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Golang nsq.IsValidChannelName函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/bitly/nsq/nsq.IsValidChannelName函数的典型用法代码示例。如果您正苦于以下问题：Golang IsValidChannelName函数的具体用法？Golang IsValidChannelName怎么用？Golang IsValidChannelName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IsValidChannelName函数的7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: TestChannelTopicNames

// test channel/topic names
func TestChannelTopicNames(t *testing.T) {
	assert.Equal(t, nsq.IsValidChannelName("test"), true)
	assert.Equal(t, nsq.IsValidChannelName("test-with_period."), true)
	assert.Equal(t, nsq.IsValidChannelName("test#ephemeral"), true)
	assert.Equal(t, nsq.IsValidTopicName("test"), true)
	assert.Equal(t, nsq.IsValidTopicName("test-with_period."), true)
	assert.Equal(t, nsq.IsValidTopicName("test#ephemeral"), false)
	assert.Equal(t, nsq.IsValidTopicName("test:ephemeral"), false)
}
开发者ID:datastream，项目名称:nsq，代码行数:10，代码来源:protocol_v2_test.go


示例2: getTopicChan

func getTopicChan(command string, params []string) (string, string, error) {
	if len(params) == 0 {
		return "", "", nsq.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("%s insufficient number of params", command))
	}

	topicName := params[0]
	var channelName string
	if len(params) >= 2 {
		channelName = params[1]
	}

	if !nsq.IsValidTopicName(topicName) {
		return "", "", nsq.NewFatalClientErr(nil, "E_BAD_TOPIC", fmt.Sprintf("%s topic name '%s' is not valid", command, topicName))
	}

	if channelName != "" && !nsq.IsValidChannelName(channelName) {
		return "", "", nsq.NewFatalClientErr(nil, "E_BAD_CHANNEL", fmt.Sprintf("%s channel name '%s' is not valid", command, channelName))
	}

	return topicName, channelName, nil
}
开发者ID:datastream，项目名称:nsq，代码行数:21，代码来源:lookup_protocol_v1.go


示例3: GetTopicChannelArgs

func GetTopicChannelArgs(rp Getter) (string, string, error) {
	topicName, err := rp.Get("topic")
	if err != nil {
		return "", "", errors.New("MISSING_ARG_TOPIC")
	}

	if !nsq.IsValidTopicName(topicName) {
		return "", "", errors.New("INVALID_ARG_TOPIC")
	}

	channelName, err := rp.Get("channel")
	if err != nil {
		return "", "", errors.New("MISSING_ARG_CHANNEL")
	}

	if !nsq.IsValidChannelName(channelName) {
		return "", "", errors.New("INVALID_ARG_CHANNEL")
	}

	return topicName, channelName, nil
}
开发者ID:johnvilsack，项目名称:golang-stuff，代码行数:21，代码来源:topic_channel_args.go


示例4: SUB

func (p *ProtocolV2) SUB(client *ClientV2, params [][]byte) ([]byte, error) {
	if atomic.LoadInt32(&client.State) != nsq.StateInit {
		return nil, nsq.NewFatalClientErr(nil, "E_INVALID", "cannot SUB in current state")
	}

	if client.HeartbeatInterval < 0 {
		return nil, nsq.NewFatalClientErr(nil, "E_INVALID", "cannot SUB with heartbeats disabled")
	}

	if len(params) < 3 {
		return nil, nsq.NewFatalClientErr(nil, "E_INVALID", "SUB insufficient number of parameters")
	}

	topicName := string(params[1])
	if !nsq.IsValidTopicName(topicName) {
		return nil, nsq.NewFatalClientErr(nil, "E_BAD_TOPIC",
			fmt.Sprintf("SUB topic name '%s' is not valid", topicName))
	}

	channelName := string(params[2])
	if !nsq.IsValidChannelName(channelName) {
		return nil, nsq.NewFatalClientErr(nil, "E_BAD_CHANNEL",
			fmt.Sprintf("SUB channel name '%s' is not valid", channelName))
	}

	topic := nsqd.GetTopic(topicName)
	channel := topic.GetChannel(channelName)
	channel.AddClient(client)

	atomic.StoreInt32(&client.State, nsq.StateSubscribed)
	client.Channel = channel
	// update message pump
	client.SubEventChan <- channel

	return okBytes, nil
}
开发者ID:syshack，项目名称:nsq，代码行数:36，代码来源:protocol_v2.go


示例5: createTopicChannelHandler

func createTopicChannelHandler(w http.ResponseWriter, req *http.Request) {
	if req.Method != "POST" {
		log.Printf("ERROR: invalid %s to POST only method", req.Method)
		http.Error(w, "INVALID_REQUEST", 500)
		return
	}
	reqParams := &util.PostParams{req}

	topicName, err := reqParams.Get("topic")
	if err != nil || !nsq.IsValidTopicName(topicName) {
		http.Error(w, "INVALID_TOPIC", 500)
		return
	}

	channelName, err := reqParams.Get("channel")
	if err != nil || (len(channelName) > 0 && !nsq.IsValidChannelName(channelName)) {
		http.Error(w, "INVALID_CHANNEL", 500)
		return
	}

	for _, addr := range lookupdHTTPAddrs {
		endpoint := fmt.Sprintf("http://%s/create_topic?topic=%s", addr, url.QueryEscape(topicName))
		log.Printf("LOOKUPD: querying %s", endpoint)
		_, err := nsq.ApiRequest(endpoint)
		if err != nil {
			log.Printf("ERROR: lookupd %s - %s", endpoint, err.Error())
			continue
		}
	}

	NotifyAdminAction("create_topic", topicName, "", req)

	if len(channelName) > 0 {
		for _, addr := range lookupdHTTPAddrs {
			endpoint := fmt.Sprintf("http://%s/create_channel?topic=%s&channel=%s",
				addr, url.QueryEscape(topicName), url.QueryEscape(channelName))
			log.Printf("LOOKUPD: querying %s", endpoint)
			_, err := nsq.ApiRequest(endpoint)
			if err != nil {
				log.Printf("ERROR: lookupd %s - %s", endpoint, err.Error())
				continue
			}
		}

		// TODO: we can remove this when we push new channel information from nsqlookupd -> nsqd
		producers, _ := getLookupdTopicProducers(topicName, lookupdHTTPAddrs)
		for _, addr := range producers {
			endpoint := fmt.Sprintf("http://%s/create_channel?topic=%s&channel=%s",
				addr, url.QueryEscape(topicName), url.QueryEscape(channelName))
			log.Printf("NSQD: querying %s", endpoint)
			_, err := nsq.ApiRequest(endpoint)
			if err != nil {
				log.Printf("ERROR: nsqd %s - %s", endpoint, err.Error())
				continue
			}
		}
		NotifyAdminAction("create_channel", topicName, channelName, req)
	}

	http.Redirect(w, req, "/lookup", 302)
}
开发者ID:jmanero，项目名称:nsq，代码行数:61，代码来源:http.go


示例6: topicHandler

func topicHandler(w http.ResponseWriter, req *http.Request) {
	var urlRegex = regexp.MustCompile(`^/topic/(.*)$`)
	matches := urlRegex.FindStringSubmatch(req.URL.Path)
	if len(matches) == 0 {
		http.Error(w, "INVALID_TOPIC", 500)
		return
	}
	parts := strings.Split(matches[1], "/")
	topicName := parts[0]
	if !nsq.IsValidTopicName(topicName) {
		http.Error(w, "INVALID_TOPIC", 500)
		return
	}
	if len(parts) == 2 {
		channelName := parts[1]
		if !nsq.IsValidChannelName(channelName) {
			http.Error(w, "INVALID_CHANNEL", 500)
		} else {
			channelHandler(w, req, topicName, channelName)
		}
		return
	}

	reqParams, err := util.NewReqParams(req)
	if err != nil {
		log.Printf("ERROR: failed to parse request params - %s", err.Error())
		http.Error(w, "INVALID_REQUEST", 500)
		return
	}

	var producers []string
	if len(lookupdHTTPAddrs) != 0 {
		producers, _ = getLookupdTopicProducers(topicName, lookupdHTTPAddrs)
	} else {
		producers, _ = getNSQDTopicProducers(topicName, nsqdHTTPAddrs)
	}
	topicHostStats, channelStats, _ := getNSQDStats(producers, topicName)

	globalTopicStats := &TopicHostStats{HostAddress: "Total"}
	for _, t := range topicHostStats {
		globalTopicStats.AddHostStats(t)
	}

	p := struct {
		Title            string
		GraphOptions     *GraphOptions
		Version          string
		Topic            string
		TopicProducers   []string
		TopicHostStats   []*TopicHostStats
		GlobalTopicStats *TopicHostStats
		ChannelStats     map[string]*ChannelStats
	}{
		Title:            fmt.Sprintf("NSQ %s", topicName),
		GraphOptions:     NewGraphOptions(w, req, reqParams),
		Version:          util.BINARY_VERSION,
		Topic:            topicName,
		TopicProducers:   producers,
		TopicHostStats:   topicHostStats,
		GlobalTopicStats: globalTopicStats,
		ChannelStats:     channelStats,
	}
	err = templates.ExecuteTemplate(w, "topic.html", p)
	if err != nil {
		log.Printf("Template Error %s", err.Error())
		http.Error(w, "Template Error", 500)
	}
}
开发者ID:jmanero，项目名称:nsq，代码行数:68，代码来源:http.go


示例7: LoadMetadata

func (n *NSQd) LoadMetadata() {
	fn := fmt.Sprintf(path.Join(n.options.dataPath, "nsqd.%d.dat"), n.workerId)
	data, err := ioutil.ReadFile(fn)
	if err != nil {
		if !os.IsNotExist(err) {
			log.Printf("ERROR: failed to read channel metadata from %s - %s", fn, err.Error())
		}
		return
	}

	js, err := simplejson.NewJson(data)
	if err != nil {
		log.Printf("ERROR: failed to parse metadata - %s", err.Error())
		return
	}

	topics, err := js.Get("topics").Array()
	if err != nil {
		log.Printf("ERROR: failed to parse metadata - %s", err.Error())
		return
	}

	for ti := range topics {
		topicJs := js.Get("topics").GetIndex(ti)

		topicName, err := topicJs.Get("name").String()
		if err != nil {
			log.Printf("ERROR: failed to parse metadata - %s", err.Error())
			return
		}
		if !nsq.IsValidTopicName(topicName) {
			log.Printf("WARNING: skipping creation of invalid topic %s", topicName)
			continue
		}
		topic := n.GetTopic(topicName)

		channels, err := topicJs.Get("channels").Array()
		if err != nil {
			log.Printf("ERROR: failed to parse metadata - %s", err.Error())
			return
		}

		for ci := range channels {
			channelJs := topicJs.Get("channels").GetIndex(ci)

			channelName, err := channelJs.Get("name").String()
			if err != nil {
				log.Printf("ERROR: failed to parse metadata - %s", err.Error())
				return
			}
			if !nsq.IsValidChannelName(channelName) {
				log.Printf("WARNING: skipping creation of invalid channel %s", channelName)
				continue
			}
			channel := topic.GetChannel(channelName)

			paused, _ := channelJs.Get("paused").Bool()
			if paused {
				channel.Pause()
			}
		}
	}
}
开发者ID:newsky，项目名称:nsq，代码行数:63，代码来源:nsqd.go



注：本文中的github.com/bitly/nsq/nsq.IsValidChannelName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。

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Golang nsq.IsValidTopicName函数代码示例发布时间：2022-05-24
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