protected override Message DecodeMessage(byte[] buffer, ref int offset, ref int size, ref bool isAtEof, TimeSpan timeout)
{
Message message;
ServiceModelActivity serviceModelActivity;
while (!isAtEof && size > 0)
{
int num = this.decoder.Decode(buffer, offset, size);
if (num > 0)
{
if (base.EnvelopeBuffer != null)
{
if (!object.ReferenceEquals(buffer, base.EnvelopeBuffer))
{
Buffer.BlockCopy(buffer, offset, base.EnvelopeBuffer, base.EnvelopeOffset, num);
}
Microsoft.ServiceBus.Channels.ServerSessionPreambleConnectionReader.ServerFramingDuplexSessionChannel.ServerSessionConnectionReader envelopeOffset = this;
envelopeOffset.EnvelopeOffset = envelopeOffset.EnvelopeOffset + num;
}
offset = offset + num;
size = size - num;
}
switch (this.decoder.CurrentState)
{
case Microsoft.ServiceBus.Channels.ServerSessionDecoder.State.EnvelopeStart:
{
int envelopeSize = this.decoder.EnvelopeSize;
if (envelopeSize > this.maxBufferSize)
{
base.SendFault("http://schemas.microsoft.com/ws/2006/05/framing/faults/MaxMessageSizeExceededFault", timeout);
throw Microsoft.ServiceBus.Diagnostics.DiagnosticUtility.ExceptionUtility.ThrowHelperError(Microsoft.ServiceBus.Channels.MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException((long)this.maxBufferSize));
}
base.EnvelopeBuffer = this.bufferManager.TakeBuffer(envelopeSize);
base.EnvelopeOffset = 0;
base.EnvelopeSize = envelopeSize;
continue;
}
case Microsoft.ServiceBus.Channels.ServerSessionDecoder.State.EnvelopeEnd:
{
if (base.EnvelopeBuffer == null)
{
continue;
}
if (Microsoft.ServiceBus.Diagnostics.DiagnosticUtility.ShouldUseActivity)
{
serviceModelActivity = ServiceModelActivity.CreateBoundedActivity(true);
}
else
{
serviceModelActivity = null;
}
using (serviceModelActivity)
{
Message message1 = null;
try
{
message1 = this.messageEncoder.ReadMessage(new ArraySegment <byte>(base.EnvelopeBuffer, 0, base.EnvelopeSize), this.bufferManager, this.contentType);
}
catch (XmlException xmlException1)
{
XmlException xmlException = xmlException1;
throw Microsoft.ServiceBus.Diagnostics.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(Microsoft.ServiceBus.SR.GetString(Resources.MessageXmlProtocolError, new object[0]), xmlException));
}
base.EnvelopeBuffer = null;
message = message1;
}
return(message);
}
case Microsoft.ServiceBus.Channels.ServerSessionDecoder.State.End:
{
isAtEof = true;
continue;
}
default:
{
continue;
}
}
}
return(null);
}
private void SetupSessionReader()
{
this.sessionReader = new Microsoft.ServiceBus.Channels.ServerSessionPreambleConnectionReader.ServerFramingDuplexSessionChannel.ServerSessionConnectionReader(this);
base.SetMessageSource(this.sessionReader);
}