Add --static flag to disable periodic node randomization

1 files changed, 20 insertions, 3 deletions

diff --git a/src/server_register.c b/src/server_register.c
index c45949b..7c90701 100644
--- a/src/server_register.c
+++ b/src/server_register.c
@@ -18,6 +18,7 @@
 #include <open62541/server.h>
 
 #include <signal.h>
+#include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
@@ -127,11 +128,26 @@ main (int argc, char **argv)
   signal (SIGTERM, _s_stop_handler);
   srand ((unsigned)time (NULL));
 
+  /* Check for --static flag (disables periodic node randomization). */
+  bool static_nodes = false;
+  for (int i = 1; i < argc; i++)
+    {
+      if (strcmp (argv[i], "--static") == 0)
+        {
+          static_nodes = true;
+          /* Remove the flag from argv so positional parsing is unaffected. */
+          for (int j = i; j < argc - 1; j++)
+            argv[j] = argv[j + 1];
+          argc--;
+          i--;
+        }
+    }
+
   if (argc < 4 || argc > 6)
     {
       UA_LOG_FATAL (UA_Log_Stdout, UA_LOGCATEGORY_USERLAND,
                     "Usage: %s <server-config> <client-config> "
-                    "<discovery-url> [nodes-config] [log-level]",
+                    "<discovery-url> [nodes-config] [log-level] [--static]",
                     argv[0]);
       return EXIT_FAILURE;
     }
@@ -262,8 +278,9 @@ main (int argc, char **argv)
   if (nodes_cfg.count > 0)
     {
       nodes_config_randomize (server, &nodes_cfg);
-      UA_Server_addRepeatedCallback (server, _s_update_nodes_cb, &nodes_cfg,
-                                     5000, &update_cb_id);
+      if (!static_nodes)
+        UA_Server_addRepeatedCallback (server, _s_update_nodes_cb, &nodes_cfg,
+                                       5000, &update_cb_id);
     }
 
   retval = _s_register_with_lds (server, &lds_params, discovery_endpoint);