Changes: refactor boosterkiller to monitorbooster

src/launcher/CMakeLists.txt

@@ -4,8 +4,8 @@ include(${QT_USE_FILE})
 include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_HOME_DIRECTORY}/src/common)
 
 # Set sources
-set(SRC appdata.cpp booster.cpp boosterfactory.cpp boosterkiller.cpp connection.cpp daemon.cpp mbooster.cpp logger.cpp main.cpp qtbooster.cpp wrtbooster.cpp)
-set(MOC_HDRS boosterkiller.h)
+set(SRC appdata.cpp booster.cpp boosterfactory.cpp monitorbooster.cpp connection.cpp daemon.cpp mbooster.cpp logger.cpp main.cpp qtbooster.cpp wrtbooster.cpp)
+set(MOC_HDRS monitorbooster.h)
 qt4_wrap_cpp(MOC_SRC ${MOC_HDRS})
 
 # Find libdl

src/launcher/booster.h

@@ -68,7 +68,7 @@ public:
      *
      * \return true on success
      */
-    bool readCommand();
+    virtual bool readCommand();
 
     /*!
      * \brief Initialize and preload stuff

src/launcher/boosterfactory.cpp

@@ -22,6 +22,7 @@
 #include "mbooster.h"
 #include "qtbooster.h"
 #include "wrtbooster.h"
+#include "monitorbooster.h"
 
 BoosterFactory::BoosterFactory()
 {}
@@ -40,6 +41,10 @@ Booster * BoosterFactory::create(char type)
     {
         return new WRTBooster();
     }
+    else if (type == MonitorBooster::type())
+    {
+        return new MonitorBooster();
+    }
     else
     {
         return NULL;
@@ -60,6 +65,10 @@ void BoosterFactory::setProcessIdToBooster(char type, pid_t pid)
     {
         WRTBooster::setProcessId(pid);
     }
+    else if (type == MonitorBooster::type())
+    {
+        MonitorBooster::setProcessId(pid);
+    }
 }
 
 char BoosterFactory::getBoosterTypeForPid(pid_t pid)
@@ -76,6 +85,10 @@ char BoosterFactory::getBoosterTypeForPid(pid_t pid)
     {
         return WRTBooster::type();
     }
+    else if (pid == MonitorBooster::processId())
+    {
+        return MonitorBooster::type();
+    }
     else
     {
         return 0;
@@ -98,6 +111,7 @@ pid_t BoosterFactory::getBoosterPidForType(char type)
     }
     else
     {
+        // not used for MonitorBooster
         return 0;
     }
 }

src/launcher/daemon.cpp

@@ -24,8 +24,8 @@
 #include "mbooster.h"
 #include "qtbooster.h"
 #include "wrtbooster.h"
+#include "monitorbooster.h"
 #include "boosterfactory.h"
-#include "boosterkiller.h"
 #include "preload.h"
 
 
@@ -155,8 +155,6 @@ void Daemon::run()
     // load and resolve all undefined symbols for each dynamic library from the list 
     preload();
 
-    forkKiller();
-
     // Create sockets for each of the boosters
     Connection::initSocket(MBooster::socketName());
     Connection::initSocket(QtBooster::socketName());
@@ -166,6 +164,7 @@ void Daemon::run()
     forkBooster(MBooster::type());
     forkBooster(QtBooster::type());
     forkBooster(WRTBooster::type());
+    forkBooster(MonitorBooster::type());
 
     while (true)
     {
@@ -209,21 +208,6 @@ void Daemon::run()
     }
 }
 
-void Daemon::forkKiller()
-{
-    pid_t pid = fork();
-    if (pid == -1)
-        Logger::logErrorAndDie(EXIT_FAILURE, "Daemon: Forking killer process failed.");
-    if (pid == 0) { // child
-        // If theme or language changes, reset boosters
-        BoosterKiller bk;
-        bk.addKey("/meegotouch/theme/name");
-        bk.addKey("/meegotouch/i18n/language");
-        bk.addProcessName("booster-m");
-        bk.addProcessName("booster-w");
-        bk.start(); // does not return.
-    }
-}
 
 void Daemon::forkBooster(char type, int sleepTime)
 {

src/launcher/monitorbooster.cpp

@@ -21,9 +21,25 @@
 #include <QObject>
 #include <cstdlib>
 
-#include "boosterkiller.h"
+#include "monitorbooster.h"
 
-void BoosterKiller::addKey(const QString & key)
+const string MonitorBooster::m_socketId = "";
+int MonitorBooster::m_ProcessID = 0;
+
+
+MonitorBooster::MonitorBooster()
+{
+    addKey("/meegotouch/theme/name");
+    addKey("/meegotouch/i18n/language");
+    addProcessName("booster-m");
+    addProcessName("booster-w");
+}
+
+MonitorBooster::~MonitorBooster()
+{
+}
+
+void MonitorBooster::addKey(const QString & key)
 {
     MGConfItem * item = new MGConfItem(key, 0);
     m_gConfItems << QSharedPointer<MGConfItem>(item);
@@ -32,20 +48,54 @@ void BoosterKiller::addKey(const QString & key)
                      this, SLOT(killProcesses()));
 }
 
-void BoosterKiller::addProcessName(const QString & processName)
+void MonitorBooster::addProcessName(const QString & processName)
 {
     m_processNames << processName;
 }
 
-void BoosterKiller::start()
+void MonitorBooster::start()
 {
     int argc = 0;
     QCoreApplication(argc, 0).exec();
 }
 
-void BoosterKiller::killProcesses()
+void MonitorBooster::killProcesses()
 {
     Q_FOREACH(QString processName, m_processNames) {
         system( (QString("pkill ") + processName).toStdString().c_str() );
     }
 }
+
+char MonitorBooster::type()
+{
+    return 'k';
+}
+
+bool MonitorBooster::readCommand()
+{
+    // never return from here
+    start();
+
+    return true;
+}
+
+const string & MonitorBooster::socketName()
+{
+    return m_socketId;
+}
+
+const string & MonitorBooster::socketId() const
+{
+    return m_socketId;
+}
+
+void MonitorBooster::setProcessId(int pid)
+{
+    m_ProcessID = pid;
+}
+
+int MonitorBooster::processId()
+{
+    return m_ProcessID;
+}
+

src/launcher/monitorbooster.h

@@ -17,27 +17,41 @@
 **
 ****************************************************************************/
 
-#ifndef BOOSTERKILLER_H
-#define BOOSTERKILLER_H
+#ifndef MONITORBOOSTER_H
+#define MONITORBOOSTER_H
 
 #include <QObject>
 #include <QStringList>
 #include <QSharedPointer>
 #include <MGConfItem>
+#include "booster.h"
+
 
 class QString;
 
-/*! \class BoosterKiller
+/*! \class MonitorBooster
  *
- * BoosterKiller kills certain boosters e.g. when themeing or language changes.
+ * MonitorBooster kills certain boosters e.g. when themeing or language changes.
  * Daemon will then restart the boosters.
  */
-class BoosterKiller : public QObject
+class MonitorBooster : public QObject,  public Booster
 {
     Q_OBJECT
 
  public:
 
+    //! Constructor.
+    MonitorBooster();
+
+    //! Destructor.
+    virtual ~MonitorBooster();
+
+    /*!
+     * \brief Return the empty strung (not used in MonitorBooster).
+     * \return empty string.
+     */
+    static const string & socketName();
+
     //! Add a GConf key to trigger booster process termination
     void addKey(const QString & key);
 
@@ -49,15 +63,49 @@ class BoosterKiller : public QObject
      */
     void start();
 
- private Q_SLOTS:
+    /*!
+     * \brief Return a unique character ('k') represtenting the type of MonitorBooster.
+     * \return Type character.
+     */
+    static char type();
+
+    /*!
+     * \brief Override default behaviour, don't wait for commands from invoker.
+     * \return true on success
+     */
+    virtual bool readCommand();
+
+    //! \reimp
+    virtual char boosterType() const { return type(); }
+
+    /*!
+     * \brief Keep booster pid, should be reset before booster run application's main() function
+     */
+    static void setProcessId(int pid);
+
+    /*!
+     * \brief Return booster pid
+     */
+    static int processId();
+
+
+protected:
+
+    //! \reimp
+    virtual const string & socketId() const;
+
+private Q_SLOTS:
 
     //! Kill all added processes
     void killProcesses();
     
  private:
 
+    static const string m_socketId;
+    static int m_ProcessID;
+
     QStringList m_processNames;
     QList<QSharedPointer<MGConfItem> > m_gConfItems;
 };
 
-#endif // BOOSTERKILLER_H
+#endif // MONITORBOOSTER_H