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* qt/examples/dbus.cpp: Enhance error messages and use

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QDBusInterfacePtr.
This commit is contained in:
Thiago Macieira 2006-04-29 12:49:21 +00:00
parent 7cabddaa42
commit 3ad7ee6334
2 changed files with 46 additions and 22 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2006-04-29 Thiago Macieira <thiago.macieira@trolltech.com>
* qt/examples/dbus.cpp: Enhance error messages and use
QDBusInterfacePtr.
2006-04-29 Thiago Macieira <thiago.macieira@trolltech.com>
* qt/qdbusinterface.h: Rename QDBusRef to QDBusInterfacePtr

63
qt/examples/dbus.cpp
View file

@ -33,8 +33,15 @@ QDBusConnection *connection;
void listObjects(const QString &service, const QString &path)
{
QDBusInterface *iface = connection->findInterface(service, path.isEmpty() ? "/" : path,
"org.freedesktop.DBus.Introspectable");
QDBusInterfacePtr iface(*connection, service, path.isEmpty() ? "/" : path,
"org.freedesktop.DBus.Introspectable");
if (!iface->isValid()) {
QDBusError err(iface->lastError());
fprintf(stderr, "Cannot introspect object %s at %s:\n%s (%s)\n",
qPrintable(path.isEmpty() ? "/" : path), qPrintable(service),
qPrintable(err.name()), qPrintable(err.message()));
exit(1);
}
QDBusReply<QString> xml = iface->call("Introspect");
if (xml.isError())
@ -52,13 +59,18 @@ void listObjects(const QString &service, const QString &path)
}
child = child.nextSiblingElement();
}
delete iface;
}
void listInterface(const QString &service, const QString &path, const QString &interface)
{
QDBusInterface *iface = connection->findInterface(service, path, interface);
QDBusInterfacePtr iface(*connection, service, path, interface);
if (!iface->isValid()) {
QDBusError err(iface->lastError());
fprintf(stderr, "Interface '%s' not available in object %s at %s:\n%s (%s)\n",
qPrintable(interface), qPrintable(path), qPrintable(service),
qPrintable(err.name()), qPrintable(err.message()));
exit(1);
}
const QMetaObject *mo = iface->metaObject();
// properties
@ -101,13 +113,18 @@ void listInterface(const QString &service, const QString &path, const QString &i
}
printf(")\n");
}
delete iface;
}
void listAllInterfaces(const QString &service, const QString &path)
{
QDBusInterface *iface = connection->findInterface(service, path,
"org.freedesktop.DBus.Introspectable");
QDBusInterfacePtr iface(*connection, service, path, "org.freedesktop.DBus.Introspectable");
if (!iface->isValid()) {
QDBusError err(iface->lastError());
fprintf(stderr, "Cannot introspect object %s at %s:\n%s (%s)\n",
qPrintable(path), qPrintable(service),
qPrintable(err.name()), qPrintable(err.message()));
exit(1);
}
QDBusReply<QString> xml = iface->call("Introspect");
if (xml.isError())
@ -123,8 +140,6 @@ void listAllInterfaces(const QString &service, const QString &path)
}
child = child.nextSiblingElement();
}
delete iface;
}
QStringList readList(int &argc, const char *const *&argv)
@ -142,12 +157,12 @@ QStringList readList(int &argc, const char *const *&argv)
void placeCall(const QString &service, const QString &path, const QString &interface,
const QString &member, int argc, const char *const *argv)
{
QDBusInterface *iface;
iface = connection->findInterface(service, path, interface);
if (!iface) {
fprintf(stderr, "Interface '%s' not available in object %s at %s\n",
qPrintable(interface), qPrintable(path), qPrintable(service));
QDBusInterfacePtr iface(*connection, service, path, interface);
if (!iface->isValid()) {
QDBusError err(iface->lastError());
fprintf(stderr, "Interface '%s' not available in object %s at %s:\n%s (%s)\n",
qPrintable(interface), qPrintable(path), qPrintable(service),
qPrintable(err.name()), qPrintable(err.message()));
exit(1);
}
@ -155,7 +170,7 @@ void placeCall(const QString &service, const QString &path, const QString &inter
QByteArray match = member.toLatin1();
match += '(';
int midx;
int midx = -1;
for (int i = mo->methodOffset(); i < mo->methodCount(); ++i) {
QMetaMethod mm = mo->method(i);
QByteArray signature = mm.signature();
@ -172,7 +187,7 @@ void placeCall(const QString &service, const QString &path, const QString &inter
exit(1);
}
QMetaMethod mm = iface->metaObject()->method(midx);
QMetaMethod mm = mo->method(midx);
QList<QByteArray> types = mm.parameterTypes();
QVariantList params;
@ -221,12 +236,16 @@ void placeCall(const QString &service, const QString &path, const QString &inter
}
foreach (QVariant v, reply) {
if (v.userType() == qMetaTypeId<QVariant>())
v = qvariant_cast<QVariant>(v);
printf("%s\n", qPrintable(v.toString()));
if (v.userType() == QVariant::StringList) {
foreach (QString s, v.toStringList())
printf("%s\n", qPrintable(s));
} else {
if (v.userType() == qMetaTypeId<QVariant>())
v = qvariant_cast<QVariant>(v);
printf("%s\n", qPrintable(v.toString()));
}
}
delete iface;
exit(0);
}