awesomewm-mirrors
/
awesome
mirror of https://github.com/awesomeWM/awesome.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

dbus: allow usage of the system bus 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2009-04-18 16:07:31 +02:00
parent fac192f6ef
commit 467737250c
6 changed files with 150 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
common/tokenize.gperf
View File

@ -82,6 +82,7 @@ right
role
screen
selected
session
Shift
size_hints
size_hints_honor
@ -89,6 +90,7 @@ skip_taskbar
south
start
sticky
system
text
ticks_count
ticks_gap

206
dbus.c
View File

@ -31,9 +31,10 @@
#include "event.h"
static DBusError err;
static DBusConnection *dbus_connection = NULL;
ev_io dbusio = { .fd = -1 };
static DBusConnection *dbus_connection_session = NULL;
static DBusConnection *dbus_connection_system = NULL;
ev_io dbusio_ses = { .fd = -1 };
ev_io dbusio_sys = { .fd = -1 };
static int
a_dbus_message_iter(DBusMessageIter *iter)
@ -219,7 +220,7 @@ a_dbus_message_iter(DBusMessageIter *iter)
}
static void
a_dbus_process_request(DBusMessage *msg)
a_dbus_process_request(DBusConnection *dbus_connection, DBusMessage *msg)
{
if(globalconf.hooks.dbus == LUA_REFNIL)
return;
@ -259,6 +260,12 @@ a_dbus_process_request(DBusMessage *msg)
lua_pushstring(globalconf.L, NONULL(s));
lua_setfield(globalconf.L, -2, "member");
if(dbus_connection == dbus_connection_system)
lua_pushliteral(globalconf.L, "system");
else
lua_pushliteral(globalconf.L, "session");
lua_setfield(globalconf.L, -2, "bus");
/* + 1 for the table above */
DBusMessageIter iter;
int nargs = 1;
@ -331,14 +338,11 @@ a_dbus_process_request(DBusMessage *msg)
}
static void
a_dbus_process_requests(EV_P_ ev_io *w, int revents)
a_dbus_process_requests_on_bus(DBusConnection *dbus_connection)
{
DBusMessage *msg;
int nmsg = 0;
if(!dbus_connection && !a_dbus_init())
return;
while(true)
{
dbus_connection_read_write(dbus_connection, 0);
@ -353,7 +357,7 @@ a_dbus_process_requests(EV_P_ ev_io *w, int revents)
return;
}
else
a_dbus_process_request(msg);
a_dbus_process_request(dbus_connection, msg);
dbus_message_unref(msg);
@ -366,14 +370,34 @@ a_dbus_process_requests(EV_P_ ev_io *w, int revents)
awesome_refresh();
}
static bool
a_dbus_request_name(const char *name)
static void
a_dbus_process_requests_session(EV_P_ ev_io *w, int revents)
{
a_dbus_process_requests_on_bus(dbus_connection_session);
}
static void
a_dbus_process_requests_system(EV_P_ ev_io *w, int revents)
{
a_dbus_process_requests_on_bus(dbus_connection_system);
}
static bool
a_dbus_request_name(DBusConnection *dbus_connection, const char *name)
{
DBusError err;
if(!dbus_connection)
return false;
dbus_error_init(&err);
int ret = dbus_bus_request_name(dbus_connection, name, 0, &err);
if(dbus_error_is_set(&err))
{
warn("failed to request D-Bus name: %s", err.message);
dbus_error_free(&err);
return false;
}
@ -389,13 +413,21 @@ a_dbus_request_name(const char *name)
}
static bool
a_dbus_release_name(const char *name)
a_dbus_release_name(DBusConnection *dbus_connection, const char *name)
{
DBusError err;
if(!dbus_connection)
return false;
dbus_error_init(&err);
int ret = dbus_bus_release_name(dbus_connection, name, &err);
if(dbus_error_is_set(&err))
{
warn("failed to release D-Bus name: %s", err.message);
dbus_error_free(&err);
return false;
}
@ -411,67 +443,99 @@ a_dbus_release_name(const char *name)
return true;
}
bool
a_dbus_init(void)
static DBusConnection *
a_dbus_connect(DBusBusType type, const char *type_name,
ev_io *dbusio, void *cb)
{
int fd;
DBusConnection *dbus_connection;
DBusError err;
dbus_error_init(&err);
dbus_connection = dbus_bus_get(DBUS_BUS_SESSION, &err);
dbus_connection = dbus_bus_get(type, &err);
if(dbus_error_is_set(&err))
{
warn("D-Bus session bus connection failed: %s", err.message);
warn("D-Bus session bus %s failed: %s", type_name, err.message);
dbus_connection = NULL;
dbus_error_free(&err);
return false;
}
dbus_connection_set_exit_on_disconnect(dbus_connection, FALSE);
a_dbus_request_name("org.awesome");
if(!dbus_connection_get_unix_fd(dbus_connection, &fd))
else
{
warn("cannot get D-Bus connection file descriptor");
a_dbus_cleanup();
return false;
dbus_connection_set_exit_on_disconnect(dbus_connection, FALSE);
if(dbus_connection_get_unix_fd(dbus_connection, &fd))
{
fcntl(fd, F_SETFD, FD_CLOEXEC);
ev_io_init(dbusio, cb, fd, EV_READ);
ev_io_start(EV_DEFAULT_UC_ dbusio);
ev_unref(EV_DEFAULT_UC);
}
else
{
warn("cannot get D-Bus connection file descriptor");
a_dbus_cleanup();
}
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
ev_io_init(&dbusio, a_dbus_process_requests, fd, EV_READ);
ev_io_start(EV_DEFAULT_UC_ &dbusio);
ev_unref(EV_DEFAULT_UC);
return true;
return dbus_connection;
}
void
a_dbus_cleanup(void)
a_dbus_init(void)
{
dbus_connection_session = a_dbus_connect(DBUS_BUS_SESSION, "session",
&dbusio_ses, a_dbus_process_requests_session);
dbus_connection_system = a_dbus_connect(DBUS_BUS_SYSTEM, "system",
&dbusio_sys, a_dbus_process_requests_system);
}
static void
a_dbus_cleanup_bus(DBusConnection *dbus_connection, ev_io *dbusio)
{
if(!dbus_connection)
return;
dbus_error_free(&err);
if(dbusio.fd >= 0)
if(dbusio->fd >= 0)
{
ev_ref(EV_DEFAULT_UC);
ev_io_stop(EV_DEFAULT_UC_ &dbusio);
dbusio.fd = -1;
ev_io_stop(EV_DEFAULT_UC_ dbusio);
dbusio->fd = -1;
}
/* This is a shared connection owned by libdbus
* Do not close it, only unref
*/
dbus_connection_unref(dbus_connection);
dbus_connection = NULL;
}
void
a_dbus_cleanup(void)
{
a_dbus_cleanup_bus(dbus_connection_session, &dbusio_ses);
a_dbus_cleanup_bus(dbus_connection_system, &dbusio_sys);
}
static DBusConnection *
a_dbus_bus_getbyname(const char *name, size_t len)
{
switch(a_tokenize(name, len))
{
case A_TK_SYSTEM:
return dbus_connection_system;
case A_TK_SESSION:
return dbus_connection_session;
default:
return NULL;
}
}
/** Register a D-Bus name to receive message from.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lparam A string indicating if we are using system or session bus.
* \lparam A string with the name of the D-Bus name to register. Note that
* org.awesome is registered by default.
* \lreturn True if everything worked fine, false otherwise.
@ -479,8 +543,11 @@ a_dbus_cleanup(void)
static int
luaA_dbus_request_name(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
lua_pushboolean(L, a_dbus_request_name(name));
size_t len;
const char *bus = luaL_checklstring(L, 1, &len);
const char *name = luaL_checkstring(L, 2);
DBusConnection *dbus_connection = a_dbus_bus_getbyname(bus, len);
lua_pushboolean(L, a_dbus_request_name(dbus_connection, name));
return 1;
}
@ -488,14 +555,18 @@ luaA_dbus_request_name(lua_State *L)
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lparam A string indicating if we are using system or session bus.
* \lparam A string with the name of the D-Bus name to unregister.
* \lreturn True if everything worked fine, false otherwise.
*/
static int
luaA_dbus_release_name(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
lua_pushboolean(L, a_dbus_release_name(name));
size_t len;
const char *bus = luaL_checklstring(L, 1, &len);
const char *name = luaL_checkstring(L, 2);
DBusConnection *dbus_connection = a_dbus_bus_getbyname(bus, len);
lua_pushboolean(L, a_dbus_release_name(dbus_connection, name));
return 1;
}
@ -503,14 +574,23 @@ luaA_dbus_release_name(lua_State *L)
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lparam A string indicating if we are using system or session bus.
* \lparam A string with the name of the match rule.
*/
static int
luaA_dbus_add_match(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
dbus_bus_add_match(dbus_connection, name, NULL);
dbus_connection_flush(dbus_connection);
size_t len;
const char *bus = luaL_checklstring(L, 1, &len);
const char *name = luaL_checkstring(L, 2);
DBusConnection *dbus_connection = a_dbus_bus_getbyname(bus, len);
if(dbus_connection)
{
dbus_bus_add_match(dbus_connection, name, NULL);
dbus_connection_flush(dbus_connection);
}
return 0;
}
@ -519,14 +599,23 @@ luaA_dbus_add_match(lua_State *L)
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lparam A string indicating if we are using system or session bus.
* \lparam A string with the name of the match rule.
*/
static int
luaA_dbus_remove_match(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
dbus_bus_remove_match(dbus_connection, name, NULL);
dbus_connection_flush(dbus_connection);
size_t len;
const char *bus = luaL_checklstring(L, 1, &len);
const char *name = luaL_checkstring(L, 2);
DBusConnection *dbus_connection = a_dbus_bus_getbyname(bus, len);
if(dbus_connection)
{
dbus_bus_remove_match(dbus_connection, name, NULL);
dbus_connection_flush(dbus_connection);
}
return 0;
}
@ -541,32 +630,15 @@ const struct luaL_reg awesome_dbus_lib[] =
#else /* HAVE_DBUS */
bool
void
a_dbus_init(void)
{
return false;
}
void
a_dbus_cleanup(void)
{
/* empty */
}
static int
luaA_donothing(lua_State *L)
{
return 0;
}
const struct luaL_reg awesome_dbus_lib[] =
{
{ "request_name", luaA_donothing },
{ "release_name", luaA_donothing },
{ "add_match", luaA_donothing },
{ "remove_match", luaA_donothing },
{ NULL, NULL }
};
#endif
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

4
dbus.h
View File

@ -22,9 +22,7 @@
#ifndef AWESOME_DBUS_H
#define AWESOME_DBUS_H
#include <stdbool.h>
bool a_dbus_init(void);
void a_dbus_init(void);
void a_dbus_cleanup(void);
#endif

2
lib/awful/remote.lua.in
View File

@ -10,6 +10,7 @@ local loadstring = loadstring
local tostring = tostring
local ipairs = ipairs
local table = table
local dbus = dbus
local unpack = unpack
local type = type
@ -17,6 +18,7 @@ local type = type
module("awful.remote")
if hooks.dbus then
dbus.request_name("session", "org.awesome")
hooks.dbus.register("org.awesome.Remote", function(data, code)
if data.member == "Eval" then
local f, e = loadstring(code)

2
lib/naughty.lua.in
View File

@ -517,7 +517,7 @@ if awful.hooks.dbus then
end)
-- listen for dbus notification requests
dbus.request_name("org.freedesktop.Notifications")
dbus.request_name("session", "org.freedesktop.Notifications")
end
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

6
luaa.c
View File

@ -42,8 +42,10 @@
#include "window.h"
#include "common/xcursor.h"
extern const struct luaL_reg awesome_hooks_lib[];
#ifdef WITH_DBUS
extern const struct luaL_reg awesome_dbus_lib[];
#endif
extern const struct luaL_reg awesome_hooks_lib[];
extern const struct luaL_reg awesome_keygrabber_lib[];
extern const struct luaL_reg awesome_mousegrabber_lib[];
extern const struct luaL_reg awesome_root_lib[];
@ -667,8 +669,10 @@ luaA_init(xdgHandle xdg)
/* Export hooks lib */
luaL_register(L, "hooks", awesome_hooks_lib);
#ifdef WITH_DBUS
/* Export D-Bus lib */
luaL_register(L, "dbus", awesome_dbus_lib);
#endif
/* Export keygrabber lib */
luaL_register(L, "keygrabber", awesome_keygrabber_lib);