internal WorkerRunner(WorkerCard workerCard, WorkAssignment workAssignment, CommittableTransaction committableTransaction)
{
WorkerCard = workerCard;
WorkAssignment = workAssignment;
CommittableTransaction = committableTransaction;
Command = Command.Run;
quitGracefully = false;
}
internal WorkerRunner(WorkerCard workerCard, WorkAssignment workAssignment, CommittableTransaction committableTransaction)
{
WorkerCard = workerCard;
WorkAssignment = workAssignment;
CommittableTransaction = committableTransaction;
Command = Command.Run;
quitGracefully = false;
}
public WorkerStatistics(WorkAssignment workAssignment, string machineName, Pipe reportPipe)
{
WorkerBadge = workAssignment.WorkerBadge;
WorkerBorn = DateTime.Now;
HeartBeatInterval = new TimeSpan(0, 0, 1);
PreviousHeartBeatSentTime = WorkerBorn;
CurrentHeartBeatSentTime = WorkerBorn;
if (reportPipe == null) throw new ArgumentException("reportPipe is null");
ReportPipe = reportPipe;
}
public WorkerBadge(WorkAssignment workAssignment)
{
SectionName = workAssignment.WorkRequest.SectionName;
RoleSlotToken = workAssignment.RoleSlotToken;
MachineName = Environment.MachineName;
WorkerId = workAssignment.WorkRequest.PipelineId + "_" +
workAssignment.WorkRequest.SectionName + "_" +
workAssignment.RoleSlotToken.SlotId + "_" +
Environment.MachineName;
}
public WorkerBadge(WorkAssignment workAssignment)
{
SectionName = workAssignment.WorkRequest.SectionName;
RoleSlotToken = workAssignment.RoleSlotToken;
MachineName = Environment.MachineName;
WorkerId = workAssignment.WorkRequest.PipelineId + "_" +
workAssignment.WorkRequest.SectionName + "_" +
workAssignment.RoleSlotToken.SlotId + "_" +
Environment.MachineName;
}
public WorkerStatistics(WorkAssignment workAssignment, string machineName, Pipe reportPipe)
{
WorkerBadge = workAssignment.WorkerBadge;
WorkerBorn = DateTime.Now;
HeartBeatInterval = new TimeSpan(0, 0, 1);
PreviousHeartBeatSentTime = WorkerBorn;
CurrentHeartBeatSentTime = WorkerBorn;
if (reportPipe == null)
{
throw new ArgumentException("reportPipe is null");
}
ReportPipe = reportPipe;
}
private void EmployWorkersForJob(RunningJob runningJob)
{
foreach (JobSection jobSection in runningJob.Sections)
{
if (null == jobSection.WorkerCard)
{
continue; // We don't have workers for this role
}
uint availableWorkers = jobSection.WorkerCard.MaxNumOfInstances - GetWorkingWorkersNumber(jobSection.RoleType);
if (availableWorkers == 0)
{
continue; // All available workers for that role are busy
}
// Try to hire ONE worker for the role.
// We should not hire more than one worker for the role in one iteration to give other WorkerManagers a chance to take some workload.
RoleSlotToken roleSlotToken = null;
var transaction = new CommittableTransaction(TransactionManager.MaximumTimeout);
Transaction oldAmbient = Transaction.Current;
Transaction.Current = transaction;
try
{
roleSlotToken = jobSection.GetFreeSlot();
}
finally
{
Transaction.Current = oldAmbient;
if (null == roleSlotToken)
{
transaction.Rollback();
transaction.Dispose();
}
}
if (null == roleSlotToken)
{
continue;
}
WorkAssignment workAssignment = new WorkAssignment(jobSection.WorkRequest, roleSlotToken,
runningJob.JobId, runningJob.ScheduleRunDuration, runningJob.ScheduleCreatedBy, runningJob.NotificationId, runningJob.Frequency);
EmployWorker(jobSection.WorkerCard, workAssignment, transaction);
jobSection.WorkerIDs.Add(workAssignment.WorkerId);
}
}
internal void EmployWorker(WorkerCard workerCard, WorkAssignment workAssignment, CommittableTransaction committableTransaction)
{
WorkerRunner workerRunner = null;
switch (workAssignment.WorkRequest.WorkerIsolationLevel)
{
case WorkerIsolationLevel.SeparateAppDomain:
workerRunner = new WorkerRunnerAppDomain(workerCard, workAssignment, committableTransaction);
break;
case WorkerIsolationLevel.SeparateProcess:
workerRunner = new WorkerRunnerProcess(workerCard, workAssignment, committableTransaction);
// Debug
//workerRunner = new WorkerRunnerThread(workerCard, WorkAssignment, committableTransaction);
break;
case WorkerIsolationLevel.SeparateThread:
case WorkerIsolationLevel.Default:
default:
workerRunner = new WorkerRunnerThread(workerCard, workAssignment, committableTransaction);
break;
}
try
{
AllWorkerRunners.Add(workAssignment.WorkerId, workerRunner);
}
catch (Exception ex)
{
Tracer.Error("AllWorkerRunners.Add({0}) caused exception: {1}", workAssignment.WorkerId, ex);
foreach (string workerId in AllWorkerRunners.Keys)
{
Tracer.Error("AllWorkerRunners contains worker {0}", workerId);
}
throw;
}
workerRunner.Run();
}
private void EmployWorkersForJob(RunningJob runningJob)
{
foreach (JobSection jobSection in runningJob.Sections)
{
if (null == jobSection.WorkerCard) continue; // We don't have workers for this role
uint availableWorkers = jobSection.WorkerCard.MaxNumOfInstances - GetWorkingWorkersNumber(jobSection.RoleType);
if (availableWorkers == 0) continue; // All available workers for that role are busy
// Try to hire ONE worker for the role.
// We should not hire more than one worker for the role in one iteration to give other WorkerManagers a chance to take some workload.
RoleSlotToken roleSlotToken = null;
var transaction = new CommittableTransaction(TransactionManager.MaximumTimeout);
Transaction oldAmbient = Transaction.Current;
Transaction.Current = transaction;
try
{
roleSlotToken = jobSection.GetFreeSlot();
}
finally
{
Transaction.Current = oldAmbient;
if (null == roleSlotToken)
{
transaction.Rollback();
transaction.Dispose();
}
}
if (null == roleSlotToken)
{
continue;
}
WorkAssignment workAssignment = new WorkAssignment(jobSection.WorkRequest, roleSlotToken,
runningJob.JobId, runningJob.ScheduleRunDuration, runningJob.ScheduleCreatedBy, runningJob.NotificationId, runningJob.Frequency);
EmployWorker(jobSection.WorkerCard, workAssignment, transaction);
jobSection.WorkerIDs.Add(workAssignment.WorkerId);
}
}
public WorkerStateChangedMessage(WorkAssignment workAssignment, WorkerState workerState)
{
WorkerBadge = workAssignment.WorkerBadge;
WorkerState = workerState;
}
public WorkerStateChangedMessage(WorkAssignment workAssignment, WorkerState workerState)
{
WorkerBadge = workAssignment.WorkerBadge;
WorkerState = workerState;
}
internal WorkerRunnerThread(WorkerCard workerCard, WorkAssignment workAssignment, CommittableTransaction committableTransaction)
: base(workerCard, workAssignment, committableTransaction)
{
}
internal void EmployWorker(WorkerCard workerCard, WorkAssignment workAssignment, CommittableTransaction committableTransaction)
{
WorkerRunner workerRunner = null;
switch (workAssignment.WorkRequest.WorkerIsolationLevel)
{
case WorkerIsolationLevel.SeparateAppDomain:
workerRunner = new WorkerRunnerAppDomain(workerCard, workAssignment, committableTransaction);
break;
case WorkerIsolationLevel.SeparateProcess:
workerRunner = new WorkerRunnerProcess(workerCard, workAssignment, committableTransaction);
// Debug
//workerRunner = new WorkerRunnerThread(workerCard, WorkAssignment, committableTransaction);
break;
case WorkerIsolationLevel.SeparateThread:
case WorkerIsolationLevel.Default:
default:
workerRunner = new WorkerRunnerThread(workerCard, workAssignment, committableTransaction);
break;
}
try
{
AllWorkerRunners.Add(workAssignment.WorkerId, workerRunner);
}
catch (Exception ex)
{
Tracer.Error("AllWorkerRunners.Add({0}) caused exception: {1}", workAssignment.WorkerId, ex);
foreach (string workerId in AllWorkerRunners.Keys)
{
Tracer.Error("AllWorkerRunners contains worker {0}", workerId);
}
throw;
}
workerRunner.Run();
}
internal WorkerRunnerThread(WorkerCard workerCard, WorkAssignment workAssignment, CommittableTransaction committableTransaction)
: base(workerCard, workAssignment, committableTransaction)
{
}