public void Alloc(int requiredSize)
{
if (requiredSize > this.remainingSize)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException(this.maxSize));
}
this.remainingSize -= requiredSize;
}
public static Exception CreateMaxReceivedMessageSizeExceededException(long maxMessageSize)
{
return(MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException(maxMessageSize));
}
private Message DecodeMessage(FramingConnection connection, ref ReadOnlySequence <byte> buffer)
{
// TODO: plumb through from binding
int maxBufferSize = TransportDefaults.MaxBufferSize;
var decoder = connection.ServerSessionDecoder;
while (!connection.EOF && buffer.Length > 0)
{
int bytesRead = decoder.Decode(buffer);
if (bytesRead > 0)
{
if (!connection.EnvelopeBuffer.IsEmpty)
{
var remainingEnvelopeBuffer = connection.EnvelopeBuffer.Slice(connection.EnvelopeOffset, connection.EnvelopeSize - connection.EnvelopeOffset);
CopyBuffer(buffer, remainingEnvelopeBuffer, bytesRead);
connection.EnvelopeOffset += bytesRead;
}
buffer = buffer.Slice(bytesRead);
}
switch (decoder.CurrentState)
{
case ServerSessionDecoder.State.EnvelopeStart:
int envelopeSize = decoder.EnvelopeSize;
if (envelopeSize > maxBufferSize)
{
// TODO: Sending faults
//base.SendFault(FramingEncodingString.MaxMessageSizeExceededFault, timeout);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException(maxBufferSize));
}
connection.EnvelopeBuffer = connection.BufferManager.TakeBuffer(envelopeSize);
connection.EnvelopeSize = envelopeSize;
connection.EnvelopeOffset = 0;
break;
case ServerSessionDecoder.State.EnvelopeEnd:
if (!connection.EnvelopeBuffer.IsEmpty)
{
Message message = null;
try
{
message = connection.MessageEncoder.ReadMessage(
new ArraySegment <byte>(connection.EnvelopeBuffer.ToArray(), 0, connection.EnvelopeSize),
connection.BufferManager,
connection.ServerSessionDecoder.ContentType);
}
catch (XmlException xmlException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ProtocolException(SR.MessageXmlProtocolError, xmlException));
}
connection.EnvelopeBuffer = null;
return(message);
}
break;
case ServerSessionDecoder.State.End:
connection.EOF = true;
break;
}
}
return(null);
}