import ("log""net""os""time") func main() { connTimeout :=3*time.Second conn, err := net.DialTimeout("tcp","127.0.0.1:8080", connTimeout)//3s timeoutiferr !=nil { log.Println("dial failed:", err) os.Exit(1) } d
funcmain(){// 设置超时配置timeout :=5* time.Second // 自定义Transport,配置连接超时和读写超时transport := &http.Transport{// 设置连接超时DialContext: (&net.Dialer{Timeout: timeout,// 最大连接时间}).DialContext, // TLS handshake超时TLSHandshake...
err := net.DialTimeout("tcp", "example.com:80", 5*time.Second) if err != ...
conn, err := net.DialTimeout("tcp","127.0.0.1:8080", connTimeout)// 3s timeoutiferr !=nil{ log.Println("dial failed:", err) os.Exit(1) }deferconn.Close() readTimeout :=2*time.Second buffer :=make([]byte,512)for{ err = conn.SetReadDeadline(time.Now().Add(readTimeout))/...
Dial: func(network, address string) (net.Conn, error) { separator := strings.LastIndex(address, ":") ip, _ := self.resolver.FetchOneString(address[:separator]) c, err := net.DialTimeout(network, ip+address[separator:], param.dialTimeout) if err != nil { return nil, err } if ...
Dial:func(netw, addr string) (net.Conn, error) { c, err := net.DialTimeout(netw, addr, time.Second*3) //设置建立连接超时 iferr != nil { returnnil, err } c.SetDeadline(time.Now().Add(5* time.Second)) //设置发送接收数据超时 ...
连接建立过程中,服务端是一个标准的Listen + Accept的结构(可参考上面的代码),而在客户端Go语言使用net.Dial()或net.DialTimeout()进行连接建立 阻塞Dial: 超时机制的Dial: Socket套接字读写 连接建立起来后,我们就要在conn上进行读写,以完成业务逻辑。前面说过Go runtime隐藏了I/O多路复用的复杂性。语言使用者...
Count(string(buf), "/net/tcp/") } func main() { fmt.Printf("fd count before: %v\n", fdCount()) var wg sync.WaitGroup for i := 0; i < 100; i++ { wg.Add(1) go func() { defer wg.Done() c, err := net.DialTimeout("tcp", "8.8.8.8:1234", 5*time.Second) if ...
packagemainimport("bufio""io""net""net/http""net/http/httputil")funchandleHttps(whttp.ResponseWriter,r*http.Request){dest_conn,err:=net.DialTimeout("tcp",r.Host,10*time.Second)iferr!=nil{http.Error(w,err.Error(),http.StatusServiceUnavailable)return}w.WriteHeader(http.StatusOK)hijacker,ok...
dest_conn, err := net.DialTimeout("tcp", r.Host, 10*time.Second)if err != nil { http.Error(w, err.Error(), http.StatusServiceUnavailable) return}w.WriteHeader(http.StatusOK)紧接的是由 HTTP 服务器维护的劫持连接的部分：hijacker, ok := w.(http.Hijacker)if !ok { http.Err...