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authorLennart Poettering <lennart@poettering.net>2015-08-05 18:48:45 +0300
committerLennart Poettering <lennart@poettering.net>2015-08-05 18:48:45 +0300
commitb7cefda16a5a91f880e89c82c3c03515fd7d6dec (patch)
treed8320bbaeec3fae3b838278f4c764f185eabe7c9 /src
parent652f0e397fab33e325f4119dceece9f334f549cf (diff)
parent3cde9e8fa0ae2a424ae2e6e27e14668ca5d90c98 (diff)
Merge pull request #876 from zonque/logind
logind: switch to sd_bus_track helper
Diffstat (limited to 'src')
-rw-r--r--src/login/logind-core.c38
-rw-r--r--src/login/logind-dbus.c35
-rw-r--r--src/login/logind-session.c25
-rw-r--r--src/login/logind-session.h1
-rw-r--r--src/login/logind.c18
-rw-r--r--src/login/logind.h5
6 files changed, 23 insertions, 99 deletions
diff --git a/src/login/logind-core.c b/src/login/logind-core.c
index 96a20e27b9..6c05c11dbd 100644
--- a/src/login/logind-core.c
+++ b/src/login/logind-core.c
@@ -183,44 +183,6 @@ int manager_add_button(Manager *m, const char *name, Button **_button) {
return 0;
}
-int manager_watch_busname(Manager *m, const char *name) {
- char *n;
- int r;
-
- assert(m);
- assert(name);
-
- if (set_get(m->busnames, (char*) name))
- return 0;
-
- n = strdup(name);
- if (!n)
- return -ENOMEM;
-
- r = set_put(m->busnames, n);
- if (r < 0) {
- free(n);
- return r;
- }
-
- return 0;
-}
-
-void manager_drop_busname(Manager *m, const char *name) {
- Session *session;
- Iterator i;
-
- assert(m);
- assert(name);
-
- /* keep it if the name still owns a controller */
- HASHMAP_FOREACH(session, m->sessions, i)
- if (session_is_controller(session, name))
- return;
-
- free(set_remove(m->busnames, (char*) name));
-}
-
int manager_process_seat_device(Manager *m, struct udev_device *d) {
Device *device;
int r;
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index b0cd85e985..1647bb293a 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -2652,41 +2652,6 @@ int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error
return 0;
}
-int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- const char *name, *old, *new;
- Manager *m = userdata;
- Session *session;
- Iterator i;
- int r;
- char *key;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "sss", &name, &old, &new);
- if (r < 0) {
- bus_log_parse_error(r);
- return r;
- }
-
- if (isempty(old) || !isempty(new))
- return 0;
-
- key = set_remove(m->busnames, (char*) old);
- if (!key)
- return 0;
-
- /* Drop all controllers owned by this name */
-
- free(key);
-
- HASHMAP_FOREACH(session, m->sessions, i)
- if (session_is_controller(session, old))
- session_drop_controller(session);
-
- return 0;
-}
-
int manager_send_changed(Manager *manager, const char *property, ...) {
char **l;
diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index 9a2da7906e..fc92f7f73b 100644
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -1120,7 +1120,18 @@ static void session_release_controller(Session *s, bool notify) {
session_device_free(sd);
s->controller = NULL;
- manager_drop_busname(s->manager, name);
+ s->track = sd_bus_track_unref(s->track);
+}
+
+static int on_bus_track(sd_bus_track *track, void *userdata) {
+ Session *s = userdata;
+
+ assert(track);
+ assert(s);
+
+ session_drop_controller(s);
+
+ return 0;
}
int session_set_controller(Session *s, const char *sender, bool force) {
@@ -1139,8 +1150,13 @@ int session_set_controller(Session *s, const char *sender, bool force) {
if (!name)
return -ENOMEM;
- r = manager_watch_busname(s->manager, name);
- if (r)
+ s->track = sd_bus_track_unref(s->track);
+ r = sd_bus_track_new(s->manager->bus, &s->track, on_bus_track, s);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_track_add_name(s->track, name);
+ if (r < 0)
return r;
/* When setting a session controller, we forcibly mute the VT and set
@@ -1153,7 +1169,7 @@ int session_set_controller(Session *s, const char *sender, bool force) {
* or reset the VT in case it crashed/exited, too. */
r = session_prepare_vt(s);
if (r < 0) {
- manager_drop_busname(s->manager, name);
+ s->track = sd_bus_track_unref(s->track);
return r;
}
@@ -1171,6 +1187,7 @@ void session_drop_controller(Session *s) {
if (!s->controller)
return;
+ s->track = sd_bus_track_unref(s->track);
session_release_controller(s, false);
session_save(s);
session_restore_vt(s);
diff --git a/src/login/logind-session.h b/src/login/logind-session.h
index b8565ebf51..d054c33cec 100644
--- a/src/login/logind-session.h
+++ b/src/login/logind-session.h
@@ -117,6 +117,7 @@ struct Session {
char *controller;
Hashmap *devices;
+ sd_bus_track *track;
LIST_FIELDS(Session, sessions_by_user);
LIST_FIELDS(Session, sessions_by_seat);
diff --git a/src/login/logind.c b/src/login/logind.c
index e2fb496289..49a2811842 100644
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -76,10 +76,7 @@ static Manager *manager_new(void) {
m->user_units = hashmap_new(&string_hash_ops);
m->session_units = hashmap_new(&string_hash_ops);
- m->busnames = set_new(&string_hash_ops);
-
- if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames ||
- !m->user_units || !m->session_units)
+ if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->user_units || !m->session_units)
goto fail;
m->kill_exclude_users = strv_new("root", NULL);
@@ -141,8 +138,6 @@ static void manager_free(Manager *m) {
hashmap_free(m->user_units);
hashmap_free(m->session_units);
- set_free_free(m->busnames);
-
sd_event_source_unref(m->idle_action_event_source);
sd_event_source_unref(m->inhibit_timeout_source);
sd_event_source_unref(m->scheduled_shutdown_timeout_source);
@@ -629,17 +624,6 @@ static int manager_connect_bus(Manager *m) {
r = sd_bus_add_match(m->bus,
NULL,
"type='signal',"
- "sender='org.freedesktop.DBus',"
- "interface='org.freedesktop.DBus',"
- "member='NameOwnerChanged',"
- "path='/org/freedesktop/DBus'",
- match_name_owner_changed, m);
- if (r < 0)
- return log_error_errno(r, "Failed to add match for NameOwnerChanged: %m");
-
- r = sd_bus_add_match(m->bus,
- NULL,
- "type='signal',"
"sender='org.freedesktop.systemd1',"
"interface='org.freedesktop.systemd1.Manager',"
"member='JobRemoved',"
diff --git a/src/login/logind.h b/src/login/logind.h
index ad437b72cb..ce99d75bc1 100644
--- a/src/login/logind.h
+++ b/src/login/logind.h
@@ -48,8 +48,6 @@ struct Manager {
Hashmap *inhibitors;
Hashmap *buttons;
- Set *busnames;
-
LIST_HEAD(Seat, seat_gc_queue);
LIST_HEAD(Session, session_gc_queue);
LIST_HEAD(User, user_gc_queue);
@@ -181,9 +179,6 @@ int manager_job_is_active(Manager *manager, const char *path);
/* gperf lookup function */
const struct ConfigPerfItem* logind_gperf_lookup(const char *key, unsigned length);
-int manager_watch_busname(Manager *manager, const char *name);
-void manager_drop_busname(Manager *manager, const char *name);
-
int manager_set_lid_switch_ignore(Manager *m, usec_t until);
int config_parse_tmpfs_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);