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/***************************************************************************
* *
* Powersave Daemon *
* *
* Copyright (C) 2004,2005,2006 SUSE Linux Products GmbH *
* *
* Author(s): Holger Macht <hmacht@suse.de> *
* *
* 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 you *
* 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., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
* *
***************************************************************************/
#ifndef CLIENTCONNECTION_H
#define CLIENTCONNECTION_H
#include <list>
#include <string>
class CPUFreq_Interface;
struct PM_STATE;
/** @brief This struct represents a connected client */
typedef struct cNode {
/** the clients name (dbus name)*/
std::string name;
/** The capabilities to which the message belongs @ref client_capabilities */
int capabilities;
} cNode;
/** @brief Base class for administrate clients
*
* Base class for administrate clients which connect to a server socket
* provided by powersaved. Everytime one of the above defined states changes,
* all client which requested this state will be notified. Additionally it is
* also possible that acpi_events occurring on /proc/acpi/events will be
* forwarded to the clients instead of changes.
*
* The class clientStorage is a list which holds all the registered clients.
*/
class ClientConnection {
public:
/** @brief destructor clearing the class */
~ClientConnection();
/** @brief check if we have a connected client with a specific capability
*
* @param capability the capability to check for
*
* @return integer value representing result of function call
* @retval 1 on success
* @retval 0 otherwise
*/
bool checkClientCapabilities(int capability);
/** @brief get number of clients connected
*
* @return integer with number of clients connected to the daemon
*
* invokes count() from class clientStorage and so returns the
* number of clients which are connected to the daemon
*/
int count() const;
/** @brief adds a client to the list of connected clients
*
* @param name the dbus name of the client
* @param modes the modes the client is aware of
*
* @return true on success, false otherwise
*/
bool addClient(const char *name, int modes);
/** @brief check if given client should get removed
*
* @param name the dbus name of the client
*
* @return true when the client got removed, false otherwise
*/
bool checkClientRemoval(const char *name);
/** @brief get all connected clients with their capabilities
*
* @param names stl list that gets filled with client names
* @param caps slt list that gets filled with client capabilities
*/
void getClients(std::list< std::string > &names, std::list< int > &caps);
private:
/** list for storing all connected clients */
std::list < cNode > _clients;
};
#endif // CLIENTCONNECTION_H
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