private void execute(CloudQueueMessage currentMessage)
{
ProcessRequest myRequest = null;
string txt;
Common.ResourceAccess.IButlerStorageManager storageManager = null;
try
{
lock (myLock)
{
currentProcessRunning += 1;
}
MediaButler.Common.ButlerRequest watcherRequest = Newtonsoft.Json.JsonConvert.DeserializeObject <ButlerRequest>(currentMessage.AsString);
//Load Workflow's steps
List <StepHandler> mysteps = BuildChain(watcherRequest.WorkflowName);
myRequest = GetCurrentContext(watcherRequest.WorkflowName);
myRequest.CurrentMessage = currentMessage;
myRequest.ProcessTypeId = watcherRequest.WorkflowName;
//ProcessInstanceId:
//Single File: MessageID Guid (random)
//multiFile package: Container folder guid ID (set for client)
myRequest.ProcessInstanceId = this.getProcessId(watcherRequest.ControlFileUri, watcherRequest.MessageId.ToString());
myRequest.ProcessConfigConn = this.myProcessConfigConn;
myRequest.IsResumeable = (this.ReadConfigOrDefault(myRequest.ProcessTypeId + ".IsResumeable") == "1");
//Restore Status
storageManager = Common.ResourceAccess.BlobManagerFactory.CreateBlobManager(myRequest.ProcessConfigConn);
myRequest = restoreRequestOrCreateMetadata(myRequest, mysteps);
//2.Execute Chain
txt = string.Format("[{0}] Starting new Process, type {1} and ID {2}", this.GetType().FullName, myRequest.ProcessTypeId, myRequest.ProcessInstanceId);
Trace.TraceInformation(txt);
mysteps.FirstOrDefault().HandleRequest(myRequest);
//FinishProcess();
txt = string.Format("[{0}] Finish Process, type {1} and ID {2}", this.GetType().FullName, myRequest.ProcessTypeId, myRequest.ProcessInstanceId);
Trace.TraceInformation(txt);
//Finish Status
myRequest.CurrentStepIndex = Configuration.successFinishProcessStep;
storageManager.PersistProcessStatus(myRequest);
lock (myLock)
{
currentProcessRunning -= 1;
}
}
catch (Exception xxx)
{
if (myRequest != null)
{
//foreach (Exception item in myRequest.Exceptions)
foreach (string errorTxt in myRequest.Exceptions)
{
//Full Rollback?
txt = string.Format("[{0}] Error list process {1} intance {2} error: {3}", this.GetType().FullName, myRequest.ProcessTypeId, myRequest.ProcessInstanceId, errorTxt);
Trace.TraceError(txt);
}
txt = string.Format("[{0}] Error list process {1} intance {2} error: {3}", this.GetType().FullName, myRequest.ProcessTypeId, myRequest.ProcessInstanceId, xxx.Message);
myRequest.Exceptions.Add(txt);
//Update Status
myRequest.CurrentStepIndex = Configuration.failFinishProcessStep;
storageManager.PersistProcessStatus(myRequest);
}
else
{
txt = string.Format("[{0}] Error {1} without context Request yet", this.GetType().FullName, xxx.Message);
Trace.TraceError(xxx.Message);
}
//Exception no Managed
lock (myLock)
{
currentProcessRunning -= 1;
}
}
//3.return control
if (myRequest != null)
{
myRequest.DisposeRequest();
}
else
{
Trace.TraceError("myRequest is null raw message " + currentMessage.AsString);
}
myRequest = null;
Trace.Flush();
}
private void execute(CloudQueueMessage currentMessage)
{
ProcessRequest myRequest = null;
string txt;
try
{
lock (myLock)
{
currentProcessRunning += 1;
}
MediaButler.Common.ButlerRequest watcherRequest = Newtonsoft.Json.JsonConvert.DeserializeObject <ButlerRequest>(currentMessage.AsString);
List <StepHandler> mysteps = BuildChain(watcherRequest.WorkflowName);
myRequest = GetCurrentContext(watcherRequest.WorkflowName);
myRequest.CurrentMessage = currentMessage;
myRequest.ProcessTypeId = watcherRequest.WorkflowName;
myRequest.ProcessInstanceId = watcherRequest.MessageId.ToString();
myRequest.ProcessConfigConn = this.myProcessConfigConn;
myRequest.IsResumeable = (this.ReadConfigOrDefault(myRequest.ProcessTypeId + ".IsResumeable") == "1");
//2.Execute Chain
//lock (myLock)
//{
// currentProcessRunning += 1;
//}
txt = string.Format("[{0}] Starting new Process, type {1} and ID {2}", this.GetType().FullName, myRequest.ProcessTypeId, myRequest.ProcessInstanceId);
Trace.TraceInformation(txt);
mysteps.FirstOrDefault().HandleRequest(myRequest);
//FinishProcess();
txt = string.Format("[{0}] Finish Process, type {1} and ID {2}", this.GetType().FullName, myRequest.ProcessTypeId, myRequest.ProcessInstanceId);
Trace.TraceInformation(txt);
lock (myLock)
{
currentProcessRunning -= 1;
}
}
catch (Exception xxx)
{
if (myRequest != null)
{
foreach (Exception item in myRequest.Exceptions)
{
//Full Rollback?
txt = string.Format("[{0}] Error list process {1} intance {2} error: {3}", this.GetType().FullName, myRequest.ProcessTypeId, myRequest.ProcessInstanceId, item.Message);
Trace.TraceError(txt);
}
}
else
{
txt = string.Format("[{0}] Error {1} without context Request yet", this.GetType().FullName, xxx.Message);
Trace.TraceError(xxx.Message);
}
//Exception no Managed
lock (myLock)
{
currentProcessRunning -= 1;
}
// throw(X);
}
//3.return control
if (myRequest != null)
{
myRequest.DisposeRequest();
}
else
{
Trace.TraceError("myRequest is null raw message " + currentMessage.AsString);
}
myRequest = null;
Trace.Flush();
}
/// <summary>
/// Send back to watcher a "Posion messsage" and delete from in queue
/// </summary>
/// <param name="poisonMessage">the poison message</param>
/// <returns>Sueccess or not</returns>
private bool SendPoisonMessage(CloudQueueMessage poisonMessage)
{
bool sw = false;
try
{
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(_Configuration.ProcessConfigConn);
CloudQueueClient queueClient = storageAccount.CreateCloudQueueClient();
CloudQueue poisonQueue = queueClient.GetQueueReference(_Configuration.poisonQueue);
poisonQueue.CreateIfNotExists();
MediaButler.Common.ButlerRequest myButlerRequest = Newtonsoft.Json.JsonConvert.DeserializeObject <ButlerRequest>(poisonMessage.AsString);
MediaButler.Common.ButlerResponse myButlerResponse = new Common.ButlerResponse();
myButlerResponse.MezzanineFiles = myButlerRequest.MezzanineFiles;
////Add to Mezzamine Files the control File URL if it exist
//Becouse it is needed to move/delete the control file from processing to succes or fail
if (!string.IsNullOrEmpty(myButlerRequest.ControlFileUri))
{
myButlerResponse.MezzanineFiles.Add(myButlerRequest.ControlFileUri);
}
myButlerResponse.TimeStampProcessingCompleted = DateTime.Now.ToString();
myButlerResponse.TimeStampProcessingStarted = DateTime.Now.ToString();
myButlerResponse.WorkflowName = myButlerRequest.WorkflowName;
myButlerResponse.MessageId = myButlerRequest.MessageId;
myButlerResponse.TimeStampRequestSubmitted = myButlerRequest.TimeStampUTC;
myButlerResponse.StorageConnectionString = myButlerRequest.StorageConnectionString;
myButlerResponse.Log = "Poison Message";
//Lookin for Errors in Table Status
CloudTableClient tableClient = storageAccount.CreateCloudTableClient();
CloudTable table = tableClient.GetTableReference(MediaButler.Common.Configuration.ButlerWorkflowStatus);
TableOperation retrieveOperation =
TableOperation.Retrieve <MediaButler.Common.workflow.ProcessSnapShot>(myButlerRequest.WorkflowName, myButlerRequest.MessageId.ToString());
TableResult retrievedResult = table.Execute(retrieveOperation);
if (retrievedResult.Result != null)
{
//we have process info
var status = (MediaButler.Common.workflow.ProcessSnapShot)retrievedResult.Result;
try
{
var request = Newtonsoft.Json.JsonConvert.DeserializeObject <MediaButler.Common.workflow.ChainRequest>(status.jsonContext);
foreach (var error in request.Exceptions)
{
myButlerResponse.Log += "\r\n" + error.Message;
}
}
catch (Exception X)
{
Trace.TraceWarning("Unable to load Error LOG in response.log on poison message");
myButlerResponse.Log += "\r\n" + X.Message;
myButlerResponse.Log += "\r\n" + status.jsonContext;
}
//Delete register from Status table
TableOperation insertOperation = TableOperation.Delete(status);
table.Execute(insertOperation);
}
//Send Poison Mesagge
CloudQueueMessage poison = new CloudQueueMessage(Newtonsoft.Json.JsonConvert.SerializeObject(myButlerResponse));
poisonQueue.AddMessage(poison);
sw = true;
}
catch (Exception X)
{
string txt = string.Format("[{0}] at {1} has an error: {2}", this.GetType().FullName, "GetNewMessage", X.Message);
Trace.TraceError(txt);
}
return(sw);
}
