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pkg-monitoring-plugins/plugins/check_game.c

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/*****************************************************************************
*
* Monitoring check_game plugin
*
* License: GPL
* Copyright (c) 2002-2007 Monitoring Plugins Development Team
*
* Description:
*
* This file contains the check_game plugin
*
* This plugin tests game server connections with the specified host.
* using the qstat program
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
*****************************************************************************/
const char *progname = "check_game";
const char *copyright = "2002-2007";
const char *email = "devel@monitoring-plugins.org";
#include "common.h"
#include "utils.h"
#include "runcmd.h"
int process_arguments (int, char **);
int validate_arguments (void);
void print_help (void);
void print_usage (void);
#define QSTAT_DATA_DELIMITER ","
#define QSTAT_HOST_ERROR "ERROR"
#define QSTAT_HOST_DOWN "DOWN"
#define QSTAT_HOST_TIMEOUT "TIMEOUT"
#define QSTAT_MAX_RETURN_ARGS 12
char *server_ip;
char *game_type;
int port = 0;
bool verbose = false;
int qstat_game_players_max = -1;
int qstat_game_players = -1;
int qstat_game_field = -1;
int qstat_map_field = -1;
int qstat_ping_field = -1;
int
main (int argc, char **argv)
{
char *command_line;
int result = STATE_UNKNOWN;
char *p, *ret[QSTAT_MAX_RETURN_ARGS];
size_t i = 0;
output chld_out;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
/* Parse extra opts if any */
argv=np_extra_opts (&argc, argv, progname);
if (process_arguments (argc, argv) == ERROR)
usage_va(_("Could not parse arguments"));
result = STATE_OK;
/* create the command line to execute */
xasprintf (&command_line, "%s -raw %s -%s %s",
PATH_TO_QSTAT, QSTAT_DATA_DELIMITER, game_type, server_ip);
if (port)
xasprintf (&command_line, "%s:%-d", command_line, port);
if (verbose)
printf ("%s\n", command_line);
/* run the command. historically, this plugin ignores output on stderr,
* as well as return status of the qstat program */
(void)np_runcmd(command_line, &chld_out, NULL, 0);
/* sanity check */
/* was thinking about running qstat without any options, capturing the
-default line, parsing it & making an array of all know server types
but thought this would be too much hassle considering this is a tool
for intelligent sysadmins (ha). Could put a static array of known
server types in a header file but then we'd be limiting ourselves
In the end, I figured I'd simply let an error occur & then trap it
*/
if (!strncmp (chld_out.line[0], "unknown option", 14)) {
printf (_("CRITICAL - Host type parameter incorrect!\n"));
result = STATE_CRITICAL;
return result;
}
p = (char *) strtok (chld_out.line[0], QSTAT_DATA_DELIMITER);
while (p != NULL) {
ret[i] = p;
p = (char *) strtok (NULL, QSTAT_DATA_DELIMITER);
i++;
if (i >= QSTAT_MAX_RETURN_ARGS)
break;
}
if (strstr (ret[2], QSTAT_HOST_ERROR)) {
printf (_("CRITICAL - Host not found\n"));
result = STATE_CRITICAL;
}
else if (strstr (ret[2], QSTAT_HOST_DOWN)) {
printf (_("CRITICAL - Game server down or unavailable\n"));
result = STATE_CRITICAL;
}
else if (strstr (ret[2], QSTAT_HOST_TIMEOUT)) {
printf (_("CRITICAL - Game server timeout\n"));
result = STATE_CRITICAL;
}
else {
printf ("OK: %s/%s %s (%s), Ping: %s ms|%s %s\n",
ret[qstat_game_players],
ret[qstat_game_players_max],
ret[qstat_game_field],
ret[qstat_map_field],
ret[qstat_ping_field],
perfdata ("players", atol(ret[qstat_game_players]), "",
false, 0, false, 0,
true, 0, true, atol(ret[qstat_game_players_max])),
fperfdata ("ping", strtod(ret[qstat_ping_field], NULL), "",
false, 0, false, 0,
true, 0, false, 0));
}
return result;
}
int
process_arguments (int argc, char **argv)
{
int c;
int opt_index = 0;
static struct option long_opts[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"verbose", no_argument, 0, 'v'},
{"timeout", required_argument, 0, 't'},
{"hostname", required_argument, 0, 'H'},
{"port", required_argument, 0, 'P'},
{"game-type", required_argument, 0, 'G'},
{"map-field", required_argument, 0, 'm'},
{"ping-field", required_argument, 0, 'p'},
{"game-field", required_argument, 0, 'g'},
{"players-field", required_argument, 0, 129},
{"max-players-field", required_argument, 0, 130},
{0, 0, 0, 0}
};
if (argc < 2)
return ERROR;
for (c = 1; c < argc; c++) {
if (strcmp ("-mf", argv[c]) == 0)
strcpy (argv[c], "-m");
else if (strcmp ("-pf", argv[c]) == 0)
strcpy (argv[c], "-p");
else if (strcmp ("-gf", argv[c]) == 0)
strcpy (argv[c], "-g");
}
while (1) {
c = getopt_long (argc, argv, "hVvt:H:P:G:g:p:m:", long_opts, &opt_index);
if (c == -1 || c == EOF)
break;
switch (c) {
case 'h': /* help */
print_help ();
exit (STATE_UNKNOWN);
case 'V': /* version */
print_revision (progname, NP_VERSION);
exit (STATE_UNKNOWN);
case 'v': /* version */
verbose = true;
break;
case 't': /* timeout period */
timeout_interval = atoi (optarg);
break;
case 'H': /* hostname */
if (strlen (optarg) >= MAX_HOST_ADDRESS_LENGTH)
die (STATE_UNKNOWN, _("Input buffer overflow\n"));
server_ip = optarg;
break;
case 'P': /* port */
port = atoi (optarg);
break;
case 'G': /* hostname */
if (strlen (optarg) >= MAX_INPUT_BUFFER)
die (STATE_UNKNOWN, _("Input buffer overflow\n"));
game_type = optarg;
break;
case 'p': /* index of ping field */
qstat_ping_field = atoi (optarg);
if (qstat_ping_field < 0 || qstat_ping_field > QSTAT_MAX_RETURN_ARGS)
return ERROR;
break;
case 'm': /* index on map field */
qstat_map_field = atoi (optarg);
if (qstat_map_field < 0 || qstat_map_field > QSTAT_MAX_RETURN_ARGS)
return ERROR;
break;
case 'g': /* index of game field */
qstat_game_field = atoi (optarg);
if (qstat_game_field < 0 || qstat_game_field > QSTAT_MAX_RETURN_ARGS)
return ERROR;
break;
case 129: /* index of player count field */
qstat_game_players = atoi (optarg);
if (qstat_game_players_max == 0)
qstat_game_players_max = qstat_game_players - 1;
if (qstat_game_players < 0 || qstat_game_players > QSTAT_MAX_RETURN_ARGS)
return ERROR;
break;
case 130: /* index of max players field */
qstat_game_players_max = atoi (optarg);
if (qstat_game_players_max < 0 || qstat_game_players_max > QSTAT_MAX_RETURN_ARGS)
return ERROR;
break;
default: /* args not parsable */
usage5();
}
}
c = optind;
/* first option is the game type */
if (!game_type && c<argc)
game_type = strdup (argv[c++]);
/* Second option is the server name */
if (!server_ip && c<argc)
server_ip = strdup (argv[c++]);
return validate_arguments ();
}
int
validate_arguments (void)
{
if (qstat_game_players_max < 0)
qstat_game_players_max = 4;
if (qstat_game_players < 0)
qstat_game_players = 5;
if (qstat_game_field < 0)
qstat_game_field = 2;
if (qstat_map_field < 0)
qstat_map_field = 3;
if (qstat_ping_field < 0)
qstat_ping_field = 5;
return OK;
}
void
print_help (void)
{
print_revision (progname, NP_VERSION);
printf ("Copyright (c) 1999 Ian Cass, Knowledge Matters Limited\n");
printf (COPYRIGHT, copyright, email);
printf (_("This plugin tests game server connections with the specified host."));
printf ("\n\n");
print_usage ();
printf (UT_HELP_VRSN);
printf (UT_EXTRA_OPTS);
printf (" %s\n", "-p");
printf (" %s\n", _("Optional port of which to connect"));
printf (" %s\n", "gf");
printf (" %s\n", _("Field number in raw qstat output that contains game name"));
printf (" %s\n", "-mf");
printf (" %s\n", _("Field number in raw qstat output that contains map name"));
printf (" %s\n", "-pf");
printf (" %s\n", _("Field number in raw qstat output that contains ping time"));
printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
printf ("\n");
printf ("%s\n", _("Notes:"));
printf (" %s\n", _("This plugin uses the 'qstat' command, the popular game server status query tool."));
printf (" %s\n", _("If you don't have the package installed, you will need to download it from"));
printf (" %s\n", _("https://github.com/multiplay/qstat before you can use this plugin."));
printf (UT_SUPPORT);
}
void
print_usage (void)
{
printf ("%s\n", _("Usage:"));
printf (" %s [-hvV] [-P port] [-t timeout] [-g game_field] [-m map_field] [-p ping_field] [-G game-time] [-H hostname] <game> <ip_address>\n", progname);
}
/******************************************************************************
*
* Test Cases:
*
* ./check_game --players 7 -p 8 --map 5 qs 67.20.190.61 26000
*
* qstat -raw , -qs 67.20.190.61
* ==> QS,67.20.190.61,Nightmare.fintek.ca,67.20.190.61:26000,3,e2m1,6,0,83,0
*
* qstat -qs 67.20.190.61
* ==> ADDRESS PLAYERS MAP RESPONSE TIME NAME
* ==> 67.20.190.61 0/ 6 e2m1 79 / 0 Nightmare.fintek.ca
*
******************************************************************************/
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