// POST api/Compute
public string Post(Microsoft.Research.Science.FetchClimate2.Serializable.FetchRequest request)
{
try
{
if (request.ReproducibilityTimestamp == new DateTime())
{
request.ReproducibilityTimestamp = DateTime.MaxValue;
}
var exactTS = WebApiApplication.GetExactConfigurationTimestamp(request.ReproducibilityTimestamp);
if (exactTS == DateTime.MinValue)
{
FrontendTrace.TraceError("Cannot process request. Timestamp {0} is too early for current service configuration", request.ReproducibilityTimestamp);
return(String.Format(Constants.FaultReply, "Timestamp is too early for this service"));
}
else
{
FrontendTrace.TraceVerbose("Request received: timestamp = {0}, exact timestamp = {1}",
request.ReproducibilityTimestamp, exactTS);
request.ReproducibilityTimestamp = exactTS;
}
var jobManager = WebApiApplication.GetSharedJobManager(Request);
jobManager.MarkOutdatedAsFailed(permitedTouchTimeTreshold);
var fetchRequest = request.ConvertFromSerializable();
string errorMsg;
if (!fetchRequest.Domain.IsContentValid(out errorMsg)) //checking request content
{
return(string.Format(Constants.FaultReply, errorMsg));
}
string hash = fetchRequest.GetSHAHash();
FrontendTrace.TraceInfo("{0}: Hash is computed for request", hash);
var jobStatus = jobManager.Submit(fetchRequest, hash, jobRegistrationPermitedTime, minPtsPerPartition, maxPtsPerPartition, RoleEnvironment.Roles["FetchWorker"].Instances.Count);
if (jobStatus.State == JobOrPartState.Pending || jobStatus.State == JobOrPartState.InProgress)
{
// Waiting for some time before response in case job manage to complete
FrontendTrace.TraceVerbose("{0}:Waiting for request completion", hash);
for (int i = 0; i *jobStatusCheckIntervalMilisec * 0.001 < waitingFastResultPeriodSec; ++i)
{
Thread.Sleep(jobStatusCheckIntervalMilisec);
jobStatus = jobManager.GetStatus(hash);
if ((jobStatus.State == JobOrPartState.Completed) || (jobStatus.State == JobOrPartState.Failed))
{
FrontendTrace.TraceVerbose("{0}:Request result is ready in less than {1} seconds, reporting {2} status", hash, waitingFastResultPeriodSec, jobStatus.ToString());
return(jobStatus.ToString());
}
}
FrontendTrace.TraceVerbose("{0}:Request result is not ready in {1} seconds, reporting {2} status", hash, waitingFastResultPeriodSec, jobStatus.ToString());
return(jobStatus.ToString());
}
else
{
return(jobStatus.ToString());
}
}
catch (Exception exc)
{
FrontendTrace.TraceError("Request is processing error: {0}", exc.ToString());
return(JobStatus.GetFailedStatus(exc.ToString()).ToString());
}
}