private static Message DecodeSessiongramMessage(MsmqInputSessionChannelListener listener, MsmqInputSessionChannel channel, MessageEncoder encoder, MsmqMessageProperty messageProperty, byte[] buffer, int offset, int size)
{
Message message2;
if (size > listener.MaxReceivedMessageSize)
{
channel.FaultChannel();
listener.MsmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException(listener.MaxReceivedMessageSize));
}
if ((size + offset) > buffer.Length)
{
listener.MsmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(System.ServiceModel.SR.GetString("MsmqBadFrame")));
}
byte[] dst = listener.BufferManager.TakeBuffer(size);
Buffer.BlockCopy(buffer, offset, dst, 0, size);
try
{
Message message = null;
using (MsmqDiagnostics.BoundDecodeOperation())
{
message = encoder.ReadMessage(new ArraySegment<byte>(dst, 0, size), listener.BufferManager);
MsmqDiagnostics.TransferFromTransport(message);
}
message2 = message;
}
catch (XmlException exception)
{
channel.FaultChannel();
listener.MsmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(System.ServiceModel.SR.GetString("MsmqBadXml"), exception));
}
return message2;
}
public MsmqInputSessionChannel(MsmqInputSessionChannelListener listener, Transaction associatedTx, ReceiveContext sessiongramReceiveContext)
: base(listener, new EndpointAddress(listener.Uri))
{
this.session = new InputSession();
this.incompleteMessageCount = 0;
if (sessiongramReceiveContext == null)
{
this.receiveContextEnabled = false;
// only enlist if we are running in a non-receive context mode
this.associatedTx = associatedTx;
this.associatedTx.EnlistVolatile(new TransactionEnlistment(this, this.associatedTx), EnlistmentOptions.None);
}
else
{
//ignore the ambient transaction if any
this.receiveContextEnabled = true;
this.sessiongramReceiveContext = sessiongramReceiveContext;
this.sessiongramDoomed = false;
}
}
static Message DecodeSessiongramMessage(
MsmqInputSessionChannelListener listener,
MsmqInputSessionChannel channel,
MessageEncoder encoder,
MsmqMessageProperty messageProperty,
byte[] buffer,
int offset,
int size)
{
if (size > listener.MaxReceivedMessageSize)
{
channel.FaultChannel();
listener.MsmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException(listener.MaxReceivedMessageSize));
}
// Fix for CSDMain bug 17842
// size is derived from user data, check for corruption
if ((size + offset) > buffer.Length)
{
listener.MsmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(SR.GetString(SR.MsmqBadFrame)));
}
byte[] envelopeBuffer = listener.BufferManager.TakeBuffer(size);
Buffer.BlockCopy(buffer, offset, envelopeBuffer, 0, size);
try
{
Message message = null;
using (MsmqDiagnostics.BoundDecodeOperation())
{
message = encoder.ReadMessage(new ArraySegment<byte>(envelopeBuffer, 0, size), listener.BufferManager);
MsmqDiagnostics.TransferFromTransport(message);
}
return message;
}
catch (XmlException e)
{
channel.FaultChannel();
listener.MsmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(SR.GetString(SR.MsmqBadXml), e));
}
}
internal static IInputSessionChannel DecodeTransportSessiongram(MsmqInputSessionChannelListener listener, MsmqInputMessage msmqMessage, MsmqMessageProperty messageProperty, MsmqReceiveContextLockManager receiveContextManager)
{
using (MsmqDiagnostics.BoundReceiveBytesOperation())
{
int num4;
long num1 = msmqMessage.LookupId.Value;
int size = msmqMessage.BodyLength.Value;
int offset = 0;
byte[] incoming = msmqMessage.Body.Buffer;
MsmqReceiveHelper msmqReceiveHelper = listener.MsmqReceiveHelper;
ServerModeDecoder modeDecoder = new ServerModeDecoder();
try
{
ReadServerMode(listener, modeDecoder, incoming, messageProperty.LookupId, ref offset, ref size);
}
catch (ProtocolException exception)
{
msmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, exception);
}
if (modeDecoder.Mode != FramingMode.Simplex)
{
msmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(System.ServiceModel.SR.GetString("MsmqBadFrame")));
}
MsmqInputSessionChannel channel = null;
ServerSessionDecoder decoder2 = new ServerSessionDecoder(0L, 0x800, 0x100);
try
{
do
{
if (size <= 0)
{
throw listener.NormalizePoisonException(messageProperty.LookupId, decoder2.CreatePrematureEOFException());
}
int num3 = decoder2.Decode(incoming, offset, size);
offset += num3;
size -= num3;
}
while (ServerSessionDecoder.State.EnvelopeStart != decoder2.CurrentState);
}
catch (ProtocolException exception2)
{
msmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, exception2);
}
MessageEncoder encoder = listener.MessageEncoderFactory.CreateSessionEncoder();
if (!encoder.IsContentTypeSupported(decoder2.ContentType))
{
msmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(System.ServiceModel.SR.GetString("MsmqBadContentType")));
}
ReceiveContext sessiongramReceiveContext = null;
if (msmqReceiveHelper.MsmqReceiveParameters.ReceiveContextSettings.Enabled)
{
sessiongramReceiveContext = receiveContextManager.CreateMsmqReceiveContext(msmqMessage.LookupId.Value);
}
channel = new MsmqInputSessionChannel(listener, Transaction.Current, sessiongramReceiveContext);
Message item = DecodeSessiongramMessage(listener, channel, encoder, messageProperty, incoming, offset, decoder2.EnvelopeSize);
SecurityMessageProperty property = null;
try
{
property = listener.ValidateSecurity(msmqMessage);
}
catch (Exception exception3)
{
if (Fx.IsFatal(exception3))
{
throw;
}
channel.FaultChannel();
msmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, exception3);
}
if (property != null)
{
item.Properties.Security = property;
}
item.Properties["MsmqMessageProperty"] = messageProperty;
channel.EnqueueAndDispatch(item);
listener.RaiseMessageReceived();
Label_01F6:
try
{
if (size <= 0)
{
channel.FaultChannel();
msmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, decoder2.CreatePrematureEOFException());
}
num4 = decoder2.Decode(incoming, offset, size);
}
catch (ProtocolException exception4)
{
channel.FaultChannel();
msmqReceiveHelper.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, exception4);
}
offset += num4;
size -= num4;
if (ServerSessionDecoder.State.End != decoder2.CurrentState)
{
if (ServerSessionDecoder.State.EnvelopeStart == decoder2.CurrentState)
{
item = DecodeSessiongramMessage(listener, channel, encoder, messageProperty, incoming, offset, decoder2.EnvelopeSize);
if (property != null)
{
item.Properties.Security = (SecurityMessageProperty) property.CreateCopy();
}
item.Properties["MsmqMessageProperty"] = messageProperty;
channel.EnqueueAndDispatch(item);
listener.RaiseMessageReceived();
}
goto Label_01F6;
}
channel.Shutdown();
MsmqDiagnostics.SessiongramReceived(channel.Session.Id, msmqMessage.MessageId, channel.InternalPendingItems);
return channel;
}
}
internal static IInputSessionChannel DecodeTransportSessiongram(
MsmqInputSessionChannelListener listener,
MsmqInputMessage msmqMessage,
MsmqMessageProperty messageProperty,
MsmqReceiveContextLockManager receiveContextManager)
{
using (MsmqDiagnostics.BoundReceiveBytesOperation())
{
long lookupId = msmqMessage.LookupId.Value;
int size = msmqMessage.BodyLength.Value;
int offset = 0;
byte[] incoming = msmqMessage.Body.Buffer;
MsmqReceiveHelper receiver = listener.MsmqReceiveHelper;
ServerModeDecoder modeDecoder = new ServerModeDecoder();
try
{
ReadServerMode(listener, modeDecoder, incoming, messageProperty.LookupId, ref offset, ref size);
}
catch (ProtocolException ex)
{
receiver.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, ex);
}
if (modeDecoder.Mode != FramingMode.Simplex)
{
receiver.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(SR.GetString(SR.MsmqBadFrame)));
}
MsmqInputSessionChannel channel = null;
ServerSessionDecoder sessionDecoder = new ServerSessionDecoder(0, defaultMaxViaSize, defaultMaxContentTypeSize);
try
{
for (;;)
{
if (size <= 0)
{
throw listener.NormalizePoisonException(messageProperty.LookupId, sessionDecoder.CreatePrematureEOFException());
}
int decoded = sessionDecoder.Decode(incoming, offset, size);
offset += decoded;
size -= decoded;
if (ServerSessionDecoder.State.EnvelopeStart == sessionDecoder.CurrentState)
break;
}
}
catch (ProtocolException ex)
{
receiver.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, ex);
}
MessageEncoder encoder = listener.MessageEncoderFactory.CreateSessionEncoder();
if (!encoder.IsContentTypeSupported(sessionDecoder.ContentType))
{
receiver.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, new ProtocolException(SR.GetString(SR.MsmqBadContentType)));
}
ReceiveContext receiveContext = null;
// tack on the receive context property depending on the receive mode
if (receiver.MsmqReceiveParameters.ReceiveContextSettings.Enabled)
{
receiveContext = receiveContextManager.CreateMsmqReceiveContext(msmqMessage.LookupId.Value);
}
channel = new MsmqInputSessionChannel(listener, Transaction.Current, receiveContext);
Message message = DecodeSessiongramMessage(listener, channel, encoder, messageProperty, incoming, offset, sessionDecoder.EnvelopeSize);
SecurityMessageProperty securityProperty = null;
try
{
securityProperty = listener.ValidateSecurity(msmqMessage);
}
catch (Exception ex)
{
if (Fx.IsFatal(ex))
throw;
channel.FaultChannel();
receiver.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, ex);
}
if (null != securityProperty)
message.Properties.Security = securityProperty;
message.Properties[MsmqMessageProperty.Name] = messageProperty;
channel.EnqueueAndDispatch(message);
listener.RaiseMessageReceived();
for (;;)
{
int decoded;
try
{
if (size <= 0)
{
channel.FaultChannel();
receiver.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, sessionDecoder.CreatePrematureEOFException());
}
decoded = sessionDecoder.Decode(incoming, offset, size);
}
catch (ProtocolException ex)
{
channel.FaultChannel();
receiver.FinalDisposition(messageProperty);
throw listener.NormalizePoisonException(messageProperty.LookupId, ex);
}
offset += decoded;
size -= decoded;
if (ServerSessionDecoder.State.End == sessionDecoder.CurrentState)
break;
if (ServerSessionDecoder.State.EnvelopeStart == sessionDecoder.CurrentState)
{
message = DecodeSessiongramMessage(listener, channel, encoder, messageProperty, incoming, offset, sessionDecoder.EnvelopeSize);
if (null != securityProperty)
{
message.Properties.Security = (SecurityMessageProperty)securityProperty.CreateCopy();
}
message.Properties[MsmqMessageProperty.Name] = messageProperty;
channel.EnqueueAndDispatch(message);
listener.RaiseMessageReceived();
}
}
channel.Shutdown();
MsmqDiagnostics.SessiongramReceived(channel.Session.Id, msmqMessage.MessageId, channel.InternalPendingItems);
return channel;
}
}
