mirror of
https://github.com/cwinfo/matterbridge.git
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82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
// Copyright 2015 The Gorilla WebSocket Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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package main
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import (
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"flag"
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"log"
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"net/url"
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"os"
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"os/signal"
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"time"
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"github.com/gorilla/websocket"
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)
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var addr = flag.String("addr", "localhost:8080", "http service address")
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func main() {
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flag.Parse()
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log.SetFlags(0)
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interrupt := make(chan os.Signal, 1)
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signal.Notify(interrupt, os.Interrupt)
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u := url.URL{Scheme: "ws", Host: *addr, Path: "/echo"}
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log.Printf("connecting to %s", u.String())
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c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
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if err != nil {
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log.Fatal("dial:", err)
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}
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defer c.Close()
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done := make(chan struct{})
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go func() {
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defer c.Close()
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defer close(done)
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for {
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_, message, err := c.ReadMessage()
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if err != nil {
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log.Println("read:", err)
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return
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}
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log.Printf("recv: %s", message)
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}
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}()
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ticker := time.NewTicker(time.Second)
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defer ticker.Stop()
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for {
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select {
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case t := <-ticker.C:
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err := c.WriteMessage(websocket.TextMessage, []byte(t.String()))
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if err != nil {
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log.Println("write:", err)
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return
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}
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case <-interrupt:
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log.Println("interrupt")
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// To cleanly close a connection, a client should send a close
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// frame and wait for the server to close the connection.
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err := c.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
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if err != nil {
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log.Println("write close:", err)
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return
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}
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select {
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case <-done:
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case <-time.After(time.Second):
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}
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c.Close()
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return
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}
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}
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}
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