62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package main
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import (
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"github.com/gorilla/websocket"
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)
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var upgrader = websocket.Upgrader{
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ReadBufferSize: 1024,
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WriteBufferSize: 1024,
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CheckOrigin: func(r *http.Request) bool {
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return true // 生产环境应校验来源域名
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},
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}
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func wsHandler(w http.ResponseWriter, r *http.Request) {
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conn, err := upgrader.Upgrade(w, r, nil) // 升级HTTP为WebSocket
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if err != nil {
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log.Println("升级失败:", err)
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return
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}
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defer conn.Close()
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for {
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messageType, p, err := conn.ReadMessage() // 接收消息
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if err != nil {
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log.Println("读取失败:", err)
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break
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}
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log.Printf("收到: %s", p)
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// 处理消息（示例：原样返回）
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if err := conn.WriteMessage(messageType, p); err != nil {
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log.Println("写入失败:", err)
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break
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}
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}
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}
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func main() {
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http.HandleFunc("/ws", wsHandler)
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log.Fatal(http.ListenAndServe(":8080", nil))
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}
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// 处理关闭信号的函数
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func handleShutdownSignals() {
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sigChan := make(chan os.Signal, 1)
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signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
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// 阻塞等待信号
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sig := <-sigChan
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log.Printf("接收到信号: %v, 关闭所有浏览器...", sig)
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// 强制退出程序
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os.Exit(0)
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}
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