static void
ifcfg_dir_changed (GFileMonitor *monitor,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type,
gpointer user_data)
{
SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (user_data);
char *path, *base, *ifcfg_path;
NMIfcfgConnection *connection;
path = g_file_get_path (file);
if (utils_should_ignore_file (path, FALSE)) {
g_free (path);
return;
}
_LOGD ("ifcfg_dir_changed(%s) = %d", path, event_type);
base = g_file_get_basename (file);
if (utils_is_ifcfg_alias_file (base, NULL)) {
/* Alias file changed. Get the base ifcfg file from it */
ifcfg_path = utils_get_ifcfg_from_alias (path);
} else {
/* Given any ifcfg, keys, or routes file, get the ifcfg file path */
ifcfg_path = utils_get_ifcfg_path (path);
}
if (ifcfg_path) {
connection = find_by_path (plugin, ifcfg_path);
switch (event_type) {
case G_FILE_MONITOR_EVENT_DELETED:
if (connection)
remove_connection (plugin, connection);
break;
case G_FILE_MONITOR_EVENT_CREATED:
case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
/* Update or new */
update_connection (plugin, NULL, ifcfg_path, connection, TRUE, NULL, NULL);
break;
default:
break;
}
g_free (ifcfg_path);
}
g_free (path);
g_free (base);
}
char *
utils_detect_ifcfg_path (const char *path, gboolean only_ifcfg)
{
gs_free char *base = NULL;
char *ptr, *ifcfg = NULL;
g_return_val_if_fail (path != NULL, NULL);
if (utils_should_ignore_file (path, only_ifcfg))
return NULL;
base = g_path_get_basename (path);
if (strncmp (base, IFCFG_TAG, NM_STRLEN (IFCFG_TAG)) == 0) {
if (base[NM_STRLEN (IFCFG_TAG)] == '\0')
return NULL;
if (utils_is_ifcfg_alias_file (base, NULL)) {
ifcfg = g_strdup (path);
ptr = strrchr (ifcfg, ':');
if (ptr && ptr > ifcfg) {
*ptr = '\0';
if (g_file_test (ifcfg, G_FILE_TEST_EXISTS)) {
/* the file has a colon, so it is probably an alias.
* To be ~more~ certain that this is an alias file,
* check whether a corresponding base file exists. */
if (only_ifcfg) {
g_free (ifcfg);
return NULL;
}
return ifcfg;
}
}
g_free (ifcfg);
}
return g_strdup (path);
}
if (only_ifcfg)
return NULL;
return utils_get_ifcfg_path (path);
}
char *
utils_get_ifcfg_from_alias (const char *alias)
{
char *base, *ptr, *ifcfg = NULL;
g_return_val_if_fail (alias != NULL, NULL);
base = g_path_get_basename (alias);
g_return_val_if_fail (base != NULL, NULL);
if (utils_is_ifcfg_alias_file (base, NULL)) {
ifcfg = g_strdup (alias);
ptr = strrchr (ifcfg, ':');
if (ptr)
*ptr = '\0';
else {
g_free (ifcfg);
ifcfg = NULL;
}
}
g_free (base);
return ifcfg;
}
static void
read_connections (SCPluginIfcfg *plugin)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
GDir *dir;
GError *err = NULL;
const char *item;
GHashTable *alive_connections;
GHashTableIter iter;
NMIfcfgConnection *connection;
GPtrArray *dead_connections = NULL;
guint i;
GPtrArray *filenames;
GHashTable *paths;
dir = g_dir_open (IFCFG_DIR, 0, &err);
if (!dir) {
_LOGW ("Could not read directory '%s': %s", IFCFG_DIR, err->message);
g_error_free (err);
return;
}
alive_connections = g_hash_table_new (NULL, NULL);
filenames = g_ptr_array_new_with_free_func (g_free);
while ((item = g_dir_read_name (dir))) {
char *full_path;
if (utils_should_ignore_file (item, TRUE))
continue;
if (utils_is_ifcfg_alias_file (item, NULL))
continue;
full_path = g_build_filename (IFCFG_DIR, item, NULL);
if (!utils_get_ifcfg_name (full_path, TRUE))
g_free (full_path);
else
g_ptr_array_add (filenames, full_path);
}
g_dir_close (dir);
/* While reloading, we don't replace connections that we already loaded while
* iterating over the files.
*
* To have sensible, reproducible behavior, sort the paths by last modification
* time prefering older files.
*/
paths = _paths_from_connections (priv->connections);
g_ptr_array_sort_with_data (filenames, (GCompareDataFunc) _sort_paths, paths);
g_hash_table_destroy (paths);
for (i = 0; i < filenames->len; i++) {
connection = update_connection (plugin, NULL, filenames->pdata[i], NULL, FALSE, alive_connections, NULL);
if (connection)
g_hash_table_add (alive_connections, connection);
}
g_ptr_array_free (filenames, TRUE);
g_hash_table_iter_init (&iter, priv->connections);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &connection)) {
if ( !g_hash_table_contains (alive_connections, connection)
&& nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (connection))) {
if (!dead_connections)
dead_connections = g_ptr_array_new ();
g_ptr_array_add (dead_connections, connection);
}
}
g_hash_table_destroy (alive_connections);
if (dead_connections) {
for (i = 0; i < dead_connections->len; i++)
remove_connection (plugin, dead_connections->pdata[i]);
g_ptr_array_free (dead_connections, TRUE);
}
}
