public void Properly_quarantine_stashed_inbound_connections()
{
var localAddress = new Address("akka.test", "system1", "localhost", 1);
var rawLocalAddress = new Address("test", "system1", "localhost", 1);
var remoteAddress = new Address("akka.test", "system2", "localhost", 2);
var rawRemoteAddress = new Address("test", "system2", "localhost", 2);
var remoteUID = 16;
var config = ConfigurationFactory.ParseString(@"
akka.remote.enabled-transports = [""akka.remote.test""]
akka.remote.retry-gate-closed-for = 5s
akka.remote.log-remote-lifecycle-events = on
akka.remote.test {
registry-key = JMeMndLLsw
local-address = """ + $"test://{localAddress.System}@{localAddress.Host}:{localAddress.Port}" + @"""
}").WithFallback(_remoteSystem.Settings.Config);
var thisSystem = ActorSystem.Create("this-system", config);
MuteSystem(thisSystem);
try
{
// Set up a mock remote system using the test transport
var registry = AssociationRegistry.Get("JMeMndLLsw");
var remoteTransport = new TestTransport(rawRemoteAddress, registry);
var remoteTransportProbe = CreateTestProbe();
registry.RegisterTransport(remoteTransport, Task.FromResult <IAssociationEventListener>
(new ActorAssociationEventListener(remoteTransportProbe)));
// Hijack associations through the test transport
AwaitCondition(() => registry.TransportsReady(rawLocalAddress, rawRemoteAddress));
var testTransport = registry.TransportFor(rawLocalAddress).Item1;
testTransport.WriteBehavior.PushConstant(true);
// Force an outbound associate on the real system (which we will hijack)
// we send no handshake packet, so this remains a pending connection
var dummySelection = thisSystem.ActorSelection(ActorPath.Parse(remoteAddress + "/user/noonethere"));
dummySelection.Tell("ping", Sys.DeadLetters);
var remoteHandle = remoteTransportProbe.ExpectMsg <InboundAssociation>(TimeSpan.FromMinutes(4));
remoteHandle.Association.ReadHandlerSource.TrySetResult((IHandleEventListener)(new ActionHandleEventListener(ev => {})));
// Now we initiate an emulated inbound connection to the real system
var inboundHandleProbe = CreateTestProbe();
var inboundHandleTask = remoteTransport.Associate(rawLocalAddress);
inboundHandleTask.Wait(TimeSpan.FromSeconds(3));
var inboundHandle = inboundHandleTask.Result;
inboundHandle.ReadHandlerSource.SetResult(new ActorHandleEventListener(inboundHandleProbe));
AwaitAssert(() =>
{
registry.GetRemoteReadHandlerFor(inboundHandle.AsInstanceOf <TestAssociationHandle>()).Should().NotBeNull();
});
var pduCodec = new AkkaPduProtobuffCodec(Sys);
var handshakePacket = pduCodec.ConstructAssociate(new HandshakeInfo(rawRemoteAddress, remoteUID));
// Finish the inbound handshake so now it is handed up to Remoting
inboundHandle.Write(handshakePacket);
// No disassociation now, the connection is still stashed
inboundHandleProbe.ExpectNoMsg(1000);
// Quarantine unrelated connection
RARP.For(thisSystem).Provider.Quarantine(remoteAddress, -1);
inboundHandleProbe.ExpectNoMsg(1000);
// Quarantine the connection
RARP.For(thisSystem).Provider.Quarantine(remoteAddress, remoteUID);
// Even though the connection is stashed it will be disassociated
inboundHandleProbe.ExpectMsg <Disassociated>();
}
finally
{
Shutdown(thisSystem);
}
}
public void Stash_inbound_connections_until_UID_is_known_for_pending_outbound()
{
var localAddress = new Address("akka.test", "system1", "localhost", 1);
var rawLocalAddress = new Address("test", "system1", "localhost", 1);
var remoteAddress = new Address("akka.test", "system2", "localhost", 2);
var rawRemoteAddress = new Address("test", "system2", "localhost", 2);
var config = ConfigurationFactory.ParseString(@"
akka.remote.enabled-transports = [""akka.remote.test""]
akka.remote.retry-gate-closed-for = 5s
akka.remote.log-remote-lifecycle-events = on
akka.loglevel = DEBUG
akka.remote.test {
registry-key = TRKAzR
local-address = """ + $"test://{localAddress.System}@{localAddress.Host}:{localAddress.Port}" + @"""
}").WithFallback(_remoteSystem.Settings.Config);
var thisSystem = ActorSystem.Create("this-system", config);
MuteSystem(thisSystem);
try
{
// Set up a mock remote system using the test transport
var registry = AssociationRegistry.Get("TRKAzR");
var remoteTransport = new TestTransport(rawRemoteAddress, registry);
var remoteTransportProbe = CreateTestProbe();
registry.RegisterTransport(remoteTransport, Task.FromResult <IAssociationEventListener>
(new ActorAssociationEventListener(remoteTransportProbe)));
// Hijack associations through the test transport
AwaitCondition(() => registry.TransportsReady(rawLocalAddress, rawRemoteAddress));
var testTransport = registry.TransportFor(rawLocalAddress).Item1;
testTransport.WriteBehavior.PushConstant(true);
// Force an outbound associate on the real system (which we will hijack)
// we send no handshake packet, so this remains a pending connection
var dummySelection = thisSystem.ActorSelection(ActorPath.Parse(remoteAddress + "/user/noonethere"));
dummySelection.Tell("ping", Sys.DeadLetters);
var remoteHandle = remoteTransportProbe.ExpectMsg <InboundAssociation>(TimeSpan.FromMinutes(4));
remoteHandle.Association.ReadHandlerSource.TrySetResult((IHandleEventListener)(new ActionHandleEventListener(ev => { })));
// Now we initiate an emulated inbound connection to the real system
var inboundHandleProbe = CreateTestProbe();
var inboundHandleTask = remoteTransport.Associate(rawLocalAddress);
inboundHandleTask.Wait(TimeSpan.FromSeconds(3));
var inboundHandle = inboundHandleTask.Result;
inboundHandle.ReadHandlerSource.SetResult(new ActorHandleEventListener(inboundHandleProbe));
AwaitAssert(() =>
{
registry.GetRemoteReadHandlerFor(inboundHandle.AsInstanceOf <TestAssociationHandle>()).Should().NotBeNull();
});
var pduCodec = new AkkaPduProtobuffCodec(Sys);
var handshakePacket = pduCodec.ConstructAssociate(new HandshakeInfo(rawRemoteAddress, 0));
var brokenPacket = pduCodec.ConstructPayload(ByteString.CopyFrom(0, 1, 2, 3, 4, 5, 6));
// Finish the inbound handshake so now it is handed up to Remoting
inboundHandle.Write(handshakePacket);
// Now bork the connection with a malformed packet that can only signal an error if the Endpoint is already registered
// but not while it is stashed
inboundHandle.Write(brokenPacket);
// No disassociation now - the connection is still stashed
inboundHandleProbe.ExpectNoMsg(1000);
// Finish the handshake for the outbound connection - this will unstash the inbound pending connection.
remoteHandle.Association.Write(handshakePacket);
inboundHandleProbe.ExpectMsg <Disassociated>(TimeSpan.FromMinutes(5));
}
finally
{
Shutdown(thisSystem);
}
}