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/**
* Copyright (C) 2011, BMW AG
*
* GeniviAudioMananger AudioManagerDaemon
*
* \file DatabaseObserver.h
*
* \date 20-Oct-2011 3:42:04 PM
* \author Christian Mueller (christian.ei.mueller@bmw.de)
*
* \section License
* GNU Lesser General Public License, version 2.1, with special exception (GENIVI clause)
* Copyright (C) 2011, BMW AG Christian Mueller Christian.ei.mueller@bmw.de
*
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation.
* 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, version 2.1, for more details.
* You should have received a copy of the GNU Lesser General Public License, version 2.1, along with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
* Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may also be applicable to programs even in cases in which the program is not a library in the technical sense.
* Linking AudioManager statically or dynamically with other modules is making a combined work based on AudioManager. You may license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to license your linked modules under the GNU Lesser General Public License, version 2.1, you may use the program under the following exception.
* As a special exception, the copyright holders of AudioManager give you permission to combine AudioManager with software programs or libraries that are released under any license unless such a combination is not permitted by the license of such a software program or library. You may copy and distribute such a system following the terms of the GNU Lesser General Public License, version 2.1, including this special exception, for AudioManager and the licenses of the other code concerned.
* Note that people who make modified versions of AudioManager are not obligated to grant this special exception for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, version 2.1, gives permission to release a modified version without this exception; this exception also makes it possible to release a modified version which carries forward this exception.
*
*/
#ifndef DATABASEOBSERVER_H_
#define DATABASEOBSERVER_H_
#include <audiomanagertypes.h>
#include <SocketHandler.h>
#include <queue>
namespace am
{
class TelnetServer;
class CommandSender;
class RoutingSender;
/**
* This class observes the Database and notifies other classes about important events, mainly the CommandSender.
*/
class DatabaseObserver
{
public:
DatabaseObserver(CommandSender *iCommandSender, RoutingSender *iRoutingSender, SocketHandler *iSocketHandler);
DatabaseObserver(CommandSender *iCommandSender, RoutingSender *iRoutingSender, SocketHandler *iSocketHandler, TelnetServer *iTelnetServer);
virtual ~DatabaseObserver();
void numberOfMainConnectionsChanged();
void numberOfSinkClassesChanged();
void numberOfSourceClassesChanged();
void newSink(am_Sink_s sink);
void newSource(am_Source_s source);
void newDomain(am_Domain_s domain);
void newGateway(am_Gateway_s gateway);
void newCrossfader(am_Crossfader_s crossfader);
void removedSink(am_sinkID_t sinkID);
void removedSource(am_sourceID_t sourceID);
void removeDomain(am_domainID_t domainID);
void removeGateway(am_gatewayID_t gatewayID);
void removeCrossfader(am_crossfaderID_t crossfaderID);
void mainConnectionStateChanged(const am_mainConnectionID_t connectionID, const am_ConnectionState_e connectionState);
void mainSinkSoundPropertyChanged(const am_sinkID_t sinkID, const am_MainSoundProperty_s SoundProperty);
void mainSourceSoundPropertyChanged(const am_sourceID_t sourceID, const am_MainSoundProperty_s& SoundProperty);
void sinkAvailabilityChanged(const am_sinkID_t sinkID, const am_Availability_s& availability);
void sourceAvailabilityChanged(const am_sourceID_t sourceID, const am_Availability_s& availability);
void volumeChanged(const am_sinkID_t sinkID, const am_mainVolume_t volume);
void sinkMuteStateChanged(const am_sinkID_t sinkID, const am_MuteState_e muteState);
void systemPropertyChanged(const am_SystemProperty_s& SystemProperty);
void timingInformationChanged(const am_mainConnectionID_t mainConnection, const am_timeSync_t time);
void receiverCallback(const pollfd pollfd, const sh_pollHandle_t handle, void* userData);
bool dispatcherCallback(const sh_pollHandle_t handle, void* userData);
bool checkerCallback(const sh_pollHandle_t handle, void* userData);
shPollFired_T<DatabaseObserver> receiverCallbackT;
shPollDispatch_T<DatabaseObserver> dispatcherCallbackT;
shPollCheck_T<DatabaseObserver> checkerCallbackT;
private:
enum do_msgID_e
{
MDO_cbNumberOfSinksChanged, //
MDO_cbNumberOfSourcesChanged, //
MDO_cbNumberOfMainConnectionsChanged, //
MDO_cbNumberOfSinkClassesChanged, //
MDO_cbNumberOfSourceClassesChanged, //
MDO_cbMainConnectionStateChanged, //
MDO_cbMainSinkSoundPropertyChanged, //
MDO_cbMainSourceSoundPropertyChanged, //
MDO_cbSinkAvailabilityChanged, //
MDO_cbSourceAvailabilityChanged, //
MDO_cbVolumeChanged, //
MDO_cbSinkMuteStateChanged, //
MDO_cbSystemPropertyChanged, //
MDO_cbTimingInformationChanged
};
struct do_connectionStateChanged_s
{
am_mainConnectionID_t connectionID;
am_ConnectionState_e connectionState;
};
struct do_mainSinkSoundPropertyChanged_s
{
am_sinkID_t sinkID;
am_MainSoundProperty_s SoundProperty;
};
struct do_mainSourceSoundPropertyChanged_s
{
am_sourceID_t sourceID;
am_MainSoundProperty_s SoundProperty;
};
struct do_sinkAvailabilityChanged_s
{
am_sinkID_t sinkID;
am_Availability_s availability;
};
struct do_sourceAvailabilityChanged_s
{
am_sourceID_t sourceID;
am_Availability_s availability;
};
struct do_volumeChanged_s
{
am_sinkID_t sinkID;
am_mainVolume_t volume;
};
struct do_sinkMuteStateChanged_s
{
am_sinkID_t sinkID;
am_MuteState_e muteState;
};
struct do_timingInformationChanged_s
{
am_mainConnectionID_t mainConnection;
am_timeSync_t time;
};
union do_parameter_u
{
do_connectionStateChanged_s connectionStateChanged;
do_mainSinkSoundPropertyChanged_s mainSinkSoundPropertyChanged;
do_mainSourceSoundPropertyChanged_s mainSourceSoundPropertyChanged;
do_sinkAvailabilityChanged_s sinkAvailabilityChanged;
do_sourceAvailabilityChanged_s sourceAvailabilityChanged;
do_volumeChanged_s volumeChanged;
do_sinkMuteStateChanged_s sinkMuteStateChanged;
do_timingInformationChanged_s timingInformationChanged;
am_SystemProperty_s systemProperty;
};
struct do_msg_s
{
do_msgID_e msgID;
do_parameter_u parameters;
};
void pipeCommand(const do_msg_s& message);
void commonConstructor(); //!< this is called from both constructors
CommandSender *mCommandSender; //!< pointer to the comandSender
RoutingSender* mRoutingSender; //!< pointer to the routingSender
TelnetServer* mTelnetServer; //!< pointer to the telnetserver
SocketHandler* mSocketHandler; //!< pointer to the sockethandler
int mPipe[2];
sh_pollHandle_t mHandle;
std::queue<do_msg_s> mQueue;
};
}
#endif /* DATABASEOBSERVER_H_ */
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