/***************************************************************************** * * Nagios check_game plugin * * License: GPL * Copyright (c) 2002-2007 Nagios Plugins Development Team * * Last Modified: $Date$ * * 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 . * * $Id$ * *****************************************************************************/ const char *progname = "check_game"; const char *revision = "$Revision$"; const char *copyright = "2002-2007"; const char *email = "nagiosplug-devel@lists.sourceforge.net"; #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; int verbose; 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); if (process_arguments (argc, argv) == ERROR) usage_va(_("Could not parse arguments")); result = STATE_OK; /* create the command line to execute */ asprintf (&command_line, "%s -raw %s -%s %s", PATH_TO_QSTAT, QSTAT_DATA_DELIMITER, game_type, server_ip); if (port) asprintf (&command_line, "%s:%-d", command_line, port); if (verbose > 0) 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_OK); case 'V': /* version */ print_revision (progname, revision); exit (STATE_OK); 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 [-p port] [-gf game_field] [-mf map_field] [-pf ping_field]\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 * ******************************************************************************/