Golang log4go.Error函数代码示例

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本文整理汇总了Golang中github.com/alecthomas/log4go.Error函数的典型用法代码示例。如果您正苦于以下问题：Golang Error函数的具体用法？Golang Error怎么用？Golang Error使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了Error函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: InitZK

func InitZK() (*zk.Conn, error) {
	conn, err := myzk.Connect(Conf.ZookeeperAddr, Conf.ZookeeperTimeout)
	if err != nil {
		log.Error("myzk.Connect() error(%v)", err)
		return nil, err
	}
	fpath := path.Join(Conf.ZookeeperCometPath, Conf.ZookeeperCometNode)
	if err = myzk.Create(conn, fpath); err != nil {
		log.Error("myzk.Create(conn,\"%s\",\"\") error(%v)", fpath, err)
		return conn, err
	}
	// comet tcp, websocket and rpc bind address store in the zk
	nodeInfo := &rpc.CometNodeInfo{}
	nodeInfo.RpcAddr = Conf.RPCBind
	nodeInfo.TcpAddr = Conf.TCPBind
	nodeInfo.WsAddr = Conf.WebsocketBind
	nodeInfo.Weight = Conf.ZookeeperCometWeight
	data, err := json.Marshal(nodeInfo)
	if err != nil {
		log.Error("json.Marshal() error(%v)", err)
		return conn, err
	}
	log.Debug("myzk node:\"%s\" registe data: \"%s\"", fpath, string(data))
	if err = myzk.RegisterTemp(conn, fpath, data); err != nil {
		log.Error("myzk.RegisterTemp() error(%v)", err)
		return conn, err
	}
	// watch and update
	rpc.InitMessage(conn, Conf.ZookeeperMessagePath, Conf.RPCRetry, Conf.RPCPing)
	return conn, nil
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:31，代码来源:zk.go

示例2: generateThumbnailImage

func generateThumbnailImage(img image.Image, thumbnailPath string, width int, height int) {
	thumbWidth := float64(utils.Cfg.FileSettings.ThumbnailWidth)
	thumbHeight := float64(utils.Cfg.FileSettings.ThumbnailHeight)
	imgWidth := float64(width)
	imgHeight := float64(height)

	var thumbnail image.Image
	if imgHeight < thumbHeight && imgWidth < thumbWidth {
		thumbnail = img
	} else if imgHeight/imgWidth < thumbHeight/thumbWidth {
		thumbnail = imaging.Resize(img, 0, utils.Cfg.FileSettings.ThumbnailHeight, imaging.Lanczos)
	} else {
		thumbnail = imaging.Resize(img, utils.Cfg.FileSettings.ThumbnailWidth, 0, imaging.Lanczos)
	}

	buf := new(bytes.Buffer)
	if err := jpeg.Encode(buf, thumbnail, &jpeg.Options{Quality: 90}); err != nil {
		l4g.Error(utils.T("api.file.handle_images_forget.encode_jpeg.error"), thumbnailPath, err)
		return
	}

	if err := WriteFile(buf.Bytes(), thumbnailPath); err != nil {
		l4g.Error(utils.T("api.file.handle_images_forget.upload_thumb.error"), thumbnailPath, err)
		return
	}
}

开发者ID:Rudloff，项目名称:platform，代码行数:26，代码来源:file.go

示例3: parseCmd

// parseCmd parse the tcp request command.
func parseCmd(rd *bufio.Reader) ([]string, error) {
	// get argument number
	argNum, err := parseCmdSize(rd, '*')
	if err != nil {
		log.Error("tcp:cmd format error when find '*' (%v)", err)
		return nil, err
	}
	if argNum < minCmdNum || argNum > maxCmdNum {
		log.Error("tcp:cmd argument number length error")
		return nil, ErrProtocol
	}
	args := make([]string, 0, argNum)
	for i := 0; i < argNum; i++ {
		// get argument length
		cmdLen, err := parseCmdSize(rd, '$')
		if err != nil {
			log.Error("tcp:parseCmdSize(rd, '$') error(%v)", err)
			return nil, err
		}
		// get argument data
		d, err := parseCmdData(rd, cmdLen)
		if err != nil {
			log.Error("tcp:parseCmdData() error(%v)", err)
			return nil, err
		}
		// append args
		args = append(args, string(d))
	}
	return args, nil
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:31，代码来源:pubsub_tcp.go

示例4: Serialize

/**
 * Json的序列化实现
 */
func (self JsonProbe) Serialize(src *VictoriestMsg) ([]byte, error) {
	var v []byte
	var err error

	// vMsg := &VictoriestMsg{MsgType: msgType, MsgContext: src}

	v, err = json.Marshal(src)
	if err != nil {
		log.Error("when Encoding:", err.Error())
		return nil, err
	}

	// 序列化后的bytes长度
	var length int32 = int32(len(v))

	pkg := new(bytes.Buffer)
	// 写入长度信息
	err = binary.Write(pkg, binary.LittleEndian, length)
	if err != nil {
		log.Error("when Write length:", err.Error())
		return nil, err
	}

	// 写入序列化后的对象
	err = binary.Write(pkg, binary.LittleEndian, v)
	if err != nil {
		log.Error("when Serialize:", err.Error())
		return nil, err
	}

	return pkg.Bytes(), nil
}

开发者ID:victoriest，项目名称:point_and_line，代码行数:35，代码来源:json_probe.go

示例5: ListenAndServe

func (s *Server) ListenAndServe() {
	var err error

	s.getAuth()

	s.typesdb, err = collectd.TypesDBFile(s.typesdbpath)
	if err != nil {
		log.Error("CollectdServer: TypesDB: ", err)
		return
	}

	addr, err := net.ResolveUDPAddr("udp4", s.listenAddress)
	if err != nil {
		log.Error("CollectdServer: ResolveUDPAddr: ", err)
		return
	}

	if s.listenAddress != "" {
		s.conn, err = net.ListenUDP("udp", addr)
		if err != nil {
			log.Error("CollectdServer: Listen: ", err)
			return
		}
	}
	defer s.conn.Close()
	s.HandleSocket(s.conn)
}

开发者ID:Wikia，项目名称:influxdb，代码行数:27，代码来源:api.go

示例6: GetPrivate

// GetPrivate implements the Storage GetPrivate method.
func (s *MySQLStorage) GetPrivate(key string, mid int64) ([]*myrpc.Message, error) {
	db := s.getConn(key)
	if db == nil {
		return nil, ErrNoMySQLConn
	}
	now := time.Now().Unix()
	rows, err := db.Query(getPrivateMsgSQL, key, mid)
	if err != nil {
		log.Error("db.Query(\"%s\",\"%s\",%d,now) failed (%v)", getPrivateMsgSQL, key, mid, err)
		return nil, err
	}
	msgs := []*myrpc.Message{}
	for rows.Next() {
		expire := int64(0)
		cmid := int64(0)
		msg := []byte{}
		if err := rows.Scan(&cmid, &expire, &msg); err != nil {
			log.Error("rows.Scan() failed (%v)", err)
			return nil, err
		}
		if now > expire {
			log.Warn("user_key: \"%s\" mid: %d expired", key, cmid)
			continue
		}
		msgs = append(msgs, &myrpc.Message{MsgId: cmid, GroupId: myrpc.PrivateGroupId, Msg: json.RawMessage(msg)})
	}
	return msgs, nil
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:29，代码来源:mysql.go

示例7: watchAndParseTemplates

func watchAndParseTemplates() {

	templatesDir := utils.FindDir("web/templates")
	l4g.Debug("Parsing templates at %v", templatesDir)
	var err error
	if Templates, err = template.ParseGlob(templatesDir + "*.html"); err != nil {
		l4g.Error("Failed to parse templates %v", err)
	}

	watcher, err := fsnotify.NewWatcher()
	if err != nil {
		l4g.Error("Failed to create directory watcher %v", err)
	}

	go func() {
		for {
			select {
			case event := <-watcher.Events:
				if event.Op&fsnotify.Write == fsnotify.Write {
					l4g.Info("Re-parsing templates because of modified file %v", event.Name)
					if Templates, err = template.ParseGlob(templatesDir + "*.html"); err != nil {
						l4g.Error("Failed to parse templates %v", err)
					}
				}
			case err := <-watcher.Errors:
				l4g.Error("Failed in directory watcher %v", err)
			}
		}
	}()

	err = watcher.Add(templatesDir)
	if err != nil {
		l4g.Error("Failed to add directory to watcher %v", err)
	}
}

开发者ID:rosskusler，项目名称:platform，代码行数:35，代码来源:web.go

示例8: clean

// DelMulti implements the Storage DelMulti method.
func (s *RedisStorage) clean() {
	for {
		info := <-s.delCH
		conn := s.getConn(info.Key)
		if conn == nil {
			log.Warn("get redis connection nil")
			continue
		}
		for _, mid := range info.MIds {
			if err := conn.Send("ZREMRANGEBYSCORE", info.Key, mid, mid); err != nil {
				log.Error("conn.Send(\"ZREMRANGEBYSCORE\", \"%s\", %d, %d) error(%v)", info.Key, mid, mid, err)
				conn.Close()
				continue
			}
		}
		if err := conn.Flush(); err != nil {
			log.Error("conn.Flush() error(%v)", err)
			conn.Close()
			continue
		}
		for _, _ = range info.MIds {
			_, err := conn.Receive()
			if err != nil {
				log.Error("conn.Receive() error(%v)", err)
				conn.Close()
				continue
			}
		}
		conn.Close()
	}
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:32，代码来源:redis.go

示例9: NewRedisStorage

// NewRedis initialize the redis pool and consistency hash ring.
func NewRedisStorage() *RedisStorage {
	redisPool := map[string]*redis.Pool{}
	ring := ketama.NewRing(ketamaBase)
	reg := regexp.MustCompile("(.+)@(.+)#(.+)|(.+)@(.+)")
	for n, addr := range Conf.RedisSource {
		nw := strings.Split(n, ":")
		if len(nw) != 2 {
			err := errors.New("node config error, it's nodeN:W")
			log.Error("strings.Split(\"%s\", :) failed (%v)", n, err)
			panic(err)
		}
		w, err := strconv.Atoi(nw[1])
		if err != nil {
			log.Error("strconv.Atoi(\"%s\") failed (%v)", nw[1], err)
			panic(err)
		}
		// get protocol and addr
		pw := reg.FindStringSubmatch(addr)
		if len(pw) < 6 {
			log.Error("strings.regexp(\"%s\", \"%s\") failed (%v)", addr, pw)
			panic(fmt.Sprintf("config redis.source node:\"%s\" format error", addr))
		}
		tmpProto := ""
		tmpAddr := ""
		if pw[1] != "" {
			tmpProto = pw[1]
		} else {
			tmpProto = pw[4]
		}
		if pw[2] != "" {
			tmpAddr = pw[2]
		} else {
			tmpAddr = pw[5]
		}

		// WARN: closures use
		redisPool[nw[0]] = &redis.Pool{
			MaxIdle:     Conf.RedisMaxIdle,
			MaxActive:   Conf.RedisMaxActive,
			IdleTimeout: Conf.RedisIdleTimeout,
			Dial: func() (redis.Conn, error) {
				conn, err := redis.Dial(tmpProto, tmpAddr)
				if err != nil {
					log.Error("redis.Dial(\"%s\", \"%s\") error(%v)", tmpProto, tmpAddr, err)
					return nil, err
				}
				if pw[3] != "" {
					conn.Do("AUTH", pw[3])
				}
				return conn, err
			},
		}
		// add node to ketama hash
		ring.AddNode(nw[0], w)
	}
	ring.Bake()
	s := &RedisStorage{pool: redisPool, ring: ring, delCH: make(chan *RedisDelMessage, 10240)}
	go s.clean()
	return s
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:61，代码来源:redis.go

示例10: handleConnection

func (self *ProtobufServer) handleConnection(conn net.Conn) {
	log.Info("ProtobufServer: client connected: %s", conn.RemoteAddr().String())

	message := make([]byte, 0, MAX_REQUEST_SIZE)
	buff := bytes.NewBuffer(message)
	var messageSizeU uint32
	for {
		err := binary.Read(conn, binary.LittleEndian, &messageSizeU)
		if err != nil {
			log.Error("Error reading from connection (%s): %s", conn.RemoteAddr().String(), err)
			self.connectionMapLock.Lock()
			delete(self.connectionMap, conn)
			self.connectionMapLock.Unlock()
			conn.Close()
			return
		}

		messageSize := int64(messageSizeU)
		if messageSize > MAX_REQUEST_SIZE {
			err = self.handleRequestTooLarge(conn, messageSize)
		} else {
			err = self.handleRequest(conn, messageSize, buff)
		}

		if err != nil {
			log.Error("Error, closing connection: %s", err)
			self.connectionMapLock.Lock()
			delete(self.connectionMap, conn)
			self.connectionMapLock.Unlock()
			conn.Close()
			return
		}
		buff.Reset()
	}
}

开发者ID:Wikia，项目名称:influxdb，代码行数:35，代码来源:protobuf_server.go

示例11: HandleWrite

// HandleWrite start a goroutine get msg from chan, then send to the conn.
func (c *Connection) HandleWrite(key string) {
	go func() {
		var (
			n   int
			err error
		)
		log.Debug("user_key: \"%s\" HandleWrite goroutine start", key)
		for {
			msg, ok := <-c.Buf
			if !ok {
				log.Debug("user_key: \"%s\" HandleWrite goroutine stop", key)
				return
			}
			if c.Proto == WebsocketProto {
				// raw
				n, err = c.Conn.Write(msg)
			} else if c.Proto == TCPProto {
				// redis protocol
				msg = []byte(fmt.Sprintf("$%d\r\n%s\r\n", len(msg), string(msg)))
				n, err = c.Conn.Write(msg)
			} else {
				log.Error("unknown connection protocol: %d", c.Proto)
				panic(ErrConnProto)
			}
			// update stat
			if err != nil {
				log.Error("user_key: \"%s\" conn.Write() error(%v)", key, err)
				MsgStat.IncrFailed(1)
			} else {
				log.Debug("user_key: \"%s\" write \r\n========%s(%d)========", key, string(msg), n)
				MsgStat.IncrSucceed(1)
			}
		}
	}()
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:36，代码来源:conn.go

示例12: doLoadChannel

func doLoadChannel(c *api.Context, w http.ResponseWriter, r *http.Request, team *model.Team, channel *model.Channel, postid string) {
	userChan := api.Srv.Store.User().Get(c.Session.UserId)
	prefChan := api.Srv.Store.Preference().GetAll(c.Session.UserId)

	var user *model.User
	if ur := <-userChan; ur.Err != nil {
		c.Err = ur.Err
		c.RemoveSessionCookie(w, r)
		l4g.Error(utils.T("web.do_load_channel.error"), c.Session.UserId)
		return
	} else {
		user = ur.Data.(*model.User)
	}

	var preferences model.Preferences
	if result := <-prefChan; result.Err != nil {
		l4g.Error("Error in getting preferences for id=%v", c.Session.UserId)
	} else {
		preferences = result.Data.(model.Preferences)
	}

	page := NewHtmlTemplatePage("channel", "", c.Locale)
	page.Props["Title"] = channel.DisplayName + " - " + team.DisplayName + " " + page.ClientCfg["SiteName"]
	page.Props["TeamDisplayName"] = team.DisplayName
	page.Props["ChannelName"] = channel.Name
	page.Props["ChannelId"] = channel.Id
	page.Props["PostId"] = postid
	page.Team = team
	page.User = user
	page.Channel = channel
	page.Preferences = &preferences
	page.Render(c, w)
}

开发者ID:sugaofeng，项目名称:platform，代码行数:33，代码来源:web.go

示例13: watchAndParseTemplates

func watchAndParseTemplates() {

	templatesDir := utils.FindDir("web/templates")
	l4g.Debug(utils.T("web.parsing_templates.debug"), templatesDir)
	var err error
	if Templates, err = template.ParseGlob(templatesDir + "*.html"); err != nil {
		l4g.Error(utils.T("web.parsing_templates.error"), err)
	}

	watcher, err := fsnotify.NewWatcher()
	if err != nil {
		l4g.Error(utils.T("web.create_dir.error"), err)
	}

	go func() {
		for {
			select {
			case event := <-watcher.Events:
				if event.Op&fsnotify.Write == fsnotify.Write {
					l4g.Info(utils.T("web.reparse_templates.info"), event.Name)
					if Templates, err = template.ParseGlob(templatesDir + "*.html"); err != nil {
						l4g.Error(utils.T("web.parsing_templates.error"), err)
					}
				}
			case err := <-watcher.Errors:
				l4g.Error(utils.T("web.dir_fail.error"), err)
			}
		}
	}()

	err = watcher.Add(templatesDir)
	if err != nil {
		l4g.Error(utils.T("web.watcher_fail.error"), err)
	}
}

开发者ID:sugaofeng，项目名称:platform，代码行数:35，代码来源:web.go

示例14: PostUpdateChannelHeaderMessageAndForget

func PostUpdateChannelHeaderMessageAndForget(c *Context, channelId string, oldChannelHeader, newChannelHeader string) {
	go func() {
		uc := Srv.Store.User().Get(c.Session.UserId)

		if uresult := <-uc; uresult.Err != nil {
			l4g.Error("Failed to retrieve user while trying to save update channel header message %v", uresult.Err)
			return
		} else {
			user := uresult.Data.(*model.User)

			var message string
			if oldChannelHeader == "" {
				message = fmt.Sprintf("%s updated the channel header to: %s", user.Username, newChannelHeader)
			} else if newChannelHeader == "" {
				message = fmt.Sprintf("%s removed the channel header (was: %s)", user.Username, oldChannelHeader)
			} else {
				message = fmt.Sprintf("%s updated the channel header from: %s to: %s", user.Username, oldChannelHeader, newChannelHeader)
			}

			post := &model.Post{
				ChannelId: channelId,
				Message:   message,
				Type:      model.POST_HEADER_CHANGE,
			}
			if _, err := CreatePost(c, post, false); err != nil {
				l4g.Error("Failed to post join/leave message %v", err)
			}
		}
	}()
}

开发者ID:marslabtron，项目名称:platform，代码行数:30，代码来源:channel.go

示例15: Serialize

/**
 * param  : src    - 需要序列化的参数
 *          msgType- 需要序列化的对象标识
 * return : []byte - 序列化后的byte数组
 *          error  - 错误信息, 如果成功则为nil
 */
func (self ProtobufProbe) Serialize(src *protocol.MobileSuiteModel) ([]byte, error) {
	var v []byte
	var err error

	v, err = proto.Marshal(src)
	if err != nil {
		log.Error("when encoding:", err.Error())
		return nil, err
	}

	var length int32 = int32(len(v))
	pkg := new(bytes.Buffer)

	err = binary.Write(pkg, binary.LittleEndian, length)
	if err != nil {
		log.Error("when write length:", err.Error())
		return nil, err
	}

	err = binary.Write(pkg, binary.LittleEndian, v)
	if err != nil {
		log.Error("when Serialize:", err.Error())
		return nil, err
	}

	return pkg.Bytes(), nil

}

开发者ID:victoriest，项目名称:point_and_line，代码行数:34，代码来源:protobuf_probe.go

示例16: runQuerySpec

// We call this function only if we have a Select query (not continuous) or Delete query
func (self *Coordinator) runQuerySpec(querySpec *parser.QuerySpec, p engine.Processor) error {
	self.expandRegex(querySpec)
	shards, processor, err := self.getShardsAndProcessor(querySpec, p)
	if err != nil {
		return err
	}

	if len(shards) == 0 {
		return processor.Close()
	}

	shardConcurrentLimit := self.config.ConcurrentShardQueryLimit
	if self.shouldQuerySequentially(shards, querySpec) {
		log.Debug("Querying shards sequentially")
		shardConcurrentLimit = 1
	}
	log.Debug("Shard concurrent limit: %d", shardConcurrentLimit)

	mcp := NewMergeChannelProcessor(processor, shardConcurrentLimit)

	go mcp.ProcessChannels()

	if err := self.queryShards(querySpec, shards, mcp); err != nil {
		log.Error("Error while querying shards: %s", err)
		mcp.Close()
		return err
	}

	if err := mcp.Close(); err != nil {
		log.Error("Error while querying shards: %s", err)
		return err
	}

	return processor.Close()
}

开发者ID:Wikia，项目名称:influxdb，代码行数:36，代码来源:coordinator.go

示例17: DeserializeByReader

func (self ProtobufProbe) DeserializeByReader(reader *bufio.Reader) (*protocol.MobileSuiteModel, int32, error) {
	lengthByte, _ := reader.Peek(4)
	lengthBuff := bytes.NewBuffer(lengthByte)
	var length int32
	err := binary.Read(lengthBuff, binary.LittleEndian, &length)
	if err != nil {
		log.Error("when deserializeByReader:", err.Error())
		return nil, -1, err
	}

	if int32(reader.Buffered()) < length+4 {
		log.Error("int32(reader.Buffered()) < length + 4")
		return nil, -1, err
	}

	pack := make([]byte, int(4+length))
	_, err = reader.Read(pack)
	if err != nil {
		log.Error("when deserializeByReader:", err.Error())
		return nil, -1, err
	}
	var dst protocol.MobileSuiteModel
	var msgType int32
	msgType, err = self.Deserialize(pack, &dst)
	log.Debug(length, msgType, dst)
	return &dst, msgType, nil
}

开发者ID:victoriest，项目名称:point_and_line，代码行数:27，代码来源:protobuf_probe.go

示例18: RegisterTemp

// RegisterTmp create a ephemeral node, and watch it, if node droped then send a SIGQUIT to self.
func RegisterTemp(conn *zk.Conn, fpath string, data []byte) error {
	tpath, err := conn.Create(path.Join(fpath)+"/", data, zk.FlagEphemeral|zk.FlagSequence, zk.WorldACL(zk.PermAll))
	if err != nil {
		log.Error("conn.Create(\"%s\", \"%s\", zk.FlagEphemeral|zk.FlagSequence) error(%v)", fpath, string(data), err)
		return err
	}
	log.Debug("create a zookeeper node:%s", tpath)
	// watch self
	go func() {
		for {
			log.Info("zk path: \"%s\" set a watch", tpath)
			exist, _, watch, err := conn.ExistsW(tpath)
			if err != nil {
				log.Error("zk.ExistsW(\"%s\") error(%v)", tpath, err)
				log.Warn("zk path: \"%s\" set watch failed, kill itself", tpath)
				killSelf()
				return
			}
			if !exist {
				log.Warn("zk path: \"%s\" not exist, kill itself", tpath)
				killSelf()
				return
			}
			event := <-watch
			log.Info("zk path: \"%s\" receive a event %v", tpath, event)
		}
	}()
	return nil
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:30，代码来源:zk.go

示例19: NewMySQLStorage

// NewMySQLStorage initialize mysql pool and consistency hash ring.
func NewMySQLStorage() *MySQLStorage {
	dbPool := make(map[string]*sql.DB)
	ring := ketama.NewRing(ketamaBase)
	for n, source := range Conf.MySQLSource {
		nw := strings.Split(n, mysqlSourceSpliter)
		if len(nw) != 2 {
			err := errors.New("node config error, it's nodeN:W")
			log.Error("strings.Split(\"%s\", :) failed (%v)", n, err)
			panic(err)
		}
		w, err := strconv.Atoi(nw[1])
		if err != nil {
			log.Error("strconv.Atoi(\"%s\") failed (%v)", nw[1], err)
			panic(err)
		}
		db, err := sql.Open("mysql", source)
		if err != nil {
			log.Error("sql.Open(\"mysql\", %s) failed (%v)", source, err)
			panic(err)
		}
		dbPool[nw[0]] = db
		ring.AddNode(nw[0], w)
	}
	ring.Bake()
	s := &MySQLStorage{pool: dbPool, ring: ring}
	go s.clean()
	return s
}

开发者ID:Terry-Mao，项目名称:gopush-cluster，代码行数:29，代码来源:mysql.go

示例20: Serialize

// gob的序列化方法实现
func (self GobProbe) Serialize(src *VictoriestMsg) ([]byte, error) {
	// 序列化
	// vMsg := &VictoriestMsg{MsgType: msgType, MsgContext: src}
	buf := new(bytes.Buffer)
	enc := gob.NewEncoder(buf)
	err := enc.Encode(src)
	if err != nil {
		log.Error("when GobProbe.Encoding:", err.Error())
		return nil, err
	}
	v := buf.Bytes()
	// 序列化后的byte长度
	var length int32 = int32(len(v))

	// 将长度信息写入byte数组
	pkg := new(bytes.Buffer)
	err = binary.Write(pkg, binary.LittleEndian, length)
	if err != nil {
		log.Error("when GobProbe.Encoding:", err.Error())
		return nil, err
	}

	// 写入序列化后的对象
	err = binary.Write(pkg, binary.LittleEndian, v)
	if err != nil {
		log.Error("when GobProbe.Encoding:", err.Error())
		return nil, err
	}

	return pkg.Bytes(), nil
}

开发者ID:victoriest，项目名称:point_and_line，代码行数:32，代码来源:gob_probe.go

注：本文中的github.com/alecthomas/log4go.Error函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。