From ba96922f40f82d12e9a5f4cfa4d887e78f460125 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期四, 26 十二月 2019 15:23:17 +0800
Subject: [PATCH] update

---
 util/util.go |  105 +++++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 79 insertions(+), 26 deletions(-)

diff --git a/util/util.go b/util/util.go
index e19a6a3..4c2b54f 100644
--- a/util/util.go
+++ b/util/util.go
@@ -1,17 +1,34 @@
 package util
 
 import (
-	"basic.com/valib/deliver.git"
 	"context"
 	"errors"
-	"github.com/pierrec/lz4"
-	"taskpubsub/logger"
+
+	"basic.com/valib/deliver.git"
+
+	"basic.com/valib/logger.git"
+)
+
+const (
+	// 鍏变韩鍐呭瓨鍙戦��/鎺ユ敹澶辫触shmMaxTryCount娆¢噸鏂板垱寤洪�氶亾灏濊瘯
+	ShmMaxTryCount = 7
+	// 涓嶈鍏变韩鍐呭瓨/mangos鍙戦��/鎺ユ敹澶辫触鏈�澶ф鏁�,璁や负褰撳墠閫氶亾涓嶅啀浣跨敤, 鍏抽棴
+	// 鏈夐棶棰�,鎽勫儚鏈洪暱鏃堕棿鏂綉鍚庨噸杩�,浣嗘槸閫氶亾鍏抽棴
+	tooLongFailed = 300
+
+	File_Img_Id_Pre   = "img_"
+	File_Video_Id_Pre = "video_"
+	File_Audio_Id_Pre = "audio_"
 )
 
 type SocketContext struct {
 	Sock    deliver.Deliver
 	Context context.Context
 	Cancel  context.CancelFunc
+
+	Mode   int
+	URL    string
+	UseSHM bool
 }
 
 //  1. oldstring element is not in new  : abandon(delete)
@@ -48,40 +65,56 @@
 
 // UnCompress uncompress
 func UnCompress(in []byte) ([]byte, error) {
-	out := make([]byte, 10*len(in))
-	n, err := lz4.UncompressBlock(in, out)
-	if err != nil {
-		logger.Error("uncompress error: ", err)
-		return nil, err
-	}
-	out = out[:n] // uncompressed data
-	return out, nil
+	return in, nil
+
+	// out := make([]byte, 3*len(in))
+	// n, err := lz4.UncompressBlock(in, out)
+	// if err != nil {
+	// 	logger.Error("uncompress error: ", err)
+	// 	return nil, err
+	// }
+	// out = out[:n] // uncompressed data
+	// return out, nil
 }
 
 // Compress compress
 func Compress(in []byte) ([]byte, error) {
-	out := make([]byte, len(in))
-	ht := make([]int, 64<<10) // buffer for the compression table
-	n, err := lz4.CompressBlock(in, out, ht)
-	if err != nil {
-		logger.Error("compress: ", err)
-		return nil, err
-	}
-	if n >= len(in) {
-		logger.Error("image is not compressible")
-	}
-	out = out[:n] // compressed data
-	return out, nil
+	return in, nil
+
+	// out := make([]byte, len(in))
+	// ht := make([]int, 64<<10) // buffer for the compression table
+	// n, err := lz4.CompressBlock(in, out, ht)
+	// if err != nil {
+	// 	logger.Error("compress: ", err)
+	// 	return nil, err
+	// }
+	// if n >= len(in) {
+	// 	logger.Error("image is not compressible")
+	// }
+	// out = out[:n] // compressed data
+	// return out, nil
 }
 
 // create server
-func NewSocketListen(mode int, url string) (socket SocketContext, err error) {
-	logger.Info("url is: ", url)
+func NewSocketListen(mode int, url string, shm bool) (socket SocketContext, err error) {
 	ctx, cancel := context.WithCancel(context.Background())
 
 	socket.Context = ctx
 	socket.Cancel = cancel
-	socket.Sock = deliver.NewServer(deliver.Mode(mode), url)
+
+	socket.Mode = mode
+	socket.URL = url
+	socket.UseSHM = shm
+
+	if shm {
+		var err error
+		socket.Sock, err = deliver.NewServerWithError(deliver.Mode(mode), url)
+		if err != nil {
+			logger.Info("TASK CREATE SERVER SHM ERROR: ", err)
+		}
+	} else {
+		socket.Sock = deliver.NewServer(deliver.Mode(mode), url)
+	}
 
 	if socket.Sock == nil {
 		return socket, errors.New("create listen error")
@@ -105,3 +138,23 @@
 
 	return socket, nil
 }
+
+func MaybeRestartSocket(socket SocketContext, tryCnt *int) SocketContext {
+	if socket.UseSHM {
+		if *tryCnt > ShmMaxTryCount {
+			logger.Info("SDK SEND SHM TRY :", ShmMaxTryCount, " RESTART: ", socket.URL)
+
+			socket.Sock.Close()
+			newSocket, err := NewSocketListen(socket.Mode, socket.URL, socket.UseSHM)
+			if err != nil {
+				return socket
+			}
+
+			*tryCnt = 0
+
+			return newSocket
+		}
+	}
+
+	return socket
+}

--
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