public HttpParser(HttpParserType type, IHttpParserHandler handler)
{
_type = type;
_handler = handler;
_parser = new UnmanagedMemory(HttpParserNative.Size());
_settings = SetupParserSettings();
Init();
}
private void EnsureSuccess()
{
var error = HttpParserNative.ErrorMessageString(_parser.IntPtr);
if (!error.Equals(Success, StringComparison.InvariantCulture))
{
throw new HttpParserException(error);
}
}
public void Execute(ArraySegment <byte> buffer)
{
_buffer = buffer;
using (var pin = new BytePin(_buffer.Array))
{
_bufferPinPtr = pin[_buffer.Offset];
var lengthPtr = new UIntPtr((uint)_buffer.Count);
var parsedPtr = HttpParserNative.Execute(_parser.IntPtr,
ref _settings, _bufferPinPtr, lengthPtr);
EnsureSuccess();
var parsed = (int)parsedPtr.ToUInt32();
var length = (int)lengthPtr.ToUInt32();
if (parsed != length)
{
throw new HttpParserException("unable to parse");
}
}
}
public bool ShouldKeepAlive()
{
return(HttpParserNative.ShouldKeepAlive(_parser.IntPtr) != 0);
}
public void Init()
{
HttpParserNative.Init(_parser.IntPtr, _type);
}