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());
}
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());
}
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 bool ValidatePreambleResponse(byte[] buffer, int count, ClientFramingDecoder decoder, Uri via)
{
if (count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("ServerRejectedSessionPreamble", new object[] { via }), decoder.CreatePrematureEOFException()));
}
while (decoder.Decode(buffer, 0, count) == 0)
{
}
if (decoder.CurrentState != ClientFramingDecoderState.Start)
{
return false;
}
return true;
}
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 static bool ValidatePreambleResponse(byte[] buffer, int count, ClientFramingDecoder decoder, Uri via)
{
if (count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ProtocolException(SR.Format(SR.ServerRejectedSessionPreamble, via),
decoder.CreatePrematureEOFException()));
}
// decode until the framing byte has been processed (it always will be)
while (decoder.Decode(buffer, 0, count) == 0)
{
// do nothing
}
if (decoder.CurrentState != ClientFramingDecoderState.Start) // we have a problem
{
return(false);
}
return(true);
}
private static bool ValidateUpgradeResponse(byte[] buffer, int count, ClientFramingDecoder decoder)
{
if (count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MessageSecurityException(SR.ServerRejectedUpgradeRequest, decoder.CreatePrematureEOFException()));
}
// decode until the framing byte has been processed (it always will be)
while (decoder.Decode(buffer, 0, count) == 0)
{
// do nothing
}
if (decoder.CurrentState != ClientFramingDecoderState.UpgradeResponse) // we have a problem
{
return(false);
}
return(true);
}
public static bool ValidatePreambleResponse(byte[] buffer, int count, ClientFramingDecoder decoder, Uri via)
{
if (count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("ServerRejectedSessionPreamble", new object[] { via }), decoder.CreatePrematureEOFException()));
}
while (decoder.Decode(buffer, 0, count) == 0)
{
}
if (decoder.CurrentState != ClientFramingDecoderState.Start)
{
return(false);
}
return(true);
}
private static bool ValidateUpgradeResponse(byte[] buffer, int count, ClientFramingDecoder decoder)
{
if (count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MessageSecurityException(System.ServiceModel.SR.GetString("ServerRejectedUpgradeRequest"), decoder.CreatePrematureEOFException()));
}
while (decoder.Decode(buffer, 0, count) == 0)
{
}
if (decoder.CurrentState != ClientFramingDecoderState.UpgradeResponse)
{
return(false);
}
return(true);
}
private static bool ValidateUpgradeResponse(byte[] buffer, int count, ClientFramingDecoder decoder)
{
if (count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MessageSecurityException(System.ServiceModel.SR.GetString("ServerRejectedUpgradeRequest"), decoder.CreatePrematureEOFException()));
}
while (decoder.Decode(buffer, 0, count) == 0)
{
}
if (decoder.CurrentState != ClientFramingDecoderState.UpgradeResponse)
{
return false;
}
return true;
}