public void unsubscribe(string topic)
{
string urlRemote = url.Substring(0, url.Length - 8);//retirar XXXX/subscriber
string myURL = urlRemote + myPort;
subscriptions.Remove(topic);
Console.WriteLine("unsubscribing on topic {0} o meu url e {1}", topic, myURL);
foreach (var broker in urlMyBroker)
{
BrokerReceiveBroker subunsub = (BrokerReceiveBroker)Activator.GetObject(typeof(BrokerReceiveBroker), broker + "BrokerCommunication");
try
{
SubUnsubRemoteAsyncDelegate remoteDel = new SubUnsubRemoteAsyncDelegate(subunsub.receiveUnsub);
AsyncCallback RemoteCallBack = new AsyncCallback(SubUnsubRemoteAsyncCallBack);
IAsyncResult remAr = remoteDel.BeginInvoke(topic, myURL, RemoteCallBack, null);
}
catch(SocketException)
{
Console.WriteLine("Could not locate server");
}
//subunsub.receiveUnsub(topic, myURL);
}
}
public void forwardUnsub(string topic, string brokerName)
{
//Console.WriteLine("unsub on topic {0} received from {1}", topic, brokerName);
//buscar broker com nome brokerName
foreach (var v in lstVizinhos)
{
if (v.Name.Equals(brokerName))
{
Broker aux = v;
if (routingTable.ContainsKey(aux))//ja tenho uma entrada para este broker
{
routingTable[aux].Remove(topic);
}
}
}
List<Broker> lst = new List<Broker>(lstVizinhos);
//eliminar remetente da lista
for (int i = 0; i < lst.Count; i++)
{
if (lst[i].Name.Equals(brokerName))
{
//Console.WriteLine("Removi o {0} da lista de vizinhos", lst[i].Name);
lst.Remove(lst[i]);
}
}
//propagar para os outros todos
foreach (var viz in lst)
{
string urlRemote = viz.URL.Substring(0, viz.URL.Length - 11);//retirar XXXX/broker
int port = 9000;
int mult = Int32.Parse("" + viz.Site[viz.Site.Length - 1]);
urlRemote += (port + (mult * 100) + 1).ToString() + "/";
//Console.WriteLine("Flooding vizinho em {0}", urlRemote);
BrokerReceiveBroker bro = (BrokerReceiveBroker)Activator.GetObject(typeof(BrokerReceiveBroker), urlRemote + "BrokerCommunication");
try
{
SubUnsubRemoteAsyncDelegate RemoteDel = new SubUnsubRemoteAsyncDelegate(bro.forwardUnsub);
AsyncCallback RemoteCallBack = new AsyncCallback(SubUnsubRemoteAsyncCallBack);
IAsyncResult RemAr = RemoteDel.BeginInvoke(topic, name, RemoteCallBack, null);
}
catch (SocketException)
{
Console.WriteLine("Could not locate server");
}
}
}
public void subscribe(string topic)
{
string urlRemote = this.url.Substring(0, this.url.Length - 8);//retira XXXX/subscriber
string myURL = urlRemote + myPort;
Console.WriteLine("subscribing on topic {0} o meu url e {1}", topic, myURL);
subscriptions.Add(topic);
foreach (var broker in urlMyBroker)
{
BrokerReceiveBroker subunsub = (BrokerReceiveBroker)Activator.GetObject(typeof(BrokerReceiveBroker), broker + "BrokerCommunication");
try
{
SubUnsubRemoteAsyncDelegate remoteDel = new SubUnsubRemoteAsyncDelegate(subunsub.receiveSub);
AsyncCallback RemoteCallBAck = new AsyncCallback(SubUnsubRemoteAsyncCallBack);
IAsyncResult remAr = remoteDel.BeginInvoke( topic, myURL, RemoteCallBAck, null );
}
catch(SocketException)
{
Console.WriteLine("Could not locate server");
}
//subunsub.receiveSub(topic, myURL);
}
Stopwatch sw = new Stopwatch();
sw.Start();
// enquanto não recebi todas as respostas
while (okBrokers != liveBrokers)
{
//enquanto não for timeout
if (sw.ElapsedMilliseconds > 1000)
{
//TODO - enviar mensagem ao broker
return;
}
}
okBrokers = 0;
//BrokerReceiveBroker subunsub = (BrokerReceiveBroker)Activator.GetObject(typeof(BrokerReceiveBroker), urlMyBroker+"BrokerCommunication");
//subunsub.receiveSub(topic, myURL);
}
public void forwardSub(string topic, string brokerName)
{
//buscar broker com nome brokerName
foreach (var v in lstVizinhos)
{
if (v.Name.Equals(brokerName))
{
Broker aux = v;
if (routingTable.ContainsKey(aux))//ja tenho uma entrada para este broker
{
if (!routingTable[aux].Contains(topic))//adicionar apenas se for outro topico
{
routingTable[aux].Add(topic);
}
}
else
{
routingTable[aux] = new List<string> { topic };
}
}
}
List<Broker> lst = new List<Broker>(lstVizinhos);
//eliminar remetente da lista
for (int i = 0; i < lst.Count; i++)
{
if (lst[i].Name.Equals(brokerName))
{
//Console.WriteLine("Removi o {0} da lista de vizinhos", lst[i].Name);
lst.Remove(lst[i]);
}
}
//propagar para os outros todos
if (!isLeader)//se não és lider não propagas
{
return;
}
foreach (var viz in lst)
{
string urlRemote = viz.URL.Substring(0, viz.URL.Length - 6);//retirar XXXX/broker
Console.WriteLine("Flooding vizinho em {0}", urlRemote);
BrokerReceiveBroker bro = (BrokerReceiveBroker)Activator.GetObject(typeof(BrokerReceiveBroker), urlRemote + "BrokerCommunication");
try
{
SubUnsubRemoteAsyncDelegate RemoteDel = new SubUnsubRemoteAsyncDelegate(bro.forwardSub);
AsyncCallback RemoteCallBack = new AsyncCallback(SubUnsubRemoteAsyncCallBack);
IAsyncResult RemAr = RemoteDel.BeginInvoke(topic, name, RemoteCallBack, null);
}
catch (SocketException)
{
Console.WriteLine("Could not locate server");
}
}
}
