfReply) ProtoMessage() {}
+
+func (x *GetConfReply) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[1]
+	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 GetConfReply.ProtoReflect.Descriptor instead.
+func (*GetConfReply) Descriptor() ([]byte, []int) {
+	return file_pkg_grpc_ctrlserver_syncservice_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *GetConfReply) GetMesh() []byte {
+	if x != nil {
+		return x.Mesh
+	}
+	return nil
+}
+
+type SyncMeshRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MeshId  string `protobuf:"bytes,1,opt,name=meshId,proto3" json:"meshId,omitempty"`
+	Changes []byte `protobuf:"bytes,2,opt,name=changes,proto3" json:"changes,omitempty"`
+}
+
+func (x *SyncMeshRequest) Reset() {
+	*x = SyncMeshRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SyncMeshRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SyncMeshRequest) ProtoMessage() {}
+
+func (x *SyncMeshRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[2]
+	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 SyncMeshRequest.ProtoReflect.Descriptor instead.
+func (*SyncMeshRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_grpc_ctrlserver_syncservice_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *SyncMeshRequest) GetMeshId() string {
+	if x != nil {
+		return x.MeshId
+	}
+	return ""
+}
+
+func (x *SyncMeshRequest) GetChanges() []byte {
+	if x != nil {
+		return x.Changes
+	}
+	return nil
+}
+
+type SyncMeshReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Success bool `protobuf:"varint,1,opt,name=success,proto3" json:"success,omitempty"`
+}
+
+func (x *SyncMeshReply) Reset() {
+	*x = SyncMeshReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SyncMeshReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SyncMeshReply) ProtoMessage() {}
+
+func (x *SyncMeshReply) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_grpc_ctrlserver_syncservice_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 SyncMeshReply.ProtoReflect.Descriptor instead.
+func (*SyncMeshReply) Descriptor() ([]byte, []int) {
+	return file_pkg_grpc_ctrlserver_syncservice_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *SyncMeshReply) GetSuccess() bool {
+	if x != nil {
+		return x.Success
+	}
+	return false
+}
+
+var File_pkg_grpc_ctrlserver_syncservice_proto protoreflect.FileDescriptor
+
+var file_pkg_grpc_ctrlserver_syncservice_proto_rawDesc = []byte{
+	0x0a, 0x25, 0x70, 0x6b, 0x67, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x74, 0x72, 0x6c, 0x73,
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+	0x74, 0x1a, 0x1a, 0x2e, 0x73, 0x79, 0x6e, 0x63, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x2e,
+	0x53, 0x79, 0x6e, 0x63, 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 (
+	file_pkg_grpc_ctrlserver_syncservice_proto_rawDescOnce sync.Once
+	file_pkg_grpc_ctrlserver_syncservice_proto_rawDescData = file_pkg_grpc_ctrlserver_syncservice_proto_rawDesc
+)
+
+func file_pkg_grpc_ctrlserver_syncservice_proto_rawDescGZIP() []byte {
+	file_pkg_grpc_ctrlserver_syncservice_proto_rawDescOnce.Do(func() {
+		file_pkg_grpc_ctrlserver_syncservice_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_grpc_ctrlserver_syncservice_proto_rawDescData)
+	})
+	return file_pkg_grpc_ctrlserver_syncservice_proto_rawDescData
+}
+
+var file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_pkg_grpc_ctrlserver_syncservice_proto_goTypes = []interface{}{
+	(*GetConfRequest)(nil),  // 0: syncservice.GetConfRequest
+	(*GetConfReply)(nil),    // 1: syncservice.GetConfReply
+	(*SyncMeshRequest)(nil), // 2: syncservice.SyncMeshRequest
+	(*SyncMeshReply)(nil),   // 3: syncservice.SyncMeshReply
+}
+var file_pkg_grpc_ctrlserver_syncservice_proto_depIdxs = []int32{
+	0, // 0: syncservice.SyncService.GetConf:input_type -> syncservice.GetConfRequest
+	2, // 1: syncservice.SyncService.SyncMesh:input_type -> syncservice.SyncMeshRequest
+	1, // 2: syncservice.SyncService.GetConf:output_type -> syncservice.GetConfReply
+	3, // 3: syncservice.SyncService.SyncMesh:output_type -> syncservice.SyncMeshReply
+	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
+}
+
+func init() { file_pkg_grpc_ctrlserver_syncservice_proto_init() }
+func file_pkg_grpc_ctrlserver_syncservice_proto_init() {
+	if File_pkg_grpc_ctrlserver_syncservice_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetConfRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetConfReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SyncMeshRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SyncMeshReply); 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{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_pkg_grpc_ctrlserver_syncservice_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_pkg_grpc_ctrlserver_syncservice_proto_goTypes,
+		DependencyIndexes: file_pkg_grpc_ctrlserver_syncservice_proto_depIdxs,
+		MessageInfos:      file_pkg_grpc_ctrlserver_syncservice_proto_msgTypes,
+	}.Build()
+	File_pkg_grpc_ctrlserver_syncservice_proto = out.File
+	file_pkg_grpc_ctrlserver_syncservice_proto_rawDesc = nil
+	file_pkg_grpc_ctrlserver_syncservice_proto_goTypes = nil
+	file_pkg_grpc_ctrlserver_syncservice_proto_depIdxs = nil
+}

pkg/rpc/syncservice_grpc.pb.go

@@ -0,0 +1,141 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: pkg/grpc/ctrlserver/syncservice.proto
+
+package rpc
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// SyncServiceClient is the client API for SyncService service.
+//
+// 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 SyncServiceClient interface {
+	GetConf(ctx context.Context, in *GetConfRequest, opts ...grpc.CallOption) (*GetConfReply, error)
+	SyncMesh(ctx context.Context, in *SyncMeshRequest, opts ...grpc.CallOption) (*SyncMeshReply, error)
+}
+
+type syncServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewSyncServiceClient(cc grpc.ClientConnInterface) SyncServiceClient {
+	return &syncServiceClient{cc}
+}
+
+func (c *syncServiceClient) GetConf(ctx context.Context, in *GetConfRequest, opts ...grpc.CallOption) (*GetConfReply, error) {
+	out := new(GetConfReply)
+	err := c.cc.Invoke(ctx, "/syncservice.SyncService/GetConf", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *syncServiceClient) SyncMesh(ctx context.Context, in *SyncMeshRequest, opts ...grpc.CallOption) (*SyncMeshReply, error) {
+	out := new(SyncMeshReply)
+	err := c.cc.Invoke(ctx, "/syncservice.SyncService/SyncMesh", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// SyncServiceServer is the server API for SyncService service.
+// All implementations must embed UnimplementedSyncServiceServer
+// for forward compatibility
+type SyncServiceServer interface {
+	GetConf(context.Context, *GetConfRequest) (*GetConfReply, error)
+	SyncMesh(context.Context, *SyncMeshRequest) (*SyncMeshReply, error)
+	mustEmbedUnimplementedSyncServiceServer()
+}
+
+// UnimplementedSyncServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedSyncServiceServer struct {
+}
+
+func (UnimplementedSyncServiceServer) GetConf(context.Context, *GetConfRequest) (*GetConfReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetConf not implemented")
+}
+func (UnimplementedSyncServiceServer) SyncMesh(context.Context, *SyncMeshRequest) (*SyncMeshReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SyncMesh not implemented")
+}
+func (UnimplementedSyncServiceServer) mustEmbedUnimplementedSyncServiceServer() {}
+
+// UnsafeSyncServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to SyncServiceServer will
+// result in compilation errors.
+type UnsafeSyncServiceServer interface {
+	mustEmbedUnimplementedSyncServiceServer()
+}
+
+func RegisterSyncServiceServer(s grpc.ServiceRegistrar, srv SyncServiceServer) {
+	s.RegisterService(&SyncService_ServiceDesc, srv)
+}
+
+func _SyncService_GetConf_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetConfRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SyncServiceServer).GetConf(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/syncservice.SyncService/GetConf",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SyncServiceServer).GetConf(ctx, req.(*GetConfRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SyncService_SyncMesh_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SyncMeshRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SyncServiceServer).SyncMesh(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/syncservice.SyncService/SyncMesh",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SyncServiceServer).SyncMesh(ctx, req.(*SyncMeshRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// SyncService_ServiceDesc is the grpc.ServiceDesc for SyncService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var SyncService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "syncservice.SyncService",
+	HandlerType: (*SyncServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetConf",
+			Handler:    _SyncService_GetConf_Handler,
+		},
+		{
+			MethodName: "SyncMesh",
+			Handler:    _SyncService_SyncMesh_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "pkg/grpc/ctrlserver/syncservice.proto",
+}

pkg/sync/syncer.go

@@ -0,0 +1,20 @@
+package sync
+
+// Syncer: picks random nodes from the mesh
+type Syncer interface {
+	Sync(meshId string) error
+	SyncMeshes() error
+}
+
+type SyncerImpl struct {
+}
+
+// Sync: Sync random nodes
+func (s *SyncerImpl) Sync(meshId string) error {
+	return nil
+}
+
+// SyncMeshes:
+func (s *SyncerImpl) SyncMeshes() error {
+	return nil
+}

pkg/sync/syncrequester.go

@@ -0,0 +1,111 @@
+package sync
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/wgmesh/pkg/rpc"
+)
+
+// SyncRequester: coordinates the syncing of meshes
+type SyncRequester interface {
+	GetMesh(meshId string) error
+	SyncMesh(meshid string) error
+}
+
+type SyncRequesterImpl struct {
+	server *ctrlserver.MeshCtrlServer
+}
+
+// GetMesh: Retrieves the local state of the mesh at the endpoint
+func (s *SyncRequesterImpl) GetMesh(meshId string, endPoint string) error {
+	peerConnection, err := s.server.ConnectionManager.GetConnection(endPoint)
+
+	if err != nil {
+		return err
+	}
+
+	err = peerConnection.Connect()
+
+	if err != nil {
+		return err
+	}
+
+	client, err := peerConnection.GetClient()
+
+	if err != nil {
+		return err
+	}
+
+	c := rpc.NewSyncServiceClient(client)
+	authContext, err := peerConnection.CreateAuthContext(meshId)
+
+	if err != nil {
+		return err
+	}
+
+	ctx, cancel := context.WithTimeout(authContext, time.Second)
+	defer cancel()
+
+	reply, err := c.GetConf(ctx, &rpc.GetConfRequest{MeshId: meshId})
+
+	if err != nil {
+		return err
+	}
+
+	err = s.server.MeshManager.AddMesh(meshId, s.server.Conf.IfName, reply.Mesh)
+	return err
+}
+
+// SyncMesh: Proactively send a sync request to the other mesh
+func (s *SyncRequesterImpl) SyncMesh(meshId string, endpoint string) error {
+	peerConnection, err := s.server.ConnectionManager.GetConnection(endpoint)
+
+	if err != nil {
+		return err
+	}
+
+	err = peerConnection.Connect()
+
+	if err != nil {
+		return err
+	}
+
+	client, err := peerConnection.GetClient()
+
+	if err != nil {
+		return err
+	}
+
+	authContext, err := peerConnection.CreateAuthContext(meshId)
+
+	if err != nil {
+		return err
+	}
+
+	mesh := s.server.MeshManager.GetMesh(meshId)
+
+	if mesh == nil {
+		return errors.New("mesh does not exist")
+	}
+
+	syncMeshRequest := rpc.SyncMeshRequest{
+		MeshId:  meshId,
+		Changes: mesh.SaveChanges(),
+	}
+
+	c := rpc.NewSyncServiceClient(client)
+
+	ctx, cancel := context.WithTimeout(authContext, time.Second)
+	defer cancel()
+
+	_, err = c.SyncMesh(ctx, &syncMeshRequest)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

pkg/sync/syncscheduler.go

@@ -0,0 +1,46 @@
+package sync
+
+import (
+	"time"
+
+	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+)
+
+// SyncScheduler: Loops through all nodes in the mesh and runs a schedule to
+// sync each event
+type SyncScheduler interface {
+	Run() error
+	Stop() error
+}
+
+type SyncSchedulerImpl struct {
+	quit   chan struct{}
+	server *ctrlserver.MeshCtrlServer
+}
+
+// Run implements SyncScheduler.
+func (s *SyncSchedulerImpl) Run() error {
+	ticker := time.NewTicker(time.Second)
+
+	quit := make(chan struct{})
+	s.quit = quit
+
+	for {
+		select {
+		case <-ticker.C:
+			break
+		case <-quit:
+			break
+		}
+	}
+}
+
+// Stop implements SyncScheduler.
+func (s *SyncSchedulerImpl) Stop() error {
+	close(s.quit)
+	return nil
+}
+
+func NewSyncScheduler(s *ctrlserver.MeshCtrlServer) SyncScheduler {
+	return &SyncSchedulerImpl{server: s}
+}

pkg/sync/syncservice.go

@@ -0,0 +1,49 @@
+// sync merges shared state between two nodes
+package sync
+
+import (
+	"context"
+	"errors"
+
+	"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
+	"github.com/tim-beatham/wgmesh/pkg/rpc"
+)
+
+type SyncServiceImpl struct {
+	server *ctrlserver.MeshCtrlServer
+}
+
+// GetMesh: Gets a nodes local mesh configuration as a CRDT
+func (s *SyncServiceImpl) GetConf(context context.Context, request *rpc.GetConfRequest) (*rpc.GetConfReply, error) {
+	mesh := s.server.MeshManager.GetMesh(request.MeshId)
+
+	if mesh == nil {
+		return nil, errors.New("mesh does not exist")
+	}
+
+	meshBytes := mesh.Save()
+
+	reply := rpc.GetConfReply{
+		Mesh: meshBytes,
+	}
+
+	return &reply, nil
+}
+
+// Sync: Pings a node and syncs the mesh configuration with the other node
+func (s *SyncServiceImpl) SyncMesh(conext context.Context, request *rpc.SyncMeshRequest) (*rpc.SyncMeshReply, error) {
+	mesh := s.server.MeshManager.GetMesh(request.MeshId)
+
+	if mesh == nil {
+		return nil, errors.New("mesh does not exist")
+	}
+
+	err := s.server.MeshManager.UpdateMesh(request.MeshId, request.Changes)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &rpc.SyncMeshReply{Success: true}, nil
+}
+