Golang logger.Info函數代碼示例

/*將數據寫入數據庫*/
func Writer(dbIni *DBini, xmlInfo *XmlInfo) {
	logger.Info("***************************")
	logger.Info("Writer begin >>>>>>>>>>>>>>>>")
	if len(xmlInfo.Datas) == 0 {
		logger.Info("Writer end >>>>>>>>>>>>>>>>")
		return
	}
	stmt, err := dbIni.T_Db.db.Prepare(xmlInfo.InsertSQL)
	defer stmt.Close()
	if err != nil {
		logger.Error(err)
		return
	}
	colsLength := len(xmlInfo.Columns)
	c := 0
	arrIds := make([]string, len(xmlInfo.Datas))
	for _, v := range xmlInfo.Datas {
		scans := make([]interface{}, colsLength+2)
		for i := range xmlInfo.Columns {
			scans[i] = v[xmlInfo.Columns[i]]
		}
		scans[colsLength] = dbIni.SysId
		scans[colsLength+1] = dbIni.SysName
		arrIds[c] = v[xmlInfo.Columns[0]]
		stmt.Exec(scans...)
		c++
	}
	xmlInfo.Datas = nil
	xmlInfo.Ids = arrIds
	logger.Info("Writer end >>>>>>>>>>>>>>>>")
}

/*複製文件 如果存在則不再複製*/
func copyFile(src, dest string) error {
	srcFile, e := os.Open(src)
	if e != nil {
		logger.Error("copyFile:", e.Error())
		return e
	}
	defer srcFile.Close()

	df, e := os.Open(dest)
	defer df.Close()
	if e != nil && os.IsNotExist(e) {
		logger.Info("desIniFile:", dest, "file not exist!")
		destFile, e := os.Create(dest)
		if e != nil {
			logger.Error("copyFile destFile:", e.Error())
			return e
		}
		defer destFile.Close()
		io.Copy(destFile, srcFile)
		logger.Info("copy file from :", src, " to ", dest)
	} else {
		logger.Info("desIniFile:", dest, "已存在")
	}

	return nil
}

/*執行數據同步讀取直接寫入 single data 單次執行可變的業務數據 */
func (xmlInfo *XmlInfo) RunSingleDataPipe(dbIni *DBini) {
	logger.Info("All run begin >>>>>>>>>>>>>>>>")
	logger.Info("dbIni.F_DbType:", dbIni.F_DbType, "dbIni.T_DbType:", dbIni.T_DbType)
	if !StartFlag {
		return
	}
	defer func() {
		if err := recover(); err != nil {
			logger.Error("查詢數據庫失敗", err)
		}
	}()
	f_pwd, _ := Base64Dec(dbIni.F_Password)
	t_pwd, _ := Base64Dec(dbIni.T_Password)
	dbIni.F_Db.Db_open(dbIni.F_DbType, dbIni.F_User, f_pwd, dbIni.F_Ip, dbIni.F_Port, dbIni.F_Dbname)
	dbIni.T_Db.Db_open(dbIni.T_DbType, dbIni.T_User, t_pwd, dbIni.T_Ip, dbIni.T_Port, dbIni.T_Dbname)
	//關閉數據庫
	defer dbIni.F_Db.db.Close()
	defer dbIni.T_Db.db.Close()

	if dbIni.F_Db.db == nil || dbIni.T_Db.db == nil {
		logger.Error("無法鏈接兩方數據庫")
		panic("無法鏈接兩方數據庫")
		return
	}
	DataSinglePipe(dbIni, xmlInfo)
	Updater(dbIni, xmlInfo)
	ExecProc(dbIni, xmlInfo)
	logger.Info("All run end >>>>>>>>>>>>>>>>")
	time.Sleep(5 * time.Second)
}

/*判斷是否需要添加標記位，如需要添加標記位*/
func Alter(dbIni *DBini, xmlInfo *XmlInfo) {
	if len(xmlInfo.CheckColumnSQL) > 0 {
		defer func() {
			if err := recover(); err != nil {
				logger.Error("數據庫執行失敗", err)
			}
		}()
		f_pwd, _ := Base64Dec(dbIni.F_Password)
		dbIni.F_Db.Db_open(dbIni.F_DbType, dbIni.F_User, f_pwd, dbIni.F_Ip, dbIni.F_Port, dbIni.F_Dbname)
		defer dbIni.F_Db.db.Close()
		query, err := dbIni.F_Db.db.Query(strings.Replace(xmlInfo.CheckColumnSQL, "@[dbname]", dbIni.F_Dbname, -1)) //查詢數據庫
		defer query.Close()
		if err != nil {
			logger.Error("查詢數據庫失敗", err.Error())
			panic(err)
			return
		}
		testQuery, err := dbIni.F_Db.db.Query("select 1")
		if err != nil {
			logger.Error("數據庫連接異常,無法查詢測試數據")
			panic(err)
			return
		} else {
			if !testQuery.Next() {
				logger.Error("數據庫連接異常,無法遍曆測試數據")
				panic(err)
				return
			}
			defer testQuery.Close()
		}
		if query.Next() {
			logger.Info(xmlInfo.Remark, "經檢測，標記位已添加")
			xmlInfo.AlterFlag = true
		} else {
			stmt, err := dbIni.F_Db.db.Prepare(xmlInfo.AlterSQL)
			defer stmt.Close()
			if err != nil {
				logger.Error(err)
				return
			}
			stmt.Exec()
			logger.Info(xmlInfo.Remark, "在源數據庫中添加成功")
			updateStmt, err := dbIni.F_Db.db.Prepare(xmlInfo.UpdateFlagSQL)
			defer updateStmt.Close()
			if err != nil {
				logger.Error(err)
				return
			}
			updateStmt.Exec()
			logger.Info(xmlInfo.Remark, "在源數據庫中更新成功")
			xmlInfo.AlterFlag = true
		}
	} else {
		logger.Info(xmlInfo.Remark, "無需檢測標記位")
		xmlInfo.AlterFlag = true
	}
}

/*啟動組織機構同步服務*/
func (configinfo *ConfigInfo) StartOrgSync() {
	logger.Info(" StartOrgSync is run... ")
	var orgVersionUrl = "http://" + configinfo.core_ip + ":" + configinfo.core_port + configinfo.orgversion_url
	var allOrgUrl = "http://" + configinfo.core_ip + ":" + configinfo.core_port + configinfo.allorg_url
	logger.Info("orgVersionUrl start >>>>>>>>>>>>>>>>", orgVersionUrl)
	logger.Info("allOrgUrl start >>>>>>>>>>>>>>>>", allOrgUrl)
	//發起鏈接訪問，獲取返回的json數據
	for {
		var return_orgs []byte
		var return_version []byte
		var tmpOrgVersion string = ""
		if response, err := http.Get(orgVersionUrl); err != nil {
			logger.Error(" err = ", err)
		} else {
			defer response.Body.Close()
			if return_version, err = ioutil.ReadAll(response.Body); err != nil {
				logger.Error(" err = ", err)
			}
			tmpOrgVersion = string(return_version)
		}
		logger.Info(" return_version = ", tmpOrgVersion)
		if len(OrgVersion) == 0 || (len(tmpOrgVersion) > 0 && !strings.EqualFold(tmpOrgVersion, OrgVersion)) {
			OrgVersion = tmpOrgVersion
			//重新加載組織機構
			if response, err := http.Get(allOrgUrl); err != nil {
				logger.Error(" err = ", err)
			} else {
				defer response.Body.Close()
				if return_orgs, err = ioutil.ReadAll(response.Body); err != nil {
					logger.Error(" err = ", err)
				}
			}
			var orgInfos []OrgInfo
			err := json.Unmarshal(return_orgs, &orgInfos)
			if err != nil {
				logger.Error(" err = ", err)
			}
			if len(orgInfos) > 0 {
				for k, _ := range OrgMap {
					delete(OrgMap, k)
				}
				for k, _ := range OrgNameMap {
					delete(OrgNameMap, k)
				}
				for i := range orgInfos {
					org := &orgInfos[i]
					OrgMap[org.Org_path] = org.Id
					OrgMap[org.Name] = org.Id
					OrgNameMap[org.Id] = org.Name
				}
			}
		}
		time.Sleep(Time_interval * time.Second)
	}
}

/*主入口*/
func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())

	//指定是否控製台打印，默認為true
	logger.SetConsole(true)

	//指定日誌級別  ALL，DEBUG，INFO，WARN，ERROR，FATAL，OFF 級別由低到高
	logger.SetLevel(logger.INFO)
	logger.SetRollingFile("./log", "datapostlog.log", 100, 50, logger.MB)

	if beego.AppConfig.String("runmode") == "dev" {
		orm.Debug = true
	}

	//支持異構版本升級
	pipe.Upgrade()
	time.Sleep(3 * time.Second)

	//配置文件初始化
	err := pipe.InitFile()
	if err != nil {
		logger.Error("InitFile():", err)
	}

	//注冊運行服務
	ServiceHandle(cSvcName, cSvcName, cSvcName, func() {
		//初始化運行參數
		pipe.InitConfigMap()

		//運行參數管理UI服務
		beego.Router("/", &pipe.IndexInfo{}, "*:Index")
		beego.Router("/index/list", &pipe.IndexInfo{}, "*:List")
		beego.Router("/index/edit", &pipe.IndexInfo{}, "*:Edit")
		beego.Router("/index/test", &pipe.IndexInfo{}, "*:Test")
		beego.Router("/index/help", &pipe.IndexInfo{}, "*:Help")
		beego.Router("/index/treedata", &pipe.IndexInfo{}, "*:TreeData")

		//啟動數據同步
		go pipe.StartAllSys()

		//啟動https服務
		go pipe.Https_start()

		//啟動參數管理UI 服務
		beego.Run()
		logger.Info("DaemonName=", cSvcName, "Daemon started.")
		for {
			time.Sleep(time.Hour)
		}
	}, func() {
		Stop()
		logger.Info("DaemonName=", cSvcName, "Daemon stoped.")
	})
}

func (p *Workshop) GC() {
	runtime.ReadMemStats(&(p.ms))
	alloc := p.ms.Alloc / 1024 / 1024
	logger.Info("memAlloc: ", alloc, "M heapAlloc: ", p.ms.HeapAlloc/1024/1024, "M, stackAlloc: ", p.ms.StackInuse/1024/1024, "M")
	if alloc >= p.memLimit {
		debug.FreeOSMemory()
		runtime.ReadMemStats(&(p.ms))
		alloc = p.ms.Alloc / 1024 / 1024
		logger.Info("after GC  memAlloc: ", alloc, "M heapAlloc: ", p.ms.HeapAlloc/1024/1024, "M, stackAlloc: ", p.ms.StackInuse/1024/1024, "M")
	}
}

func (protocol *TransProtocolComm) Decode_pack(data []byte) (*Packet, int) {
	log.Info("Enter Decode_pack")
	decodeLen := 0
	pack := &Packet{}
	dataLen := len(data)
	offset := 0
	headLen := binary.Size(pack._header)
	//1.get packhader
	//= not cause out of memory so >= is needed
	for offset = 0; dataLen-offset >= headLen; offset++ {
		pack._header._ver = int16(binary.BigEndian.Uint16(data[offset : offset+2]))
		pack._header._seq = int32(binary.BigEndian.Uint32(data[offset+2 : offset+6]))
		pack._header._type = int16(binary.BigEndian.Uint16(data[offset+6 : offset+8]))
		pack._header._bodyLen = int32(binary.BigEndian.Uint32(data[offset+8 : offset+12]))
		//get pack header successful
		if int16(VER) == pack._header._ver && pack._header._bodyLen < int32(MAX_PACK_SIZE) {
			break
		}
	}
	//2.check is a complete Packet
	if dataLen-offset < headLen || dataLen-offset < int(pack._header._bodyLen) {
		//can't find VER in data Slice or is not a complete pack.
		log.Error("[PACK_NOT_COMPLETE],pack bodyLen is", pack._header._bodyLen)
		return nil, 0
	}

	//3.get a complete pack
	pack._data = make([]byte, pack._header._bodyLen)
	copy(pack._data, data[offset:])
	decodeLen = offset + headLen + int(pack._header._bodyLen)
	return pack, decodeLen
}

/*啟動所有配置信息*/
func StartAllSys() {
	dirs := strings.Split(ConfigMap["transferes"], ",")
	nosqlDir := ConfigMap["nosql"]
	logger.Info("nosqlDir  >>>>>>>>>>>>>>>>", nosqlDir)
	StartFlag = true
	//nosql目錄
	if len(nosqlDir) > 0 {
		noSqlDbIni := GetSysIni(nosqlDir)
		noSqlDbIni.RegisterSys()
		go noSqlDbIni.StartNoSqlSys()
	}
	for i := range dirs {
		dirName := dirs[i]
		if len(dirName) > 0 {
			sysIni := GetSysIni(dirName)
			if i == 0 {
				go sysIni.StdOrgSync()
			}
			//非nosql目錄
			sysIni.RegisterSys()
			go sysIni.StartSys()
		}
	}

	for {
		time.Sleep(2 * time.Second)
	}
}

func log(i int) {
	logger.Debug("Debug>>>>>>>>>>>>>>>>>>>>>>" + strconv.Itoa(i))
	logger.Info("Info>>>>>>>>>>>>>>>>>>>>>>>>>" + strconv.Itoa(i))
	logger.Warn("Warn>>>>>>>>>>>>>>>>>>>>>>>>>" + strconv.Itoa(i))
	logger.Error("Error>>>>>>>>>>>>>>>>>>>>>>>>>" + strconv.Itoa(i))
	logger.Fatal("Fatal>>>>>>>>>>>>>>>>>>>>>>>>>" + strconv.Itoa(i))
}

func StopWorkShop() error {
	WSChan_ <- CMD_EXIT
StopWorkShop_LOOP:
	for {
		select {
		case ret := <-WSReportChan_:
			if ret == RET_EXIT_SUCCESS {
				logger.Info("workshop exit success")
			} else {
				logger.Info("workshop exit fail")
			}
		}
		break StopWorkShop_LOOP
	}
	return nil
}

/*判斷是否需要查詢數據*/
func Check(dbIni *DBini, xmlInfo *XmlInfo) {
	if strings.EqualFold(xmlInfo.IsValData, "true") {
		xmlInfo.CheckFlag = true
		return
	}
	if len(xmlInfo.CheckRowSQL) > 0 {
		defer func() {
			if err := recover(); err != nil {
				logger.Error("查詢數據庫失敗", err)
			}
		}()
		f_pwd, _ := Base64Dec(dbIni.F_Password)
		dbIni.F_Db.Db_open(dbIni.F_DbType, dbIni.F_User, f_pwd, dbIni.F_Ip, dbIni.F_Port, dbIni.F_Dbname)
		defer dbIni.F_Db.db.Close()
		query, err := dbIni.F_Db.db.Query(strings.Replace(xmlInfo.CheckRowSQL, "@[dbname]", dbIni.F_Dbname, -1)) //查詢數據庫
		defer query.Close()

		if err != nil {
			logger.Error("查詢數據庫失敗", err.Error())
			xmlInfo.CheckFlag = false
			panic(err)
			return
		}
		cols, _ := query.Columns()
		values := make([][]byte, len(cols))     //values是每個列的值
		scans := make([]interface{}, len(cols)) //query.Scan的參數 用len(cols)定住當次查詢的長度
		for i := range values {                 //讓每一行數據都填充到[][]byte裏麵
			scans[i] = &values[i]
		}
		dbRows := 0
		if query.Next() {
			//判斷是否與上次的數據一致，如果不一致則查詢數據庫，否則不查詢
			if err := query.Scan(scans...); err != nil { //query.Scan查詢出來的不定長值放到scans[i] = &values[i],也就是每行都放在values裏
				logger.Error(err)
				xmlInfo.CheckFlag = false
				return
			}
			for _, v := range values {
				intV, err := strconv.Atoi(string(v))
				if err != nil {
					xmlInfo.CheckFlag = false
				} else {
					dbRows = intV
				}
			}
			if dbRows != 0 && dbRows != xmlInfo.RowNum { //獲取reader 如何獲取到數據則置為0，如果獲取不到了則賦予全局GobalNum
				xmlInfo.RowNum = dbRows
				xmlInfo.GobalNum = dbRows
				xmlInfo.CheckFlag = true
			} else {
				xmlInfo.CheckFlag = false
			}
		} else {
			xmlInfo.CheckFlag = true
		}
	} else {
		logger.Info(xmlInfo.Remark, "無需查詢係統庫行記錄是否變化")
		xmlInfo.CheckFlag = true
	}
}

/*啟動*/
func (sys *SysIni) StartSys() {
	fmt.Println("SysIni is start................")
	StartFlag = true
	if StartFlag { //判斷標記位並增加標記位
		for i := range sys.xmlInfoes {
			Alter(&sys.dbini, &sys.xmlInfoes[i])
			logger.Info("Alter >>>>>>>>>>>>>>>>:", i)
		}
	}
	logger.Info("StartSys >>>>>>>>>>>>>>>>goto for ")
	//單次同步
	c := cron.New()
	c.Start()
	defer c.Stop()
	fmt.Println("singletimer>>>>", sys.configInfo.singletimer)

	//單次同步
	for j := range sys.singleXmlInfoes {
		go func(sys *SysIni, j int) {
			singleXmlInfo := sys.singleXmlInfoes[j]
			c.AddFunc(sys.configInfo.singletimer,
				func() {
					logger.Info("single[", singleXmlInfo.FileName, "] job is run ......................")
					singleXmlInfo.RunSingleDataPipe(&sys.dbini)
				},
				singleXmlInfo.FileName)
		}(sys, j)
	}
	//實時同步
	for StartFlag {
		//邊讀邊寫，更新
		for i := range sys.xmlInfoes {
			//logger.Info("sys.xmlInfoes[i].NotExistData >>>>>>>>>>>>>>>>", sys.xmlInfoes[i].Remark, sys.xmlInfoes[i].NotExistData)
			if sys.xmlInfoes[i].NotExistData {
				Check(&sys.dbini, &sys.xmlInfoes[i])
			}
			if sys.xmlInfoes[i].CheckFlag {
				sys.xmlInfoes[i].RunDataPipe(&sys.dbini)
			}
		}
		time.Sleep(2 * time.Second)
	}
}

/*執行數據同步*/
func (xmlInfo *XmlInfo) Run(dbIni *DBini) {
	logger.Info("All run begin >>>>>>>>>>>>>>>>")
	f_pwd, _ := Base64Dec(dbIni.F_Password)
	t_pwd, _ := Base64Dec(dbIni.T_Password)
	dbIni.F_Db.Db_open(dbIni.F_DbType, dbIni.F_User, f_pwd, dbIni.F_Ip, dbIni.F_Port, dbIni.F_Dbname)
	dbIni.T_Db.Db_open(dbIni.T_DbType, dbIni.T_User, t_pwd, dbIni.T_Ip, dbIni.T_Port, dbIni.T_Dbname)
	//關閉數據庫
	defer dbIni.F_Db.db.Close()
	defer dbIni.T_Db.db.Close()

	if dbIni.F_Db.db == nil || dbIni.T_Db.db == nil {
		logger.Error("無法鏈接兩方數據庫")
		return
	}
	Reader(dbIni, xmlInfo)
	Writer(dbIni, xmlInfo)
	Updater(dbIni, xmlInfo)
	logger.Info("All run end >>>>>>>>>>>>>>>>")
	time.Sleep(5 * time.Second)
}

/*訪問數據庫獲取數據*/
func Reader(dbIni *DBini, xmlInfo *XmlInfo) {
	logger.Info("***************************")
	logger.Info("Reader begin >>>>>>>>>>>>>>>>")
	query, err := dbIni.F_Db.db.Query(xmlInfo.DataSQL) //查詢數據庫
	if err != nil {
		logger.Error("查詢數據庫失敗", err.Error())
		return
	}
	defer query.Close()
	cols, _ := query.Columns()
	values := make([][]byte, len(cols))     //values是每個列的值
	scans := make([]interface{}, len(cols)) //query.Scan的參數 用len(cols)定住當次查詢的長度
	for i := range values {                 //讓每一行數據都填充到[][]byte裏麵
		scans[i] = &values[i]
	}
	results := make(map[int]map[string]string) //最後得到的map
	i := 0
	for query.Next() { //循環
		if err := query.Scan(scans...); err != nil { //query.Scan查詢出來的不定長值放到scans[i] = &values[i],也就是每行都放在values裏
			logger.Error(err)
			return
		}
		row := make(map[string]string) //每行數據
		for k, v := range values {
			key := cols[k]
			row[key] = string(v)
		}
		results[i] = row //裝入結果集中
		i++
	}
	if i == 0 {
		xmlInfo.RowNum = xmlInfo.GobalNum
	} else {
		xmlInfo.RowNum = 0
	}
	xmlInfo.Datas = results
	xmlInfo.Columns = cols
	logger.Info("Reader end >>>>>>>>>>>>>>>>")
}