internal ControlConnection(Cluster cluster,
IEnumerable<IPAddress> clusterEndpoints,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider)
{
_cluster = cluster;
_reconnectionSchedule = _reconnectionPolicy.NewSchedule();
_reconnectionTimer = new Timer(ReconnectionClb, null, Timeout.Infinite, Timeout.Infinite);
var config = new Configuration
(
policies,
protocolOptions,
poolingOptions,
socketOptions,
clientOptions,
authProvider,
authInfoProvider,
new QueryOptions()
);
_session = new Session(cluster, config, "", ControlConnectionProtocolVersion);
}
internal CassandraConnection(Session owner, IPAddress serverAddress, ProtocolOptions protocolOptions,
SocketOptions socketOptions, ClientOptions clientOptions,
IAuthInfoProvider authInfoProvider)
{
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._asyncCallAbortTimeout = clientOptions.AsyncCallAbortTimeout;
this._socketOptions = socketOptions;
CreateConnection();
if (IsHealthy)
BeginReading();
}
/// <summary>
/// Creates a new instance. This class is also used to shareable a context across all instance that are created below one Cluster instance.
/// One configuration instance per Cluster instance.
/// </summary>
internal Configuration(Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider,
QueryOptions queryOptions,
IAddressTranslator addressTranslator)
{
if (addressTranslator == null)
{
throw new ArgumentNullException("addressTranslator");
}
if (queryOptions == null)
{
throw new ArgumentNullException("queryOptions");
}
_policies = policies;
_protocolOptions = protocolOptions;
_poolingOptions = poolingOptions;
_socketOptions = socketOptions;
_clientOptions = clientOptions;
_authProvider = authProvider;
_authInfoProvider = authInfoProvider;
_queryOptions = queryOptions;
_addressTranslator = addressTranslator;
}
/// <summary>
/// Creates a new instance. This class is also used to shareable a context across all instance that are created below one Cluster instance.
/// One configuration instance per Cluster instance.
/// </summary>
internal Configuration(Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider,
QueryOptions queryOptions,
IAddressTranslator addressTranslator,
IStartupOptionsFactory startupOptionsFactory,
ISessionFactoryBuilder <IInternalCluster, IInternalSession> sessionFactoryBuilder)
{
AddressTranslator = addressTranslator ?? throw new ArgumentNullException(nameof(addressTranslator));
QueryOptions = queryOptions ?? throw new ArgumentNullException(nameof(queryOptions));
Policies = policies;
ProtocolOptions = protocolOptions;
PoolingOptions = poolingOptions;
SocketOptions = socketOptions;
ClientOptions = clientOptions;
AuthProvider = authProvider;
AuthInfoProvider = authInfoProvider;
StartupOptionsFactory = startupOptionsFactory;
SessionFactoryBuilder = sessionFactoryBuilder;
// Create the buffer pool with 16KB for small buffers and 256Kb for large buffers.
// The pool does not eagerly reserve the buffers, so it doesn't take unnecessary memory
// to create the instance.
BufferPool = new RecyclableMemoryStreamManager(16 * 1024, 256 * 1024, ProtocolOptions.MaximumFrameLength);
Timer = new HashedWheelTimer();
}
internal Session(Cluster cluster,
IEnumerable <IPAddress> clusterEndpoints,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthInfoProvider authProvider,
bool metricsEnabled,
string keyspace,
Hosts hosts)
{
this._cluster = cluster;
this._protocolOptions = protocolOptions;
this._poolingOptions = poolingOptions;
this._socketOptions = socketOptions;
this._clientOptions = clientOptions;
this._authProvider = authProvider;
this._metricsEnabled = metricsEnabled;
this._policies = policies ?? Policies.DefaultPolicies;
_hosts = hosts;
foreach (var ep in clusterEndpoints)
{
_hosts.AddIfNotExistsOrBringUpIfDown(ep);
}
this._policies.LoadBalancingPolicy.Initialize(_cluster);
_keyspace = keyspace ?? clientOptions.DefaultKeyspace;
}
internal Session(Cluster cluster,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider,
string keyspace,
int binaryProtocolVersion)
{
_binaryProtocolVersion = binaryProtocolVersion;
_cluster = cluster;
_protocolOptions = protocolOptions;
_poolingOptions = poolingOptions;
_socketOptions = socketOptions;
_clientOptions = clientOptions;
_authProvider = authProvider;
_authInfoProvider = authInfoProvider;
Policies = policies ?? Policies.DefaultPolicies;
Policies.LoadBalancingPolicy.Initialize(_cluster);
_keyspace = keyspace ?? clientOptions.DefaultKeyspace;
Guid = Guid.NewGuid();
}
internal ControlConnection(Cluster cluster,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider,
IAddressTranslator addressTranslator)
{
_cluster = cluster;
_addressTranslator = addressTranslator;
_reconnectionSchedule = _reconnectionPolicy.NewSchedule();
_reconnectionTimer = new Timer(ReconnectionClb, null, Timeout.Infinite, Timeout.Infinite);
var config = new Configuration
(
policies,
protocolOptions,
poolingOptions,
socketOptions,
clientOptions,
authProvider,
authInfoProvider,
new QueryOptions(),
addressTranslator
);
_session = new Session(cluster, config, "", _controlConnectionProtocolVersion);
}
/// <summary>
/// Creates a new instance. This class is also used to shareable a context across all instance that are created below one Cluster instance.
/// One configuration instance per Cluster instance.
/// </summary>
internal Configuration(Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider,
QueryOptions queryOptions,
IAddressTranslator addressTranslator,
IStartupOptionsFactory startupOptionsFactory,
ISessionFactoryBuilder <IInternalCluster, IInternalSession> sessionFactoryBuilder,
IReadOnlyDictionary <string, IExecutionProfile> executionProfiles,
IRequestOptionsMapper requestOptionsMapper,
MetadataSyncOptions metadataSyncOptions,
IEndPointResolver endPointResolver,
IRequestHandlerFactory requestHandlerFactory = null,
IHostConnectionPoolFactory hostConnectionPoolFactory = null,
IRequestExecutionFactory requestExecutionFactory = null,
IConnectionFactory connectionFactory = null,
IControlConnectionFactory controlConnectionFactory = null,
IPrepareHandlerFactory prepareHandlerFactory = null,
ITimerFactory timerFactory = null)
{
AddressTranslator = addressTranslator ?? throw new ArgumentNullException(nameof(addressTranslator));
QueryOptions = queryOptions ?? throw new ArgumentNullException(nameof(queryOptions));
Policies = policies;
ProtocolOptions = protocolOptions;
PoolingOptions = poolingOptions;
SocketOptions = socketOptions;
ClientOptions = clientOptions;
AuthProvider = authProvider;
AuthInfoProvider = authInfoProvider;
StartupOptionsFactory = startupOptionsFactory;
SessionFactoryBuilder = sessionFactoryBuilder;
RequestOptionsMapper = requestOptionsMapper;
MetadataSyncOptions = metadataSyncOptions?.Clone() ?? new MetadataSyncOptions();
DnsResolver = new DnsResolver();
EndPointResolver = endPointResolver ?? new EndPointResolver(DnsResolver, protocolOptions);
RequestHandlerFactory = requestHandlerFactory ?? new RequestHandlerFactory();
HostConnectionPoolFactory = hostConnectionPoolFactory ?? new HostConnectionPoolFactory();
RequestExecutionFactory = requestExecutionFactory ?? new RequestExecutionFactory();
ConnectionFactory = connectionFactory ?? new ConnectionFactory();
ControlConnectionFactory = controlConnectionFactory ?? new ControlConnectionFactory();
PrepareHandlerFactory = prepareHandlerFactory ?? new PrepareHandlerFactory();
TimerFactory = timerFactory ?? new TaskBasedTimerFactory();
RequestOptions = RequestOptionsMapper.BuildRequestOptionsDictionary(executionProfiles, policies, socketOptions, clientOptions, queryOptions);
ExecutionProfiles = BuildExecutionProfilesDictionary(executionProfiles, RequestOptions);
// Create the buffer pool with 16KB for small buffers and 256Kb for large buffers.
// The pool does not eagerly reserve the buffers, so it doesn't take unnecessary memory
// to create the instance.
BufferPool = new RecyclableMemoryStreamManager(16 * 1024, 256 * 1024, ProtocolOptions.MaximumFrameLength);
Timer = new HashedWheelTimer();
}
internal ControlConnection(Cluster cluster,
IEnumerable<IPAddress> clusterEndpoints,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthInfoProvider authProvider)
{
this._cluster = cluster;
this._reconnectionSchedule = _reconnectionPolicy.NewSchedule();
this._reconnectionTimer = new Timer(ReconnectionClb, null, Timeout.Infinite, Timeout.Infinite);
_session = new Session(cluster, policies, protocolOptions, poolingOptions, socketOptions,
clientOptions, authProvider, "", false);
}
internal ControlConnection(Cluster cluster,
IEnumerable<IPAddress> clusterEndpoints,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthInfoProvider authProvider,
bool metricsEnabled)
{
this._cluster = cluster;
this._reconnectionTimer = new Timer(ReconnectionClb, null, Timeout.Infinite, Timeout.Infinite);
_session = new Session(cluster, clusterEndpoints, policies, protocolOptions, poolingOptions, socketOptions,
clientOptions, authProvider, metricsEnabled, "", _cluster._hosts);
}
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.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive,
_socketOptions.KeepAlive.Value);
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();
}
internal Session(Cluster cluster,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthInfoProvider authProvider,
string keyspace, bool init)
{
try
{
this._cluster = cluster;
this._protocolOptions = protocolOptions;
this._poolingOptions = poolingOptions;
this._socketOptions = socketOptions;
this._clientOptions = clientOptions;
this._authProvider = authProvider;
this._policies = policies ?? Policies.DefaultPolicies;
this._policies.LoadBalancingPolicy.Initialize(_cluster);
_keyspace = keyspace ?? clientOptions.DefaultKeyspace;
Guid = Guid.NewGuid();
_trashcanCleaner = new Timer(TranscanCleanup, null, Timeout.Infinite, Timeout.Infinite);
if (init)
{
var ci = this._policies.LoadBalancingPolicy.NewQueryPlan(null).GetEnumerator();
if (!ci.MoveNext())
{
var ex = new NoHostAvailableException(new Dictionary<IPAddress, List<Exception>>());
_logger.Error(ex.Message);
throw ex;
}
var triedHosts = new List<IPAddress>();
var innerExceptions = new Dictionary<IPAddress, List<Exception>>();
int streamId;
var con = Connect(ci, triedHosts, innerExceptions, out streamId);
con.FreeStreamId(streamId);
}
}
catch
{
InternalDispose();
throw;
}
}
internal Session(Cluster cluster,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthInfoProvider authProvider,
string keyspace)
{
this._cluster = cluster;
this._protocolOptions = protocolOptions;
this._poolingOptions = poolingOptions;
this._socketOptions = socketOptions;
this._clientOptions = clientOptions;
this._authProvider = authProvider;
this._policies = policies ?? Policies.DefaultPolicies;
this._policies.LoadBalancingPolicy.Initialize(_cluster);
_keyspace = keyspace ?? clientOptions.DefaultKeyspace;
}
/// <summary>
/// Creates a new instance. This class is also used to shareable a context across all instance that are created below one Cluster instance.
/// One configuration instance per Cluster instance.
/// </summary>
internal Configuration(Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthProvider authProvider,
IAuthInfoProvider authInfoProvider,
QueryOptions queryOptions,
IAddressTranslator addressTranslator,
IReadOnlyDictionary <string, IExecutionProfile> executionProfiles,
MetadataSyncOptions metadataSyncOptions,
IEndPointResolver endPointResolver,
IDriverMetricsProvider driverMetricsProvider,
DriverMetricsOptions metricsOptions,
string sessionName,
GraphOptions graphOptions,
Guid?clusterId,
string appVersion,
string appName,
MonitorReportingOptions monitorReportingOptions,
TypeSerializerDefinitions typeSerializerDefinitions,
bool?keepContactPointsUnresolved,
ISessionFactory sessionFactory = null,
IRequestOptionsMapper requestOptionsMapper = null,
IStartupOptionsFactory startupOptionsFactory = null,
IInsightsSupportVerifier insightsSupportVerifier = null,
IRequestHandlerFactory requestHandlerFactory = null,
IHostConnectionPoolFactory hostConnectionPoolFactory = null,
IRequestExecutionFactory requestExecutionFactory = null,
IConnectionFactory connectionFactory = null,
IControlConnectionFactory controlConnectionFactory = null,
IPrepareHandlerFactory prepareHandlerFactory = null,
ITimerFactory timerFactory = null,
IObserverFactoryBuilder observerFactoryBuilder = null,
IInsightsClientFactory insightsClientFactory = null,
IContactPointParser contactPointParser = null,
IServerNameResolver serverNameResolver = null,
IDnsResolver dnsResolver = null)
{
AddressTranslator = addressTranslator ?? throw new ArgumentNullException(nameof(addressTranslator));
QueryOptions = queryOptions ?? throw new ArgumentNullException(nameof(queryOptions));
GraphOptions = graphOptions ?? new GraphOptions();
ClusterId = clusterId ?? Guid.NewGuid();
ApplicationVersion = appVersion ?? Configuration.DefaultApplicationVersion;
ApplicationName = appName ?? Configuration.FallbackApplicationName;
ApplicationNameWasGenerated = appName == null;
Policies = policies;
ProtocolOptions = protocolOptions;
PoolingOptions = poolingOptions;
SocketOptions = socketOptions;
ClientOptions = clientOptions;
AuthProvider = authProvider;
AuthInfoProvider = authInfoProvider;
StartupOptionsFactory = startupOptionsFactory ?? new StartupOptionsFactory(ClusterId, ApplicationVersion, ApplicationName);
SessionFactory = sessionFactory ?? new SessionFactory();
RequestOptionsMapper = requestOptionsMapper ?? new RequestOptionsMapper();
MetadataSyncOptions = metadataSyncOptions?.Clone() ?? new MetadataSyncOptions();
DnsResolver = dnsResolver ?? new DnsResolver();
MetricsOptions = metricsOptions ?? new DriverMetricsOptions();
MetricsProvider = driverMetricsProvider ?? new NullDriverMetricsProvider();
SessionName = sessionName;
MetricsEnabled = driverMetricsProvider != null;
TypeSerializers = typeSerializerDefinitions?.Definitions;
KeepContactPointsUnresolved = keepContactPointsUnresolved ?? false;
ObserverFactoryBuilder = observerFactoryBuilder ?? (MetricsEnabled ? (IObserverFactoryBuilder) new MetricsObserverFactoryBuilder() : new NullObserverFactoryBuilder());
RequestHandlerFactory = requestHandlerFactory ?? new RequestHandlerFactory();
HostConnectionPoolFactory = hostConnectionPoolFactory ?? new HostConnectionPoolFactory();
RequestExecutionFactory = requestExecutionFactory ?? new RequestExecutionFactory();
ConnectionFactory = connectionFactory ?? new ConnectionFactory();
ControlConnectionFactory = controlConnectionFactory ?? new ControlConnectionFactory();
PrepareHandlerFactory = prepareHandlerFactory ?? new PrepareHandlerFactory();
TimerFactory = timerFactory ?? new TaskBasedTimerFactory();
RequestOptions = RequestOptionsMapper.BuildRequestOptionsDictionary(executionProfiles, policies, socketOptions, clientOptions, queryOptions, GraphOptions);
ExecutionProfiles = BuildExecutionProfilesDictionary(executionProfiles, RequestOptions);
MonitorReportingOptions = monitorReportingOptions ?? new MonitorReportingOptions();
InsightsSupportVerifier = insightsSupportVerifier ?? Configuration.DefaultInsightsSupportVerifier;
InsightsClientFactory = insightsClientFactory ?? Configuration.DefaultInsightsClientFactory;
ServerNameResolver = serverNameResolver ?? new ServerNameResolver(ProtocolOptions);
EndPointResolver = endPointResolver ?? new EndPointResolver(ServerNameResolver);
ContactPointParser = contactPointParser ?? new ContactPointParser(DnsResolver, ProtocolOptions, ServerNameResolver, KeepContactPointsUnresolved);
// Create the buffer pool with 16KB for small buffers and 256Kb for large buffers.
// The pool does not eagerly reserve the buffers, so it doesn't take unnecessary memory
// to create the instance.
BufferPool = new RecyclableMemoryStreamManager(16 * 1024, 256 * 1024, ProtocolOptions.MaximumFrameLength);
Timer = new HashedWheelTimer();
}
internal Session(Cluster cluster,
IEnumerable<IPAddress> clusterEndpoints,
Policies policies,
ProtocolOptions protocolOptions,
PoolingOptions poolingOptions,
SocketOptions socketOptions,
ClientOptions clientOptions,
IAuthInfoProvider authProvider,
bool metricsEnabled,
string keyspace,
Hosts hosts,ControlConnection controlConnection=null)
{
this._cluster = cluster;
this._protocolOptions = protocolOptions;
this._poolingOptions = poolingOptions;
this._socketOptions = socketOptions;
this._clientOptions = clientOptions;
this._authProvider = authProvider;
this._metricsEnabled = metricsEnabled;
this._policies = policies ?? Policies.DefaultPolicies;
_hosts = hosts ;
this._controlConnection = controlConnection;
foreach (var ep in clusterEndpoints)
_hosts.AddIfNotExistsOrBringUpIfDown(ep, this._policies.ReconnectionPolicy);
this._policies.LoadBalancingPolicy.Initialize(_cluster);
_keyspace = keyspace ?? clientOptions.DefaultKeyspace;
}
internal CassandraConnection(ISession owner, IPAddress serverAddress, ProtocolOptions protocolOptions,
SocketOptions socketOptions, ClientOptions clientOptions,
IAuthProvider authProvider, IAuthInfoProvider authInfoProvider, int protocolVersion)
{
if (protocolVersion == 1)
{
_binaryProtocolRequestVersionByte = RequestFrame.ProtocolV1RequestVersionByte;
_binaryProtocolResponseVersionByte = ResponseFrame.ProtocolV1ResponseVersionByte;
}
Guid = Guid.NewGuid();
_owner = owner;
_bufferingMode = null;
switch (protocolOptions.Compression)
{
case CompressionType.LZ4:
_bufferingMode = new FrameBuffering();
break;
case CompressionType.Snappy:
_bufferingMode = new FrameBuffering();
break;
case CompressionType.NoCompression:
_bufferingMode = clientOptions.WithoutRowSetBuffering ? new NoBuffering() : new FrameBuffering();
break;
default:
throw new ArgumentException();
}
_authProvider = authProvider;
_authInfoProvider = authInfoProvider;
if (protocolOptions.Compression == CompressionType.Snappy)
{
_startupOptions.Add("COMPRESSION", "snappy");
_compressor = new SnappyProtoBufCompressor();
}
else if (protocolOptions.Compression == CompressionType.LZ4)
{
_startupOptions.Add("COMPRESSION", "lz4");
_compressor = new LZ4ProtoBufCompressor();
}
_serverAddress = serverAddress;
_port = protocolOptions.Port;
_queryAbortTimeout = clientOptions.QueryAbortTimeout;
_socketOptions = socketOptions;
for (int i = 0; i <= sbyte.MaxValue; i++)
{
_freeStreamIDs.Push(i);
}
_protocolErrorHandlerAction = param =>
{
if (param.AbstractResponse is ErrorResponse)
{
JobFinished(
param.Jar,
(param.AbstractResponse as ErrorResponse).Output);
}
};
_frameEventCallback.Value = EventOccured;
_buffer = new[]
{
new byte[_bufferingMode.PreferedBufferSize()],
new byte[_bufferingMode.PreferedBufferSize()]
};
var newSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (_socketOptions.KeepAlive != null)
{
newSock.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive,
_socketOptions.KeepAlive.Value);
}
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;
}
var connectionResult = newSock.BeginConnect(_serverAddress, _port, null, null);
connectionResult.AsyncWaitHandle.WaitOne(_socketOptions.ConnectTimeoutMillis);
if (!newSock.Connected)
{
//The socket is still open
newSock.Close();
throw new SocketException((int)SocketError.TimedOut);
}
_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 address {0}. Using the IP address instead of the hostname. This may cause RemoteCertificateNameMismatch error during Cassandra host authentication. Note that the Cassandra node SSL certificate's CN(Common Name) must match the Cassandra node hostname.",
_serverAddress), ex);
}
_socketStream = new SslStream(new NetworkStream(_socket), false, protocolOptions.SslOptions.RemoteCertValidationCallback, null);
(_socketStream as SslStream).AuthenticateAsClient(targetHost, new X509CertificateCollection(), protocolOptions.SslOptions.SslProtocol,
false);
}
if (IsHealthy)
{
BeginReading();
}
}