internal static DirectoryQueueMessage BuildMessage(IActorMessage msg)
{
DirectoryQueueMessage cloudMessage = new DirectoryQueueMessage();
byte[] msgBytes = TempSerialization.GetBytes <MsgType>(msg);
cloudMessage.SetMessageContent(msgBytes);
return(cloudMessage);
}
internal static void AddMessageProperties(DirectoryQueue queue, DirectoryQueueMessage cloudMessage, IStorageQueuePropertiesProvider props)
{
if (null == props || (null == props.TimeToLive && null == props.InitialVisibilityDelay))
{
queue.AddMessage(cloudMessage);
}
else
{
queue.AddMessage(cloudMessage, props.TimeToLive, props.InitialVisibilityDelay);
}
}
internal static void SerializeAndSend(IActorMessage msg, DirectoryQueue queue)
{
// Add the message to the azure queue
DirectoryQueueMessage cloudMessage = BuildMessage(msg);
AddMessageProperties(queue, cloudMessage, (msg is IStorageQueuePropertiesProvider) ? (msg as IStorageQueuePropertiesProvider): null);
if (null != msg.Status)
{
msg.Status?.SetResult(new QueuedDirectoryMessage(cloudMessage));
}
}
internal static void SerializeAndSend(IActorMessage msg, DirectoryQueue queue, string msgString)
{
DirectoryQueueMessage cloudMessage = new DirectoryQueueMessage();
cloudMessage.SetMessageContent(msgString);
AddMessageProperties(queue, cloudMessage, (msg is IStorageQueuePropertiesProvider) ? (msg as IStorageQueuePropertiesProvider) : null);
if (null != msg.Status)
{
msg.Status?.SetResult(new QueuedDirectoryMessage(cloudMessage));
}
}
public void DeleteMessage(DirectoryQueueMessage msg)
{
try
{
this.AcquireLock();
System.Diagnostics.Debug.WriteLine("Delete Message");
msg.Delete();
}
finally
{
this.ReleaseLock();
}
}
public DirectoryQueueMessage GetMessage(TimeSpan?retrieveVisibilityTimeout = null)
{
if (!System.IO.Directory.Exists(this.queuePath))
{
return(null);
}
try
{
this.AcquireLock();
System.Diagnostics.Debug.WriteLine("Get Message");
string msgpath = null;
System.IO.DirectoryInfo dInfo = new System.IO.DirectoryInfo(this.queuePath);
foreach (var t in dInfo.GetFileSystemInfos($"*{msgExtension}").OrderBy(p => p.CreationTime))
{
if ((t.Attributes & System.IO.FileAttributes.Hidden) != System.IO.FileAttributes.Hidden)
{
msgpath = t.FullName;
}
}
if (null == msgpath)
{
return(null);
}
DirectoryQueueMessage nextMessage = DirectoryQueueMessage.FromQueueFile(msgpath);
System.Diagnostics.Debug.WriteLine(msgpath);
// NOTE: we release the lock after we have the message because we update the visibility for the file
nextMessage.DequeueCount++;
nextMessage.Hide(retrieveVisibilityTimeout);
nextMessage.Store(); // make sure dequeue count has been stored correctly.
return(nextMessage);
}
finally
{
this.ReleaseLock();
}
}
public void AddMessage(DirectoryQueueMessage msg, TimeSpan?timeToLive, TimeSpan?initialVisibilityDelay)
{
try
{
this.AcquireLock();
System.Diagnostics.Debug.WriteLine("Add Message");
// set the msg name;
string fileNameAndPath = System.IO.Path.Combine(this.queuePath, DateTime.Now.Ticks.ToString("0000000000") + msgExtension);
while (System.IO.File.Exists(fileNameAndPath))
{
fileNameAndPath = System.IO.Path.Combine(this.queuePath, DateTime.Now.Ticks.ToString("0000000000") + msgExtension);
}
msg.SetTimeToLive(timeToLive);
msg.SetInitialVisibilityDelay(initialVisibilityDelay);
msg.LocalPathToQueuedMessage = fileNameAndPath;
msg.Store();
}
finally
{
this.ReleaseLock();
}
}
public IActorMessage GetMessage()
{
if (!recieveMessagesOnly)
{
throw new OperatorCannotRecieveMessagesException();
}
if (null != hangUp)
{
return(hangUp);
}
try
{
// Get the next message off of the azure queue
DirectoryQueueMessage next = this.queue.GetMessage(this.retrieveVisibilityTimeout);
if (null == next)
{
return(null);
}
if (next.DequeueCount > maxDequeueCount)
{
if (null != this.deadLetterQueue)
{
deadLetterQueue.AddMessage(next);
}
queue.DeleteMessage(next);
return(null);
}
IActorMessage msg = null;
if (typeof(MsgType) == typeof(string))
{
msg = next.AsString.ToActorMessage();
}
else if (typeof(MsgType) == typeof(byte[]))
{
msg = next.AsBytes.ToActorMessage();
}
else
{
byte[] msgBytes = next.AsBytes;
var t = Telegraph.Instance.Ask(new DeserializeMessage <IActorMessage>(msgBytes));
msg = t.Result as IActorMessage;
}
if (null == msg.Status)
{
msg.Status = new TaskCompletionSource <IActorMessage>();
}
msg.Status.Task.ContinueWith(p => queue.DeleteMessage(next));
return(msg);
}
catch (Exception ex)
{
Exception foundEx = null;
var handler = this.FindExceptionHandler(_exceptionTypeToHandler, ex, out foundEx);
if (null != handler)
{
handler.Invoke(foundEx);
}
return(null);
}
}
public void AddMessage(DirectoryQueueMessage msg)
{
this.AddMessage(msg, null, null);
}
