add

cmd/main.go

@@ -48,8 +48,8 @@ Usage:
     -tcp_rst  tcp的超时发送时间，默认400ms
               Tcp timeout resend time, default 400ms
 
-	-tcp_gz   tcp数据开启压缩，默认0
-              Whether the tcp data is compressed or not, the default is 0.
+	-tcp_gz   当数据包超过这个大小，tcp将压缩数据，0表示不压缩，默认0
+              Tcp will compress data when the packet exceeds this size, 0 means no compression, default 0
 `
 
 func main() {

framemgr.go

@@ -98,7 +98,7 @@ func (fm *FrameMgr) cutSendBufferToWindow() {
 			Data: make([]byte, FRAME_MAX_SIZE)}
 		fm.sendb.Read(fd.Data)
 
-		if fm.compress > 0 {
+		if fm.compress > 0 && len(fd.Data) > fm.compress {
 			newb := fm.compressData(fd.Data)
 			if len(newb) < len(fd.Data) {
 				fd.Data = newb
@@ -124,7 +124,7 @@ func (fm *FrameMgr) cutSendBufferToWindow() {
 			Data: make([]byte, fm.sendb.Size())}
 		fm.sendb.Read(fd.Data)
 
-		if fm.compress > 0 {
+		if fm.compress > 0 && len(fd.Data) > fm.compress {
 			newb := fm.compressData(fd.Data)
 			if len(newb) < len(fd.Data) {
 				fd.Data = newb
@@ -218,7 +218,7 @@ func (fm *FrameMgr) preProcessRecvList() (map[int32]int, map[int32]int, map[int3
 		} else if f.Type == (int32)(Frame_PONG) {
 			fm.processPong(f)
 		} else {
-			loggo.Error("error frame type %s", f.Type)
+			loggo.Error("error frame type %d", f.Type)
 		}
 	}
 	fm.recvlist.Init()
@@ -552,6 +552,7 @@ func (fm *FrameMgr) compressData(src []byte) []byte {
 	var b bytes.Buffer
 	w := zlib.NewWriter(&b)
 	w.Write(src)
+	w.Close()
 	return b.Bytes()
 }
 

pingtunnel_test.go

@@ -95,4 +95,10 @@ func Test0001(t *testing.T) {
 	fm.recvid = 13
 	fm.windowsize = 10000
 	fmt.Println("fm.isIdOld  = ", fm.isIdOld(9, FRAME_MAX_ID))
+
+	dd := fm.compressData(([]byte)("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
+	fmt.Println("fm.compressData  = ", len(dd))
+
+	_, ddd := fm.deCompressData(dd)
+	fmt.Println("fm.deCompressData  = ", (string)(ddd))
 }