[PATCH v1 18/24] session_policy_ivi: Watch for changes on policy files

[Daniel Wagner]

From: Daniel Wagner <daniel.wag...@bmw-carit.de>

---
 plugins/session_policy_ivi.c | 54 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/plugins/session_policy_ivi.c b/plugins/session_policy_ivi.c
index 1040040..dd3bda0 100644
--- a/plugins/session_policy_ivi.c
+++ b/plugins/session_policy_ivi.c
@@ -25,6 +25,7 @@
 
 #include <errno.h>
 #include <string.h>
+#include <sys/inotify.h>
 
 #include <glib.h>
 
@@ -35,6 +36,7 @@
 #include <connman/log.h>
 #include <connman/session.h>
 #include <connman/dbus.h>
+#include <connman/storage.h>
 
 static DBusConnection *connection;
 
@@ -228,6 +230,52 @@ static connman_bool_t validate_ident(const char *ident)
        return TRUE;
 }
 
+static void notify_handler(struct inotify_event *event,
+                                        const char *ident)
+{
+       struct policy_data *policy;
+       char *ext;
+
+       if (ident == NULL)
+               return;
+
+       if (g_str_has_suffix(ident, ".policy") == FALSE)
+               return;
+
+       ext = g_strrstr(ident, ".policy");
+       if (ext == NULL)
+               return;
+
+       *ext = '\0';
+
+       if (validate_ident(ident) == FALSE) {
+               connman_error("Invalid policy ident %s", ident);
+               return;
+       }
+
+       if (event->mask & IN_CREATE)
+               create_policy(ident);
+
+       if (event->mask & IN_MODIFY) {
+               policy = g_hash_table_lookup(ident_hash, ident);
+               if (policy != NULL) {
+                       load_policy(policy);
+
+                       connman_session_config_update(policy->session);
+               }
+       }
+
+       if (event->mask & IN_DELETE) {
+               policy = g_hash_table_lookup(ident_hash, ident);
+
+               g_hash_table_remove(ident_hash, ident);
+               policy->ident = NULL;
+
+               if (policy->session == NULL)
+                       cleanup_policy(policy);
+       }
+}
+
 static int read_policies(void)
 {
        GDir *dir;
@@ -277,6 +325,8 @@ static int session_policy_ivi_init(void)
 {
        int err;
 
+       connman_storage_notify_register(notify_handler);
+
        connection = connman_dbus_get_connection();
        if (connection == NULL)
                return -EIO;
@@ -314,6 +364,8 @@ err:
 
        dbus_connection_unref(connection);
 
+       connman_storage_notify_unregister(notify_handler);
+
        return err;
 }
 
@@ -336,6 +388,8 @@ static void session_policy_ivi_exit(void)
        connman_session_policy_unregister(&session_policy_ivi);
 
        dbus_connection_unref(connection);
+
+       connman_storage_notify_unregister(notify_handler);
 }
 
 CONNMAN_PLUGIN_DEFINE(session_policy_ivi,
-- 
1.7.11.4

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