lib/log_vty.c

   1 /*
   2  * Logging - VTY code
   3  * Copyright (C) 2019 Cumulus Networks, Inc.
   4  *                    Stephen Worley
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 2 of the License, or (at your option)
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include <zebra.h>
  22
  23 #include "lib/log_vty.h"
  24 #include "command.h"
  25 #include "lib/vty.h"
  26 #include "lib/log.h"
  27 #ifndef VTYSH_EXTRACT_PL
  28 #include "lib/log_vty_clippy.c"
  29 #endif
  30
  31 DEFPY (log_filter,
  32        log_filter_cmd,
  33        "[no] log-filter WORD$filter",
  34        NO_STR
  35        FILTER_LOG_STR
  36        "String to filter by\n")
  37 {
  38         int ret = 0;
  39
  40         if (no)
  41                 ret = zlog_filter_del(filter);
  42         else
  43                 ret = zlog_filter_add(filter);
  44
  45         if (ret == 1) {
  46                 vty_out(vty, "%% filter table full\n");
  47                 return CMD_WARNING;
  48         } else if (ret != 0) {
  49                 vty_out(vty, "%% failed to %s log filter\n",
  50                         (no ? "remove" : "apply"));
  51                 return CMD_WARNING;
  52         }
  53
  54         vty_out(vty, " %s\n", filter);
  55         return CMD_SUCCESS;
  56 }
  57
  58 /* Clear all log filters */
  59 DEFPY (log_filter_clear,
  60        log_filter_clear_cmd,
  61        "clear log-filter",
  62        CLEAR_STR
  63        FILTER_LOG_STR)
  64 {
  65         zlog_filter_clear();
  66         return CMD_SUCCESS;
  67 }
  68
  69 /* Show log filter */
  70 DEFPY (show_log_filter,
  71        show_log_filter_cmd,
  72        "show log-filter",
  73        SHOW_STR
  74        FILTER_LOG_STR)
  75 {
  76         char log_filters[ZLOG_FILTERS_MAX * (ZLOG_FILTER_LENGTH_MAX + 3)] = "";
  77         int len = 0;
  78
  79         len = zlog_filter_dump(log_filters, sizeof(log_filters));
  80
  81         if (len == -1) {
  82                 vty_out(vty, "%% failed to get filters\n");
  83                 return CMD_WARNING;
  84         }
  85
  86         if (len != 0)
  87                 vty_out(vty, "%s", log_filters);
  88
  89         return CMD_SUCCESS;
  90 }
  91
  92 void log_filter_cmd_init(void)
  93 {
  94         install_element(VIEW_NODE, &show_log_filter_cmd);
  95         install_element(CONFIG_NODE, &log_filter_cmd);
  96         install_element(CONFIG_NODE, &log_filter_clear_cmd);
  97 }