public static void Main()
{
Console.CancelKeyPress += (sender, eventArgs) =>
{
eventArgs.Cancel = true;
_cancelKeySignal.Set();
};
XmlConfigurator.ConfigureAndWatch(new FileInfo(InBaseDirectory("log4net.config")));
_log.Info("Starting persistence");
var appSettingsConfiguration = new AppSettingsConfiguration();
var useCassandraStorage = ConfigurationManager.AppSettings["PersistenceStorage"] == "Cassandra";
var busFactory = new BusFactory().WithConfiguration(appSettingsConfiguration, ConfigurationManager.AppSettings["Environment"])
.WithScan()
.WithEndpoint(ConfigurationManager.AppSettings["Endpoint"])
.WithPeerId(ConfigurationManager.AppSettings["PeerId"]);
InjectPersistenceServiceSpecificConfiguration(busFactory, appSettingsConfiguration, useCassandraStorage);
using (busFactory.CreateAndStartBus())
{
_log.Info("Starting initialisers");
var inMemoryMessageMatcherInitializer = busFactory.Container.GetInstance <InMemoryMessageMatcherInitializer>();
inMemoryMessageMatcherInitializer.BeforeStart();
OldestNonAckedMessageUpdaterPeriodicAction oldestNonAckedMessageUpdaterPeriodicAction = null;
if (useCassandraStorage)
{
oldestNonAckedMessageUpdaterPeriodicAction = busFactory.Container.GetInstance <OldestNonAckedMessageUpdaterPeriodicAction>();
oldestNonAckedMessageUpdaterPeriodicAction.AfterStart();
}
_log.Info("Persistence started");
_cancelKeySignal.WaitOne();
_log.Info("Stopping initialisers");
oldestNonAckedMessageUpdaterPeriodicAction?.BeforeStop();
var messageReplayerInitializer = busFactory.Container.GetInstance <MessageReplayerInitializer>();
messageReplayerInitializer.BeforeStop();
inMemoryMessageMatcherInitializer.AfterStop();
_log.Info("Persistence stopped");
}
}
private static void InjectPersistenceServiceSpecificConfiguration(BusFactory busFactory, AppSettingsConfiguration configuration, bool useCassandraStorage)
{
busFactory.ConfigureContainer(c =>
{
c.ForSingletonOf <IPersistenceConfiguration>().Use(configuration);
if (useCassandraStorage)
{
_log.Info("Using Cassandra storage implementation");
c.ForSingletonOf <IStorage>().Use <CqlStorage>();
}
else
{
_log.Info("Using RocksDB storage implementation");
c.ForSingletonOf <IStorage>().Use <RocksDbStorage>();
}
c.ForSingletonOf <IMessageReplayerRepository>().Use <MessageReplayerRepository>();
c.ForSingletonOf <IMessageReplayer>().Use <MessageReplayer>();
c.ForSingletonOf <IMessageDispatcher>().Use(typeof(Func <IContext, MessageDispatcher>).Name,
ctx =>
{
var dispatcher = ctx.GetInstance <MessageDispatcher>();
dispatcher.ConfigureHandlerFilter(x => x != typeof(PeerDirectoryClient));
return(dispatcher);
});
c.ForSingletonOf <ITransport>().Use <QueueingTransport>().Ctor <ITransport>().Is <ZmqTransport>();
c.ForSingletonOf <IInMemoryMessageMatcher>().Use <InMemoryMessageMatcher>();
c.Forward <IInMemoryMessageMatcher, IProvideQueueLength>();
c.ForSingletonOf <IStoppingStrategy>().Use <PersistenceStoppingStrategy>();
c.ForSingletonOf <IReporter>().Use <NoopReporter>();
// Cassandra specific
if (useCassandraStorage)
{
c.ForSingletonOf <ICqlStorage>().Use <CqlStorage>();
c.ForSingletonOf <CassandraCqlSessionManager>().Use(() => CassandraCqlSessionManager.Create());
c.ForSingletonOf <ICqlPersistenceConfiguration>().Use <CassandraAppSettingsConfiguration>();
}
});
}
