// SPDX-License-Identifier: GPL-2.0-or-later

/*

 *

 * Copyright 2016, LabN Consulting, L.L.C.

 */

#include "lib/zebra.h"

#include "lib/prefix.h"

#include "lib/linklist.h"

#include "lib/stream.h"

#include "lib/command.h"

#include "lib/log.h"

#include "bgpd/rfapi/vnc_debug.h"

/*

 * debug state storage

 */

unsigned long conf_vnc_debug;

unsigned long term_vnc_debug;

struct vnc_debug {

  unsigned long bit;

  const char *name;

};

static const struct vnc_debug vncdebug[] = {

  {VNC_DEBUG_RFAPI_QUERY, "rfapi-query"},

  {VNC_DEBUG_IMPORT_BI_ATTACH, "import-bi-attach"},

  {VNC_DEBUG_IMPORT_DEL_REMOTE, "import-del-remote"},

  {VNC_DEBUG_EXPORT_BGP_GETCE, "export-bgp-getce"},

  {VNC_DEBUG_EXPORT_BGP_DIRECT_ADD, "export-bgp-direct-add"},

  {VNC_DEBUG_IMPORT_BGP_ADD_ROUTE, "import-bgp-add-route"},

  {VNC_DEBUG_VERBOSE, "verbose"},

};

#define VNC_STR "VNC information\n"

/***********************************************************************

 *  debug bgp vnc <foo>

 ***********************************************************************/

DEFUN (debug_bgp_vnc,

       debug_bgp_vnc_cmd,

       "debug bgp vnc <rfapi-query|import-bi-attach|import-del-remote|verbose>",

       DEBUG_STR

       BGP_STR

       VNC_STR

       "rfapi query handling\n"

       "import BI atachment\n"

       "import delete remote routes\n"

       "verbose logging\n")

{

  size_t i;

  for (i = 0; i < (sizeof(vncdebug) / sizeof(struct vnc_debug)); ++i) {

    if (strmatch(argv[3]->text, vncdebug[i].name)) {

      if (vty->node == CONFIG_NODE) {

        conf_vnc_debug |= vncdebug[i].bit;

        term_vnc_debug |= vncdebug[i].bit;

      } else {

        term_vnc_debug |= vncdebug[i].bit;

        vty_out(vty, "BGP vnc %s debugging is on\n",

          vncdebug[i].name);

      }

      return CMD_SUCCESS;

    }

  }

  vty_out(vty, "Unknown debug flag: %s\n", argv[3]->arg);

  return CMD_WARNING_CONFIG_FAILED;

}

DEFUN (no_debug_bgp_vnc,

       no_debug_bgp_vnc_cmd,

       "no debug bgp vnc <rfapi-query|import-bi-attach|import-del-remote|verbose>",

       NO_STR

       DEBUG_STR

       BGP_STR

       VNC_STR

       "rfapi query handling\n"

       "import BI atachment\n"

       "import delete remote routes\n"

       "verbose logging\n")

{

  size_t i;

  for (i = 0; i < (sizeof(vncdebug) / sizeof(struct vnc_debug)); ++i) {

    if (strmatch(argv[argc - 1]->text, vncdebug[i].name)) {

      if (vty->node == CONFIG_NODE) {

        conf_vnc_debug &= ~vncdebug[i].bit;

        term_vnc_debug &= ~vncdebug[i].bit;

      } else {

        term_vnc_debug &= ~vncdebug[i].bit;

        vty_out(vty, "BGP vnc %s debugging is off\n",

          vncdebug[i].name);

      }

      return CMD_SUCCESS;

    }

  }

  vty_out(vty, "Unknown debug flag: %s\n", argv[3]->arg);

  return CMD_WARNING_CONFIG_FAILED;

}

/***********************************************************************

 *  no debug bgp vnc all

 ***********************************************************************/

DEFUN (no_debug_bgp_vnc_all,

       no_debug_bgp_vnc_all_cmd,

       "no debug all bgp vnc",

       NO_STR

       DEBUG_STR

       "Disable all VNC debugging\n"

       BGP_STR

       VNC_STR)

{

  term_vnc_debug = 0;

  vty_out(vty, "All possible VNC debugging has been turned off\n");

  return CMD_SUCCESS;

}

/***********************************************************************

 *  show/save

 ***********************************************************************/

DEFUN_NOSH (show_debugging_bgp_vnc,

      show_debugging_bgp_vnc_cmd,

      "show debugging bgp vnc",

      SHOW_STR

      DEBUG_STR

      BGP_STR

      VNC_STR)

{

  size_t i;

  vty_out(vty, "BGP VNC debugging status:\n");

  for (i = 0; i < (sizeof(vncdebug) / sizeof(struct vnc_debug)); ++i) {

    if (term_vnc_debug & vncdebug[i].bit) {

      vty_out(vty, "  BGP VNC %s debugging is on\n",

        vncdebug[i].name);

    }

  }

  vty_out(vty, "\n");

  return CMD_SUCCESS;

}

static int bgp_vnc_config_write_debug(struct vty *vty)

{

  int write = 0;

  size_t i;

  for (i = 0; i < array_size(vncdebug); ++i) {

    if (conf_vnc_debug & vncdebug[i].bit) {

      vty_out(vty, "debug bgp vnc %s\n", vncdebug[i].name);

      write++;

    }

  }

  return write;

}

static int bgp_vnc_config_write_debug(struct vty *vty);

static struct cmd_node debug_node = {

  .name = "vnc debug",

  .node = DEBUG_VNC_NODE,

  .prompt = "",

  .config_write = bgp_vnc_config_write_debug,

};

void vnc_debug_init(void)

{

  install_node(&debug_node);

  install_element(ENABLE_NODE, &show_debugging_bgp_vnc_cmd);

  install_element(ENABLE_NODE, &debug_bgp_vnc_cmd);

  install_element(CONFIG_NODE, &debug_bgp_vnc_cmd);

  install_element(ENABLE_NODE, &no_debug_bgp_vnc_cmd);

  install_element(CONFIG_NODE, &no_debug_bgp_vnc_cmd);

  install_element(ENABLE_NODE, &no_debug_bgp_vnc_all_cmd);

  install_element(CONFIG_NODE, &no_debug_bgp_vnc_all_cmd);

}