* Fixed a stupid error in util.h

* Added a --system command line option to dbusxx-introspect (to use the system bus)
* Added a simple client-side example using HAL to demonstrate how to receive signals



git-svn-id: http://dev.openwengo.org/svn/openwengo/wengophone-ng/branches/wengophone-dbus-api/libs/dbus@8519 30a43799-04e7-0310-8b2b-ea0d24f86d0e
This commit is contained in:
pdurante 2006-11-23 12:17:44 +00:00
parent a9e3429b9e
commit cb5ba80633
19 changed files with 885 additions and 374 deletions

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#include "hal-listen.h"
#include <signal.h>
#include <iostream>
HalManagerProxy::HalManagerProxy( DBus::Connection& connection )
: DBus::InterfaceProxy("org.freedesktop.Hal.Manager"),
DBus::ObjectProxy(connection, "/org/freedesktop/Hal/Manager", "org.freedesktop.Hal")
{
connect_signal(HalManagerProxy, DeviceAdded, DeviceAddedCb);
connect_signal(HalManagerProxy, DeviceRemoved, DeviceRemovedCb);
std::vector< DBus::String > devices = GetAllDevices();
std::vector< DBus::String >::iterator it;
for(it = devices.begin(); it != devices.end(); ++it)
{
DBus::Path udi = *it;
std::cout << "found device " << udi << std::endl;
_devices[udi] = new HalDeviceProxy(connection, udi);
}
}
std::vector< DBus::String > HalManagerProxy::GetAllDevices()
{
std::vector< DBus::String > udis;
DBus::CallMessage call;
call.member("GetAllDevices");
DBus::Message reply = invoke_method(call);
DBus::MessageIter it = reply.reader();
it >> udis;
return udis;
}
void HalManagerProxy::DeviceAddedCb( const DBus::SignalMessage& sig )
{
DBus::MessageIter it = sig.reader();
DBus::String devname;
it >> devname;
DBus::Path udi(devname);
_devices[devname] = new HalDeviceProxy(conn(), udi);
std::cout << "added device " << udi << std::endl;
}
void HalManagerProxy::DeviceRemovedCb( const DBus::SignalMessage& sig )
{
DBus::MessageIter it = sig.reader();
DBus::String devname;
it >> devname;
std::cout << "removed device " << devname << std::endl;
_devices.erase(devname);
}
HalDeviceProxy::HalDeviceProxy( DBus::Connection& connection, DBus::Path& udi )
: DBus::InterfaceProxy("org.freedesktop.Hal.Device"),
DBus::ObjectProxy(connection, udi, "org.freedesktop.Hal")
{
connect_signal(HalDeviceProxy, PropertyModified, PropertyModifiedCb);
connect_signal(HalDeviceProxy, Condition, ConditionCb);
}
void HalDeviceProxy::PropertyModifiedCb( const DBus::SignalMessage& sig )
{
typedef DBus::Struct< DBus::String, DBus::Bool, DBus::Bool > HalProperty;
DBus::MessageIter it = sig.reader();
DBus::Int32 number;
it >> number;
DBus::MessageIter arr = it.recurse();
for(int i = 0; i < number; ++i, ++arr)
{
HalProperty hp;
arr >> hp;
std::cout << "modified property " << hp._1 << std::endl;
}
}
void HalDeviceProxy::ConditionCb( const DBus::SignalMessage& sig )
{
DBus::MessageIter it = sig.reader();
DBus::String condition;
it >> condition;
std::cout << "encountered condition " << condition << std::endl;
}
DBus::BusDispatcher dispatcher;
void niam( int sig )
{
dispatcher.leave();
}
int main()
{
signal(SIGTERM, niam);
signal(SIGINT, niam);
DBus::default_dispatcher = &dispatcher;
DBus::Connection conn = DBus::Connection::SystemBus();
HalManagerProxy hal(conn);
dispatcher.enter();
return 0;
}

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#ifndef __DEMO_HAL_LISTEN_H
#define __DEMO_HAL_LISTEN_H
#include <dbus-c++/dbus.h>
#include <vector>
#include <map>
class HalDeviceProxy;
class HalManagerProxy
: public DBus::InterfaceProxy,
public DBus::ObjectProxy
{
public:
HalManagerProxy( DBus::Connection& connection );
std::vector< DBus::String > GetAllDevices();
private:
void DeviceAddedCb( const DBus::SignalMessage& sig );
void DeviceRemovedCb( const DBus::SignalMessage& sig );
std::map< DBus::String, DBus::RefPtr< HalDeviceProxy > > _devices;
};
class HalDeviceProxy
: public DBus::InterfaceProxy,
public DBus::ObjectProxy
{
public:
HalDeviceProxy( DBus::Connection& connection, DBus::Path& udi );
private:
void PropertyModifiedCb( const DBus::SignalMessage& sig );
void ConditionCb( const DBus::SignalMessage& sig );
};
#endif//__DEMO_HAL_LISTEN_H