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settings/ifupdown: minor cleanup of auto-ifaces in plugin's initialize()

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- use gs_unref_hashtable for managing lifetime

- only allocate the hashtable if necessary, and use g_hash_table_add()
  which is optimized by HashTable.

- actually copy the block->name that is used as key. While not
  necessary at the moment, it is very ugly how ifparser_getfirst()
  returns static data. Optimally, this would be fixed and we create
  and destroy the parser results. Hence, ensure the lifetime of
  the key.
This commit is contained in:
Thomas Haller
2018-08-25 10:08:16 +02:00
parent 42c2055a31
commit 553c3368ab
1 changed files with 14 additions and 13 deletions
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27
src/settings/plugins/ifupdown/nms-ifupdown-plugin.c
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@@ -307,7 +307,7 @@ initialize (NMSettingsPlugin *config)
{
SettingsPluginIfupdown *self = SETTINGS_PLUGIN_IFUPDOWN (config);
SettingsPluginIfupdownPrivate *priv = SETTINGS_PLUGIN_IFUPDOWN_GET_PRIVATE (self);
GHashTable *auto_ifaces;
gs_unref_hashtable GHashTable *auto_ifaces = NULL;
if_block *block = NULL;
struct udev_enumerate *enumerate;
struct udev_list_entry *keys;
@@ -315,8 +315,6 @@ initialize (NMSettingsPlugin *config)
const char *block_name;
NMIfupdownConnection *connection;
auto_ifaces = g_hash_table_new (nm_str_hash, g_str_equal);
nm_log_info (LOGD_SETTINGS, "init!");
priv->udev_client = nm_udev_client_new ((const char *[]) { "net", NULL },
@@ -326,9 +324,11 @@ initialize (NMSettingsPlugin *config)
ifparser_init (ENI_INTERFACES_FILE, 0);
block = ifparser_getfirst ();
while (block) {
if(!strcmp ("auto", block->type) || !strcmp ("allow-hotplug", block->type))
g_hash_table_insert (auto_ifaces, block->name, GUINT_TO_POINTER (1));
else if (!strcmp ("iface", block->type)) {
if(!strcmp ("auto", block->type) || !strcmp ("allow-hotplug", block->type)) {
if (!auto_ifaces)
auto_ifaces = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, NULL);
g_hash_table_add (auto_ifaces, g_strdup (block->name));
} else if (!strcmp ("iface", block->type)) {
NMIfupdownConnection *exported;
/* Bridge configuration */
@@ -405,14 +405,15 @@ initialize (NMSettingsPlugin *config)
while (g_hash_table_iter_next (&con_iter, (gpointer) &block_name, (gpointer) &connection)) {
NMSettingConnection *setting;
if (g_hash_table_lookup (auto_ifaces, block_name)) {
/* FIXME(copy-on-write-connection): avoid modifying NMConnection instances and share them via copy-on-write. */
setting = nm_connection_get_setting_connection (nm_settings_connection_get_connection (NM_SETTINGS_CONNECTION (connection)));
g_object_set (setting, NM_SETTING_CONNECTION_AUTOCONNECT, TRUE, NULL);
nm_log_info (LOGD_SETTINGS, "autoconnect");
}
if ( !auto_ifaces
|| !g_hash_table_contains (auto_ifaces, block_name))
continue;
/* FIXME(copy-on-write-connection): avoid modifying NMConnection instances and share them via copy-on-write. */
setting = nm_connection_get_setting_connection (nm_settings_connection_get_connection (NM_SETTINGS_CONNECTION (connection)));
g_object_set (setting, NM_SETTING_CONNECTION_AUTOCONNECT, TRUE, NULL);
nm_log_info (LOGD_SETTINGS, "autoconnect");
}
g_hash_table_destroy (auto_ifaces);
/* Check the config file to find out whether to manage interfaces */
priv->unmanage_well_known = !nm_config_data_get_value_boolean (NM_CONFIG_GET_DATA_ORIG,