updated core to 7.80

modules/user/user.api.php

@@ -472,6 +472,36 @@ function hook_user_role_delete($role) {
     ->execute();
 }
 
+/**
+ * Respond to user flood control events.
+ *
+ * This hook allows you act when an unsuccessful user login has triggered
+ * flood control. This means that either an IP address or a specific user
+ * account has been temporarily blocked from logging in.
+ *
+ * @param $ip
+ *   The IP address that triggered flood control.
+ * @param $username
+ *   The username that has been temporarily blocked.
+ *
+ * @see user_login_final_validate()
+ */
+function hook_user_flood_control($ip, $username = FALSE) {
+  if (!empty($username)) {
+    // Do something with the blocked $username and $ip. For example, send an
+    // e-mail to the user and/or site administrator.
+
+    // Drupal core uses this hook to log the event:
+    watchdog('user', 'Flood control blocked login attempt for %user from %ip.', array('%user' => $username, '%ip' => $ip));
+  }
+  else {
+    // Do something with the blocked $ip. For example, add it to a block-list.
+
+    // Drupal core uses this hook to log the event:
+    watchdog('user', 'Flood control blocked login attempt from %ip.', array('%ip' => $ip));
+  }
+}
+
 /**
  * @} End of "addtogroup hooks".
  */