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40 lines
965 B
Go
40 lines
965 B
Go
//go:build !(windows && darwin)
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package netforward
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import (
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"net"
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"syscall"
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)
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func SetTcpInfo(conn *net.TCPConn, usingKeepAlive bool, keepAliveIdel, keepAlivePeriod, keepAliveCount, userTimeout int) error {
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rawConn, err := conn.SyscallConn()
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if err != nil {
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return err
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}
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if usingKeepAlive {
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err = rawConn.Control(func(fd uintptr) {
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err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, keepAliveIdel)
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if err != nil {
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return
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}
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err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, keepAlivePeriod)
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if err != nil {
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return
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}
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err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, syscall.TCP_KEEPCNT, keepAliveCount)
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if err != nil {
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return
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}
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})
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} else {
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err = conn.SetKeepAlive(false)
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}
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if userTimeout > 0 {
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err = rawConn.Control(func(fd uintptr) {
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err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, 0x12, userTimeout)
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})
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}
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return err
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}
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