nim-libp2p/tests/testinterop.nim

386 lines
13 KiB
Nim

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