How to use the httpServer command in nsqlookupd

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Path classification

1. "/ ping" health check, return "OK"

2. "/ lookup" topic,channel query

ReqParams, err: = util.NewReqParams (req)

TopicName, err: = reqParams.Get ("topic")

Parse the request parameter topic

Registration: = s.context.nsqlookupd.DB.FindRegistrations ("topic", topicName, ")

/ / find topic for verification. If the length of registration is 0, an error occurs.

Channels: = s.context.nsqlookupd.DB.FindRegistrations ("channel", topicName, "*") .SubKeys

/ / find all the channel of topic

Producers: = s.context.nsqlookupd.DB.FindProducers ("topic", topicName, ")

/ / find all the producers

Producers = producers.FilterByActive (s.context.nsqlookupd.options.InactiveProducerTimeout

S.context.nsqlookupd.options.TombstoneLifetime)

/ / filter, two timeout parameters, 300s and 45s

3. "/ topics" queries all topic

4. "/ channels" queries all channel of a topic

5. "/ nodes" finds all client,topic

6. "/ topic/create" create topic

7. "/ topic/delete" deletes all channel associated with topic, and then deletes topic

8. "/ topic/tombstone"? Not for the time being.

9. "/ channel/create" create channel

10. "/ channel/delete" Delete channel

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