public static void DecodeFramingFault(ClientFramingDecoder decoder, IConnection connection, Uri via, string contentType, ref TimeoutHelper timeoutHelper)
{
ValidateReadingFaultString(decoder);
int offset = 0;
byte[] buffer = DiagnosticUtility.Utility.AllocateByteArray(0x100);
int size = connection.Read(buffer, offset, buffer.Length, timeoutHelper.RemainingTime());
while (size > 0)
{
int num3 = decoder.Decode(buffer, offset, size);
offset += num3;
size -= num3;
if (decoder.CurrentState == ClientFramingDecoderState.Fault)
{
ConnectionUtilities.CloseNoThrow(connection, timeoutHelper.RemainingTime());
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(FaultStringDecoder.GetFaultException(decoder.Fault, via.ToString(), contentType));
}
if (decoder.CurrentState != ClientFramingDecoderState.ReadingFaultString)
{
throw Fx.AssertAndThrow("invalid framing client state machine");
}
if (size == 0)
{
offset = 0;
size = connection.Read(buffer, offset, buffer.Length, timeoutHelper.RemainingTime());
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(decoder.CreatePrematureEOFException());
}
private void CompleteReadFaultData()
{
int offset = 0;
int size = this.connection.EndRead();
while (size > 0)
{
int num3 = this.decoder.Decode(this.connection.AsyncReadBuffer, offset, size);
offset += num3;
size -= num3;
if (this.decoder.CurrentState == ClientFramingDecoderState.Fault)
{
ConnectionUtilities.CloseNoThrow(this.connection, this.timeoutHelper.RemainingTime());
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(FaultStringDecoder.GetFaultException(this.decoder.Fault, this.via.ToString(), this.contentType));
}
if (this.decoder.CurrentState != ClientFramingDecoderState.ReadingFaultString)
{
throw Fx.AssertAndThrow("invalid framing client state machine");
}
if (size == 0)
{
offset = 0;
if (this.connection.BeginRead(0, Math.Min(0x100, this.connection.AsyncReadBufferSize), this.timeoutHelper.RemainingTime(), onReadFaultData, this) == AsyncReadResult.Queued)
{
return;
}
size = this.connection.EndRead();
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(this.decoder.CreatePrematureEOFException());
}
public static async Task DecodeFramingFaultAsync(ClientFramingDecoder decoder, IConnection connection,
Uri via, string contentType, TimeSpan timeout)
{
var timeoutHelper = new TimeoutHelper(timeout);
ValidateReadingFaultString(decoder);
var tcs = new TaskCompletionSource <bool>();
var result = connection.BeginRead(0, Math.Min(FaultStringDecoder.FaultSizeQuota, connection.AsyncReadBufferSize),
timeoutHelper.RemainingTime(), FramingDuplexSessionChannel.OnIoComplete, tcs);
if (result == AsyncCompletionResult.Completed)
{
tcs.TrySetResult(true);
}
await tcs.Task;
int offset = 0;
int size = connection.EndRead();
while (size > 0)
{
int bytesDecoded = decoder.Decode(connection.AsyncReadBuffer, offset, size);
offset += bytesDecoded;
size -= bytesDecoded;
if (decoder.CurrentState == ClientFramingDecoderState.Fault)
{
ConnectionUtilities.CloseNoThrow(connection, timeoutHelper.RemainingTime());
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
FaultStringDecoder.GetFaultException(decoder.Fault, via.ToString(), contentType));
}
else
{
if (decoder.CurrentState != ClientFramingDecoderState.ReadingFaultString)
{
throw new Exception("invalid framing client state machine");
}
if (size == 0)
{
offset = 0;
tcs = new TaskCompletionSource <bool>();
result = connection.BeginRead(0, Math.Min(FaultStringDecoder.FaultSizeQuota, connection.AsyncReadBufferSize),
timeoutHelper.RemainingTime(), FramingDuplexSessionChannel.OnIoComplete, tcs);
if (result == AsyncCompletionResult.Completed)
{
tcs.TrySetResult(true);
}
await tcs.Task;
size = connection.EndRead();
}
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(decoder.CreatePrematureEOFException());
}
public static async Task DecodeFramingFaultAsync(ClientFramingDecoder decoder, IConnection connection,
Uri via, string contentType, TimeSpan timeout)
{
var timeoutHelper = new TimeoutHelper(timeout);
ValidateReadingFaultString(decoder);
int size = await connection.ReadAsync(0,
Math.Min(FaultStringDecoder.FaultSizeQuota, connection.AsyncReadBufferSize),
timeoutHelper.RemainingTime());
int offset = 0;
while (size > 0)
{
int bytesDecoded = decoder.Decode(connection.AsyncReadBuffer, offset, size);
offset += bytesDecoded;
size -= bytesDecoded;
if (decoder.CurrentState == ClientFramingDecoderState.Fault)
{
ConnectionUtilities.CloseNoThrow(connection, timeoutHelper.RemainingTime());
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
FaultStringDecoder.GetFaultException(decoder.Fault, via.ToString(), contentType));
}
else
{
if (decoder.CurrentState != ClientFramingDecoderState.ReadingFaultString)
{
throw new Exception("invalid framing client state machine");
}
if (size == 0)
{
offset = 0;
size = await connection.ReadAsync(0,
Math.Min(FaultStringDecoder.FaultSizeQuota, connection.AsyncReadBufferSize),
timeoutHelper.RemainingTime());
}
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(decoder.CreatePrematureEOFException());
}
public override int Decode(byte[] bytes, int offset, int size)
{
DecoderHelper.ValidateSize(size);
try
{
int bytesConsumed;
FramingRecordType recordType;
switch (CurrentState)
{
case ClientFramingDecoderState.ReadingUpgradeRecord:
recordType = (FramingRecordType)bytes[offset];
if (recordType == FramingRecordType.UpgradeResponse)
{
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.UpgradeResponse;
}
else
{
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingAckRecord;
}
break;
case ClientFramingDecoderState.UpgradeResponse:
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingUpgradeRecord;
break;
case ClientFramingDecoderState.ReadingAckRecord:
recordType = (FramingRecordType)bytes[offset];
if (recordType == FramingRecordType.Fault)
{
bytesConsumed = 1;
_faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
break;
}
ValidatePreambleAck(recordType);
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.Start;
break;
case ClientFramingDecoderState.Start:
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
break;
case ClientFramingDecoderState.ReadingEnvelopeRecord:
recordType = (FramingRecordType)bytes[offset];
if (recordType == FramingRecordType.End)
{
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.End;
break;
}
else if (recordType == FramingRecordType.Fault)
{
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingFault;
break;
}
ValidateRecordType(FramingRecordType.UnsizedEnvelope, recordType);
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.EnvelopeStart;
break;
case ClientFramingDecoderState.EnvelopeStart:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
CreateException(new InvalidDataException(SRServiceModel.FramingAtEnd)));
case ClientFramingDecoderState.ReadingFault:
recordType = (FramingRecordType)bytes[offset];
ValidateRecordType(FramingRecordType.Fault, recordType);
bytesConsumed = 1;
_faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
break;
case ClientFramingDecoderState.ReadingFaultString:
bytesConsumed = _faultDecoder.Decode(bytes, offset, size);
if (_faultDecoder.IsValueDecoded)
{
base.CurrentState = ClientFramingDecoderState.Fault;
}
break;
case ClientFramingDecoderState.Fault:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
CreateException(new InvalidDataException(SRServiceModel.FramingAtEnd)));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
CreateException(new InvalidDataException(SRServiceModel.InvalidDecoderStateMachine)));
}
StreamPosition += bytesConsumed;
return(bytesConsumed);
}
catch (InvalidDataException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateException(e));
}
}
protected override Message DecodeMessage(byte[] buffer, ref int offset, ref int size, ref bool isAtEOF, TimeSpan timeout)
{
while (size > 0)
{
int envelopeSize;
int count = this.decoder.Decode(buffer, offset, size);
if (count > 0)
{
if (base.EnvelopeBuffer != null)
{
if (!object.ReferenceEquals(buffer, base.EnvelopeBuffer))
{
Buffer.BlockCopy(buffer, offset, base.EnvelopeBuffer, base.EnvelopeOffset, count);
}
base.EnvelopeOffset += count;
}
offset += count;
size -= count;
}
switch (this.decoder.CurrentState)
{
case ClientFramingDecoderState.EnvelopeStart:
envelopeSize = this.decoder.EnvelopeSize;
if (envelopeSize > this.maxBufferSize)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(MaxMessageSizeStream.CreateMaxReceivedMessageSizeExceededException((long)this.maxBufferSize));
}
break;
case ClientFramingDecoderState.ReadingEnvelopeBytes:
case ClientFramingDecoderState.ReadingEndRecord:
{
continue;
}
case ClientFramingDecoderState.EnvelopeEnd:
{
if (base.EnvelopeBuffer == null)
{
continue;
}
Message message = null;
try
{
using (CreateProcessActionActivity())
{
message = this.messageEncoder.ReadMessage(new ArraySegment <byte>(base.EnvelopeBuffer, 0, base.EnvelopeSize), this.bufferManager);
if (DiagnosticUtility.ShouldUseActivity)
{
TraceUtility.TransferFromTransport(message);
}
}
}
catch (XmlException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("MessageXmlProtocolError"), exception));
}
base.EnvelopeBuffer = null;
return(message);
}
case ClientFramingDecoderState.End:
isAtEOF = true;
return(null);
case ClientFramingDecoderState.Fault:
this.channel.Session.CloseOutputSession(this.channel.InternalCloseTimeout);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(FaultStringDecoder.GetFaultException(this.decoder.Fault, this.channel.RemoteAddress.Uri.ToString(), this.messageEncoder.ContentType));
default:
{
continue;
}
}
base.EnvelopeBuffer = this.bufferManager.TakeBuffer(envelopeSize);
base.EnvelopeOffset = 0;
base.EnvelopeSize = envelopeSize;
}
return(null);
}
protected override Message DecodeMessage(byte[] buffer, ref int offset, ref int size, ref bool isAtEOF, TimeSpan timeout)
{
while (size > 0)
{
int bytesRead = _decoder.Decode(buffer, offset, size);
if (bytesRead > 0)
{
if (EnvelopeBuffer != null)
{
if (!object.ReferenceEquals(buffer, EnvelopeBuffer))
{
System.Buffer.BlockCopy(buffer, offset, EnvelopeBuffer, EnvelopeOffset, bytesRead);
}
EnvelopeOffset += bytesRead;
}
offset += bytesRead;
size -= bytesRead;
}
switch (_decoder.CurrentState)
{
case ClientFramingDecoderState.Fault:
_channel.Session.CloseOutputSession(_channel.GetInternalCloseTimeout());
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(FaultStringDecoder.GetFaultException(_decoder.Fault, _channel.RemoteAddress.Uri.ToString(), _messageEncoder.ContentType));
case ClientFramingDecoderState.End:
isAtEOF = true;
return(null); // we're done
case ClientFramingDecoderState.EnvelopeStart:
int envelopeSize = _decoder.EnvelopeSize;
if (envelopeSize > _maxBufferSize)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
ExceptionHelper.CreateMaxReceivedMessageSizeExceededException(_maxBufferSize));
}
EnvelopeBuffer = _bufferManager.TakeBuffer(envelopeSize);
EnvelopeOffset = 0;
EnvelopeSize = envelopeSize;
break;
case ClientFramingDecoderState.EnvelopeEnd:
if (EnvelopeBuffer != null)
{
Message message = null;
try
{
IDisposable activity = ClientDuplexConnectionReader.CreateProcessActionActivity();
using (activity)
{
message = _messageEncoder.ReadMessage(new ArraySegment <byte>(EnvelopeBuffer, 0, EnvelopeSize), _bufferManager);
}
}
catch (XmlException xmlException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ProtocolException(SR.MessageXmlProtocolError, xmlException));
}
EnvelopeBuffer = null;
return(message);
}
break;
}
}
return(null);
}
public override int Decode(byte[] bytes, int offset, int size)
{
DecoderHelper.ValidateSize(size);
try
{
int bytesConsumed;
FramingRecordType recordType;
switch (CurrentState)
{
case ClientFramingDecoderState.ReadingUpgradeRecord:
recordType = (FramingRecordType)bytes[offset];
if (recordType == FramingRecordType.UpgradeResponse)
{
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.UpgradeResponse;
}
else
{
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingAckRecord;
}
break;
case ClientFramingDecoderState.UpgradeResponse:
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingUpgradeRecord;
break;
case ClientFramingDecoderState.ReadingAckRecord:
recordType = (FramingRecordType)bytes[offset];
if (recordType == FramingRecordType.Fault)
{
bytesConsumed = 1;
faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
break;
}
ValidatePreambleAck(recordType);
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.Start;
break;
case ClientFramingDecoderState.Start:
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
break;
case ClientFramingDecoderState.ReadingEnvelopeRecord:
recordType = (FramingRecordType)bytes[offset];
if (recordType == FramingRecordType.End)
{
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.End;
break;
}
else if (recordType == FramingRecordType.Fault)
{
bytesConsumed = 0;
base.CurrentState = ClientFramingDecoderState.ReadingFault;
break;
}
ValidateRecordType(FramingRecordType.UnsizedEnvelope, recordType);
bytesConsumed = 1;
base.CurrentState = ClientFramingDecoderState.EnvelopeStart;
break;
case ClientFramingDecoderState.EnvelopeStart:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
CreateException(new InvalidDataException(SR.GetString(SR.FramingAtEnd))));
case ClientFramingDecoderState.ReadingFault:
recordType = (FramingRecordType)bytes[offset];
ValidateRecordType(FramingRecordType.Fault, recordType);
bytesConsumed = 1;
faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
break;
case ClientFramingDecoderState.ReadingFaultString:
bytesConsumed = faultDecoder.Decode(bytes, offset, size);
if (faultDecoder.IsValueDecoded)
{
base.CurrentState = ClientFramingDecoderState.Fault;
}
break;
case ClientFramingDecoderState.Fault:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
CreateException(new InvalidDataException(SR.GetString(SR.FramingAtEnd))));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
CreateException(new InvalidDataException(SR.GetString(SR.InvalidDecoderStateMachine))));
}
StreamPosition += bytesConsumed;
return bytesConsumed;
}
catch (InvalidDataException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateException(e));
}
}
public override int Decode(byte[] bytes, int offset, int size)
{
int num2;
DecoderHelper.ValidateSize(size);
try
{
int envelopeBytesNeeded;
FramingRecordType type;
switch (base.CurrentState)
{
case ClientFramingDecoderState.ReadingUpgradeRecord:
type = (FramingRecordType) bytes[offset];
if (type != FramingRecordType.UpgradeResponse)
{
break;
}
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.UpgradeResponse;
goto Label_0248;
case ClientFramingDecoderState.UpgradeResponse:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingUpgradeRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingAckRecord:
type = (FramingRecordType) bytes[offset];
if (type != FramingRecordType.Fault)
{
goto Label_00AA;
}
envelopeBytesNeeded = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
goto Label_0248;
case ClientFramingDecoderState.Start:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingFaultString:
envelopeBytesNeeded = this.faultDecoder.Decode(bytes, offset, size);
if (this.faultDecoder.IsValueDecoded)
{
base.CurrentState = ClientFramingDecoderState.Fault;
}
goto Label_0248;
case ClientFramingDecoderState.Fault:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEndRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingEnvelopeRecord:
type = (FramingRecordType) bytes[offset];
if (type != FramingRecordType.End)
{
goto Label_00E4;
}
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.End;
goto Label_0248;
case ClientFramingDecoderState.ReadingEnvelopeSize:
envelopeBytesNeeded = this.sizeDecoder.Decode(bytes, offset, size);
if (this.sizeDecoder.IsValueDecoded)
{
base.CurrentState = ClientFramingDecoderState.EnvelopeStart;
this.envelopeSize = this.sizeDecoder.Value;
this.envelopeBytesNeeded = this.envelopeSize;
}
goto Label_0248;
case ClientFramingDecoderState.EnvelopeStart:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeBytes;
goto Label_0248;
case ClientFramingDecoderState.ReadingEnvelopeBytes:
envelopeBytesNeeded = size;
if (envelopeBytesNeeded > this.envelopeBytesNeeded)
{
envelopeBytesNeeded = this.envelopeBytesNeeded;
}
this.envelopeBytesNeeded -= envelopeBytesNeeded;
if (this.envelopeBytesNeeded == 0)
{
base.CurrentState = ClientFramingDecoderState.EnvelopeEnd;
}
goto Label_0248;
case ClientFramingDecoderState.EnvelopeEnd:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingEndRecord:
base.ValidateRecordType(FramingRecordType.End, (FramingRecordType) bytes[offset]);
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.End;
goto Label_0248;
case ClientFramingDecoderState.End:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("FramingAtEnd"))));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("InvalidDecoderStateMachine"))));
}
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingAckRecord;
goto Label_0248;
Label_00AA:
base.ValidatePreambleAck(type);
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.Start;
goto Label_0248;
Label_00E4:
if (type == FramingRecordType.Fault)
{
envelopeBytesNeeded = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
}
else
{
base.ValidateRecordType(FramingRecordType.SizedEnvelope, type);
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeSize;
this.sizeDecoder.Reset();
}
Label_0248:
base.StreamPosition += envelopeBytesNeeded;
num2 = envelopeBytesNeeded;
}
catch (InvalidDataException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(exception));
}
return num2;
}
public override int Decode(byte[] bytes, int offset, int size)
{
int num2;
DecoderHelper.ValidateSize(size);
try
{
int num;
FramingRecordType type;
switch (base.CurrentState)
{
case ClientFramingDecoderState.ReadingUpgradeRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.UpgradeResponse)
{
break;
}
num = 1;
base.CurrentState = ClientFramingDecoderState.UpgradeResponse;
goto Label_01A4;
case ClientFramingDecoderState.UpgradeResponse:
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingUpgradeRecord;
goto Label_01A4;
case ClientFramingDecoderState.ReadingAckRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.Fault)
{
goto Label_009A;
}
num = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
goto Label_01A4;
case ClientFramingDecoderState.Start:
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
goto Label_01A4;
case ClientFramingDecoderState.ReadingFault:
type = (FramingRecordType)bytes[offset];
base.ValidateRecordType(FramingRecordType.Fault, type);
num = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
goto Label_01A4;
case ClientFramingDecoderState.ReadingFaultString:
num = this.faultDecoder.Decode(bytes, offset, size);
if (this.faultDecoder.IsValueDecoded)
{
base.CurrentState = ClientFramingDecoderState.Fault;
}
goto Label_01A4;
case ClientFramingDecoderState.Fault:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("FramingAtEnd"))));
case ClientFramingDecoderState.ReadingEnvelopeRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.End)
{
goto Label_00D4;
}
num = 1;
base.CurrentState = ClientFramingDecoderState.End;
goto Label_01A4;
case ClientFramingDecoderState.EnvelopeStart:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("FramingAtEnd"))));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("InvalidDecoderStateMachine"))));
}
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingAckRecord;
goto Label_01A4;
Label_009A:
base.ValidatePreambleAck(type);
num = 1;
base.CurrentState = ClientFramingDecoderState.Start;
goto Label_01A4;
Label_00D4:
if (type == FramingRecordType.Fault)
{
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingFault;
}
else
{
base.ValidateRecordType(FramingRecordType.UnsizedEnvelope, type);
num = 1;
base.CurrentState = ClientFramingDecoderState.EnvelopeStart;
}
Label_01A4:
base.StreamPosition += num;
num2 = num;
}
catch (InvalidDataException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(exception));
}
return(num2);
}
public override int Decode(byte[] bytes, int offset, int size)
{
int num2;
DecoderHelper.ValidateSize(size);
try
{
int envelopeBytesNeeded;
FramingRecordType type;
switch (base.CurrentState)
{
case ClientFramingDecoderState.ReadingUpgradeRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.UpgradeResponse)
{
break;
}
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.UpgradeResponse;
goto Label_0248;
case ClientFramingDecoderState.UpgradeResponse:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingUpgradeRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingAckRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.Fault)
{
goto Label_00AA;
}
envelopeBytesNeeded = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
goto Label_0248;
case ClientFramingDecoderState.Start:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingFaultString:
envelopeBytesNeeded = this.faultDecoder.Decode(bytes, offset, size);
if (this.faultDecoder.IsValueDecoded)
{
base.CurrentState = ClientFramingDecoderState.Fault;
}
goto Label_0248;
case ClientFramingDecoderState.Fault:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEndRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingEnvelopeRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.End)
{
goto Label_00E4;
}
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.End;
goto Label_0248;
case ClientFramingDecoderState.ReadingEnvelopeSize:
envelopeBytesNeeded = this.sizeDecoder.Decode(bytes, offset, size);
if (this.sizeDecoder.IsValueDecoded)
{
base.CurrentState = ClientFramingDecoderState.EnvelopeStart;
this.envelopeSize = this.sizeDecoder.Value;
this.envelopeBytesNeeded = this.envelopeSize;
}
goto Label_0248;
case ClientFramingDecoderState.EnvelopeStart:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeBytes;
goto Label_0248;
case ClientFramingDecoderState.ReadingEnvelopeBytes:
envelopeBytesNeeded = size;
if (envelopeBytesNeeded > this.envelopeBytesNeeded)
{
envelopeBytesNeeded = this.envelopeBytesNeeded;
}
this.envelopeBytesNeeded -= envelopeBytesNeeded;
if (this.envelopeBytesNeeded == 0)
{
base.CurrentState = ClientFramingDecoderState.EnvelopeEnd;
}
goto Label_0248;
case ClientFramingDecoderState.EnvelopeEnd:
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
goto Label_0248;
case ClientFramingDecoderState.ReadingEndRecord:
base.ValidateRecordType(FramingRecordType.End, (FramingRecordType)bytes[offset]);
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.End;
goto Label_0248;
case ClientFramingDecoderState.End:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("FramingAtEnd"))));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("InvalidDecoderStateMachine"))));
}
envelopeBytesNeeded = 0;
base.CurrentState = ClientFramingDecoderState.ReadingAckRecord;
goto Label_0248;
Label_00AA:
base.ValidatePreambleAck(type);
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.Start;
goto Label_0248;
Label_00E4:
if (type == FramingRecordType.Fault)
{
envelopeBytesNeeded = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
}
else
{
base.ValidateRecordType(FramingRecordType.SizedEnvelope, type);
envelopeBytesNeeded = 1;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeSize;
this.sizeDecoder.Reset();
}
Label_0248:
base.StreamPosition += envelopeBytesNeeded;
num2 = envelopeBytesNeeded;
}
catch (InvalidDataException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(exception));
}
return(num2);
}