github.com/kelleygo/clashcore@v1.0.2/common/net/relay.go (about)

     1  package net
     2  
     3  //import (
     4  //	"io"
     5  //	"net"
     6  //	"time"
     7  //)
     8  //
     9  //// Relay copies between left and right bidirectionally.
    10  //func Relay(leftConn, rightConn net.Conn) {
    11  //	ch := make(chan error)
    12  //
    13  //	go func() {
    14  //		// Wrapping to avoid using *net.TCPConn.(ReadFrom)
    15  //		// See also https://github.com/kelleygo/clashcore/pull/1209
    16  //		_, err := io.Copy(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn})
    17  //		leftConn.SetReadDeadline(time.Now())
    18  //		ch <- err
    19  //	}()
    20  //
    21  //	_, _ = io.Copy(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn})
    22  //	rightConn.SetReadDeadline(time.Now())
    23  //	<-ch
    24  //}