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#include "program_options.h"
#include "com/ubuntu/location/provider_factory.h"
#include "com/ubuntu/location/service/default_configuration.h"
#include "com/ubuntu/location/service/implementation.h"
#include <org/freedesktop/dbus/announcer.h>
#include <org/freedesktop/dbus/asio/executor.h>
#include <thread>
namespace cul = com::ubuntu::location;
namespace culs = com::ubuntu::location::service;
namespace dbus = org::freedesktop::dbus;
int main(int argc, char** argv)
{
cul::ProgramOptions options;
options.add("help", "Produces this help message");
options.add(
"bus",
"The well-known bus to announce the service upon",
std::string{"session"});
options.add_composed<std::vector<std::string>>(
"provider",
"The providers that should be added to the engine");
if (!options.parse_from_command_line_args(argc, argv))
return EXIT_FAILURE;
if (options.value_count_for_key("help") > 0)
{
options.print_help(std::cout);
return EXIT_SUCCESS;
}
if (options.value_count_for_key("provider") == 0)
{
std::cout << "A set of providers need to be specified. The following providers are known:" << std::endl;
cul::ProviderFactory::instance().enumerate(
[](const std::string& name, const cul::ProviderFactory::Factory&)
{
std::cout << "\t" << name << std::endl;
});
return EXIT_FAILURE;
}
auto selected_providers = options.value_for_key<std::vector<std::string>>("provider");
std::map<std::string, cul::ProviderFactory::Configuration> config_lut;
std::set<cul::Provider::Ptr> instantiated_providers;
for (const std::string& provider : selected_providers)
{
std::cout << "Instantiating and configuring: " << provider << std::endl;
options.enumerate_unrecognized_options(
[&config_lut, provider](const std::string& s)
{
std::stringstream in(s);
std::string key, value;
std::getline(in, key, '=');
std::getline(in, value, '=');
std::size_t pos = key.find(provider);
if (pos == std::string::npos)
return;
static const std::string option_marker{"--"};
static const std::string scope_separator{"::"};
key = key.erase(key.find_first_of(option_marker), option_marker.size());
key = key.erase(key.find_first_of(provider), provider.size());
key = key.erase(key.find_first_of(scope_separator), scope_separator.size());
std::cout << "\t" << key << " -> " << value << std::endl;
config_lut[provider][key] = value;
});
try
{
auto p = cul::ProviderFactory::instance().create_provider_for_name_with_config(
provider,
config_lut[provider]);
if (p)
instantiated_providers.insert(p);
else
throw std::runtime_error("Problem instantiating provider");
} catch(const std::runtime_error& e)
{
std::cerr << "Exception instantiating provider: " << e.what() << " ... Aborting now." << std::endl;
return EXIT_FAILURE;
}
}
static const std::map<std::string, dbus::WellKnownBus> lut =
{
{"session", dbus::WellKnownBus::session},
{"system", dbus::WellKnownBus::system},
};
dbus::Bus::Ptr bus
{
new dbus::Bus{lut.at(options.value_for_key<std::string>("bus"))}
};
bus->install_executor(
dbus::Executor::Ptr(
new dbus::asio::Executor{bus}));
culs::DefaultConfiguration config;
auto location_service =
dbus::announce_service_on_bus<
culs::Interface,
culs::Implementation
>(
bus,
config.the_engine(
instantiated_providers,
config.the_provider_selection_policy()),
config.the_permission_manager());
std::thread t{[bus](){bus->run();}};
if (t.joinable())
t.join();
return EXIT_SUCCESS;
}
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