Gossipsub refactor (#490)
* refactor peerStats, re-enable scores for testing * remove gossip 1.0 * cleanup * codecov matrix fixes * restore previous score on onNewPeer * fix coverage n checks * unsubscribeAll gossipsub fixes * refactor unsub/sub * refactor onNewPeer and fix score flow * disable scores by default (change in tests later) * fix tests, enable scores in tests * fix wrongly merged test * ensure topic removal from topics table * small typo fix * testinterop fixes
This commit is contained in:
Giovanni Petrantoni
GitHub
parent
f7b8a097d5
commit
05e789a34f
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@ -10,15 +10,11 @@ jobs:
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nim-options: [
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"",
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"-d:libp2p_pubsub_anonymize=true -d:libp2p_pubsub_sign=false -d:libp2p_pubsub_verify=false",
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"-d:libp2p_pubsub_sign=true -d:libp2p_pubsub_verify=true",
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"-d:fallback_gossipsub_10",
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"-d:fallback_gossipsub_10 -d:libp2p_pubsub_anonymize=true -d:libp2p_pubsub_sign=false -d:libp2p_pubsub_verify=false",
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"-d:fallback_gossipsub_10 -d:libp2p_pubsub_sign=true -d:libp2p_pubsub_verify=true"
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"-d:libp2p_pubsub_sign=true -d:libp2p_pubsub_verify=true"
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]
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test-program: [
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"tests/pubsub/testpubsub",
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"tests/pubsub/testgossipinternal",
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"tests/pubsub/testgossipinternal10"
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"tests/pubsub/testgossipinternal"
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]
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steps:
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- uses: actions/checkout@v2
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@ -5,10 +5,10 @@ codecov:
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# notice that this number is for PRs;
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# like this we disabled notify on pure branches report
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# which is fine I guess
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after_n_builds: 45
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after_n_builds: 25
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comment:
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layout: "reach, diff, flags, files"
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after_n_builds: 45 # must be the number of coverage report builds
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after_n_builds: 25 # must be the number of coverage report builds
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coverage:
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status:
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project:
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@ -51,9 +51,6 @@ task testpubsub, "Runs pubsub tests":
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runTest("pubsub/testpubsub")
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runTest("pubsub/testpubsub", sign = false, verify = false)
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runTest("pubsub/testpubsub", sign = false, verify = false, moreoptions = "-d:libp2p_pubsub_anonymize=true")
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runTest("pubsub/testgossipinternal10", sign = false, verify = false, moreoptions = "-d:pubsub_internal_testing")
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runTest("pubsub/testpubsub", moreoptions = "-d:fallback_gossipsub_10")
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runTest("pubsub/testpubsub", sign = false, verify = false, moreoptions = "-d:fallback_gossipsub_10")
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task testpubsub_slim, "Runs pubsub tests":
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runTest("pubsub/testgossipinternal", sign = false, verify = false, moreoptions = "-d:pubsub_internal_testing")
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@ -37,9 +37,9 @@ method subscribeTopic*(f: FloodSub,
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peer
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topic
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# this is a workaround for a race condition
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# this is a workaround for a race condition
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# that can happen if we disconnect the peer very early
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# in the future we might use this as a test case
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# in the future we might use this as a test case
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# and eventually remove this workaround
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if subscribe and peer.peerId notin f.peers:
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trace "ignoring unknown peer"
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@ -183,14 +183,14 @@ method publish*(f: FloodSub,
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return peers.len
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method unsubscribe*(f: FloodSub,
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topics: seq[TopicPair]) {.async.} =
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await procCall PubSub(f).unsubscribe(topics)
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topics: seq[TopicPair]) =
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procCall PubSub(f).unsubscribe(topics)
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for p in f.peers.values:
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f.sendSubs(p, topics.mapIt(it.topic).deduplicate(), false)
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method unsubscribeAll*(f: FloodSub, topic: string) {.async.} =
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await procCall PubSub(f).unsubscribeAll(topic)
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method unsubscribeAll*(f: FloodSub, topic: string) =
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procCall PubSub(f).unsubscribeAll(topic)
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for p in f.peers.values:
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f.sendSubs(p, @[topic], false)
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@ -106,6 +106,7 @@ type
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PeerStats* = object
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topicInfos*: Table[string, TopicInfo]
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expire*: Moment # updated on disconnect, to retain scores until expire
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score*: float64 # a copy of the score to keep in case the peer is disconnected
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GossipSubParams* = object
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explicit: bool
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@ -157,7 +158,7 @@ type
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heartbeatFut: Future[void] # cancellation future for heartbeat interval
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heartbeatRunning: bool
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peerStats: Table[PubSubPeer, PeerStats]
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peerStats: Table[PeerID, PeerStats]
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parameters*: GossipSubParams
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topicParams*: Table[string, TopicParams]
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directPeersLoop: Future[void]
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@ -246,7 +247,7 @@ proc validateParameters*(parameters: GossipSubParams): Result[void, cstring] =
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proc init*(_: type[TopicParams]): TopicParams =
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TopicParams(
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topicWeight: 0.0, # disable score
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topicWeight: 0.0, # disabled by default
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timeInMeshWeight: 0.01,
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timeInMeshQuantum: 1.seconds,
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timeInMeshCap: 10.0,
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@ -306,19 +307,21 @@ method init*(g: GossipSub) =
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g.codecs &= GossipSubCodec
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g.codecs &= GossipSubCodec_10
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proc initPeerStats(g: GossipSub, peer: PubSubPeer) =
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g.peerStats[peer.peerId] = PeerStats()
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peer.iWantBudget = IWantPeerBudget
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peer.iHaveBudget = IHavePeerBudget
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method onNewPeer(g: GossipSub, peer: PubSubPeer) =
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if peer notin g.peerStats:
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# new peer
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g.peerStats[peer] = PeerStats()
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peer.iWantBudget = IWantPeerBudget
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peer.iHaveBudget = IHavePeerBudget
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return
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if peer.peerId notin g.peerStats:
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g.initPeerStats(peer)
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else:
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# we knew this peer
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discard
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# restore previously stored score
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peer.score = g.peerStats[peer.peerId].score
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proc grafted(g: GossipSub, p: PubSubPeer, topic: string) =
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g.peerStats.withValue(p, stats):
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g.peerStats.withValue(p.peerId, stats):
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var info = stats.topicInfos.getOrDefault(topic)
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info.graftTime = Moment.now()
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info.meshTime = 0.seconds
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@ -327,15 +330,15 @@ proc grafted(g: GossipSub, p: PubSubPeer, topic: string) =
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# mgetOrPut does not work, so we gotta do this without referencing
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stats.topicInfos[topic] = info
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assert(g.peerStats[p].topicInfos[topic].inMesh == true)
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assert(g.peerStats[p.peerId].topicInfos[topic].inMesh == true)
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trace "grafted", peer=p, topic
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do:
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g.onNewPeer(p)
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g.initPeerStats(p)
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g.grafted(p, topic)
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proc pruned(g: GossipSub, p: PubSubPeer, topic: string) =
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g.peerStats.withValue(p, stats):
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g.peerStats.withValue(p.peerId, stats):
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when not defined(release):
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g.prunedPeers.incl(p)
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@ -682,18 +685,21 @@ proc updateScores(g: GossipSub) = # avoid async
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trace "updating scores", peers = g.peers.len
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let now = Moment.now()
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var evicting: seq[PubSubPeer]
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var evicting: seq[PeerID]
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for peer, stats in g.peerStats.mpairs:
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trace "updating peer score", peer
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var n_topics = 0
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var is_grafted = 0
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if not peer.connected:
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for peerId, stats in g.peerStats.mpairs:
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let peer = g.peers.getOrDefault(peerId)
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if isNil(peer) or not(peer.connected):
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if now > stats.expire:
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evicting.add(peer)
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evicting.add(peerId)
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trace "evicted peer from memory", peer
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continue
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continue
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trace "updating peer score", peer
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var
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n_topics = 0
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is_grafted = 0
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# Per topic
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for topic, topicParams in g.topicParams:
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@ -771,6 +777,9 @@ proc updateScores(g: GossipSub) = # avoid async
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if peer.behaviourPenalty < g.parameters.decayToZero:
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peer.behaviourPenalty = 0
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# copy into stats the score to keep until expired
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stats.score = peer.score
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assert(g.peerStats[peer.peerId].score == peer.score) # nim sanity check
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trace "updated peer's score", peer, score = peer.score, n_topics, is_grafted
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for peer in evicting:
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@ -899,7 +908,7 @@ method unsubscribePeer*(g: GossipSub, peer: PeerID) =
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libp2p_gossipsub_peers_per_topic_fanout
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.set(g.fanout.peers(t).int64, labelValues = [t])
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g.peerStats.withValue(pubSubPeer, stats):
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g.peerStats.withValue(pubSubPeer.peerId, stats):
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stats[].expire = Moment.now() + g.parameters.retainScore
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for topic, info in stats[].topicInfos.mpairs:
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info.firstMessageDeliveries = 0
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@ -927,8 +936,6 @@ method subscribeTopic*(g: GossipSub,
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if subscribe:
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trace "peer subscribed to topic"
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# populate scoring structs and such
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g.onNewPeer(peer)
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# subscribe remote peer to the topic
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discard g.gossipsub.addPeer(topic, peer)
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if peer.peerId in g.parameters.directPeers:
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@ -959,13 +966,13 @@ proc punishPeer(g: GossipSub, peer: PubSubPeer, topics: seq[string]) =
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# ensure we init a new topic if unknown
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let _ = g.topicParams.mgetOrPut(t, TopicParams.init())
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# update stats
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g.peerStats.withValue(peer, stats):
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g.peerStats.withValue(peer.peerId, stats):
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stats[].topicInfos.withValue(t, tstats):
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tstats[].invalidMessageDeliveries += 1
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do: # if we have no stats populate!
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stats[].topicInfos[t] = TopicInfo(invalidMessageDeliveries: 1)
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do: # if we have no stats populate!
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g.peerStats[peer] =
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g.peerStats[peer.peerId] =
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block:
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var stats = PeerStats()
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stats.topicInfos[t] = TopicInfo(invalidMessageDeliveries: 1)
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@ -1012,8 +1019,8 @@ proc handleGraft(g: GossipSub,
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continue
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if peer notin g.peerStats:
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g.onNewPeer(peer)
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if peer.peerId notin g.peerStats:
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g.initPeerStats(peer)
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# not in the spec exactly, but let's avoid way too low score peers
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# other clients do it too also was an audit recommendation
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@ -1132,7 +1139,7 @@ method rpcHandler*(g: GossipSub,
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for t in msg.topicIDs: # for every topic in the message
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let topicParams = g.topicParams.mgetOrPut(t, TopicParams.init())
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# if in mesh add more delivery score
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g.peerStats.withValue(peer, pstats):
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g.peerStats.withValue(peer.peerId, pstats):
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pstats[].topicInfos.withValue(t, stats):
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if stats[].inMesh:
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# TODO: take into account meshMessageDeliveriesWindow
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@ -1143,7 +1150,7 @@ method rpcHandler*(g: GossipSub,
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do: # make sure we don't loose this information
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pstats[].topicInfos[t] = TopicInfo(meshMessageDeliveries: 1)
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do: # make sure we don't loose this information
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g.peerStats[peer] =
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g.peerStats[peer.peerId] =
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block:
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var stats = PeerStats()
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stats.topicInfos[t] = TopicInfo(meshMessageDeliveries: 1)
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@ -1190,7 +1197,7 @@ method rpcHandler*(g: GossipSub,
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for t in msg.topicIDs: # for every topic in the message
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let topicParams = g.topicParams.mgetOrPut(t, TopicParams.init())
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g.peerStats.withValue(peer, pstats):
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g.peerStats.withValue(peer.peerId, pstats):
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pstats[].topicInfos.withValue(t, stats):
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# contribute to peer score first delivery
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stats[].firstMessageDeliveries += 1
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@ -1205,7 +1212,7 @@ method rpcHandler*(g: GossipSub,
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do: # make sure we don't loose this information
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pstats[].topicInfos[t] = TopicInfo(firstMessageDeliveries: 1, meshMessageDeliveries: 1)
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do: # make sure we don't loose this information
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g.peerStats[peer] =
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g.peerStats[peer.peerId] =
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block:
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var stats = PeerStats()
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stats.topicInfos[t] = TopicInfo(firstMessageDeliveries: 1, meshMessageDeliveries: 1)
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@ -1234,7 +1241,6 @@ method rpcHandler*(g: GossipSub,
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if respControl.graft.len > 0 or respControl.prune.len > 0 or
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respControl.ihave.len > 0 or messages.len > 0:
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trace "sending control message", msg = shortLog(respControl), peer
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g.send(
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peer,
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@ -1242,8 +1248,8 @@ method rpcHandler*(g: GossipSub,
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method subscribe*(g: GossipSub,
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topic: string,
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handler: TopicHandler) {.async.} =
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await procCall PubSub(g).subscribe(topic, handler)
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handler: TopicHandler) =
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procCall PubSub(g).subscribe(topic, handler)
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# if we have a fanout on this topic break it
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if topic in g.fanout:
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@ -1251,42 +1257,48 @@ method subscribe*(g: GossipSub,
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g.rebalanceMesh(topic)
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method unsubscribeAll*(g: GossipSub, topic: string) =
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var
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msg = RPCMsg.withSubs(@[topic], subscribe = false)
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gpeers = g.gossipsub.getOrDefault(topic)
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if topic in g.mesh:
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let mpeers = g.mesh.getOrDefault(topic)
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# remove mesh peers from gpeers, we send 2 different messages
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gpeers = gpeers - mpeers
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# send to peers NOT in mesh first
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g.broadcast(toSeq(gpeers), msg)
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g.mesh.del(topic)
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for peer in mpeers:
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trace "pruning unsubscribeAll call peer", peer, score = peer.score
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g.pruned(peer, topic)
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msg.control =
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some(ControlMessage(prune:
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@[ControlPrune(topicID: topic,
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peers: g.peerExchangeList(topic),
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backoff: g.parameters.pruneBackoff.seconds.uint64)]))
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# send to peers IN mesh now
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g.broadcast(toSeq(mpeers), msg)
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else:
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g.broadcast(toSeq(gpeers), msg)
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# finally let's remove from g.topics, do that by calling PubSub
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procCall PubSub(g).unsubscribeAll(topic)
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method unsubscribe*(g: GossipSub,
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topics: seq[TopicPair]) {.async.} =
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await procCall PubSub(g).unsubscribe(topics)
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topics: seq[TopicPair]) =
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procCall PubSub(g).unsubscribe(topics)
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for (topic, handler) in topics:
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# delete from mesh only if no handlers are left
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# (handlers are removed in pubsub unsubscribe above)
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if topic notin g.topics:
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if topic in g.mesh:
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let peers = g.mesh[topic]
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g.mesh.del(topic)
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g.topicParams.del(topic)
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for peer in peers:
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trace "pruning unsubscribe call peer", peer, score = peer.score
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g.pruned(peer, topic)
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let prune = RPCMsg(control: some(ControlMessage(
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prune: @[ControlPrune(
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topicID: topic,
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peers: g.peerExchangeList(topic),
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backoff: g.parameters.pruneBackoff.seconds.uint64)])))
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g.broadcast(toSeq(peers), prune)
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method unsubscribeAll*(g: GossipSub, topic: string) {.async.} =
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await procCall PubSub(g).unsubscribeAll(topic)
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if topic in g.mesh:
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let peers = g.mesh.getOrDefault(topic)
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g.mesh.del(topic)
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for peer in peers:
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trace "pruning unsubscribeAll call peer", peer, score = peer.score
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g.pruned(peer, topic)
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let prune = RPCMsg(control: some(ControlMessage(
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prune: @[ControlPrune(
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topicID: topic,
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peers: g.peerExchangeList(topic),
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backoff: g.parameters.pruneBackoff.seconds.uint64)])))
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g.broadcast(toSeq(peers), prune)
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g.unsubscribeAll(topic)
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method publish*(g: GossipSub,
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topic: string,
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|
|
|
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|
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@ -1,637 +0,0 @@
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## Nim-LibP2P
|
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## Copyright (c) 2019 Status Research & Development GmbH
|
||||
## Licensed under either of
|
||||
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
|
||||
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
|
||||
## at your option.
|
||||
## This file may not be copied, modified, or distributed except according to
|
||||
## those terms.
|
||||
|
||||
# TODO: this module is temporary to allow
|
||||
# for quick switchover fro 1.1 to 1.0.
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||||
# This should be removed once 1.1 is stable
|
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# enough.
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|
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import std/[options, random, sequtils, sets, tables]
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import chronos, chronicles, metrics
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import ./pubsub,
|
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./floodsub,
|
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./pubsubpeer,
|
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./peertable,
|
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./mcache,
|
||||
./timedcache,
|
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./rpc/[messages, message],
|
||||
../protocol,
|
||||
../../stream/connection,
|
||||
../../peerinfo,
|
||||
../../peerid,
|
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../../utility
|
||||
|
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logScope:
|
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topics = "libp2p gossipsub"
|
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|
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const GossipSubCodec* = "/meshsub/1.0.0"
|
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|
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# overlay parameters
|
||||
const GossipSubD* = 6
|
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const GossipSubDlo* = 4
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const GossipSubDhi* = 12
|
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|
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# gossip parameters
|
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const GossipSubHistoryLength* = 5
|
||||
const GossipSubHistoryGossip* = 3
|
||||
|
||||
# heartbeat interval
|
||||
const GossipSubHeartbeatInitialDelay* = 100.millis
|
||||
const GossipSubHeartbeatInterval* = 1.seconds
|
||||
|
||||
# fanout ttl
|
||||
const GossipSubFanoutTTL* = 1.minutes
|
||||
|
||||
type
|
||||
GossipSub* = ref object of FloodSub
|
||||
mesh*: PeerTable # peers that we send messages to when we are subscribed to the topic
|
||||
fanout*: PeerTable # peers that we send messages to when we're not subscribed to the topic
|
||||
gossipsub*: PeerTable # peers that are subscribed to a topic
|
||||
lastFanoutPubSub*: Table[string, Moment] # last publish time for fanout topics
|
||||
gossip*: Table[string, seq[ControlIHave]] # pending gossip
|
||||
control*: Table[string, ControlMessage] # pending control messages
|
||||
mcache*: MCache # messages cache
|
||||
heartbeatFut: Future[void] # cancellation future for heartbeat interval
|
||||
heartbeatRunning: bool
|
||||
heartbeatEvents*: seq[AsyncEvent]
|
||||
parameters*: GossipSubParams
|
||||
|
||||
GossipSubParams* = object
|
||||
# stubs
|
||||
explicit: bool
|
||||
pruneBackoff*: Duration
|
||||
floodPublish*: bool
|
||||
gossipFactor*: float64
|
||||
dScore*: int
|
||||
dOut*: int
|
||||
dLazy*: int
|
||||
|
||||
gossipThreshold*: float64
|
||||
publishThreshold*: float64
|
||||
graylistThreshold*: float64
|
||||
acceptPXThreshold*: float64
|
||||
opportunisticGraftThreshold*: float64
|
||||
decayInterval*: Duration
|
||||
decayToZero*: float64
|
||||
retainScore*: Duration
|
||||
|
||||
appSpecificWeight*: float64
|
||||
ipColocationFactorWeight*: float64
|
||||
ipColocationFactorThreshold*: float64
|
||||
behaviourPenaltyWeight*: float64
|
||||
behaviourPenaltyDecay*: float64
|
||||
|
||||
directPeers*: seq[PeerId]
|
||||
|
||||
proc init*(G: type[GossipSubParams]): G = discard
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
declareGauge(libp2p_gossipsub_peers_per_topic_mesh,
|
||||
"gossipsub peers per topic in mesh",
|
||||
labels = ["topic"])
|
||||
|
||||
declareGauge(libp2p_gossipsub_peers_per_topic_fanout,
|
||||
"gossipsub peers per topic in fanout",
|
||||
labels = ["topic"])
|
||||
|
||||
declareGauge(libp2p_gossipsub_peers_per_topic_gossipsub,
|
||||
"gossipsub peers per topic in gossipsub",
|
||||
labels = ["topic"])
|
||||
|
||||
method init*(g: GossipSub) =
|
||||
proc handler(conn: Connection, proto: string) {.async.} =
|
||||
## main protocol handler that gets triggered on every
|
||||
## connection for a protocol string
|
||||
## e.g. ``/floodsub/1.0.0``, etc...
|
||||
##
|
||||
try:
|
||||
await g.handleConn(conn, proto)
|
||||
except CancelledError:
|
||||
# This is top-level procedure which will work as separate task, so it
|
||||
# do not need to propogate CancelledError.
|
||||
trace "Unexpected cancellation in gossipsub handler", conn
|
||||
except CatchableError as exc:
|
||||
trace "GossipSub handler leaks an error", exc = exc.msg, conn
|
||||
|
||||
g.handler = handler
|
||||
g.codec = GossipSubCodec
|
||||
|
||||
proc replenishFanout(g: GossipSub, topic: string) =
|
||||
## get fanout peers for a topic
|
||||
logScope: topic
|
||||
trace "about to replenish fanout"
|
||||
|
||||
if g.fanout.peers(topic) < GossipSubDLo:
|
||||
trace "replenishing fanout", peers = g.fanout.peers(topic)
|
||||
if topic in g.gossipsub:
|
||||
for peer in g.gossipsub[topic]:
|
||||
if g.fanout.addPeer(topic, peer):
|
||||
if g.fanout.peers(topic) == GossipSubD:
|
||||
break
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_fanout
|
||||
.set(g.fanout.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
trace "fanout replenished with peers", peers = g.fanout.peers(topic)
|
||||
|
||||
method onPubSubPeerEvent*(p: GossipSub, peer: PubsubPeer, event: PubSubPeerEvent) {.gcsafe.} =
|
||||
case event.kind
|
||||
of PubSubPeerEventKind.Connected:
|
||||
discard
|
||||
of PubSubPeerEventKind.Disconnected:
|
||||
# If a send connection is lost, it's better to remove peer from the mesh -
|
||||
# if it gets reestablished, the peer will be readded to the mesh, and if it
|
||||
# doesn't, well.. then we hope the peer is going away!
|
||||
for _, peers in p.mesh.mpairs():
|
||||
peers.excl(peer)
|
||||
for _, peers in p.fanout.mpairs():
|
||||
peers.excl(peer)
|
||||
|
||||
procCall FloodSub(p).onPubSubPeerEvent(peer, event)
|
||||
|
||||
|
||||
proc rebalanceMesh(g: GossipSub, topic: string) =
|
||||
logScope:
|
||||
topic
|
||||
mesh = g.mesh.peers(topic)
|
||||
gossipsub = g.gossipsub.peers(topic)
|
||||
|
||||
trace "rebalancing mesh"
|
||||
|
||||
# create a mesh topic that we're subscribing to
|
||||
|
||||
var
|
||||
grafts, prunes: seq[PubSubPeer]
|
||||
|
||||
if g.mesh.peers(topic) < GossipSubDlo:
|
||||
trace "replenishing mesh", peers = g.mesh.peers(topic)
|
||||
# replenish the mesh if we're below Dlo
|
||||
grafts = toSeq(
|
||||
g.gossipsub.getOrDefault(topic, initHashSet[PubSubPeer]()) -
|
||||
g.mesh.getOrDefault(topic, initHashSet[PubSubPeer]())
|
||||
).filterIt(it.connected)
|
||||
|
||||
shuffle(grafts)
|
||||
|
||||
# Graft peers so we reach a count of D
|
||||
grafts.setLen(min(grafts.len, GossipSubD - g.mesh.peers(topic)))
|
||||
|
||||
trace "grafting", grafts = grafts.len
|
||||
|
||||
for peer in grafts:
|
||||
if g.mesh.addPeer(topic, peer):
|
||||
g.fanout.removePeer(topic, peer)
|
||||
|
||||
if g.mesh.peers(topic) > GossipSubDhi:
|
||||
# prune peers if we've gone over Dhi
|
||||
prunes = toSeq(g.mesh[topic])
|
||||
shuffle(prunes)
|
||||
prunes.setLen(prunes.len - GossipSubD) # .. down to D peers
|
||||
|
||||
trace "pruning", prunes = prunes.len
|
||||
for peer in prunes:
|
||||
g.mesh.removePeer(topic, peer)
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_gossipsub
|
||||
.set(g.gossipsub.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
libp2p_gossipsub_peers_per_topic_fanout
|
||||
.set(g.fanout.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
libp2p_gossipsub_peers_per_topic_mesh
|
||||
.set(g.mesh.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
trace "mesh balanced"
|
||||
|
||||
# Send changes to peers after table updates to avoid stale state
|
||||
if grafts.len > 0:
|
||||
let graft = RPCMsg(control: some(ControlMessage(graft: @[ControlGraft(topicID: topic)])))
|
||||
g.broadcast(grafts, graft)
|
||||
if prunes.len > 0:
|
||||
let prune = RPCMsg(control: some(ControlMessage(prune: @[ControlPrune(topicID: topic)])))
|
||||
g.broadcast(prunes, prune)
|
||||
|
||||
proc dropFanoutPeers(g: GossipSub) =
|
||||
# drop peers that we haven't published to in
|
||||
# GossipSubFanoutTTL seconds
|
||||
let now = Moment.now()
|
||||
for topic in toSeq(g.lastFanoutPubSub.keys):
|
||||
let val = g.lastFanoutPubSub[topic]
|
||||
if now > val:
|
||||
g.fanout.del(topic)
|
||||
g.lastFanoutPubSub.del(topic)
|
||||
trace "dropping fanout topic", topic
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_fanout
|
||||
.set(g.fanout.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
proc getGossipPeers(g: GossipSub): Table[PubSubPeer, ControlMessage] {.gcsafe.} =
|
||||
## gossip iHave messages to peers
|
||||
##
|
||||
|
||||
trace "getting gossip peers (iHave)"
|
||||
let topics = toHashSet(toSeq(g.mesh.keys)) + toHashSet(toSeq(g.fanout.keys))
|
||||
let controlMsg = ControlMessage()
|
||||
for topic in topics:
|
||||
var allPeers = toSeq(g.gossipsub.getOrDefault(topic))
|
||||
shuffle(allPeers)
|
||||
|
||||
let mesh = g.mesh.getOrDefault(topic)
|
||||
let fanout = g.fanout.getOrDefault(topic)
|
||||
|
||||
let gossipPeers = mesh + fanout
|
||||
let mids = g.mcache.window(topic)
|
||||
if not mids.len > 0:
|
||||
continue
|
||||
|
||||
if topic notin g.gossipsub:
|
||||
trace "topic not in gossip array, skipping", topic
|
||||
continue
|
||||
|
||||
let ihave = ControlIHave(topicID: topic, messageIDs: toSeq(mids))
|
||||
for peer in allPeers:
|
||||
if result.len >= GossipSubD:
|
||||
trace "got gossip peers", peers = result.len
|
||||
break
|
||||
|
||||
if peer in gossipPeers:
|
||||
continue
|
||||
|
||||
if peer notin result:
|
||||
result[peer] = controlMsg
|
||||
|
||||
result[peer].ihave.add(ihave)
|
||||
|
||||
proc heartbeat(g: GossipSub) {.async.} =
|
||||
while g.heartbeatRunning:
|
||||
try:
|
||||
trace "running heartbeat"
|
||||
|
||||
for t in toSeq(g.topics.keys):
|
||||
g.rebalanceMesh(t)
|
||||
|
||||
g.dropFanoutPeers()
|
||||
|
||||
# replenish known topics to the fanout
|
||||
for t in toSeq(g.fanout.keys):
|
||||
g.replenishFanout(t)
|
||||
|
||||
let peers = g.getGossipPeers()
|
||||
for peer, control in peers:
|
||||
g.peers.withValue(peer.peerId, pubsubPeer) do:
|
||||
g.send(
|
||||
pubsubPeer[],
|
||||
RPCMsg(control: some(control)))
|
||||
|
||||
g.mcache.shift() # shift the cache
|
||||
except CancelledError as exc:
|
||||
raise exc
|
||||
except CatchableError as exc:
|
||||
warn "exception ocurred in gossipsub heartbeat", exc = exc.msg
|
||||
|
||||
for trigger in g.heartbeatEvents:
|
||||
trace "firing heartbeat event", instance = cast[int](g)
|
||||
trigger.fire()
|
||||
|
||||
await sleepAsync(GossipSubHeartbeatInterval)
|
||||
|
||||
method unsubscribePeer*(g: GossipSub, peer: PeerID) =
|
||||
## handle peer disconnects
|
||||
##
|
||||
|
||||
trace "unsubscribing gossipsub peer", peer
|
||||
let pubSubPeer = g.peers.getOrDefault(peer)
|
||||
if pubSubPeer.isNil:
|
||||
trace "no peer to unsubscribe", peer
|
||||
return
|
||||
|
||||
for t in toSeq(g.gossipsub.keys):
|
||||
g.gossipsub.removePeer(t, pubSubPeer)
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_gossipsub
|
||||
.set(g.gossipsub.peers(t).int64, labelValues = [t])
|
||||
|
||||
for t in toSeq(g.mesh.keys):
|
||||
g.mesh.removePeer(t, pubSubPeer)
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_mesh
|
||||
.set(g.mesh.peers(t).int64, labelValues = [t])
|
||||
|
||||
for t in toSeq(g.fanout.keys):
|
||||
g.fanout.removePeer(t, pubSubPeer)
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_fanout
|
||||
.set(g.fanout.peers(t).int64, labelValues = [t])
|
||||
|
||||
procCall FloodSub(g).unsubscribePeer(peer)
|
||||
|
||||
method subscribeTopic*(g: GossipSub,
|
||||
topic: string,
|
||||
subscribe: bool,
|
||||
peer: PubSubPeer) {.gcsafe.} =
|
||||
# Skip floodsub - we don't want it to add the peer to `g.floodsub`
|
||||
procCall PubSub(g).subscribeTopic(topic, subscribe, peer)
|
||||
|
||||
logScope:
|
||||
peer
|
||||
topic
|
||||
|
||||
if subscribe:
|
||||
trace "peer subscribed to topic"
|
||||
# subscribe remote peer to the topic
|
||||
discard g.gossipsub.addPeer(topic, peer)
|
||||
else:
|
||||
trace "peer unsubscribed from topic"
|
||||
# unsubscribe remote peer from the topic
|
||||
g.gossipsub.removePeer(topic, peer)
|
||||
g.mesh.removePeer(topic, peer)
|
||||
g.fanout.removePeer(topic, peer)
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_mesh
|
||||
.set(g.mesh.peers(topic).int64, labelValues = [topic])
|
||||
libp2p_gossipsub_peers_per_topic_fanout
|
||||
.set(g.fanout.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_gossipsub
|
||||
.set(g.gossipsub.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
trace "gossip peers", peers = g.gossipsub.peers(topic), topic
|
||||
|
||||
proc handleGraft(g: GossipSub,
|
||||
peer: PubSubPeer,
|
||||
grafts: seq[ControlGraft]): seq[ControlPrune] =
|
||||
for graft in grafts:
|
||||
let topic = graft.topicID
|
||||
logScope:
|
||||
peer
|
||||
topic
|
||||
|
||||
trace "peer grafted topic"
|
||||
|
||||
# If they send us a graft before they send us a subscribe, what should
|
||||
# we do? For now, we add them to mesh but don't add them to gossipsub.
|
||||
|
||||
if topic in g.topics:
|
||||
if g.mesh.peers(topic) < GossipSubDHi:
|
||||
# In the spec, there's no mention of DHi here, but implicitly, a
|
||||
# peer will be removed from the mesh on next rebalance, so we don't want
|
||||
# this peer to push someone else out
|
||||
if g.mesh.addPeer(topic, peer):
|
||||
g.fanout.removePeer(topic, peer)
|
||||
else:
|
||||
trace "peer already in mesh"
|
||||
else:
|
||||
result.add(ControlPrune(topicID: topic))
|
||||
else:
|
||||
debug "peer grafting topic we're not interested in"
|
||||
result.add(ControlPrune(topicID: topic))
|
||||
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_mesh
|
||||
.set(g.mesh.peers(topic).int64, labelValues = [topic])
|
||||
libp2p_gossipsub_peers_per_topic_fanout
|
||||
.set(g.fanout.peers(topic).int64, labelValues = [topic])
|
||||
|
||||
proc handlePrune(g: GossipSub, peer: PubSubPeer, prunes: seq[ControlPrune]) =
|
||||
for prune in prunes:
|
||||
trace "peer pruned topic", peer, topic = prune.topicID
|
||||
|
||||
g.mesh.removePeer(prune.topicID, peer)
|
||||
when defined(libp2p_expensive_metrics):
|
||||
libp2p_gossipsub_peers_per_topic_mesh
|
||||
.set(g.mesh.peers(prune.topicID).int64, labelValues = [prune.topicID])
|
||||
|
||||
proc handleIHave(g: GossipSub,
|
||||
peer: PubSubPeer,
|
||||
ihaves: seq[ControlIHave]): ControlIWant =
|
||||
for ihave in ihaves:
|
||||
trace "peer sent ihave",
|
||||
peer, topic = ihave.topicID, msgs = ihave.messageIDs
|
||||
|
||||
if ihave.topicID in g.mesh:
|
||||
for m in ihave.messageIDs:
|
||||
if m notin g.seen:
|
||||
result.messageIDs.add(m)
|
||||
|
||||
proc handleIWant(g: GossipSub,
|
||||
peer: PubSubPeer,
|
||||
iwants: seq[ControlIWant]): seq[Message] =
|
||||
for iwant in iwants:
|
||||
for mid in iwant.messageIDs:
|
||||
trace "peer sent iwant", peer, messageID = mid
|
||||
let msg = g.mcache.get(mid)
|
||||
if msg.isSome:
|
||||
result.add(msg.get())
|
||||
|
||||
method rpcHandler*(g: GossipSub,
|
||||
peer: PubSubPeer,
|
||||
rpcMsg: RPCMsg) {.async.} =
|
||||
await procCall PubSub(g).rpcHandler(peer, rpcMsg)
|
||||
|
||||
for msg in rpcMsg.messages: # for every message
|
||||
let msgId = g.msgIdProvider(msg)
|
||||
|
||||
if g.seen.put(msgId):
|
||||
trace "Dropping already-seen message", msgId, peer
|
||||
continue
|
||||
|
||||
g.mcache.put(msgId, msg)
|
||||
|
||||
if (msg.signature.len > 0 or g.verifySignature) and not msg.verify():
|
||||
# always validate if signature is present or required
|
||||
debug "Dropping message due to failed signature verification", msgId, peer
|
||||
continue
|
||||
|
||||
if msg.seqno.len > 0 and msg.seqno.len != 8:
|
||||
# if we have seqno should be 8 bytes long
|
||||
debug "Dropping message due to invalid seqno length", msgId, peer
|
||||
continue
|
||||
|
||||
# g.anonymize needs no evaluation when receiving messages
|
||||
# as we have a "lax" policy and allow signed messages
|
||||
|
||||
let validation = await g.validate(msg)
|
||||
case validation
|
||||
of ValidationResult.Reject:
|
||||
debug "Dropping message after validation, reason: reject", msgId, peer
|
||||
continue
|
||||
of ValidationResult.Ignore:
|
||||
debug "Dropping message after validation, reason: ignore", msgId, peer
|
||||
continue
|
||||
of ValidationResult.Accept:
|
||||
discard
|
||||
|
||||
var toSendPeers = initHashSet[PubSubPeer]()
|
||||
for t in msg.topicIDs: # for every topic in the message
|
||||
g.floodsub.withValue(t, peers): toSendPeers.incl(peers[])
|
||||
g.mesh.withValue(t, peers): toSendPeers.incl(peers[])
|
||||
|
||||
await handleData(g, t, msg.data)
|
||||
|
||||
# In theory, if topics are the same in all messages, we could batch - we'd
|
||||
# also have to be careful to only include validated messages
|
||||
g.broadcast(toSeq(toSendPeers), RPCMsg(messages: @[msg]))
|
||||
trace "forwared message to peers", peers = toSendPeers.len, msgId, peer
|
||||
|
||||
if rpcMsg.control.isSome:
|
||||
let control = rpcMsg.control.get()
|
||||
g.handlePrune(peer, control.prune)
|
||||
|
||||
var respControl: ControlMessage
|
||||
respControl.iwant.add(g.handleIHave(peer, control.ihave))
|
||||
respControl.prune.add(g.handleGraft(peer, control.graft))
|
||||
let messages = g.handleIWant(peer, control.iwant)
|
||||
|
||||
if respControl.graft.len > 0 or respControl.prune.len > 0 or
|
||||
respControl.ihave.len > 0 or messages.len > 0:
|
||||
|
||||
trace "sending control message", msg = shortLog(respControl), peer
|
||||
g.send(
|
||||
peer,
|
||||
RPCMsg(control: some(respControl), messages: messages))
|
||||
|
||||
method subscribe*(g: GossipSub,
|
||||
topic: string,
|
||||
handler: TopicHandler) {.async.} =
|
||||
await procCall PubSub(g).subscribe(topic, handler)
|
||||
g.rebalanceMesh(topic)
|
||||
|
||||
method unsubscribe*(g: GossipSub,
|
||||
topics: seq[TopicPair]) {.async.} =
|
||||
await procCall PubSub(g).unsubscribe(topics)
|
||||
|
||||
for (topic, handler) in topics:
|
||||
# delete from mesh only if no handlers are left
|
||||
if topic notin g.topics:
|
||||
if topic in g.mesh:
|
||||
let peers = g.mesh[topic]
|
||||
g.mesh.del(topic)
|
||||
|
||||
let prune = RPCMsg(
|
||||
control: some(ControlMessage(prune: @[ControlPrune(topicID: topic)])))
|
||||
g.broadcast(toSeq(peers), prune)
|
||||
|
||||
method unsubscribeAll*(g: GossipSub, topic: string) {.async.} =
|
||||
await procCall PubSub(g).unsubscribeAll(topic)
|
||||
|
||||
if topic in g.mesh:
|
||||
let peers = g.mesh.getOrDefault(topic)
|
||||
g.mesh.del(topic)
|
||||
|
||||
let prune = RPCMsg(control: some(ControlMessage(prune: @[ControlPrune(topicID: topic)])))
|
||||
g.broadcast(toSeq(peers), prune)
|
||||
|
||||
method publish*(g: GossipSub,
|
||||
topic: string,
|
||||
data: seq[byte]): Future[int] {.async.} =
|
||||
# base returns always 0
|
||||
discard await procCall PubSub(g).publish(topic, data)
|
||||
|
||||
logScope: topic
|
||||
trace "Publishing message on topic", data = data.shortLog
|
||||
|
||||
if topic.len <= 0: # data could be 0/empty
|
||||
debug "Empty topic, skipping publish"
|
||||
return 0
|
||||
|
||||
var peers: HashSet[PubSubPeer]
|
||||
if topic in g.topics: # if we're subscribed use the mesh
|
||||
peers = g.mesh.getOrDefault(topic)
|
||||
else: # not subscribed, send to fanout peers
|
||||
# try optimistically
|
||||
peers = g.fanout.getOrDefault(topic)
|
||||
if peers.len == 0:
|
||||
# ok we had nothing.. let's try replenish inline
|
||||
g.replenishFanout(topic)
|
||||
peers = g.fanout.getOrDefault(topic)
|
||||
|
||||
# even if we couldn't publish,
|
||||
# we still attempted to publish
|
||||
# on the topic, so it makes sense
|
||||
# to update the last topic publish
|
||||
# time
|
||||
g.lastFanoutPubSub[topic] = Moment.fromNow(GossipSubFanoutTTL)
|
||||
|
||||
if peers.len == 0:
|
||||
debug "No peers for topic, skipping publish"
|
||||
return 0
|
||||
|
||||
inc g.msgSeqno
|
||||
let
|
||||
msg =
|
||||
if g.anonymize:
|
||||
Message.init(none(PeerInfo), data, topic, none(uint64), false)
|
||||
else:
|
||||
Message.init(some(g.peerInfo), data, topic, some(g.msgSeqno), g.sign)
|
||||
msgId = g.msgIdProvider(msg)
|
||||
|
||||
logScope: msgId
|
||||
|
||||
trace "Created new message", msg = shortLog(msg), peers = peers.len
|
||||
|
||||
if g.seen.put(msgId):
|
||||
# custom msgid providers might cause this
|
||||
trace "Dropping already-seen message"
|
||||
return 0
|
||||
|
||||
g.mcache.put(msgId, msg)
|
||||
|
||||
g.broadcast(toSeq(peers), RPCMsg(messages: @[msg]))
|
||||
when defined(libp2p_expensive_metrics):
|
||||
if peers.len > 0:
|
||||
libp2p_pubsub_messages_published.inc(labelValues = [topic])
|
||||
|
||||
trace "Published message to peers"
|
||||
|
||||
return peers.len
|
||||
|
||||
method start*(g: GossipSub) {.async.} =
|
||||
trace "gossipsub start"
|
||||
|
||||
if not g.heartbeatFut.isNil:
|
||||
warn "Starting gossipsub twice"
|
||||
return
|
||||
|
||||
g.heartbeatRunning = true
|
||||
g.heartbeatFut = g.heartbeat()
|
||||
|
||||
method stop*(g: GossipSub) {.async.} =
|
||||
trace "gossipsub stop"
|
||||
if g.heartbeatFut.isNil:
|
||||
warn "Stopping gossipsub without starting it"
|
||||
return
|
||||
|
||||
# stop heartbeat interval
|
||||
g.heartbeatRunning = false
|
||||
if not g.heartbeatFut.finished:
|
||||
trace "awaiting last heartbeat"
|
||||
await g.heartbeatFut
|
||||
trace "heartbeat stopped"
|
||||
g.heartbeatFut = nil
|
||||
|
||||
|
||||
method initPubSub*(g: GossipSub) =
|
||||
procCall FloodSub(g).initPubSub()
|
||||
|
||||
randomize()
|
||||
g.mcache = MCache.init(GossipSubHistoryGossip, GossipSubHistoryLength)
|
||||
g.mesh = initTable[string, HashSet[PubSubPeer]]() # meshes - topic to peer
|
||||
g.fanout = initTable[string, HashSet[PubSubPeer]]() # fanout - topic to peer
|
||||
g.gossipsub = initTable[string, HashSet[PubSubPeer]]()# topic to peer map of all gossipsub peers
|
||||
g.lastFanoutPubSub = initTable[string, Moment]() # last publish time for fanout topics
|
||||
g.gossip = initTable[string, seq[ControlIHave]]() # pending gossip
|
||||
g.control = initTable[string, ControlMessage]() # pending control messages
|
||||
|
|
@ -231,7 +231,7 @@ method subscribePeer*(p: PubSub, peer: PeerID) {.base.} =
|
|||
peer.outbound = true # flag as outbound
|
||||
|
||||
method unsubscribe*(p: PubSub,
|
||||
topics: seq[TopicPair]) {.base, async.} =
|
||||
topics: seq[TopicPair]) {.base.} =
|
||||
## unsubscribe from a list of ``topic`` strings
|
||||
for t in topics:
|
||||
let
|
||||
|
|
@ -250,19 +250,18 @@ method unsubscribe*(p: PubSub,
|
|||
|
||||
proc unsubscribe*(p: PubSub,
|
||||
topic: string,
|
||||
handler: TopicHandler): Future[void] =
|
||||
handler: TopicHandler) =
|
||||
## unsubscribe from a ``topic`` string
|
||||
##
|
||||
|
||||
p.unsubscribe(@[(topic, handler)])
|
||||
|
||||
method unsubscribeAll*(p: PubSub, topic: string) {.base, async.} =
|
||||
method unsubscribeAll*(p: PubSub, topic: string) {.base.} =
|
||||
p.topics.del(topic)
|
||||
libp2p_pubsub_topics.set(p.topics.len.int64)
|
||||
|
||||
method subscribe*(p: PubSub,
|
||||
topic: string,
|
||||
handler: TopicHandler) {.base, async.} =
|
||||
handler: TopicHandler) {.base.} =
|
||||
## subscribe to a topic
|
||||
##
|
||||
## ``topic`` - a string topic to subscribe to
|
||||
|
|
|
|||
|
|
@ -62,7 +62,7 @@ suite "FloodSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
await waitSub(nodes[0], nodes[1], "foobar")
|
||||
|
||||
check (await nodes[0].publish("foobar", "Hello!".toBytes())) > 0
|
||||
|
|
@ -104,7 +104,7 @@ suite "FloodSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[0].subscribe("foobar", handler)
|
||||
nodes[0].subscribe("foobar", handler)
|
||||
await waitSub(nodes[1], nodes[0], "foobar")
|
||||
|
||||
check (await nodes[1].publish("foobar", "Hello!".toBytes())) > 0
|
||||
|
|
@ -147,7 +147,7 @@ suite "FloodSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
await waitSub(nodes[0], nodes[1], "foobar")
|
||||
|
||||
var validatorFut = newFuture[bool]()
|
||||
|
|
@ -195,7 +195,7 @@ suite "FloodSub":
|
|||
))
|
||||
|
||||
await subscribeNodes(nodes)
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
await waitSub(nodes[0], nodes[1], "foobar")
|
||||
|
||||
var validatorFut = newFuture[bool]()
|
||||
|
|
@ -243,9 +243,9 @@ suite "FloodSub":
|
|||
))
|
||||
|
||||
await subscribeNodes(nodes)
|
||||
await nodes[1].subscribe("foo", handler)
|
||||
nodes[1].subscribe("foo", handler)
|
||||
await waitSub(nodes[0], nodes[1], "foo")
|
||||
await nodes[1].subscribe("bar", handler)
|
||||
nodes[1].subscribe("bar", handler)
|
||||
await waitSub(nodes[0], nodes[1], "bar")
|
||||
|
||||
proc validator(topic: string,
|
||||
|
|
@ -299,7 +299,7 @@ suite "FloodSub":
|
|||
await subscribeNodes(nodes)
|
||||
|
||||
for i in 0..<runs:
|
||||
await nodes[i].subscribe("foobar", futs[i][1])
|
||||
nodes[i].subscribe("foobar", futs[i][1])
|
||||
|
||||
var subs: seq[Future[void]]
|
||||
for i in 0..<runs:
|
||||
|
|
@ -349,7 +349,7 @@ suite "FloodSub":
|
|||
await subscribeNodes(nodes)
|
||||
|
||||
for i in 0..<runs:
|
||||
await nodes[i].subscribe("foobar", futs[i][1])
|
||||
nodes[i].subscribe("foobar", futs[i][1])
|
||||
|
||||
var subs: seq[Future[void]]
|
||||
for i in 0..<runs:
|
||||
|
|
|
|||
|
|
@ -1,347 +0,0 @@
|
|||
include ../../libp2p/protocols/pubsub/gossipsub10
|
||||
|
||||
{.used.}
|
||||
|
||||
import options
|
||||
import unittest, bearssl
|
||||
import stew/byteutils
|
||||
import ../../libp2p/standard_setup
|
||||
import ../../libp2p/errors
|
||||
import ../../libp2p/crypto/crypto
|
||||
import ../../libp2p/stream/bufferstream
|
||||
|
||||
import ../helpers
|
||||
|
||||
type
|
||||
TestGossipSub = ref object of GossipSub
|
||||
|
||||
proc noop(data: seq[byte]) {.async, gcsafe.} = discard
|
||||
|
||||
proc getPubSubPeer(p: TestGossipSub, peerId: PeerID): auto =
|
||||
proc getConn(): Future[Connection] =
|
||||
p.switch.dial(peerId, GossipSubCodec)
|
||||
|
||||
newPubSubPeer(peerId, getConn, nil, GossipSubCodec)
|
||||
|
||||
proc randomPeerInfo(): PeerInfo =
|
||||
PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
|
||||
|
||||
suite "GossipSub internal":
|
||||
teardown:
|
||||
checkTrackers()
|
||||
|
||||
asyncTest "`rebalanceMesh` Degree Lo":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
||||
|
||||
var conns = newSeq[Connection]()
|
||||
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
||||
for i in 0..<15:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.sendConn = conn
|
||||
gossipSub.peers[peerInfo.peerId] = peer
|
||||
gossipSub.mesh[topic].incl(peer)
|
||||
|
||||
check gossipSub.peers.len == 15
|
||||
gossipSub.rebalanceMesh(topic)
|
||||
check gossipSub.mesh[topic].len == GossipSubD
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTest "`rebalanceMesh` Degree Hi":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
||||
gossipSub.topics[topic] = Topic() # has to be in topics to rebalance
|
||||
|
||||
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
||||
var conns = newSeq[Connection]()
|
||||
for i in 0..<15:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
gossipSub.peers[peerInfo.peerId] = peer
|
||||
gossipSub.mesh[topic].incl(peer)
|
||||
|
||||
check gossipSub.mesh[topic].len == 15
|
||||
gossipSub.rebalanceMesh(topic)
|
||||
check gossipSub.mesh[topic].len == GossipSubD
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTest "`replenishFanout` Degree Lo":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
||||
discard
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
||||
|
||||
var conns = newSeq[Connection]()
|
||||
for i in 0..<15:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
var peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
gossipSub.gossipsub[topic].incl(peer)
|
||||
|
||||
check gossipSub.gossipsub[topic].len == 15
|
||||
gossipSub.replenishFanout(topic)
|
||||
check gossipSub.fanout[topic].len == GossipSubD
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTest "`dropFanoutPeers` drop expired fanout topics":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
||||
discard
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
|
||||
gossipSub.lastFanoutPubSub[topic] = Moment.fromNow(1.millis)
|
||||
await sleepAsync(5.millis) # allow the topic to expire
|
||||
|
||||
var conns = newSeq[Connection]()
|
||||
for i in 0..<6:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
gossipSub.fanout[topic].incl(peer)
|
||||
|
||||
check gossipSub.fanout[topic].len == GossipSubD
|
||||
|
||||
gossipSub.dropFanoutPeers()
|
||||
check topic notin gossipSub.fanout
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTEst "`dropFanoutPeers` leave unexpired fanout topics":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
||||
discard
|
||||
|
||||
let topic1 = "foobar1"
|
||||
let topic2 = "foobar2"
|
||||
gossipSub.fanout[topic1] = initHashSet[PubSubPeer]()
|
||||
gossipSub.fanout[topic2] = initHashSet[PubSubPeer]()
|
||||
gossipSub.lastFanoutPubSub[topic1] = Moment.fromNow(1.millis)
|
||||
gossipSub.lastFanoutPubSub[topic2] = Moment.fromNow(1.minutes)
|
||||
await sleepAsync(5.millis) # allow the topic to expire
|
||||
|
||||
var conns = newSeq[Connection]()
|
||||
for i in 0..<6:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
gossipSub.fanout[topic1].incl(peer)
|
||||
gossipSub.fanout[topic2].incl(peer)
|
||||
|
||||
check gossipSub.fanout[topic1].len == GossipSubD
|
||||
check gossipSub.fanout[topic2].len == GossipSubD
|
||||
|
||||
gossipSub.dropFanoutPeers()
|
||||
check topic1 notin gossipSub.fanout
|
||||
check topic2 in gossipSub.fanout
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTest "`getGossipPeers` - should gather up to degree D non intersecting peers":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
||||
discard
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
||||
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
|
||||
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
||||
var conns = newSeq[Connection]()
|
||||
|
||||
# generate mesh and fanout peers
|
||||
for i in 0..<30:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
if i mod 2 == 0:
|
||||
gossipSub.fanout[topic].incl(peer)
|
||||
else:
|
||||
gossipSub.mesh[topic].incl(peer)
|
||||
|
||||
# generate gossipsub (free standing) peers
|
||||
for i in 0..<15:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
gossipSub.gossipsub[topic].incl(peer)
|
||||
|
||||
# generate messages
|
||||
var seqno = 0'u64
|
||||
for i in 0..5:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
inc seqno
|
||||
let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
|
||||
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
|
||||
|
||||
check gossipSub.fanout[topic].len == 15
|
||||
check gossipSub.mesh[topic].len == 15
|
||||
check gossipSub.gossipsub[topic].len == 15
|
||||
|
||||
let peers = gossipSub.getGossipPeers()
|
||||
check peers.len == GossipSubD
|
||||
for p in peers.keys:
|
||||
check not gossipSub.fanout.hasPeerID(topic, p.peerId)
|
||||
check not gossipSub.mesh.hasPeerID(topic, p.peerId)
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTest "`getGossipPeers` - should not crash on missing topics in mesh":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
||||
discard
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
|
||||
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
||||
var conns = newSeq[Connection]()
|
||||
for i in 0..<30:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
if i mod 2 == 0:
|
||||
gossipSub.fanout[topic].incl(peer)
|
||||
else:
|
||||
gossipSub.gossipsub[topic].incl(peer)
|
||||
|
||||
# generate messages
|
||||
var seqno = 0'u64
|
||||
for i in 0..5:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
inc seqno
|
||||
let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
|
||||
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
|
||||
|
||||
let peers = gossipSub.getGossipPeers()
|
||||
check peers.len == GossipSubD
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTest "`getGossipPeers` - should not crash on missing topics in fanout":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
||||
discard
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
||||
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
||||
var conns = newSeq[Connection]()
|
||||
for i in 0..<30:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
if i mod 2 == 0:
|
||||
gossipSub.mesh[topic].incl(peer)
|
||||
else:
|
||||
gossipSub.gossipsub[topic].incl(peer)
|
||||
|
||||
# generate messages
|
||||
var seqno = 0'u64
|
||||
for i in 0..5:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
inc seqno
|
||||
let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
|
||||
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
|
||||
|
||||
let peers = gossipSub.getGossipPeers()
|
||||
check peers.len == GossipSubD
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
||||
asyncTest "`getGossipPeers` - should not crash on missing topics in gossip":
|
||||
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
||||
|
||||
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
||||
discard
|
||||
|
||||
let topic = "foobar"
|
||||
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
||||
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
|
||||
var conns = newSeq[Connection]()
|
||||
for i in 0..<30:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
||||
peer.handler = handler
|
||||
if i mod 2 == 0:
|
||||
gossipSub.mesh[topic].incl(peer)
|
||||
else:
|
||||
gossipSub.fanout[topic].incl(peer)
|
||||
|
||||
# generate messages
|
||||
var seqno = 0'u64
|
||||
for i in 0..5:
|
||||
let conn = newBufferStream(noop)
|
||||
conns &= conn
|
||||
let peerInfo = randomPeerInfo()
|
||||
conn.peerInfo = peerInfo
|
||||
inc seqno
|
||||
let msg = Message.init(some(peerInfo), ("bar" & $i).toBytes(), topic, some(seqno), false)
|
||||
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
|
||||
|
||||
let peers = gossipSub.getGossipPeers()
|
||||
check peers.len == 0
|
||||
|
||||
await allFuturesThrowing(conns.mapIt(it.close()))
|
||||
await gossipSub.switch.stop()
|
||||
|
|
@ -19,15 +19,10 @@ import utils, ../../libp2p/[errors,
|
|||
stream/bufferstream,
|
||||
crypto/crypto,
|
||||
protocols/pubsub/pubsub,
|
||||
protocols/pubsub/gossipsub,
|
||||
protocols/pubsub/pubsubpeer,
|
||||
protocols/pubsub/peertable,
|
||||
protocols/pubsub/rpc/messages]
|
||||
|
||||
when defined(fallback_gossipsub_10):
|
||||
import ../../libp2p/protocols/pubsub/gossipsub10
|
||||
else:
|
||||
import ../../libp2p/protocols/pubsub/gossipsub
|
||||
|
||||
import ../helpers
|
||||
|
||||
proc waitSub(sender, receiver: auto; key: string) {.async, gcsafe.} =
|
||||
|
|
@ -99,8 +94,8 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[0].subscribe("foobar", handler)
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[0].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
|
||||
var subs: seq[Future[void]]
|
||||
subs &= waitSub(nodes[1], nodes[0], "foobar")
|
||||
|
|
@ -155,8 +150,8 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[0].subscribe("foobar", handler)
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[0].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
|
||||
var subs: seq[Future[void]]
|
||||
subs &= waitSub(nodes[1], nodes[0], "foobar")
|
||||
|
|
@ -217,8 +212,8 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[0].subscribe("foobar", handler)
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[0].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
|
||||
var subs: seq[Future[void]]
|
||||
subs &= waitSub(nodes[1], nodes[0], "foobar")
|
||||
|
|
@ -281,8 +276,8 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[1].subscribe("foo", handler)
|
||||
await nodes[1].subscribe("bar", handler)
|
||||
nodes[1].subscribe("foo", handler)
|
||||
nodes[1].subscribe("bar", handler)
|
||||
|
||||
var passed, failed: Future[bool] = newFuture[bool]()
|
||||
proc validator(topic: string,
|
||||
|
|
@ -347,7 +342,7 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
await sleepAsync(10.seconds)
|
||||
|
||||
let gossip1 = GossipSub(nodes[0])
|
||||
|
|
@ -395,8 +390,8 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[0].subscribe("foobar", handler)
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[0].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
|
||||
var subs: seq[Future[void]]
|
||||
subs &= waitSub(nodes[1], nodes[0], "foobar")
|
||||
|
|
@ -460,7 +455,7 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
await waitSub(nodes[0], nodes[1], "foobar")
|
||||
|
||||
var observed = 0
|
||||
|
|
@ -532,8 +527,8 @@ suite "GossipSub":
|
|||
|
||||
await subscribeNodes(nodes)
|
||||
|
||||
await nodes[0].subscribe("foobar", handler)
|
||||
await nodes[1].subscribe("foobar", handler)
|
||||
nodes[0].subscribe("foobar", handler)
|
||||
nodes[1].subscribe("foobar", handler)
|
||||
await waitSub(nodes[0], nodes[1], "foobar")
|
||||
|
||||
tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 1
|
||||
|
|
@ -588,7 +583,7 @@ suite "GossipSub":
|
|||
if not seenFut.finished() and seen.len >= runs:
|
||||
seenFut.complete()
|
||||
|
||||
await dialer.subscribe("foobar", handler)
|
||||
dialer.subscribe("foobar", handler)
|
||||
await waitSub(nodes[0], dialer, "foobar")
|
||||
|
||||
tryPublish await wait(nodes[0].publish("foobar",
|
||||
|
|
@ -640,7 +635,7 @@ suite "GossipSub":
|
|||
if not seenFut.finished() and seen.len >= runs:
|
||||
seenFut.complete()
|
||||
|
||||
await dialer.subscribe("foobar", handler)
|
||||
dialer.subscribe("foobar", handler)
|
||||
await waitSub(nodes[0], dialer, "foobar")
|
||||
|
||||
tryPublish await wait(nodes[0].publish("foobar",
|
||||
|
|
|
|||
|
|
@ -4,18 +4,14 @@ const
|
|||
libp2p_pubsub_verify {.booldefine.} = true
|
||||
libp2p_pubsub_anonymize {.booldefine.} = false
|
||||
|
||||
import random
|
||||
import random, tables
|
||||
import chronos
|
||||
import ../../libp2p/[standard_setup,
|
||||
protocols/pubsub/pubsub,
|
||||
protocols/pubsub/gossipsub,
|
||||
protocols/pubsub/floodsub,
|
||||
protocols/secure/secure]
|
||||
|
||||
when defined(fallback_gossipsub_10):
|
||||
import ../../libp2p/protocols/pubsub/gossipsub10
|
||||
else:
|
||||
import ../../libp2p/protocols/pubsub/gossipsub
|
||||
|
||||
export standard_setup
|
||||
|
||||
randomize()
|
||||
|
|
@ -35,14 +31,19 @@ proc generateNodes*(
|
|||
for i in 0..<num:
|
||||
let switch = newStandardSwitch(secureManagers = secureManagers)
|
||||
let pubsub = if gossip:
|
||||
GossipSub.init(
|
||||
let g = GossipSub.init(
|
||||
switch = switch,
|
||||
triggerSelf = triggerSelf,
|
||||
verifySignature = verifySignature,
|
||||
sign = sign,
|
||||
msgIdProvider = msgIdProvider,
|
||||
anonymize = anonymize,
|
||||
parameters = (var p = GossipSubParams.init(); p.floodPublish = false; p)).PubSub
|
||||
parameters = (var p = GossipSubParams.init(); p.floodPublish = false; p))
|
||||
# set some testing params, to enable scores
|
||||
g.topicParams.mgetOrPut("foobar", TopicParams.init()).topicWeight = 1.0
|
||||
g.topicParams.mgetOrPut("foo", TopicParams.init()).topicWeight = 1.0
|
||||
g.topicParams.mgetOrPut("bar", TopicParams.init()).topicWeight = 1.0
|
||||
g.PubSub
|
||||
else:
|
||||
FloodSub.init(
|
||||
switch = switch,
|
||||
|
|
|
|||
|
|
@ -109,7 +109,7 @@ proc testPubSubDaemonPublish(gossip: bool = false, count: int = 1) {.async.} =
|
|||
result = true # don't cancel subscription
|
||||
|
||||
asyncDiscard daemonNode.pubsubSubscribe(testTopic, pubsubHandler)
|
||||
await pubsub.subscribe(testTopic, nativeHandler)
|
||||
pubsub.subscribe(testTopic, nativeHandler)
|
||||
await sleepAsync(5.seconds)
|
||||
|
||||
proc publisher() {.async.} =
|
||||
|
|
@ -174,7 +174,7 @@ proc testPubSubNodePublish(gossip: bool = false, count: int = 1) {.async.} =
|
|||
|
||||
discard await daemonNode.pubsubSubscribe(testTopic, pubsubHandler)
|
||||
proc nativeHandler(topic: string, data: seq[byte]) {.async.} = discard
|
||||
await pubsub.subscribe(testTopic, nativeHandler)
|
||||
pubsub.subscribe(testTopic, nativeHandler)
|
||||
await sleepAsync(5.seconds)
|
||||
|
||||
proc publisher() {.async.} =
|
||||
|
|
|
|||
Loading…
Reference in New Issue