public static AMQPHeader getAMQP(IByteBuffer buf)
{
TLVAmqp list = TLVFactory.getTlv(buf);
if (list.Code != AMQPType.LIST_0 && list.Code != AMQPType.LIST_8 && list.Code != AMQPType.LIST_32)
{
throw new MalformedMessageException("Received amqp-header with malformed arguments");
}
AMQPHeader header = null;
Byte byteCode = list.Constructor.getDescriptorCode().Value;
HeaderCodes code = (HeaderCodes)byteCode;
switch (code)
{
case HeaderCodes.ATTACH:
header = new AMQPAttach();
break;
case HeaderCodes.BEGIN:
header = new AMQPBegin();
break;
case HeaderCodes.CLOSE:
header = new AMQPClose();
break;
case HeaderCodes.DETACH:
header = new AMQPDetach();
break;
case HeaderCodes.DISPOSITION:
header = new AMQPDisposition();
break;
case HeaderCodes.END:
header = new AMQPEnd();
break;
case HeaderCodes.FLOW:
header = new AMQPFlow();
break;
case HeaderCodes.OPEN:
header = new AMQPOpen();
break;
case HeaderCodes.TRANSFER:
header = new AMQPTransfer();
break;
default:
throw new MalformedMessageException("Received amqp-header with unrecognized performative");
}
header.fillArguments((TLVList)list);
return(header);
}
public void Subscribe(Topic[] topics)
{
for (int i = 0; i < topics.Length; i++)
{
Int64 currentHandler;
if (!_usedIncomingMappings.ContainsKey(topics[i].Name))
{
currentHandler = _nextHandle++;
_usedIncomingMappings[topics[i].Name] = currentHandler;
_usedMappings[currentHandler] = topics[i].Name;
AMQPAttach attach = new AMQPAttach();
attach.Channel = _channel;
attach.Name = topics[i].Name;
attach.Handle = currentHandler;
attach.Role = RoleCodes.RECEIVER;
attach.SndSettleMode = SendCodes.MIXED;
AMQPTarget target = new AMQPTarget();
target.Address = topics[i].Name;
target.Durable = TerminusDurability.NONE;
target.Timeout = 0;
target.Dynamic = false;
attach.Target = target;
_client.Send(attach);
}
}
}
public void Publish(Topic topic, byte[] content, Boolean retain, Boolean dup)
{
AMQPTransfer transfer = new AMQPTransfer();
transfer.Channel = _channel;
if (topic.Qos == QOS.AT_MOST_ONCE)
{
transfer.Settled = true;
}
else
{
transfer.Settled = false;
}
transfer.More = false;
transfer.MessageFormat = new AMQPMessageFormat(0);
MessageHeader messageHeader = new MessageHeader();
messageHeader.Durable = true;
messageHeader.Priority = 3;
messageHeader.Milliseconds = 1000;
AMQPData data = new AMQPData();
data.Data = content;
AMQPSection[] sections = new AMQPSection[1];
sections[0] = data;
transfer.addSections(sections);
if (_usedOutgoingMappings.ContainsKey(topic.Name))
{
Int64 handle = _usedOutgoingMappings[topic.Name];
transfer.Handle = handle;
_timers.Store(transfer);
if (transfer.Settled.Value)
{
_timers.Remove((Int32)transfer.DeliveryId.Value);
}
_client.Send(transfer);
}
else
{
Int64 currentHandler = _nextHandle++;
_usedOutgoingMappings[topic.Name] = currentHandler;
_usedMappings[currentHandler] = topic.Name;
transfer.Handle = currentHandler;
pendingMessages.Add(transfer);
AMQPAttach attach = new AMQPAttach();
attach.Channel = _channel;
attach.Name = topic.Name;
attach.Handle = currentHandler;
attach.Role = RoleCodes.SENDER;
attach.RcvSettleMode = ReceiveCodes.FIRST;
attach.InitialDeliveryCount = 0L;
AMQPSource source = new AMQPSource();
source.Address = topic.Name;
source.Durable = TerminusDurability.NONE;
source.Timeout = 0;
source.Dynamic = false;
attach.Source = source;
_client.Send(attach);
}
}
