public void GetStateData_ReturnsCorrectData()
{
var state = new ProcessingState("Server1");
DictionaryAssert.ContainsFollowingItems(
new Dictionary<string, string>
{
{ "StartedAt", "<UtcNow timestamp>" },
{ "ServerName", "Server1" },
},
state.Serialize());
}
private void ProcessJob(
string jobId,
IStorageConnection connection,
IJobPerformanceProcess process,
CancellationToken shutdownToken)
{
var stateMachine = _context.StateMachineFactory.Create(connection);
var processingState = new ProcessingState(_context.ServerId, _context.WorkerNumber);
if (!stateMachine.TryToChangeState(
jobId,
processingState,
new[] { EnqueuedState.StateName, ProcessingState.StateName }))
{
return;
}
// Checkpoint #3. Job is in the Processing state. However, there are
// no guarantees that it was performed. We need to re-queue it even
// it was performed to guarantee that it was performed AT LEAST once.
// It will be re-queued after the JobTimeout was expired.
IState state;
try
{
var jobData = connection.GetJobData(jobId);
jobData.EnsureLoaded();
var cancellationToken = new ServerJobCancellationToken(
jobId, connection, _context, shutdownToken);
var performContext = new PerformContext(
_context, connection, jobId, jobData.Job, jobData.CreatedAt, cancellationToken);
var latency = (DateTime.UtcNow - jobData.CreatedAt).TotalMilliseconds;
var duration = Stopwatch.StartNew();
process.Run(performContext, jobData.Job);
duration.Stop();
state = new SucceededState((long) latency, duration.ElapsedMilliseconds);
}
catch (OperationCanceledException)
{
throw;
}
catch (JobPerformanceException ex)
{
state = new FailedState(ex.InnerException)
{
Reason = ex.Message
};
}
catch (Exception ex)
{
state = new FailedState(ex)
{
Reason = "Internal HangFire Server exception occurred. Please, report it to HangFire developers."
};
}
// Ignore return value, because we should not do
// anything when current state is not Processing.
stateMachine.TryToChangeState(jobId, state, new[] { ProcessingState.StateName });
}
private void PerformJob(IStorageConnection connection, JobPayload payload)
{
if (payload == null)
{
return;
}
var stateMachine = new StateMachine(connection);
var processingState = new ProcessingState(_context.ServerName);
if (!stateMachine.TryToChangeState(
payload.Id,
processingState,
new [] { EnqueuedState.StateName, ProcessingState.StateName }))
{
return;
}
// Checkpoint #3. Job is in the Processing state. However, there are
// no guarantees that it was performed. We need to re-queue it even
// it was performed to guarantee that it was performed AT LEAST once.
// It will be re-queued after the JobTimeout was expired.
State state;
try
{
IJobPerformStrategy performStrategy;
var methodData = MethodData.Deserialize(payload.InvocationData);
if (methodData.OldFormat)
{
// For compatibility with the Old Client API.
// TODO: remove it in version 1.0
var arguments = JobHelper.FromJson<Dictionary<string, string>>(
payload.Args);
performStrategy = new JobAsClassPerformStrategy(
methodData, arguments);
}
else
{
var arguments = JobHelper.FromJson<string[]>(payload.Arguments);
performStrategy = new JobAsMethodPerformStrategy(
methodData, arguments);
}
var performContext = new PerformContext(_context, connection, payload.Id, methodData);
_context.PerformancePipeline.Run(performContext, performStrategy);
state = new SucceededState();
}
catch (JobPerformanceException ex)
{
state = new FailedState(ex.InnerException)
{
Reason = ex.Message
};
}
catch (Exception ex)
{
state = new FailedState(ex)
{
Reason = "Internal HangFire Server exception occurred. Please, report it to HangFire developers."
};
}
// TODO: check return value
stateMachine.TryToChangeState(payload.Id, state, new [] { ProcessingState.StateName });
}
public void StateName_IsCorrect()
{
var state = new ProcessingState("Server1");
Assert.Equal(ProcessingState.StateName, state.Name);
}
