/// <summary>
/// Start the connection, i.e. start flowing messages. Note that this method must be called only from a single thread
/// and is not thread safe (which is legal according to the JMS specification).
/// @throws JMSException
/// </summary>
public void Start()
{
CheckNotClosed();
if (!_started)
{
foreach (DictionaryEntry lde in _sessions)
{
AmqChannel s = (AmqChannel)lde.Value;
s.Start();
}
_started = true;
}
}
protected override object operation()
{
ushort channelId = _connection.NextChannelId();
if (_log.IsDebugEnabled)
{
_log.Debug("Write channel open frame for channel id " + channelId);
}
// We must create the channel and register it before actually sending the frame to the server to
// open it, so that there is no window where we could receive data on the channel and not be set
// up to handle it appropriately.
AmqChannel channel = new AmqChannel(_connection,
channelId, _transacted, _acknowledgeMode, _prefetchHigh, _prefetchLow);
_connection.ProtocolSession.AddSessionByChannel(channelId, channel);
_connection.RegisterSession(channelId, channel);
bool success = false;
try
{
_connection.CreateChannelOverWire(channelId, _prefetchHigh, _prefetchLow, _transacted);
success = true;
}
catch (AMQException e)
{
throw new QpidException("Error creating channel: " + e, e);
}
finally
{
if (!success)
{
_connection.ProtocolSession.RemoveSessionByChannel(channelId);
_connection.DeregisterSession(channelId);
}
}
if (_connection._started)
{
channel.Start();
}
return(channel);
}