private void Resolver_Started(string obj)
{
Trace.TraceInformation("Resolver started");
//Self resolving timeout, exiting ...
int timeout = Config.Starter.registerselftimeout ?? 10000;
var register = Resolver.RegisterSelf();
if (Task.WhenAny(register, Task.Delay(timeout)).Result != register)
{
throw new CoreException("Resolver self register timeout expired!");
}
var links = register.Result;
Trace.TraceInformation("Self links resolved");
int queueInc = 2;
if (links != null)
{
foreach (var link in links)
{
var exchangeName = ExchangeTypes.GetExchangeName(link.name, link.type, null);
Trace.TraceInformation($"Bind {exchangeName} start..");
ConsumerParam options = new ConsumerParam();
options.QueueParam = new ChannelQueueParam()
{
AutoDelete = Config.MQ.autodelete ?? false,
};
if (Config.MQ.queue.ttl.HasValue)
{
options.QueueParam.SetExpiresMs(Config.MQ.queue.ttl.Value);
}
switch (link.type)
{
case LinkTypes.LINK_EXCHANGE:
{
ExchangeConnectionString = exchangeName;
options.QueueParam.Name = $"{exchangeName}.{AppId}";
options.ExchangeParam = new ChannelExchangeParam()
{
Name = exchangeName,
AutoDelete = Config.MQ.autodelete ?? false
};
if (Config.MQ.exchange.ttl.HasValue)
{
options.ExchangeParam.SetExpiresMs(Config.MQ.exchange.ttl.Value);
}
}
break;
case LinkTypes.LINK_QUEUE:
{
QueueConnectionString = exchangeName;
options.QueueParam.Name = exchangeName;
}
break;
default: { Trace.TraceWarning($"Unknow link type: [{link.type}]"); continue; }
}
//Максимальный пул одновременных сообщений контролируется параметром ru:spinosa:mq:prefetch
//т.е. максимальным числом полученных сообщений оставленных без ответа
Connection.Listen(options, (ea) =>
{
Task.Run(() => this.HandleMessage(ea))
.ContinueWith(res => { this.HandleMessageErrors?.Invoke(ea, res.Exception); }, TaskContinuationOptions.OnlyOnFaulted);
});
Trace.TraceInformation($"Bind {exchangeName} successed");
queueInc--;
}
}
if (queueInc == 0)
{
this.running = true;
//запускаем обновление кэша только если удалось получить собственные ссылки т.к. это подтверждает, что оператор запущен и имеет смысл к нему обращаться
//
if (Config.Starter.pingperiod_ms.HasValue)
{
Trace.TraceInformation($"RunRefreshCache started {Config.Starter.pingperiod_ms.Value}ms");
Resolver.RunRefreshCache();
}
Started?.Invoke(AppId);
}
else
{
throw new CoreException("Self links bind error: queueInc!=0 ");
}
}
private Task <DataArgs <ViaElement> > Push(ViaElement via, bool requestResolve, string link, string service, string exchangeName, string routingKey, string exchangeType, string queryData, IBasicProperties properties)
{
DataArgs <ViaElement> messageEventArgs = new DataArgs <ViaElement>();
if (requestResolve)
{
//Для начала надо узнать в какие очереди посылать запросы
return(this.Dispatcher.Resolve(service, link)
.ContinueWith(resolver_link =>
{
//try
//{
if (resolver_link.Exception != null)
{
messageEventArgs.SetException(resolver_link.Exception);
}
var link_str = resolver_link.Result;
var exchange = ExchangeTypes.GetExchangeName(link_str, null, exchangeType);
bool isFanout = ExchangeType.Fanout.Equals(exchangeType, StringComparison.CurrentCultureIgnoreCase);
var rk = isFanout ? exchange : routingKey;
var options = new ProducerParam()
{
RoutingKey = rk
};
if (!isFanout)
{
options.ExchangeParam = new ChannelExchangeParam()
{
Name = exchange,
Type = exchangeType ?? ExchangeTypes.EXCHANGETYPE_FANOUT
};
}
var data = Encoding.UTF8.GetBytes(queryData);
//посылаем сообщение
Dispatcher.Connection.Publish(options, data, properties);
messageEventArgs.result = true;
messageEventArgs.data = via;
//}
//catch (Exception ex)
//{
// messageEventArgs.SetException(ex);
//}
return messageEventArgs;
}));
}
else
{
return(Task.Run(() =>
{
//try
//{
//для запросов, где очереди известны
var options = new ProducerParam()
{
RoutingKey = routingKey
};
if (!string.IsNullOrEmpty(exchangeName))
{
options.ExchangeParam = new ChannelExchangeParam()
{
Name = exchangeName,
Type = exchangeType ?? ExchangeTypes.EXCHANGETYPE_FANOUT
};
}
var data = Encoding.UTF8.GetBytes(queryData);
//посылаем сообщение
Dispatcher.Connection.Publish(options, data, properties);
//}
//catch (Exception ex)
//{
// messageEventArgs.result = false;
// messageEventArgs.SetException(ex);
//}
return messageEventArgs;
}));
}
}