/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheHandle{TCacheValue}"/> class.
/// </summary>
/// <param name="manager">The manager.</param>
/// <param name="configuration">The configuration.</param>
public RedisCacheHandle(ICacheManager <TCacheValue> manager, CacheHandleConfiguration configuration)
: base(manager, configuration)
{
NotNull(manager, nameof(manager));
EnsureNotNull(manager.Configuration.CacheSerializer, "A cache serializer must be defined for this cache handle.");
this.valueConverter = new RedisValueConverter(manager.Configuration.CacheSerializer);
}
public RedisCacheHandle(CacheManagerConfiguration managerConfiguration, CacheHandleConfiguration configuration, ILoggerFactory loggerFactory, ICacheSerializer serializer)
: base(managerConfiguration, configuration)
{
NotNull(loggerFactory, nameof(loggerFactory));
NotNull(managerConfiguration, nameof(managerConfiguration));
EnsureNotNull(serializer, "A serializer is required for the redis cache handle");
this.managerConfiguration = managerConfiguration;
this.Logger = loggerFactory.CreateLogger(this);
this.valueConverter = new RedisValueConverter(serializer);
}
/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheHandle{TCacheValue}"/> class.
/// </summary>
/// <param name="managerConfiguration">The manager configuration.</param>
/// <param name="configuration">The cache handle configuration.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="serializer">The serializer.</param>
public RedisCacheHandle(CacheManagerConfiguration managerConfiguration, CacheHandleConfiguration configuration, ILoggerFactory loggerFactory, ICacheSerializer serializer)
: base(managerConfiguration, configuration)
{
NotNull(loggerFactory, nameof(loggerFactory));
NotNull(managerConfiguration, nameof(managerConfiguration));
NotNull(configuration, nameof(configuration));
EnsureNotNull(serializer, "A serializer is required for the redis cache handle");
this.managerConfiguration = managerConfiguration;
this.Logger = loggerFactory.CreateLogger(this);
this.valueConverter = new RedisValueConverter(serializer);
this.redisConfiguration = RedisConfigurations.GetConfiguration(configuration.Key);
this.connection = new RedisConnectionManager(this.redisConfiguration, loggerFactory);
this.isLuaAllowed = this.connection.Features.Scripting;
}
/// <summary>
/// Initializes a new instance of the <see cref="RedisCacheHandle{TCacheValue}"/> class.
/// </summary>
/// <param name="managerConfiguration">The manager configuration.</param>
/// <param name="configuration">The cache handle configuration.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="serializer">The serializer.</param>
public RedisCacheHandle(ICacheManagerConfiguration managerConfiguration, CacheHandleConfiguration configuration, ILoggerFactory loggerFactory, ICacheSerializer serializer)
: base(managerConfiguration, configuration)
{
NotNull(loggerFactory, nameof(loggerFactory));
NotNull(managerConfiguration, nameof(managerConfiguration));
NotNull(configuration, nameof(configuration));
EnsureNotNull(serializer, "A serializer is required for the redis cache handle");
Logger = loggerFactory.CreateLogger(this);
_managerConfiguration = managerConfiguration;
_valueConverter = new RedisValueConverter(serializer);
_redisConfiguration = RedisConfigurations.GetConfiguration(configuration.Key);
_connection = new RedisConnectionManager(_redisConfiguration, loggerFactory);
_isLuaAllowed = _connection.Features.Scripting;
// disable preloading right away if twemproxy mode, as this is not supported.
_canPreloadScripts = _redisConfiguration.TwemproxyEnabled ? false : true;
if (_redisConfiguration.KeyspaceNotificationsEnabled)
{
// notify-keyspace-events needs to be set to "Exe" at least! Otherwise we will not receive any events.
// this must be configured per server and should probably not be done automagically as this needs admin rights!
// Let's try to check at least if those settings are configured (the check also works only if useAdmin is set to true though).
try
{
var configurations = _connection.GetConfiguration("notify-keyspace-events");
foreach (var cfg in configurations)
{
if (!cfg.Value.Contains("E"))
{
Logger.LogWarn("Server {0} is missing configuration value 'E' in notify-keyspace-events to enable keyevents.", cfg.Key);
}
if (!(cfg.Value.Contains("A") ||
(cfg.Value.Contains("x") && cfg.Value.Contains("e"))))
{
Logger.LogWarn("Server {0} is missing configuration value 'A' or 'x' and 'e' in notify-keyspace-events to enable keyevents for expired and evicted keys.", cfg.Key);
}
}
}
catch
{
Logger.LogDebug("Could not read configuration from redis to validate notify-keyspace-events. Most likely useAdmin is not set to true.");
}
SubscribeKeyspaceNotifications();
}
}
