/// <summary>
/// Parser method to copy all body bytes.
/// </summary>
/// <param name="reader"> </param>
/// <returns></returns>
/// <remarks>Needed since a TCP packet can contain multiple messages
/// after each other, or partial messages.</remarks>
private bool ParseBody(IBufferReader reader)
{
if (reader.RemainingLength == 0)
{
return(false);
}
if (_currentMessage.Body == null)
{
if (_currentMessage.ContentLength > _bufferSize)
{
_currentMessage.Body =
new FileStream(
Path.Combine(Path.GetTempPath(), "http." + Guid.NewGuid().ToString("N") + ".tmp"),
FileMode.CreateNew);
}
else
{
var slice = _bufferPool.Pop();
_currentMessage.Body = new SliceStream(slice);
}
}
var bytesLeft =
(int)Math.Min(_currentMessage.ContentLength - _currentMessage.Body.Length, reader.RemainingLength);
reader.CopyTo(_currentMessage.Body, bytesLeft);
return(_currentMessage.Body.Length == _currentMessage.ContentLength);
}
/// <summary>
/// Append more bytes to your message building
/// </summary>
/// <param name="reader">Contains bytes which was received from the other end</param>
/// <returns><c>true</c> if a complete message has been built; otherwise <c>false</c>.</returns>
/// <remarks>You must handle/read everything which is available in the buffer</remarks>
public bool Append(IBufferReader reader)
{
_headerParser.Parse(reader);
if (_bodyBytestLeft > 0)
{
var bytesToRead = Math.Min(reader.RemainingLength, _bodyBytestLeft);
reader.CopyTo(_bodyStream, bytesToRead);
_bodyBytestLeft -= bytesToRead;
if (_bodyBytestLeft == 0)
{
_bodyStream.Position = 0;
_messages.Enqueue(_message);
_message = null;
}
if (reader.RemainingLength > 0)
{
_headerParser.Parse(reader);
}
}
return _messages.Count > 0;
}
/// <summary>
/// Read all body bytes from the incoming buffer
/// </summary>
/// <param name="reader">Contains received bytes</param>
/// <returns><c>false</c> if we have not received all bytes yet; otherwise <c>true</c>.</returns>
protected virtual bool ReadBodyBytes(IBufferReader reader)
{
var bytesLeftInStream = reader.Count - reader.Position;
var bytesToCopy = bytesLeftInStream < _bytesLeft
? bytesLeftInStream
: _bytesLeft;
reader.CopyTo(_packet.Message, bytesToCopy);
_bytesLeft -= bytesToCopy;
if (_bytesLeft > 0)
{
return(false);
}
_packet.Message.Position = 0;
_messages.Enqueue(_packet);
_packet = null;
_bytesLeft = Packet.HeaderLength;
_parserMethod = ReadHeaderBytes;
return(true);
}
/// <summary>
/// Append more bytes to your message building
/// </summary>
/// <param name="reader">Contains bytes which was received from the other end</param>
/// <returns><c>true</c> if a complete message has been built; otherwise <c>false</c>.</returns>
/// <remarks>You must handle/read everything which is available in the buffer</remarks>
public bool Append(IBufferReader reader)
{
this.headerParser.Parse(reader);
if (this.bodyBytestLeft > 0)
{
var bytesToRead = Math.Min(reader.RemainingLength, this.bodyBytestLeft);
reader.CopyTo(this.bodyStream, bytesToRead);
this.bodyBytestLeft -= bytesToRead;
if (this.bodyBytestLeft == 0)
{
this.bodyStream.Position = 0;
this.messages.Enqueue(this.message);
this.message = null;
}
if (reader.RemainingLength > 0)
{
this.headerParser.Parse(reader);
}
}
return(this.messages.Count > 0);
}
/// <summary>
/// Read all body bytes from the incoming buffer
/// </summary>
/// <param name="reader">Contains received bytes</param>
/// <returns><c>false</c> if we have not received all bytes yet; otherwise <c>true</c>.</returns>
protected virtual bool ReadBodyBytes(IBufferReader reader)
{
var bytesLeftInStream = reader.Count - reader.Position;
var bytesToCopy = bytesLeftInStream < _bytesLeft
? bytesLeftInStream
: _bytesLeft;
reader.CopyTo(_packet.Message, bytesToCopy);
_bytesLeft -= bytesToCopy;
if (_bytesLeft > 0)
return false;
_packet.Message.Position = 0;
_messages.Enqueue(_packet);
_packet = null;
_bytesLeft = Packet.HeaderLength;
_parserMethod = ReadHeaderBytes;
return true;
}
/// <summary>
/// Parser method to copy all body bytes.
/// </summary>
/// <param name="reader"> </param>
/// <returns></returns>
/// <remarks>Needed since a TCP packet can contain multiple messages
/// after each other, or partial messages.</remarks>
private bool ParseBody(IBufferReader reader)
{
if (reader.RemainingLength == 0)
return false;
if (_currentMessage.Body == null)
{
if (_currentMessage.ContentLength > _bufferSize)
_currentMessage.Body =
new FileStream(
Path.Combine(Path.GetTempPath(), "http." + Guid.NewGuid().ToString("N") + ".tmp"),
FileMode.CreateNew);
else
{
var slice = _bufferPool.Pop();
_currentMessage.Body = new SliceStream(slice);
}
}
var bytesLeft =
(int) Math.Min(_currentMessage.ContentLength - _currentMessage.Body.Length, reader.RemainingLength);
reader.CopyTo(_currentMessage.Body, bytesLeft);
return _currentMessage.Body.Length == _currentMessage.ContentLength;
}
/// <summary>
/// Synchronously reads the bytes from the current <see cref="IBufferReader{Byte}"/> and writes them to a Stream
/// </summary>
/// <param name="source">The current buffer reader to read from</param>
/// <param name="target">The stream to write to</param>
public static void CopyTo(this IBufferReader <byte> source, Stream target) => source.CopyTo(target, 81920); // Same buffer size as Stream.CopyTo
