Revert "Simplified ClientPinger by making the ping process a normal member"

This reverts commit c73e1a6db6.

src/Lib/clientpinger.cpp

@@ -25,23 +25,28 @@ lc::ClientPinger::ClientPinger( const QString &argIP,
     // Arguments: -c 1 (send 1 ECHO_REQUEST packet) -w 1 (timeout after 1 second) -q (quiet output)
     pingArguments{ QStringList{} << "-c" << "1" << "-w" << "1" << "-q" << argIP },
     pingCommand{ argPingCommand },
+    pingProcess{ new QProcess{ this } },
     state{ state_t::UNINITIALIZED }
 {
     QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
-    pingProcess.setProcessEnvironment(env);
+    pingProcess->setProcessEnvironment(env);
     // emit ping_string(new QString(*ping_command + " " + ping_arguments->join(" ")));
 }
 
+lc::ClientPinger::~ClientPinger() {
+    delete pingProcess;
+}
+
 void lc::ClientPinger::doPing() {
     // Initialize the new state to be queried
     state_t newState = state_t::UNINITIALIZED;
 
     // Query the current state of the client
-    pingProcess.start( pingCommand, pingArguments );
+    pingProcess->start( pingCommand, pingArguments );
-    if ( !pingProcess.waitForFinished( 2500 ) )
+    if ( !pingProcess->waitForFinished( 2500 ) )
         newState = state_t::ERROR;
     else {
-        if ( pingProcess.exitCode() == 0 )
+        if ( pingProcess->exitCode() == 0 )
             newState = state_t::RESPONDING;
         else
             newState = state_t::NOT_RESPONDING;

src/Lib/clientpinger.h

@@ -44,6 +44,8 @@ public:
     */
     explicit ClientPinger( const QString &argIP, const QString &argPingCommand,
                            QObject *argParent = nullptr );
+    //! ClientPinger's destructor
+    ~ClientPinger();
 
 public slots:
     //! This slot executes a ping when called.
@@ -54,7 +56,7 @@ public slots:
 private:
     const QStringList           pingArguments;          //! The arguments for the 'ping' command
     const QString               pingCommand;            //! The 'ping' command itself
-    QProcess                    pingProcess;            //! The 'ping' process which will be executed on every call of 'do_ping()'
+    QProcess *                  pingProcess;            //! The 'ping' process which will be executed on every call of 'do_ping()'
     state_t                     state;                  //! Stores the current state of the client
 
 signals: