public async Task <Result <IRetrievedMessages> > GetMessages(TimeSpan visibilityTimeout, CancellationToken ct)
{
try
{
var cloudQueueMessages = await queue.GetMessagesAsync(CloudQueueMessage.MaxNumberOfMessagesToPeek, visibilityTimeout, null, null, ct).ConfigureAwait(false);
var retrievedMessages = new RetrievedMessages(cloudQueueMessages.Select(m => new Message(m.Id, m.AsBytes, m.PopReceipt, m.DequeueCount)).ToArray());
return(new Result <IRetrievedMessages>(HttpStatusCode.OK, retrievedMessages));
}
catch (StorageException ex)
{
return(FromException <IRetrievedMessages>(ex));
}
}
public bool ProcessCommand(string command)
{
if (command.ToLower().StartsWith("quit"))
{
// Remove the messages...
DeletedMessages.Sort();
DeletedMessages.Reverse();
foreach (int deletedMessage in DeletedMessages)
{
_messages.RemoveAt(deletedMessage - 1);
}
return(false);
}
if (command.ToLower().StartsWith("user"))
{
Send("+OK\r\n");
return(true);
}
if (command.ToLower().StartsWith("capa"))
{
string capabilities = "USER\r\nUIDL\r\nTOP\r\n";
if (_connectionSecurity == eConnectionSecurity.eCSSTARTTLSRequired ||
_connectionSecurity == eConnectionSecurity.eCSSTARTTLSOptional)
{
capabilities += "STLS\r\n";
}
string response = "+OK CAPA list follows\r\n" + capabilities + "." + "\r\n";
Send(response);
return(true);
}
if (command.ToLower().StartsWith("stls"))
{
Send("+OK Begin TLS negotiation\r\n");
_tcpConnection.HandshakeAsServer(SslSetup.GetCertificate());
return(true);
}
if (command.ToLower().StartsWith("pass"))
{
Send("+OK\r\n");
return(true);
}
if (command.ToLower().StartsWith("uidl"))
{
if (!SupportsUIDL)
{
Send("-ERR unhandled command\r\n");
return(true);
}
Send("+OK\r\n");
for (int i = 0; i < _messages.Count; i++)
{
Send(string.Format("{0} UniqueID-{1}\r\n", i + 1, _messages[i].GetHashCode()));
}
Send(".\r\n");
return(true);
}
if (command.ToLower().StartsWith("retr"))
{
command = command.Substring(5);
command = command.TrimEnd('\n');
command = command.TrimEnd('\r');
int messageID = Convert.ToInt32(command);
RetrievedMessages.Add(messageID);
string message = _messages[messageID - 1];
switch (SendBufferMode)
{
case BufferMode.Split:
{
Send("+OK\r\n");
Send(message);
Send("\r\n.\r\n");
break;
}
case BufferMode.SingleBuffer:
{
Send("+OK\r\n" + message + "\r\n.\r\n");
break;
}
case BufferMode.MessageAndTerminatonTogether:
{
Send("+OK\r\n");
Send(message + "\r\n.\r\n");
break;
}
}
if (DisconnectAfterRetrCompletion)
{
return(false);
}
return(true);
}
if (command.ToLower().StartsWith("dele"))
{
command = command.Substring(5);
command = command.TrimEnd('\n');
command = command.TrimEnd('\r');
int messageID = Convert.ToInt32(command);
DeletedMessages.Add(messageID);
Send("+OK\r\n");
return(true);
}
return(true);
}
public bool ProcessCommand(string command)
{
if (command.ToLower().StartsWith("quit"))
{
// Remove the messages...
DeletedMessages.Sort();
DeletedMessages.Reverse();
foreach (int deletedMessage in DeletedMessages)
{
_messages.RemoveAt(deletedMessage - 1);
}
return(false);
}
if (command.ToLower().StartsWith("user"))
{
Send("+OK\r\n");
return(true);
}
if (command.ToLower().StartsWith("pass"))
{
Send("+OK\r\n");
return(true);
}
if (command.ToLower().StartsWith("uidl"))
{
if (!SupportsUIDL)
{
Send("-ERR unhandled command\r\n");
return(true);
}
Send("+OK\r\n");
for (int i = 0; i < _messages.Count; i++)
{
Send(string.Format("{0} UniqueID-{1}\r\n", i + 1, _messages[i].GetHashCode()));
}
Send(".\r\n");
return(true);
}
if (command.ToLower().StartsWith("retr"))
{
command = command.Substring(5);
command = command.TrimEnd('\n');
command = command.TrimEnd('\r');
int messageID = Convert.ToInt32(command);
RetrievedMessages.Add(messageID);
string message = _messages[messageID - 1];
Send("+OK\r\n");
Send(message);
Send("\r\n.\r\n");
return(true);
}
if (command.ToLower().StartsWith("dele"))
{
command = command.Substring(5);
command = command.TrimEnd('\n');
command = command.TrimEnd('\r');
int messageID = Convert.ToInt32(command);
DeletedMessages.Add(messageID);
Send("+OK\r\n");
return(true);
}
return(true);
}
