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(Broken) example of querying NetworkManager connection settings using dbus-cpp
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#include <iostream> | |
#include <core/dbus/dbus.h> | |
#include <core/dbus/asio/executor.h> | |
struct NetworkManager { | |
static const std::string &default_path() { | |
static const std::string s{"/org/freedesktop/NetworkManager"}; | |
return s; | |
} | |
static const std::string &name() { | |
static const std::string s{"org.freedesktop.NetworkManager"}; | |
return s; | |
} | |
}; | |
struct Settings { | |
static const std::string &default_path() { | |
static const std::string s{"/org/freedesktop/NetworkManager/Settings"}; | |
return s; | |
} | |
static const std::string &name() { | |
static const std::string s{"org.freedesktop.NetworkManager.Settings"}; | |
return s; | |
} | |
struct ListConnections { | |
typedef Settings Interface; | |
static const std::string &name() { | |
static const std::string s{"ListConnections"}; | |
return s; | |
} | |
static const std::chrono::milliseconds default_timeout() { | |
return std::chrono::seconds{10}; | |
} | |
typedef void ArgumentType; | |
typedef std::vector<core::dbus::types::ObjectPath> ResultType; | |
}; | |
}; | |
struct Connection { | |
static const std::string &default_path() { | |
static const std::string s{"/org/freedesktop/NetworkManager/Settings/Connection"}; | |
return s; | |
} | |
static const std::string &name() { | |
static const std::string s{"org.freedesktop.NetworkManager.Settings.Connection"}; | |
return s; | |
} | |
struct GetSettings { | |
typedef Connection Interface; | |
static const std::string &name() { | |
static const std::string s{"GetSettings"}; | |
return s; | |
} | |
static const std::chrono::milliseconds default_timeout() { return std::chrono::seconds{10}; } | |
typedef void ArgumentType; | |
//This is what dbus-cppc suggested the type should be | |
typedef std::vector<std::pair<std::string, std::vector<std::pair<std::string, core::dbus::types::Variant>>>> ResultType; | |
}; | |
}; | |
int main() { | |
core::dbus::Bus::Ptr system_bus = std::make_shared<core::dbus::Bus>(core::dbus::WellKnownBus::system); | |
system_bus->install_executor(core::dbus::asio::make_executor(system_bus)); | |
std::thread t {std::bind(&core::dbus::Bus::run, system_bus)}; | |
auto nm_service = core::dbus::Service::use_service(system_bus, core::dbus::traits::Service<NetworkManager>::interface_name()); | |
auto settings_obj = nm_service->object_for_path(core::dbus::types::ObjectPath(Settings::default_path())); | |
auto connection_list_result = settings_obj->invoke_method_synchronously<Settings::ListConnections, Settings::ListConnections::ResultType>(); | |
std::for_each(connection_list_result.value().begin(), connection_list_result.value().end(), [nm_service](const core::dbus::types::ObjectPath &path) { | |
std::cout << "connection path: " << path << std::endl; | |
auto connection_obj = nm_service->object_for_path(core::dbus::types::ObjectPath(path)); | |
//Exception gets raised here | |
auto settings_list = connection_obj->invoke_method_synchronously<Connection::GetSettings, Connection::GetSettings::ResultType>(); | |
// std::for_each(settings_list.value().begin(), settings_list.value().end(), [](const std::pair<std::string, std::vector<std::pair<std::string, core::dbus::types::Variant>>> &setting) { | |
//// std::cout << "\t" << setting.first << std::endl; | |
// }); | |
}); | |
system_bus->stop(); | |
if (t.joinable()) { | |
t.join(); | |
} | |
return 0; | |
} |
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