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https://github.com/logos-messaging/logos-delivery.git
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e5f0f36f01
* Add basic rpc scripts to publish and subscribe * Fix publish topic and payload script Also change parameter name in waku relay due to weird shadowing of log topic: DBG 2020-09-09 12:07:54+08:00 waku_publish tid=8795 file=wakurpc.nim:30 topic=waku payload=@[] DBG 2020-09-09 12:07:54+08:00 publish tid=8795 file=waku_relay.nim:65 topic=WakuRelay Above should show topic=waku but it gets topic=WakuRelay from log scope for some reason. * Scripts take arguments * Add basic nangang tutorial * Update docs/tutorial/nangang.md Co-authored-by: Kim De Mey <kim.demey@gmail.com> * Update docs/tutorial/nangang.md Co-authored-by: Kim De Mey <kim.demey@gmail.com> * meh * ENsure subscribe call succeeds Co-authored-by: Kim De Mey <kim.demey@gmail.com>
94 lines
2.5 KiB
Nim
94 lines
2.5 KiB
Nim
## Waku on libp2p
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##
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## This file should eventually correspond to waku_protocol as RLPx subprotocol.
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## Instead, it should likely be on top of GossipSub with a similar interface.
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import
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std/strutils,
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chronos, chronicles, metrics,
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libp2p/protocols/pubsub/[pubsub, floodsub, gossipsub],
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libp2p/protocols/pubsub/rpc/messages,
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libp2p/stream/connection
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declarePublicGauge total_messages, "number of messages received"
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logScope:
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topic = "WakuRelay"
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const WakuRelayCodec* = "/vac/waku/relay/2.0.0-alpha2"
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type
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WakuRelay* = ref object of GossipSub
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gossipEnabled*: bool
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method init*(w: WakuRelay) =
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debug "init"
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proc handler(conn: Connection, proto: string) {.async.} =
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## main protocol handler that gets triggered on every
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## connection for a protocol string
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## e.g. ``/wakusub/0.0.1``, etc...
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##
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debug "Incoming WakuRelay connection"
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await w.handleConn(conn, proto)
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# XXX: Handler hijack GossipSub here?
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w.handler = handler
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w.codec = WakuRelayCodec
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method initPubSub*(w: WakuRelay) =
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debug "initWakuRelay"
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# Not using GossipSub
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w.gossipEnabled = false
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if w.gossipEnabled:
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procCall GossipSub(w).initPubSub()
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else:
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procCall FloodSub(w).initPubSub()
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w.init()
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method subscribe*(w: WakuRelay,
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pubSubTopic: string,
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handler: TopicHandler) {.async.} =
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debug "subscribe", pubSubTopic=pubSubTopic
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if w.gossipEnabled:
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await procCall GossipSub(w).subscribe(pubSubTopic, handler)
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else:
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await procCall FloodSub(w).subscribe(pubSubTopic, handler)
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method publish*(w: WakuRelay,
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pubSubTopic: string,
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message: seq[byte]
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): Future[int] {.async.} =
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debug "publish", pubSubTopic=pubSubTopic, message=message
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if w.gossipEnabled:
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return await procCall GossipSub(w).publish(pubSubTopic, message)
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else:
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return await procCall FloodSub(w).publish(pubSubTopic, message)
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method unsubscribe*(w: WakuRelay,
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topics: seq[TopicPair]) {.async.} =
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debug "unsubscribe"
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if w.gossipEnabled:
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await procCall GossipSub(w).unsubscribe(topics)
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else:
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await procCall FloodSub(w).unsubscribe(topics)
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# GossipSub specific methods --------------------------------------------------
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method start*(w: WakuRelay) {.async.} =
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debug "start"
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if w.gossipEnabled:
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await procCall GossipSub(w).start()
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else:
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await procCall FloodSub(w).start()
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method stop*(w: WakuRelay) {.async.} =
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debug "stop"
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if w.gossipEnabled:
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await procCall GossipSub(w).stop()
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else:
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await procCall FloodSub(w).stop()
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