QDnsLookup: make the query() function non-static

Simplifies arguments and will allow me to add stateful helper methods.

Change-Id: I3e3bfef633af4130a03afffd175d6044829a96f2
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

src/network/kernel/qdnslookup.cpp

@@ -470,7 +470,7 @@ void QDnsLookup::lookup()
     Q_D(QDnsLookup);
     d->isFinished = false;
     d->reply = QDnsLookupReply();
-    d->runnable = new QDnsLookupRunnable(d->type, QUrl::toAce(d->name), d->nameserver);
+    d->runnable = new QDnsLookupRunnable(d);
     connect(d->runnable, &QDnsLookupRunnable::finished,
             this, [this](const QDnsLookupReply &reply) { d_func()->_q_lookupFinished(reply); },
             Qt::BlockingQueuedConnection);
@@ -965,6 +965,13 @@ void QDnsLookupPrivate::_q_lookupFinished(const QDnsLookupReply &_reply)
     }
 }
 
+inline QDnsLookupRunnable::QDnsLookupRunnable(const QDnsLookupPrivate *d)
+    : requestName(QUrl::toAce(d->name)),
+      nameserver(d->nameserver),
+      requestType(d->type)
+{
+}
+
 void QDnsLookupRunnable::run()
 {
     QDnsLookupReply reply;
@@ -978,7 +985,7 @@ void QDnsLookupRunnable::run()
     }
 
     // Perform request.
-    query(requestType, requestName, nameserver, &reply);
+    query(&reply);
 
     // Sort results.
     qt_qdnsmailexchangerecord_sort(reply.mailExchangeRecords);

src/network/kernel/qdnslookup_dummy.cpp

@@ -5,13 +5,9 @@
 
 QT_BEGIN_NAMESPACE
 
-void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply)
+void QDnsLookupRunnable::query(QDnsLookupReply *reply)
 {
-    Q_UNUSED(requestType);
-    Q_UNUSED(requestName);
-    Q_UNUSED(nameserver);
-    Q_UNUSED(reply);
-    qWarning("Not yet supported on Android");
+    qWarning("Not yet supported on this OS");
     reply->error = QDnsLookup::ResolverError;
     reply->errorString = tr("Not yet supported on this OS");
     return;

src/network/kernel/qdnslookup_p.h

@@ -102,21 +102,17 @@ class QDnsLookupRunnable : public QObject, public QRunnable
     Q_OBJECT
 
 public:
-    QDnsLookupRunnable(QDnsLookup::Type type, const QByteArray &name, const QHostAddress &nameserver)
-        : requestType(type)
-        , requestName(name)
-        , nameserver(nameserver)
-    { }
+    QDnsLookupRunnable(const QDnsLookupPrivate *d);
     void run() override;
 
 signals:
     void finished(const QDnsLookupReply &reply);
 
 private:
-    static void query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply);
-    QDnsLookup::Type requestType;
+    void query(QDnsLookupReply *reply);
     QByteArray requestName;
     QHostAddress nameserver;
+    QDnsLookup::Type requestType;
 };
 
 class QDnsLookupThreadPool : public QThreadPool

src/network/kernel/qdnslookup_unix.cpp

@@ -100,7 +100,7 @@ static const char *applyNameServer(res_state state, const QHostAddress &nameserv
 }
 #endif // !QT_CONFIG(res_setservers)
 
-void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply)
+void QDnsLookupRunnable::query(QDnsLookupReply *reply)
 {
     // Initialize state.
     std::remove_pointer_t<res_state> state = {};

src/network/kernel/qdnslookup_win.cpp

@@ -51,7 +51,7 @@ DNS_STATUS WINAPI DnsQueryEx(PDNS_QUERY_REQUEST pQueryRequest,
 
 QT_BEGIN_NAMESPACE
 
-void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply)
+void QDnsLookupRunnable::query(QDnsLookupReply *reply)
 {
     // Perform DNS query.
     const QString requestNameUtf16 = QString::fromUtf8(requestName.data(), requestName.size());