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