lib/debug.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Debugging utilities.
   4  * Copyright (C) 2018  Cumulus Networks, Inc.
   5  * Quentin Young
   6  */
   7 #include <zebra.h>
   8 #include "typesafe.h"
   9 #include "debug.h"
  10 #include "command.h"
  11
  12 static struct debug_cb_list_head cb_head;
  13
  14 DECLARE_LIST(debug_cb_list, struct debug_callbacks, item);
  15
  16 /* All code in this section should be reentrant and MT-safe */
  17
  18 DEFUN_NOSH(debug_all, debug_all_cmd, "[no] debug all",
  19            NO_STR DEBUG_STR "Toggle all debugging output\n")
  20 {
  21         struct debug_callbacks *cb;
  22
  23         bool set = !strmatch(argv[0]->text, "no");
  24         uint32_t mode = DEBUG_NODE2MODE(vty->node);
  25
  26         frr_each (debug_cb_list, &cb_head, cb)
  27                 cb->debug_set_all(mode, set);
  28
  29         return CMD_SUCCESS;
  30 }
  31
  32 /* ------------------------------------------------------------------------- */
  33
  34 void debug_init(struct debug_callbacks *cb)
  35 {
  36         static bool inited = false;
  37
  38         if (!inited) {
  39                 inited = true;
  40                 debug_cb_list_init(&cb_head);
  41         }
  42
  43         debug_cb_list_add_head(&cb_head, cb);
  44 }
  45
  46 void debug_init_cli(void)
  47 {
  48         install_element(ENABLE_NODE, &debug_all_cmd);
  49         install_element(CONFIG_NODE, &debug_all_cmd);
  50 }