public CanalService(ILogger <CanalService> logger, IOptions <CanalOption> canalOption, IServiceScopeFactory scopeFactory, IConfiguration configuration, CanalConsumeRegister register)
{
_logger = logger;
_registerTypeList = new List <System.Type>();
if (register.SingletonConsumeList != null && register.SingletonConsumeList.Any())
{
_registerTypeList.AddRange(register.SingletonConsumeList);
}
if (register.ConsumeList != null && register.ConsumeList.Any())
{
_registerTypeList.AddRange(register.ConsumeList);
}
_configuration = configuration;
_canalOption = canalOption?.Value;
if (_canalOption == null)
{
_canalOption = new CanalOption();
}
UpdateFromEnv(_canalOption);
if (string.IsNullOrEmpty(_canalOption.Host) || string.IsNullOrEmpty(_canalOption.Destination) ||
string.IsNullOrEmpty(_canalOption.MysqlName) ||
string.IsNullOrEmpty(_canalOption.MysqlPwd) || _canalOption.Port < 1 || _canalOption.Timer < 1 || _canalOption.GetCountsPerTimes < 1)
{
throw new ArgumentNullException("Canal param in appsettings.json is not correct!");
}
if (string.IsNullOrEmpty(_canalOption.Subscribe))
{
_canalOption.Subscribe = ".*\\..*";
}
_scope = scopeFactory.CreateScope();
}
private void UpdateFromEnv(CanalOption _can)
{
var host = _configuration["canal.host"];
if (!string.IsNullOrEmpty(host))
{
_can.Host = host;
}
var port = _configuration["canal.port"];
if (!string.IsNullOrEmpty(port))
{
_can.Port = int.Parse(port);
}
var destinations = _configuration["canal.destinations"];
if (!string.IsNullOrEmpty(destinations))
{
_can.Destination = destinations;
}
var subcribe = _configuration["canal.subscribe"];
if (!string.IsNullOrEmpty(subcribe))
{
_can.Subscribe = subcribe;
}
var dbUsername = _configuration["canal.dbUsername"];
if (!string.IsNullOrEmpty(dbUsername))
{
_can.MysqlName = dbUsername;
}
var dbPassword = _configuration["canal.dbPassword"];
if (!string.IsNullOrEmpty(dbPassword))
{
_can.MysqlPwd = dbPassword;
}
var timer = _configuration["canal.timer"];
if (!string.IsNullOrEmpty(timer))
{
_can.Timer = int.Parse(timer);
}
var getCountsPerTimes = _configuration["canal.getCountsPerTimes"];
if (!string.IsNullOrEmpty(getCountsPerTimes))
{
_can.GetCountsPerTimes = int.Parse(getCountsPerTimes);
}
}
