From b0ae341bfa496f349d418ee5dadee64f2cc1dbe2 Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Sun, 13 Oct 2019 23:51:26 +0800
Subject: [PATCH] Fix: hot recreate socks should ignore when receive same
 address

---
 proxy/listener.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/proxy/listener.go b/proxy/listener.go
index 9e7d0311..79741581 100644
--- a/proxy/listener.go
+++ b/proxy/listener.go
@@ -74,10 +74,15 @@ func ReCreateHTTP(port int) error {
 func ReCreateSocks(port int) error {
 	addr := genAddr(bindAddress, port, allowLan)
 
+	shouldTCPIgnore := false
+	shouldUDPIgnore := false
+
 	if socksListener != nil {
 		if socksListener.Address() != addr {
 			socksListener.Close()
 			socksListener = nil
+		} else {
+			shouldTCPIgnore = true
 		}
 	}
 
@@ -85,9 +90,15 @@ func ReCreateSocks(port int) error {
 		if socksUDPListener.Address() != addr {
 			socksUDPListener.Close()
 			socksUDPListener = nil
+		} else {
+			shouldUDPIgnore = true
 		}
 	}
 
+	if shouldTCPIgnore && shouldUDPIgnore {
+		return nil
+	}
+
 	if portIsZero(addr) {
 		return nil
 	}