func startIpc(cfg IpcConfig, codec codec.Codec, api shared.EthereumApi) error { os.Remove(cfg.Endpoint) // in case it still exists from a previous run l, err := Listen(cfg.Endpoint) if err != nil { return err } os.Chmod(cfg.Endpoint, 0600) go func() { for { conn, err := l.Accept() if err != nil { glog.V(logger.Error).Infof("Error accepting ipc connection - %v\n", err) continue } go func(conn net.Conn) { codec := codec.New(conn) for { req, err := codec.ReadRequest() if err == io.EOF { codec.Close() return } else if err != nil { glog.V(logger.Error).Infof("IPC recv err - %v\n", err) codec.Close() return } var rpcResponse interface{} res, err := api.Execute(req) rpcResponse = shared.NewRpcResponse(req.Id, req.Jsonrpc, res, err) err = codec.WriteResponse(rpcResponse) if err != nil { glog.V(logger.Error).Infof("IPC send err - %v\n", err) codec.Close() return } } }(conn) } }() glog.V(logger.Info).Infof("IPC service started (%s)\n", cfg.Endpoint) return nil }