1 /******************************************************************************
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
16 *
17 * $Id$
18 *****************************************************************************/
20 const char *progname = "check_game";
21 const char *revision = "$Revision$";
22 const char *copyright = "2002-2005";
23 const char *email = "nagiosplug-devel@lists.sourceforge.net";
25 #include "common.h"
26 #include "utils.h"
27 #include "runcmd.h"
29 int process_arguments (int, char **);
30 int validate_arguments (void);
31 void print_help (void);
32 void print_usage (void);
34 #define QSTAT_DATA_DELIMITER ","
36 #define QSTAT_HOST_ERROR "ERROR"
37 #define QSTAT_HOST_DOWN "DOWN"
38 #define QSTAT_HOST_TIMEOUT "TIMEOUT"
39 #define QSTAT_MAX_RETURN_ARGS 12
41 char *server_ip;
42 char *game_type;
43 int port = 0;
45 int verbose;
47 int qstat_game_players_max = -1;
48 int qstat_game_players = -1;
49 int qstat_game_field = -1;
50 int qstat_map_field = -1;
51 int qstat_ping_field = -1;
54 int
55 main (int argc, char **argv)
56 {
57 char *command_line;
58 int result = STATE_UNKNOWN;
59 char *p, *ret[QSTAT_MAX_RETURN_ARGS];
60 size_t i = 0;
61 output chld_out;
63 setlocale (LC_ALL, "");
64 bindtextdomain (PACKAGE, LOCALEDIR);
65 textdomain (PACKAGE);
67 if (process_arguments (argc, argv) == ERROR)
68 usage_va(_("Could not parse arguments"));
70 result = STATE_OK;
72 /* create the command line to execute */
73 asprintf (&command_line, "%s -raw %s -%s %s",
74 PATH_TO_QSTAT, QSTAT_DATA_DELIMITER, game_type, server_ip);
76 if (port)
77 asprintf (&command_line, "%s:%-d", command_line, port);
79 if (verbose > 0)
80 printf ("%s\n", command_line);
82 /* run the command. historically, this plugin ignores output on stderr,
83 * as well as return status of the qstat program */
84 (void)np_runcmd(command_line, &chld_out, NULL, 0);
86 /* sanity check */
87 /* was thinking about running qstat without any options, capturing the
88 -default line, parsing it & making an array of all know server types
89 but thought this would be too much hassle considering this is a tool
90 for intelligent sysadmins (ha). Could put a static array of known
91 server types in a header file but then we'd be limiting ourselves
93 In the end, I figured I'd simply let an error occur & then trap it
94 */
96 if (!strncmp (chld_out.line[0], "unknown option", 14)) {
97 printf (_("CRITICAL - Host type parameter incorrect!\n"));
98 result = STATE_CRITICAL;
99 return result;
100 }
102 p = (char *) strtok (chld_out.line[0], QSTAT_DATA_DELIMITER);
103 while (p != NULL) {
104 ret[i] = p;
105 p = (char *) strtok (NULL, QSTAT_DATA_DELIMITER);
106 i++;
107 if (i >= QSTAT_MAX_RETURN_ARGS)
108 break;
109 }
111 if (strstr (ret[2], QSTAT_HOST_ERROR)) {
112 printf (_("CRITICAL - Host not found\n"));
113 result = STATE_CRITICAL;
114 }
115 else if (strstr (ret[2], QSTAT_HOST_DOWN)) {
116 printf (_("CRITICAL - Game server down or unavailable\n"));
117 result = STATE_CRITICAL;
118 }
119 else if (strstr (ret[2], QSTAT_HOST_TIMEOUT)) {
120 printf (_("CRITICAL - Game server timeout\n"));
121 result = STATE_CRITICAL;
122 }
123 else {
124 printf ("OK: %s/%s %s (%s), Ping: %s ms|%s %s\n",
125 ret[qstat_game_players],
126 ret[qstat_game_players_max],
127 ret[qstat_game_field],
128 ret[qstat_map_field],
129 ret[qstat_ping_field],
130 perfdata ("players", atol(ret[qstat_game_players]), "",
131 FALSE, 0, FALSE, 0,
132 TRUE, 0, TRUE, atol(ret[qstat_game_players_max])),
133 fperfdata ("ping", strtod(ret[qstat_ping_field], NULL), "",
134 FALSE, 0, FALSE, 0,
135 TRUE, 0, FALSE, 0));
136 }
138 return result;
139 }
142 int
143 process_arguments (int argc, char **argv)
144 {
145 int c;
147 int opt_index = 0;
148 static struct option long_opts[] = {
149 {"help", no_argument, 0, 'h'},
150 {"version", no_argument, 0, 'V'},
151 {"verbose", no_argument, 0, 'v'},
152 {"timeout", required_argument, 0, 't'},
153 {"hostname", required_argument, 0, 'H'},
154 {"port", required_argument, 0, 'P'},
155 {"game-type", required_argument, 0, 'G'},
156 {"map-field", required_argument, 0, 'm'},
157 {"ping-field", required_argument, 0, 'p'},
158 {"game-field", required_argument, 0, 'g'},
159 {"players-field", required_argument, 0, 129},
160 {"max-players-field", required_argument, 0, 130},
161 {0, 0, 0, 0}
162 };
164 if (argc < 2)
165 return ERROR;
167 for (c = 1; c < argc; c++) {
168 if (strcmp ("-mf", argv[c]) == 0)
169 strcpy (argv[c], "-m");
170 else if (strcmp ("-pf", argv[c]) == 0)
171 strcpy (argv[c], "-p");
172 else if (strcmp ("-gf", argv[c]) == 0)
173 strcpy (argv[c], "-g");
174 }
176 while (1) {
177 c = getopt_long (argc, argv, "hVvt:H:P:G:g:p:m:", long_opts, &opt_index);
179 if (c == -1 || c == EOF)
180 break;
182 switch (c) {
183 case 'h': /* help */
184 print_help ();
185 exit (STATE_OK);
186 case 'V': /* version */
187 print_revision (progname, revision);
188 exit (STATE_OK);
189 case 'v': /* version */
190 verbose = TRUE;
191 break;
192 case 't': /* timeout period */
193 timeout_interval = atoi (optarg);
194 break;
195 case 'H': /* hostname */
196 if (strlen (optarg) >= MAX_HOST_ADDRESS_LENGTH)
197 die (STATE_UNKNOWN, _("Input buffer overflow\n"));
198 server_ip = optarg;
199 break;
200 case 'P': /* port */
201 port = atoi (optarg);
202 break;
203 case 'G': /* hostname */
204 if (strlen (optarg) >= MAX_INPUT_BUFFER)
205 die (STATE_UNKNOWN, _("Input buffer overflow\n"));
206 game_type = optarg;
207 break;
208 case 'p': /* index of ping field */
209 qstat_ping_field = atoi (optarg);
210 if (qstat_ping_field < 0 || qstat_ping_field > QSTAT_MAX_RETURN_ARGS)
211 return ERROR;
212 break;
213 case 'm': /* index on map field */
214 qstat_map_field = atoi (optarg);
215 if (qstat_map_field < 0 || qstat_map_field > QSTAT_MAX_RETURN_ARGS)
216 return ERROR;
217 break;
218 case 'g': /* index of game field */
219 qstat_game_field = atoi (optarg);
220 if (qstat_game_field < 0 || qstat_game_field > QSTAT_MAX_RETURN_ARGS)
221 return ERROR;
222 break;
223 case 129: /* index of player count field */
224 qstat_game_players = atoi (optarg);
225 if (qstat_game_players_max == 0)
226 qstat_game_players_max = qstat_game_players - 1;
227 if (qstat_game_players < 0 || qstat_game_players > QSTAT_MAX_RETURN_ARGS)
228 return ERROR;
229 break;
230 case 130: /* index of max players field */
231 qstat_game_players_max = atoi (optarg);
232 if (qstat_game_players_max < 0 || qstat_game_players_max > QSTAT_MAX_RETURN_ARGS)
233 return ERROR;
234 break;
235 default: /* args not parsable */
236 usage_va(_("Unknown argument - %s"), optarg);
237 }
238 }
240 c = optind;
241 /* first option is the game type */
242 if (!game_type && c<argc)
243 game_type = strdup (argv[c++]);
245 /* Second option is the server name */
246 if (!server_ip && c<argc)
247 server_ip = strdup (argv[c++]);
249 return validate_arguments ();
250 }
253 int
254 validate_arguments (void)
255 {
256 if (qstat_game_players_max < 0)
257 qstat_game_players_max = 4;
259 if (qstat_game_players < 0)
260 qstat_game_players = 5;
262 if (qstat_game_field < 0)
263 qstat_game_field = 2;
265 if (qstat_map_field < 0)
266 qstat_map_field = 3;
268 if (qstat_ping_field < 0)
269 qstat_ping_field = 5;
271 return OK;
272 }
275 void
276 print_help (void)
277 {
278 print_revision (progname, revision);
280 printf ("Copyright (c) 1999 Ian Cass, Knowledge Matters Limited\n");
281 printf (COPYRIGHT, copyright, email);
283 printf (_("This plugin tests game server connections with the specified host."));
285 printf ("\n\n");
287 print_usage ();
289 printf (_(UT_HELP_VRSN));
291 printf (_("\
292 <game> = Game type that is recognised by qstat (without the leading dash)\n\
293 <ip_address> = The IP address of the device you wish to query\n\
294 [port] = Optional port of which to connect\n\
295 [game_field] = Field number in raw qstat output that contains game name\n\
296 [map_field] = Field number in raw qstat output that contains map name\n\
297 [ping_field] = Field number in raw qstat output that contains ping time\n"));
299 printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
301 printf (_("Notes:"));
303 printf ("\n");
305 printf (_("This plugin uses the 'qstat' command, the popular game server status query tool ."));
307 printf ("\n");
309 printf (_("If you don't have the package installed, you will need to download it from"));
311 printf ("\n");
313 printf (_("http://www.activesw.com/people/steve/qstat.html before you can use this plugin."));
315 printf ("\n");
317 printf (_(UT_SUPPORT));
318 }
322 void
323 print_usage (void)
324 {
325 printf (_("Usage:"));
326 printf (" %s <game> <ip_address> [-p port] [-gf game_field] [-mf map_field] [-pf ping_field]\n", progname);
327 }
329 /******************************************************************************
330 *
331 * Test Cases:
332 *
333 * ./check_game --players 7 -p 8 --map 5 qs 67.20.190.61 26000
334 *
335 * qstat -raw , -qs 67.20.190.61
336 * ==> QS,67.20.190.61,Nightmare.fintek.ca,67.20.190.61:26000,3,e2m1,6,0,83,0
337 *
338 * qstat -qs 67.20.190.61
339 * ==> ADDRESS PLAYERS MAP RESPONSE TIME NAME
340 * ==> 67.20.190.61 0/ 6 e2m1 79 / 0 Nightmare.fintek.ca
341 *
342 ******************************************************************************/