private void Init()
{
using (var db = new AryaServicesDbDataContext())
{
//Restart tasks that were "working" in the previous run (if any)
var workingTasks = db.AryaTasks.Where(t => t.Status == WorkerState.Working.ToString());
workingTasks.ForEach(t => t.Status = WorkerState.New.ToString());
db.SubmitChanges();
}
}
protected void CancelCurrentJob(object sender, CommandEventArgs e)
{
var taskId = Guid.Parse(e.CommandArgument.ToString());
using (var taskDc = new AryaServicesDbDataContext())
{
var task = taskDc.AryaTasks.First(t => t.ID == taskId);
if (task.Status == WorkerState.New.ToString())
{
task.Status = WorkerState.AbortedByUser.ToString();
taskDc.SubmitChanges();
}
else
{
lblMessage.Text =
"Could not cancel Job - it had already started before cancel request was sent to server.";
}
BindGridView();
}
}
public void SubmitJobs()
{
// get data context
using (var db = new AryaServicesDbDataContext())
{
// get a list of jobs to be executed
var now = DateTime.Now;
var jobs = db.AryaSchedules.Where(s => (s.NextExecution == null || s.NextExecution <= now));
// add each job to the task queue
foreach (var job in jobs)
{
string newArgumentDirectoryPath = Path.Combine(job.ProjectID.ToString(), Guid.NewGuid().ToString());
DirectoryCopy(Path.Combine(Settings.Default.ArgumentFileBasePath, job.ArgumentDirectoryPath),
Path.Combine(Settings.Default.ArgumentFileBasePath, newArgumentDirectoryPath), true);
//File.Copy();
var newJob = new AryaTask
{
ID = Guid.NewGuid(),
ScheduleID = job.ID,
Description = job.Description,
ArgumentDirectoryPath = newArgumentDirectoryPath,
Status = "New",
SubmittedBy = job.SubmittedBy,
SubmittedOn = now,
ProjectID = job.ProjectID,
LastUpdateOn = now,
JobType = job.JobType
};
db.AryaTasks.InsertOnSubmit(newJob);
Logger.GetLogWriter().Info("SchedueJobId:" + job.ID + "was submitted as regular job");
// update the date of execution of the selected job
job.NextExecution = now.AddMinutes(job.Interval);
job.LastExecution = now;
// update the database
db.SubmitChanges();
}
}
}
public async Task ProcessJobs(object processBucket)
{
//CurrentLogWriter.Debug("Job assigner has started processing jobs.");
try
{
AryaTask job;
using (var aryaServicesDb = new AryaServicesDbDataContext())
{
job =
aryaServicesDb.AryaTasks.FirstOrDefault(
s => s.Status.ToLower() == WorkerState.New.ToString().ToLower());
if (job == null)
{
return;
}
CurrentLogWriter.InfoFormat(
"Job ID: {0} Starting\tDescription:{1}\tSubmitted by:{2}\tSubmitted on:{3}\tJob type:{4}\tProcess bucket:{5}",
job.ID, job.Description, job.SubmittedBy, job.SubmittedOn, job.JobType, processBucket);
job.JobAssignedOn = DateTime.Now;
job.Status = WorkerState.Working.ToString();
aryaServicesDb.SubmitChanges();
}
string currentJobStatus, emailAddresses = string.Empty;
try
{
if (JobProcessors.ContainsKey(job.JobType))
{
//create the job instance
var currentJobType = JobProcessors[job.JobType];
var jobExecutor =
(WorkerBase)
Activator.CreateInstance(currentJobType,
new object[]
{
Path.Combine(Settings.Default.ArgumentFileBasePath,
job.ArgumentDirectoryPath)
});
jobExecutor.CurrentLogWriter = CurrentLogWriter;
jobExecutor.WorkerStatusChange += AryaServices.UpdateWorkerStatusInDb;
emailAddresses = jobExecutor.Arguments.NotificationEmailAddresses;
ProcessEmailJobStatus(emailAddresses, job, true, "Started");
await Task.Run(() => jobExecutor.Run());
jobExecutor.SaveSummary();
currentJobStatus = jobExecutor.Summary.State.ToString();
}
else
{
currentJobStatus = WorkerState.Abort.ToString();
CurrentLogWriter.ErrorFormat("{0}: {1} not found in the dll provided", job.ID, job.JobType);
}
}
catch (Exception ex)
{
var message = string.Empty;
var e = ex;
while (e != null)
{
message = Environment.NewLine + e.Message;
e = e.InnerException;
}
CurrentLogWriter.Error(ex.Source + message + Environment.NewLine + ex.StackTrace);
currentJobStatus = WorkerState.Abort.ToString();
CurrentLogWriter.Error(ex.SerializeObject());
}
using (var aryaServicesDb = new AryaServicesDbDataContext())
{
job = aryaServicesDb.AryaTasks.First(t => t.ID == job.ID);
job.Status = currentJobStatus;
ProcessEmailJobStatus(emailAddresses, job, true);
CurrentLogWriter.InfoFormat("Job Id: {0} Finished processing, Last Status: {1}", job.ID,
currentJobStatus);
job.LastUpdateOn = DateTime.Now;
aryaServicesDb.SubmitChanges();
}
}
catch (Exception ex)
{
CurrentLogWriter.Error(ex.SerializeObject());
}
CurrentLogWriter.Debug("Job assigner is exiting.");
}
