431 lines
14 KiB
Nim
431 lines
14 KiB
Nim
import options, tables
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import unittest
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import chronos, chronicles
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import ../libp2p/[daemon/daemonapi,
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protobuf/minprotobuf,
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vbuffer,
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multiaddress,
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multicodec,
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cid,
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varint,
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multihash,
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peer,
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peerinfo,
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switch,
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connection,
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stream/lpstream,
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muxers/muxer,
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crypto/crypto,
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muxers/mplex/mplex,
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muxers/muxer,
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muxers/mplex/types,
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protocols/protocol,
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protocols/identify,
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transports/transport,
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transports/tcptransport,
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protocols/secure/secure,
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protocols/secure/secio,
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protocols/pubsub/pubsub,
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protocols/pubsub/gossipsub,
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protocols/pubsub/floodsub]
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type
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# TODO: Unify both PeerInfo structs
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NativePeerInfo = peerinfo.PeerInfo
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DaemonPeerInfo = daemonapi.PeerInfo
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proc writeLp*(s: StreamTransport, msg: string | seq[byte]): Future[int] {.gcsafe.} =
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## write lenght prefixed
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var buf = initVBuffer()
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buf.writeSeq(msg)
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buf.finish()
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result = s.write(buf.buffer)
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proc readLp*(s: StreamTransport): Future[seq[byte]] {.async, gcsafe.} =
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## read lenght prefixed msg
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var
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size: uint
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length: int
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res: VarintStatus
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result = newSeq[byte](10)
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try:
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for i in 0..<len(result):
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await s.readExactly(addr result[i], 1)
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res = LP.getUVarint(result.toOpenArray(0, i), length, size)
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if res == VarintStatus.Success:
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break
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if res != VarintStatus.Success:
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raise newInvalidVarintException()
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result.setLen(size)
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if size > 0.uint:
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await s.readExactly(addr result[0], int(size))
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except TransportIncompleteError as exc:
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trace "remote connection ended unexpectedly", exc = exc.msg
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except TransportError as exc:
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trace "unable to read from remote connection", exc = exc.msg
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proc createNode*(privKey: Option[PrivateKey] = none(PrivateKey),
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address: string = "/ip4/127.0.0.1/tcp/0",
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triggerSelf: bool = false,
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gossip: bool = false): Switch =
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var seckey = privKey
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if privKey.isNone:
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seckey = some(PrivateKey.random(RSA))
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var peerInfo = NativePeerInfo.init(seckey.get(), [Multiaddress.init(address)])
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proc createMplex(conn: Connection): Muxer = newMplex(conn)
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let mplexProvider = newMuxerProvider(createMplex, MplexCodec)
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let transports = @[Transport(newTransport(TcpTransport))]
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let muxers = [(MplexCodec, mplexProvider)].toTable()
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let identify = newIdentify(peerInfo)
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let secureManagers = [(SecioCodec, Secure(newSecio(seckey.get())))].toTable()
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var pubSub: Option[PubSub]
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if gossip:
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pubSub = some(PubSub(newPubSub(GossipSub, peerInfo, triggerSelf)))
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else:
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pubSub = some(PubSub(newPubSub(FloodSub, peerInfo, triggerSelf)))
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result = newSwitch(peerInfo,
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transports,
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identify,
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muxers,
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secureManagers = secureManagers,
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pubSub = pubSub)
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proc testPubSubDaemonPublish(gossip: bool = false,
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count: int = 1): Future[bool] {.async.} =
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var pubsubData = "TEST MESSAGE"
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var testTopic = "test-topic"
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var msgData = cast[seq[byte]](pubsubData)
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var flags = {PSFloodSub}
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if gossip:
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flags = {PSGossipSub}
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let daemonNode = await newDaemonApi(flags)
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let daemonPeer = await daemonNode.identity()
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let nativeNode = createNode(gossip = gossip)
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let awaiters = nativeNode.start()
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let nativePeer = nativeNode.peerInfo
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var handlerFuture = newFuture[bool]()
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var times = 0
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proc nativeHandler(topic: string, data: seq[byte]) {.async.} =
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let smsg = cast[string](data)
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check smsg == pubsubData
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times.inc()
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if times >= count and not handlerFuture.finished:
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handlerFuture.complete(true)
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await nativeNode.connect(NativePeerInfo.init(daemonPeer.peer,
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daemonPeer.addresses))
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await sleepAsync(1.seconds)
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await daemonNode.connect(nativePeer.peerId, nativePeer.addrs)
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proc pubsubHandler(api: DaemonAPI,
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ticket: PubsubTicket,
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message: PubSubMessage): Future[bool] {.async.} =
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result = true # don't cancel subscription
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asyncDiscard daemonNode.pubsubSubscribe(testTopic, pubsubHandler)
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await nativeNode.subscribe(testTopic, nativeHandler)
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while times < count:
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await sleepAsync(1.seconds)
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await daemonNode.pubsubPublish(testTopic, msgData)
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await sleepAsync(100.millis)
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result = await handlerFuture
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await nativeNode.stop()
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await allFutures(awaiters)
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await daemonNode.close()
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proc testPubSubNodePublish(gossip: bool = false,
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count: int = 1): Future[bool] {.async.} =
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var pubsubData = "TEST MESSAGE"
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var testTopic = "test-topic"
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var msgData = cast[seq[byte]](pubsubData)
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var flags = {PSFloodSub}
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if gossip:
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flags = {PSGossipSub}
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let daemonNode = await newDaemonApi(flags)
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let daemonPeer = await daemonNode.identity()
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let nativeNode = createNode(gossip = gossip)
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let awaiters = nativeNode.start()
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let nativePeer = nativeNode.peerInfo
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var handlerFuture = newFuture[bool]()
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await nativeNode.connect(NativePeerInfo.init(daemonPeer.peer,
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daemonPeer.addresses))
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await sleepAsync(1.seconds)
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await daemonNode.connect(nativePeer.peerId, nativePeer.addrs)
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var times = 0
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proc pubsubHandler(api: DaemonAPI,
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ticket: PubsubTicket,
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message: PubSubMessage): Future[bool] {.async.} =
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let smsg = cast[string](message.data)
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check smsg == pubsubData
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times.inc()
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if times >= count:
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handlerFuture.complete(true)
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result = true # don't cancel subscription
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discard await daemonNode.pubsubSubscribe(testTopic, pubsubHandler)
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proc nativeHandler(topic: string, data: seq[byte]) {.async.} = discard
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await nativeNode.subscribe(testTopic, nativeHandler)
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await sleepAsync(1.seconds)
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while times < count:
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await sleepAsync(1.seconds)
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await nativeNode.publish(testTopic, msgData)
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await sleepAsync(100.millis)
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result = await handlerFuture
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await nativeNode.stop()
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await allFutures(awaiters)
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await daemonNode.close()
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suite "Interop":
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test "native -> daemon multiple reads and writes":
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proc runTests(): Future[bool] {.async.} =
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var protos = @["/test-stream"]
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let nativeNode = createNode()
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let awaiters = await nativeNode.start()
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let daemonNode = await newDaemonApi()
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let daemonPeer = await daemonNode.identity()
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var testFuture = newFuture[void]("test.future")
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proc daemonHandler(api: DaemonAPI, stream: P2PStream) {.async.} =
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check cast[string](await stream.transp.readLp()) == "test 1"
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asyncDiscard stream.transp.writeLp("test 2")
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await sleepAsync(10.millis)
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check cast[string](await stream.transp.readLp()) == "test 3"
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asyncDiscard stream.transp.writeLp("test 4")
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testFuture.complete()
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await daemonNode.addHandler(protos, daemonHandler)
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let conn = await nativeNode.dial(NativePeerInfo.init(daemonPeer.peer,
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daemonPeer.addresses),
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protos[0])
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await conn.writeLp("test 1")
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check "test 2" == cast[string]((await conn.readLp()))
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await sleepAsync(10.millis)
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await conn.writeLp("test 3")
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check "test 4" == cast[string]((await conn.readLp()))
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await wait(testFuture, 10.secs)
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await nativeNode.stop()
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await allFutures(awaiters)
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await daemonNode.close()
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result = true
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check:
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waitFor(runTests()) == true
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test "native -> daemon connection":
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proc runTests(): Future[bool] {.async.} =
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var protos = @["/test-stream"]
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var test = "TEST STRING"
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# We are preparing expect string, which should be prefixed with varint
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# length and do not have `\r\n` suffix, because we going to use
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# readLine().
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var buffer = initVBuffer()
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buffer.writeSeq(test & "\r\n")
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buffer.finish()
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var expect = newString(len(buffer) - 2)
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copyMem(addr expect[0], addr buffer.buffer[0], len(expect))
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let nativeNode = createNode()
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let awaiters = await nativeNode.start()
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let daemonNode = await newDaemonApi()
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let daemonPeer = await daemonNode.identity()
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var testFuture = newFuture[string]("test.future")
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proc daemonHandler(api: DaemonAPI, stream: P2PStream) {.async.} =
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# We should perform `readLp()` instead of `readLine()`. `readLine()`
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# here reads actually length prefixed string.
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var line = await stream.transp.readLine()
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check line == expect
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testFuture.complete(line)
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await daemonNode.addHandler(protos, daemonHandler)
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let conn = await nativeNode.dial(NativePeerInfo.init(daemonPeer.peer,
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daemonPeer.addresses),
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protos[0])
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await conn.writeLp(test & "\r\n")
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result = expect == (await wait(testFuture, 10.secs))
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await nativeNode.stop()
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await allFutures(awaiters)
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await daemonNode.close()
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check:
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waitFor(runTests()) == true
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test "daemon -> native connection":
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proc runTests(): Future[bool] {.async.} =
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var protos = @["/test-stream"]
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var test = "TEST STRING"
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var testFuture = newFuture[string]("test.future")
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proc nativeHandler(conn: Connection, proto: string) {.async.} =
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var line = cast[string](await conn.readLp())
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check line == test
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testFuture.complete(line)
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await conn.close()
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# custom proto
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var proto = new LPProtocol
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proto.handler = nativeHandler
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proto.codec = protos[0] # codec
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let nativeNode = createNode()
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nativeNode.mount(proto)
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let awaiters = await nativeNode.start()
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let nativePeer = nativeNode.peerInfo
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let daemonNode = await newDaemonApi()
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await daemonNode.connect(nativePeer.peerId, nativePeer.addrs)
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var stream = await daemonNode.openStream(nativePeer.peerId, protos)
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discard await stream.transp.writeLp(test)
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result = test == (await wait(testFuture, 10.secs))
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await nativeNode.stop()
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await allFutures(awaiters)
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await daemonNode.close()
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check:
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waitFor(runTests()) == true
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test "daemon -> multiple reads and writes":
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proc runTests(): Future[bool] {.async.} =
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var protos = @["/test-stream"]
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var testFuture = newFuture[void]("test.future")
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proc nativeHandler(conn: Connection, proto: string) {.async.} =
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check "test 1" == cast[string](await conn.readLp())
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await conn.writeLp(cast[seq[byte]]("test 2"))
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check "test 3" == cast[string](await conn.readLp())
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await conn.writeLp(cast[seq[byte]]("test 4"))
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testFuture.complete()
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await conn.close()
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# custom proto
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var proto = new LPProtocol
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proto.handler = nativeHandler
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proto.codec = protos[0] # codec
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let nativeNode = createNode()
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nativeNode.mount(proto)
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let awaiters = await nativeNode.start()
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let nativePeer = nativeNode.peerInfo
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let daemonNode = await newDaemonApi()
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await daemonNode.connect(nativePeer.peerId, nativePeer.addrs)
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var stream = await daemonNode.openStream(nativePeer.peerId, protos)
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asyncDiscard stream.transp.writeLp("test 1")
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check "test 2" == cast[string](await stream.transp.readLp())
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asyncDiscard stream.transp.writeLp("test 3")
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check "test 4" == cast[string](await stream.transp.readLp())
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await wait(testFuture, 10.secs)
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result = true
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await nativeNode.stop()
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await allFutures(awaiters)
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await daemonNode.close()
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check:
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waitFor(runTests()) == true
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test "read write multiple":
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proc runTests(): Future[bool] {.async.} =
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var protos = @["/test-stream"]
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var test = "TEST STRING"
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var count = 0
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var testFuture = newFuture[int]("test.future")
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proc nativeHandler(conn: Connection, proto: string) {.async.} =
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while count < 10:
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var line = cast[string](await conn.readLp())
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check line == test
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await conn.writeLp(cast[seq[byte]](test))
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count.inc()
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testFuture.complete(count)
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await conn.close()
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# custom proto
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var proto = new LPProtocol
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proto.handler = nativeHandler
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proto.codec = protos[0] # codec
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let nativeNode = createNode()
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nativeNode.mount(proto)
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let awaiters = await nativeNode.start()
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let nativePeer = nativeNode.peerInfo
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let daemonNode = await newDaemonApi()
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await daemonNode.connect(nativePeer.peerId, nativePeer.addrs)
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var stream = await daemonNode.openStream(nativePeer.peerId, protos)
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var count2 = 0
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while count2 < 10:
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discard await stream.transp.writeLp(test)
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let line = await stream.transp.readLp()
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check test == cast[string](line)
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inc(count2)
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result = 10 == (await wait(testFuture, 10.secs))
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await nativeNode.stop()
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await allFutures(awaiters)
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await daemonNode.close()
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check:
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waitFor(runTests()) == true
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test "floodsub: daemon publish one":
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check:
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waitFor(testPubSubDaemonPublish()) == true
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test "floodsub: daemon publish many":
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check:
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waitFor(testPubSubDaemonPublish(count = 10)) == true
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test "gossipsub: daemon publish one":
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check:
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waitFor(testPubSubDaemonPublish(gossip = true)) == true
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test "gossipsub: daemon publish many":
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check:
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waitFor(testPubSubDaemonPublish(gossip = true, count = 10)) == true
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test "floodsub: node publish one":
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check:
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waitFor(testPubSubNodePublish()) == true
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test "floodsub: node publish many":
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check:
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waitFor(testPubSubNodePublish(count = 10)) == true
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test "gossipsub: node publish one":
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check:
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waitFor(testPubSubNodePublish(gossip = true)) == true
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test "gossipsub: node publish many":
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check:
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waitFor(testPubSubNodePublish(gossip = true, count = 10)) == true
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