public void TestListenerForProxyingWithSomeRealSocketsWithBrokenConnections()
{
//TODO use event to reinstate proxying
var fakeLogger = new FakeLogging();
var fakeDiscoverer = new FakeDiscoverer();
var source = new CancellationTokenSource();
var fakeSink = new TestSink(_tag, 1, 242);
var externalNodeSink = new ProxyNodeSink(_tag, 6000, fakeLogger, source);
var internalNodeSink = new FakeNodeSink(_tag, 5000, 10, 40);
using var referenceListener = new ListenerForPeer(externalNodeSink, fakeDiscoverer, source, fakeLogger);
using var internalListener = new ListenerForPeer(internalNodeSink, fakeDiscoverer, source, fakeLogger);
referenceListener.Start();
internalListener.Start();
using var internalConnection = new ConnectionToPeer("RequestProxying", internalNodeSink, referenceListener.ExternalAddress, referenceListener.ExternalPortNumber, source, fakeLogger);
internalConnection.AllocateChannel(internalNodeSink).SendAsync(ProxyNodeSink.ProxyRequest).Wait();
int retries = 10;
while (externalNodeSink.ListenerForProxying == null && retries-- > 0)
{
WaitForOthers(100);
}
var lfp = externalNodeSink.ListenerForProxying;
Assert.IsNotNull(lfp, "Should have a ListenerForProxying by now");
lfp.Start();
WaitForOthers(300);
internalConnection.SetDefaultSink(fakeSink);
using var externalConnection = new ConnectionToPeer("ExternalMessage", internalNodeSink, lfp.ExternalAddress, lfp.ExternalPortNumber, source, fakeLogger);
externalConnection.AllocateChannel(externalNodeSink); // just to bump channel
var outsideChannel = externalConnection.AllocateChannel(externalNodeSink);
outsideChannel.SendAsync(new ReadOnlySequence <byte>(new byte[] { _tag, 1, 2 })).Wait();
retries = 10;
while (fakeSink.ChannelProcessed == 0 && retries-- > 0)
{
WaitForOthers(100);
}
AssertHasSameItems <byte>(nameof(fakeSink.BytesProcessed), fakeSink.BytesProcessed.ToArray(), 2);
Assert.AreEqual(1ul, fakeSink.ChannelProcessed);
retries = 10;
while (externalNodeSink.MessagesReceived.Count == 0 && retries-- > 0)
{
WaitForOthers(100);
}
AssertHasSameItems <byte>(nameof(externalNodeSink.MessagesReceived), externalNodeSink.MessagesReceived.SelectMany(l => l.ToArray()), 242);
AssertHasLogLine(fakeLogger, "Debug: Sinked Message 'Ag' from Channel ProxyingClient#1@2 using new pair to Proxied Channel 1. Sent: True");
AssertHasLogLine(fakeLogger, "Debug: Responded with Message '8g' from Channel ListenerClient#1@1 to External Channel 2. Sent: True");
lfp.Stop();
retries = 10;
while (lfp.Alive && retries-- > 0)
{
WaitForOthers(100);
}
WaitForOthers(300);
Assert.IsTrue(referenceListener.Alive, "External listener should stay alive after lfp having stopped");
}
public void TestListenerForProxyingMinimally()
{
var fakeLogger = new FakeLogging();
using var fakeDiscoverer = new FakeDiscoverer();
var source = new CancellationTokenSource();
var fakeExternalSocket = new TestSocket(holdYourHorses: true, _tag, 1, 240, 128);
var fakeInternalSocket = new TestSocket(holdYourHorses: true, _tag, 1, 241, 1);
var fakeSink = new TestSink(_tag, 1, 242);
var fakeNodeSink = new FakeNodeSink(_tag, 2000, 10, 40);
using var referenceListener = new ListenerForPeer(fakeNodeSink, fakeDiscoverer, source, fakeLogger);
var internalConnection = new ConnectionInitiatedByPeer("TLFPM", fakeNodeSink, fakeInternalSocket, fakeSink, source, fakeLogger);
internalConnection.SetDefaultSink(fakeNodeSink);
using var lfp = new TestListenerForProxying(fakeExternalSocket, referenceListener.ExternalAddress, referenceListener.ExternalAddress, 333, internalConnection, new SocketFactory(fakeLogger, 3), source, fakeLogger);
lfp.Start();
WaitForOthers(100);
fakeExternalSocket.ReleaseYourHorses();
var max = 5;
while (AllBytes(fakeInternalSocket).Length < 4 && max-- > 0)
{
WaitForOthers(100);
}
var allInternalBytes = AllBytes(fakeInternalSocket);
Assert.IsNotNull(fakeLogger.LastLog);
AssertHasSameItems <byte>(nameof(fakeInternalSocket.BytesSent), allInternalBytes.ToArray(), _tag, 1, 240, 1);
WaitForOthers(100);
fakeInternalSocket.ReleaseYourHorses();
max = 7;
while (AllBytes(fakeExternalSocket).Length < 4 && max-- > 0)
{
WaitForOthers(100);
}
AssertHasSameItems <byte>(nameof(fakeExternalSocket.BytesSent), AllBytes(fakeExternalSocket).ToArray(), _tag, 1, 241, 128);
fakeSink.Reset();
long lastIndex = allInternalBytes.Length - 1;
fakeSink.SinkAsync(allInternalBytes.Slice(0, lastIndex), new TestChannel(allInternalBytes.Slice(lastIndex).First.Span[0])).Wait();
max = 12;
while (fakeSink.ChannelProcessed == 0ul && max-- > 0)
{
WaitForOthers(100);
}
WaitForOthers(300);
AssertHasSameItems <byte>(nameof(fakeSink.BytesProcessed), fakeSink.BytesProcessed.ToArray(), _tag, 1, 240);
Assert.AreEqual((ulong)1, fakeSink.ChannelProcessed);
AssertHasLogLine(fakeLogger, "Debug: Sinked Message '8A' from Channel ProxyingClient#1@128 using new pair to Proxied Channel 1. Sent: True");
AssertHasLogLine(fakeLogger, "Debug: Responded with Message '8Q' from Channel TLFPM@1 to External Channel 128. Sent: True");
}
