protected AbstractQmsMessage CreateMessageWithBody(long messageNbr,
ContentHeaderBody contentHeader,
IList bodies)
{
ByteBuffer data;
// we optimise the non-fragmented case to avoid copying
if (bodies != null && bodies.Count == 1)
{
_logger.Debug("Non-fragmented message body (bodySize=" + contentHeader.BodySize + ")");
data = ((ContentBody)bodies[0]).Payload;
}
else
{
_logger.Debug("Fragmented message body (" + bodies.Count + " frames, bodySize=" + contentHeader.BodySize + ")");
data = ByteBuffer.Allocate((int)contentHeader.BodySize); // XXX: Is cast a problem?
foreach (ContentBody body in bodies)
{
data.Put(body.Payload);
//body.Payload.Release();
}
data.Flip();
}
_logger.Debug("Creating message from buffer with position=" + data.Position + " and remaining=" + data.Remaining);
return(CreateMessage(messageNbr, data, contentHeader));
}
private void SendImpl(string exchangeName, string routingKey, AbstractQmsMessage message, DeliveryMode deliveryMode, int priority, uint timeToLive, bool mandatory, bool immediate)
{
// todo: handle session access ticket
AMQFrame publishFrame = BasicPublishBody.CreateAMQFrame(
_channel.ChannelId, 0, exchangeName,
routingKey, mandatory, immediate
);
// fix message properties
if (!_disableTimestamps)
{
message.Timestamp = DateTime.UtcNow.Ticks;
if (timeToLive != 0)
{
message.Expiration = message.Timestamp + timeToLive;
}
}
else
{
message.Expiration = 0;
}
message.DeliveryMode = deliveryMode;
message.Priority = (byte)priority;
ByteBuffer payload = message.Data;
int payloadLength = payload.Limit;
ContentBody[] contentBodies = CreateContentBodies(payload);
AMQFrame[] frames = new AMQFrame[2 + contentBodies.Length];
for (int i = 0; i < contentBodies.Length; i++)
{
frames[2 + i] = ContentBody.CreateAMQFrame(_channelId, contentBodies[i]);
}
if (contentBodies.Length > 0 && _logger.IsDebugEnabled)
{
_logger.Debug(string.Format("Sending content body frames to {{exchangeName={0} routingKey={1}}}", exchangeName, routingKey));
}
// weight argument of zero indicates no child content headers, just bodies
AMQFrame contentHeaderFrame = ContentHeaderBody.CreateAMQFrame(
_channelId, AmqChannel.BASIC_CONTENT_TYPE, 0,
message.ContentHeaderProperties, (uint)payloadLength
);
if (_logger.IsDebugEnabled)
{
_logger.Debug(string.Format("Sending content header frame to {{exchangeName={0} routingKey={1}}}", exchangeName, routingKey));
}
frames[0] = publishFrame;
frames[1] = contentHeaderFrame;
CompositeAMQDataBlock compositeFrame = new CompositeAMQDataBlock(frames);
lock (_channel.Connection.FailoverMutex)
{
_channel.Connection.ProtocolWriter.Write(compositeFrame);
}
}
public AbstractQmsMessage CreateMessage(long messageNbr, bool redelivered,
ContentHeaderBody contentHeader,
IList bodies)
{
AbstractQmsMessage msg = CreateMessageWithBody(messageNbr, contentHeader, bodies);
msg.Redelivered = redelivered;
return(msg);
}
/// <summary>
/// Create a message. This looks up the MIME type from the content header and instantiates the appropriate
/// concrete message type.
/// </summary>
/// <param name="messageNbr">the AMQ message id</param>
/// <param name="redelivered">true if redelivered</param>
/// <param name="contentHeader">the content header that was received</param>
/// <param name="bodies">a list of ContentBody instances</param>
/// <returns>the message.</returns>
/// <exception cref="AMQException"/>
/// <exception cref="QpidException"/>
public AbstractQmsMessage CreateMessage(long messageNbr, bool redelivered,
ContentHeaderBody contentHeader,
IList bodies)
{
BasicContentHeaderProperties properties = (BasicContentHeaderProperties)contentHeader.Properties;
if (properties.ContentType == null)
{
properties.ContentType = "";
}
IMessageFactory mf = GetFactory(properties.ContentType);
return(mf.CreateMessage(messageNbr, redelivered, contentHeader, bodies));
}
public void MessageContentHeaderReceived(ushort channelId, ContentHeaderBody contentHeader)
{
UnprocessedMessage msg = (UnprocessedMessage)_channelId2UnprocessedMsgMap[channelId];
if (msg == null)
{
throw new AMQException("Error: received content header without having received a JMSDeliver frame first");
}
if (msg.ContentHeader != null)
{
throw new AMQException("Error: received duplicate content header or did not receive correct number of content body frames");
}
msg.ContentHeader = contentHeader;
if (contentHeader.BodySize == 0)
{
DeliverMessageToAMQSession(channelId, msg);
}
}
//protected override AbstractQmsMessage CreateMessageWithBody(long messageNbr,
// ContentHeaderBody contentHeader,
// IList bodies)
//{
// byte[] data;
// // we optimise the non-fragmented case to avoid copying
// if (bodies != null && bodies.Count == 1)
// {
// data = ((ContentBody)bodies[0]).Payload;
// }
// else
// {
// data = new byte[(long)contentHeader.BodySize];
// int currentPosition = 0;
// foreach (ContentBody cb in bodies)
// {
// Array.Copy(cb.Payload, 0, data, currentPosition, cb.Payload.Length);
// currentPosition += cb.Payload.Length;
// }
// }
// return new QpidBytesMessage(messageNbr, data, contentHeader);
//}
//public override AbstractQmsMessage CreateMessage()
//{
// return new QpidBytesMessage();
//}
protected override AbstractQmsMessage CreateMessage(long deliveryTag, ByteBuffer data, ContentHeaderBody contentHeader)
{
return(new QpidBytesMessage(deliveryTag, contentHeader, data));
}
protected abstract AbstractQmsMessage CreateMessage(long messageNbr, ByteBuffer data, ContentHeaderBody contentHeader);
internal QpidBytesMessage(long messageNbr, ContentHeaderBody contentHeader, ByteBuffer data)
// TODO: this casting is ugly. Need to review whole ContentHeaderBody idea
: base(messageNbr, (BasicContentHeaderProperties)contentHeader.Properties, data)
{
}
protected override AbstractQmsMessage CreateMessage(long deliveryTag, ByteBuffer data, ContentHeaderBody contentHeader)
{
return(new QpidTextMessage(deliveryTag, (BasicContentHeaderProperties)contentHeader.Properties, data));
}
