nim-libp2p-experimental/tests/testswitch.nim

906 lines
27 KiB
Nim

{.used.}
import options, sequtils, sets
import chronos
import stew/byteutils
import nimcrypto/sysrand
import ../libp2p/[errors,
switch,
multistream,
builders,
stream/bufferstream,
stream/connection,
multiaddress,
peerinfo,
crypto/crypto,
protocols/protocol,
protocols/secure/secure,
muxers/muxer,
muxers/mplex/lpchannel,
stream/lpstream,
nameresolving/nameresolver,
nameresolving/mockresolver,
stream/chronosstream,
transports/tcptransport]
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, gcsafe.} =
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()
var awaiters: seq[Future[void]]
awaiters.add(await switch1.start())
awaiters.add(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())
# this needs to go at end
await allFuturesThrowing(awaiters)
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, gcsafe.} =
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])
var awaiters: seq[Future[void]]
awaiters.add(await switch1.start())
awaiters.add(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())
# this needs to go at end
await allFuturesThrowing(awaiters)
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, gcsafe.} =
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()
var awaiters: seq[Future[void]]
awaiters.add(await switch1.start())
awaiters.add(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(),
)
# this needs to go at end
await allFuturesThrowing(awaiters)
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
asyncTest "e2e use connect then dial":
var awaiters: seq[Future[void]]
proc handle(conn: Connection, proto: string) {.async, gcsafe.} =
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])
awaiters.add(await switch1.start())
awaiters.add(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()
)
await allFuturesThrowing(awaiters)
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
asyncTest "e2e should not leak on peer disconnect":
var awaiters: seq[Future[void]]
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
awaiters.add(await switch1.start())
awaiters.add(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)
check await(checkExpiring((not switch1.isConnected(switch2.peerInfo.peerId))))
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
await allFuturesThrowing(
switch1.stop(),
switch2.stop())
await allFuturesThrowing(awaiters)
asyncTest "e2e should trigger connection events (remote)":
var awaiters: seq[Future[void]]
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[ConnEventKind]
proc hook(peerId: PeerId, event: ConnEvent) {.async, gcsafe.} =
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)
awaiters.add(await switch1.start())
awaiters.add(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)
check await(checkExpiring((not switch1.isConnected(switch2.peerInfo.peerId))))
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {
ConnEventKind.Connected,
ConnEventKind.Disconnected
}
await allFuturesThrowing(
switch1.stop(),
switch2.stop())
await allFuturesThrowing(awaiters)
asyncTest "e2e should trigger connection events (local)":
var awaiters: seq[Future[void]]
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[ConnEventKind]
proc hook(peerId: PeerId, event: ConnEvent) {.async, gcsafe.} =
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)
awaiters.add(await switch1.start())
awaiters.add(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)
check await(checkExpiring((not switch1.isConnected(switch2.peerInfo.peerId))))
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {
ConnEventKind.Connected,
ConnEventKind.Disconnected
}
await allFuturesThrowing(
switch1.stop(),
switch2.stop())
await allFuturesThrowing(awaiters)
asyncTest "e2e should trigger peer events (remote)":
var awaiters: seq[Future[void]]
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[PeerEventKind]
proc handler(peerId: PeerId, event: PeerEvent) {.async, gcsafe.} =
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)
awaiters.add(await switch1.start())
awaiters.add(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)
check await(checkExpiring((not switch1.isConnected(switch2.peerInfo.peerId))))
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {
PeerEventKind.Joined,
PeerEventKind.Left
}
await allFuturesThrowing(
switch1.stop(),
switch2.stop())
await allFuturesThrowing(awaiters)
asyncTest "e2e should trigger peer events (local)":
var awaiters: seq[Future[void]]
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
var step = 0
var kinds: set[PeerEventKind]
proc handler(peerId: PeerId, event: PeerEvent) {.async, gcsafe.} =
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)
awaiters.add(await switch1.start())
awaiters.add(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)
check await(checkExpiring((not switch1.isConnected(switch2.peerInfo.peerId))))
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {
PeerEventKind.Joined,
PeerEventKind.Left
}
await allFuturesThrowing(
switch1.stop(),
switch2.stop())
await allFuturesThrowing(awaiters)
asyncTest "e2e should trigger peer events only once per peer":
var awaiters: seq[Future[void]]
let switch1 = newStandardSwitch()
let rng = 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, gcsafe.} =
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)
awaiters.add(await switch1.start())
awaiters.add(await switch2.start())
awaiters.add(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)
check await(checkExpiring((not switch1.isConnected(switch2.peerInfo.peerId))))
check await(checkExpiring((not switch1.isConnected(switch3.peerInfo.peerId))))
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
check:
kinds == {
PeerEventKind.Joined,
PeerEventKind.Left
}
await allFuturesThrowing(
switch1.stop(),
switch2.stop(),
switch3.stop())
await allFuturesThrowing(awaiters)
asyncTest "e2e should allow dropping peer from connection events":
var awaiters: seq[Future[void]]
let rng = 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, gcsafe.} =
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)
await sleepAsync(1.millis)
done.complete()
switches.add(newStandardSwitch(
rng = rng))
switches[0].addConnEventHandler(hook, ConnEventKind.Connected)
switches[0].addConnEventHandler(hook, ConnEventKind.Disconnected)
awaiters.add(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
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
await allFuturesThrowing(
switches.mapIt( it.stop() ))
await allFuturesThrowing(awaiters)
asyncTest "e2e should allow dropping multiple connections for peer from connection events":
var awaiters: seq[Future[void]]
let rng = 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, gcsafe.} =
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(
rng = rng))
switches[0].addConnEventHandler(hook, ConnEventKind.Connected)
awaiters.add(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() ))
await allFuturesThrowing(awaiters)
# TODO: we should be able to test cancellation
# for most of the steps in the upgrade flow -
# this is just a basic test for dials
asyncTest "e2e canceling dial should not leak":
let ma: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()
let transport = TcpTransport.new(upgrade = Upgrade())
await transport.start(ma)
proc acceptHandler() {.async, gcsafe.} =
try:
let conn = await transport.accept()
discard await conn.readLp(100)
await conn.close()
except CatchableError:
discard
let handlerWait = acceptHandler()
let switch = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
var awaiters: seq[Future[void]]
awaiters.add(await switch.start())
var peerId = PeerID.init(PrivateKey.random(ECDSA, rng[]).get()).get()
let connectFut = switch.connect(peerId, @[transport.ma])
await sleepAsync(500.millis)
connectFut.cancel()
await handlerWait
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
checkTracker(ChronosStreamTrackerName)
await allFuturesThrowing(
transport.stop(),
switch.stop())
# this needs to go at end
await allFuturesThrowing(awaiters)
asyncTest "e2e closing remote conn should not leak":
let ma: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()
let transport = TcpTransport.new(upgrade = Upgrade())
await transport.start(ma)
proc acceptHandler() {.async, gcsafe.} =
let conn = await transport.accept()
await conn.closeWithEOF()
let handlerWait = acceptHandler()
let switch = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
var awaiters: seq[Future[void]]
awaiters.add(await switch.start())
var peerId = PeerID.init(PrivateKey.random(ECDSA, rng[]).get()).get()
expect LPStreamClosedError:
await switch.connect(peerId, @[transport.ma])
await handlerWait
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
checkTracker(ChronosStreamTrackerName)
await allFuturesThrowing(
transport.stop(),
switch.stop())
# this needs to go at end
await allFuturesThrowing(awaiters)
asyncTest "e2e calling closeWithEOF on the same stream should not assert":
proc handle(conn: Connection, proto: string) {.async, gcsafe.} =
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])
var awaiters: seq[Future[void]]
awaiters.add(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
check await checkExpiring(not switch1.isConnected(switch2.peerInfo.peerID))
checkTracker(LPChannelTrackerName)
checkTracker(SecureConnTrackerName)
checkTracker(ChronosStreamTrackerName)
await switch1.stop()
# this needs to go at end
await allFuturesThrowing(awaiters)
asyncTest "connect to inexistent peer":
let switch2 = newStandardSwitch(secureManagers = [SecureProtocol.Noise])
discard 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 awaiters: seq[Future[void]]
var switches: seq[Switch]
let destSwitch = newStandardSwitch(maxConnections = 3)
switches.add(destSwitch)
awaiters.add(await destSwitch.start())
let destPeerInfo = destSwitch.peerInfo
for i in 0..<3:
let switch = newStandardSwitch()
switches.add(switch)
awaiters.add(await switch.start())
check await switch.connect(destPeerInfo.peerId, destPeerInfo.addrs)
.withTimeout(1000.millis)
let switchFail = newStandardSwitch()
switches.add(switchFail)
awaiters.add(await switchFail.start())
check not(await switchFail.connect(destPeerInfo.peerId, destPeerInfo.addrs)
.withTimeout(1000.millis))
await allFuturesThrowing(
allFutures(switches.mapIt( it.stop() )))
await allFuturesThrowing(awaiters)
asyncTest "e2e total connection limits on incoming connections":
var awaiters: seq[Future[void]]
var switches: seq[Switch]
for i in 0..<3:
switches.add(newStandardSwitch())
awaiters.add(await switches[i].start())
let srcSwitch = newStandardSwitch(maxConnections = 3)
awaiters.add(await srcSwitch.start())
let dstSwitch = newStandardSwitch()
awaiters.add(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() )))
await allFuturesThrowing(awaiters)
asyncTest "e2e max incoming connection limits":
var awaiters: seq[Future[void]]
var switches: seq[Switch]
let destSwitch = newStandardSwitch(maxIn = 3)
switches.add(destSwitch)
awaiters.add(await destSwitch.start())
let destPeerInfo = destSwitch.peerInfo
for i in 0..<3:
let switch = newStandardSwitch()
switches.add(switch)
awaiters.add(await switch.start())
check await switch.connect(destPeerInfo.peerId, destPeerInfo.addrs)
.withTimeout(1000.millis)
let switchFail = newStandardSwitch()
switches.add(switchFail)
awaiters.add(await switchFail.start())
check not(await switchFail.connect(destPeerInfo.peerId, destPeerInfo.addrs)
.withTimeout(1000.millis))
await allFuturesThrowing(
allFutures(switches.mapIt( it.stop() )))
await allFuturesThrowing(awaiters)
asyncTest "e2e max outgoing connection limits":
var awaiters: seq[Future[void]]
var switches: seq[Switch]
for i in 0..<3:
switches.add(newStandardSwitch())
awaiters.add(await switches[i].start())
let srcSwitch = newStandardSwitch(maxOut = 3)
awaiters.add(await srcSwitch.start())
let dstSwitch = newStandardSwitch()
awaiters.add(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() )))
await allFuturesThrowing(awaiters)
asyncTest "e2e peer store":
let done = newFuture[void]()
proc handle(conn: Connection, proto: string) {.async, gcsafe.} =
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()
var awaiters: seq[Future[void]]
awaiters.add(await switch1.start())
awaiters.add(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())
# this needs to go at end
await allFuturesThrowing(awaiters)
check not switch1.isConnected(switch2.peerInfo.peerId)
check not switch2.isConnected(switch1.peerInfo.peerId)
check:
switch1.peerStore.addressBook.get(switch2.peerInfo.peerId) == switch2.peerInfo.addrs.toHashSet()
switch2.peerStore.addressBook.get(switch1.peerInfo.peerId) == switch1.peerInfo.addrs.toHashSet()
switch1.peerStore.addressBook.get(switch2.peerInfo.peerId) == switch2.peerInfo.addrs.toHashSet()
switch2.peerStore.addressBook.get(switch1.peerInfo.peerId) == switch1.peerInfo.addrs.toHashSet()