public StringDecoder(int sizeQuota)
{
this.sizeQuota = sizeQuota;
this.sizeDecoder = new IntDecoder();
this.currentState = State.ReadingSize;
this.Reset();
}
public StringDecoder(int sizeQuota)
{
_sizeQuota = sizeQuota;
_sizeDecoder = new IntDecoder();
_currentState = State.ReadingSize;
Reset();
}
public StringDecoder(int sizeQuota)
{
this.sizeQuota = sizeQuota;
this.sizeDecoder = new IntDecoder();
this.currentState = State.ReadingSize;
this.Reset();
}
public ServerSessionDecoder(long streamPosition, int maxViaLength, int maxContentTypeLength) : base(streamPosition)
{
this.viaDecoder = new ViaStringDecoder(maxViaLength);
this.contentTypeDecoder = new ContentTypeStringDecoder(maxContentTypeLength);
this.sizeDecoder = new IntDecoder();
this.currentState = State.ReadingViaRecord;
}
public ClientDuplexDecoder(long streamPosition)
: base(streamPosition)
{
_sizeDecoder = new IntDecoder();
}
public SingletonMessageDecoder(long streamPosition)
: base(streamPosition)
{
_sizeDecoder = new IntDecoder();
_currentState = State.ChunkStart;
}
private ArraySegment <byte> ExtractSessionInformationFromMessage(ArraySegment <byte> messageData)
{
int num3;
int num4;
if (this.isReaderSessionInvalid)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionInvalid")));
}
byte[] array = messageData.Array;
bool flag = true;
try
{
IntDecoder decoder = new IntDecoder();
int num2 = decoder.Decode(array, messageData.Offset, messageData.Count);
int num = decoder.Value;
if (num > messageData.Count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionMalformed")));
}
num3 = (messageData.Offset + num2) + num;
num4 = (messageData.Count - num2) - num;
if (num4 < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionMalformed")));
}
if (num > 0)
{
if (num > this.remainingReaderSessionSize)
{
string message = System.ServiceModel.SR.GetString("BinaryEncoderSessionTooLarge", new object[] { this.maxSessionSize });
Exception innerException = new QuotaExceededException(message);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(message, innerException));
}
this.remainingReaderSessionSize -= num;
int size = num;
int offset = messageData.Offset + num2;
while (size > 0)
{
decoder.Reset();
int num7 = decoder.Decode(array, offset, size);
int count = decoder.Value;
offset += num7;
size -= num7;
if (count > size)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionMalformed")));
}
string str2 = Encoding.UTF8.GetString(array, offset, count);
offset += count;
size -= count;
this.readerSession.Add(this.idCounter, str2);
this.idCounter++;
}
}
flag = false;
}
finally
{
if (flag)
{
this.isReaderSessionInvalid = true;
}
}
return(new ArraySegment <byte>(array, num3, num4));
}
private ArraySegment<byte> ExtractSessionInformationFromMessage(ArraySegment<byte> messageData)
{
if (_isReaderSessionInvalid)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.BinaryEncoderSessionInvalid));
}
byte[] buffer = messageData.Array;
int dictionarySize;
int headerSize;
int newOffset;
int newSize;
bool throwing = true;
try
{
IntDecoder decoder = new IntDecoder();
headerSize = decoder.Decode(buffer, messageData.Offset, messageData.Count);
dictionarySize = decoder.Value;
if (dictionarySize > messageData.Count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.BinaryEncoderSessionMalformed));
}
newOffset = messageData.Offset + headerSize + dictionarySize;
newSize = messageData.Count - headerSize - dictionarySize;
if (newSize < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.BinaryEncoderSessionMalformed));
}
if (dictionarySize > 0)
{
if (dictionarySize > _remainingReaderSessionSize)
{
string message = SR.Format(SR.BinaryEncoderSessionTooLarge, _maxSessionSize);
if (WcfEventSource.Instance.MaxSessionSizeReachedIsEnabled())
{
WcfEventSource.Instance.MaxSessionSizeReached(message);
}
Exception inner = new QuotaExceededException(message);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(message, inner));
}
else
{
_remainingReaderSessionSize -= dictionarySize;
}
int size = dictionarySize;
int offset = messageData.Offset + headerSize;
while (size > 0)
{
decoder.Reset();
int bytesDecoded = decoder.Decode(buffer, offset, size);
int utf8ValueSize = decoder.Value;
offset += bytesDecoded;
size -= bytesDecoded;
if (utf8ValueSize > size)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(SR.BinaryEncoderSessionMalformed));
}
string value = Encoding.UTF8.GetString(buffer, offset, utf8ValueSize);
offset += utf8ValueSize;
size -= utf8ValueSize;
_readerSession.Add(_idCounter, value);
_idCounter++;
}
}
throwing = false;
}
finally
{
if (throwing)
{
_isReaderSessionInvalid = true;
}
}
return new ArraySegment<byte>(buffer, newOffset, newSize);
}
public SingletonMessageDecoder(long streamPosition)
: base(streamPosition)
{
this.sizeDecoder = new IntDecoder();
this.currentState = State.ChunkStart;
}
public ServerSessionDecoder(long streamPosition, int maxViaLength, int maxContentTypeLength)
: base(streamPosition)
{
this.viaDecoder = new ViaStringDecoder(maxViaLength);
this.contentTypeDecoder = new ContentTypeStringDecoder(maxContentTypeLength);
this.sizeDecoder = new IntDecoder();
this.currentState = State.ReadingViaRecord;
}
public ClientDuplexDecoder(long streamPosition)
: base(streamPosition)
{
sizeDecoder = new IntDecoder();
}
public StringDecoder(int sizeQuota)
{
_sizeQuota = sizeQuota;
_sizeDecoder = new IntDecoder();
_currentState = State.ReadingSize;
Reset();
}
private ArraySegment<byte> ExtractSessionInformationFromMessage(ArraySegment<byte> messageData)
{
int num3;
int num4;
if (this.isReaderSessionInvalid)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionInvalid")));
}
byte[] array = messageData.Array;
bool flag = true;
try
{
IntDecoder decoder = new IntDecoder();
int num2 = decoder.Decode(array, messageData.Offset, messageData.Count);
int num = decoder.Value;
if (num > messageData.Count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionMalformed")));
}
num3 = (messageData.Offset + num2) + num;
num4 = (messageData.Count - num2) - num;
if (num4 < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionMalformed")));
}
if (num > 0)
{
if (num > this.remainingReaderSessionSize)
{
string message = System.ServiceModel.SR.GetString("BinaryEncoderSessionTooLarge", new object[] { this.maxSessionSize });
Exception innerException = new QuotaExceededException(message);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(message, innerException));
}
this.remainingReaderSessionSize -= num;
int size = num;
int offset = messageData.Offset + num2;
while (size > 0)
{
decoder.Reset();
int num7 = decoder.Decode(array, offset, size);
int count = decoder.Value;
offset += num7;
size -= num7;
if (count > size)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(System.ServiceModel.SR.GetString("BinaryEncoderSessionMalformed")));
}
string str2 = Encoding.UTF8.GetString(array, offset, count);
offset += count;
size -= count;
this.readerSession.Add(this.idCounter, str2);
this.idCounter++;
}
}
flag = false;
}
finally
{
if (flag)
{
this.isReaderSessionInvalid = true;
}
}
return new ArraySegment<byte>(array, num3, num4);
}
