129 lines
4.1 KiB
Nim
129 lines
4.1 KiB
Nim
{.used.}
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# Nim-Libp2p
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# Copyright (c) 2023 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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import std/options
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import chronos
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import
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../libp2p/[
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transports/tcptransport,
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upgrademngrs/upgrade,
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builders,
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protocols/connectivity/autonat/client,
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protocols/connectivity/autonat/server,
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nameresolving/nameresolver,
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nameresolving/mockresolver,
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],
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./helpers
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proc createAutonatSwitch(nameResolver: NameResolver = nil): Switch =
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var builder = SwitchBuilder.new()
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.withRng(newRng())
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.withAddresses(@[ MultiAddress.init("/ip4/0.0.0.0/tcp/0").tryGet() ])
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.withTcpTransport()
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.withMplex()
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.withAutonat()
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.withNoise()
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if nameResolver != nil:
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builder = builder.withNameResolver(nameResolver)
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return builder.build()
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proc makeAutonatServicePrivate(): Switch =
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var autonatProtocol = new LPProtocol
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autonatProtocol.handler = proc (conn: Connection, proto: string) {.async, gcsafe.} =
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discard await conn.readLp(1024)
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await conn.writeLp(AutonatDialResponse(
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status: DialError,
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text: some("dial failed"),
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ma: none(MultiAddress)).encode().buffer)
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await conn.close()
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autonatProtocol.codec = AutonatCodec
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result = newStandardSwitch()
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result.mount(autonatProtocol)
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suite "Autonat":
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teardown:
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checkTrackers()
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asyncTest "dialMe returns public address":
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let
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src = newStandardSwitch()
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dst = createAutonatSwitch()
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await src.start()
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await dst.start()
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await src.connect(dst.peerInfo.peerId, dst.peerInfo.addrs)
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let ma = await AutonatClient.new().dialMe(src, dst.peerInfo.peerId, dst.peerInfo.addrs)
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check ma in src.peerInfo.addrs
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await allFutures(src.stop(), dst.stop())
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asyncTest "dialMe handles dial error msg":
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let
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src = newStandardSwitch()
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dst = makeAutonatServicePrivate()
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await src.start()
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await dst.start()
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await src.connect(dst.peerInfo.peerId, dst.peerInfo.addrs)
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expect AutonatUnreachableError:
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discard await AutonatClient.new().dialMe(src, dst.peerInfo.peerId, dst.peerInfo.addrs)
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await allFutures(src.stop(), dst.stop())
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asyncTest "Timeout is triggered in autonat handle":
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let
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src = newStandardSwitch()
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dst = newStandardSwitch()
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autonat = Autonat.new(dst, dialTimeout = 1.seconds)
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doesNothingListener = TcpTransport.new(upgrade = Upgrade())
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dst.mount(autonat)
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await src.start()
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await dst.start()
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await doesNothingListener.start(@[MultiAddress.init("/ip4/0.0.0.0/tcp/0").tryGet()])
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await src.connect(dst.peerInfo.peerId, dst.peerInfo.addrs)
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let conn = await src.dial(dst.peerInfo.peerId, @[AutonatCodec])
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let buffer = AutonatDial(peerInfo: some(AutonatPeerInfo(
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id: some(src.peerInfo.peerId),
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# we ask to be dialed in the does nothing listener instead
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addrs: doesNothingListener.addrs
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))).encode().buffer
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await conn.writeLp(buffer)
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let response = AutonatMsg.decode(await conn.readLp(1024)).get().response.get()
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check:
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response.status == DialError
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response.text.get() == "Dial timeout"
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response.ma.isNone()
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await allFutures(doesNothingListener.stop(), src.stop(), dst.stop())
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asyncTest "dialMe dials dns and returns public address":
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let resolver = MockResolver.new()
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resolver.ipResponses[("localhost", false)] = @["127.0.0.1"]
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resolver.ipResponses[("localhost", true)] = @["::1"]
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let
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src = newStandardSwitch()
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dst = createAutonatSwitch(nameResolver = resolver)
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await src.start()
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await dst.start()
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let testAddr = MultiAddress.init("/dns4/localhost/").tryGet() &
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dst.peerInfo.addrs[0][1].tryGet()
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await src.connect(dst.peerInfo.peerId, dst.peerInfo.addrs)
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let ma = await AutonatClient.new().dialMe(src, dst.peerInfo.peerId, @[testAddr])
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check ma in src.peerInfo.addrs
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await allFutures(src.stop(), dst.stop())
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