diff options
| -rw-r--r-- | src/dbus/qdbusinterface.cpp | 126 | ||||
| -rw-r--r-- | tests/auto/qdbusinterface/tst_qdbusinterface.cpp | 92 |
2 files changed, 209 insertions, 9 deletions
diff --git a/src/dbus/qdbusinterface.cpp b/src/dbus/qdbusinterface.cpp index 6f61847..5f6df0a 100644 --- a/src/dbus/qdbusinterface.cpp +++ b/src/dbus/qdbusinterface.cpp @@ -51,6 +51,102 @@ QT_BEGIN_NAMESPACE +static void copyArgument(void *to, int id, const QVariant &arg) +{ + if (id == arg.userType()) { + switch (id) { + case QVariant::Bool: + *reinterpret_cast<bool *>(to) = arg.toBool(); + return; + + case QMetaType::UChar: + *reinterpret_cast<uchar *>(to) = arg.value<uchar>(); + return; + + case QMetaType::Short: + *reinterpret_cast<short *>(to) = arg.value<short>(); + return; + + case QMetaType::UShort: + *reinterpret_cast<ushort *>(to) = arg.value<ushort>(); + return; + + case QVariant::Int: + *reinterpret_cast<int *>(to) = arg.toInt(); + return; + + case QVariant::UInt: + *reinterpret_cast<uint *>(to) = arg.toUInt(); + return; + + case QVariant::LongLong: + *reinterpret_cast<qlonglong *>(to) = arg.toLongLong(); + return; + + case QVariant::ULongLong: + *reinterpret_cast<qulonglong *>(to) = arg.toULongLong(); + return; + + case QVariant::Double: + *reinterpret_cast<double *>(to) = arg.toDouble(); + return; + + case QVariant::String: + *reinterpret_cast<QString *>(to) = arg.toString(); + return; + + case QVariant::ByteArray: + *reinterpret_cast<QByteArray *>(to) = arg.toByteArray(); + return; + + case QVariant::StringList: + *reinterpret_cast<QStringList *>(to) = arg.toStringList(); + return; + } + + if (id == QDBusMetaTypeId::variant) { + *reinterpret_cast<QDBusVariant *>(to) = arg.value<QDBusVariant>(); + return; + } else if (id == QDBusMetaTypeId::objectpath) { + *reinterpret_cast<QDBusObjectPath *>(to) = arg.value<QDBusObjectPath>(); + return; + } else if (id == QDBusMetaTypeId::signature) { + *reinterpret_cast<QDBusSignature *>(to) = arg.value<QDBusSignature>(); + return; + } + + // those above are the only types possible + // the demarshaller code doesn't demarshall anything else + qFatal("Found a decoded basic type in a D-Bus reply that shouldn't be there"); + } + + // if we got here, it's either an un-dermarshalled type or a mismatch + if (arg.userType() != QDBusMetaTypeId::argument) { + // it's a mismatch + //qWarning? + return; + } + + // is this type registered? + const char *userSignature = QDBusMetaType::typeToSignature(id); + if (!userSignature || !*userSignature) { + // type not registered + //qWarning? + return; + } + + // is it the same signature? + QDBusArgument dbarg = arg.value<QDBusArgument>(); + if (dbarg.currentSignature() != QLatin1String(userSignature)) { + // not the same signature, another mismatch + //qWarning? + return; + } + + // we can demarshall + QDBusMetaType::demarshall(dbarg, id, to); +} + QDBusInterfacePrivate::QDBusInterfacePrivate(const QString &serv, const QString &p, const QString &iface, const QDBusConnection &con) : QDBusAbstractInterfacePrivate(serv, p, iface, con, true), metaObject(0) @@ -186,23 +282,37 @@ int QDBusInterfacePrivate::metacall(QMetaObject::Call c, int id, void **argv) // we will assume that the input arguments were passed correctly QVariantList args; - for (int i = 1; i <= inputTypesCount; ++i) + int i = 1; + for ( ; i <= inputTypesCount; ++i) args << QVariant(inputTypes[i], argv[i]); // make the call - QPointer<QDBusInterface> qq = q; QDBusMessage reply = q->callWithArgumentList(QDBus::Block, methodName, args); - args.clear(); - // we ignore return values + if (reply.type() == QDBusMessage::ReplyMessage) { + // attempt to demarshall the return values + args = reply.arguments(); + QVariantList::ConstIterator it = args.constBegin(); + const int *outputTypes = metaObject->outputTypesForMethod(id); + int outputTypesCount = *outputTypes++; + + if (*mm.typeName()) { + // this method has a return type + if (argv[0] && it != args.constEnd()) + copyArgument(argv[0], *outputTypes++, *it); - // access to "this" or to "q" below this point must check for "qq" - // we may have been deleted! + // skip this argument even if we didn't copy it + --outputTypesCount; + ++it; + } - if (!qq.isNull()) - lastError = reply; + for (int j = 0; j < outputTypesCount && it != args.constEnd(); ++i, ++j, ++it) { + copyArgument(argv[i], outputTypes[j], *it); + } + } // done + lastError = reply; return -1; } } diff --git a/tests/auto/qdbusinterface/tst_qdbusinterface.cpp b/tests/auto/qdbusinterface/tst_qdbusinterface.cpp index 718ba18..60afe4e 100644 --- a/tests/auto/qdbusinterface/tst_qdbusinterface.cpp +++ b/tests/auto/qdbusinterface/tst_qdbusinterface.cpp @@ -76,6 +76,12 @@ class MyObject: public QObject " <arg direction=\"out\" type=\"v\" name=\"pong1\" />\n" " <arg direction=\"out\" type=\"v\" name=\"pong2\" />\n" " </method>\n" +" <method name=\"ping\" >\n" +" <arg direction=\"in\" type=\"ai\" name=\"ping\" />\n" +" <arg direction=\"out\" type=\"ai\" name=\"ping\" />\n" +" <annotation name=\"com.trolltech.QtDBus.QtTypeName.In0\" value=\"QList<int>\"/>\n" +" <annotation name=\"com.trolltech.QtDBus.QtTypeName.Out0\" value=\"QList<int>\"/>\n" +" </method>\n" " </interface>\n" "") Q_PROPERTY(int prop1 READ prop1 WRITE setProp1) @@ -174,6 +180,9 @@ private slots: void introspect(); void callMethod(); void invokeMethod(); + void invokeMethodWithReturn(); + void invokeMethodWithMultiReturn(); + void invokeMethodWithComplexReturn(); void signal(); @@ -263,7 +272,7 @@ void tst_QDBusInterface::introspect() const QMetaObject *mo = iface.metaObject(); - QCOMPARE(mo->methodCount() - mo->methodOffset(), 3); + QCOMPARE(mo->methodCount() - mo->methodOffset(), 4); QVERIFY(mo->indexOfSignal(TEST_SIGNAL_NAME "(QString)") != -1); QCOMPARE(mo->propertyCount() - mo->propertyOffset(), 2); @@ -317,6 +326,87 @@ void tst_QDBusInterface::invokeMethod() QCOMPARE(dv.variant().toString(), QString("foo")); } +void tst_QDBusInterface::invokeMethodWithReturn() +{ + QDBusConnection con = QDBusConnection::sessionBus(); + QDBusInterface iface(QDBusConnection::sessionBus().baseService(), QLatin1String("/"), + TEST_INTERFACE_NAME); + + // make the call without a return type + MyObject::callCount = 0; + QDBusVariant arg("foo"); + QDBusVariant retArg; + QVERIFY(QMetaObject::invokeMethod(&iface, "ping", Q_RETURN_ARG(QDBusVariant, retArg), Q_ARG(QDBusVariant, arg))); + QCOMPARE(MyObject::callCount, 1); + + // verify what the callee received + QCOMPARE(MyObject::callArgs.count(), 1); + QVariant v = MyObject::callArgs.at(0); + QDBusVariant dv = qdbus_cast<QDBusVariant>(v); + QCOMPARE(dv.variant().type(), QVariant::String); + QCOMPARE(dv.variant().toString(), arg.variant().toString()); + + // verify that we got the reply as expected + QCOMPARE(retArg.variant(), arg.variant()); +} + +void tst_QDBusInterface::invokeMethodWithMultiReturn() +{ + QDBusConnection con = QDBusConnection::sessionBus(); + QDBusInterface iface(QDBusConnection::sessionBus().baseService(), QLatin1String("/"), + TEST_INTERFACE_NAME); + + // make the call without a return type + MyObject::callCount = 0; + QDBusVariant arg("foo"), arg2("bar"); + QDBusVariant retArg, retArg2; + QVERIFY(QMetaObject::invokeMethod(&iface, "ping", + Q_RETURN_ARG(QDBusVariant, retArg), + Q_ARG(QDBusVariant, arg), + Q_ARG(QDBusVariant, arg2), + Q_ARG(QDBusVariant&, retArg2))); + QCOMPARE(MyObject::callCount, 1); + + // verify what the callee received + QCOMPARE(MyObject::callArgs.count(), 2); + QVariant v = MyObject::callArgs.at(0); + QDBusVariant dv = qdbus_cast<QDBusVariant>(v); + QCOMPARE(dv.variant().type(), QVariant::String); + QCOMPARE(dv.variant().toString(), arg.variant().toString()); + + v = MyObject::callArgs.at(1); + dv = qdbus_cast<QDBusVariant>(v); + QCOMPARE(dv.variant().type(), QVariant::String); + QCOMPARE(dv.variant().toString(), arg2.variant().toString()); + + // verify that we got the replies as expected + QCOMPARE(retArg.variant(), arg.variant()); + QCOMPARE(retArg2.variant(), arg2.variant()); +} + +void tst_QDBusInterface::invokeMethodWithComplexReturn() +{ + QDBusConnection con = QDBusConnection::sessionBus(); + QDBusInterface iface(QDBusConnection::sessionBus().baseService(), QLatin1String("/"), + TEST_INTERFACE_NAME); + + // make the call without a return type + MyObject::callCount = 0; + QList<int> arg = QList<int>() << 42 << -47; + QList<int> retArg; + QVERIFY(QMetaObject::invokeMethod(&iface, "ping", Q_RETURN_ARG(QList<int>, retArg), Q_ARG(QList<int>, arg))); + QCOMPARE(MyObject::callCount, 1); + + // verify what the callee received + QCOMPARE(MyObject::callArgs.count(), 1); + QVariant v = MyObject::callArgs.at(0); + QCOMPARE(v.userType(), qMetaTypeId<QDBusArgument>()); + QCOMPARE(qdbus_cast<QList<int> >(v), arg); + + // verify that we got the reply as expected + QCOMPARE(retArg, arg); +} + void tst_QDBusInterface::signal() { QDBusConnection con = QDBusConnection::sessionBus(); |