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#ifndef CORE_DBUS_WRAP_H
#define CORE_DBUS_WRAP_H
#include <memory>
#include <dbus/dbus.h>
#include "dynload.h"
#define DBUS_FUNCTIONS(MAGIC) \
MAGIC(dbus_error_init) \
MAGIC(dbus_error_free) \
MAGIC(dbus_bus_get) \
MAGIC(dbus_connection_set_exit_on_disconnect) \
MAGIC(dbus_connection_unref) \
MAGIC(dbus_connection_send_with_reply_and_block) \
MAGIC(dbus_message_unref) \
MAGIC(dbus_message_new_method_call) \
MAGIC(dbus_message_append_args) \
MAGIC(dbus_message_iter_init) \
MAGIC(dbus_message_iter_next) \
MAGIC(dbus_message_iter_recurse) \
MAGIC(dbus_message_iter_get_arg_type) \
MAGIC(dbus_message_iter_get_basic) \
MAGIC(dbus_set_error_from_message)
#ifdef HAVE_DYNLOAD
#include <mutex>
extern void *dbus_handle;
#define DECL_FUNC(x) extern decltype(x) *p##x;
DBUS_FUNCTIONS(DECL_FUNC)
#undef DECL_FUNC
void PrepareDBus();
inline auto HasDBus()
{
static std::once_flag init_dbus{};
std::call_once(init_dbus, PrepareDBus);
return dbus_handle;
}
#else
#define DECL_FUNC(x) constexpr auto p##x = &x;
DBUS_FUNCTIONS(DECL_FUNC)
#undef DECL_FUNC
constexpr bool HasDBus() noexcept { return true; }
#endif /* HAVE_DYNLOAD */
namespace dbus {
struct Error {
Error() { (*pdbus_error_init)(&mError); }
~Error() { (*pdbus_error_free)(&mError); }
DBusError* operator->() { return &mError; }
DBusError &get() { return mError; }
private:
DBusError mError{};
};
struct ConnectionDeleter {
void operator()(DBusConnection *c) { (*pdbus_connection_unref)(c); }
};
using ConnectionPtr = std::unique_ptr<DBusConnection,ConnectionDeleter>;
} // namespace dbus
#endif /* CORE_DBUS_WRAP_H */
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