public MessageBus(IStringMinifier stringMinifier,
ILoggerFactory loggerFactory,
IPerformanceCounterManager performanceCounterManager,
IOptions<MessageBusOptions> optionsAccessor)
{
if (stringMinifier == null)
{
throw new ArgumentNullException("stringMinifier");
}
if (loggerFactory == null)
{
throw new ArgumentNullException("traceManager");
}
if (performanceCounterManager == null)
{
throw new ArgumentNullException("performanceCounterManager");
}
if (optionsAccessor == null)
{
throw new ArgumentNullException("optionsAccessor");
}
var options = optionsAccessor.Options;
if (options.MessageBufferSize < 0)
{
throw new ArgumentOutOfRangeException(Resources.Error_BufferSizeOutOfRange);
}
_stringMinifier = stringMinifier;
_loggerFactory = loggerFactory;
Counters = performanceCounterManager;
_logger = _loggerFactory.CreateLogger<MessageBus>();
_maxTopicsWithNoSubscriptions = options.MaxTopicsWithNoSubscriptions;
_gcTimer = new Timer(_ => GarbageCollectTopics(), state: null, dueTime: _gcInterval, period: _gcInterval);
_broker = new MessageBroker(Counters)
{
Logger = _logger
};
// The default message store size
_messageStoreSize = (uint)options.MessageBufferSize;
_topicTtl = options.TopicTTL;
_createTopic = CreateTopic;
_addEvent = AddEvent;
_removeEvent = RemoveEvent;
_disposeSubscription = o => DisposeSubscription(o);
Topics = new TopicLookup();
}
public MessageBus(IStringMinifier stringMinifier,
ITraceManager traceManager,
IPerformanceCounterManager performanceCounterManager,
IConfigurationManager configurationManager,
int maxTopicsWithNoSubscriptions)
{
if (stringMinifier == null)
{
throw new ArgumentNullException("stringMinifier");
}
if (traceManager == null)
{
throw new ArgumentNullException("traceManager");
}
if (performanceCounterManager == null)
{
throw new ArgumentNullException("performanceCounterManager");
}
if (configurationManager == null)
{
throw new ArgumentNullException("configurationManager");
}
if (configurationManager.DefaultMessageBufferSize < 0)
{
throw new ArgumentOutOfRangeException(Resources.Error_BufferSizeOutOfRange);
}
_stringMinifier = stringMinifier;
_traceManager = traceManager;
Counters = performanceCounterManager;
_trace = _traceManager["SignalR.MessageBus"];
_maxTopicsWithNoSubscriptions = maxTopicsWithNoSubscriptions;
_gcTimer = new Timer(_ => GarbageCollectTopics(), state: null, dueTime: _gcInterval, period: _gcInterval);
_broker = new MessageBroker(Counters)
{
Trace = Trace
};
// The default message store size
_messageStoreSize = (uint)configurationManager.DefaultMessageBufferSize;
_topicTtl = configurationManager.TopicTtl();
Topics = new TopicLookup();
}
public MessageBus(IStringMinifier stringMinifier,
ITraceManager traceManager,
IPerformanceCounterManager performanceCounterManager,
IConfigurationManager configurationManager,
int maxTopicsWithNoSubscriptions)
{
if (stringMinifier == null)
{
throw new ArgumentNullException("stringMinifier");
}
if (traceManager == null)
{
throw new ArgumentNullException("traceManager");
}
if (performanceCounterManager == null)
{
throw new ArgumentNullException("performanceCounterManager");
}
if (configurationManager == null)
{
throw new ArgumentNullException("configurationManager");
}
if (configurationManager.DefaultMessageBufferSize < 0)
{
throw new ArgumentOutOfRangeException(Resources.Error_BufferSizeOutOfRange);
}
_stringMinifier = stringMinifier;
_traceManager = traceManager;
Counters = performanceCounterManager;
_trace = _traceManager["SignalR.MessageBus"];
_maxTopicsWithNoSubscriptions = maxTopicsWithNoSubscriptions;
_gcTimer = new Timer(_ => GarbageCollectTopics(), state: null, dueTime: _gcInterval, period: _gcInterval);
_broker = new MessageBroker(Counters)
{
Trace = Trace
};
// The default message store size
_messageStoreSize = (uint)configurationManager.DefaultMessageBufferSize;
// Calculate keepAlive duration in context of ticks. This is necessary because keepAlive indicates how
// many heartbeat intervals to wait before sending a keep alive.
var keepAlive = configurationManager.KeepAlive * configurationManager.HeartbeatInterval.Ticks;
// Keep topics alive for twice as long as we let connections to reconnect.
// Also add twice the keepalive interval since clients might take a while to notice they are disconnected.
// This should be a good enough estimate for how long until we should consider a topic dead.
_topicTtl = TimeSpan.FromTicks((configurationManager.DisconnectTimeout.Ticks + keepAlive) * 2);
Topics = new ConcurrentDictionary<string, Topic>();
}
public WorkContext(ISubscription subscription, MessageBroker broker)
{
Subscription = subscription;
Broker = broker;
}
public WorkContext(ISubscription subscription, MessageBroker broker)
{
Subscription = subscription;
Broker = broker;
}
