v1.0.0

transport/internet/sockopt_darwin.go

@@ -0,0 +1,60 @@
+package internet
+
+import (
+	"syscall"
+)
+
+const (
+	// TCP_FASTOPEN is the socket option on darwin for TCP fast open.
+	TCP_FASTOPEN = 0x105
+	// TCP_FASTOPEN_SERVER is the value to enable TCP fast open on darwin for server connections.
+	TCP_FASTOPEN_SERVER = 0x01
+	// TCP_FASTOPEN_CLIENT is the value to enable TCP fast open on darwin for client connections.
+	TCP_FASTOPEN_CLIENT = 0x02
+)
+
+func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
+	if isTCPSocket(network) {
+		switch config.Tfo {
+		case SocketConfig_Enable:
+			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, TCP_FASTOPEN_CLIENT); err != nil {
+				return err
+			}
+		case SocketConfig_Disable:
+			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
+	if isTCPSocket(network) {
+		switch config.Tfo {
+		case SocketConfig_Enable:
+			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, TCP_FASTOPEN_SERVER); err != nil {
+				return err
+			}
+		case SocketConfig_Disable:
+			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+func bindAddr(fd uintptr, address []byte, port uint32) error {
+	return nil
+}
+
+func setReuseAddr(fd uintptr) error {
+	return nil
+}
+
+func setReusePort(fd uintptr) error {
+	return nil
+}