/// <inheritdoc/>
public UdpActions DetectRequestType(ReadOnlySpan <byte> bytes)
{
if (bytes.Length < 8)
{
return(UdpActions.Unknown);
}
var protoOrConnectionId = _util.GetLong(bytes.Slice(0, 8));
if (protoOrConnectionId == UdpConstants.ProtocolId)
{
return(ValidateConnectRequest(bytes) ? UdpActions.Connect : UdpActions.Unknown);
}
if (bytes.Length < 12)
{
return(UdpActions.Unknown);
}
var action = _util.GetInt(bytes.Slice(8, 4));
switch (action)
{
case (int)UdpActions.Announce:
return(ValidateAnnounceRequest(bytes) ? UdpActions.Announce : UdpActions.Unknown);
case (int)UdpActions.Scrape:
return(ValidateScrapeRequest(bytes) ? UdpActions.Scrape : UdpActions.Unknown);
default:
return(UdpActions.Unknown);
}
}
/// <inheritdoc/>
public ConnectResponse DeserializeConnectResponse(ReadOnlySpan <byte> bytes)
{
if (_validator != null && !_validator.ValidateConnectResponse(bytes))
{
throw new ArgumentException(MalformedFormat);
}
var transactionId = _util.GetInt(bytes.Slice(4, 4));
var connectionId = _util.GetLong(bytes.Slice(8, 8));
return(new ConnectResponse(connectionId, transactionId));
}
