private void ObserveOutputRequest(SimDataItem <OutputRequest> simDataItem)
{
if (simDataItem.IsResetEvent())
{
return;
}
simDataItem.Item.SerieInputs.IfRight(
o => LogOutputRequest(simDataItem, o)
);
}
private void LogOutputRequest(SimDataItem <OutputRequest> simDataItem, Arr <SimInput> serieInputs)
{
var requesterTypeName = simDataItem.Requester.GetType().Name;
var description = simDataItem.GetDescription();
var simulation = simDataItem.Simulation;
var defaultInput = simulation.SimConfig.SimInput;
var logging = serieInputs
.Map(i =>
{
var outputInfo = _simData.GetOutputInfo(i, simulation);
return(outputInfo.Match(
oi => Some((Input: i, oi.SerieInput.Hash, oi.Persist)),
() => None
));
})
.Somes()
.Map(t => new
{
LogEntry = new SimDataLogEntry(
++_logIndex,
DateTime.UtcNow,
t.Hash,
defaultInput.GetEdits(t.Input).ToAssignments(),
requesterTypeName,
description
),
t.Persist
})
.ToArr();
logging
.Filter(l => l.Persist)
.Iter(l => _pendingToFile.Enqueue((simulation, l.LogEntry)));
var sessionLogIsRequester = requesterTypeName == ToString();
if (!sessionLogIsRequester)
{
var logEntries = logging.Map(l => l.LogEntry);
lock (_logEntriesSyncLock)
{
_logEntries.AddRange(logEntries);
}
logEntries.Iter(le => _logEntriesSubject.OnNext(le));
}
}
private ProcessingOutcome Process(
SimDataItem <OutputRequest> simDataItem,
CancellationToken cancellationToken,
out Task <OutputRequest?> outputRequestTask
)
{
var simulation = simDataItem.Simulation;
var seriesInput = simDataItem.Item.SeriesInput;
ProcessingOutcome processingOutcome;
if (_outputs.TryGetValue((seriesInput.Hash, simulation), out SimDataOutput _))
{
outputRequestTask = Task.FromResult <OutputRequest?>(OutputRequest.Create(seriesInput, Array(seriesInput)));
processingOutcome = ProcessingOutcome.AlreadyAcquired;
}
private int AcquireOutputsImpl(CancellationToken cancellationToken)
{
var snapshot = _outputRequests
.ToArray()
.OrderBy(kvp => kvp.Value.RequestedOn);
var nAwaitingServerLicense = 0;
foreach (var item in snapshot)
{
var simDataItem = item.Value;
try
{
Log.Debug($"{nameof(SimData)} processing {simDataItem.Item.SeriesInput.Hash} output request...");
var outcome = Process(simDataItem, cancellationToken, out Task <OutputRequest?> outputRequestTask);
cancellationToken.ThrowIfCancellationRequested();
if (outcome == ProcessingOutcome.AlreadyAcquired || outcome == ProcessingOutcome.AcquiringData)
{
_outputRequests.TryRemove(item.Key, out SimDataItem <OutputRequest> _);
outputRequestTask.ContinueWith(task =>
{
OutputRequest outputRequest;
if (task.IsFaulted)
{
RequireNotNull(task.Exception?.InnerException);
outputRequest = OutputRequest.Create(
simDataItem.Item.SeriesInput,
task.Exception.InnerException
);
}
else
{
RequireNotNull(task.Result);
outputRequest = task.Result;
}
var fulfilled = SimDataItem.Create(
outputRequest,
simDataItem.Simulation,
simDataItem.Requester,
simDataItem.RequestToken,
simDataItem.RequestedOn,
DateTime.UtcNow
);
_outputRequestsSubject.OnNext(fulfilled);
Log.Debug($"{nameof(SimData)} fulfilled {simDataItem.Item.SeriesInput.Hash} output request on {fulfilled.FulfilledOn}");
}, cancellationToken);
}
else if (outcome == ProcessingOutcome.NoServerAvailable)
{
++nAwaitingServerLicense;
}
else
{
throw new InvalidOperationException($"Unhandled processing outcome: {outcome}");
}
}
catch (Exception ex)
{
_outputRequests.TryRemove(item.Key, out SimDataItem <OutputRequest> _);
var fulfilled = SimDataItem.Create(
OutputRequest.Create(simDataItem.Item.SeriesInput, ex),
simDataItem.Simulation,
simDataItem.Requester,
simDataItem.RequestToken,
simDataItem.RequestedOn,
DateTime.UtcNow
);
_outputRequestsSubject.OnNext(fulfilled);
}
}
return(nAwaitingServerLicense);
}
