main - adding WireGuard stats to JSON objects

- Adding WireGuard stats through to IPC calls so that they can be used
by the API

pkg/api/apiserver.go

@@ -65,6 +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,
+		},
 	}
 }
 

pkg/api/types.go

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

pkg/ctrlserver/ctrlserver.go

@@ -89,6 +89,7 @@ func NewCtrlServer(params *NewCtrlServerParams) (*MeshCtrlServer, error) {
 	return ctrlServer, nil
 }
 
+
 func (s *MeshCtrlServer) GetConfiguration() *conf.DaemonConfiguration {
 	return s.Conf
 }

pkg/ctrlserver/ctrltypes.go

@@ -1,8 +1,12 @@
 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"
@@ -14,6 +18,14 @@ type MeshRoute struct {
 	Path        []string
 }
 
+// Represents the WireGuard configuration attached to the node
+type WireGuardStats struct {
+	AllowedIPs                  []string
+	TransmitBytes               int64
+	ReceivedBytes               int64
+	PersistentKeepAliveInterval time.Duration
+}
+
 // Represents a WireGuard MeshNode
 type MeshNode struct {
 	HostEndpoint string
@@ -25,6 +37,7 @@ type MeshNode struct {
 	Description  string
 	Alias        string
 	Services     map[string]string
+	Stats        WireGuardStats
 }
 
 // Represents a WireGuard Mesh
@@ -51,3 +64,53 @@ type MeshCtrlServer struct {
 	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/robin/requester.go

@@ -11,7 +11,6 @@ import (
 	"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/lib"
 	"github.com/tim-beatham/wgmesh/pkg/mesh"
 	"github.com/tim-beatham/wgmesh/pkg/query"
 	"github.com/tim-beatham/wgmesh/pkg/rpc"
@@ -171,30 +170,9 @@ func (n *IpcHandler) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
 
 	i := 0
 	for _, node := range meshSnapshot.GetNodes() {
-		pubKey, _ := node.GetPublicKey()
+		node := ctrlserver.NewCtrlNode(theMesh, node)
 
-		if err != nil {
+		nodes[i] = *node
-			return err
-		}
-
-		node := ctrlserver.MeshNode{
-			HostEndpoint: node.GetHostEndpoint(),
-			WgEndpoint:   node.GetWgEndpoint(),
-			PublicKey:    pubKey.String(),
-			WgHost:       node.GetWgHost().String(),
-			Timestamp:    node.GetTimeStamp(),
-			Routes: lib.Map(node.GetRoutes(), func(r mesh.Route) ctrlserver.MeshRoute {
-				return ctrlserver.MeshRoute{
-					Destination: r.GetDestination().String(),
-					Path:        r.GetPath(),
-				}
-			}),
-			Description: node.GetDescription(),
-			Alias:       node.GetAlias(),
-			Services:    node.GetServices(),
-		}
-
-		nodes[i] = node
 		i += 1
 	}