public int Decode(byte[] buffer, int offset, int size)
{
DecoderHelper.ValidateSize(size);
if (this.isValueDecoded)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(Microsoft.ServiceBus.SR.GetString(Resources.FramingValueNotAvailable, new object[0])));
}
int num = 0;
while (num < size)
{
int num1 = buffer[offset];
IntDecoder intDecoder = this;
intDecoder.@value = intDecoder.@value | (num1 & 127) << (this.index * 7 & 31);
num++;
if (this.index == 4 && (num1 & 248) != 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.FramingSizeTooLarge, new object[0])));
}
IntDecoder intDecoder1 = this;
intDecoder1.index = (short)(intDecoder1.index + 1);
if ((num1 & 128) != 0)
{
offset++;
}
else
{
this.isValueDecoded = true;
break;
}
}
return(num);
}
public int Decode(byte[] buffer, int offset, int size)
{
int num;
DecoderHelper.ValidateSize(size);
switch (this.currentState)
{
case StringDecoder.State.ReadingSize:
{
num = this.sizeDecoder.Decode(buffer, offset, size);
if (!this.sizeDecoder.IsValueDecoded)
{
break;
}
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 || (int)this.encodedBytes.Length < this.encodedSize)
{
this.encodedBytes = DiagnosticUtility.Utility.AllocateByteArray(this.encodedSize);
this.@value = null;
}
this.currentState = StringDecoder.State.ReadingBytes;
this.bytesNeeded = this.encodedSize;
break;
}
case StringDecoder.State.ReadingBytes:
{
if (this.@value == null || this.valueLengthInBytes != this.encodedSize || this.bytesNeeded != this.encodedSize || size < this.encodedSize || !StringDecoder.CompareBuffers(this.encodedBytes, buffer, offset))
{
num = this.bytesNeeded;
if (size < this.bytesNeeded)
{
num = size;
}
Buffer.BlockCopy(buffer, offset, this.encodedBytes, this.encodedSize - this.bytesNeeded, num);
StringDecoder stringDecoder = this;
stringDecoder.bytesNeeded = stringDecoder.bytesNeeded - num;
if (this.bytesNeeded != 0)
{
break;
}
this.@value = Encoding.UTF8.GetString(this.encodedBytes, 0, this.encodedSize);
this.valueLengthInBytes = this.encodedSize;
this.OnComplete(this.@value);
break;
}
else
{
num = this.bytesNeeded;
this.OnComplete(this.@value);
break;
}
}
default:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.InvalidDecoderStateMachine, new object[0])));
}
}
return(num);
}
public int Decode(byte[] bytes, int offset, int size)
{
int num;
int num1;
DecoderHelper.ValidateSize(size);
try
{
switch (this.currentState)
{
case ServerModeDecoder.State.ReadingVersionRecord:
{
base.ValidateRecordType(FramingRecordType.Version, (FramingRecordType)bytes[offset]);
this.currentState = ServerModeDecoder.State.ReadingMajorVersion;
num = 1;
break;
}
case ServerModeDecoder.State.ReadingMajorVersion:
{
this.majorVersion = bytes[offset];
base.ValidateMajorVersion(this.majorVersion);
this.currentState = ServerModeDecoder.State.ReadingMinorVersion;
num = 1;
break;
}
case ServerModeDecoder.State.ReadingMinorVersion:
{
this.minorVersion = bytes[offset];
this.currentState = ServerModeDecoder.State.ReadingModeRecord;
num = 1;
break;
}
case ServerModeDecoder.State.ReadingModeRecord:
{
base.ValidateRecordType(FramingRecordType.Mode, (FramingRecordType)bytes[offset]);
this.currentState = ServerModeDecoder.State.ReadingModeValue;
num = 1;
break;
}
case ServerModeDecoder.State.ReadingModeValue:
{
this.mode = (FramingMode)bytes[offset];
base.ValidateFramingMode(this.mode);
this.currentState = ServerModeDecoder.State.Done;
num = 1;
break;
}
default:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.InvalidDecoderStateMachine, new object[0]))));
}
}
ServerModeDecoder streamPosition = this;
streamPosition.StreamPosition = streamPosition.StreamPosition + (long)num;
num1 = num;
}
catch (InvalidDataException invalidDataException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(invalidDataException));
}
return(num1);
}
public int Decode(byte[] bytes, int offset, int size)
{
int num;
FramingRecordType framingRecordType;
int num1;
DecoderHelper.ValidateSize(size);
try
{
switch (this.currentState)
{
case ServerSingletonDecoder.State.ReadingViaRecord:
{
framingRecordType = (FramingRecordType)bytes[offset];
base.ValidateRecordType(FramingRecordType.Via, framingRecordType);
num = 1;
this.viaDecoder.Reset();
this.currentState = ServerSingletonDecoder.State.ReadingViaString;
break;
}
case ServerSingletonDecoder.State.ReadingViaString:
{
num = this.viaDecoder.Decode(bytes, offset, size);
if (!this.viaDecoder.IsValueDecoded)
{
break;
}
this.currentState = ServerSingletonDecoder.State.ReadingContentTypeRecord;
break;
}
case ServerSingletonDecoder.State.ReadingContentTypeRecord:
{
framingRecordType = (FramingRecordType)bytes[offset];
if (framingRecordType != FramingRecordType.KnownEncoding)
{
base.ValidateRecordType(FramingRecordType.ExtensibleEncoding, framingRecordType);
num = 1;
this.contentTypeDecoder.Reset();
this.currentState = ServerSingletonDecoder.State.ReadingContentTypeString;
break;
}
else
{
num = 1;
this.currentState = ServerSingletonDecoder.State.ReadingContentTypeByte;
break;
}
}
case ServerSingletonDecoder.State.ReadingContentTypeString:
{
num = this.contentTypeDecoder.Decode(bytes, offset, size);
if (!this.contentTypeDecoder.IsValueDecoded)
{
break;
}
this.currentState = ServerSingletonDecoder.State.PreUpgradeStart;
this.contentType = this.contentTypeDecoder.Value;
break;
}
case ServerSingletonDecoder.State.ReadingContentTypeByte:
{
this.contentType = ContentTypeStringDecoder.GetString((FramingEncodingType)bytes[offset]);
num = 1;
this.currentState = ServerSingletonDecoder.State.PreUpgradeStart;
break;
}
case ServerSingletonDecoder.State.PreUpgradeStart:
{
num = 0;
this.currentState = ServerSingletonDecoder.State.ReadingUpgradeRecord;
break;
}
case ServerSingletonDecoder.State.ReadingUpgradeRecord:
{
framingRecordType = (FramingRecordType)bytes[offset];
if (framingRecordType != FramingRecordType.UpgradeRequest)
{
num = 0;
this.currentState = ServerSingletonDecoder.State.ReadingPreambleEndRecord;
break;
}
else
{
num = 1;
this.contentTypeDecoder.Reset();
this.currentState = ServerSingletonDecoder.State.ReadingUpgradeString;
break;
}
}
case ServerSingletonDecoder.State.ReadingUpgradeString:
{
num = this.contentTypeDecoder.Decode(bytes, offset, size);
if (!this.contentTypeDecoder.IsValueDecoded)
{
break;
}
this.currentState = ServerSingletonDecoder.State.UpgradeRequest;
this.upgrade = this.contentTypeDecoder.Value;
break;
}
case ServerSingletonDecoder.State.UpgradeRequest:
{
num = 0;
this.currentState = ServerSingletonDecoder.State.ReadingUpgradeRecord;
break;
}
case ServerSingletonDecoder.State.ReadingPreambleEndRecord:
{
framingRecordType = (FramingRecordType)bytes[offset];
base.ValidateRecordType(FramingRecordType.PreambleEnd, framingRecordType);
num = 1;
this.currentState = ServerSingletonDecoder.State.Start;
break;
}
case ServerSingletonDecoder.State.Start:
{
num = 0;
this.currentState = ServerSingletonDecoder.State.ReadingEnvelopeRecord;
break;
}
case ServerSingletonDecoder.State.ReadingEnvelopeRecord:
{
base.ValidateRecordType(FramingRecordType.UnsizedEnvelope, (FramingRecordType)bytes[offset]);
num = 1;
this.currentState = ServerSingletonDecoder.State.EnvelopeStart;
break;
}
case ServerSingletonDecoder.State.EnvelopeStart:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.FramingAtEnd, new object[0]))));
}
default:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.InvalidDecoderStateMachine, new object[0]))));
}
}
ServerSingletonDecoder streamPosition = this;
streamPosition.StreamPosition = streamPosition.StreamPosition + (long)num;
num1 = num;
}
catch (InvalidDataException invalidDataException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(invalidDataException));
}
return(num1);
}
public override int Decode(byte[] bytes, int offset, int size)
{
int num;
FramingRecordType framingRecordType;
int num1;
DecoderHelper.ValidateSize(size);
try
{
switch (base.CurrentState)
{
case ClientFramingDecoderState.ReadingUpgradeRecord:
{
framingRecordType = (FramingRecordType)bytes[offset];
if (framingRecordType != FramingRecordType.UpgradeResponse)
{
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingAckRecord;
break;
}
else
{
num = 1;
base.CurrentState = ClientFramingDecoderState.UpgradeResponse;
break;
}
}
case ClientFramingDecoderState.ReadingUpgradeMode:
case ClientFramingDecoderState.ReadingFault:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.InvalidDecoderStateMachine, new object[0]))));
}
case ClientFramingDecoderState.UpgradeResponse:
{
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingUpgradeRecord;
break;
}
case ClientFramingDecoderState.ReadingAckRecord:
{
framingRecordType = (FramingRecordType)bytes[offset];
if (framingRecordType != FramingRecordType.Fault)
{
base.ValidatePreambleAck(framingRecordType);
num = 1;
base.CurrentState = ClientFramingDecoderState.Start;
break;
}
else
{
num = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
break;
}
}
case ClientFramingDecoderState.Start:
{
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
break;
}
case ClientFramingDecoderState.ReadingFaultString:
{
num = this.faultDecoder.Decode(bytes, offset, size);
if (!this.faultDecoder.IsValueDecoded)
{
break;
}
base.CurrentState = ClientFramingDecoderState.Fault;
break;
}
case ClientFramingDecoderState.Fault:
{
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEndRecord;
break;
}
case ClientFramingDecoderState.ReadingEnvelopeRecord:
{
framingRecordType = (FramingRecordType)bytes[offset];
if (framingRecordType == FramingRecordType.End)
{
num = 1;
base.CurrentState = ClientFramingDecoderState.End;
break;
}
else if (framingRecordType != FramingRecordType.Fault)
{
base.ValidateRecordType(FramingRecordType.SizedEnvelope, framingRecordType);
num = 1;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeSize;
this.sizeDecoder.Reset();
break;
}
else
{
num = 1;
this.faultDecoder = new FaultStringDecoder();
base.CurrentState = ClientFramingDecoderState.ReadingFaultString;
break;
}
}
case ClientFramingDecoderState.ReadingEnvelopeSize:
{
num = this.sizeDecoder.Decode(bytes, offset, size);
if (!this.sizeDecoder.IsValueDecoded)
{
break;
}
base.CurrentState = ClientFramingDecoderState.EnvelopeStart;
this.envelopeSize = this.sizeDecoder.Value;
this.envelopeBytesNeeded = this.envelopeSize;
break;
}
case ClientFramingDecoderState.EnvelopeStart:
{
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeBytes;
break;
}
case ClientFramingDecoderState.ReadingEnvelopeBytes:
{
num = size;
if (num > this.envelopeBytesNeeded)
{
num = this.envelopeBytesNeeded;
}
ClientDuplexDecoder clientDuplexDecoder = this;
clientDuplexDecoder.envelopeBytesNeeded = clientDuplexDecoder.envelopeBytesNeeded - num;
if (this.envelopeBytesNeeded != 0)
{
break;
}
base.CurrentState = ClientFramingDecoderState.EnvelopeEnd;
break;
}
case ClientFramingDecoderState.EnvelopeEnd:
{
num = 0;
base.CurrentState = ClientFramingDecoderState.ReadingEnvelopeRecord;
break;
}
case ClientFramingDecoderState.ReadingEndRecord:
{
base.ValidateRecordType(FramingRecordType.End, (FramingRecordType)bytes[offset]);
num = 1;
base.CurrentState = ClientFramingDecoderState.End;
break;
}
case ClientFramingDecoderState.End:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.FramingAtEnd, new object[0]))));
}
default:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.InvalidDecoderStateMachine, new object[0]))));
}
}
ClientDuplexDecoder streamPosition = this;
streamPosition.StreamPosition = streamPosition.StreamPosition + (long)num;
num1 = num;
}
catch (InvalidDataException invalidDataException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(invalidDataException));
}
return(num1);
}
public int Decode(byte[] bytes, int offset, int size)
{
int num;
int num1;
DecoderHelper.ValidateSize(size);
try
{
switch (this.currentState)
{
case SingletonMessageDecoder.State.ReadingEnvelopeChunkSize:
{
num = this.sizeDecoder.Decode(bytes, offset, size);
if (!this.sizeDecoder.IsValueDecoded)
{
break;
}
this.chunkSize = this.sizeDecoder.Value;
this.sizeDecoder.Reset();
if (this.chunkSize != 0)
{
this.currentState = SingletonMessageDecoder.State.ChunkStart;
this.chunkBytesNeeded = this.chunkSize;
break;
}
else
{
this.currentState = SingletonMessageDecoder.State.EnvelopeEnd;
break;
}
}
case SingletonMessageDecoder.State.ChunkStart:
{
num = 0;
this.currentState = SingletonMessageDecoder.State.ReadingEnvelopeBytes;
break;
}
case SingletonMessageDecoder.State.ReadingEnvelopeBytes:
{
num = size;
if (num > this.chunkBytesNeeded)
{
num = this.chunkBytesNeeded;
}
SingletonMessageDecoder singletonMessageDecoder = this;
singletonMessageDecoder.chunkBytesNeeded = singletonMessageDecoder.chunkBytesNeeded - num;
if (this.chunkBytesNeeded != 0)
{
break;
}
this.currentState = SingletonMessageDecoder.State.ChunkEnd;
break;
}
case SingletonMessageDecoder.State.ChunkEnd:
{
num = 0;
this.currentState = SingletonMessageDecoder.State.ReadingEnvelopeChunkSize;
break;
}
case SingletonMessageDecoder.State.EnvelopeEnd:
{
base.ValidateRecordType(FramingRecordType.End, (FramingRecordType)bytes[offset]);
num = 1;
this.currentState = SingletonMessageDecoder.State.End;
break;
}
case SingletonMessageDecoder.State.End:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.FramingAtEnd, new object[0]))));
}
default:
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(new InvalidDataException(Microsoft.ServiceBus.SR.GetString(Resources.InvalidDecoderStateMachine, new object[0]))));
}
}
SingletonMessageDecoder streamPosition = this;
streamPosition.StreamPosition = streamPosition.StreamPosition + (long)num;
num1 = num;
}
catch (InvalidDataException invalidDataException)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(base.CreateException(invalidDataException));
}
return(num1);
}
