public async Task ConnectAsync(CancellationToken cancellationToken)
{
var socket = await _socket.ConnectAsync(cancellationToken);
if (ReferenceEquals(_tcpSocket, socket))
{
return;
}
Interlocked.Exchange(ref _stream, null)?.Dispose();
try {
_stream = new NetworkStream(socket, true);
var sslStream = new SslStream(
_stream,
false,
_sslConfiguration.RemoteCertificateValidationCallback,
_sslConfiguration.LocalCertificateSelectionCallback,
_sslConfiguration.EncryptionPolicy
);
_stream = sslStream;
_log.Verbose(() => LogEvent.Create($"Attempting SSL connection to {_endpoint.Host}, SslProtocol:{_sslConfiguration.EnabledProtocols}, Policy:{_sslConfiguration.EncryptionPolicy}"));
await sslStream.AuthenticateAsClientAsync(_endpoint.Host, _sslConfiguration.LocalCertificates, _sslConfiguration.EnabledProtocols, _sslConfiguration.CheckCertificateRevocation).ThrowIfCancellationRequested(cancellationToken).ConfigureAwait(false);
_stream = sslStream;
_log.Info(() => LogEvent.Create($"Successful SSL connection, SslProtocol:{sslStream.SslProtocol}, KeyExchange:{sslStream.KeyExchangeAlgorithm}.{sslStream.KeyExchangeStrength}, Cipher:{sslStream.CipherAlgorithm}.{sslStream.CipherStrength}, Hash:{sslStream.HashAlgorithm}.{sslStream.HashStrength}, Authenticated:{sslStream.IsAuthenticated}, MutuallyAuthenticated:{sslStream.IsMutuallyAuthenticated}, Encrypted:{sslStream.IsEncrypted}, Signed:{sslStream.IsSigned}"));
_tcpSocket = socket;
} catch (Exception ex) {
_log.Warn(() => LogEvent.Create(ex, "SSL connection failed"));
Interlocked.Exchange(ref _stream, null)?.Dispose();
}
}
public async Task ConnectAsync(CancellationToken cancellationToken)
{
_tcpSocket = await _socket.ConnectAsync(cancellationToken);
}