Files
tun2socks/proxy/util.go
2022-01-31 18:32:11 +08:00

26 lines
437 B
Go

package proxy
import (
"net"
"time"
)
const (
tcpKeepAlivePeriod = 30 * time.Second
)
// setKeepAlive sets tcp keepalive option for tcp connection.
func setKeepAlive(c net.Conn) {
if tcp, ok := c.(*net.TCPConn); ok {
tcp.SetKeepAlive(true)
tcp.SetKeepAlivePeriod(tcpKeepAlivePeriod)
}
}
// safeConnClose closes tcp connection safely.
func safeConnClose(c net.Conn, err error) {
if c != nil && err != nil {
c.Close()
}
}