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commcenter.h

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/*
  svas_server -- virtual World Server of Svas
  Copyright (c) 2001, 2002 David Moreno Montero
 
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
 
  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.  

*/

#ifndef __COMMCENTER__
#define __COMMCENTER__

#include <thread.h>
#include <iostream>
#include <strchar.h>
#include <exception.h>
#include <socket.h>
#include <vector>
#include <map>
#include <string>

#include "baseClient.h"

class World;
class Client;

/**
 * The communication center open several ports to accept incomming
 * conections, and when a new conection arrives, it redirects it to
 * the client creator (newClient, newGraphicClient...), which creates
 * a thread with the client, and go back to the
 * check-for-new-conections loop.
 */
class CommCenter{
 protected:
  /** @name Ports 
   *
   * Ports that wait for incomming connections, that later are
   * redirected to channels
   * @{
   */
  ost::TCPSocket *clientPort;
  ost::TCPSocket *graphicClientPort;
  ost::TCPSocket *controlClientPort;
  ost::TCPSocket *serverPort;
  /** @} */

  vector<baseClient *> clients;

  /** @name New Conections
   * Methods to create new conections, or wait if there is not pending
   * conection 
   * @{
   */
  void newClient();
  void newGraphicClient();
  void newControlClient();
  void newServer();
  /** @} */

  /** @name Parts of the Main Thread Loop
   * The main loop makes several tasks. Each of this methos is one of
   * these tasks 
   * @{
   */
  void checkForConections();
  void checkForDeadClients();
  void removeDeadClients();
  void waitForClients();
  void makeMovements();
  /** @} */


  /// The world that this commcenter controls 
  World *world;
  /// A dictionary of name of AgentClients and lists of AgentClients
  map<string, vector<Client *>, less<string> > clientMap;

 public:
  CommCenter();
  ~CommCenter();

  void loop();
  void getMessages();

  Client *getClientForMigration(string name);
};

#endif

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