nim-libp2p/tests/testhpservice.nim

301 lines
9.4 KiB
Nim

# Nim-LibP2P
# Copyright (c) 2022 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.
{.used.}
{.push raises: [].}
import chronos
import unittest2
import ./helpers
import ./stubs/switchstub
import ../libp2p/[builders, switch, wire, services/hpservice, services/autorelayservice]
import ../libp2p/protocols/connectivity/relay/[relay, client]
import ../libp2p/protocols/connectivity/autonat/[service]
import ../libp2p/nameresolving/[nameresolver, mockresolver]
import stubs/autonatclientstub
proc createSwitch(
r: Relay = nil, hpService: Service = nil, nameResolver: NameResolver = nil
): Switch {.raises: [LPError].} =
var builder = SwitchBuilder
.new()
.withRng(newRng())
.withAddresses(@[MultiAddress.init("/ip4/0.0.0.0/tcp/0").tryGet()])
.withTcpTransport()
.withMplex()
.withAutonat()
.withNoise()
if hpService != nil:
builder = builder.withServices(@[hpService])
if r != nil:
builder = builder.withCircuitRelay(r)
if nameResolver != nil:
builder = builder.withNameResolver(nameResolver)
return builder.build()
proc buildRelayMA(switchRelay: Switch, switchClient: Switch): MultiAddress =
MultiAddress
.init(
$switchRelay.peerInfo.addrs[0] & "/p2p/" & $switchRelay.peerInfo.peerId &
"/p2p-circuit/p2p/" & $switchClient.peerInfo.peerId
)
.get()
suite "Hole Punching":
teardown:
checkTrackers()
asyncTest "Direct connection must work when peer address is public":
let autonatClientStub = AutonatClientStub.new(expectedDials = 1)
autonatClientStub.answer = NotReachable
let autonatService =
AutonatService.new(autonatClientStub, newRng(), maxQueueSize = 1)
let relayClient = RelayClient.new()
let privatePeerRelayAddr = newFuture[seq[MultiAddress]]()
let publicPeerSwitch = createSwitch(RelayClient.new())
proc checkMA(address: seq[MultiAddress]) =
if not privatePeerRelayAddr.completed():
privatePeerRelayAddr.complete(address)
let autoRelayService = AutoRelayService.new(1, relayClient, checkMA, newRng())
let hpservice = HPService.new(autonatService, autoRelayService)
let privatePeerSwitch =
createSwitch(relayClient, hpservice, nameresolver = MockResolver.default())
let peerSwitch = createSwitch()
let switchRelay = createSwitch(Relay.new())
await allFuturesThrowing(
switchRelay.start(),
privatePeerSwitch.start(),
publicPeerSwitch.start(),
peerSwitch.start(),
)
publicPeerSwitch.peerInfo.addrs.add(
[
MultiAddress.init("/dns4/localhost/").tryGet() &
publicPeerSwitch.peerInfo.addrs[0][1].tryGet()
]
)
await privatePeerSwitch.connect(
switchRelay.peerInfo.peerId, switchRelay.peerInfo.addrs
)
await privatePeerSwitch.connect(
peerSwitch.peerInfo.peerId, peerSwitch.peerInfo.addrs
) # for autonat
await publicPeerSwitch.connect(
privatePeerSwitch.peerInfo.peerId, (await privatePeerRelayAddr)
)
checkUntilTimeout:
privatePeerSwitch.connManager.connCount(publicPeerSwitch.peerInfo.peerId) == 1
not isRelayed(
privatePeerSwitch.connManager.selectMuxer(publicPeerSwitch.peerInfo.peerId).connection
)
await allFuturesThrowing(
privatePeerSwitch.stop(),
publicPeerSwitch.stop(),
switchRelay.stop(),
peerSwitch.stop(),
)
asyncTest "Direct connection must work when peer address is public and dns is used":
let autonatClientStub = AutonatClientStub.new(expectedDials = 1)
autonatClientStub.answer = NotReachable
let autonatService =
AutonatService.new(autonatClientStub, newRng(), maxQueueSize = 1)
let relayClient = RelayClient.new()
let privatePeerRelayAddr = newFuture[seq[MultiAddress]]()
let publicPeerSwitch = createSwitch(RelayClient.new())
proc checkMA(address: seq[MultiAddress]) =
if not privatePeerRelayAddr.completed():
privatePeerRelayAddr.complete(address)
let autoRelayService = AutoRelayService.new(1, relayClient, checkMA, newRng())
let hpservice = HPService.new(autonatService, autoRelayService)
let privatePeerSwitch =
createSwitch(relayClient, hpservice, nameResolver = MockResolver.default())
let peerSwitch = createSwitch()
let switchRelay = createSwitch(Relay.new())
await allFuturesThrowing(
switchRelay.start(),
privatePeerSwitch.start(),
publicPeerSwitch.start(),
peerSwitch.start(),
)
publicPeerSwitch.peerInfo.addrs.add(
[
MultiAddress.init("/dns4/localhost/").tryGet() &
publicPeerSwitch.peerInfo.addrs[0][1].tryGet()
]
)
await privatePeerSwitch.connect(
switchRelay.peerInfo.peerId, switchRelay.peerInfo.addrs
)
await privatePeerSwitch.connect(
peerSwitch.peerInfo.peerId, peerSwitch.peerInfo.addrs
) # for autonat
await publicPeerSwitch.connect(
privatePeerSwitch.peerInfo.peerId, (await privatePeerRelayAddr)
)
checkUntilTimeout:
privatePeerSwitch.connManager.connCount(publicPeerSwitch.peerInfo.peerId) == 1
not isRelayed(
privatePeerSwitch.connManager.selectMuxer(publicPeerSwitch.peerInfo.peerId).connection
)
await allFuturesThrowing(
privatePeerSwitch.stop(),
publicPeerSwitch.stop(),
switchRelay.stop(),
peerSwitch.stop(),
)
proc holePunchingTest(
initiatorConnectStub: connectStubType,
rcvConnectStub: connectStubType,
answer: Answer,
) {.async.} =
# There's no check in this test cause it can't test hole punching locally. It exists just to be sure the rest of
# the code works properly.
let autonatClientStub1 = AutonatClientStub.new(expectedDials = 1)
autonatClientStub1.answer = NotReachable
let autonatService1 =
AutonatService.new(autonatClientStub1, newRng(), maxQueueSize = 1)
let autonatClientStub2 = AutonatClientStub.new(expectedDials = 1)
autonatClientStub2.answer = answer
let autonatService2 =
AutonatService.new(autonatClientStub2, newRng(), maxQueueSize = 1)
let relayClient1 = RelayClient.new()
let relayClient2 = RelayClient.new()
let privatePeerRelayAddr1 = newFuture[seq[MultiAddress]]()
proc checkMA(address: seq[MultiAddress]) =
if not privatePeerRelayAddr1.completed():
privatePeerRelayAddr1.complete(address)
let autoRelayService1 = AutoRelayService.new(1, relayClient1, checkMA, newRng())
let autoRelayService2 = AutoRelayService.new(1, relayClient2, nil, newRng())
let hpservice1 = HPService.new(autonatService1, autoRelayService1)
let hpservice2 = HPService.new(autonatService2, autoRelayService2)
let privatePeerSwitch1 = SwitchStub.new(
createSwitch(relayClient1, hpservice1, nameresolver = MockResolver.default())
)
let privatePeerSwitch2 = SwitchStub.new(createSwitch(relayClient2, hpservice2))
let switchRelay = createSwitch(Relay.new())
let switchAux = createSwitch()
let switchAux2 = createSwitch()
let switchAux3 = createSwitch()
let switchAux4 = createSwitch()
var awaiter = newFuture[void]()
await allFuturesThrowing(
switchRelay.start(),
privatePeerSwitch1.start(),
privatePeerSwitch2.start(),
switchAux.start(),
switchAux2.start(),
switchAux3.start(),
switchAux4.start(),
)
await privatePeerSwitch1.connect(
switchRelay.peerInfo.peerId, switchRelay.peerInfo.addrs
)
await privatePeerSwitch2.connect(
switchAux.peerInfo.peerId, switchAux.peerInfo.addrs
)
await sleepAsync(200.millis)
await privatePeerSwitch1.connect(
switchAux2.peerInfo.peerId, switchAux2.peerInfo.addrs
)
await privatePeerSwitch1.connect(
switchAux3.peerInfo.peerId, switchAux3.peerInfo.addrs
)
await privatePeerSwitch1.connect(
switchAux4.peerInfo.peerId, switchAux4.peerInfo.addrs
)
await privatePeerSwitch2.connect(
switchAux2.peerInfo.peerId, switchAux2.peerInfo.addrs
)
await privatePeerSwitch2.connect(
switchAux3.peerInfo.peerId, switchAux3.peerInfo.addrs
)
await privatePeerSwitch2.connect(
switchAux4.peerInfo.peerId, switchAux4.peerInfo.addrs
)
privatePeerSwitch1.connectStub = initiatorConnectStub
await privatePeerSwitch2.connect(
privatePeerSwitch1.peerInfo.peerId, (await privatePeerRelayAddr1)
)
privatePeerSwitch2.connectStub = rcvConnectStub
# wait for hole punching to finish in the background
await sleepAsync(600.millis)
await allFuturesThrowing(
privatePeerSwitch1.stop(),
privatePeerSwitch2.stop(),
switchRelay.stop(),
switchAux.stop(),
switchAux2.stop(),
switchAux3.stop(),
switchAux4.stop(),
)
asyncTest "Hole punching when peers addresses are private":
await holePunchingTest(nil, nil, NotReachable)
asyncTest "Hole punching when peers addresses are private and there is an error in the initiator side":
proc connectStub(
self: SwitchStub,
peerId: PeerId,
addrs: seq[MultiAddress],
forceDial = false,
reuseConnection = true,
dir = Direction.Out,
): Future[void] {.async.} =
self.connectStub = nil # this stub should be called only once
raise newException(CatchableError, "error")
await holePunchingTest(connectStub, nil, Reachable)