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();
}