Files
sdbus-cpp/examples/org.freedesktop.DBus.ObjectManager/obj-manager-server.cpp
2021-10-18 11:58:07 +02:00

108 lines
3.5 KiB
C++

/**
* Example of a D-Bus server which implements org.freedesktop.DBus.ObjectManager
*
* The example uses the generated stub API layer to register an object manager under "org.sdbuscpp.examplemanager"
* and add objects underneath which implement "org.sdbuscpp.ExampleManager.Planet1".
*
* We add and remove objects after a few seconds and print info like this:
* Creating PlanetAdaptor in 5 4 3 2 1
* Creating PlanetAdaptor in 5 4 3 2 1
* Creating PlanetAdaptor in 5 4 3 2 1
* Removing PlanetAdaptor in 5 4 3 2 1
* Removing PlanetAdaptor in 5 4 3 2 1
*/
#include "examplemanager-planet1-server-glue.h"
#include <sdbus-c++/sdbus-c++.h>
#include <iostream>
#include <memory>
#include <thread>
#include <chrono>
class ManagerAdaptor : public sdbus::AdaptorInterfaces< sdbus::ObjectManager_adaptor >
{
public:
ManagerAdaptor(sdbus::IConnection& connection, std::string path)
: AdaptorInterfaces(connection, std::move(path))
{
registerAdaptor();
}
~ManagerAdaptor()
{
unregisterAdaptor();
}
};
class PlanetAdaptor final : public sdbus::AdaptorInterfaces< org::sdbuscpp::ExampleManager::Planet1_adaptor,
sdbus::ManagedObject_adaptor,
sdbus::Properties_adaptor >
{
public:
PlanetAdaptor(sdbus::IConnection& connection, std::string path, std::string name, uint64_t poulation)
: AdaptorInterfaces(connection, std::move(path))
, m_name(std::move(name))
, m_population(poulation)
{
registerAdaptor();
emitInterfacesAddedSignal({org::sdbuscpp::ExampleManager::Planet1_adaptor::INTERFACE_NAME});
}
~PlanetAdaptor()
{
emitInterfacesRemovedSignal({org::sdbuscpp::ExampleManager::Planet1_adaptor::INTERFACE_NAME});
unregisterAdaptor();
}
uint64_t GetPopulation() override
{
return m_population;
}
std::string Name() override
{
return m_name;
}
private:
std::string m_name;
uint64_t m_population;
};
void printCountDown(const std::string& message, int seconds)
{
std::cout << message << std::flush;
for (int i = seconds; i > 0; i--) {
std::this_thread::sleep_for(std::chrono::seconds(1));
std::cout << i << " " << std::flush;
}
std::cout << std::endl;
}
int main()
{
auto connection = sdbus::createSessionBusConnection();
connection->requestName("org.sdbuscpp.examplemanager");
connection->enterEventLoopAsync();
auto manager = std::make_unique<ManagerAdaptor>(*connection, "/org/sdbuscpp/examplemanager");
while (true)
{
printCountDown("Creating PlanetAdaptor in ", 5);
auto earth = std::make_unique<PlanetAdaptor>(*connection, "/org/sdbuscpp/examplemanager/Planet1/Earth", "Earth", 7'874'965'825);
printCountDown("Creating PlanetAdaptor in ", 5);
auto trantor = std::make_unique<PlanetAdaptor>(*connection, "/org/sdbuscpp/examplemanager/Planet1/Trantor", "Trantor", 40'000'000'000);
printCountDown("Creating PlanetAdaptor in ", 5);
auto laconia = std::make_unique<PlanetAdaptor>(*connection, "/org/sdbuscpp/examplemanager/Planet1/Laconia", "Laconia", 231'721);
printCountDown("Removing PlanetAdaptor in ", 5);
earth.reset();
printCountDown("Removing PlanetAdaptor in ", 5);
trantor.reset();
printCountDown("Removing PlanetAdaptor in ", 5);
laconia.reset();
}
connection->releaseName("org.sdbuscpp.examplemanager");
connection->leaveEventLoop();
return 0;
}