Fix the problem of OMM Killer triggered by too many UDP connections

silenaker · silenaker · commit 6fe2b45e99d1 · 2023-06-28T16:02:36.000+08:00
diff --git a/common/uot/server.go b/common/uot/server.go
@@ -4,6 +4,7 @@ import (
 	"encoding/binary"
 	"io"
 	"net"
+	"time"
 
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/buf"
@@ -89,6 +90,7 @@ func (c *ServerConn) loopInput() {
 		if err != nil {
 			break
 		}
+		c.SetDeadline(time.Now().Add(2 * time.Minute))
 	}
 	c.Close()
 }
@@ -105,6 +107,7 @@ func (c *ServerConn) loopOutput() {
 		if err != nil {
 			break
 		}
+		c.SetDeadline(time.Now().Add(2 * time.Minute))
 		if !c.isConnect {
 			err = AddrParser.WriteAddrPort(c.outputWriter, M.SocksaddrFromNet(addr))
 			if err != nil {

Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,7 @@ import (`
`4`	`4`	`"encoding/binary"`
`5`	`5`	`"io"`
`6`	`6`	`"net"`
	`7`	`+ "time"`
`7`	`8`
`8`	`9`	`"github.com/sagernet/sing/common"`
`9`	`10`	`"github.com/sagernet/sing/common/buf"`
`@@ -89,6 +90,7 @@ func (c *ServerConn) loopInput() {`
`89`	`90`	`if err != nil {`
`90`	`91`	`break`
`91`	`92`	`}`
	`93`	`+ c.SetDeadline(time.Now().Add(2 * time.Minute))`
`92`	`94`	`}`
`93`	`95`	`c.Close()`
`94`	`96`	`}`
`@@ -105,6 +107,7 @@ func (c *ServerConn) loopOutput() {`
`105`	`107`	`if err != nil {`
`106`	`108`	`break`
`107`	`109`	`}`
	`110`	`+ c.SetDeadline(time.Now().Add(2 * time.Minute))`
`108`	`111`	`if !c.isConnect {`
`109`	`112`	`err = AddrParser.WriteAddrPort(c.outputWriter, M.SocksaddrFromNet(addr))`
`110`	`113`	`if err != nil {`