public string Subscribe(string channel, SubscribeCallback cb)
{
subscriber.Subscribe(channel);
var callbackGuid = genGuid();
if (!subscribeCallbacks.ContainsKey(channel))
{
subscribeCallbacks[channel] = new Dictionary <string, SubscribeCallback>();
}
subscribeCallbacks[channel][callbackGuid] = cb;
if (channels.Contains(channel))
{
return(callbackGuid);
}
channels.Add(channel);
var msg = new Message
{
cmd = Message.Cmd.SUBSCRIBE,
source_component_guid = guid,
identifier = channel,
payload = stringToByteArray(".")
};
publisher.Publish(proxyGuid, ref msg);
return(callbackGuid);
}
private bool Connect()
{
if (isConnecting)
{
return(false);
}
isConnecting = true;
try
{
var ret = redis.ZRevRange("ZSET:PROXIES", 0, 0);
if (ret.Length < 1)
{
return(false);
}
string buf = System.Text.Encoding.UTF8.GetString(ret[0]);
var r = buf.Split('#');
string _proxyGuid = r[0];
proxyGuid = _proxyGuid;
string connectionString = r[1];
requester = new Requester(guid, connectionString, publisherPort);
var sub = requester.GetSubscriberConnectionString();
if (sub == String.Empty)
{
return(false);
}
subscriber = new Subscriber(sub, _proxyGuid, guid);
isConnecting = false;
foreach (var c in channels)
{
subscriber.Subscribe(c);
}
return(true);
}
catch (System.Exception e)
{
log.ErrorFormat("Exception on ESBClient.Connect(): {0}", e.ToString());
isConnecting = false;
return(false);
}
}
private bool Connect()
{
if (isConnecting) return false;
isConnecting = true;
try
{
var ret = redis.ZRevRange("ZSET:PROXIES", 0, 0);
if (ret.Length < 1)
{
return false;
}
string buf = System.Text.Encoding.UTF8.GetString(ret[0]);
var r = buf.Split('#');
string _proxyGuid = r[0];
proxyGuid = _proxyGuid;
string connectionString = r[1];
requester = new Requester(guid, connectionString, publisherPort);
var sub = requester.GetSubscriberConnectionString();
if (sub == String.Empty) return false;
subscriber = new Subscriber(sub, _proxyGuid, guid);
isConnecting = false;
foreach (var c in channels)
{
subscriber.Subscribe(c);
}
return true;
}
catch (System.Exception e)
{
log.ErrorFormat("Exception on ESBClient.Connect(): {0}", e.ToString());
isConnecting = false;
return false;
}
}
