gboolean registered;
};
-static struct filter_data *filter_data_find(DBusConnection *connection,
+static struct filter_data *filter_data_find_match(DBusConnection *connection,
const char *name,
const char *owner,
const char *path,
if (connection != data->connection)
continue;
- if (name && data->name &&
- g_str_equal(name, data->name) == FALSE)
+ if (g_strcmp0(name, data->name) != 0)
continue;
- if (owner && data->owner &&
- g_str_equal(owner, data->owner) == FALSE)
+ if (g_strcmp0(owner, data->owner) != 0)
continue;
- if (path && data->path &&
- g_str_equal(path, data->path) == FALSE)
+ if (g_strcmp0(path, data->path) != 0)
continue;
- if (interface && data->interface &&
- g_str_equal(interface, data->interface) == FALSE)
+ if (g_strcmp0(interface, data->interface) != 0)
continue;
- if (member && data->member &&
- g_str_equal(member, data->member) == FALSE)
+ if (g_strcmp0(member, data->member) != 0)
continue;
- if (argument && data->argument &&
- g_str_equal(argument, data->argument) == FALSE)
+ if (g_strcmp0(argument, data->argument) != 0)
continue;
return data;
return NULL;
}
-static void format_rule(struct filter_data *data, char *rule, size_t size)
+static struct filter_data *filter_data_find(DBusConnection *connection)
{
+ GSList *current;
+
+ for (current = listeners;
+ current != NULL; current = current->next) {
+ struct filter_data *data = current->data;
+
+ if (connection != data->connection)
+ continue;
+
+ return data;
+ }
+
+ return NULL;
+}
+
+static char *format_rule(struct filter_data *data)
+{
+ char *rule, *tmp;
const char *sender;
- int offset;
- offset = snprintf(rule, size, "type='signal'");
+ rule = g_strdup("type='signal'");
sender = data->name ? : data->owner;
- if (sender)
- offset += snprintf(rule + offset, size - offset,
- ",sender='%s'", sender);
- if (data->path)
- offset += snprintf(rule + offset, size - offset,
- ",path='%s'", data->path);
- if (data->interface)
- offset += snprintf(rule + offset, size - offset,
- ",interface='%s'", data->interface);
- if (data->member)
- offset += snprintf(rule + offset, size - offset,
- ",member='%s'", data->member);
- if (data->argument)
- snprintf(rule + offset, size - offset,
- ",arg0='%s'", data->argument);
+ if (sender) {
+ tmp = rule;
+ rule = g_strdup_printf("%s,sender='%s'", rule, sender);
+ g_free(tmp);
+ }
+
+ if (data->path) {
+ tmp = rule;
+ rule = g_strdup_printf("%s,path='%s'", rule, data->path);
+ g_free(tmp);
+ }
+
+ if (data->interface){
+ tmp = rule;
+ rule = g_strdup_printf("%s,interface='%s'", rule,
+ data->interface);
+ g_free(tmp);
+ }
+
+ if (data->member) {
+ tmp = rule;
+ rule = g_strdup_printf("%s,member='%s'", rule, data->member);
+ g_free(tmp);
+ }
+
+ if (data->argument) {
+ tmp = rule;
+ rule = g_strdup_printf("%s,arg0='%s'", rule, data->argument);
+ g_free(tmp);
+ }
+
+ return rule;
}
static gboolean add_match(struct filter_data *data,
DBusHandleMessageFunction filter)
{
DBusError err;
- char rule[DBUS_MAXIMUM_MATCH_RULE_LENGTH];
+ char *rule;
- format_rule(data, rule, sizeof(rule));
+ rule = format_rule(data);
dbus_error_init(&err);
dbus_bus_add_match(data->connection, rule, &err);
error("Adding match rule \"%s\" failed: %s", rule,
err.message);
dbus_error_free(&err);
+ g_free(rule);
return FALSE;
}
data->handle_func = filter;
data->registered = TRUE;
+ g_free(rule);
return TRUE;
}
static gboolean remove_match(struct filter_data *data)
{
DBusError err;
- char rule[DBUS_MAXIMUM_MATCH_RULE_LENGTH];
+ char *rule;
- format_rule(data, rule, sizeof(rule));
+ rule = format_rule(data);
dbus_error_init(&err);
error("Removing owner match rule for %s failed: %s",
rule, err.message);
dbus_error_free(&err);
+ g_free(rule);
return FALSE;
}
+ g_free(rule);
return TRUE;
}
+static void filter_data_free(struct filter_data *data)
+{
+ GSList *l;
+
+ /* Remove filter if there are no listeners left for the connection */
+ if (filter_data_find(data->connection) == NULL)
+ dbus_connection_remove_filter(data->connection, message_filter,
+ NULL);
+
+ for (l = data->callbacks; l != NULL; l = l->next)
+ g_free(l->data);
+
+ g_slist_free(data->callbacks);
+ g_dbus_remove_watch(data->connection, data->name_watch);
+ g_free(data->name);
+ g_free(data->owner);
+ g_free(data->path);
+ g_free(data->interface);
+ g_free(data->member);
+ g_free(data->argument);
+ dbus_connection_unref(data->connection);
+ g_free(data);
+}
+
static struct filter_data *filter_data_get(DBusConnection *connection,
DBusHandleMessageFunction filter,
const char *sender,
struct filter_data *data;
const char *name = NULL, *owner = NULL;
- if (filter_data_find(connection, NULL, NULL, NULL, NULL, NULL, NULL) == NULL) {
+ if (filter_data_find(connection) == NULL) {
if (!dbus_connection_add_filter(connection,
message_filter, NULL, NULL)) {
error("dbus_connection_add_filter() failed");
name = sender;
proceed:
- data = filter_data_find(connection, name, owner, path, interface,
- member, argument);
+ data = filter_data_find_match(connection, name, owner, path,
+ interface, member, argument);
if (data)
return data;
data = g_new0(struct filter_data, 1);
data->connection = dbus_connection_ref(connection);
- data->name = name ? g_strdup(name) : NULL;
- data->owner = owner ? g_strdup(owner) : NULL;
+ data->name = g_strdup(name);
+ data->owner = g_strdup(owner);
data->path = g_strdup(path);
data->interface = g_strdup(interface);
data->member = g_strdup(member);
data->argument = g_strdup(argument);
if (!add_match(data, filter)) {
- g_free(data);
+ filter_data_free(data);
return NULL;
}
return NULL;
}
-static void filter_data_free(struct filter_data *data)
-{
- GSList *l;
-
- for (l = data->callbacks; l != NULL; l = l->next)
- g_free(l->data);
-
- g_slist_free(data->callbacks);
- g_dbus_remove_watch(data->connection, data->name_watch);
- g_free(data->name);
- g_free(data->owner);
- g_free(data->path);
- g_free(data->interface);
- g_free(data->member);
- g_free(data->argument);
- dbus_connection_unref(data->connection);
- g_free(data);
-}
-
static void filter_data_call_and_free(struct filter_data *data)
{
GSList *l;
callback->data = NULL;
}
+/* Returns TRUE if data is freed */
static gboolean filter_data_remove_callback(struct filter_data *data,
struct filter_callback *cb)
{
- DBusConnection *connection;
-
data->callbacks = g_slist_remove(data->callbacks, cb);
data->processed = g_slist_remove(data->processed, cb);
/* Don't remove the filter if other callbacks exist or data is lock
* processing callbacks */
if (data->callbacks || data->lock)
- return TRUE;
+ return FALSE;
if (data->registered && !remove_match(data))
return FALSE;
- connection = dbus_connection_ref(data->connection);
listeners = g_slist_remove(listeners, data);
-
- /* Remove filter if there are no listeners left for the connection */
- if (filter_data_find(connection, NULL, NULL, NULL, NULL, NULL,
- NULL) == NULL)
- dbus_connection_remove_filter(connection, message_filter,
- NULL);
-
filter_data_free(data);
- dbus_connection_unref(connection);
return TRUE;
}
if (cb->signal_func && !cb->signal_func(connection, message,
cb->user_data)) {
- filter_data_remove_callback(data, cb);
+ if (filter_data_remove_callback(data, cb))
+ break;
+
continue;
}
/* Only auto remove if it is a bus name watch */
if (data->argument[0] == ':' &&
(cb->conn_func == NULL || cb->disc_func == NULL)) {
- filter_data_remove_callback(data, cb);
+ if (filter_data_remove_callback(data, cb))
+ break;
+
continue;
}
{
struct filter_data *data;
const char *sender, *path, *iface, *member, *arg = NULL;
+ GSList *current, *delete_listener = NULL;
/* Only filter signals */
if (dbus_message_get_type(message) != DBUS_MESSAGE_TYPE_SIGNAL)
member = dbus_message_get_member(message);
dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg, DBUS_TYPE_INVALID);
- /* Sender is always bus name */
- data = filter_data_find(connection, NULL, sender, path, iface, member,
- arg);
- if (data == NULL) {
- error("Got %s.%s signal which has no listeners", iface, member);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
+ /* If sender != NULL it is always the owner */
+
+ for (current = listeners; current != NULL; current = current->next) {
+ data = current->data;
+
+ if (connection != data->connection)
+ continue;
- if (data->handle_func) {
- data->lock = TRUE;
+ if (!sender && data->owner)
+ continue;
- data->handle_func(connection, message, data);
+ if (data->owner && g_str_equal(sender, data->owner) == FALSE)
+ continue;
- data->callbacks = data->processed;
- data->processed = NULL;
- data->lock = FALSE;
+ if (data->path && g_str_equal(path, data->path) == FALSE)
+ continue;
+
+ if (data->interface && g_str_equal(iface,
+ data->interface) == FALSE)
+ continue;
+
+ if (data->member && g_str_equal(member, data->member) == FALSE)
+ continue;
+
+ if (data->argument && g_str_equal(arg,
+ data->argument) == FALSE)
+ continue;
+
+ if (data->handle_func) {
+ data->lock = TRUE;
+
+ data->handle_func(connection, message, data);
+
+ data->callbacks = data->processed;
+ data->processed = NULL;
+ data->lock = FALSE;
+ }
+
+ if (!data->callbacks)
+ delete_listener = g_slist_prepend(delete_listener,
+ current);
}
- if (data->callbacks)
+ if (delete_listener == NULL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- remove_match(data);
+ for (current = delete_listener; current != NULL;
+ current = delete_listener->next) {
+ GSList *l = current->data;
- listeners = g_slist_remove(listeners, data);
+ data = l->data;
- /* Remove filter if there are no listeners left for the connection */
- if (filter_data_find(connection, NULL, NULL, NULL, NULL, NULL,
- NULL) == NULL)
- dbus_connection_remove_filter(connection, message_filter,
- NULL);
+ /* Has any other callback added callbacks back to this data? */
+ if (data->callbacks != NULL)
+ continue;
- filter_data_free(data);
+ remove_match(data);
+ listeners = g_slist_delete_link(listeners, l);
+
+ filter_data_free(data);
+ }
+
+ g_slist_free(delete_listener);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
{
struct service_data *data = user_data;
struct filter_callback *cb = data->callback;
+ DBusConnection *conn;
+
+ conn = dbus_connection_ref(data->conn);
+ service_data_free(data);
- update_name_cache(data->name, data->owner);
if (cb->conn_func)
- cb->conn_func(data->conn, cb->user_data);
+ cb->conn_func(conn, cb->user_data);
- service_data_free(data);
+ dbus_connection_unref(conn);
return FALSE;
}
if (name == NULL)
return 0;
- data = filter_data_get(connection, service_filter, NULL, NULL,
+ data = filter_data_get(connection, service_filter,
+ DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS, "NameOwnerChanged",
name);
if (data == NULL)
return cb->id;
}
+guint g_dbus_add_properties_watch(DBusConnection *connection,
+ const char *sender, const char *path,
+ const char *interface,
+ GDBusSignalFunction function, void *user_data,
+ GDBusDestroyFunction destroy)
+{
+ struct filter_data *data;
+ struct filter_callback *cb;
+
+ data = filter_data_get(connection, signal_filter, sender, path,
+ DBUS_INTERFACE_PROPERTIES, "PropertiesChanged",
+ interface);
+ if (data == NULL)
+ return 0;
+
+ cb = filter_data_add_callback(data, NULL, NULL, function, destroy,
+ user_data);
+ if (cb == NULL)
+ return 0;
+
+ if (data->name != NULL && data->name_watch == 0)
+ data->name_watch = g_dbus_add_service_watch(connection,
+ data->name, NULL,
+ NULL, NULL, NULL);
+
+ return cb->id;
+}
+
gboolean g_dbus_remove_watch(DBusConnection *connection, guint id)
{
struct filter_data *data;
{
struct filter_data *data;
- while ((data = filter_data_find(connection, NULL, NULL, NULL, NULL,
- NULL, NULL))) {
+ while ((data = filter_data_find(connection))) {
listeners = g_slist_remove(listeners, data);
filter_data_call_and_free(data);
}
-
- dbus_connection_remove_filter(connection, message_filter, NULL);
}
projects / platform / upstream / connman.git / blobdiff