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Add SO_REUSEPORT (kernel level load balance) support

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This commit is contained in:
nullptr 2019-10-13 12:12:49 +08:00
parent dc6a253056
commit ed1ade4266
1 changed files with 6 additions and 2 deletions
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8
transport/internet/sockopt_linux.go
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@ -3,6 +3,7 @@ package internet
import (
"net"
"syscall"
"golang.org/x/sys/unix"
)
const (
@ -13,11 +14,14 @@ const (
)
func bindAddr(fd uintptr, ip []byte, port uint32) error {
err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1)
if err != nil {
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1); err != nil {
return newError("failed to set resuse_addr").Base(err).AtWarning()
}
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, unix.SO_REUSEPORT, 1); err != nil {
return newError("failed to set resuse_port").Base(err).AtWarning()
}
var sockaddr syscall.Sockaddr
switch len(ip) {