DeviceUsedPortsGatherer: Move getNextFreePort() into PortList

Seems more natural place for this function.

Change-Id: I09f6776ce946f623e3a512411bb922841c06a47d
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/utils/portlist.cpp

@@ -168,6 +168,16 @@ Port PortList::getNext()
     return next;
 }
 
+Port PortList::getNextFreePort(const QList<Port> &usedPorts)
+{
+    while (hasMore()) {
+        const Port port = getNext();
+        if (!usedPorts.contains(port))
+            return port;
+    }
+    return {};
+}
+
 QString PortList::toString() const
 {
     QString stringRep;

src/libs/utils/portlist.h

@@ -28,6 +28,7 @@ public:
     bool contains(Port port) const;
     int count() const;
     Port getNext();
+    Port getNextFreePort(const QList<Port> &usedPorts);
     QString toString() const;
 
     static PortList fromString(const QString &portsSpec);

src/plugins/projectexplorer/devicesupport/deviceusedportsgatherer.cpp

@@ -77,16 +77,6 @@ void DeviceUsedPortsGatherer::stop()
     }
 }
 
-Port DeviceUsedPortsGatherer::getNextFreePort(PortList *freePorts) const
-{
-    while (freePorts->hasMore()) {
-        const Port port = freePorts->getNext();
-        if (!d->usedPorts.contains(port))
-            return port;
-    }
-    return Port();
-}
-
 QList<Port> DeviceUsedPortsGatherer::usedPorts() const
 {
     return d->usedPorts;
@@ -165,7 +155,7 @@ QUrl PortsGatherer::findEndPoint()
     QUrl result;
     result.setScheme(urlTcpScheme());
     result.setHost(device()->sshParameters().host());
-    result.setPort(m_portsGatherer.getNextFreePort(&m_portList).number());
+    result.setPort(m_portList.getNextFreePort(m_portsGatherer.usedPorts()).number());
     return result;
 }
 

src/plugins/projectexplorer/devicesupport/deviceusedportsgatherer.h

@@ -26,7 +26,6 @@ public:
 
     void start(const IDeviceConstPtr &device);
     void stop();
-    Utils::Port getNextFreePort(Utils::PortList *freePorts) const; // returns -1 if no more are left
     QList<Utils::Port> usedPorts() const;
 
 signals: