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testswitch.nim
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{.used.}
# Nim-Libp2p
# Copyright (c) 2023 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.
import options, sequtils
import chronos
import stew/byteutils
import
../libp2p/[
errors,
switch,
multistream,
builders,
stream/bufferstream,
stream/connection,
multicodec,
multiaddress,
peerinfo,
crypto/crypto,
protocols/protocol,
protocols/secure/secure,
muxers/muxer,
muxers/mplex/lpchannel,
stream/lpstream,
nameresolving/mockresolver,
stream/chronosstream,
utils/semaphore,
transports/tcptransport,
transports/wstransport,
transports/quictransport,
]
import ./helpers
const TestCodec = "/test/proto/1.0.0"
type TestProto = ref object of LPProtocol
suite "Switch":
teardown:
checkTrackers()
asyncTest "e2e use switch dial proto string":
let done = newFuture[void]()
proc handle(conn: Connection, proto: string) {.async.} =
try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.writeLp("Hello!")
finally:
await conn.close()
done.complete()
let testProto = new TestProto
testProto.codec = TestCodec
testProto.handler = handle
let switch1 = newStandardSwitch()
switch1.mount(testProto)
let switch2 = newStandardSwitch()
await switch1.start()
await switch2.start()
let conn =
await switch2.dial(switch1.peerInfo.peerId, switch1.peerInfo.addrs, TestCodec)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await conn.writeLp("Hello!")
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.close()
await allFuturesThrowing(done.wait(5.seconds), switch1.stop(), switch2.stop())
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
asyncTest "e2e use switch dial proto string with custom matcher":
let done = newFuture[void]()
proc handle(conn: Connection, proto: string) {.async.} =
try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.writeLp("Hello!")
finally:
await conn.close()
done.complete()
let testProto = new TestProto
testProto.codec = TestCodec
testProto.handler = handle
let callProto = TestCodec & "/pew"
proc match(proto: string): bool {.gcsafe.} =
return proto == callProto
let switch1 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
switch1.mount(testProto, match)
let switch2 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
await switch1.start()
await switch2.start()
let conn =
await switch2.dial(switch1.peerInfo.peerId, switch1.peerInfo.addrs, callProto)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await conn.writeLp("Hello!")
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.close()
await allFuturesThrowing(done.wait(5.seconds), switch1.stop(), switch2.stop())
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
asyncTest "e2e should not leak bufferstreams and connections on channel close":
let done = newFuture[void]()
proc handle(conn: Connection, proto: string) {.async.} =
try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.writeLp("Hello!")
finally:
await conn.close()
done.complete()
let testProto = new TestProto
testProto.codec = TestCodec
testProto.handler = handle
let switch1 = newStandardSwitch()
switch1.mount(testProto)
let switch2 = newStandardSwitch()
await switch1.start()
await switch2.start()
let conn =
await switch2.dial(switch1.peerInfo.peerId, switch1.peerInfo.addrs, TestCodec)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await conn.writeLp("Hello!")
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.close()
await allFuturesThrowing(done.wait(5.seconds), switch1.stop(), switch2.stop())
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
asyncTest "e2e use connect then dial":
proc handle(conn: Connection, proto: string) {.async.} =
try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
finally:
await conn.writeLp("Hello!")
await conn.close()
let testProto = new TestProto
testProto.codec = TestCodec
testProto.handler = handle
let switch1 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
switch1.mount(testProto)
let switch2 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
await switch1.start()
await switch2.start()
await switch2.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
let conn =
await switch2.dial(switch1.peerInfo.peerId, switch1.peerInfo.addrs, TestCodec)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await conn.writeLp("Hello!")
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await allFuturesThrowing(conn.close(), switch1.stop(), switch2.stop())
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
asyncTest "e2e connect to peer with unknown PeerId":
let resolver = MockResolver.new()
let switch1 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
let switch2 = newStandardSwitch(
secureManagers = [SecureProtocol.Noise], nameResolver = resolver
)
await switch1.start()
await switch2.start()
# via dnsaddr
resolver.txtResponses["_dnsaddr.test.io"] =
@["dnsaddr=" & $switch1.peerInfo.addrs[0] & "/p2p/" & $switch1.peerInfo.peerId]
check:
(await switch2.connect(MultiAddress.init("/dnsaddr/test.io/").tryGet(), true)) ==
switch1.peerInfo.peerId
await switch2.disconnect(switch1.peerInfo.peerId)
# via direct ip
check not switch2.isConnected(switch1.peerInfo.peerId)
check:
(await switch2.connect(switch1.peerInfo.addrs[0], true)) == switch1.peerInfo.peerId
await switch2.disconnect(switch1.peerInfo.peerId)
await allFuturesThrowing(switch1.stop(), switch2.stop())
asyncTest "e2e connect to peer with known PeerId":
let switch1 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
let switch2 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
await switch1.start()
await switch2.start()
# via direct ip
check not switch2.isConnected(switch1.peerInfo.peerId)
# without specifying allow unknown, will fail
expect(DialFailedError):
discard await switch2.connect(switch1.peerInfo.addrs[0])
# with invalid PeerId, will fail
let fakeMa = concat(
switch1.peerInfo.addrs[0],
MultiAddress.init(multiCodec("p2p"), PeerId.random.tryGet().data).tryGet(),
)
.tryGet()
expect(CatchableError):
discard (await switch2.connect(fakeMa))
# real thing works
check (await switch2.connect(switch1.peerInfo.fullAddrs.tryGet()[0])) ==
switch1.peerInfo.peerId
await switch2.disconnect(switch1.peerInfo.peerId)
await allFuturesThrowing(switch1.stop(), switch2.stop())
asyncTest "e2e should not leak on peer disconnect":
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
await switch1.start()
await switch2.start()
let startCounts =
@[
switch1.connManager.inSema.count, switch1.connManager.outSema.count,
switch2.connManager.inSema.count, switch2.connManager.outSema.count,
]
await switch2.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await switch2.disconnect(switch1.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
checkUntilTimeout:
not switch1.isConnected(switch2.peerInfo.peerId)
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
checkUntilTimeout:
startCounts ==
@[
switch1.connManager.inSema.count, switch1.connManager.outSema.count,
switch2.connManager.inSema.count, switch2.connManager.outSema.count,
]
await allFuturesThrowing(switch1.stop(), switch2.stop())
asyncTest "e2e should trigger connection events (remote)":
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[ConnEventKind]
proc hook(peerId: PeerId, event: ConnEvent) {.async.} =
kinds = kinds + {event.kind}
case step
of 0:
check:
event.kind == ConnEventKind.Connected
peerId == switch1.peerInfo.peerId
of 1:
check:
event.kind == ConnEventKind.Disconnected
check peerId == switch1.peerInfo.peerId
else:
check false
step.inc()
switch2.addConnEventHandler(hook, ConnEventKind.Connected)
switch2.addConnEventHandler(hook, ConnEventKind.Disconnected)
await switch1.start()
await switch2.start()
await switch2.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await switch2.disconnect(switch1.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
checkUntilTimeout:
not switch1.isConnected(switch2.peerInfo.peerId)
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {ConnEventKind.Connected, ConnEventKind.Disconnected}
await allFuturesThrowing(switch1.stop(), switch2.stop())
asyncTest "e2e should trigger connection events (local)":
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[ConnEventKind]
proc hook(peerId: PeerId, event: ConnEvent) {.async.} =
kinds = kinds + {event.kind}
case step
of 0:
check:
event.kind == ConnEventKind.Connected
peerId == switch2.peerInfo.peerId
of 1:
check:
event.kind == ConnEventKind.Disconnected
check peerId == switch2.peerInfo.peerId
else:
check false
step.inc()
switch1.addConnEventHandler(hook, ConnEventKind.Connected)
switch1.addConnEventHandler(hook, ConnEventKind.Disconnected)
await switch1.start()
await switch2.start()
await switch2.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await switch2.disconnect(switch1.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
checkUntilTimeout:
not switch1.isConnected(switch2.peerInfo.peerId)
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {ConnEventKind.Connected, ConnEventKind.Disconnected}
await allFuturesThrowing(switch1.stop(), switch2.stop())
asyncTest "e2e should trigger peer events (remote)":
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[PeerEventKind]
proc handler(peerId: PeerId, event: PeerEvent) {.async.} =
kinds = kinds + {event.kind}
case step
of 0:
check:
event.kind == PeerEventKind.Joined
peerId == switch2.peerInfo.peerId
of 1:
check:
event.kind == PeerEventKind.Left
peerId == switch2.peerInfo.peerId
else:
check false
step.inc()
switch1.addPeerEventHandler(handler, PeerEventKind.Joined)
switch1.addPeerEventHandler(handler, PeerEventKind.Left)
await switch1.start()
await switch2.start()
await switch2.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await switch2.disconnect(switch1.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
checkUntilTimeout:
not switch1.isConnected(switch2.peerInfo.peerId)
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {PeerEventKind.Joined, PeerEventKind.Left}
await allFuturesThrowing(switch1.stop(), switch2.stop())
asyncTest "e2e should trigger peer events (local)":
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[PeerEventKind]
proc handler(peerId: PeerId, event: PeerEvent) {.async.} =
kinds = kinds + {event.kind}
case step
of 0:
check:
event.kind == PeerEventKind.Joined
peerId == switch1.peerInfo.peerId
of 1:
check:
event.kind == PeerEventKind.Left
peerId == switch1.peerInfo.peerId
else:
check false
step.inc()
switch2.addPeerEventHandler(handler, PeerEventKind.Joined)
switch2.addPeerEventHandler(handler, PeerEventKind.Left)
await switch1.start()
await switch2.start()
await switch2.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await switch2.disconnect(switch1.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
checkUntilTimeout:
not switch1.isConnected(switch2.peerInfo.peerId)
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {PeerEventKind.Joined, PeerEventKind.Left}
await allFuturesThrowing(switch1.stop(), switch2.stop())
asyncTest "e2e should trigger peer events only once per peer":
let switch1 = newStandardSwitch()
let rng = crypto.newRng()
# use same private keys to emulate two connection from same peer
let privKey = PrivateKey.random(rng[]).tryGet()
let switch2 = newStandardSwitch(privKey = some(privKey), rng = rng)
let switch3 = newStandardSwitch(privKey = some(privKey), rng = rng)
var step = 0
var kinds: set[PeerEventKind]
proc handler(peerId: PeerId, event: PeerEvent) {.async.} =
kinds = kinds + {event.kind}
case step
of 0:
check:
event.kind == PeerEventKind.Joined
of 1:
check:
event.kind == PeerEventKind.Left
else:
check false # should not trigger this
step.inc()
switch1.addPeerEventHandler(handler, PeerEventKind.Joined)
switch1.addPeerEventHandler(handler, PeerEventKind.Left)
await switch1.start()
await switch2.start()
await switch3.start()
await switch2.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
# should trigger 1st Join event
await switch3.connect(switch1.peerInfo.peerId, switch1.peerInfo.addrs)
# should trigger 2nd Join event
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
check switch3.isConnected(switch1.peerInfo.peerId)
await switch2.disconnect(switch1.peerInfo.peerId) # should trigger 1st Left event
await switch3.disconnect(switch1.peerInfo.peerId) # should trigger 2nd Left event
check not switch2.isConnected(switch1.peerInfo.peerId)
check not switch3.isConnected(switch1.peerInfo.peerId)
checkUntilTimeout:
not switch1.isConnected(switch2.peerInfo.peerId)
checkUntilTimeout:
not switch1.isConnected(switch3.peerInfo.peerId)
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {PeerEventKind.Joined, PeerEventKind.Left}
await allFuturesThrowing(switch1.stop(), switch2.stop(), switch3.stop())
asyncTest "e2e should allow dropping peer from connection events":
let rng = crypto.newRng()
# use same private keys to emulate two connection from same peer
let
privateKey = PrivateKey.random(rng[]).tryGet()
peerInfo = PeerInfo.new(privateKey)
var switches: seq[Switch]
var done = newFuture[void]()
var onConnect: Future[void]
proc hook(peerId: PeerId, event: ConnEvent) {.async.} =
case event.kind
of ConnEventKind.Connected:
await onConnect
await switches[0].disconnect(peerInfo.peerId) # trigger disconnect
of ConnEventKind.Disconnected:
check not switches[0].isConnected(peerInfo.peerId)
done.complete()
switches.add(newStandardSwitch(rng = rng))
switches[0].addConnEventHandler(hook, ConnEventKind.Connected)
switches[0].addConnEventHandler(hook, ConnEventKind.Disconnected)
await switches[0].start()
switches.add(newStandardSwitch(privKey = some(privateKey), rng = rng))
onConnect =
switches[1].connect(switches[0].peerInfo.peerId, switches[0].peerInfo.addrs)
await onConnect
await done
await allFuturesThrowing(switches.mapIt(it.stop()))
asyncTest "e2e should allow dropping multiple connections for peer from connection events":
let rng = crypto.newRng()
# use same private keys to emulate two connection from same peer
let
privateKey = PrivateKey.random(rng[]).tryGet()
peerInfo = PeerInfo.new(privateKey)
var conns = 1
var switches: seq[Switch]
var done = newFuture[void]()
var onConnect: Future[void]
proc hook(peerId2: PeerId, event: ConnEvent) {.async.} =
case event.kind
of ConnEventKind.Connected:
if conns == 5:
await onConnect
await switches[0].disconnect(peerInfo.peerId) # trigger disconnect
return
conns.inc
of ConnEventKind.Disconnected:
if conns == 1:
check not switches[0].isConnected(peerInfo.peerId)
done.complete()
conns.dec
switches.add(newStandardSwitch(maxConnsPerPeer = 10, rng = rng))
switches[0].addConnEventHandler(hook, ConnEventKind.Connected)
await switches[0].start()
for i in 1 .. 5:
switches.add(newStandardSwitch(privKey = some(privateKey), rng = rng))
switches[i].addConnEventHandler(hook, ConnEventKind.Disconnected)
onConnect =
switches[i].connect(switches[0].peerInfo.peerId, switches[0].peerInfo.addrs)
await onConnect
await done
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
await allFuturesThrowing(switches.mapIt(it.stop()))
asyncTest "e2e closing remote conn should not leak":
let ma = @[MultiAddress.init("/ip4/0.0.0.0/tcp/0").tryGet()]
let transport = TcpTransport.new(upgrade = Upgrade())
await transport.start(ma)
proc acceptHandler() {.async.} =
let conn = await transport.accept()
await conn.closeWithEOF()
let handlerWait = acceptHandler()
let switch = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
await switch.start()
var peerId = PeerId.init(PrivateKey.random(ECDSA, rng[]).get()).get()
expect DialFailedError:
await switch.connect(peerId, transport.addrs)
await handlerWait
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
checkTracker(ChronosStreamTrackerName)
await allFuturesThrowing(transport.stop(), switch.stop())
asyncTest "e2e calling closeWithEOF on the same stream should not assert":
proc handle(conn: Connection, proto: string) {.async.} =
discard await conn.readLp(100)
let testProto = new TestProto
testProto.codec = TestCodec
testProto.handler = handle
let switch1 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
switch1.mount(testProto)
let switch2 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
await switch1.start()
let conn =
await switch2.dial(switch1.peerInfo.peerId, switch1.peerInfo.addrs, TestCodec)
proc closeReader() {.async.} =
await conn.closeWithEOF()
var readers: seq[Future[void]]
for i in 0 .. 10:
readers.add(closeReader())
await allFuturesThrowing(readers)
await switch2.stop() #Otherwise this leaks
checkUntilTimeout:
not switch1.isConnected(switch2.peerInfo.peerId)
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
checkTracker(ChronosStreamTrackerName)
await switch1.stop()
asyncTest "connect to inexistent peer":
let switch2 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
await switch2.start()
let someAddr = MultiAddress.init("/ip4/127.128.0.99").get()
let seckey = PrivateKey.random(ECDSA, rng[]).get()
let somePeer = PeerInfo.new(seckey, [someAddr])
expect(DialFailedError):
discard await switch2.dial(somePeer.peerId, somePeer.addrs, TestCodec)
await switch2.stop()
asyncTest "e2e total connection limits on incoming connections":
var switches: seq[Switch]
let destSwitch = newStandardSwitch(maxConnections = 3)
switches.add(destSwitch)
await destSwitch.start()
let destPeerInfo = destSwitch.peerInfo
for i in 0 ..< 3:
let switch = newStandardSwitch()
switches.add(switch)
await switch.start()
check await switch.connect(destPeerInfo.peerId, destPeerInfo.addrs).withTimeout(
1000.millis
)
let switchFail = newStandardSwitch()
switches.add(switchFail)
await switchFail.start()
check not (
await switchFail.connect(destPeerInfo.peerId, destPeerInfo.addrs).withTimeout(
1000.millis
)
)
await allFuturesThrowing(allFutures(switches.mapIt(it.stop())))
asyncTest "e2e total connection limits on incoming connections":
var switches: seq[Switch]
for i in 0 ..< 3:
switches.add(newStandardSwitch())
await switches[i].start()
let srcSwitch = newStandardSwitch(maxConnections = 3)
await srcSwitch.start()
let dstSwitch = newStandardSwitch()
await dstSwitch.start()
for s in switches:
check await srcSwitch.connect(s.peerInfo.peerId, s.peerInfo.addrs).withTimeout(
1000.millis
)
expect TooManyConnectionsError:
await srcSwitch.connect(dstSwitch.peerInfo.peerId, dstSwitch.peerInfo.addrs)
switches.add(srcSwitch)
switches.add(dstSwitch)
await allFuturesThrowing(allFutures(switches.mapIt(it.stop())))
asyncTest "e2e max incoming connection limits":
var switches: seq[Switch]
let destSwitch = newStandardSwitch(maxIn = 3)
switches.add(destSwitch)
await destSwitch.start()
let destPeerInfo = destSwitch.peerInfo
for i in 0 ..< 3:
let switch = newStandardSwitch()
switches.add(switch)
await switch.start()
check await switch.connect(destPeerInfo.peerId, destPeerInfo.addrs).withTimeout(
1000.millis
)
let switchFail = newStandardSwitch()
switches.add(switchFail)
await switchFail.start()
check not (
await switchFail.connect(destPeerInfo.peerId, destPeerInfo.addrs).withTimeout(
1000.millis
)
)
await allFuturesThrowing(allFutures(switches.mapIt(it.stop())))
asyncTest "e2e max outgoing connection limits":
var switches: seq[Switch]
for i in 0 ..< 3:
switches.add(newStandardSwitch())
await switches[i].start()
let srcSwitch = newStandardSwitch(maxOut = 3)
await srcSwitch.start()
let dstSwitch = newStandardSwitch()
await dstSwitch.start()
for s in switches:
check await srcSwitch.connect(s.peerInfo.peerId, s.peerInfo.addrs).withTimeout(
1000.millis
)
expect TooManyConnectionsError:
await srcSwitch.connect(dstSwitch.peerInfo.peerId, dstSwitch.peerInfo.addrs)
switches.add(srcSwitch)
switches.add(dstSwitch)
await allFuturesThrowing(allFutures(switches.mapIt(it.stop())))
asyncTest "e2e peer store":
let done = newFuture[void]()
proc handle(conn: Connection, proto: string) {.async.} =
try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.writeLp("Hello!")
finally:
await conn.close()
done.complete()
let testProto = new TestProto
testProto.codec = TestCodec
testProto.handler = handle
let switch1 = newStandardSwitch()
switch1.mount(testProto)
let switch2 = newStandardSwitch(peerStoreCapacity = 0)
await switch1.start()
await switch2.start()
let conn =
await switch2.dial(switch1.peerInfo.peerId, switch1.peerInfo.addrs, TestCodec)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await conn.writeLp("Hello!")
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.close()
await allFuturesThrowing(done.wait(5.seconds), switch1.stop(), switch2.stop())
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
check:
switch1.peerStore[AddressBook][switch2.peerInfo.peerId] == switch2.peerInfo.addrs
switch1.peerStore[ProtoBook][switch2.peerInfo.peerId] == switch2.peerInfo.protocols
switch1.peerInfo.peerId notin switch2.peerStore[AddressBook]
switch1.peerInfo.peerId notin switch2.peerStore[ProtoBook]
asyncTest "e2e should allow multiple local addresses":
when defined(windows):
# this randomly locks the Windows CI job
skip()
return
proc handle(conn: Connection, proto: string) {.async.} =
try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg
await conn.writeLp("Hello!")
finally:
await conn.close()
let testProto = new TestProto
testProto.codec = TestCodec
testProto.handler = handle
let addrs =
@[
MultiAddress.init("/ip4/127.0.0.1/tcp/0").tryGet(),
MultiAddress.init("/ip6/::1/tcp/0").tryGet(),
]
let switch1 = newStandardSwitch(
addrs = addrs, transportFlags = {ServerFlags.ReuseAddr, ServerFlags.ReusePort}
)
switch1.mount(testProto)
let switch2 = newStandardSwitch()
let switch3 =
newStandardSwitch(addrs = MultiAddress.init("/ip4/127.0.0.1/tcp/0").tryGet())
await allFuturesThrowing(switch1.start(), switch2.start(), switch3.start())
check IP4.matchPartial(switch1.peerInfo.addrs[0])
check IP6.matchPartial(switch1.peerInfo.addrs[1])
let conn = await switch2.dial(
switch1.peerInfo.peerId, @[switch1.peerInfo.addrs[0]], TestCodec
)
check switch1.isConnected(switch2.peerInfo.peerId)
check switch2.isConnected(switch1.peerInfo.peerId)
await conn.writeLp("Hello!")
check "Hello!" == string.fromBytes(await conn.readLp(1024))
await conn.close()
let connv6 = await switch3.dial(
switch1.peerInfo.peerId, @[switch1.peerInfo.addrs[1]], TestCodec
)
check switch1.isConnected(switch3.peerInfo.peerId)
check switch3.isConnected(switch1.peerInfo.peerId)
await connv6.writeLp("Hello!")
check "Hello!" == string.fromBytes(await connv6.readLp(1024))
await connv6.close()
await allFuturesThrowing(switch1.stop(), switch2.stop(), switch3.stop())
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
asyncTest "e2e dial dns4 address":
let resolver = MockResolver.new()
resolver.ipResponses[("localhost", false)] = @["127.0.0.1"]
resolver.ipResponses[("localhost", true)] = @["::1"]
let
srcSwitch = newStandardSwitch(nameResolver = resolver)
destSwitch = newStandardSwitch()
await destSwitch.start()
await srcSwitch.start()
let testAddr =
MultiAddress.init("/dns4/localhost/").tryGet() &
destSwitch.peerInfo.addrs[0][1].tryGet()
await srcSwitch.connect(destSwitch.peerInfo.peerId, @[testAddr])
check srcSwitch.isConnected(destSwitch.peerInfo.peerId)
await destSwitch.stop()
await srcSwitch.stop()
asyncTest "e2e dial dnsaddr with multiple transports":
let resolver = MockResolver.new()
let
wsAddress = MultiAddress.init("/ip4/127.0.0.1/tcp/0/ws").tryGet()
tcpAddress = MultiAddress.init("/ip4/127.0.0.1/tcp/0").tryGet()
srcTcpSwitch = newStandardSwitch(nameResolver = resolver)
srcWsSwitch = SwitchBuilder
.new()
.withAddress(wsAddress)
.withRng(crypto.newRng())
.withMplex()
.withTransport(
proc(upgr: Upgrade): Transport =
WsTransport.new(upgr)
)
.withNameResolver(resolver)
.withNoise()
.build()
destSwitch = SwitchBuilder
.new()
.withAddresses(@[tcpAddress, wsAddress])
.withRng(crypto.newRng())
.withMplex()
.withTransport(
proc(upgr: Upgrade): Transport =
WsTransport.new(upgr)
)
.withTcpTransport()
.withNoise()
.build()
await destSwitch.start()
await srcWsSwitch.start()
resolver.txtResponses["_dnsaddr.test.io"] =
@[
"dnsaddr=/dns4/localhost" & $destSwitch.peerInfo.addrs[0][1 ..^ 1].tryGet() &
"/p2p/" & $destSwitch.peerInfo.peerId,
"dnsaddr=/dns4/localhost" & $destSwitch.peerInfo.addrs[1][1 ..^ 1].tryGet(),
]
resolver.ipResponses[("localhost", false)] = @["127.0.0.1"]
let testAddr = MultiAddress.init("/dnsaddr/test.io/").tryGet()
await srcTcpSwitch.connect(destSwitch.peerInfo.peerId, @[testAddr])
check srcTcpSwitch.isConnected(destSwitch.peerInfo.peerId)
await srcWsSwitch.connect(destSwitch.peerInfo.peerId, @[testAddr])
check srcWsSwitch.isConnected(destSwitch.peerInfo.peerId)
await destSwitch.stop()
await srcWsSwitch.stop()
await srcTcpSwitch.stop()
asyncTest "e2e quic transport":
let
quicAddress1 = MultiAddress.init("/ip4/127.0.0.1/udp/0/quic-v1").tryGet()
quicAddress2 = MultiAddress.init("/ip4/127.0.0.1/udp/0/quic-v1").tryGet()
srcSwitch = SwitchBuilder
.new()
.withAddress(quicAddress1)
.withRng(crypto.newRng())