smegmesh/pkg/ctrlserver/ipc/ipchandler.go
2023-09-19 23:50:44 +01:00

121 lines
2.3 KiB
Go

package ipc
import (
"context"
"errors"
"fmt"
"net"
"net/http"
ipcRpc "net/rpc"
"os"
"strconv"
"time"
"github.com/tim-beatham/wgmesh/pkg/ctrlserver"
"github.com/tim-beatham/wgmesh/pkg/ctrlserver/rpc"
"github.com/tim-beatham/wgmesh/pkg/ipc"
ipctypes "github.com/tim-beatham/wgmesh/pkg/ipc"
"github.com/tim-beatham/wgmesh/pkg/wg"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
const SockAddr = "/tmp/wgmesh_ipc.sock"
type Mesh struct {
Server *ctrlserver.MeshCtrlServer
}
/*
* Create a new WireGuard mesh network
*/
func (n Mesh) CreateNewMesh(name *string, reply *string) error {
wg.CreateInterface("wgmesh")
mesh, err := n.Server.CreateMesh()
if err != nil {
return err
}
*reply = mesh.SharedKey.String()
return nil
}
func (n Mesh) ListMeshes(name *string, reply *map[string]ctrlserver.Mesh) error {
meshes := n.Server.Meshes
*reply = meshes
return nil
}
func (n Mesh) JoinMesh(args *ipctypes.JoinMeshArgs, reply *string) error {
conn, err := grpc.Dial(args.IpAdress+":8080", grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
return err
}
defer conn.Close()
c := rpc.NewMeshCtrlServerClient(conn)
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
dev := n.Server.GetDevice()
joinMeshReq := rpc.JoinMeshRequest{
MeshId: args.MeshId,
HostPort: 8080,
PublicKey: dev.PublicKey.String(),
WgPort: int32(dev.ListenPort),
}
r, err := c.JoinMesh(ctx, &joinMeshReq)
if err != nil {
return err
}
*reply = strconv.FormatBool(r.GetSuccess())
return nil
}
func (n Mesh) GetMesh(meshId string, reply *ipc.GetMeshReply) error {
mesh, contains := n.Server.Meshes[meshId]
if contains {
nodes := make([]ctrlserver.MeshNode, len(mesh.Nodes))
i := 0
for _, n := range mesh.Nodes {
fmt.Println(n.PublicKey)
nodes[i] = n
i += 1
}
*reply = ipc.GetMeshReply{Nodes: nodes}
} else {
}
return nil
}
func RunIpcHandler(server *ctrlserver.MeshCtrlServer) error {
if err := os.RemoveAll(SockAddr); err != nil {
return errors.New("Could not find to address")
}
newMeshIpc := new(Mesh)
newMeshIpc.Server = server
ipcRpc.Register(newMeshIpc)
ipcRpc.HandleHTTP()
l, e := net.Listen("unix", SockAddr)
if e != nil {
return e
}
http.Serve(l, nil)
return nil
}