internal CassandraConnection(Session owner, IPAddress serverAddress, ProtocolOptions protocolOptions,
SocketOptions socketOptions, ClientOptions clientOptions,
IAuthInfoProvider authInfoProvider)
{
this.Guid = Guid.NewGuid();
this._owner = owner;
_bufferingMode = null;
switch (protocolOptions.Compression)
{
case CompressionType.Snappy:
_bufferingMode = new FrameBuffering();
break;
case CompressionType.NoCompression:
_bufferingMode = clientOptions.WithoutRowSetBuffering ? new NoBuffering() : new FrameBuffering();
break;
default:
throw new ArgumentException();
}
this._authInfoProvider = authInfoProvider;
if (protocolOptions.Compression == CompressionType.Snappy)
{
_startupOptions.Add("COMPRESSION", "snappy");
_compressor = new SnappyProtoBufCompressor();
}
this._serverAddress = serverAddress;
this._port = protocolOptions.Port;
this._queryAbortTimeout = clientOptions.QueryAbortTimeout;
this._socketOptions = socketOptions;
for (int i = 0; i <= sbyte.MaxValue; i++)
_freeStreamIDs.Push(i);
_protocolErrorHandlerAction = new Action<ErrorActionParam>((param) =>
{
if (param.AbstractResponse is ErrorResponse)
JobFinished(
param.Jar,
(param.AbstractResponse as ErrorResponse).Output);
});
_frameEventCallback.Value = new Action<ResponseFrame>(EventOccured);
_buffer = new byte[][] {
new byte[_bufferingMode.PreferedBufferSize()],
new byte[_bufferingMode.PreferedBufferSize()] };
var newSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (_socketOptions.KeepAlive != null)
newSock.SetKeepAliveValues(_socketOptions.KeepAlive.Value, (uint)_socketOptions.KeepAliveInterval.TotalMilliseconds, (uint)_socketOptions.KeepAliveInterval.TotalMilliseconds);
newSock.SendTimeout = _socketOptions.ConnectTimeoutMillis;
if (_socketOptions.SoLinger != null)
newSock.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Linger,
new LingerOption(true, _socketOptions.SoLinger.Value));
if (_socketOptions.ReceiveBufferSize != null)
newSock.ReceiveBufferSize = _socketOptions.ReceiveBufferSize.Value;
if (_socketOptions.SendBufferSize != null)
newSock.ReceiveBufferSize = _socketOptions.SendBufferSize.Value;
if (_socketOptions.TcpNoDelay != null)
newSock.NoDelay = _socketOptions.TcpNoDelay.Value;
newSock.Connect(new IPEndPoint(_serverAddress, _port));
_socket = newSock;
_bufferingMode.Reset();
if (protocolOptions.SslOptions == null)
_socketStream = new NetworkStream(_socket);
else
{
string targetHost;
try
{
targetHost = Dns.GetHostEntry(_serverAddress).HostName;
}
catch (SocketException ex)
{
targetHost = serverAddress.ToString();
_logger.Error(string.Format("SSL connection: Can not resolve {0} address. Using IP address instead of hostname. This may cause RemoteCertificateNameMismatch error during Cassandra host authentication. Note that Cassandra node SSL certificate's CN(Common Name) must match the Cassandra node hostname.", _serverAddress.ToString()), ex);
}
_socketStream = new SslStream(new NetworkStream(_socket), false, new RemoteCertificateValidationCallback(protocolOptions.SslOptions.RemoteCertValidationCallback), null);
(_socketStream as SslStream).AuthenticateAsClient(targetHost, new X509CertificateCollection(), protocolOptions.SslOptions.SslProtocol, false);
}
if (IsHealthy)
BeginReading();
}
