internal override ValueTask ConnectAsync(CancellationToken cancellationToken = default)
{
ThrowIfDisposed();
if (_configuration is null)
{
throw new Exception($"{nameof(ConnectAsync)} must not be called on a connection obtained from a listener.");
}
(string address, int port) = _remoteEndPoint switch
{
DnsEndPoint dnsEp => (dnsEp.Host, dnsEp.Port),
IPEndPoint ipEp => (ipEp.Address.ToString(), ipEp.Port),
_ => throw new Exception($"Unsupported remote endpoint type '{_remoteEndPoint.GetType()}'.")
};
QUIC_ADDRESS_FAMILY af = _remoteEndPoint.AddressFamily switch
{
AddressFamily.Unspecified => QUIC_ADDRESS_FAMILY.UNSPEC,
AddressFamily.InterNetwork => QUIC_ADDRESS_FAMILY.INET,
AddressFamily.InterNetworkV6 => QUIC_ADDRESS_FAMILY.INET6,
_ => throw new Exception(SR.Format(SR.net_quic_unsupported_address_family, _remoteEndPoint.AddressFamily))
};
Debug.Assert(_state.StateGCHandle.IsAllocated);
_state.Connection = this;
try
{
uint status = MsQuicApi.Api.ConnectionStartDelegate(
_state.Handle,
_configuration,
af,
address,
(ushort)port);
QuicExceptionHelpers.ThrowIfFailed(status, "Failed to connect to peer.");
// this handle is ref counted by MsQuic, so safe to dispose here.
_configuration.Dispose();
_configuration = null;
}
catch
{
_state.StateGCHandle.Free();
_state.Connection = null;
throw;
}
return(new ValueTask(_state.ConnectTcs.Task));
}
internal override ValueTask ConnectAsync(CancellationToken cancellationToken = default)
{
ThrowIfDisposed();
if (_configuration is null)
{
throw new Exception($"{nameof(ConnectAsync)} must not be called on a connection obtained from a listener.");
}
QUIC_ADDRESS_FAMILY af = _remoteEndPoint.AddressFamily switch
{
AddressFamily.Unspecified => QUIC_ADDRESS_FAMILY.UNSPEC,
AddressFamily.InterNetwork => QUIC_ADDRESS_FAMILY.INET,
AddressFamily.InterNetworkV6 => QUIC_ADDRESS_FAMILY.INET6,
_ => throw new Exception(SR.Format(SR.net_quic_unsupported_address_family, _remoteEndPoint.AddressFamily))
};
Debug.Assert(_state.StateGCHandle.IsAllocated);
_state.Connection = this;
uint status;
string targetHost;
int port;
if (_remoteEndPoint is IPEndPoint)
{
SOCKADDR_INET address = MsQuicAddressHelpers.IPEndPointToINet((IPEndPoint)_remoteEndPoint);
unsafe
{
Debug.Assert(!Monitor.IsEntered(_state));
status = MsQuicApi.Api.SetParamDelegate(_state.Handle, QUIC_PARAM_LEVEL.CONNECTION, (uint)QUIC_PARAM_CONN.REMOTE_ADDRESS, (uint)sizeof(SOCKADDR_INET), (byte *)&address);
QuicExceptionHelpers.ThrowIfFailed(status, "Failed to connect to peer.");
}
targetHost = _state.TargetHost ?? ((IPEndPoint)_remoteEndPoint).Address.ToString();
port = ((IPEndPoint)_remoteEndPoint).Port;
}
else if (_remoteEndPoint is DnsEndPoint)
{
// We don't have way how to set separate SNI and name for connection at this moment.
targetHost = ((DnsEndPoint)_remoteEndPoint).Host;
port = ((DnsEndPoint)_remoteEndPoint).Port;
}
else
{
throw new Exception($"Unsupported remote endpoint type '{_remoteEndPoint.GetType()}'.");
}
// We store TCS to local variable to avoid NRE if callbacks finish fast and set _state.ConnectTcs to null.
var tcs = _state.ConnectTcs = new TaskCompletionSource <uint>(TaskCreationOptions.RunContinuationsAsynchronously);
try
{
Debug.Assert(!Monitor.IsEntered(_state));
status = MsQuicApi.Api.ConnectionStartDelegate(
_state.Handle,
_configuration,
af,
targetHost,
(ushort)port);
QuicExceptionHelpers.ThrowIfFailed(status, "Failed to connect to peer.");
// this handle is ref counted by MsQuic, so safe to dispose here.
_configuration.Dispose();
_configuration = null;
}
catch
{
_state.StateGCHandle.Free();
_state.Connection = null;
throw;
}
return(new ValueTask(tcs.Task));
}
internal override ValueTask ConnectAsync(CancellationToken cancellationToken = default)
{
ThrowIfDisposed();
if (_configuration is null)
{
throw new InvalidOperationException($"{nameof(ConnectAsync)} must not be called on a connection obtained from a listener.");
}
QUIC_ADDRESS_FAMILY af = _remoteEndPoint.AddressFamily switch
{
AddressFamily.Unspecified => QUIC_ADDRESS_FAMILY.UNSPEC,
AddressFamily.InterNetwork => QUIC_ADDRESS_FAMILY.INET,
AddressFamily.InterNetworkV6 => QUIC_ADDRESS_FAMILY.INET6,
_ => throw new ArgumentException(SR.Format(SR.net_quic_unsupported_address_family, _remoteEndPoint.AddressFamily))
};
Debug.Assert(_state.StateGCHandle.IsAllocated);
_state.Connection = this;
uint status;
string targetHost;
int port;
if (_remoteEndPoint is IPEndPoint ipEndPoint)
{
Debug.Assert(!Monitor.IsEntered(_state), "!Monitor.IsEntered(_state)");
MsQuicParameterHelpers.SetIPEndPointParam(MsQuicApi.Api, _state.Handle, (uint)QUIC_PARAM_CONN.REMOTE_ADDRESS, ipEndPoint);
targetHost = _state.TargetHost ?? ((IPEndPoint)_remoteEndPoint).Address.ToString();
port = ((IPEndPoint)_remoteEndPoint).Port;
}
else if (_remoteEndPoint is DnsEndPoint dnsEndPoint)
{
port = dnsEndPoint.Port;
string dnsHost = dnsEndPoint.Host !;
// We don't have way how to set separate SNI and name for connection at this moment.
// If the name is actually IP address we can use it to make at least some cases work for people
// who want to bypass DNS but connect to specific virtual host.
if (!string.IsNullOrEmpty(_state.TargetHost) && !dnsHost.Equals(_state.TargetHost, StringComparison.InvariantCultureIgnoreCase) && IPAddress.TryParse(dnsHost, out IPAddress? address))
{
// This is form of IPAddress and _state.TargetHost is set to different string
Debug.Assert(!Monitor.IsEntered(_state), "!Monitor.IsEntered(_state)");
MsQuicParameterHelpers.SetIPEndPointParam(MsQuicApi.Api, _state.Handle, (uint)QUIC_PARAM_CONN.REMOTE_ADDRESS, new IPEndPoint(address, port));
targetHost = _state.TargetHost !;
}
else
{
targetHost = dnsHost;
}
}
else
{
throw new ArgumentException($"Unsupported remote endpoint type '{_remoteEndPoint.GetType()}'.");
}
// We store TCS to local variable to avoid NRE if callbacks finish fast and set _state.ConnectTcs to null.
var tcs = _state.ConnectTcs = new TaskCompletionSource <uint>(TaskCreationOptions.RunContinuationsAsynchronously);
try
{
Debug.Assert(!Monitor.IsEntered(_state), "!Monitor.IsEntered(_state)");
status = MsQuicApi.Api.ConnectionStartDelegate(
_state.Handle,
_configuration,
af,
targetHost,
(ushort)port);
QuicExceptionHelpers.ThrowIfFailed(status, "Failed to connect to peer.");
// this handle is ref counted by MsQuic, so safe to dispose here.
_configuration.Dispose();
_configuration = null;
}
catch
{
_state.Connection = null;
throw;
}
return(new ValueTask(tcs.Task));
}