118 lines
1.9 KiB
Go
118 lines
1.9 KiB
Go
// Copyright 2016 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
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// Use of this source code is governed by a MIT license that can
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// be found in the LICENSE file.
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package debug
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import (
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"fmt"
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"net/http"
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"golang.org/x/net/websocket"
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)
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type Server struct {
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Port string
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Addr string
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Path string
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Msg chan string
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chs []chan string
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}
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type Client struct {
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Port string
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Addr string
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Path string
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ws *websocket.Conn
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}
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var defaultPort = ":8080"
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func NewServer() *Server {
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return &Server{
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Port: defaultPort,
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Addr: "localhost",
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Path: "/echo",
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Msg: make(chan string),
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chs: make([]chan string, 0),
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}
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}
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func NewClient() Client {
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return Client{
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Port: defaultPort,
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Addr: "localhost",
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Path: "/echo",
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}
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}
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func (c Client) ConnectAndListen() error {
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ws, err := websocket.Dial("ws://"+c.Addr+c.Port+c.Path, "", "http://"+c.Addr)
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if err != nil {
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return err
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}
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defer ws.Close()
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var m string
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for {
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err := websocket.Message.Receive(ws, &m)
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if err != nil {
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fmt.Print(err)
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return err
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}
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fmt.Print(m)
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}
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}
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func (s *Server) ListenAndServe() error {
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http.Handle(s.Path, websocket.Handler(func(ws *websocket.Conn) {
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defer ws.Close()
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mc := make(chan string)
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s.chs = append(s.chs, mc)
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for m := range mc {
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websocket.Message.Send(ws, m)
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}
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}))
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go func() {
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for msg := range s.Msg {
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for _, c := range s.chs {
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go func(a chan string) {
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a <- msg
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}(c)
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}
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}
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}()
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return http.ListenAndServe(s.Port, nil)
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}
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func (s *Server) Log(msg string) {
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go func() { s.Msg <- msg }()
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}
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func (s *Server) Logf(format string, a ...interface{}) {
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s.Log(fmt.Sprintf(format, a...))
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}
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var DefaultServer = NewServer()
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var DefaultClient = NewClient()
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func ListenAndServe() error {
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return DefaultServer.ListenAndServe()
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}
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func ConnectAndListen() error {
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return DefaultClient.ConnectAndListen()
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}
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func Log(msg string) {
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DefaultServer.Log(msg)
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}
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func Logf(format string, a ...interface{}) {
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DefaultServer.Logf(format, a...)
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}
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