Fix the inverted "delete/add" of the routes, in cluster mode.

[l2tpns.git] / cluster.c

diff --git a/cluster.c b/cluster.c
index b54ae0c..67d8d5e 100644 (file)
--- a/cluster.c
+++ b/cluster.c
@@ -1002,6 +1002,36 @@ static int type_changed(int type, int id)
        return 1;
 }
 
+// The deleted session, must be before the new session
+int cluster_listinvert_session(int sidnew, int sidtodel)
+{
+       int i, inew = 0;
+
+       for (i = 0 ; i < config->cluster_num_changes ; ++i)
+       {
+               if ( cluster_changes[i].id == sidtodel && cluster_changes[i].type == C_CSESSION)
+                       return 0;       // Deleted session already before the new session.
+
+               if ( cluster_changes[i].id == sidnew && cluster_changes[i].type == C_CSESSION)
+               {
+                       inew = i;
+                       break;
+               }
+       }
+
+       for ( ; i < config->cluster_num_changes ; ++i)
+       {
+               if ( cluster_changes[i].id == sidtodel && cluster_changes[i].type == C_CSESSION)
+               {
+                       // Reverse position
+                       cluster_changes[i].id = sidnew;
+                       cluster_changes[inew].id = sidtodel;
+                       return 1;
+               }
+       }
+
+       return 0;
+}
 
 // A particular session has been changed!
 int cluster_send_session(int sid)