コード例 #1
0
ファイル: http.go プロジェクト: zhangyuchen0411/nsq
func (s *httpServer) indexHandler(w http.ResponseWriter, req *http.Request) {
	reqParams, err := http_api.NewReqParams(req)
	if err != nil {
		s.ctx.nsqadmin.logf("ERROR: failed to parse request params - %s", err)
		http.Error(w, "INVALID_REQUEST", 500)
		return
	}

	var topics []string
	if len(s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses) != 0 {
		topics, _ = lookupd.GetLookupdTopics(s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses)
	} else {
		topics, _ = lookupd.GetNSQDTopics(s.ctx.nsqadmin.opts.NSQDHTTPAddresses)
	}

	p := struct {
		Title        string
		GraphOptions *GraphOptions
		Topics       Topics
		Version      string
	}{
		Title:        "NSQ",
		GraphOptions: NewGraphOptions(w, req, reqParams, s.ctx),
		Topics:       TopicsFromStrings(topics),
		Version:      version.Binary,
	}
	err = templates.T.ExecuteTemplate(w, "index.html", p)
	if err != nil {
		s.ctx.nsqadmin.logf("Template Error %s", err)
		http.Error(w, "Template Error", 500)
	}
}
コード例 #2
0
ファイル: http.go プロジェクト: kevinc0825/nsq
func (s *httpServer) indexHandler(w http.ResponseWriter, req *http.Request, ps httprouter.Params) (interface{}, error) {
	reqParams, err := http_api.NewReqParams(req)
	if err != nil {
		return nil, http_api.Err{400, "INVALID_REQUEST"}
	}

	var topics []string
	if len(s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses) != 0 {
		topics, _ = lookupd.GetLookupdTopics(s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses)
	} else {
		topics, _ = lookupd.GetNSQDTopics(s.ctx.nsqadmin.opts.NSQDHTTPAddresses)
	}

	p := struct {
		Title        string
		GraphOptions *GraphOptions
		Topics       Topics
		Version      string
	}{
		Title:        "NSQ",
		GraphOptions: NewGraphOptions(w, req, reqParams, s.ctx),
		Topics:       TopicsFromStrings(topics),
		Version:      version.Binary,
	}
	err = templates.T.ExecuteTemplate(w, "index.html", p)
	if err != nil {
		s.ctx.nsqadmin.logf("ERROR: executing template - %s", err)
		return nil, http_api.Err{500, "INTERNAL_ERROR"}
	}
	return nil, nil
}
コード例 #3
0
ファイル: nsq_to_file.go プロジェクト: JetQin/nsq
func (t *TopicDiscoverer) syncTopics(addrs []string, pattern string) {
	newTopics, err := lookupd.GetLookupdTopics(addrs)
	if err != nil {
		log.Printf("ERROR: could not retrieve topic list: %s", err)
	}
	for _, topic := range newTopics {
		if _, ok := t.topics[topic]; !ok {
			if !t.allowTopicName(pattern, topic) {
				log.Println("Skipping topic ", topic, "as it didn't match required pattern:", pattern)
				continue
			}
			logger, err := newConsumerFileLogger(topic)
			if err != nil {
				log.Printf("ERROR: couldn't create logger for new topic %s: %s", topic, err)
				continue
			}
			t.topics[topic] = logger
			go t.startTopicRouter(logger)
		}
	}
}
コード例 #4
0
ファイル: http.go プロジェクト: zhangyuchen0411/nsq
func (s *httpServer) lookupHandler(w http.ResponseWriter, req *http.Request) {
	reqParams, err := http_api.NewReqParams(req)
	if err != nil {
		s.ctx.nsqadmin.logf("ERROR: failed to parse request params - %s", err)
		http.Error(w, "INVALID_REQUEST", 500)
		return
	}

	channels := make(map[string][]string)
	allTopics, _ := lookupd.GetLookupdTopics(s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses)
	for _, topicName := range allTopics {
		var producers []string
		producers, _ = lookupd.GetLookupdTopicProducers(topicName, s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses)
		if len(producers) == 0 {
			topicChannels, _ := lookupd.GetLookupdTopicChannels(topicName, s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses)
			channels[topicName] = topicChannels
		}
	}

	p := struct {
		Title        string
		GraphOptions *GraphOptions
		TopicMap     map[string][]string
		Lookupd      []string
		Version      string
	}{
		Title:        "NSQ Lookup",
		GraphOptions: NewGraphOptions(w, req, reqParams, s.ctx),
		TopicMap:     channels,
		Lookupd:      s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses,
		Version:      version.Binary,
	}
	err = templates.T.ExecuteTemplate(w, "lookup.html", p)
	if err != nil {
		s.ctx.nsqadmin.logf("Template Error %s", err)
		http.Error(w, "Template Error", 500)
	}
}
コード例 #5
0
ファイル: nsq_to_file.go プロジェクト: JetQin/nsq
func main() {
	flag.Parse()

	if *showVersion {
		fmt.Printf("nsq_to_file v%s\n", version.Binary)
		return
	}

	if *channel == "" {
		log.Fatal("--channel is required")
	}

	var topicsFromNSQLookupd bool

	if len(nsqdTCPAddrs) == 0 && len(lookupdHTTPAddrs) == 0 {
		log.Fatal("--nsqd-tcp-address or --lookupd-http-address required.")
	}
	if len(nsqdTCPAddrs) != 0 && len(lookupdHTTPAddrs) != 0 {
		log.Fatal("use --nsqd-tcp-address or --lookupd-http-address not both")
	}

	if *gzipLevel < 1 || *gzipLevel > 9 {
		log.Fatalf("invalid --gzip-level value (%d), should be 1-9", *gzipLevel)
	}

	// TODO: remove, deprecated
	if hasArg("gzip-compression") {
		log.Printf("WARNING: --gzip-compression is deprecated in favor of --gzip-level")
		switch *gzipCompression {
		case 1:
			*gzipLevel = gzip.BestSpeed
		case 2:
			*gzipLevel = gzip.BestCompression
		case 3:
			*gzipLevel = gzip.DefaultCompression
		default:
			log.Fatalf("invalid --gzip-compression value (%d), should be 1,2,3", *gzipCompression)
		}
	}

	discoverer := newTopicDiscoverer()

	signal.Notify(discoverer.hupChan, syscall.SIGHUP)
	signal.Notify(discoverer.termChan, syscall.SIGINT, syscall.SIGTERM)

	if len(topics) < 1 {
		if len(lookupdHTTPAddrs) < 1 {
			log.Fatal("use --topic to list at least one topic to subscribe to or specify at least one --lookupd-http-address to subscribe to all its topics")
		}
		topicsFromNSQLookupd = true
		var err error
		topics, err = lookupd.GetLookupdTopics(lookupdHTTPAddrs)
		if err != nil {
			log.Fatalf("ERROR: could not retrieve topic list: %s", err)
		}
	}

	for _, topic := range topics {
		if !discoverer.allowTopicName(*topicPattern, topic) {
			log.Println("Skipping topic", topic, "as it didn't match required pattern:", *topicPattern)
			continue
		}

		logger, err := newConsumerFileLogger(topic)
		if err != nil {
			log.Fatalf("ERROR: couldn't create logger for topic %s: %s", topic, err)
		}
		discoverer.topics[topic] = logger
		go discoverer.startTopicRouter(logger)
	}

	discoverer.watch(lookupdHTTPAddrs, topicsFromNSQLookupd, *topicPattern)
}