From b5560d3cae1164f016ca9339592eda6b9008fb9f Mon Sep 17 00:00:00 2001
From: chenshijun <csj_sky@126.com>
Date: 星期六, 27 七月 2019 12:31:29 +0800
Subject: [PATCH] 重构代码

---
 tasktag/tasktag.go |   45 ++--
 sdk/sdk.go         |  265 ++++++++++-------------
 util/sqlite.go     |   43 +--
 util/util.go       |   89 +++++--
 taskpubsub         |    0 
 camera/camera.go   |  194 ++++++++---------
 6 files changed, 316 insertions(+), 320 deletions(-)

diff --git a/camera/camera.go b/camera/camera.go
index 65b24df..5329bae 100644
--- a/camera/camera.go
+++ b/camera/camera.go
@@ -1,29 +1,34 @@
 package camera
 
 import (
-	"errors"
-
 	"basic.com/valib/deliver.git"
-    "taskpubsub/logger"
+	//"sync"
+	"taskpubsub/logger"
 
+	"basic.com/pubsub/protomsg.git"
+	"github.com/gogo/protobuf/proto"
 	"taskpubsub/sdk"
 	"taskpubsub/util"
-    "github.com/gogo/protobuf/proto"
-    "basic.com/pubsub/protomsg.git"
 
-	"context"
 	"fmt"
-	"sync"
 	//"time"
-
 )
 
-var SocketManage sync.Map
+const (
+	faceExtractWebCID    = "virtual-face-extract-web-camera-id"
+	faceExtractWebTaskID = "92496BDF-2BFA-98F2-62E8-96DD9866ABD2"
+)
 
-type SocketContext struct {
-	Sock    deliver.Deliver
-	Context context.Context
-	Cancel  context.CancelFunc
+var SocketManage = make(map[string]util.SocketContext)
+
+var innerRecvTopic = []string{
+	"virtual-faceextract-sdk-pull_2", //to web 浠ュ浘鎼滃浘
+}
+
+func initInnerTopic() {
+	for _, recvTopic := range innerRecvTopic {
+		createCameraRecvServerAndListen(recvTopic)
+	}
 }
 
 func Init() {
@@ -33,96 +38,80 @@
 		logger.Info()
 	}
 
-    // 鎽勫儚鏈哄垵濮嬪寲
+	// 鎽勫儚鏈哄垵濮嬪寲
 	for _, cam := range util.CameraIds {
-        CreateCamera(cam.Id, "camera")
+		createCameraRecvServerAndListen(cam.Id)
 	}
 
-    //  web绔垵濮嬪寲
-    CreateCamera("virtual-faceextract-sdk-pull_2" , "web")
+	// 鎵嬪姩杈撳叆鐨勪富棰�
+	initInnerTopic()
 
-	go AutoDelCamera(util.Cameraflag)
+	go autoUpdateCamera(util.Cameraflag)
 }
 
 // camera 鎺ュ彈鏁版嵁
-func CreateCamera(id string, remote string) {
-		if _, ok := SocketManage.Load(id); !ok {
-			url := fmt.Sprintf("ipc:///tmp/%s.ipc", id)
+func createCameraRecvServerAndListen(id string) {
+	if _, isExist := SocketManage[id]; !isExist { //涓嶅瓨鍦�
 
-			socketlisten, err := NewCamerSocketListen(deliver.PushPull, id, url)
-			if err != nil {
-				logger.Error("create socket error")
-                return 
-			}
-        
-		    go Recv(socketlisten, remote)
+		url := fmt.Sprintf("ipc:///tmp/%s.ipc", id)
+		socket, err := util.NewSocketListen(int(deliver.PushPull), url)
+		if err != nil {
+			logger.Error("create socket error")
+			return
 		}
+		SocketManage[id] = socket
+
+		go Recv(socket)
+	}
+}
+
+func deleteCameraRecvServer(id string) {
+	if _, isExist := SocketManage[id]; isExist { //瀛樺湪
+		SocketManage[id].Cancel()
+		delete(SocketManage, id)
+		logger.Info("鍒犻櫎server sdk: ", id)
+	}
 }
 
 //鍔ㄦ�佸鐞�
-func AutoDelCamera(cameraflag chan bool) {
+func autoUpdateCamera(cameraflag chan bool) {
 
 	for _ = range cameraflag {
 		logger.Info("test autodelcameraflag")
-		var oldcamera []string
+		var oldcameras []string
 
-		SocketManage.Range(func(k, v interface{}) bool {
-			if str, ok := k.(string); ok {
-				oldcamera = append(oldcamera, str)
-			}
-			return true
-		})
+		for key := range SocketManage {
+			oldcameras = append(oldcameras, key)
+		}
 
-        var newcamera []string
-        
-        for _, camnew := range util.CameraIds {
-            newcamera = append(newcamera, camnew.Id) 
-        }
-        newcamera = append(newcamera, "virtual-faceextract-sdk-pull_2")
+		var newcameras []string
+		for _, camnew := range util.CameraIds {
+			newcameras = append(newcameras, camnew.Id)
+		}
 
+		// 鎵嬪姩娣诲姞鐨勫叏閮ㄥ姞涓�
+		for _, recvTopic := range innerRecvTopic {
+			newcameras = append(newcameras, recvTopic)
+		}
 
-		cameraChanDel := util.Difference(oldcamera, newcamera)
-		logger.Info(cameraChanDel)
+		cameraListUpdate := util.Difference(oldcameras, newcameras)
+		logger.Info(cameraListUpdate)
 
-		for key, op := range cameraChanDel {
+		for key, op := range cameraListUpdate {
 			if op == "add" {
-               CreateCamera(key, "camera") 
-               logger.Info("add new camera id=========================", key)
+				createCameraRecvServerAndListen(key)
 			} else {
-				if sock, ok := SocketManage.Load(key); ok {
-					if socket, sok := sock.(SocketContext); sok {
-						socket.Cancel()
-						SocketManage.Delete(key)
-					}
-				}
-				logger.Info("鍒犻櫎camera server : ", key)
+				deleteCameraRecvServer(key)
 			}
 		}
 	}
 }
 
-// create server
-func NewCamerSocketListen(mode int, cameraid string, url string) (socket SocketContext, err error) {
-	ctx, cancel := context.WithCancel(context.Background())
+func Recv(socket util.SocketContext) {
 
-	socket.Context = ctx
-	socket.Cancel = cancel
-
-	socket.Sock = deliver.NewServer(deliver.Mode(mode), url)
-	logger.Info("new socket.Sock: ", socket.Sock)
-
-	if socket.Sock == nil {
-		return socket, errors.New("create listen error")
-	}
-	SocketManage.Store(cameraid, socket)
-	return socket, nil
-}
-
-func Recv(socket SocketContext, remote string ) {
-
-    var recvmessage []byte
-    var imagemsg  protomsg.Image
-    var err error
+	var recvmessage []byte
+	var imagemsg protomsg.Image
+	var err error
 	for {
 		select {
 		case <-socket.Context.Done():
@@ -134,34 +123,31 @@
 				continue
 			}
 
-            unmsg, err := util.UnCompress(recvmessage)
-            if err != nil {
-                logger.Error(err)
-                continue
-            }
+			unmsg, err := util.UnCompress(recvmessage)
+			if err != nil {
+				logger.Error(err)
+				continue
+			}
 
-            if  err := proto.Unmarshal(unmsg,&imagemsg);  err != nil {
-               logger.Error("recv msg is not protomsgImage") 
-               continue
-            }
-
-            switch remote {
-               case "camera":
-                    for _, taskid := range GetAlltask(imagemsg.Cid) {
-                        //time.Sleep(5 * time.Second)
-                        logger.Debug("id: ", imagemsg.Cid, " taskid: ", taskid)
-                        Taskdolist(imagemsg.Cid, "", taskid, recvmessage)
-	            	}
-               case  "web":
-                        logger.Debug("id: ", imagemsg.Cid , " taskid: ", "92496BDF-2BFA-98F2-62E8-96DD9866ABD2")
-                        Taskdolist(imagemsg.Cid,"", "92496BDF-2BFA-98F2-62E8-96DD9866ABD2", recvmessage)
-           }
+			if err := proto.Unmarshal(unmsg, &imagemsg); err != nil {
+				logger.Error("recv msg is not protomsgImage")
+				continue
+			}
+			if faceExtractWebCID == imagemsg.Cid { //浠ュ浘鎼滃浘
+				doTaskList(imagemsg.Cid, "", faceExtractWebTaskID, recvmessage)
+			} else {
+				taskIDs := GetAllTaskByID(imagemsg.Cid)
+				for _, taskID := range taskIDs {
+					logger.Debug("id: ", imagemsg.Cid, " taskid: ", taskID)
+					doTaskList(imagemsg.Cid, "", taskID, recvmessage)
+				}
+			}
 		}
 	}
 }
 
 //   鎹甤id 鑾峰彇 鎵�鏈夌殑浠诲姟
-func GetAlltask(cid string) (tasks []string) {
+func GetAllTaskByID(cid string) (tasks []string) {
 	for _, camsingle := range util.CameraTasks {
 		if cid == camsingle.Camera.Id {
 			for _, tasksingle := range camsingle.Tasks {
@@ -173,22 +159,22 @@
 	return
 }
 
-func Taskdolist(cid string, caddr string,  taskid string, data []byte) {
+func doTaskList(cid string, caddr string, taskid string, data []byte) {
 
 	//  鏁版嵁鍔犲伐(鎵撴爣绛�)
-    logger.Debug("taskid: ",taskid, "has ", len(data), "data[]byte")
-	sdkmsg := sdk.SdkData(cid, caddr, taskid, data)
+	logger.Debug("taskid: ", taskid, "has ", len(data), "data[]byte")
+	sdkmsg := sdk.ToSdkMsg(cid, caddr, taskid, data)
 	if sdkmsg.Tasklab == nil {
-        logger.Error(cid, " not have taskid: ", taskid )
+		logger.Error(cid, " not have taskid: ", taskid)
 		return
 	}
 
 	//  璁$畻鍒嗗彂鐨勪富棰�
-	SendTopic := sdk.SdkSendTopic(sdkmsg)
-    logger.Debug(SendTopic)
+	SendTopic := sdk.GetSdkSendTopic(sdkmsg)
+	logger.Debug(SendTopic)
 	if _, ok := sdk.SdkMap[SendTopic]; ok {
 		sdk.SdkMap[SendTopic] <- sdkmsg
-         logger.Debug("dispute sendtopic success", SendTopic)
+		logger.Debug("dispute sendtopic success", SendTopic)
 	} else {
 		logger.Debug("鍒嗗彂鐨勪富棰樹笉瀛樺湪")
 	}
diff --git a/sdk/sdk.go b/sdk/sdk.go
index e3e338c..0998b97 100644
--- a/sdk/sdk.go
+++ b/sdk/sdk.go
@@ -1,161 +1,170 @@
 package sdk
 
 import (
-	"context"
-	"errors"
 	"fmt"
 
-	//	"taskpubsub/httpclient"
+	"github.com/gogo/protobuf/proto"
 	"taskpubsub/tasktag"
 	"taskpubsub/util"
-    "github.com/gogo/protobuf/proto"
 
 	"basic.com/pubsub/protomsg.git"
 	"basic.com/valib/deliver.git"
-    "taskpubsub/logger"
+	"taskpubsub/logger"
 )
 
 const (
-	postPull = "_1.ipc"
-	postPush = "_2.ipc"
+	postPush = "_1.ipc"
+	postPull = "_2.ipc"
 )
 
-var SocketManage = make(map[string]SocketContext)
+var SocketManage = make(map[string]util.SocketContext)
 var SdkMap = make(map[string]chan protomsg.SdkMessage)
 
-type SocketContext struct {
-	Sock    deliver.Deliver
-	Context context.Context
-	Cancel  context.CancelFunc
+var innerRecvTopic = []string{
+	"facedetect-sdk-no-track", //to sdk-no-track 浠ュ浘鎼滃浘
+}
+
+var innerSendTopic = []string{
+	"facedetect-sdk-no-track",      //to sdk-no-track 浠ュ浘鎼滃浘
+	"virtual-faceextract-sdk-pull", //to web 浠ュ浘鎼滃浘
+}
+
+func initInnerTopic() {
+	for _, sendTopic := range innerSendTopic {
+		createSdkSendServerAndListen(sendTopic)
+	}
+
+	for _, recvTopic := range innerRecvTopic {
+		createSdkRecvServerAndListen(recvTopic)
+	}
 }
 
 func Init() {
 
 	logger.Info("============= init sdk info =====================")
 	for _, sdkid := range util.Sdklist { // 鍒涘缓sdk server
-		CreatesdkTopicandServer(sdkid)
+		createSdkTopicAndServer(sdkid)
 		logger.Info()
 	}
 
-    // 鎵嬪姩杈撳叆鐨勪富棰�
-    
-    // sdk-no-track
-    CreatesdkTopicandServer("facedetect-sdk-no-track")
-    logger.Info()
+	// 鎵嬪姩杈撳叆鐨勪富棰�
+	initInnerTopic()
 
-    // es
+	// es
 	SdkMap["es"] = make(chan protomsg.SdkMessage)
 	logger.Info("create es channel: ")
+	go DealEsTopic()
 
-    // web
-    SdkMap["virtual-faceextract-sdk-pull"] = make(chan protomsg.SdkMessage)
-	logger.Info("create virtual-faceextract-sdk-pull")
-
-    Createwebserver("virtual-faceextract-sdk-pull")
-
-	go Dealextern()
-	go AutoDelSdk(util.Sdkflag)
+	go autoUpdateSdk(util.Sdkflag)
 }
 
-func CreatesdkTopicandServer(sdkid string) {
-
-	SdkMap[sdkid] = make(chan protomsg.SdkMessage)
-	logger.Info("create sdk channel:  ", sdkid)
-
-	url := fmt.Sprintf("ipc:///tmp/%s%s", sdkid, postPull)
-	socketser, err := NewSdkSocketListen(deliver.PushPull, sdkid, url)
-	if err != nil {
-        delete(SdkMap, sdkid)
-		logger.Error(sdkid, "create server error!")
-		return
-	}
-
-
-	go Send(sdkid, socketser, SdkMap[sdkid])
-
-	url = fmt.Sprintf("ipc:///tmp/%s%s", sdkid, postPush)
-	socketdial, err := NewSdkSocketListen(deliver.PushPull, sdkid, url)
-	if err != nil {
-        delete(SdkMap, sdkid)
-		logger.Error(sdkid, "create dial error!")
-		return
-	}
-	go Recv(socketdial)
-
+func createSdkTopicAndServer(sdkid string) {
+	createSdkSendServerAndListen(sdkid)
+	createSdkRecvServerAndListen(sdkid)
 }
 
-// web 鎺ュ彈绔鐞�
-func Createwebserver(webid string ){
-    url := fmt.Sprintf("ipc:///tmp/%s%s", webid, postPull)
-	socketser, err := NewSdkSocketListen(deliver.PushPull, webid, url)
-	if err != nil {
-		logger.Error(webid, "create server error!")
-		return
+func deleteSdkTopicAndServer(id string) {
+	if _, isExist := SdkMap[id]; isExist { //瀛樺湪
+		close(SdkMap[id])
+		delete(SdkMap, id)
+		logger.Info("鍒犻櫎涓婚 sdk: ", id)
 	}
-	go Send(webid, socketser, SdkMap[webid])
+
+	if _, isExist := SocketManage[id]; isExist { //瀛樺湪
+		SocketManage[id].Cancel()
+		delete(SocketManage, id)
+		logger.Info("鍒犻櫎server sdk: ", id)
+	}
 }
 
-func DeletesdkTopicandServer(sdkid string) {
-	close(SdkMap[sdkid])
-	delete(SdkMap, sdkid)
-	logger.Info("鍒犻櫎涓婚 sdk: ", sdkid)
+func createSdkSendServerAndListen(id string) {
+	if _, isExist := SdkMap[id]; !isExist { //涓嶅瓨鍦�
+		SdkMap[id] = make(chan protomsg.SdkMessage)
+		logger.Info("create", id)
+	}
 
-	SocketManage[sdkid].Cancel()
-	delete(SocketManage, sdkid)
-	logger.Info("鍒犻櫎server sdk: ", sdkid)
+	url := fmt.Sprintf("ipc:///tmp/%s%s", id, postPush)
+	socket, err := util.NewSocketListen(int(deliver.PushPull), url)
+	if err != nil {
+		delete(SdkMap, id)
+		logger.Error(id, "create socket error!")
+		return
+	}
+	SocketManage[id] = socket
+
+	go Send(id, socket, SdkMap[id])
+}
+
+func createSdkRecvServerAndListen(id string) {
+	if _, isExist := SdkMap[id]; !isExist { //涓嶅瓨鍦�
+		SdkMap[id] = make(chan protomsg.SdkMessage)
+		logger.Info("create", id)
+	}
+
+	url := fmt.Sprintf("ipc:///tmp/%s%s", id, postPull)
+	socket, err := util.NewSocketListen(int(deliver.PushPull), url)
+	if err != nil {
+		delete(SdkMap, id)
+		logger.Error(id, "create socket error!")
+		return
+	}
+	SocketManage[id] = socket
+
+	go Recv(socket)
 }
 
 //鍗曠嫭澶勭悊   es 涓婚鐨勬儏鍐�
-func Dealextern() {
-    for {
-        select {
-            case <-SdkMap["es"]:
-                //logger.Info("es finanl sdk!")
-        }
-    }
+func DealEsTopic() {
+	for {
+		select {
+		case <-SdkMap["es"]:
+			//logger.Info("es finanl sdk!")
+		}
+	}
 }
 
 //鍔ㄦ�佸鐞�
-func AutoDelSdk(sdkflag chan bool) {
+func autoUpdateSdk(sdkflag chan bool) {
 
 	for _ = range sdkflag {
 		logger.Info("test autodelsdk")
-		var oldSdk []string
-		for key, _ := range SdkMap {
-			oldSdk = append(oldSdk, key)
+		var oldSdkList []string
+		for key := range SdkMap {
+			oldSdkList = append(oldSdkList, key)
 		}
 
-        // 鎵嬪姩娣诲姞鐨勫叏閮ㄥ姞涓�
-		util.Sdklist = append(util.Sdklist, "es")
-		util.Sdklist = append(util.Sdklist, "virtual-faceextract-sdk-pull")
-		util.Sdklist = append(util.Sdklist, "facedetect-sdk-no-track")
+		newSdkList := util.Sdklist
 
-		sdkChanDel := util.Difference(oldSdk, util.Sdklist)
-		logger.Info(sdkChanDel)
+		// 鎵嬪姩娣诲姞鐨勫叏閮ㄥ姞涓�
+		for _, sendTopic := range innerSendTopic {
+			newSdkList = append(newSdkList, sendTopic)
+		}
+		for _, recvTopic := range innerRecvTopic {
+			newSdkList = append(newSdkList, recvTopic)
+		}
 
-		for key, op := range sdkChanDel {
+		sdkListUpdate := util.Difference(oldSdkList, newSdkList)
+		logger.Info(sdkListUpdate)
+
+		for key, op := range sdkListUpdate {
 			if op == "add" {
-				CreatesdkTopicandServer(key)
+				createSdkTopicAndServer(key)
 			} else {
-				DeletesdkTopicandServer(key)
-				logger.Info("鍒犻櫎涓婚 sdk: ", key)
+				deleteSdkTopicAndServer(key)
 			}
 		}
 	}
 }
 
-
 //sdk鏁版嵁 鍔犲伐鍣�
-func SdkData(cid string,caddr string, taskid string, data []byte) protomsg.SdkMessage {
+func ToSdkMsg(cid string, caddr string, taskid string, data []byte) protomsg.SdkMessage {
 	var sdkmsg = protomsg.SdkMessage{}
 	sdkmsg.Cid = cid
-    sdkmsg.Caddr =caddr 
-	if val, ok := tasktag.TaskMapLab.Load(taskid); !ok {
+	sdkmsg.Caddr = caddr
+	if val, ok := tasktag.TaskLabelMap.Load(taskid); !ok {
 		sdkmsg.Tasklab = nil
 		return sdkmsg
-
 	} else {
-
 		sdkmsg.Tasklab = val.(*protomsg.TaskLabel)
 		sdkmsg.Data = data
 	}
@@ -163,51 +172,17 @@
 }
 
 //sdk鏁版嵁鍒嗗彂鍣�
-func SdkSendTopic(sdkmsg protomsg.SdkMessage) (sdksend string) {
+func GetSdkSendTopic(sdkmsg protomsg.SdkMessage) (sendTopic string) {
 	if int(sdkmsg.Tasklab.Index) < len(sdkmsg.Tasklab.Sdkinfos) {
-		sdksend = sdkmsg.Tasklab.Sdkinfos[sdkmsg.Tasklab.Index].Ipcid
+		sendTopic = sdkmsg.Tasklab.Sdkinfos[sdkmsg.Tasklab.Index].Ipcid
 	} else {
-		sdksend = "es"
+		sendTopic = "es"
 	}
-    logger.Debug("鍒嗗彂鐨勪富棰�: ", sdksend , "浣嶇疆锛�", int(sdkmsg.Tasklab.Index)+1,"/",  len(sdkmsg.Tasklab.Sdkinfos))
+	logger.Debug("鍒嗗彂鐨勪富棰�: ", sendTopic, "浣嶇疆锛�", int(sdkmsg.Tasklab.Index)+1, "/", len(sdkmsg.Tasklab.Sdkinfos))
 	return
 }
 
-// create server
-func NewSdkSocketListen(mode int, sdkid string, url string) (socket SocketContext, err error) {
-	logger.Info("url is: ", url)
-	ctx, cancel := context.WithCancel(context.Background())
-
-	socket.Context = ctx
-	socket.Cancel = cancel
-	socket.Sock = deliver.NewServer(deliver.Mode(mode), url)
-
-	if socket.Sock == nil {
-		return socket, errors.New("create listen error")
-	}
-
-	SocketManage[sdkid] = socket
-	return socket, nil
-}
-
-func NewSdkSocketDial(mode int, sdkid string, url string) (sid string, socket SocketContext, err error) {
-	logger.Info("url is: ", url)
-	ctx, cancel := context.WithCancel(context.Background())
-
-	socket.Context = ctx
-	socket.Cancel = cancel
-
-	socket.Sock = deliver.NewClient(deliver.Mode(mode), url)
-
-	if socket.Sock == nil {
-		return sdkid, socket, errors.New("create listen error")
-	}
-
-	SocketManage[sdkid] = socket
-	return sdkid, socket, nil
-}
-
-func Recv(socket SocketContext) {
+func Recv(socket util.SocketContext) {
 	var repsdkmsg = protomsg.SdkMessage{}
 	for {
 		select {
@@ -222,36 +197,36 @@
 				if err != nil {
 					logger.Error("unmarshal error: ", err)
 					continue
-			    }
-                repsdkmsg.Tasklab.Index++
-                //璋冪敤璁$畻鍑芥暟锛� 鍒嗗彂缁欎笅涓�涓富棰�
-                nexttopic := SdkSendTopic(repsdkmsg)
-                SdkMap[nexttopic] <- repsdkmsg
+				}
+				repsdkmsg.Tasklab.Index++
+				//璋冪敤璁$畻鍑芥暟锛� 鍒嗗彂缁欎笅涓�涓富棰�
+				nexttopic := GetSdkSendTopic(repsdkmsg)
+				SdkMap[nexttopic] <- repsdkmsg
 			}
 		}
 	}
 }
 
-func Send(sdkid string, socket SocketContext, in chan protomsg.SdkMessage) {
+func Send(sdkid string, socket util.SocketContext, in chan protomsg.SdkMessage) {
 
 	for {
 		select {
 		case <-socket.Context.Done():
 			logger.Info("socket is close")
 			return
-        case v, ok := <-in:
+		case v, ok := <-in:
 			if ok {
-				data, err :=v.Marshal()
+				data, err := v.Marshal()
 				if err != nil {
 					logger.Error("proto marshal error ", err)
 					continue
-                }
-				
+				}
+
 				if err := socket.Sock.Send(data); err != nil {
-					logger.Error("failed send")
+					logger.Error("failed send:sdkid=", sdkid)
 					continue
 				}
-                logger.Debug(sdkid, " send success: ", len(data))
+				logger.Debug(sdkid, " send success: ", len(data))
 			} else {
 				logger.Debug(sdkid, " 涓婚鍏抽棴, 鍏抽棴send()")
 				return
diff --git a/taskpubsub b/taskpubsub
index 0e64a58..cf091f9 100755
--- a/taskpubsub
+++ b/taskpubsub
Binary files differ
diff --git a/tasktag/tasktag.go b/tasktag/tasktag.go
index 2b54495..4fd3796 100644
--- a/tasktag/tasktag.go
+++ b/tasktag/tasktag.go
@@ -4,60 +4,59 @@
 	"sync"
 
 	"basic.com/pubsub/protomsg.git"
+	"taskpubsub/logger"
 	"taskpubsub/util"
-    "taskpubsub/logger"
 )
 
-var TaskMapLab sync.Map
+var TaskLabelMap sync.Map
 
 func Init() {
 
 	logger.Info("============= init tasktag info =====================")
-	GenTaskMap()
+	genTaskLabelMap()
 	go func(taskflag chan bool) {
 		for _ = range taskflag {
-			GenTaskMap()
+			genTaskLabelMap()
 			logger.Info("update task finished!")
 		}
-
 	}(util.TaskSdkflag)
 }
 
-func GenTaskMap() {
-	var tls []protomsg.TaskLabel
+// 浠巗qlite 鎺ュ彛鎷垮埌鎵�鏈夌殑浠诲姟, 姣忎竴涓换鍔¢兘鏈夎嚜宸辩殑鍑犱釜绠楁硶
+//浠� taskid 浣滀负key, 瀵瑰簲鐨勭畻娉曠粍鍚堜綔涓� value
+func genTaskLabelMap() {
+	var newtls []protomsg.TaskLabel
 	for _, taskSdk := range util.TaskSdks {
 
 		var tl protomsg.TaskLabel
 		tl.Taskid = taskSdk.Task.Taskid
-        tl.Taskname = taskSdk.Task.Taskname
+		tl.Taskname = taskSdk.Task.Taskname
 
 		for _, sdkinfo := range taskSdk.Sdks {
-            sdkinfowithtask := new(protomsg.SdkmsgWithTask) 
-            sdkinfowithtask.Ipcid = sdkinfo.IpcId
-            sdkinfowithtask.Sdktype = sdkinfo.SdkType
-            sdkinfowithtask.Sdkdata = make([]byte, 1)
-            tl.Sdkinfos = append(tl.Sdkinfos, sdkinfowithtask)
+			sdkinfowithtask := new(protomsg.SdkmsgWithTask)
+			sdkinfowithtask.Ipcid = sdkinfo.IpcId
+			sdkinfowithtask.Sdktype = sdkinfo.SdkType
+			sdkinfowithtask.Sdkdata = make([]byte, 1)
+			tl.Sdkinfos = append(tl.Sdkinfos, sdkinfowithtask)
 		}
 		tl.Index = int32(0)
-		tls = append(tls, tl)
+		newtls = append(newtls, tl)
 	}
-	GenTasklab(tls)
-	TaskMapLab.Range(func(k, v interface{}) bool {
+	updateTaskLabelMap(newtls)
+	TaskLabelMap.Range(func(k, v interface{}) bool {
 		logger.Info(k, v)
 		return true
 	})
 }
 
-// 浠巗qlite 鎺ュ彛鎷垮埌鎵�鏈夌殑浠诲姟, 姣忎竴涓换鍔¢兘鏈夎嚜宸辩殑鍑犱釜绠楁硶
-//浠� taskid 浣滀负key, 瀵瑰簲鐨勭畻娉曠粍鍚堜綔涓� value
-func GenTasklab(tasklab []protomsg.TaskLabel) {
-	TaskMapLab.Range(func(key interface{}, value interface{}) bool {
-		TaskMapLab.Delete(key)
+func updateTaskLabelMap(taskLabel []protomsg.TaskLabel) {
+	TaskLabelMap.Range(func(key interface{}, value interface{}) bool {
+		TaskLabelMap.Delete(key)
 		return true
 	})
 
-	for _, value := range tasklab {
+	for _, value := range taskLabel {
 		pv := value
-		TaskMapLab.Store(value.Taskid, &pv)
+		TaskLabelMap.Store(value.Taskid, &pv)
 	}
 }
diff --git a/util/sqlite.go b/util/sqlite.go
index 18973b6..fce2371 100644
--- a/util/sqlite.go
+++ b/util/sqlite.go
@@ -1,13 +1,12 @@
 package util
 
 import (
-
-    "flag"
-	"basic.com/pubsub/protomsg.git"
 	"basic.com/dbapi.git"
+	"basic.com/pubsub/protomsg.git"
+	"basic.com/valib/gopherdiscovery.git"
+	"flag"
 	"github.com/gogo/protobuf/proto"
-    "basic.com/valib/gopherdiscovery.git"
-    "taskpubsub/logger"
+	"taskpubsub/logger"
 )
 
 /*************************
@@ -25,15 +24,15 @@
 var CameraTasks []protomsg.CameraAndTaskInfo
 
 //var TaskSdks []protomsg.TaskSdkInfo
-var TaskSdks []protomsg.TaskSdkRun 
+var TaskSdks []protomsg.TaskSdkRun
 
 var Sdklist []string
 var Sdkinfos []protomsg.Sdk
 
-var urlServer = flag.String("urlServer","tcp://127.0.0.1:40007","heartbeat address of url server")
-var urlPubSub = flag.String("urlPubsub","tcp://127.0.0.1:50007", "heartbeat pubsub address of url server")
+var urlServer = flag.String("urlServer", "tcp://127.0.0.1:40007", "heartbeat address of url server")
+var urlPubSub = flag.String("urlPubsub", "tcp://127.0.0.1:50007", "heartbeat pubsub address of url server")
 
-var dbip = flag.String("dbip","127.0.0.1","address of database ip")
+var dbip = flag.String("dbip", "127.0.0.1", "address of database ip")
 var dbport = flag.Int("dbport", 8001, "port of database port")
 
 var Sdkflag = make(chan bool)
@@ -42,23 +41,21 @@
 
 var newsdkmsg = &protomsg.DbChangeMessage{}
 
-
-
-func processinit(initchan chan bool) {
+func initDbData(initchan chan bool) {
 	CameraIds = camval.FindAll()
 
 	logger.Info("==============camera camera with task ================")
 	CameraTasks = camval.FindAllCameraAndTask()
-    logger.Info(CameraTasks)
+	logger.Info(CameraTasks)
 
 	TaskSdks = taskapi.FindAllTaskSdkRun()
 
 	Sdklist = sdkapi.GetAllSdkIds()
-    Sdkinfos = sdkapi.FindAll("")
+	Sdkinfos = sdkapi.FindAll("")
 	initchan <- true
 }
 
-func Getdata(opt []byte) {
+func updateDbData(opt []byte) {
 	if err := proto.Unmarshal(opt, newsdkmsg); err != nil {
 		logger.Error("publichshMessage ", err)
 		return
@@ -69,7 +66,7 @@
 		logger.Info("update camera")
 		CameraIds = camval.FindAll()
 		Cameraflag <- true
-        logger.Info("update camera finish.")
+		logger.Info("update camera finish.")
 
 	case protomsg.TableChanged_T_CameraTask:
 		logger.Info("update cameratask")
@@ -84,7 +81,7 @@
 	case protomsg.TableChanged_T_Sdk:
 		logger.Info("update sdk")
 		Sdklist = sdkapi.GetAllSdkIds()
-        Sdkinfos = sdkapi.FindAll("")
+		Sdkinfos = sdkapi.FindAll("")
 		Sdkflag <- true
 
 	default:
@@ -95,15 +92,15 @@
 }
 
 func Init(initchan chan bool) {
-    dbapi.Init(*dbip, *dbport)
-	clientOne, _ := gopherdiscovery.ClientWithSub(*urlServer, *urlPubSub, "ip:local")
-	recvinit := clientOne.HeartBeatMsg()
+	dbapi.Init(*dbip, *dbport)
+	client, _ := gopherdiscovery.ClientWithSub(*urlServer, *urlPubSub, "ip:local")
+	recvinit := client.HeartBeatMsg()
 	_ = <-recvinit
 
-	processinit(initchan)
+	initDbData(initchan)
 
-	peers, _ := clientOne.Peers()
+	peers, _ := client.Peers()
 	for x := range peers {
-		Getdata(x)
+		updateDbData(x)
 	}
 }
diff --git a/util/util.go b/util/util.go
index 96b3edc..e19a6a3 100644
--- a/util/util.go
+++ b/util/util.go
@@ -1,11 +1,18 @@
 package util
 
-import(
-        "github.com/pierrec/lz4"
-        "taskpubsub/logger"
-       )
+import (
+	"basic.com/valib/deliver.git"
+	"context"
+	"errors"
+	"github.com/pierrec/lz4"
+	"taskpubsub/logger"
+)
 
-
+type SocketContext struct {
+	Sock    deliver.Deliver
+	Context context.Context
+	Cancel  context.CancelFunc
+}
 
 //  1. oldstring element is not in new  : abandon(delete)
 //  2. new element is not in oldstring  : add(add)
@@ -41,28 +48,60 @@
 
 // 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
+	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
 }
 
 // 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
+	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)
+	ctx, cancel := context.WithCancel(context.Background())
+
+	socket.Context = ctx
+	socket.Cancel = cancel
+	socket.Sock = deliver.NewServer(deliver.Mode(mode), url)
+
+	if socket.Sock == nil {
+		return socket, errors.New("create listen error")
+	}
+
+	return socket, nil
+}
+
+func NewSocketDial(mode int, url string) (socket SocketContext, err error) {
+	logger.Info("url is: ", url)
+	ctx, cancel := context.WithCancel(context.Background())
+
+	socket.Context = ctx
+	socket.Cancel = cancel
+
+	socket.Sock = deliver.NewClient(deliver.Mode(mode), url)
+
+	if socket.Sock == nil {
+		return socket, errors.New("create listen error")
+	}
+
+	return socket, nil
 }

--
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