public RedisHandler(ILogger <RedisHandler> logger, IOptions <RedisOption> options, IConfiguration configuration)
{
_logger = logger;
_configuration = configuration;
_option = options?.Value;
if (_option == null)
{
_option = new RedisOption();
}
UpdateFromEnv(_option);
if (string.IsNullOrEmpty(_option.ConnectString))
{
throw new ArgumentNullException(nameof(RedisOption.ConnectString));
}
ConfigurationOptions connectOptions = ConfigurationOptions.Parse(_option.ConnectString);
if (_option.ReconnectTimeout < 5000)
{
_option.ReconnectTimeout = 5000;
}
connectOptions.ReconnectRetryPolicy = new LinearRetry(_option.ReconnectTimeout);
_conn = ConnectionMultiplexer.Connect(connectOptions);
Redis = _conn.GetDatabase();
_logger.LogInformation($"Redis [{_option.ConnectString}] connect success");
_logger.LogInformation($"Redis Produce Listening: {string.Join(",", _option.DbTables)}");
AppDomain.CurrentDomain.ProcessExit += (sender, args) => Dispose();
}
private void UpdateFromEnv(RedisOption _rab)
{
var host = _configuration["redis.connect"];
if (!string.IsNullOrEmpty(host))
{
_rab.ConnectString = host;
}
var retryTimeout = _configuration["redis.reconnectTimeout"];
if (!string.IsNullOrEmpty(retryTimeout))
{
_rab.ReconnectTimeout = int.Parse(retryTimeout);
}
var dbTables = _configuration["redis.dbTables"];
if (!string.IsNullOrEmpty(dbTables))
{
_rab.DbTables = dbTables.Split(':').ToList();
}
}
