/// <summary>
/// Initializes a new instance of the <see cref="Http2OwinMessageHandler"/> class.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="end"></param>
/// <param name="transportInfo">The transport information.</param>
/// <param name="next">The next layer delegate.</param>
/// <param name="cancel">The cancellation token.</param>
public Http2OwinMessageHandler(DuplexStream stream, ConnectionEnd end, TransportInformation transportInfo,
AppFunc next, CancellationToken cancel)
: base(stream, end, stream.IsSecure, transportInfo, cancel)
{
_next = next;
stream.OnClose += delegate { Dispose(); };
}
/// <summary>
/// Initializes a new instance of the <see cref="Http2MessageHandler"/> class.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="end">TODO</param>
/// <param name="isSecure"></param>
/// <param name="transportInfo">The transport information.</param>
/// <param name="cancel">The cancel.</param>
protected Http2MessageHandler(Stream stream, ConnectionEnd end, bool isSecure,
TransportInformation transportInfo, CancellationToken cancel)
{
_isSecure = isSecure;
_transportInfo = transportInfo;
_isDisposed = false;
_cancToken = cancel;
_stream = stream;
_end = end;
_wereFirstSettingsSent = false;
}
public Http2ClientMessageHandler(DuplexStream stream, ConnectionEnd end, TransportInformation transportInfo, CancellationToken cancel)
: base(stream, end, stream.IsSecure, transportInfo, cancel)
{
_fileHelper = new FileHelper(ConnectionEnd.Client);
stream.OnClose += delegate { Dispose(); };
}
private TransportInformation GetTransportInfo(SecureSocket incomingClient)
{
var localEndPoint = (IPEndPoint)incomingClient.LocalEndPoint;
var remoteEndPoint = (IPEndPoint)incomingClient.RemoteEndPoint;
var transportInfo = new TransportInformation
{
LocalPort = localEndPoint.Port,
RemotePort = remoteEndPoint.Port,
};
// Side effect of using dual mode sockets, the IPv4 addresses look like 0::ffff:127.0.0.1.
if (localEndPoint.Address.IsIPv4MappedToIPv6)
{
transportInfo.LocalIpAddress = localEndPoint.Address.MapToIPv4().ToString();
}
else
{
transportInfo.LocalIpAddress = localEndPoint.Address.ToString();
}
if (remoteEndPoint.Address.IsIPv4MappedToIPv6)
{
transportInfo.RemoteIpAddress = remoteEndPoint.Address.MapToIPv4().ToString();
}
else
{
transportInfo.RemoteIpAddress = remoteEndPoint.Address.ToString();
}
return transportInfo;
}
private async void OpenHttp2Session(DuplexStream incomingClientStream,
TransportInformation transportInformation)
{
Http2Logger.LogDebug("Handshake successful");
using (var messageHandler = new Http2OwinMessageHandler(incomingClientStream, ConnectionEnd.Server, transportInformation, _next, _cancelClientHandling.Token))
{
try
{
await messageHandler.StartSessionAsync();
}
catch (Exception)
{
Http2Logger.LogError("Client was disconnected");
}
}
GC.Collect();
}
private void HandleRequest(DuplexStream incomingClient, string alpnSelectedProtocol,
TransportInformation transportInformation, bool backToHttp11)
{
//Server checks selected protocol and calls http2 or http11 layer
if (backToHttp11 || alpnSelectedProtocol == Protocols.Http1)
{
if (incomingClient.IsSecure)
Http2Logger.LogDebug("Ssl chose http11");
new Http11ProtocolOwinAdapter(incomingClient, _options.Protocol, _next).ProcessRequest();
return;
}
//ALPN selected http2. No need to perform upgrade handshake.
OpenHttp2Session(incomingClient, transportInformation);
}
