public void Execute(SlashCommand command)
{
try
{
Entities.Merge merge = Slack.MessageParser.ForMerge(command);
merge.Verify();
Entities.Queue queue = new Entities.Queue() { MaxWokers = 1, Name = merge.Target };
queueBLL.Insert(queue);
long enqueuedCount = Hangfire.JobStorage.Current.GetMonitoringApi().EnqueuedCount(queue.Name);
IBackgroundJobClient client = new BackgroundJobClient();
IState state = new EnqueuedState(queue.Name);
client.Create<BusinessLogic.Merge.Base.ITrigger>(x => x.Execute(command), state);
if(enqueuedCount > 0)
{
slackBLL.DirectMessage(command, $"There {(enqueuedCount > 1 ? "are" : "is")} {enqueuedCount} {(enqueuedCount > 1 ? "merges" : "merge")} ahead of yours.");
}
}
catch(ArgumentException ex)
{
slackBLL.DirectMessage(command, $"Failed to schedule merge: {ex.Message}");
}
}
public void SetQueue_ThrowsAnException_WhenValueIsNotInAGivenFormat()
{
var state = new EnqueuedState();
Assert.Throws<ArgumentException>(() => state.Queue = "UppercaseLetters");
Assert.Throws<ArgumentException>(() => state.Queue = "punctuation:un-allowed");
Assert.Throws<ArgumentException>(() => state.Queue = "моя_твоя_непонимать");
}
public void SetQueue_DoesNotThrowException_WhenValueIsInACorrectFormat()
{
var state = new EnqueuedState();
Assert.DoesNotThrow(() => state.Queue = "lowercasedcharacters");
Assert.DoesNotThrow(() => state.Queue = "underscores_allowed");
Assert.DoesNotThrow(() => state.Queue = "1234567890_allowed");
}
public void SerializeData_ReturnsCorrectData()
{
var state = new EnqueuedState();
var serializedData = state.SerializeData();
Assert.Equal(state.Queue, serializedData["Queue"]);
Assert.Equal(JobHelper.SerializeDateTime(state.EnqueuedAt), serializedData["EnqueuedAt"]);
}
public void CreateInEnqueuedState()
{
#region EnqueuedState #1
var client = new BackgroundJobClient();
var state = new EnqueuedState("critical"); // Use the "critical" queue
client.Create(() => Console.WriteLine("Hello!"), state);
#endregion
}
public void ChangeToEnqueuedState()
{
var jobId = "someid";
#region EnqueuedState #2
var client = new BackgroundJobClient();
var state = new EnqueuedState(); // Use the default queue
client.ChangeState(jobId, state, FailedState.StateName);
#endregion
}
public void IgnoreExceptions_ReturnsFalse()
{
var state = new EnqueuedState();
Assert.False(state.IgnoreJobLoadException);
}
public BackgroundJob Trigger(string recurringJobId)
{
if (recurringJobId == null) throw new ArgumentNullException(nameof(recurringJobId));
using (var connection = _storage.GetConnection())
{
var hash = connection.GetAllEntriesFromHash($"recurring-job:{recurringJobId}");
if (hash == null)
{
return null;
}
var job = JobHelper.FromJson<InvocationData>(hash["Job"]).Deserialize();
var state = new EnqueuedState { Reason = "Triggered using recurring job manager" };
if (hash.ContainsKey("Queue"))
{
state.Queue = hash["Queue"];
}
var context = new CreateContext(_storage, connection, job, state);
context.Parameters["RecurringJobId"] = recurringJobId;
return _factory.Create(context);
}
}
public void IsFinal_ReturnsFalse()
{
var state = new EnqueuedState();
Assert.False(state.IsFinal);
}
private void TryScheduleJob(
JobStorage storage,
IStorageConnection connection,
string recurringJobId,
IReadOnlyDictionary<string, string> recurringJob)
{
var serializedJob = JobHelper.FromJson<InvocationData>(recurringJob["Job"]);
var job = serializedJob.Deserialize();
var cron = recurringJob["Cron"];
var cronSchedule = CrontabSchedule.Parse(cron);
try
{
var timeZone = recurringJob.ContainsKey("TimeZoneId")
? TimeZoneInfo.FindSystemTimeZoneById(recurringJob["TimeZoneId"])
: TimeZoneInfo.Utc;
var nowInstant = _instantFactory(cronSchedule, timeZone);
var changedFields = new Dictionary<string, string>();
var lastInstant = GetLastInstant(recurringJob, nowInstant);
if (nowInstant.GetNextInstants(lastInstant).Any())
{
var state = new EnqueuedState { Reason = "Triggered by recurring job scheduler" };
if (recurringJob.ContainsKey("Queue") && !String.IsNullOrEmpty(recurringJob["Queue"]))
{
state.Queue = recurringJob["Queue"];
}
var context = new CreateContext(storage, connection, job, state);
context.Parameters["RecurringJobId"] = recurringJobId;
var backgroundJob = _factory.Create(context);
var jobId = backgroundJob?.Id;
if (String.IsNullOrEmpty(jobId))
{
Logger.Debug($"Recurring job '{recurringJobId}' execution at '{nowInstant.NowInstant}' has been canceled.");
}
changedFields.Add("LastExecution", JobHelper.SerializeDateTime(nowInstant.NowInstant));
changedFields.Add("LastJobId", jobId ?? String.Empty);
}
// Fixing old recurring jobs that doesn't have the CreatedAt field
if (!recurringJob.ContainsKey("CreatedAt"))
{
changedFields.Add("CreatedAt", JobHelper.SerializeDateTime(nowInstant.NowInstant));
}
changedFields.Add("NextExecution", nowInstant.NextInstant.HasValue ? JobHelper.SerializeDateTime(nowInstant.NextInstant.Value) : null);
connection.SetRangeInHash(
$"recurring-job:{recurringJobId}",
changedFields);
}
#if NETFULL
catch (TimeZoneNotFoundException ex)
{
#else
catch (Exception ex)
{
// https://github.com/dotnet/corefx/issues/7552
if (!ex.GetType().Name.Equals("TimeZoneNotFoundException")) throw;
#endif
Logger.ErrorException(
$"Recurring job '{recurringJobId}' was not triggered: {ex.Message}.",
ex);
}
}
private void TryScheduleJob(
JobStorage storage,
IStorageConnection connection,
string recurringJobId,
IReadOnlyDictionary<string, string> recurringJob)
{
var serializedJob = JobHelper.FromJson<InvocationData>(recurringJob["Job"]);
var job = serializedJob.Deserialize();
var cron = recurringJob["Cron"];
var cronSchedule = CrontabSchedule.Parse(cron);
try
{
var timeZone = recurringJob.ContainsKey("TimeZoneId")
? TimeZoneInfo.FindSystemTimeZoneById(recurringJob["TimeZoneId"])
: TimeZoneInfo.Utc;
var instant = _instantFactory(cronSchedule, timeZone);
var lastExecutionTime = recurringJob.ContainsKey("LastExecution")
? JobHelper.DeserializeDateTime(recurringJob["LastExecution"])
: (DateTime?)null;
var changedFields = new Dictionary<string, string>();
const string lastJobId = "LastJobId";
if (recurringJob.ContainsKey(lastJobId) && !string.IsNullOrWhiteSpace(recurringJob[lastJobId]))
{
var jobDetails = storage.GetMonitoringApi().JobDetails(recurringJob[lastJobId]);
var finalStates = new[] {"Succeeded", "Deleted"};
if (!jobDetails.History.Select(x => x.StateName).Any(finalStates.Contains))
{
Logger.Info("The recurring task " + recurringJobId + " is still running, do not schedule it more. ");
return;
}
}
if (instant.GetNextInstants(lastExecutionTime).Any())
{
var state = new EnqueuedState { Reason = "Triggered by recurring job scheduler" };
if (recurringJob.ContainsKey("Queue") && !String.IsNullOrEmpty(recurringJob["Queue"]))
{
state.Queue = recurringJob["Queue"];
}
var backgroundJob = _factory.Create(new CreateContext(storage, connection, job, state));
var jobId = backgroundJob != null ? backgroundJob.Id : null;
if (String.IsNullOrEmpty(jobId))
{
Logger.DebugFormat(
"Recurring job '{0}' execution at '{1}' has been canceled.",
recurringJobId,
instant.NowInstant);
}
changedFields.Add("LastExecution", JobHelper.SerializeDateTime(instant.NowInstant));
changedFields.Add(lastJobId, jobId ?? String.Empty);
}
changedFields.Add("NextExecution", JobHelper.SerializeDateTime(instant.NextInstant));
connection.SetRangeInHash(
String.Format("recurring-job:{0}", recurringJobId),
changedFields);
}
catch (TimeZoneNotFoundException ex)
{
Logger.ErrorException(
String.Format("Recurring job '{0}' was not triggered: {1}.", recurringJobId, ex.Message),
ex);
}
}
private void TryScheduleJob(IStorageConnection connection, string recurringJobId, Dictionary<string, string> recurringJob)
{
var serializedJob = JobHelper.FromJson<InvocationData>(recurringJob["Job"]);
var job = serializedJob.Deserialize();
var cron = recurringJob["Cron"];
var cronSchedule = CrontabSchedule.Parse(cron);
var instant = _instantFactory.GetInstant(cronSchedule);
var lastExecutionTime = recurringJob.ContainsKey("LastExecution")
? JobHelper.DeserializeDateTime(recurringJob["LastExecution"])
: (DateTime?)null;
if (instant.GetMatches(lastExecutionTime).Any())
{
var state = new EnqueuedState { Reason = "Triggered by recurring job scheduler" };
var jobId = _client.Create(job, state);
connection.SetRangeInHash(
String.Format("recurring-job:{0}", recurringJobId),
new Dictionary<string, string>
{
{ "LastExecution", JobHelper.SerializeDateTime(instant.UtcTime) },
{ "LastJobId", jobId },
});
}
connection.SetRangeInHash(
String.Format("recurring-job:{0}", recurringJobId),
new Dictionary<string, string>
{
{
"NextExecution",
JobHelper.SerializeDateTime(instant.NextOccurrence)
}
});
}
public void SetQueue_ThrowsAnException_WhenQueueValueIsEmpty()
{
var state = new EnqueuedState();
Assert.Throws<ArgumentNullException>(() => state.Queue = String.Empty);
}
public void Trigger([NotNull] string recurringJobId)
{
if (recurringJobId == null) throw new ArgumentNullException("recurringJobId");
using (var connection = _storage.GetConnection())
{
var hash = connection.GetAllEntriesFromHash(String.Format("recurring-job:{0}", recurringJobId));
if (hash == null)
{
return;
}
var job = JobHelper.FromJson<InvocationData>(hash["Job"]).Deserialize();
var state = new EnqueuedState { Reason = "Triggered" };
_client.Create(job, state);
}
}
private bool EnqueueNextScheduledJob()
{
using (var connection = _storage.GetConnection())
{
var timestamp = JobHelper.ToTimestamp(DateTime.UtcNow);
// TODO: it is very slow. Add batching.
var jobId = connection
.GetFirstByLowestScoreFromSet("schedule", 0, timestamp);
if (String.IsNullOrEmpty(jobId))
{
return false;
}
var stateMachine = _stateMachineFactory.Create(connection);
var enqueuedState = new EnqueuedState
{
Reason = "Enqueued as a scheduled job"
};
stateMachine.TryToChangeState(jobId, enqueuedState, new[] { ScheduledState.StateName });
return true;
}
}
private void TryScheduleJob(IStorageConnection connection, string recurringJobId, Dictionary<string, string> recurringJob)
{
var serializedJob = JobHelper.FromJson<InvocationData>(recurringJob["Job"]);
var job = serializedJob.Deserialize();
var cron = recurringJob["Cron"];
var cronSchedule = CrontabSchedule.Parse(cron);
var currentTime = _dateTimeProvider.CurrentDateTime;
if (recurringJob.ContainsKey("NextExecution"))
{
var nextExecution = JobHelper.DeserializeDateTime(recurringJob["NextExecution"]);
if (nextExecution <= currentTime)
{
var state = new EnqueuedState { Reason = "Triggered by recurring job scheduler" };
var jobId = _client.Create(job, state);
connection.SetRangeInHash(
String.Format("recurring-job:{0}", recurringJobId),
new Dictionary<string, string>
{
{ "LastExecution", JobHelper.SerializeDateTime(currentTime) },
{ "LastJobId", jobId },
{ "NextExecution", JobHelper.SerializeDateTime(_dateTimeProvider.GetNextOccurrence(cronSchedule)) }
});
}
}
else
{
var nextExecution = _dateTimeProvider.GetNextOccurrence(cronSchedule);
connection.SetRangeInHash(
String.Format("recurring-job:{0}", recurringJobId),
new Dictionary<string, string>
{
{ "NextExecution", JobHelper.SerializeDateTime(nextExecution) }
});
}
}
public void Trigger([NotNull] string recurringJobId)
{
if (recurringJobId == null) throw new ArgumentNullException("recurringJobId");
using (var connection = _storage.GetConnection())
{
var hash = connection.GetAllEntriesFromHash(String.Format("recurring-job:{0}", recurringJobId));
if (hash == null)
{
return;
}
var job = JobHelper.FromJson<InvocationData>(hash["Job"]).Deserialize();
var state = new EnqueuedState { Reason = "Triggered using recurring job manager" };
if (hash.ContainsKey("Queue"))
{
state.Queue = hash["Queue"];
}
_factory.Create(new CreateContext(_storage, connection, job, state));
}
}
private bool EnqueueNextScheduledJob()
{
using (var connection = _storage.GetConnection())
using (connection.AcquireDistributedLock("locks:schedulepoller", DefaultLockTimeout))
{
var timestamp = JobHelper.ToTimestamp(DateTime.UtcNow);
// TODO: it is very slow. Add batching.
var jobId = connection
.GetFirstByLowestScoreFromSet("schedule", 0, timestamp);
if (String.IsNullOrEmpty(jobId))
{
// No more scheduled jobs pending.
return false;
}
var stateMachine = _stateMachineFactory.Create(connection);
var enqueuedState = new EnqueuedState
{
Reason = "Triggered scheduled job"
};
if (!stateMachine.ChangeState(jobId, enqueuedState, new[] { ScheduledState.StateName }))
{
// When state change does not succeed, this means that background job
// was in a state other than Scheduled, or it was moved to a state other
// than Enqueued. We should remove the job identifier from the set in
// the first case only, but can't differentiate these cases yet.
using (var transaction = connection.CreateWriteTransaction())
{
transaction.RemoveFromSet("schedule", jobId);
transaction.Commit();
}
}
return true;
}
}
private void TryScheduleJob(
JobStorage storage,
IStorageConnection connection,
string recurringJobId,
IReadOnlyDictionary<string, string> recurringJob)
{
var serializedJob = JobHelper.FromJson<InvocationData>(recurringJob["Job"]);
var job = serializedJob.Deserialize();
var cron = recurringJob["Cron"];
var cronSchedule = CrontabSchedule.Parse(cron);
try
{
var timeZone = recurringJob.ContainsKey("TimeZoneId")
? TimeZoneInfo.FindSystemTimeZoneById(recurringJob["TimeZoneId"])
: TimeZoneInfo.Utc;
var nowInstant = _instantFactory(cronSchedule, timeZone);
var changedFields = new Dictionary<string, string>();
var lastInstant = GetLastInstant(recurringJob, nowInstant);
if (nowInstant.GetNextInstants(lastInstant).Any())
{
var state = new EnqueuedState { Reason = "Triggered by recurring job scheduler" };
if (recurringJob.ContainsKey("Queue") && !String.IsNullOrEmpty(recurringJob["Queue"]))
{
state.Queue = recurringJob["Queue"];
}
var backgroundJob = _factory.Create(new CreateContext(storage, connection, job, state));
var jobId = backgroundJob != null ? backgroundJob.Id : null;
if (String.IsNullOrEmpty(jobId))
{
Logger.DebugFormat(
"Recurring job '{0}' execution at '{1}' has been canceled.",
recurringJobId,
nowInstant.NowInstant);
}
changedFields.Add("LastExecution", JobHelper.SerializeDateTime(nowInstant.NowInstant));
changedFields.Add("LastJobId", jobId ?? String.Empty);
}
// Fixing old recurring jobs that doesn't have the CreatedAt field
if (!recurringJob.ContainsKey("CreatedAt"))
{
changedFields.Add("CreatedAt", JobHelper.SerializeDateTime(nowInstant.NowInstant));
}
changedFields.Add("NextExecution", nowInstant.NextInstant.HasValue ? JobHelper.SerializeDateTime(nowInstant.NextInstant.Value) : null);
connection.SetRangeInHash(
String.Format("recurring-job:{0}", recurringJobId),
changedFields);
}
catch (TimeZoneNotFoundException ex)
{
Logger.ErrorException(
String.Format("Recurring job '{0}' was not triggered: {1}.", recurringJobId, ex.Message),
ex);
}
}
public void StateName_IsCorrect()
{
var state = new EnqueuedState();
Assert.Equal(EnqueuedState.StateName, state.Name);
}
private void TryScheduleJob(IStorageConnection connection, string recurringJobId, Dictionary<string, string> recurringJob)
{
var serializedJob = JobHelper.FromJson<InvocationData>(recurringJob["Job"]);
var job = serializedJob.Deserialize();
var cron = recurringJob["Cron"];
var parts = cron.Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
var cronSchedule = CrontabSchedule.Parse(cron, new CrontabSchedule.ParseOptions { IncludingSeconds = (parts.Length >= 6) });
try
{
var timeZone = recurringJob.ContainsKey("TimeZoneId")
? TimeZoneInfo.FindSystemTimeZoneById(recurringJob["TimeZoneId"])
: TimeZoneInfo.Utc;
var instant = _instantFactory.GetInstant(cronSchedule, timeZone);
var lastExecutionTime = recurringJob.ContainsKey("LastExecution")
? JobHelper.DeserializeDateTime(recurringJob["LastExecution"])
: (DateTime?)null;
var changedFields = new Dictionary<string, string>();
if (instant.GetNextInstants(lastExecutionTime).Any())
{
var state = new EnqueuedState { Reason = "Triggered by recurring job scheduler" };
var jobId = _client.Create(job, state);
if (String.IsNullOrEmpty(jobId))
{
Logger.DebugFormat(
"Recurring job '{0}' execution at '{1}' has been canceled.",
recurringJobId,
instant.NowInstant);
}
changedFields.Add("LastExecution", JobHelper.SerializeDateTime(instant.NowInstant));
changedFields.Add("LastJobId", jobId ?? String.Empty);
}
changedFields.Add("NextExecution", JobHelper.SerializeDateTime(instant.NextInstant));
connection.SetRangeInHash(
String.Format("recurring-job:{0}", recurringJobId),
changedFields);
}
catch (TimeZoneNotFoundException ex)
{
Logger.ErrorException(
String.Format("Recurring job '{0}' was not triggered: {1}.", recurringJobId, ex.Message),
ex);
}
}
public void Ctor_ShouldSetQueue_WhenItWasGiven()
{
var state = new EnqueuedState("critical");
Assert.Equal("critical", state.Queue);
}
