public int Decode(byte[] buffer, int offset, int size)
{
DecoderHelper.ValidateSize(size);
if (_isValueDecoded)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SRServiceModel.FramingValueNotAvailable));
}
int bytesConsumed = 0;
while (bytesConsumed < size)
{
int next = buffer[offset];
_value |= (next & 0x7F) << (_index * 7);
bytesConsumed++;
if (_index == LastIndex && (next & 0xF8) != 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SRServiceModel.FramingSizeTooLarge));
}
_index++;
if ((next & 0x80) == 0)
{
_isValueDecoded = true;
break;
}
offset++;
}
return(bytesConsumed);
}
public int Decode(byte[] buffer, int offset, int size)
{
DecoderHelper.ValidateSize(size);
if (this.isValueDecoded)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.ServiceModel.SR.GetString("FramingValueNotAvailable")));
}
int num = 0;
while (num < size)
{
int num2 = buffer[offset];
this.value |= (num2 & 0x7f) << (this.index * 7);
num++;
if ((this.index == 4) && ((num2 & 0xf8) != 0))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("FramingSizeTooLarge")));
}
this.index = (short)(this.index + 1);
if ((num2 & 0x80) == 0)
{
this.isValueDecoded = true;
return(num);
}
offset++;
}
return(num);
}
public int Decode(byte[] buffer, int offset, int size)
{
DecoderHelper.ValidateSize(size);
int bytesConsumed;
switch (_currentState)
{
case State.ReadingSize:
bytesConsumed = _sizeDecoder.Decode(buffer, offset, size);
if (_sizeDecoder.IsValueDecoded)
{
_encodedSize = _sizeDecoder.Value;
if (_encodedSize > _sizeQuota)
{
Exception quotaExceeded = OnSizeQuotaExceeded(_encodedSize);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(quotaExceeded);
}
if (_encodedBytes == null || _encodedBytes.Length < _encodedSize)
{
_encodedBytes = Fx.AllocateByteArray(_encodedSize);
_value = null;
}
_currentState = State.ReadingBytes;
_bytesNeeded = _encodedSize;
}
break;
case State.ReadingBytes:
if (_value != null && _valueLengthInBytes == _encodedSize && _bytesNeeded == _encodedSize &&
size >= _encodedSize && CompareBuffers(_encodedBytes, buffer, offset))
{
bytesConsumed = _bytesNeeded;
OnComplete(_value);
}
else
{
bytesConsumed = _bytesNeeded;
if (size < _bytesNeeded)
{
bytesConsumed = size;
}
Buffer.BlockCopy(buffer, offset, _encodedBytes, _encodedSize - _bytesNeeded, bytesConsumed);
_bytesNeeded -= bytesConsumed;
if (_bytesNeeded == 0)
{
_value = Encoding.UTF8.GetString(_encodedBytes, 0, _encodedSize);
_valueLengthInBytes = _encodedSize;
OnComplete(_value);
}
}
break;
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.InvalidDecoderStateMachine));
}
return(bytesConsumed);
}
public int Decode(byte[] bytes, int offset, int size)
{
int num2;
DecoderHelper.ValidateSize(size);
try
{
int num;
switch (this.currentState)
{
case State.ReadingVersionRecord:
base.ValidateRecordType(FramingRecordType.Version, (FramingRecordType)bytes[offset]);
this.currentState = State.ReadingMajorVersion;
num = 1;
break;
case State.ReadingMajorVersion:
this.majorVersion = bytes[offset];
base.ValidateMajorVersion(this.majorVersion);
this.currentState = State.ReadingMinorVersion;
num = 1;
break;
case State.ReadingMinorVersion:
this.minorVersion = bytes[offset];
this.currentState = State.ReadingModeRecord;
num = 1;
break;
case State.ReadingModeRecord:
base.ValidateRecordType(FramingRecordType.Mode, (FramingRecordType)bytes[offset]);
this.currentState = State.ReadingModeValue;
num = 1;
break;
case State.ReadingModeValue:
this.mode = (FramingMode)bytes[offset];
base.ValidateFramingMode(this.mode);
this.currentState = State.Done;
num = 1;
break;
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(System.ServiceModel.SR.GetString("InvalidDecoderStateMachine"))));
}
base.StreamPosition += num;
num2 = num;
}
catch (InvalidDataException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(exception));
}
return(num2);
}
public int Decode(byte[] buffer, int offset, int size)
{
int bytesNeeded;
DecoderHelper.ValidateSize(size);
switch (this.currentState)
{
case State.ReadingSize:
bytesNeeded = this.sizeDecoder.Decode(buffer, offset, size);
if (this.sizeDecoder.IsValueDecoded)
{
this.encodedSize = this.sizeDecoder.Value;
if (this.encodedSize > this.sizeQuota)
{
Exception exception = this.OnSizeQuotaExceeded(this.encodedSize);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(exception);
}
if ((this.encodedBytes == null) || (this.encodedBytes.Length < this.encodedSize))
{
this.encodedBytes = DiagnosticUtility.Utility.AllocateByteArray(this.encodedSize);
this.value = null;
}
this.currentState = State.ReadingBytes;
this.bytesNeeded = this.encodedSize;
return(bytesNeeded);
}
return(bytesNeeded);
case State.ReadingBytes:
if ((((this.value == null) || (this.valueLengthInBytes != this.encodedSize)) || ((this.bytesNeeded != this.encodedSize) || (size < this.encodedSize))) || !CompareBuffers(this.encodedBytes, buffer, offset))
{
bytesNeeded = this.bytesNeeded;
if (size < this.bytesNeeded)
{
bytesNeeded = size;
}
Buffer.BlockCopy(buffer, offset, this.encodedBytes, this.encodedSize - this.bytesNeeded, bytesNeeded);
this.bytesNeeded -= bytesNeeded;
if (this.bytesNeeded == 0)
{
this.value = Encoding.UTF8.GetString(this.encodedBytes, 0, this.encodedSize);
this.valueLengthInBytes = this.encodedSize;
this.OnComplete(this.value);
}
return(bytesNeeded);
}
bytesNeeded = this.bytesNeeded;
this.OnComplete(this.value);
return(bytesNeeded);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("InvalidDecoderStateMachine")));
}
public int Decode(byte[] bytes, int offset, int size)
{
int num2;
DecoderHelper.ValidateSize(size);
try
{
int num;
FramingRecordType type;
switch (this.currentState)
{
case State.ReadingViaRecord:
type = (FramingRecordType)bytes[offset];
base.ValidateRecordType(FramingRecordType.Via, type);
num = 1;
this.viaDecoder.Reset();
this.currentState = State.ReadingViaString;
goto Label_0148;
case State.ReadingViaString:
num = this.viaDecoder.Decode(bytes, offset, size);
if (this.viaDecoder.IsValueDecoded)
{
this.currentState = State.ReadingContentTypeRecord;
}
goto Label_0148;
case State.ReadingContentTypeRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.KnownEncoding)
{
break;
}
num = 1;
this.currentState = State.ReadingContentTypeByte;
goto Label_0148;
case State.ReadingContentTypeString:
num = this.contentTypeDecoder.Decode(bytes, offset, size);
if (this.contentTypeDecoder.IsValueDecoded)
{
this.currentState = State.Start;
this.contentType = this.contentTypeDecoder.Value;
}
goto Label_0148;
case State.ReadingContentTypeByte:
this.contentType = ContentTypeStringDecoder.GetString((FramingEncodingType)bytes[offset]);
num = 1;
this.currentState = State.Start;
goto Label_0148;
case State.Start:
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"))));
}
base.ValidateRecordType(FramingRecordType.ExtensibleEncoding, type);
num = 1;
this.contentTypeDecoder.Reset();
this.currentState = State.ReadingContentTypeString;
Label_0148:
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)
{
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));
}
}
public int Decode(byte[] bytes, int offset, int size)
{
DecoderHelper.ValidateSize(size);
try
{
int bytesConsumed;
switch (_currentState)
{
case State.ReadingEnvelopeChunkSize:
bytesConsumed = _sizeDecoder.Decode(bytes, offset, size);
if (_sizeDecoder.IsValueDecoded)
{
_chunkSize = _sizeDecoder.Value;
_sizeDecoder.Reset();
if (_chunkSize == 0)
{
_currentState = State.EnvelopeEnd;
}
else
{
_currentState = State.ChunkStart;
_chunkBytesNeeded = _chunkSize;
}
}
break;
case State.ChunkStart:
bytesConsumed = 0;
_currentState = State.ReadingEnvelopeBytes;
break;
case State.ReadingEnvelopeBytes:
bytesConsumed = size;
if (bytesConsumed > _chunkBytesNeeded)
{
bytesConsumed = _chunkBytesNeeded;
}
_chunkBytesNeeded -= bytesConsumed;
if (_chunkBytesNeeded == 0)
{
_currentState = State.ChunkEnd;
}
break;
case State.ChunkEnd:
bytesConsumed = 0;
_currentState = State.ReadingEnvelopeChunkSize;
break;
case State.EnvelopeEnd:
ValidateRecordType(FramingRecordType.End, (FramingRecordType)bytes[offset]);
bytesConsumed = 1;
_currentState = State.End;
break;
case State.End:
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));
}
}
public int Decode(byte[] bytes, int offset, int size)
{
int num2;
DecoderHelper.ValidateSize(size);
try
{
int chunkBytesNeeded;
switch (this.currentState)
{
case State.ReadingEnvelopeChunkSize:
chunkBytesNeeded = this.sizeDecoder.Decode(bytes, offset, size);
if (this.sizeDecoder.IsValueDecoded)
{
this.chunkSize = this.sizeDecoder.Value;
this.sizeDecoder.Reset();
if (this.chunkSize != 0)
{
break;
}
this.currentState = State.EnvelopeEnd;
}
goto Label_0136;
case State.ChunkStart:
chunkBytesNeeded = 0;
this.currentState = State.ReadingEnvelopeBytes;
goto Label_0136;
case State.ReadingEnvelopeBytes:
chunkBytesNeeded = size;
if (chunkBytesNeeded > this.chunkBytesNeeded)
{
chunkBytesNeeded = this.chunkBytesNeeded;
}
this.chunkBytesNeeded -= chunkBytesNeeded;
if (this.chunkBytesNeeded == 0)
{
this.currentState = State.ChunkEnd;
}
goto Label_0136;
case State.ChunkEnd:
chunkBytesNeeded = 0;
this.currentState = State.ReadingEnvelopeChunkSize;
goto Label_0136;
case State.EnvelopeEnd:
base.ValidateRecordType(FramingRecordType.End, (FramingRecordType)bytes[offset]);
chunkBytesNeeded = 1;
this.currentState = State.End;
goto Label_0136;
case State.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"))));
}
this.currentState = State.ChunkStart;
this.chunkBytesNeeded = this.chunkSize;
Label_0136:
base.StreamPosition += chunkBytesNeeded;
num2 = chunkBytesNeeded;
}
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);
}
public int Decode(byte[] bytes, int offset, int size)
{
int num2;
DecoderHelper.ValidateSize(size);
try
{
int envelopeBytesNeeded;
FramingRecordType type;
switch (this.currentState)
{
case State.ReadingViaRecord:
type = (FramingRecordType)bytes[offset];
base.ValidateRecordType(FramingRecordType.Via, type);
envelopeBytesNeeded = 1;
this.viaDecoder.Reset();
this.currentState = State.ReadingViaString;
goto Label_0312;
case State.ReadingViaString:
envelopeBytesNeeded = this.viaDecoder.Decode(bytes, offset, size);
if (this.viaDecoder.IsValueDecoded)
{
this.currentState = State.ReadingContentTypeRecord;
}
goto Label_0312;
case State.ReadingContentTypeRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.KnownEncoding)
{
break;
}
envelopeBytesNeeded = 1;
this.currentState = State.ReadingContentTypeByte;
goto Label_0312;
case State.ReadingContentTypeString:
envelopeBytesNeeded = this.contentTypeDecoder.Decode(bytes, offset, size);
if (this.contentTypeDecoder.IsValueDecoded)
{
this.currentState = State.PreUpgradeStart;
this.contentType = this.contentTypeDecoder.Value;
}
goto Label_0312;
case State.ReadingContentTypeByte:
this.contentType = ContentTypeStringDecoder.GetString((FramingEncodingType)bytes[offset]);
envelopeBytesNeeded = 1;
this.currentState = State.PreUpgradeStart;
goto Label_0312;
case State.PreUpgradeStart:
envelopeBytesNeeded = 0;
this.currentState = State.ReadingUpgradeRecord;
goto Label_0312;
case State.ReadingUpgradeRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.UpgradeRequest)
{
goto Label_0171;
}
envelopeBytesNeeded = 1;
this.contentTypeDecoder.Reset();
this.currentState = State.ReadingUpgradeString;
goto Label_0312;
case State.ReadingUpgradeString:
envelopeBytesNeeded = this.contentTypeDecoder.Decode(bytes, offset, size);
if (this.contentTypeDecoder.IsValueDecoded)
{
this.currentState = State.UpgradeRequest;
this.upgrade = this.contentTypeDecoder.Value;
}
goto Label_0312;
case State.UpgradeRequest:
envelopeBytesNeeded = 0;
this.currentState = State.ReadingUpgradeRecord;
goto Label_0312;
case State.ReadingPreambleEndRecord:
type = (FramingRecordType)bytes[offset];
base.ValidateRecordType(FramingRecordType.PreambleEnd, type);
envelopeBytesNeeded = 1;
this.currentState = State.Start;
goto Label_0312;
case State.Start:
envelopeBytesNeeded = 0;
this.currentState = State.ReadingEndRecord;
goto Label_0312;
case State.ReadingEnvelopeRecord:
base.ValidateRecordType(FramingRecordType.SizedEnvelope, (FramingRecordType)bytes[offset]);
envelopeBytesNeeded = 1;
this.currentState = State.ReadingEnvelopeSize;
this.sizeDecoder.Reset();
goto Label_0312;
case State.ReadingEnvelopeSize:
envelopeBytesNeeded = this.sizeDecoder.Decode(bytes, offset, size);
if (this.sizeDecoder.IsValueDecoded)
{
this.currentState = State.EnvelopeStart;
this.envelopeSize = this.sizeDecoder.Value;
this.envelopeBytesNeeded = this.envelopeSize;
}
goto Label_0312;
case State.EnvelopeStart:
envelopeBytesNeeded = 0;
this.currentState = State.ReadingEnvelopeBytes;
goto Label_0312;
case State.ReadingEnvelopeBytes:
envelopeBytesNeeded = size;
if (envelopeBytesNeeded > this.envelopeBytesNeeded)
{
envelopeBytesNeeded = this.envelopeBytesNeeded;
}
this.envelopeBytesNeeded -= envelopeBytesNeeded;
if (this.envelopeBytesNeeded == 0)
{
this.currentState = State.EnvelopeEnd;
}
goto Label_0312;
case State.EnvelopeEnd:
envelopeBytesNeeded = 0;
this.currentState = State.ReadingEndRecord;
goto Label_0312;
case State.ReadingEndRecord:
type = (FramingRecordType)bytes[offset];
if (type != FramingRecordType.End)
{
goto Label_020C;
}
envelopeBytesNeeded = 1;
this.currentState = State.End;
goto Label_0312;
case State.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"))));
}
base.ValidateRecordType(FramingRecordType.ExtensibleEncoding, type);
envelopeBytesNeeded = 1;
this.contentTypeDecoder.Reset();
this.currentState = State.ReadingContentTypeString;
goto Label_0312;
Label_0171:
envelopeBytesNeeded = 0;
this.currentState = State.ReadingPreambleEndRecord;
goto Label_0312;
Label_020C:
envelopeBytesNeeded = 0;
this.currentState = State.ReadingEnvelopeRecord;
Label_0312:
base.StreamPosition += envelopeBytesNeeded;
num2 = envelopeBytesNeeded;
}
catch (InvalidDataException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(exception));
}
return(num2);
}
