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Remove magic numbers, support mips64le

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This commit is contained in:
Nate Brown
2019-11-22 15:22:31 -08:00
parent e94caa9e58
commit ec63d0d285
3 changed files with 61 additions and 12 deletions
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15
udp_linux.go
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@ -63,25 +63,18 @@ func NewListener(ip string, port int, multi bool) (*udpConn, error) {
if err != nil {
syscall.Close(fd)
return nil, err
return nil, fmt.Errorf("unable to open socket: %s", err)
}
var lip [4]byte
copy(lip[:], net.ParseIP(ip).To4())
if err = syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, 0x0F, 1); err != nil {
return nil, err
if err = syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, unix.SO_REUSEPORT, 1); err != nil {
return nil, fmt.Errorf("unable to set SO_REUSEPORT: %s", err)
}
if err = syscall.Bind(fd, &syscall.SockaddrInet4{Port: port}); err != nil {
return nil, err
}
// SO_REUSEADDR does not load balance so we use PORT
if multi {
if err = syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, unix.SO_REUSEPORT, 1); err != nil {
return nil, err
}
return nil, fmt.Errorf("unable to bind to socket: %s", err)
}
//TODO: this may be useful for forcing threads into specific cores