protected virtual void WriteMessageAck(MessageAck command, BinaryWriter dataOut)
{
var frame = new StompFrame("ACK", _encodeHeaders);
if (command.ResponseRequired)
{
frame.SetProperty(PropertyKeys.Receipt, "ignore:" + command.CommandId);
}
frame.SetProperty(PropertyKeys.MessageId, command.LastMessageId.ToString());
frame.SetProperty(PropertyKeys.Subscription, command.ConsumerId.ToString());
if (command.TransactionId != null)
{
frame.SetProperty(PropertyKeys.Transaction, command.TransactionId.ToString());
}
frame.ToStream(dataOut);
}
protected virtual void WriteRemoveInfo(RemoveInfo command, BinaryWriter dataOut)
{
var frame = new StompFrame("UNSUBSCRIBE", _encodeHeaders);
Object id = command.ObjectId;
if (!(id is ConsumerId))
{
return;
}
var consumerId = id as ConsumerId;
if (command.ResponseRequired)
{
frame.SetProperty(PropertyKeys.Receipt, command.CommandId);
}
frame.SetProperty(PropertyKeys.Id, consumerId.ToString());
frame.ToStream(dataOut);
}
protected virtual ICommand CreateCommand(StompFrame frame)
{
var command = frame.Command;
switch (command)
{
case "RECEIPT":
{
var text = frame.RemoveProperty(PropertyKeys.ReceiptId);
if (text != null)
{
var answer = new Response();
if (text.StartsWith("ignore:", StringComparison.Ordinal))
{
text = text.Substring("ignore:".Length);
}
answer.CorrelationId = Int32.Parse(text);
return(answer);
}
}
break;
case "CONNECTED":
return(ReadConnected(frame));
case "ERROR":
{
var text = frame.RemoveProperty(PropertyKeys.ReceiptId);
if (text?.StartsWith("ignore:", StringComparison.Ordinal) == true)
{
return new Response {
CorrelationId = Int32.Parse(text.Substring("ignore:".Length))
}
}
;
var answer = new ExceptionResponse();
if (text != null)
{
answer.CorrelationId = Int32.Parse(text);
}
var error = new BrokerError {
Message = frame.RemoveProperty(PropertyKeys.Message)
};
answer.Exception = error;
return(answer);
}
case "KEEPALIVE":
return(new KeepAliveInfo());
case "MESSAGE":
return(ReadMessage(frame));
}
if (Tracer.IsErrorEnabled)
{
Tracer.Error("Unknown command: " + frame.Command + " headers: " + frame.Properties);
}
return(null);
}
protected virtual void WriteMessage(BytesMessage command, BinaryWriter dataOut)
{
var frame = new StompFrame("SEND", _encodeHeaders);
if (command.ResponseRequired)
{
frame.SetProperty(PropertyKeys.Receipt, command.CommandId);
}
frame.SetProperty(PropertyKeys.Destination, command.Destination.ConvertToStompString());
if (command.ReplyTo != null)
{
frame.SetProperty(PropertyKeys.ReplyTo, command.ReplyTo.ConvertToStompString());
}
if (command.CorrelationId != null)
{
frame.SetProperty(PropertyKeys.CorrelationId, command.CorrelationId);
}
if (command.Expiration != 0)
{
frame.SetProperty(PropertyKeys.Expires, command.Expiration);
}
if (command.Timestamp != 0)
{
frame.SetProperty(PropertyKeys.TimeStamp, command.Timestamp);
}
if (command.Priority != 4)
{
frame.SetProperty(PropertyKeys.Priority, command.Priority);
}
if (command.Type != null)
{
frame.SetProperty(PropertyKeys.Type, command.Type);
}
if (command.TransactionId != null)
{
frame.SetProperty(PropertyKeys.Transaction, command.TransactionId.ToString());
}
frame.SetProperty(PropertyKeys.Persistent,
command.Persistent.ToString()
.ToLower());
frame.SetProperty(PropertyKeys.NmsxDeliveryMode,
command.Persistent.ToString()
.ToLower());
if (command.StompGroupId != null)
{
frame.SetProperty(PropertyKeys.JmsxGroupId, command.StompGroupId);
frame.SetProperty(PropertyKeys.NmsxGroupId, command.StompGroupId);
frame.SetProperty(PropertyKeys.JmsxGroupSeq, command.StompGroupSeq);
frame.SetProperty(PropertyKeys.NmsxGroupSeq, command.StompGroupSeq);
}
// Store the Marshaled Content.
frame.Content = command.Content;
if (command.Content?.Length > 0 && StompNetConfiguration.AddContentLengthHeader)
{
frame.SetProperty(PropertyKeys.ContentLength, command.Content.Length);
}
frame.SetProperty(PropertyKeys.Transformation, "jms-byte");
// Marshal all properties to the Frame.
var map = command.Headers;
foreach (var key in map.Keys)
{
frame.SetProperty(key, map[key]);
}
frame.ToStream(dataOut);
}
protected virtual void WriteKeepAliveInfo(KeepAliveInfo command, BinaryWriter dataOut)
{
var frame = new StompFrame(StompFrame.Keepalive, _encodeHeaders);
frame.ToStream(dataOut);
}
protected virtual void WriteMessage(Message command, BinaryWriter dataOut)
{
var frame = new StompFrame("SEND", _encodeHeaders);
if (command.ResponseRequired)
{
frame.SetProperty("receipt", command.CommandId);
}
frame.SetProperty("destination", Destination.ConvertToStompString(command.Destination));
if (command.ReplyTo != null)
{
frame.SetProperty("reply-to", Destination.ConvertToStompString(command.ReplyTo));
}
if (command.CorrelationId != null)
{
frame.SetProperty("correlation-id", command.CorrelationId);
}
if (command.Expiration != 0)
{
frame.SetProperty("expires", command.Expiration);
}
if (command.Timestamp != 0)
{
frame.SetProperty("timestamp", command.Timestamp);
}
if (command.Priority != 4)
{
frame.SetProperty("priority", command.Priority);
}
if (command.Type != null)
{
frame.SetProperty("type", command.Type);
}
if (command.TransactionId != null)
{
frame.SetProperty("transaction", command.TransactionId.ToString());
}
frame.SetProperty("persistent",
command.Persistent.ToString()
.ToLower());
frame.SetProperty("NMSXDeliveryMode",
command.Persistent.ToString()
.ToLower());
if (command.StompGroupId != null)
{
frame.SetProperty("JMSXGroupID", command.StompGroupId);
frame.SetProperty("NMSXGroupID", command.StompGroupId);
frame.SetProperty("JMSXGroupSeq", command.StompGroupSeq);
frame.SetProperty("NMSXGroupSeq", command.StompGroupSeq);
}
// Perform any Content Marshaling.
command.BeforeMarshall(this);
// Store the Marshaled Content.
frame.Content = command.Content;
if (command is BytesMessage)
{
if (command.Content != null && command.Content.Length > 0)
{
frame.SetProperty("content-length", command.Content.Length);
}
frame.SetProperty("transformation", "jms-byte");
}
// Marshal all properties to the Frame.
var map = command.Headers;
foreach (var key in map.Keys)
{
frame.SetProperty(key, map[key]);
}
frame.ToStream(dataOut);
}
protected virtual ICommand ReadMessage(StompFrame frame)
{
Message message;
frame.RemoveProperty("transformation");
if (frame.HasProperty("content-length"))
{
message = new BytesMessage {
Content = frame.Content
}
}
;
else
{
message = new TextMessage(Encoding.GetString(frame.Content, 0, frame.Content.Length));
}
// Remove any receipt header we might have attached if the outbound command was
// sent with response required set to true
frame.RemoveProperty("receipt");
// Clear any attached content length headers as they aren't needed anymore and can
// clutter the Message Properties.
frame.RemoveProperty("content-length");
message.Type = frame.RemoveProperty("type");
message.Destination = Destination.ConvertToDestination(frame.RemoveProperty("destination"));
message.ReplyTo = Destination.ConvertToDestination(frame.RemoveProperty("reply-to"));
message.TargetConsumerId = new ConsumerId(frame.RemoveProperty("subscription"));
message.CorrelationId = frame.RemoveProperty("correlation-id");
message.MessageId = new MessageId(frame.RemoveProperty("message-id"));
message.Persistent = StompHelper.ToBool(frame.RemoveProperty("persistent"), false);
// If it came from NMS.Stomp we added this header to ensure its reported on the
// receiver side.
if (frame.HasProperty("NMSXDeliveryMode"))
{
message.Persistent = StompHelper.ToBool(frame.RemoveProperty("NMSXDeliveryMode"), false);
}
if (frame.HasProperty("priority"))
{
message.Priority = Byte.Parse(frame.RemoveProperty("priority"));
}
if (frame.HasProperty("timestamp"))
{
message.Timestamp = Int64.Parse(frame.RemoveProperty("timestamp"));
}
if (frame.HasProperty("expires"))
{
message.Expiration = Int64.Parse(frame.RemoveProperty("expires"));
}
if (frame.RemoveProperty("redelivered") != null)
{
message.RedeliveryCounter = 1;
}
// now lets add the generic headers
foreach (var key in frame.Properties.Keys)
{
var value = frame.Properties[key];
message.Headers[key] = value;
}
var dispatch = new MessageDispatch
{
Message = message,
ConsumerId = message.TargetConsumerId,
Destination = message.Destination,
RedeliveryCounter = message.RedeliveryCounter
};
return(dispatch);
}