private async Task EnsureRedisServerConnection() { if (_redisServerConnection == null) { await _connectionLock.WaitAsync(); try { if (_redisServerConnection == null) { var writer = new LoggerTextWriter(_logger); _redisServerConnection = await _options.ConnectAsync(writer); _bus = _redisServerConnection.GetSubscriber(); _redisServerConnection.ConnectionRestored += (_, e) => { // We use the subscription connection type // Ignore messages from the interactive connection (avoids duplicates) if (e.ConnectionType == ConnectionType.Interactive) { return; } RedisLog.ConnectionRestored(_logger); }; _redisServerConnection.ConnectionFailed += (_, e) => { // We use the subscription connection type // Ignore messages from the interactive connection (avoids duplicates) if (e.ConnectionType == ConnectionType.Interactive) { return; } RedisLog.ConnectionFailed(_logger, e.Exception); }; if (_redisServerConnection.IsConnected) { RedisLog.Connected(_logger); } else { RedisLog.NotConnected(_logger); } SubscribeToAll(); SubscribeToGroupManagementChannel(); SubscribeToAckChannel(); } } finally { _connectionLock.Release(); } } }
public RedisHubLifetimeManager(ILogger <RedisHubLifetimeManager <THub> > logger, IOptions <RedisOptions> options, IHubProtocolResolver hubProtocolResolver) { _logger = logger; _options = options.Value; _ackHandler = new AckHandler(); _channels = new RedisChannels(typeof(THub).FullName); _protocol = new RedisProtocol(hubProtocolResolver.AllProtocols); var writer = new LoggerTextWriter(logger); RedisLog.ConnectingToEndpoints(_logger, options.Value.Options.EndPoints, _serverName); _redisServerConnection = _options.Connect(writer); _redisServerConnection.ConnectionRestored += (_, e) => { // We use the subscription connection type // Ignore messages from the interactive connection (avoids duplicates) if (e.ConnectionType == ConnectionType.Interactive) { return; } RedisLog.ConnectionRestored(_logger); }; _redisServerConnection.ConnectionFailed += (_, e) => { // We use the subscription connection type // Ignore messages from the interactive connection (avoids duplicates) if (e.ConnectionType == ConnectionType.Interactive) { return; } RedisLog.ConnectionFailed(_logger, e.Exception); }; if (_redisServerConnection.IsConnected) { RedisLog.Connected(_logger); } else { RedisLog.NotConnected(_logger); } _bus = _redisServerConnection.GetSubscriber(); SubscribeToAll(); SubscribeToGroupManagementChannel(); SubscribeToAckChannel(); }