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129 lines
2.9 KiB
C++
129 lines
2.9 KiB
C++
/***************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (directui@nokia.com)
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**
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** This file is part of applauncherd
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at directui@nokia.com.
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**
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** This library is free software; you can redistribute it and/or
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** modify it under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation
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** and appearing in the file LICENSE.LGPL included in the packaging
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** of this file.
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**
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****************************************************************************/
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#ifndef DAEMON_H
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#define DAEMON_H
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#include <vector>
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#include <string>
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#include <sys/types.h>
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using std::vector;
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using std::string;
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/*!
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* \class Daemon.
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* \brief Daemon wraps up the daemonizing functionality.
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*
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* Daemon wraps up the daemonizing functionality and is the
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* main object of the launcher program. It runs the main loop of the
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* application, listens connections from the invoker and forks Booster
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* processes.
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*/
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class Daemon
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{
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public:
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/*!
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* \brief Constructor
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* \param argc Argument count delivered to main()
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* \param argv Argument array delivered to main()
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*
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* Supported arguments:
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* --daemon == daemonize
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* --quiet == quiet
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* --help == print usage
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*/
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Daemon(int & argc, char * argv[]);
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/*!
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* \brief Destructor
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*/
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virtual ~Daemon();
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/*!
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* \brief Run main loop and fork Boosters.
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*/
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void run();
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/*! \brief Return the one-and-only Daemon instance.
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* \return Pointer to the Daemon instance.
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*/
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static Daemon * instance();
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//! \brief Reapes children processes gone zombies (finished Boosters).
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void reapZombies();
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//! Lock file to prevent launch of second instance
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static bool lock(void);
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//! Unlock file (lock is not needed in boosters)
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static void unlock(void);
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private:
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//! Disable copy-constructor
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Daemon(const Daemon & r);
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//! Disable assignment operator
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Daemon & operator= (const Daemon & r);
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//! Parse arguments
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typedef vector<string> ArgVect;
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void parseArgs(const ArgVect & args);
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//! Fork to a daemon
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void daemonize();
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//! Print usage
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void usage() const;
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//! Forks and initializes a new Booster
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bool forkBooster(char type, int pipefd[2]);
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//! Don't use console for output
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void consoleQuiet();
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//! Test mode flag
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bool m_testMode;
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//! Daemonize flag
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bool m_daemon;
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//! Debug print flag
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bool m_quiet;
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//! Vector of current child PID's
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typedef vector<pid_t> PidVect;
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PidVect m_children;
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int m_initialArgc;
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char** m_initialArgv;
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static Daemon * m_instance;
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static int m_lockFd;
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#ifdef UNIT_TEST
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friend class Ut_Daemon;
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#endif
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};
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#endif // DAEMON_H
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