fix #58

fix #80

Signed-off-by: arraykeys@gmail.com <arraykeys@gmail.com>

.gitignore

@@ -3,6 +3,7 @@ goproxy
 *.exe
 *.exe~
 .*
+*.prof
 !.gitignore
 release-*
 proxy.crt

CHANGELOG

@@ -10,6 +10,9 @@ v4.8
 5.优化了sps日志输出.
 6.--debug参数增加了Profiling功能,可以保存cpu,内存等多种调试数据到文件.
 7.优化了服务注册,避免了不必要的内存开销.
+8.增加了Dockerfile和docker安装手册.
+9.优化了ioCopy避免了内存泄漏,大大提升了内存占用的稳定性.
+
 
 
 v4.7

utils/functions.go

@@ -76,7 +76,8 @@ func IoBind(dst io.ReadWriteCloser, src io.ReadWriteCloser, fn func(err interfac
 	}()
 }
 func ioCopy(dst io.ReadWriter, src io.ReadWriter) (err error) {
-	buf := make([]byte, 32*1024)
+	buf := LeakyBuffer.Get()
+	defer LeakyBuffer.Put(buf)
 	n := 0
 	for {
 		n, err = src.Read(buf)

utils/leakybuf.go

@@ -1,15 +1,15 @@
 // Provides leaky buffer, based on the example in Effective Go.
-package ss
+package utils
 
 type LeakyBuf struct {
 	bufSize  int // size of each buffer
 	freeList chan []byte
 }
 
-const leakyBufSize = 4108 // data.len(2) + hmacsha1(10) + data(4096)
+const LeakyBufSize = 2048 // data.len(2) + hmacsha1(10) + data(4096)
 const maxNBuf = 2048
 
-var leakyBuf = NewLeakyBuf(maxNBuf, leakyBufSize)
+var LeakyBuffer = NewLeakyBuf(maxNBuf, LeakyBufSize)
 
 // NewLeakyBuf creates a leaky buffer which can hold at most n buffer, each
 // with bufSize bytes.

utils/ss/util.go

@@ -10,8 +10,15 @@ import (
 	"net"
 	"os"
 	"strconv"
+
+	"github.com/snail007/goproxy/utils"
 )
 
+const leakyBufSize = 4108 // data.len(2) + hmacsha1(10) + data(4096)
+const maxNBuf = 2048
+
+var leakyBuf = utils.NewLeakyBuf(maxNBuf, leakyBufSize)
+
 func IsFileExists(path string) (bool, error) {
 	stat, err := os.Stat(path)
 	if err == nil {