public void SingleQueueControllerTest()
{
var manager = new QueueMessageManagerSql();
// sample - create 3 message
for (int i = 0; i < 3; i++)
{
var item = new QueueMessageItem()
{
QueueName = "Queue1",
Message = "Print Image",
Action = "PRINTIMAGE",
TextInput = "4334333" // image Id
};
// sets appropriate settings for submit on item
manager.SubmitRequest(item);
// item has to be saved
Assert.IsTrue(manager.Save(), manager.ErrorMessage);
Console.WriteLine("added " + manager.Item.Id);
}
Console.WriteLine("Starting... Async Manager Processing");
// create a new Controller to process in the background
// on separate threads
var controller = new QueueController()
{
ConnectionString = "QueueMessageManager",
ThreadCount = 2,
WaitInterval = 200,
QueueName = "Queue1"
};
Console.WriteLine("Wait: " + controller.WaitInterval);
// ExecuteStart Event is where your processing logic goes
controller.ExecuteStart += controller_ExecuteStart;
// ExecuteFailed and ExecuteComplete let you take actions on completion
controller.ExecuteComplete += controller_ExecuteComplete;
controller.ExecuteFailed += controller_ExecuteFailed;
// actually start the queue
controller.StartProcessingAsync();
// For test we have to keep the threads alive
// to allow the 3 requests to process
Thread.Sleep(2000);
// shut down
controller.StopProcessing();
Thread.Sleep(200);
Console.WriteLine("Stopping... Async Manager Processing");
Assert.IsTrue(true);
}
/// <summary>
/// Saves the passed message item or the attached item
/// to the database and creates a MSMQ message for the ID
/// to be picked up.
///
/// Call this after updating properties
/// or individual values.
///
/// Inserts or updates based on whether the ID exists
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public override bool Save(QueueMessageItem item = null)
{
if (item == null)
{
item = Item;
}
bool isNew = false;
if (item != null)
{
isNew = item.__IsNew;
}
// first write the SQL record
if (!base.Save(item))
{
return(false);
}
if (!isNew)
{
return(true);
}
// now write the MSMQ entry - if it fails
// the queue item is removed
return(InsertIdIntoQueue(item));
}
public void AddQueueItem()
{
var qm = new QueueMessageManagerSql(connectionString);
var item = new QueueMessageItem()
{
Message = "Single SQL Entry",
TextInput = "Process This",
QueueName="MPWF",
Action="HELLOWORLD",
Xml = @"<doc>
<company>West Wind</company>
<name>Rick</name>
</doc>
"
};
Assert.IsTrue(qm.SubmitRequest(item, null, true), qm.ErrorMessage);
}
public void AddManyQueueItems()
{
var qm = new QueueMessageManagerSql(connectionString);
for (int i = 0; i < 10; i++)
{
var item2 = new QueueMessageItem()
{
Message = "Sql Queue Entry",
TextInput = "Process This",
QueueName = "MPWF",
Action = "GOBIG",
Xml = string.Format(@"<doc>
<company>East Wind</company>
<name>Rick</name>
<time>{0}</time>
</doc>
",DateTime.Now.ToString("MMM dd - HH:mm:ss"))
};
Thread.Sleep(300);
Assert.IsTrue(qm.SubmitRequest(item2, null, true), qm.ErrorMessage);
}
}
/// <summary>
/// Resubmits an existing message by clearing out all
/// completion/date settings and then resubmitting the
/// entry.
///
/// This method calls Save() and actually saves the message
/// to disk.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public virtual bool ResubmitMessage(QueueMessageItem item = null)
{
SubmitRequest(item);
return Save(item);
}
public void QueueControllerMultipleTest()
{
var manager = new QueueMessageManagerSql();
// sample - create 3 message in 'default' queue
for (int i = 0; i < 3; i++)
{
var item = new QueueMessageItem()
{
Message = "Print Image",
Action = "PRINTIMAGE",
TextInput = "4334333", // image Id
QueueName = "Queue1"
};
// sets appropriate settings for submit on item
manager.SubmitRequest(item);
// item has to be saved
Assert.IsTrue(manager.Save(), manager.ErrorMessage);
Console.WriteLine("added to Queue1:" + manager.Item.Id);
}
// sample - create 3 message in 'default' queue
for (int i = 0; i < 3; i++)
{
var item = new QueueMessageItem()
{
Message = "Print Image (2nd)",
Action = "PRINTIMAGE",
TextInput = "5334333", // image Id
QueueName = "Queue2"
};
// sets appropriate settings for submit on item
manager.SubmitRequest(item);
// item has to be saved
Assert.IsTrue(manager.Save(), manager.ErrorMessage);
Console.WriteLine("added to Queue2: " + manager.Item.Id);
}
// create a new Controller to process in the background
// on separate threads
var controller = new QueueControllerMultiple(new List<QueueController>()
{
new QueueControllerMultiple()
{
QueueName = "Queue1",
WaitInterval = 300,
ThreadCount = 5
},
new QueueControllerMultiple()
{
QueueName = "Queue2",
WaitInterval = 500,
ThreadCount = 3
}
});
// Point all controllers at the same execution handlers
// Alternately you can configure each controller with their
// own event handlers or implement custom controller subclasses
// that use the OnXXX handlers to handle the events
controller.ExecuteStart += controller_ExecuteStart;
controller.ExecuteComplete += controller_ExecuteComplete;
controller.ExecuteFailed += controller_ExecuteFailed;
// actually start the queue
Console.WriteLine("Starting... Async Manager Processing");
controller.StartProcessingAsync();
// For test we have to keep the threads alive
// to allow the 10 requests to process
Thread.Sleep(2000);
// shut down
controller.StopProcessing();
Thread.Sleep(200);
Console.WriteLine("Stopping... Async Manager Processing");
Assert.IsTrue(true);
Console.WriteLine("Processed: " + controller.MessagesProcessed);
}
/// <summary>
/// Saves the passed message item or the attached item
/// to the database. Call this after updating properties
/// or individual values.
///
/// Inserts or updates based on whether the ID exists
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public override bool Save(QueueMessageItem item = null)
{
SetError();
if (item == null)
item = Item;
if (item == null)
{
SetError("No item passed to save.");
return false;
}
var result = Collection.Save(item);
if (!result.HasLastErrorMessage)
return true;
SetError(result.ErrorMessage);
return false;
}
/// <summary>
/// Writes out a message to the SignalR hub
/// </summary>
/// <param name="queueItem"></param>
/// <param name="elapsed"></param>
/// <param name="waiting"></param>
public virtual void WriteMessage(QueueMessageItem queueItem, int elapsed = 0, int waiting = -1)
{
// forward to SignalR Hub broadcast
QueueMonitorServiceHub.WriteMessage(queueItem, elapsed, waiting);
}
/// <summary>
/// Saves the passed message item or the attached item
/// to the database and creates a MSMQ message for the ID
/// to be picked up.
///
/// Call this after updating properties
/// or individual values.
///
/// Inserts or updates based on whether the ID exists
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public override bool Save(QueueMessageItem item = null)
{
if (item == null)
item = Item;
bool isNew = false;
if (item!= null)
isNew = item.__IsNew;
// first write the SQL record
if (!base.Save(item))
return false;
if (!isNew)
return true;
// now write the MSMQ entry - if it fails
// the queue item is removed
return InsertIdIntoQueue(item);
}
/// <summary>
/// Writes out a message to all SignalR clients
/// </summary>
/// <param name="queueItem"></param>
/// <param name="elapsed"></param>
/// <param name="waiting"></param>
public static void WriteMessage(QueueMessageItem queueItem, int elapsed = 0, int waiting = -1)
{
string elapsedString = string.Empty;
if (elapsed > 0)
elapsedString = (Convert.ToDecimal(elapsed) / 1000).ToString("N2") + "s";
// Write out message to SignalR clients
HubContext.Clients.All.writeMessage(queueItem.Message,
queueItem.Status,
DateTime.Now.ToString("HH:mm:ss"),
queueItem.Id,
elapsedString,
waiting);
}
/// <summary>
/// Creates a new item instance and properly
/// initializes the instance's values.
/// </summary>
/// <returns></returns>
public QueueMessageItem CreateItem(QueueMessageItem entity = null)
{
if (entity == null)
Item = new QueueMessageItem();
else
Item = entity;
Item.__IsNew = true;
// ensure item is properly configured
Item.Submitted = DateTime.UtcNow;
Item.Status = "Submitted";
Item.Started = null;
Item.Completed = null;
return Item;
}
/// <summary>
/// Resubmit message into the queue as a cleared and message
/// to be reprocessed. All date flags are cleared.
///
/// This method immediately writes the queue item to disk
/// immediately. This version also writes an MSMQ item for
/// the ID.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public override bool ResubmitMessage(QueueMessageItem item = null)
{
if (!base.ResubmitMessage(item))
return false;
return InsertIdIntoQueue(item);
}
public void Notify(QueueMessageItem queueItem, int elapsed = 0, int waiting = 0)
{
WriteMessage(queueItem, elapsed, waiting);
}
/// <summary> /// Saves the passed item or the attached item /// to the database. Call this after updating properties /// or individual values. /// </summary> /// <param name="item"></param> /// <returns></returns> public abstract bool Save(QueueMessageItem item = null);
/// <summary>
/// Updates the QueueMessageStatus and or messages
/// </summary>
/// <param name="manager"></param>
/// <param name="status"></param>
/// <param name="messageText"></param>
/// <param name="percentComplete"></param>
public bool UpdateQueueMessageStatus(QueueMessageItem item = null, string status = null, string messageText = null, int percentComplete = -1, bool autoSave = false)
{
if (item == null)
item = Item;
if (item == null)
item = CreateItem();
if (!string.IsNullOrEmpty(status))
item.Status = status;
if (!string.IsNullOrEmpty(messageText))
item.Message = messageText;
if (percentComplete > -1)
item.PercentComplete = percentComplete;
if (autoSave)
return Save();
return true;
}
/// <summary>
/// Sets the Item record with the required settings
/// to complete and cancel a request. Not saved to database
/// call Save() explicitly.
/// </summary>
public bool CancelRequest(QueueMessageItem item = null, string messageText = null, bool autoSave = false)
{
if (item == null)
item = Item;
if (item == null)
item = CreateItem();
item.Status = "Cancelled";
item.Completed = DateTime.UtcNow;
if (item.Started == null)
item.Started = DateTime.UtcNow.AddMilliseconds(-1);
item.IsComplete = true;
item.IsCancelled = true;
if (messageText != null)
item.Message = messageText;
if (autoSave)
return Save();
return true;
}
/// <summary>
/// Sets the message properties for starting a new message request operation.
/// Note the record is not written to the database use Save explicitly
/// </summary>
/// <param name="item">An existing item instance</param>
public bool SubmitRequest(QueueMessageItem item = null, string messageText = null, bool autoSave = false)
{
if (item == null)
item = CreateItem();
item.PercentComplete = 0;
item.Status = "Submitted";
item.Submitted = DateTime.UtcNow;
item.Started = null;
item.Completed = null;
item.IsComplete = false;
item.IsCancelled = false;
if (item.QueueName == null)
item.QueueName = DefaultQueue;
if (messageText != null)
item.Message = messageText;
Item = item;
if (autoSave)
return Save();
return true;
}
/// <summary>
/// Writes out a message to all SignalR clients
/// </summary>
/// <param name="queueItem"></param>
/// <param name="elapsed"></param>
/// <param name="waiting"></param>
public static void WriteMessage(QueueMessageItem queueItem,
int elapsed = 0,
int waiting = -1,
DateTime? time = null)
{
string elapsedString = string.Empty;
if (elapsed > 0)
elapsedString = (Convert.ToDecimal(elapsed)/1000).ToString("N2") + "s";
var msg = HtmlUtils.DisplayMemo(queueItem.Message);
if (time == null)
time = DateTime.UtcNow;
// Write out message to SignalR clients
HubContext.Clients.All.writeMessage(msg,
queueItem.Status,
time.Value.ToString("HH:mm:ss"),
queueItem.Id,
elapsedString,
waiting, queueItem.QueueName);
}
/// <summary>
/// Helper method that inserts the
/// </summary>
/// <returns></returns>
public bool InsertIdIntoQueue(QueueMessageItem item = null)
{
if (item == null)
item = Item;
// write new entries into the queue
var queue = GetQueue(item.QueueName);
if (queue == null)
{
DeleteMessage(item.Id);
return false;
}
try
{
queue.Formatter = new StringMessageFormatter();
queue.Send(Item.Id);
}
catch (Exception ex)
{
SetError(ex);
DeleteMessage(item.Id);
return false;
}
return true;
}
