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monitoring-plugins/plugins/check_hpjd.c
Subhendu Ghosh 3f9ccbd2da updated notes 
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@25 f882894a-f735-0410-b71e-b25c423dba1c
2002-05-08 05:07:22 +00:00

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14 KiB
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/******************************************************************************
*
* CHECK_HPJD.C
*
* Program: HP printer plugin for Nagios
* License: GPL
* Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)
*
* Last Modified: $Date$
*
* Command line: CHECK_HPJD <ip_address> [community]
*
* Description:
*
* This plugin will attempt to check the status of an HP printer. The
* printer must have a JetDirect card installed and TCP/IP protocol
* stack enabled. This plugin has only been tested on a few printers
* and may not work well on all models of JetDirect cards. Multiple
* port JetDirect devices must have an IP address assigned to each
* port in order to be monitored.
*
* Dependencies:
*
* This plugin used the 'snmpget' command included with the UCD-SNMP
* package. If you don't have the package installed you will need to
* download it from http://ucd-snmp.ucdavis.edu before you can use
* this plugin.
*
* Return Values:
*
* UNKNOWN = The plugin could not read/process the output from the printer
* OK = Printer looks normal
* WARNING = Low toner, paper jam, intervention required, paper out, etc.
* CRITICAL = The printer could not be reached (it's probably turned off)
*
* Acknowledgements:
*
* The idea for the plugin (as well as some code) were taken from Jim
* Trocki's pinter alert script in his "mon" utility, found at
* http://www.kernel.org/software/mon
*
* Notes:
* 'JetDirect' is copyrighted by Hewlett-Packard.
* HP, please don't sue me... :-)
*
* License Information:
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************************/
#include "common.h"
#include "popen.h"
#include "utils.h"
#define PROGNAME "check_hpjd"
#define HPJD_LINE_STATUS ".1.3.6.1.4.1.11.2.3.9.1.1.2.1"
#define HPJD_PAPER_STATUS ".1.3.6.1.4.1.11.2.3.9.1.1.2.2"
#define HPJD_INTERVENTION_REQUIRED ".1.3.6.1.4.1.11.2.3.9.1.1.2.3"
#define HPJD_GD_PERIPHERAL_ERROR ".1.3.6.1.4.1.11.2.3.9.1.1.2.6"
#define HPJD_GD_PAPER_JAM ".1.3.6.1.4.1.11.2.3.9.1.1.2.8"
#define HPJD_GD_PAPER_OUT ".1.3.6.1.4.1.11.2.3.9.1.1.2.9"
#define HPJD_GD_TONER_LOW ".1.3.6.1.4.1.11.2.3.9.1.1.2.10"
#define HPJD_GD_PAGE_PUNT ".1.3.6.1.4.1.11.2.3.9.1.1.2.11"
#define HPJD_GD_MEMORY_OUT ".1.3.6.1.4.1.11.2.3.9.1.1.2.12"
#define HPJD_GD_DOOR_OPEN ".1.3.6.1.4.1.11.2.3.9.1.1.2.17"
#define HPJD_GD_PAPER_OUTPUT ".1.3.6.1.4.1.11.2.3.9.1.1.2.19"
#define HPJD_GD_STATUS_DISPLAY ".1.3.6.1.4.1.11.2.3.9.1.1.3"
#define ONLINE 0
#define OFFLINE 1
int process_arguments (int, char **);
int call_getopt (int, char **);
int validate_arguments (void);
void print_help (void);
void print_usage (void);
char *community = NULL;
char *address = NULL;
int
main (int argc, char **argv)
{
char command_line[1024];
int result;
int line;
char input_buffer[MAX_INPUT_BUFFER];
char query_string[512];
char error_message[MAX_INPUT_BUFFER];
char *temp_buffer;
int line_status = ONLINE;
int paper_status = 0;
int intervention_required = 0;
int peripheral_error = 0;
int paper_jam = 0;
int paper_out = 0;
int toner_low = 0;
int page_punt = 0;
int memory_out = 0;
int door_open = 0;
int paper_output = 0;
char display_message[MAX_INPUT_BUFFER];
if (process_arguments (argc, argv) != OK)
usage ("Invalid command arguments supplied\n");
/* removed ' 2>1' at end of command 10/27/1999 - EG */
/* create the query string */
sprintf
(query_string,
"%s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0 %s.0",
HPJD_LINE_STATUS,
HPJD_PAPER_STATUS,
HPJD_INTERVENTION_REQUIRED,
HPJD_GD_PERIPHERAL_ERROR,
HPJD_GD_PAPER_JAM,
HPJD_GD_PAPER_OUT,
HPJD_GD_TONER_LOW,
HPJD_GD_PAGE_PUNT,
HPJD_GD_MEMORY_OUT,
HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
/* get the command to run */
sprintf (command_line, "%s -m : -v 1 %s %s %s", PATH_TO_SNMPGET, address,
community, query_string);
/* run the command */
child_process = spopen (command_line);
if (child_process == NULL) {
printf ("Could not open pipe: %s\n", command_line);
return STATE_UNKNOWN;
}
child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
if (child_stderr == NULL) {
printf ("Could not open stderr for %s\n", command_line);
}
result = STATE_OK;
line = 0;
while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
/* strip the newline character from the end of the input */
if (input_buffer[strlen (input_buffer) - 1] == '\n')
input_buffer[strlen (input_buffer) - 1] = 0;
line++;
temp_buffer = strtok (input_buffer, "=");
temp_buffer = strtok (NULL, "=");
switch (line) {
case 1: /* 1st line should contain the line status */
if (temp_buffer != NULL)
line_status = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 2: /* 2nd line should contain the paper status */
if (temp_buffer != NULL)
paper_status = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 3: /* 3rd line should be intervention required */
if (temp_buffer != NULL)
intervention_required = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 4: /* 4th line should be peripheral error */
if (temp_buffer != NULL)
peripheral_error = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 5: /* 5th line should contain the paper jam status */
if (temp_buffer != NULL)
paper_jam = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 6: /* 6th line should contain the paper out status */
if (temp_buffer != NULL)
paper_out = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 7: /* 7th line should contain the toner low status */
if (temp_buffer != NULL)
toner_low = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 8: /* did data come too slow for engine */
if (temp_buffer != NULL)
page_punt = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 9: /* did we run out of memory */
if (temp_buffer != NULL)
memory_out = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 10: /* is there a door open */
if (temp_buffer != NULL)
door_open = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 11: /* is output tray full */
if (temp_buffer != NULL)
paper_output = atoi (temp_buffer);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
case 12: /* display panel message */
if (temp_buffer != NULL)
strcpy (display_message, temp_buffer + 1);
else {
result = STATE_UNKNOWN;
strcpy (error_message, input_buffer);
}
break;
default:
break;
}
/* break out of the read loop if we encounter an error */
if (result != STATE_OK)
break;
}
/* WARNING if output found on stderr */
if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
result = max (result, STATE_WARNING);
/* close stderr */
(void) fclose (child_stderr);
/* close the pipe */
if (spclose (child_process))
result = max (result, STATE_WARNING);
/* if there wasn't any output, display an error */
if (line == 0) {
/*
result=STATE_UNKNOWN;
strcpy(error_message,"Error: Could not read plugin output\n");
*/
/* might not be the problem, but most likely is.. */
result = STATE_UNKNOWN;
sprintf (error_message, "Timeout: No response from %s\n", address);
}
/* if we had no read errors, check the printer status results... */
if (result == STATE_OK) {
if (paper_jam) {
result = STATE_WARNING;
strcpy (error_message, "Paper Jam");
}
else if (paper_out) {
result = STATE_WARNING;
strcpy (error_message, "Out of Paper");
}
else if (line_status == OFFLINE) {
if (strcmp (error_message, "POWERSAVE ON") != 0) {
result = STATE_WARNING;
strcpy (error_message, "Printer Offline");
}
}
else if (peripheral_error) {
result = STATE_WARNING;
strcpy (error_message, "Peripheral Error");
}
else if (intervention_required) {
result = STATE_WARNING;
strcpy (error_message, "Intervention Required");
}
else if (toner_low) {
result = STATE_WARNING;
strcpy (error_message, "Toner Low");
}
else if (memory_out) {
result = STATE_WARNING;
strcpy (error_message, "Insufficient Memory");
}
else if (door_open) {
result = STATE_WARNING;
strcpy (error_message, "A Door is Open");
}
else if (paper_output) {
result = STATE_WARNING;
strcpy (error_message, "Output Tray is Full");
}
else if (page_punt) {
result = STATE_WARNING;
strcpy (error_message, "Data too Slow for Engine");
}
else if (paper_status) {
result = STATE_WARNING;
strcpy (error_message, "Unknown Paper Error");
}
}
if (result == STATE_OK)
printf ("Printer ok - (%s)\n", display_message);
else if (result == STATE_UNKNOWN) {
printf ("%s\n", error_message);
/* if printer could not be reached, escalate to critical */
if (strstr (error_message, "Timeout"))
result = STATE_CRITICAL;
}
else if (result == STATE_WARNING)
printf ("%s (%s)\n", error_message, display_message);
return result;
}
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{
int c;
if (argc < 2)
return ERROR;
for (c = 1; c < argc; c++) {
if (strcmp ("-to", argv[c]) == 0)
strcpy (argv[c], "-t");
else if (strcmp ("-wt", argv[c]) == 0)
strcpy (argv[c], "-w");
else if (strcmp ("-ct", argv[c]) == 0)
strcpy (argv[c], "-c");
}
c = 0;
while ((c += (call_getopt (argc - c, &argv[c]))) < argc) {
if (is_option (argv[c]))
continue;
if (address == NULL) {
if (is_host (argv[c])) {
address = argv[c];
}
else {
usage ("Invalid host name");
}
}
else if (community == NULL) {
community = argv[c];
}
}
if (address == NULL)
address = strscpy (NULL, "127.0.0.1");
return validate_arguments ();
}
int
call_getopt (int argc, char **argv)
{
int c, i = 0;
#ifdef HAVE_GETOPT_H
int option_index = 0;
static struct option long_options[] = {
{"hostname", required_argument, 0, 'H'},
{"expect", required_argument, 0, 'e'},
/* {"critical", required_argument,0,'c'}, */
/* {"warning", required_argument,0,'w'}, */
/* {"port", required_argument,0,'P'}, */
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
#endif
while (1) {
#ifdef HAVE_GETOPT_H
c = getopt_long (argc, argv, "+hVH:C:", long_options, &option_index);
#else
c = getopt (argc, argv, "+?hVH:C:");
#endif
i++;
if (c == -1 || c == EOF || c == 1)
break;
switch (c) {
case 'H':
case 'C':
i++;
}
switch (c) {
case 'H': /* hostname */
if (is_host (optarg)) {
address = optarg;
}
else {
usage ("Invalid host name\n");
}
break;
case 'C': /* community */
community = optarg;
break;
case 'V': /* version */
print_revision (PROGNAME, "$Revision$");
exit (STATE_OK);
case 'h': /* help */
print_help ();
exit (STATE_OK);
case '?': /* help */
usage ("Invalid argument\n");
}
}
return i;
}
int
validate_arguments (void)
{
return OK;
}
void
print_help (void)
{
print_revision (PROGNAME, "$Revision$");
printf
("Copyright (c) 2000 Ethan Galstad/Karl DeBisschop\n\n"
"This plugin tests the STATUS of an HP printer with a JetDirect card.\n"
"Ucd-snmp must be installed on the computer running the plugin.\n\n");
print_usage ();
printf
("\nOptions:\n"
" -H, --hostname=STRING or IPADDRESS\n"
" Check server on the indicated host\n"
" -C, --community=STRING\n"
" The SNMP community name\n"
" -h, --help\n"
" Print detailed help screen\n"
" -V, --version\n" " Print version information\n\n");
support ();
}
void
print_usage (void)
{
printf
("Usage: %s -H host [-C community]\n"
" %s --help\n"
" %s --version\n", PROGNAME, PROGNAME, PROGNAME);
}
/*
if(argc<2||argc>3){
printf("Incorrect number of arguments supplied\n");
printf("\n");
print_revision(argv[0],"$Revision$");
printf("Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)\n");
printf("License: GPL\n");
printf("\n");
printf("Usage: %s <ip_address> [community]\n",argv[0]);
printf("\n");
printf("Note:\n");
printf(" <ip_address> = The IP address of the JetDirect card\n");
printf(" [community] = An optional community string used for SNMP communication\n");
printf(" with the JetDirect card. The default is 'public'.\n");
printf("\n");
return STATE_UNKNOWN;
}
// get the IP address of the JetDirect device
strcpy(address,argv[1]);
// get the community name to use for SNMP communication
if(argc>=3)
strcpy(community,argv[2]);
else
strcpy(community,"public");
*/
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