Fixed terminal output (support escape and control characters)

[src/xds/xds-cli.git] / iosocket-client.go

diff --git a/iosocket-client.go b/iosocket-client.go
new file mode 100644 (file)
index 0000000..9115b10
--- /dev/null
+++ b/iosocket-client.go
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author Sebastien Douheret <sebastien@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package main
+
+import (
+       "fmt"
+       "sync"
+
+       socketio_client "github.com/sebd71/go-socket.io-client"
+)
+
+// IOSockClient .
+type IOSockClient struct {
+       URL        string
+       Conn       *socketio_client.Client
+       Options    *socketio_client.Options
+       EmitMutex  *sync.Mutex
+       Connected  bool
+       EscapeKeys []byte
+}
+
+// NewIoSocketClient Create a new IOSockClient
+func NewIoSocketClient(url, clientID string) (*IOSockClient, error) {
+
+       var err error
+
+       sCli := &IOSockClient{
+               URL:       url,
+               EmitMutex: &sync.Mutex{},
+               Options: &socketio_client.Options{
+                       Transport: "websocket",
+                       Header:    make(map[string][]string),
+               },
+       }
+       sCli.Options.Header["XDS-AGENT-SID"] = []string{clientID}
+
+       sCli.Conn, err = socketio_client.NewClient(url, sCli.Options)
+       if err != nil {
+               return nil, fmt.Errorf("IO.socket connection error: " + err.Error())
+       }
+
+       sCli.Conn.On("connection", func() {
+               sCli.Connected = true
+       })
+
+       sCli.Conn.On("disconnection", func(err error) {
+               Log.Debugf("WS disconnection event with err: %v\n", err)
+               sCli.Connected = false
+       })
+
+       return sCli, nil
+}
+
+// On record a callback on a specific message
+func (c *IOSockClient) On(message string, f interface{}) (err error) {
+       return c.Conn.On(message, f)
+}
+
+// Emit send a message
+func (c *IOSockClient) Emit(message string, args ...interface{}) (err error) {
+       c.EmitMutex.Lock()
+       defer c.EmitMutex.Unlock()
+       return c.Conn.Emit(message, args...)
+}