Inotify will send modify event after create event when user has
copied the config file into config directory. Because of this
it is useless to act on create event. As a bonus we avoid
create/modify/create loop that was earlier done in the modify event
handling code.
---
vpn/vpn-config.c | 28 ++++++++++++++++++++--------
1 file changed, 20 insertions(+), 8 deletions(-)
diff --git a/vpn/vpn-config.c b/vpn/vpn-config.c
index 1ece7e9..a1a2ed5 100644
--- a/vpn/vpn-config.c
+++ b/vpn/vpn-config.c
@@ -539,28 +539,40 @@ static void config_notify_handler(struct inotify_event
*event,
}
if (event->mask & IN_CREATE)
- create_config(ident);
+ return;
+
+ if (event->mask & IN_DELETE) {
+ g_hash_table_remove(config_table, ident);
+ return;
+ }
if (event->mask & IN_MODIFY) {
struct vpn_config *config;
+ char *path = get_dir();
config = g_hash_table_lookup(config_table, ident);
if (config != NULL) {
- char *path = get_dir();
-
g_hash_table_remove_all(config->provider_table);
load_config(config, path, REMOVE);
/* Re-scan the config file for any changes */
g_hash_table_remove_all(config->provider_table);
load_config(config, path, ADD);
-
- g_free(path);
+ } else {
+ /*
+ * Inotify will send create event followed by modify
+ * event for any config file that is copied to
+ * monitored directory. So in practice we should just
+ * ignore the create event and trust only the modify
+ * one in order to avoid create/remove/create loop
+ */
+ config = create_config(ident);
+ if (config != NULL)
+ load_config(config, path, ADD);
}
- }
- if (event->mask & IN_DELETE)
- g_hash_table_remove(config_table, ident);
+ g_free(path);
+ }
}
int __vpn_config_init(void)
--
1.7.11.4
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