/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheBackPlate"/> class.
/// </summary>
/// <param name="configuration">The cache manager configuration.</param>
/// <param name="loggerFactory">The logger factory</param>
public RedisCacheBackPlate(CacheManagerConfiguration configuration, ILoggerFactory loggerFactory)
: base(configuration)
{
NotNull(configuration, nameof(configuration));
NotNull(loggerFactory, nameof(loggerFactory));
this.logger = loggerFactory.CreateLogger(this);
this.channelName = configuration.BackPlateChannelName ?? "CacheManagerBackPlate";
this.identifier = Guid.NewGuid().ToString();
var cfg = RedisConfigurations.GetConfiguration(this.ConfigurationKey);
this.connection = new RedisConnectionManager(
cfg,
loggerFactory);
RetryHelper.Retry(() => this.Subscribe(), configuration.RetryTimeout, configuration.MaxRetries, this.logger);
}
/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheBackplane"/> class.
/// </summary>
/// <param name="configuration">The cache manager configuration.</param>
/// <param name="loggerFactory">The logger factory</param>
public RedisCacheBackplane(ICacheManagerConfiguration configuration, ILoggerFactory loggerFactory)
: base(configuration)
{
NotNull(configuration, nameof(configuration));
NotNull(loggerFactory, nameof(loggerFactory));
_logger = loggerFactory.CreateLogger(this);
_channelName = configuration.BackplaneChannelName ?? "CacheManagerBackplane";
_identifier = Encoding.UTF8.GetBytes(Guid.NewGuid().ToString());
var cfg = RedisConfigurations.GetConfiguration(ConfigurationKey);
_connection = new RedisConnectionManager(
cfg,
loggerFactory);
RetryHelper.Retry(() => Subscribe(), configuration.RetryTimeout, configuration.MaxRetries, _logger);
}
/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheBackplane"/> class.
/// </summary>
/// <param name="configuration">The cache manager configuration.</param>
/// <param name="loggerFactory">The logger factory</param>
public RedisCacheBackplane(ICacheManagerConfiguration configuration, ILoggerFactory loggerFactory)
: base(configuration)
{
NotNull(configuration, nameof(configuration));
NotNull(loggerFactory, nameof(loggerFactory));
_logger = loggerFactory.CreateLogger(this);
_channelName = configuration.BackplaneChannelName ?? "CacheManagerBackplane";
_identifier = Encoding.UTF8.GetBytes(Guid.NewGuid().ToString());
var cfg = RedisConfigurations.GetConfiguration(ConfigurationKey);
_connection = new RedisConnectionManager(
cfg,
loggerFactory);
RetryHelper.Retry(() => Subscribe(), configuration.RetryTimeout, configuration.MaxRetries, _logger);
// adding additional timer based send message invoke (shouldn't do anything if there are no messages,
// but in really rare race conditions, it might happen messages do not get send if SendMEssages only get invoked through "NotifyXyz"
_timer = new Timer(SendMessages, true, 1000, 1000);
}
/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheBackPlate"/> class.
/// </summary>
/// <param name="configuration">The cache manager configuration.</param>
public RedisCacheBackPlate(CacheManagerConfiguration configuration)
: base(configuration)
{
NotNull(configuration, nameof(configuration));
this.channelName = configuration.BackPlateChannelName ?? "CacheManagerBackPlate";
this.identifier = Guid.NewGuid().ToString();
RetryHelper.Retry(
() =>
{
// throws an exception if not found for the name
var cfg = RedisConfigurations.GetConfiguration(this.ConfigurationKey);
var connection = RedisConnectionPool.Connect(cfg);
this.redisSubscriper = connection.GetSubscriber();
},
configuration.RetryTimeout,
configuration.MaxRetries);
this.Subscribe();
}
/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheBackPlate"/> class.
/// </summary>
/// <param name="configuration">The cache manager configuration.</param>
/// <param name="loggerFactory">The logger factory</param>
public RedisCacheBackPlate(CacheManagerConfiguration configuration, ILoggerFactory loggerFactory)
: base(configuration)
{
NotNull(configuration, nameof(configuration));
NotNull(loggerFactory, nameof(loggerFactory));
this.logger = loggerFactory.CreateLogger(this);
this.channelName = configuration.BackPlateChannelName ?? "CacheManagerBackPlate";
this.identifier = Guid.NewGuid().ToString();
var cfg = RedisConfigurations.GetConfiguration(this.ConfigurationKey);
this.connection = new RedisConnectionManager(
cfg,
loggerFactory);
RetryHelper.Retry(() => this.Subscribe(), configuration.RetryTimeout, configuration.MaxRetries, logger);
this.timer = new Timer(
(obj) =>
{
if (this.sending)
{
return;
}
lock (this.messageLock)
{
try
{
this.sending = true;
if (this.messages != null && this.messages.Count > 0)
{
var msgs = string.Join(",", this.messages);
if (this.logger.IsEnabled(LogLevel.Debug))
{
this.logger.LogDebug("Back-plate is sending {0} messages ({1} skipped).", this.messages.Count, this.skippedMessages);
}
RetryHelper.Retry(
() =>
{
this.Publish(msgs);
},
configuration.RetryTimeout,
configuration.MaxRetries,
this.logger);
this.skippedMessages = 0;
this.messages.Clear();
}
}
catch (Exception ex)
{
this.logger.LogError(ex, "Error occurred sending back plate messages.");
}
finally
{
this.sending = false;
}
}
},
this,
TimeSpan.FromMilliseconds(100),
TimeSpan.FromMilliseconds(100));
}
