public void OurLookupAsyncCallBack(IAsyncResult ar)
{
Monitor.Enter(this);
try
{
try
{
RemoteLookupDelegate del = (RemoteLookupDelegate)((AsyncResult)ar).AsyncDelegate;
data = del.EndInvoke(ar);
Console.WriteLine("\nSIGNALLED STATUS");
waiter.Set();
Thread.Sleep(WAIT_TIME);
}
catch (Exception e)
{
Console.WriteLine("Exception" + e.Message);
data = null;
Console.WriteLine("\nFAILURE SIGNALLED STATUS");
waiter.Set();
Thread.Sleep(WAIT_TIME);
}
return;
}
finally
{
Monitor.Exit(this);
}
}
public bool registerClient(string username, string ip_addr, int port)
{
//creating a ClientMetadata object to store client information
ClientMetadata cm = new ClientMetadata();
cm.Username = username;
cm.IP_Addr = ip_addr;
cm.Port = port;
//adding the client metadata to the global hashtable so that it can be used later on
clients_list.Add(username, cm);
IClientFacade facadeService = connectToClientFacadeService(cm);
clientFacadeList.Add(username, facadeService);
//update the Clients tree in PuppetGUI
Gui.updateClientsTree(cm, null);
return true;
}
private IClientFacade connectToClientFacadeService(ClientMetadata cm)
{
//connect to PuppetMaster here
String connectionString = "tcp://" + cm.IP_Addr + ":" + cm.Port + "/" + cm.Username + "/" + Common.Constants.CLIENT_FACADE_SERVICE;
IDictionary RemoteChannelProperties = new Dictionary<string, string>();
RemoteChannelProperties["name"] = cm.Username;
TcpChannel client_channel = new TcpChannel(RemoteChannelProperties, null, null);
ChannelServices.RegisterChannel(client_channel, true);
//TODO: uncomment and fix this to make it work
IClientFacade facadeService = (IClientFacade)Activator.GetObject(
typeof(IClientFacade),
connectionString);
return facadeService;
}
private bool RegisterInfoOnAllServer(ClientMetadata client)
{
IConsistencyService[] server = new IConsistencyService[_servers.Count];
for (int i = 0; i < _servers.Count; i++)
{
server[i] = getOtherServers(_servers[i]);
}
callback returnedValueOnRegister1 = new callback();
callback.RemoteAsyncDelegate RemoteDelforRegister1 = new callback.RemoteAsyncDelegate(() => server[0].WriteClientMetadata(client));
AsyncCallback RemoteCallbackOnRegister1 = new AsyncCallback(returnedValueOnRegister1.OurRemoteAsyncCallBack);
IAsyncResult RemArForRegister1 = RemoteDelforRegister1.BeginInvoke(RemoteCallbackOnRegister1, null);
callback.RemoteAsyncDelegate RemoteDelforRegister2 = new callback.RemoteAsyncDelegate(() => server[1].WriteClientMetadata(client));
IAsyncResult RemArForRegister2 = RemoteDelforRegister2.BeginInvoke(RemoteCallbackOnRegister1, null);
action.WriteClientMetadata(client); //First Self Register
Log.Show(_username, "[REGISTER CLIENT] Registered on self!!");
Log.Show(_username, "[REGISTER CLIENT] Waiting for atleast one Server to return");
returnedValueOnRegister1.waiter.WaitOne();
//returnedValueOnRegister1.waiter.Reset();
if (returnedValueOnRegister1._status == false)
{
Log.Show(_username, "[REGISTER CLIENT] One of the Servers failed to register");
returnedValueOnRegister1.waiter.WaitOne();
// returnedValueOnRegister1.waiter.Reset();
if (returnedValueOnRegister1._status == false)
{
Log.Show(_username, "[REGISTER CLIENT] Both the Servers failed to register");
return false;
}
else
{
Log.Show(_username, "[REGISTER CLIENT] One Server successfully registered");
return true;
}
}
else
{
Log.Show(_username, "[REGISTER CLIENT] One Server successfully registered");
return true;
}
}
private bool CompareValues(ClientMetadata myValue, ClientMetadata receivedValue)
{
if ((myValue == null) || (receivedValue == null))
return false;
if ((myValue.Username.Equals(receivedValue.Username)) && (myValue.IP_Addr.Equals(receivedValue.IP_Addr)) && (myValue.Port.Equals(receivedValue.Port)))
return true;
else
return false;
}
void ILookupService.RegisterUser(string username, string ip, int port)
{
Monitor.Enter(this);
try
{
ClientMetadata client = new ClientMetadata();
client.IP_Addr = ip;
client.Port = port;
client.Username = username;
RegisterInfoOnAllServer(client);
Log.Show(_username, "Registered client " + username + ": " + ip + ":" + port);
pms.show("[REGISTER USER]" + _username + "-Registered client " + username + ": " + ip + ":" + port);
}
finally
{
Monitor.Exit(this);
}
}
