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);
}
/// <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;
}
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);
}
private Cluster(IEnumerable<IPAddress> contactPoints, Configuration configuration)
{
_contactPoints = contactPoints;
_configuration = configuration;
_metadata = new Metadata(configuration.Policies.ReconnectionPolicy);
var controlpolicies = new Policies(
_configuration.Policies.LoadBalancingPolicy,
new ExponentialReconnectionPolicy(2*1000, 5*60*1000),
Policies.DefaultRetryPolicy);
foreach (IPAddress ep in _contactPoints)
Metadata.AddHost(ep);
//Use 1 connection per host
//The connection will be reused, it wont create a connection per host.
var controlPoolingOptions = new PoolingOptions()
.SetCoreConnectionsPerHost(HostDistance.Local, 1)
.SetMaxConnectionsPerHost(HostDistance.Local, 1)
.SetMinSimultaneousRequestsPerConnectionTreshold(HostDistance.Local, 0)
.SetMaxSimultaneousRequestsPerConnectionTreshold(HostDistance.Local, 127);
var controlConnection = new ControlConnection
(this,
new List<IPAddress>(),
controlpolicies,
new ProtocolOptions(_configuration.ProtocolOptions.Port, configuration.ProtocolOptions.SslOptions),
controlPoolingOptions,
_configuration.SocketOptions,
new ClientOptions(true, _configuration.ClientOptions.QueryAbortTimeout, null),
_configuration.AuthProvider,
_configuration.AuthInfoProvider
);
_metadata.SetupControllConnection(controlConnection);
_binaryProtocolVersion = controlConnection.ProtocolVersion;
_logger.Info("Binary protocol version: [" + _binaryProtocolVersion + "]");
}
/// <summary>
/// The configuration that will be used for the new cluster. <p> You <b>should
/// not</b> modify this object directly as change made to the returned object may
/// not be used by the cluster build. Instead, you should use the other methods
/// of this <code>Builder</code></p>.
/// </summary>
///
/// <returns>the configuration to use for the new cluster.</returns>
public Configuration GetConfiguration()
{
var policies = new Policies(
_loadBalancingPolicy ?? Cassandra.Policies.DefaultLoadBalancingPolicy,
_reconnectionPolicy ?? Cassandra.Policies.DefaultReconnectionPolicy,
_retryPolicy ?? Cassandra.Policies.DefaultRetryPolicy
);
return new Configuration(policies,
new ProtocolOptions(_port).SetCompression(_compression),
_poolingOptions,
_socketOptions,
new ClientOptions(_withoutRowSetBuffering, _queryAbortTimeout, _defaultKeyspace, _asyncCallAbortTimeout),
_authProvider
);
}
/// <summary>
/// The configuration that will be used for the new cluster. <p> You <b>should
/// not</b> modify this object directly as change made to the returned object may
/// not be used by the cluster build. Instead, you should use the other methods
/// of this <c>Builder</c></p>.
/// </summary>
///
/// <returns>the configuration to use for the new cluster.</returns>
public Configuration GetConfiguration()
{
var policies = new Policies(
_loadBalancingPolicy ?? Policies.DefaultLoadBalancingPolicy,
_reconnectionPolicy ?? Policies.DefaultReconnectionPolicy,
_retryPolicy ?? Policies.DefaultRetryPolicy
);
return new Configuration(policies,
new ProtocolOptions(_port, _sslOptions).SetCompression(_compression).SetCustomCompressor(_customCompressor),
_poolingOptions,
_socketOptions,
new ClientOptions(_withoutRowSetBuffering, _queryAbortTimeout, _defaultKeyspace),
_authProvider,
_authInfoProvider,
_queryOptions,
_addressTranslator
);
}
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,
IStartupOptionsFactory startupOptionsFactory,
ISessionFactoryBuilder <IInternalCluster, IInternalSession> sessionFactoryBuilder,
IReadOnlyDictionary <string, IExecutionProfile> executionProfiles,
IRequestOptionsMapper requestOptionsMapper,
MetadataSyncOptions metadataSyncOptions,
IEndPointResolver endPointResolver,
IDriverMetricsProvider driverMetricsProvider,
DriverMetricsOptions metricsOptions,
string sessionName,
IRequestHandlerFactory requestHandlerFactory = null,
IHostConnectionPoolFactory hostConnectionPoolFactory = null,
IRequestExecutionFactory requestExecutionFactory = null,
IConnectionFactory connectionFactory = null,
IControlConnectionFactory controlConnectionFactory = null,
IPrepareHandlerFactory prepareHandlerFactory = null,
ITimerFactory timerFactory = null,
IObserverFactoryBuilder observerFactoryBuilder = 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);
MetricsOptions = metricsOptions ?? new DriverMetricsOptions();
MetricsProvider = driverMetricsProvider ?? new NullDriverMetricsProvider();
SessionName = sessionName;
MetricsEnabled = driverMetricsProvider != null;
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);
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();
}
/// <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 static QueryProtocolOptions CreateFromQuery(ProtocolVersion protocolVersion, Statement query,
QueryOptions queryOptions, Policies policies)
{
if (query == null)
{
return(Default);
}
var consistency = query.ConsistencyLevel ?? queryOptions.GetConsistencyLevel();
var pageSize = query.PageSize != 0 ? query.PageSize : queryOptions.GetPageSize();
long?timestamp = null;
if (query.Timestamp != null)
{
timestamp = TypeSerializer.SinceUnixEpoch(query.Timestamp.Value).Ticks / 10;
}
else if (protocolVersion.SupportsTimestamp())
{
timestamp = policies.TimestampGenerator.Next();
if (timestamp == long.MinValue)
{
timestamp = null;
}
}
return(new QueryProtocolOptions(
consistency,
query.QueryValues,
query.SkipMetadata,
pageSize,
query.PagingState,
query.SerialConsistencyLevel,
timestamp));
}
/// <summary>
/// The configuration that will be used for the new cluster. <p> You <b>should
/// not</b> modify this object directly as change made to the returned object may
/// not be used by the cluster build. Instead, you should use the other methods
/// of this <c>Builder</c></p>.
/// </summary>
///
/// <returns>the configuration to use for the new cluster.</returns>
public Configuration GetConfiguration()
{
var policies = new Policies(
_loadBalancingPolicy ?? Policies.DefaultLoadBalancingPolicy,
_reconnectionPolicy ?? Policies.DefaultReconnectionPolicy,
_retryPolicy ?? Policies.DefaultRetryPolicy,
_speculativeExecutionPolicy ?? Policies.DefaultSpeculativeExecutionPolicy);
var config = new Configuration(policies,
new ProtocolOptions(_port, _sslOptions).SetCompression(_compression)
.SetCustomCompressor(_customCompressor).SetMaxProtocolVersion(_maxProtocolVersion),
_poolingOptions,
_socketOptions,
new ClientOptions(_withoutRowSetBuffering, _queryAbortTimeout, _defaultKeyspace),
_authProvider,
_authInfoProvider,
_queryOptions,
_addressTranslator);
if (_typeSerializerDefinitions != null)
{
config.TypeSerializers = _typeSerializerDefinitions.Definitions;
}
return config;
}