public int ReadInt32()
{
var intBuffer = ReadBytes(4);
return(HmBitConverter.ToInt32(intBuffer));
}
public async Task HandleRequest(IRequestContext context)
{
if (context.Protocol != "binary")
{
await _next.HandleRequest(context);
return;
}
var binaryContext = (BinaryRequestContext)context;
var incoming = binaryContext.GetRequestStream();
//buffer for robustness.
using (var outgoingBuffer = new MemoryStream())
{
var newContext = new BinaryRequestContext(incoming, outgoingBuffer);
try
{
await _next.HandleRequest(newContext);
var bufferArray = outgoingBuffer.ToArray();
if (Debugger.IsAttached)
{
Debug.WriteLine("Write response (Length={0} bytes): {1}", bufferArray.Length, Binary.Utils.Tokenize(bufferArray));
}
var responseStream = binaryContext.GetResponseStream();
await responseStream.WriteAsync(bufferArray, 0, bufferArray.Length);
}
catch (ProtocolException protocolException)
{
var responseStream = binaryContext.GetResponseStream();
using (var errorBuffer = new MemoryStream())
{
var writer = new HmBinaryMessageWriter(errorBuffer);
writer.BeginMessage(MessageType.Error);
writer.BeginContent();
writer.BeginStruct(2);
writer.BeginItem();
writer.WritePropertyName("faultCode");
writer.WriteInt32Value(int.MinValue);
writer.EndItem();
writer.BeginItem();
writer.WritePropertyName("faultMessage");
writer.WriteStringValue(protocolException.Message);
writer.EndItem();
writer.EndStruct();
writer.EndContent();
writer.EndMessage();
#if DEBUG
errorBuffer.Seek(0, SeekOrigin.Begin);
var intBuf = new byte[4];
errorBuffer.Read(intBuf, 4, 4);
var length = HmBitConverter.ToInt32(intBuf);
if (errorBuffer.Length != length + 4)
{
throw new ProtocolException("Error message not correct.");
}
#endif
var errorBufferArray = errorBuffer.ToArray();
await responseStream.WriteAsync(errorBufferArray, 0, errorBufferArray.Length);
}
}
}
}