public void Encode(object obj, Stream stream)
{
var msg = obj as Datagram;
if (msg == null)
{
return;
}
int start = (int)stream.Position;
int headerStart = start + RemotingHeader.LengthFieldLen;
stream.Position = headerStart;
byte[] buffer = new byte[4];
EncodeHeader(msg.Header, buffer, stream);
int headerSize = (int)stream.Position - headerStart;
msg.WriteBody(stream);
int end = (int)stream.Position;
int total = end - start - RemotingHeader.TotalSizeLen;
stream.Position = start;
ByteBufHelper.WriteInt32(total, buffer, stream);
ByteBufHelper.WriteInt16((short)headerSize, buffer, stream);
stream.Position = end;
}
private void EncodeHeader(RemotingHeader header, byte[] buffer, Stream stream)
{
ByteBufHelper.WriteInt32(RemotingHeader.QmqMagicCode, buffer, stream);
ByteBufHelper.WriteInt16(header.Code, buffer, stream);
ByteBufHelper.WriteInt16(header.Version, buffer, stream);
ByteBufHelper.WriteInt32(header.Opaque, buffer, stream);
ByteBufHelper.WriteInt32(header.Flag, buffer, stream);
ByteBufHelper.WriteInt16(header.RequestCode, buffer, stream);
}
public void Write(Stream output)
{
var start = output.Position;
output.Position += 2;
short size = 4;
byte[] lenBuffer = new byte[2];
output.Write(SubjectLen, 0, 2);
output.Write(Subject, 0, Subject.Length);
ByteBufHelper.WriteString(_request.Subject, lenBuffer, output);
output.Write(ClientTypeCodeLen, 0, 2);
output.Write(ClientTypeCode, 0, ClientTypeCode.Length);
ByteBufHelper.WriteString(_request.ClientType.ToString(), lenBuffer, output);
output.Write(AppCodeLen, 0, 2);
output.Write(AppCode, 0, AppCode.Length);
ByteBufHelper.WriteInt16((short)_request.AppCode.Length, lenBuffer, output);
output.Write(_request.AppCode, 0, _request.AppCode.Length);
if (!string.IsNullOrEmpty(_request.ClientId))
{
output.Write(ClientIdLen, 0, 2);
output.Write(ClientId, 0, ClientId.Length);
ByteBufHelper.WriteString(_request.ClientId, lenBuffer, output);
size += 1;
}
if (!string.IsNullOrEmpty(_request.ConsumerGroup))
{
output.Write(ConsumerGroupLen, 0, 2);
output.Write(ConsumerGroup, 0, ConsumerGroup.Length);
ByteBufHelper.WriteString(_request.ConsumerGroup, lenBuffer, output);
size += 1;
}
output.Write(RequestTypeLen, 0, 2);
output.Write(RequestType, 0, RequestType.Length);
ByteBufHelper.WriteString(_request.RequestType.ToString(), lenBuffer, output);
long end = output.Position;
output.Position = start;
ByteBufHelper.WriteInt16(size, lenBuffer, output);
output.Position = end;
}
private void WriteTags(PullMessageRequest request, byte[] buffer, Stream output)
{
ByteBufHelper.WriteInt16(_request.TagType, buffer, output);
var tags = request.Tags;
if (tags == null || tags.Length == 0)
{
ByteBufHelper.WriteByte((byte)0, output);
return;
}
ByteBufHelper.WriteByte((byte)tags.Length, output);
foreach (var tag in _request.Tags)
{
ByteBufHelper.WriteString(tag, buffer, output);
}
}