public async static Task WriteMessageAsync(Message message, IConnection connection, bool isRequest,
IConnectionOrientedTransportFactorySettings settings, TimeoutHelper timeoutHelper)
{
byte[] endBytes = null;
if (message != null)
{
MessageEncoder messageEncoder = settings.MessageEncoderFactory.Encoder;
byte[] envelopeStartBytes = SingletonEncoder.EnvelopeStartBytes;
bool writeStreamed;
if (isRequest)
{
endBytes = SingletonEncoder.EnvelopeEndFramingEndBytes;
writeStreamed = TransferModeHelper.IsRequestStreamed(settings.TransferMode);
}
else
{
endBytes = SingletonEncoder.EnvelopeEndBytes;
writeStreamed = TransferModeHelper.IsResponseStreamed(settings.TransferMode);
}
if (writeStreamed)
{
await connection.WriteAsync(envelopeStartBytes, 0, envelopeStartBytes.Length, false, timeoutHelper.RemainingTime());
Stream connectionStream = new StreamingOutputConnectionStream(connection, settings);
Stream writeTimeoutStream = new TimeoutStream(connectionStream, timeoutHelper.RemainingTime());
await messageEncoder.WriteMessageAsync(message, writeTimeoutStream);
}
else
{
ArraySegment <byte> messageData = await messageEncoder.WriteMessageAsync(message,
int.MaxValue, settings.BufferManager, envelopeStartBytes.Length + IntEncoder.MaxEncodedSize);
messageData = SingletonEncoder.EncodeMessageFrame(messageData);
Buffer.BlockCopy(envelopeStartBytes, 0, messageData.Array, messageData.Offset - envelopeStartBytes.Length,
envelopeStartBytes.Length);
await connection.WriteAsync(messageData.Array, messageData.Offset - envelopeStartBytes.Length,
messageData.Count + envelopeStartBytes.Length, true, timeoutHelper.RemainingTime());
}
}
else if (isRequest) // context handles response end bytes
{
endBytes = SingletonEncoder.EndBytes;
}
if (endBytes != null && endBytes.Length > 0)
{
await connection.WriteAsync(endBytes, 0, endBytes.Length,
true, timeoutHelper.RemainingTime());
}
}
