eventserver.h

// Copyright (C) 2009-2010 Institut de Robòtica i Informàtica Industrial, CSIC-UPC.
// Author Sergi Hernandez  (shernand@iri.upc.edu)
// All rights reserved.
//
// This file is part of iriutils
// iriutils is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef _EVENT_SERVER
#define _EVENT_SERVER

#include <list>
#include "event.h"
#include "mutex.h"

class CEventServer
{
  private:
    static CEventServer* pinstance;
    std::list<CEvent> event_list;

    CMutex access_events;
  protected:
    CEventServer();
    CEventServer(const CEventServer& object);
    CEventServer& operator = (const CEventServer& object);
    std::list<CEvent>::iterator search_event(const std::string& event_id);
  public:
    static CEventServer* instance(void);
    // Event handler functions
    void create_event(const std::string& event_id);
    void delete_event(const std::string& event_id);
    void set_event(const std::string& event_id);
    void reset_event(const std::string& event_id);
    bool event_is_set(const std::string& event_id);
    int get_num_events(void);
    int get_num_activations(const std::string& event_id);
    int wait_first(std::list<std::string> events,int timeout = -1);
    void wait_all(std::list<std::string> events, int timeout = -1);
};

#endif