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add so_mark sockopt support (#1331)
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jampe 2025-03-12 15:35:33 +01:00 • committed by GitHub
parent 2fb018ced8
commit 1d3c85338c
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2 changed files with 29 additions and 0 deletions
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24
udp/udp_linux.go
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@ -84,6 +84,10 @@ func (u *StdConn) SetSendBuffer(n int) error {
return unix.SetsockoptInt(u.sysFd, unix.SOL_SOCKET, unix.SO_SNDBUFFORCE, n)
}
func (u *StdConn) SetSoMark(mark int) error {
return unix.SetsockoptInt(u.sysFd, unix.SOL_SOCKET, unix.SO_MARK, mark)
}
func (u *StdConn) GetRecvBuffer() (int, error) {
return unix.GetsockoptInt(int(u.sysFd), unix.SOL_SOCKET, unix.SO_RCVBUF)
}
@ -92,6 +96,10 @@ func (u *StdConn) GetSendBuffer() (int, error) {
return unix.GetsockoptInt(int(u.sysFd), unix.SOL_SOCKET, unix.SO_SNDBUF)
}
func (u *StdConn) GetSoMark() (int, error) {
return unix.GetsockoptInt(int(u.sysFd), unix.SOL_SOCKET, unix.SO_MARK)
}
func (u *StdConn) LocalAddr() (netip.AddrPort, error) {
sa, err := unix.Getsockname(u.sysFd)
if err != nil {
@ -270,6 +278,22 @@ func (u *StdConn) ReloadConfig(c *config.C) {
u.l.WithError(err).Error("Failed to set listen.write_buffer")
}
}
b = c.GetInt("listen.so_mark", 0)
s, err := u.GetSoMark()
if b > 0 || (err == nil && s != 0) {
err := u.SetSoMark(b)
if err == nil {
s, err := u.GetSoMark()
if err == nil {
u.l.WithField("mark", s).Info("listen.so_mark was set")
} else {
u.l.WithError(err).Warn("Failed to get listen.so_mark")
}
} else {
u.l.WithError(err).Error("Failed to set listen.so_mark")
}
}
}
func (u *StdConn) getMemInfo(meminfo *[unix.SK_MEMINFO_VARS]uint32) error {