From f1bd6f41713b136efc65d1bbd97efc3c852aa9cc Mon Sep 17 00:00:00 2001
From: pagefault <p4gefau1t@gmail.com>
Date: Sat, 21 Mar 2020 12:11:47 +0800
Subject: [PATCH] fix windows compilation

---
 proxy/server.go          | 21 +++++++--------------
 proxy/tcp_option.go      | 22 ++++++++++++++++++++++
 proxy/tcp_option_stub.go | 12 ++++++++++++
 3 files changed, 41 insertions(+), 14 deletions(-)
 create mode 100644 proxy/tcp_option.go
 create mode 100644 proxy/tcp_option_stub.go

diff --git a/proxy/server.go b/proxy/server.go
index aa8a19592..2bdf2f195 100644
--- a/proxy/server.go
+++ b/proxy/server.go
@@ -10,7 +10,6 @@ import (
 	"github.com/p4gefau1t/trojan-go/protocol/direct"
 	"github.com/p4gefau1t/trojan-go/protocol/trojan"
 	"github.com/p4gefau1t/trojan-go/stat"
-	"github.com/valyala/tcplisten"
 	"github.com/xtaci/smux"
 )
 
@@ -135,19 +134,13 @@ func (s *Server) Run() error {
 	var listener net.Listener
 	var err error
 	if s.config.TCP.ReusePort || s.config.TCP.FastOpen || s.config.TCP.NoDelay {
-		cfg := tcplisten.Config{
-			ReusePort:   s.config.TCP.ReusePort,
-			FastOpen:    s.config.TCP.FastOpen,
-			DeferAccept: s.config.TCP.NoDelay,
-		}
-		network := "tcp6"
-		if s.config.LocalIP.To4() != nil {
-			network = "tcp4"
-		}
-		listener, err = cfg.NewListener(network, s.config.LocalAddr.String())
-		if err != nil {
-			return err
-		}
+		listener, err = ListenWithTCPOption(
+			s.config.TCP.FastOpen,
+			s.config.TCP.ReusePort,
+			s.config.TCP.NoDelay,
+			s.config.LocalIP,
+			s.config.LocalAddr.String(),
+		)
 	} else {
 		listener, err = net.Listen("tcp", s.config.LocalAddr.String())
 		if err != nil {
diff --git a/proxy/tcp_option.go b/proxy/tcp_option.go
new file mode 100644
index 000000000..e8cb3d731
--- /dev/null
+++ b/proxy/tcp_option.go
@@ -0,0 +1,22 @@
+// +build !windows
+
+package proxy
+
+import (
+	"net"
+
+	"github.com/valyala/tcplisten"
+)
+
+func ListenWithTCPOption(fastOpen, reusePort, noDelay bool, ip net.IP, addr string) (net.Listener, error) {
+	cfg := tcplisten.Config{
+		ReusePort:   reusePort,
+		FastOpen:    fastOpen,
+		DeferAccept: noDelay,
+	}
+	network := "tcp6"
+	if ip.To4() != nil {
+		network = "tcp4"
+	}
+	return cfg.NewListener(network, addr)
+}
diff --git a/proxy/tcp_option_stub.go b/proxy/tcp_option_stub.go
new file mode 100644
index 000000000..fdb48583c
--- /dev/null
+++ b/proxy/tcp_option_stub.go
@@ -0,0 +1,12 @@
+// +build windows
+
+package proxy
+
+import (
+	"net"
+)
+
+func ListenWithTCPOption(fastOpen, reusePort, noDelay bool, ip net.IP, addr string) (net.Listener, error) {
+	panic("os not support tcp option")
+	return nil, nil
+}