From 7651fb5586fd4028d4a90a747af896f00795ffdd Mon Sep 17 00:00:00 2001
From: FH0 <32861476+FH0@users.noreply.github.com>
Date: Wed, 18 Mar 2020 19:28:24 +0800
Subject: [PATCH] fix udp broken

---
 app/proxyman/inbound/worker.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/proxyman/inbound/worker.go b/app/proxyman/inbound/worker.go
index 2a2793eb..13ef405f 100644
--- a/app/proxyman/inbound/worker.go
+++ b/app/proxyman/inbound/worker.go
@@ -187,6 +187,15 @@ func (c *udpConn) Write(buf []byte) (int, error) {
 	return n, err
 }
 
+// Implements buf.ActivityNotifiable
+func (c *udpConn) NotifyActivity() error {
+	if c.done.Done() {
+		return newError("connection is already closed")
+	}
+	c.updateActivity()
+	return nil
+}
+
 func (c *udpConn) Close() error {
 	common.Must(c.done.Close())
 	common.Must(common.Close(c.writer))