mirror of https://gerrit.osmocom.org/libosmocore
348 lines
9.1 KiB
C
348 lines
9.1 KiB
C
/* OpenBSC logging helper for the VTY */
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/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
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* (C) 2009-2010 by Holger Hans Peter Freyther
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <osmocore/talloc.h>
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#include <osmocore/logging.h>
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//#include <openbsc/vty.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/vty/buffer.h>
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#include <osmocom/vty/vty.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <osmocom/vty/logging.h>
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extern const struct log_info *log_info;
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static void _vty_output(struct log_target *tgt, const char *line)
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{
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struct vty *vty = tgt->tgt_vty.vty;
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vty_out(vty, "%s", line);
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/* This is an ugly hack, but there is no easy way... */
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if (strchr(line, '\n'))
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vty_out(vty, "\r");
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}
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struct log_target *log_target_create_vty(struct vty *vty)
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{
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struct log_target *target;
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target = log_target_create();
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if (!target)
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return NULL;
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target->tgt_vty.vty = vty;
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target->output = _vty_output;
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return target;
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}
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DEFUN(enable_logging,
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enable_logging_cmd,
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"logging enable",
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LOGGING_STR
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"Enables logging to this vty\n")
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{
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struct telnet_connection *conn;
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conn = (struct telnet_connection *) vty->priv;
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if (conn->dbg) {
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vty_out(vty, "Logging already enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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conn->dbg = log_target_create_vty(vty);
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if (!conn->dbg)
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return CMD_WARNING;
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log_add_target(conn->dbg);
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return CMD_SUCCESS;
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}
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DEFUN(logging_fltr_all,
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logging_fltr_all_cmd,
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"logging filter all (0|1)",
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LOGGING_STR FILTER_STR
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"Do you want to log all messages?\n"
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"Only print messages matched by other filters\n"
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"Bypass filter and print all messages\n")
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{
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struct telnet_connection *conn;
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conn = (struct telnet_connection *) vty->priv;
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if (!conn->dbg) {
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vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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log_set_all_filter(conn->dbg, atoi(argv[0]));
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return CMD_SUCCESS;
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}
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DEFUN(logging_use_clr,
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logging_use_clr_cmd,
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"logging color (0|1)",
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LOGGING_STR "Configure color-printing for log messages\n"
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"Don't use color for printing messages\n"
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"Use color for printing messages\n")
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{
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struct telnet_connection *conn;
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conn = (struct telnet_connection *) vty->priv;
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if (!conn->dbg) {
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vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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log_set_use_color(conn->dbg, atoi(argv[0]));
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return CMD_SUCCESS;
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}
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DEFUN(logging_prnt_timestamp,
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logging_prnt_timestamp_cmd,
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"logging timestamp (0|1)",
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LOGGING_STR "Configure log message timestamping\n"
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"Don't prefix each log message\n"
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"Prefix each log message with current timestamp\n")
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{
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struct telnet_connection *conn;
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conn = (struct telnet_connection *) vty->priv;
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if (!conn->dbg) {
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vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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log_set_print_timestamp(conn->dbg, atoi(argv[0]));
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return CMD_SUCCESS;
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}
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/* FIXME: those have to be kept in sync with the log levels and categories */
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#define VTY_DEBUG_CATEGORIES "(rll|cc|mm|rr|rsl|nm|sms|pag|mncc|inp|mi|mib|mux|meas|sccp|msc|mgcp|ho|db|ref|gprs|ns|bssgp|llc|sndcp|all)"
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#define CATEGORIES_HELP \
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"A-bis Radio Link Layer (RLL)\n" \
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"Layer3 Call Control (CC)\n" \
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"Layer3 Mobility Management (MM)\n" \
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"Layer3 Radio Resource (RR)\n" \
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"A-bis Radio Signalling Link (RSL)\n" \
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"A-bis Network Management / O&M (NM/OML)\n" \
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"Layer3 Short Messagaging Service (SMS)\n" \
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"Paging Subsystem\n" \
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"MNCC API for Call Control application\n" \
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"A-bis Input Subsystem\n" \
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"A-bis Input Driver for Signalling\n" \
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"A-bis Input Driver for B-Channel (voice data)\n" \
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"A-bis B-Channel / Sub-channel Multiplexer\n" \
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"Radio Measurements\n" \
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"SCCP\n" \
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"Mobile Switching Center\n" \
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"Media Gateway Control Protocol\n" \
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"Hand-over\n" \
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"Database Layer\n" \
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"Reference Counting\n" \
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"GPRS Core\n" \
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"GPRS Network Service (NS)\n" \
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"GPRS BSS Gateway Protocol (BSSGP)\n" \
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"GPRS Logical Link Control Protocol (LLC)\n" \
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"GPRS Sub-Network Dependent Control Protocol (SNDCP)\n" \
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"Global setting for all subsytems\n"
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#define VTY_DEBUG_LEVELS "(everything|debug|info|notice|error|fatal)"
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#define LEVELS_HELP \
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"Log simply everything\n" \
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"Log debug messages and higher levels\n" \
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"Log informational messages and higher levels\n" \
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"Log noticable messages and higher levels\n" \
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"Log error messages and higher levels\n" \
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"Log only fatal messages\n"
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DEFUN(logging_level,
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logging_level_cmd,
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"logging level " VTY_DEBUG_CATEGORIES " " VTY_DEBUG_LEVELS,
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LOGGING_STR
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"Set the log level for a specified category\n"
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CATEGORIES_HELP
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LEVELS_HELP)
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{
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struct telnet_connection *conn;
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int category = log_parse_category(argv[0]);
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int level = log_parse_level(argv[1]);
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conn = (struct telnet_connection *) vty->priv;
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if (!conn->dbg) {
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vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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if (level < 0) {
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vty_out(vty, "Invalid level `%s'%s", argv[1], VTY_NEWLINE);
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return CMD_WARNING;
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}
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/* Check for special case where we want to set global log level */
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if (!strcmp(argv[0], "all")) {
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log_set_log_level(conn->dbg, level);
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return CMD_SUCCESS;
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}
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if (category < 0) {
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vty_out(vty, "Invalid category `%s'%s", argv[0], VTY_NEWLINE);
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return CMD_WARNING;
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}
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conn->dbg->categories[category].enabled = 1;
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conn->dbg->categories[category].loglevel = level;
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return CMD_SUCCESS;
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}
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DEFUN(logging_set_category_mask,
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logging_set_category_mask_cmd,
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"logging set log mask MASK",
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LOGGING_STR
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"Decide which categories to output.\n")
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{
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struct telnet_connection *conn;
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conn = (struct telnet_connection *) vty->priv;
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if (!conn->dbg) {
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vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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log_parse_category_mask(conn->dbg, argv[0]);
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return CMD_SUCCESS;
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}
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DEFUN(diable_logging,
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disable_logging_cmd,
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"logging disable",
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LOGGING_STR
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"Disables logging to this vty\n")
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{
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struct telnet_connection *conn;
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conn = (struct telnet_connection *) vty->priv;
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if (!conn->dbg) {
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vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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log_del_target(conn->dbg);
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talloc_free(conn->dbg);
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conn->dbg = NULL;
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return CMD_SUCCESS;
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}
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static void vty_print_logtarget(struct vty *vty, const struct log_info *info,
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const struct log_target *tgt)
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{
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unsigned int i;
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vty_out(vty, " Global Loglevel: %s%s",
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log_level_str(tgt->loglevel), VTY_NEWLINE);
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vty_out(vty, " Use color: %s, Print Timestamp: %s%s",
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tgt->use_color ? "On" : "Off",
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tgt->print_timestamp ? "On" : "Off", VTY_NEWLINE);
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vty_out(vty, " Log Level specific information:%s", VTY_NEWLINE);
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for (i = 0; i < info->num_cat; i++) {
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const struct log_category *cat = &tgt->categories[i];
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vty_out(vty, " %-10s %-10s %-8s %s%s",
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info->cat[i].name+1, log_level_str(cat->loglevel),
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cat->enabled ? "Enabled" : "Disabled",
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info->cat[i].description,
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VTY_NEWLINE);
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}
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}
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#define SHOW_LOG_STR "Show current logging configuration\n"
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DEFUN(show_logging_vty,
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show_logging_vty_cmd,
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"show logging vty",
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SHOW_STR SHOW_LOG_STR
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"Show current logging configuration for this vty\n")
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{
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struct telnet_connection *conn;
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conn = (struct telnet_connection *) vty->priv;
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if (!conn->dbg) {
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vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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vty_print_logtarget(vty, log_info, conn->dbg);
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return CMD_SUCCESS;
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}
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gDEFUN(cfg_description, cfg_description_cmd,
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"description .TEXT",
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"Save human-readable decription of the object\n")
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{
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char **dptr = vty->index_sub;
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if (!dptr) {
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vty_out(vty, "vty->index_sub == NULL%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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*dptr = argv_concat(argv, argc, 0);
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if (!dptr)
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return CMD_WARNING;
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return CMD_SUCCESS;
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}
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gDEFUN(cfg_no_description, cfg_no_description_cmd,
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"no description",
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NO_STR
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"Remove description of the object\n")
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{
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char **dptr = vty->index_sub;
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if (!dptr) {
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vty_out(vty, "vty->index_sub == NULL%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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if (*dptr) {
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talloc_free(*dptr);
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*dptr = NULL;
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}
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return CMD_SUCCESS;
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}
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void logging_vty_add_cmds()
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{
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install_element_ve(&enable_logging_cmd);
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install_element_ve(&disable_logging_cmd);
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install_element_ve(&logging_fltr_all_cmd);
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install_element_ve(&logging_use_clr_cmd);
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install_element_ve(&logging_prnt_timestamp_cmd);
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install_element_ve(&logging_set_category_mask_cmd);
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install_element_ve(&logging_level_cmd);
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install_element_ve(&show_logging_vty_cmd);
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}
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