public static void ReceiveReadyAction(this IntermediaryServer server, object sender, NetMQQueueEventArgs <IntermediaryMsg> e)
{
try
{
var Item = e.Queue.Dequeue();
var msg = Item.Msg;
var from = Item.From;
var to = Item.To;
var more = msg.HasMore;
if (more)
{
var topic = Encoding.Default.GetString(msg.Data);
var head = topic.SplitTrim(":")[0];
var host = topic.SplitTrim(":")[1];
// random dispatch
if (string.Equals(head, TopicType.SVRR))
{
// 随机分发
if (_randomSendMode && proxyCollection.Count > 0)
{
var newTopic = proxyCollection.Values.Shuffle().Get(0);
var data = Encoding.Default.GetBytes(newTopic);
to.SendFrame(data, more);
return;
}
}
// heartbeat logic
else if (string.Equals(head, TopicType.ONLINE))
{
var proxy = $"{TopicType.SVRR}:{host}";
proxyCollection.AddOrUpdate(host, proxy, (k, v) => v);
}
// offline logic
else if (string.Equals(head, TopicType.OFFLINE))
{
proxyCollection.Remove(host);
}
}
// send frame
to.Send(ref msg, more);
msg.Close();
}
catch (Exception ex)
{
Console.WriteLine($"IntermediaryHandler-ReceiveReadyAction {ex.Message}");
}
}
// custom proxy function
public static void ProxyBetweenAction(this IntermediaryServer server, IReceivingSocket from, IOutgoingSocket to)
{
var msg = new Msg();
msg.InitEmpty();
while (true)
{
from.Receive(ref msg);
var more = msg.HasMore;
server.queue.Enqueue(new IntermediaryMsg
{
Msg = msg,
From = from,
To = to
});
if (!more)
{
break;
}
}
}
