private async Task <NodeGreetingMessage> ReadGreetingAsync(CancellationToken cancellationToken)
{
var read = await _streamSocket.ReadAsync(_singleByteBuffer, 0, 1, cancellationToken).ConfigureAwait(false);
if (read == 0)
{
throw new RedFoxProtocolException("Error receiving greeting message from remote machine");
}
var headerLength = _singleByteBuffer[0];
var header = new byte[headerLength];
var offset = 0;
while (headerLength - offset > 0)
{
read = await _streamSocket.ReadAsync(header, offset, headerLength - offset, cancellationToken);
if (read == 0)
{
throw new RedFoxProtocolException("Error receiving greeting message from remote machine");
}
offset += read;
}
return(NodeGreetingMessage.DeserializeWithoutLength(header));
}
private static async Task<byte[]> ReadHeaderAsync(IStreamSocket socket, CancellationToken cancellationToken)
{
var header = new byte[6];
var offset = 0;
while (offset < header.Length)
{
var read = await socket.ReadAsync(header, 0, header.Length, cancellationToken);
if (read == 0) throw new EndOfStreamException();
offset += read;
}
return header;
}
private static async Task<byte[]> ReadBodyAsync(IStreamSocket socket, int length, CancellationToken cancellationToken)
{
var rawMessage = new byte[length];
var offset = 0;
while (offset < length)
{
var read = await socket.ReadAsync(rawMessage, offset, rawMessage.Length - offset, cancellationToken);
if (read == 0) throw new EndOfStreamException();
offset += read;
}
return rawMessage;
}
private static async Task <byte[]> ReadHeaderAsync(IStreamSocket socket, CancellationToken cancellationToken)
{
var header = new byte[6];
var offset = 0;
while (offset < header.Length)
{
var read = await socket.ReadAsync(header, 0, header.Length, cancellationToken);
if (read == 0)
{
throw new EndOfStreamException();
}
offset += read;
}
return(header);
}
private static async Task <byte[]> ReadBodyAsync(IStreamSocket socket, int length, CancellationToken cancellationToken)
{
var rawMessage = new byte[length];
var offset = 0;
while (offset < length)
{
var read = await socket.ReadAsync(rawMessage, offset, rawMessage.Length - offset, cancellationToken);
if (read == 0)
{
throw new EndOfStreamException();
}
offset += read;
}
return(rawMessage);
}