From fc1e6e8ff2a6525073103f848e944d6e6f281c4f Mon Sep 17 00:00:00 2001
From: ginuerzh <ginuerzh@gmail.com>
Date: Thu, 31 Mar 2022 21:06:33 +0800
Subject: [PATCH] decrease copy buffer

---
 common/bufpool/pool.go            | 9 +++++++++
 common/net/dialer/dialer.go       | 2 +-
 common/net/dialer/dialer_linux.go | 2 --
 common/net/transport.go           | 2 +-
 4 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/common/bufpool/pool.go b/common/bufpool/pool.go
index 5af2c87..31447c4 100644
--- a/common/bufpool/pool.go
+++ b/common/bufpool/pool.go
@@ -34,6 +34,15 @@ var (
 				},
 			},
 		},
+		{
+			size: 2048,
+			pool: sync.Pool{
+				New: func() any {
+					b := make([]byte, 2048)
+					return &b
+				},
+			},
+		},
 		{
 			size: 4096,
 			pool: sync.Pool{
diff --git a/common/net/dialer/dialer.go b/common/net/dialer/dialer.go
index c4db350..f9ea819 100644
--- a/common/net/dialer/dialer.go
+++ b/common/net/dialer/dialer.go
@@ -46,7 +46,7 @@ func (d *NetDialer) Dial(ctx context.Context, network, addr string) (net.Conn, e
 	if d.DialFunc != nil {
 		return d.DialFunc(ctx, network, addr)
 	}
-	log.Infof("interface: %s %v/%s", ifceName, ifAddr, network)
+	log.Debugf("interface: %s %v/%s", ifceName, ifAddr, network)
 
 	switch network {
 	case "udp", "udp4", "udp6":
diff --git a/common/net/dialer/dialer_linux.go b/common/net/dialer/dialer_linux.go
index 7cb1cde..730af75 100644
--- a/common/net/dialer/dialer_linux.go
+++ b/common/net/dialer/dialer_linux.go
@@ -5,8 +5,6 @@ import (
 )
 
 func bindDevice(fd uintptr, ifceName string) error {
-	// unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEADDR, 1)
-	// unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1)
 	if ifceName == "" {
 		return nil
 	}
diff --git a/common/net/transport.go b/common/net/transport.go
index fc58e2c..93674af 100644
--- a/common/net/transport.go
+++ b/common/net/transport.go
@@ -26,7 +26,7 @@ func Transport(rw1, rw2 io.ReadWriter) error {
 }
 
 func copyBuffer(dst io.Writer, src io.Reader) error {
-	buf := bufpool.Get(16 * 1024)
+	buf := bufpool.Get(4 * 1024)
 	defer bufpool.Put(buf)
 
 	_, err := io.CopyBuffer(dst, src, *buf)