41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
package main
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import (
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"net"
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"syscall"
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)
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func (proxy *Proxy) udpListenerConfig() (*net.ListenConfig, error) {
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return &net.ListenConfig{
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Control: func(network, address string, c syscall.RawConn) error {
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_ = c.Control(func(fd uintptr) {
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_ = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_FREEBIND, 1)
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_ = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_DF, 0)
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_ = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_TOS, 0x70)
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_ = syscall.SetsockoptInt(
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int(fd),
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syscall.IPPROTO_IP,
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syscall.IP_MTU_DISCOVER,
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syscall.IP_PMTUDISC_DONT,
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)
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_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_RCVBUFFORCE, 4096)
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_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_SNDBUFFORCE, 4096)
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})
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return nil
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},
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}, nil
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}
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func (proxy *Proxy) tcpListenerConfig() (*net.ListenConfig, error) {
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return &net.ListenConfig{
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Control: func(network, address string, c syscall.RawConn) error {
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_ = c.Control(func(fd uintptr) {
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_ = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_FREEBIND, 1)
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_ = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_TOS, 0x70)
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_ = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, syscall.TCP_QUICKACK, 1)
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})
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return nil
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},
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}, nil
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}
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