public void TestUpdateStatsStreamDisconnectionsCount()
{
//
//Arrange
//
var streamStatsActorRef =
ActorOfAsTestActorRef <StreamStatsActor>(
Props.Create(() => new StreamStatsActor()),
StreamStatsActor.ActorName);
var streamDisconnectedMsg = new StreamDisconnectedMsg();
//
//Act
//
streamStatsActorRef.Tell(streamDisconnectedMsg);
Task.Delay(TimeSpan.FromMilliseconds(500));
streamStatsActorRef.Tell(streamDisconnectedMsg);
//
//Assert
//
AwaitAssert(() =>
{
Assert.AreEqual(0, streamStatsActorRef.UnderlyingActor.SnapshotsCount);
Assert.AreEqual(0, streamStatsActorRef.UnderlyingActor.StreamUpdatesCount);
Assert.AreEqual(2, streamStatsActorRef.UnderlyingActor.DisconnectionsCount);
Assert.AreEqual(0, streamStatsActorRef.UnderlyingActor.ErrorsCount[StreamStatsActor.PluginExceptionType]);
Assert.AreEqual(0, streamStatsActorRef.UnderlyingActor.ErrorsCount[StreamStatsActor.ApiExceptionType]);
Assert.AreEqual(0, streamStatsActorRef.UnderlyingActor.ErrorsCount[StreamStatsActor.GenericExceptionType]);
Assert.Less((DateTime.UtcNow - streamStatsActorRef.UnderlyingActor.LastDisconnectedDate).TotalSeconds, 5);
},
TimeSpan.FromMilliseconds(ASSERT_WAIT_TIMEOUT),
TimeSpan.FromMilliseconds(ASSERT_EXEC_INTERVAL));
}
private void StreamDisconnectedMsgHandler(StreamDisconnectedMsg msg)
{
try
{
_logger.Warn($"Stream got disconnected for {_resource}");
var fixtureStateActor = Context.System.ActorSelection(FixtureStateActor.Path);
var fixtureState =
fixtureStateActor
.Ask <FixtureState>(
new GetFixtureStateMsg {
FixtureId = _fixtureId
},
TimeSpan.FromSeconds(10))
.Result;
if (_streamHealthCheckValidation.ShouldSuspendOnDisconnection(fixtureState, _fixtureStartTime))
{
SuspendFixture(SuspensionReason.DISCONNECT_EVENT);
}
Become(Disconnected);
}
catch (Exception ex)
{
_logger.Error($"Error processing disconnection for {_resource} - exception - {ex}");
_erroredException = ex;
Become(Errored);
}
}
private void StreamDisconnectedMsgHandler(StreamDisconnectedMsg msg)
{
_disconnectionsCount++;
_lastDisconnectedDate = DateTime.UtcNow;
var days = (DateTime.UtcNow - AdapterStartDate).TotalDays;
var weeks = days > 7 ? (int)(days / 7) : 1;
_logger.Info($"Stream got disconnected at {_lastDisconnectedDate}");
_logger.Info($"Detected {_disconnectionsCount / weeks} Stream disconnections / week");
}
//Resource has been disconnected, quick reconnection will occur soon
private void Disconnected()
{
State = StreamListenerState.Disconnected;
_logger.Info($"Stream listener for {_resource} moved to Disconnected State");
Receive <GetStreamListenerActorStateMsg>(a => Sender.Tell(State));
var streamDisconnectedMessage = new StreamDisconnectedMsg
{
FixtureId = _fixtureId,
Sport = _resource.Sport
};
//tell Stream Stats actor that we got disconnected so it can monitor number of disconnections
_streamStatsActor.Tell(streamDisconnectedMessage);
//tell Stream Listener Manager Actor that we got disconnected so it can kill and recreate this child actor
Context.Parent.Tell(streamDisconnectedMessage);
}
private void StreamDisconnectedMsgHandler(StreamDisconnectedMsg msg)
{
try
{
_logger.Warn($"Stream got disconnected for {_resource}");
var fixtureState = GetFixtureState();
if (_streamHealthCheckValidation.ShouldSuspendOnDisconnection(fixtureState, _fixtureStartTime))
{
SuspendFixture(SuspensionReason.DISCONNECT_EVENT);
}
Become(Disconnected);
}
catch (Exception ex)
{
_logger.Error($"Error processing disconnection for {_resource} - exception - {ex}");
_erroredException = ex;
Become(Errored);
}
}
private void StreamDisconnectedMsgHandler(StreamDisconnectedMsg msg)
{
StopStreamListenerChildActor(msg.FixtureId);
}
