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/*
* Copyright © 2013 David Herrmann <dh.herrmann@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _WESTON_DBUS_H_
#define _WESTON_DBUS_H_
#include "config.h"
#include <errno.h>
#include <wayland-server.h>
#include "compositor.h"
#ifdef HAVE_DBUS
#include <dbus/dbus.h>
/*
* weston_dbus_open() - Open new dbus connection
*
* Opens a new dbus connection to the bus given as @bus. It automatically
* integrates the new connection into the main-loop @loop. The connection
* itself is returned in @out.
* This also returns a context source used for dbus dispatching. It is
* returned on success in @ctx_out and must be passed to weston_dbus_close()
* unchanged. You must not access it from outside of a dbus helper!
*
* Returns 0 on success, negative error code on failure.
*/
int weston_dbus_open(struct wl_event_loop *loop, DBusBusType bus,
DBusConnection **out, struct wl_event_source **ctx_out);
/*
* weston_dbus_close() - Close dbus connection
*
* Closes a dbus connection that was previously opened via weston_dbus_open().
* It unbinds the connection from the main-loop it was previously bound to,
* closes the dbus connection and frees all resources. If you want to access
* @c after this call returns, you must hold a dbus-reference to it. But
* notice that the connection is closed after this returns so it cannot be
* used to spawn new dbus requests.
* You must pass the context source returns by weston_dbus_open() as @ctx.
*/
void weston_dbus_close(DBusConnection *c, struct wl_event_source *ctx);
/*
* weston_dbus_add_match() - Add dbus match
*
* Configure a dbus-match on the given dbus-connection. This match is saved
* on the dbus-server as long as the connection is open. See dbus-manual
* for information. Compared to the dbus_bus_add_match() this allows a
* var-arg formatted match-string.
*/
int weston_dbus_add_match(DBusConnection *c, const char *format, ...);
/*
* weston_dbus_add_match_signal() - Add dbus signal match
*
* Same as weston_dbus_add_match() but does the dbus-match formatting for
* signals internally.
*/
int weston_dbus_add_match_signal(DBusConnection *c, const char *sender,
const char *iface, const char *member,
const char *path);
/*
* weston_dbus_remove_match() - Remove dbus match
*
* Remove a previously configured dbus-match from the dbus server. There is
* no need to remove dbus-matches if you close the connection, anyway.
* Compared to dbus_bus_remove_match() this allows a var-arg formatted
* match string.
*/
void weston_dbus_remove_match(DBusConnection *c, const char *format, ...);
/*
* weston_dbus_remove_match_signal() - Remove dbus signal match
*
* Same as weston_dbus_remove_match() but does the dbus-match formatting for
* signals internally.
*/
void weston_dbus_remove_match_signal(DBusConnection *c, const char *sender,
const char *iface, const char *member,
const char *path);
#endif /* HAVE_DBUS */
#endif // _WESTON_DBUS_H_
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