Adding upstream version 2.3.5.upstream/2.3.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 385 insertions, 0 deletions

diff --git a/plugins/check_mrtg.c b/plugins/check_mrtg.c
new file mode 100644
index 0000000..1fda549
--- /dev/null
+++ b/plugins/check_mrtg.c
@@ -0,0 +1,385 @@
+/*****************************************************************************
+* 
+* Monitoring check_mrtg plugin
+* 
+* License: GPL
+* Copyright (c) 1999-2007 Monitoring Plugins Development Team
+* 
+* Description:
+* 
+* This file contains the check_mrtg plugin
+* 
+* This plugin will check either the average or maximum value of one of the
+* two variables recorded in an MRTG log file.
+* 
+* 
+* 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_mrtg";
+const char *copyright = "1999-2007";
+const char *email = "devel@monitoring-plugins.org";
+
+#include "common.h"
+#include "utils.h"
+
+int process_arguments (int, char **);
+int validate_arguments (void);
+void print_help (void);
+void print_usage (void);
+
+char *log_file = NULL;
+int expire_minutes = 0;
+int use_average = TRUE;
+int variable_number = -1;
+unsigned long value_warning_threshold = 0L;
+unsigned long value_critical_threshold = 0L;
+char *label;
+char *units;
+
+int
+main (int argc, char **argv)
+{
+	int result = STATE_OK;
+	FILE *fp;
+	int line;
+	char input_buffer[MAX_INPUT_BUFFER];
+	char *temp_buffer;
+	time_t current_time;
+	time_t timestamp = 0L;
+	unsigned long average_value_rate = 0L;
+	unsigned long maximum_value_rate = 0L;
+	unsigned long rate = 0L;
+
+	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)
+		usage4 (_("Could not parse arguments\n"));
+
+	/* open the MRTG log file for reading */
+	fp = fopen (log_file, "r");
+	if (fp == NULL) {
+		printf (_("Unable to open MRTG log file\n"));
+		return STATE_UNKNOWN;
+	}
+
+	line = 0;
+	while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, fp)) {
+
+		line++;
+
+		/* skip the first line of the log file */
+		if (line == 1)
+			continue;
+
+		/* break out of read loop if we've passed the number of entries we want to read */
+		if (line > 2)
+			break;
+
+		/* grab the timestamp */
+		temp_buffer = strtok (input_buffer, " ");
+		timestamp = strtoul (temp_buffer, NULL, 10);
+
+		/* grab the average value 1 rate */
+		temp_buffer = strtok (NULL, " ");
+		if (variable_number == 1)
+			average_value_rate = strtoul (temp_buffer, NULL, 10);
+
+		/* grab the average value 2 rate */
+		temp_buffer = strtok (NULL, " ");
+		if (variable_number == 2)
+			average_value_rate = strtoul (temp_buffer, NULL, 10);
+
+		/* grab the maximum value 1 rate */
+		temp_buffer = strtok (NULL, " ");
+		if (variable_number == 1)
+			maximum_value_rate = strtoul (temp_buffer, NULL, 10);
+
+		/* grab the maximum value 2 rate */
+		temp_buffer = strtok (NULL, " ");
+		if (variable_number == 2)
+			maximum_value_rate = strtoul (temp_buffer, NULL, 10);
+	}
+
+	/* close the log file */
+	fclose (fp);
+
+	/* if we couldn't read enough data, return an unknown error */
+	if (line <= 2) {
+		printf (_("Unable to process MRTG log file\n"));
+		return STATE_UNKNOWN;
+	}
+
+	/* make sure the MRTG data isn't too old */
+	time (&current_time);
+	if (expire_minutes > 0
+			&& (current_time - timestamp) > (expire_minutes * 60)) {
+		printf (_("MRTG data has expired (%d minutes old)\n"),
+		        (int) ((current_time - timestamp) / 60));
+		return STATE_WARNING;
+	}
+
+	/* else check the incoming/outgoing rates */
+	if (use_average == TRUE)
+		rate = average_value_rate;
+	else
+		rate = maximum_value_rate;
+
+	if (rate > value_critical_threshold)
+		result = STATE_CRITICAL;
+	else if (rate > value_warning_threshold)
+		result = STATE_WARNING;
+
+	printf("%s. %s = %lu %s|%s\n",
+	       (use_average == TRUE) ? _("Avg") : _("Max"),
+	       label, rate, units,
+	       perfdata(label, (long) rate, units,
+		        (int) value_warning_threshold, (long) value_warning_threshold,
+		        (int) value_critical_threshold, (long) value_critical_threshold,
+		        0, 0, 0, 0));
+
+	return result;
+}
+
+
+
+/* process command-line arguments */
+int
+process_arguments (int argc, char **argv)
+{
+	int c;
+
+	int option = 0;
+	static struct option longopts[] = {
+		{"logfile", required_argument, 0, 'F'},
+		{"expires", required_argument, 0, 'e'},
+		{"aggregation", required_argument, 0, 'a'},
+		{"variable", required_argument, 0, 'v'},
+		{"critical", required_argument, 0, 'c'},
+		{"warning", required_argument, 0, 'w'},
+		{"label", required_argument, 0, 'l'},
+		{"units", required_argument, 0, 'u'},
+		{"variable", required_argument, 0, 'v'},
+		{"version", no_argument, 0, 'V'},
+		{"help", no_argument, 0, 'h'},
+		{0, 0, 0, 0}
+	};
+
+	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");
+	}
+
+	while (1) {
+		c = getopt_long (argc, argv, "hVF:e:a:v:c:w:l:u:", longopts,
+									 &option);
+
+		if (c == -1 || c == EOF)
+			break;
+
+		switch (c) {
+		case 'F':									/* input file */
+			log_file = optarg;
+			break;
+		case 'e':									/* ups name */
+			expire_minutes = atoi (optarg);
+			break;
+		case 'a':									/* port */
+			if (!strcmp (optarg, "MAX"))
+				use_average = FALSE;
+			else
+				use_average = TRUE;
+			break;
+		case 'v':
+			variable_number = atoi (optarg);
+			if (variable_number < 1 || variable_number > 2)
+				usage4 (_("Invalid variable number"));
+			break;
+		case 'w':									/* critical time threshold */
+			value_warning_threshold = strtoul (optarg, NULL, 10);
+			break;
+		case 'c':									/* warning time threshold */
+			value_critical_threshold = strtoul (optarg, NULL, 10);
+			break;
+		case 'l':									/* label */
+			label = optarg;
+			break;
+		case 'u':									/* timeout */
+			units = optarg;
+			break;
+		case 'V':									/* version */
+			print_revision (progname, NP_VERSION);
+			exit (STATE_UNKNOWN);
+		case 'h':									/* help */
+			print_help ();
+			exit (STATE_UNKNOWN);
+		case '?':									/* help */
+			usage5 ();
+		}
+	}
+
+	c = optind;
+	if (log_file == NULL && argc > c) {
+		log_file = argv[c++];
+	}
+
+	if (expire_minutes <= 0 && argc > c) {
+		if (is_intpos (argv[c]))
+			expire_minutes = atoi (argv[c++]);
+		else
+			die (STATE_UNKNOWN,
+			           _("%s is not a valid expiration time\nUse '%s -h' for additional help\n"),
+			           argv[c], progname);
+	}
+
+	if (argc > c && strcmp (argv[c], "MAX") == 0) {
+		use_average = FALSE;
+		c++;
+	}
+	else if (argc > c && strcmp (argv[c], "AVG") == 0) {
+		use_average = TRUE;
+		c++;
+	}
+
+	if (argc > c && variable_number == -1) {
+		variable_number = atoi (argv[c++]);
+		if (variable_number < 1 || variable_number > 2) {
+			printf ("%s :", argv[c]);
+			usage (_("Invalid variable number\n"));
+		}
+	}
+
+	if (argc > c && value_warning_threshold == 0) {
+		value_warning_threshold = strtoul (argv[c++], NULL, 10);
+	}
+
+	if (argc > c && value_critical_threshold == 0) {
+		value_critical_threshold = strtoul (argv[c++], NULL, 10);
+	}
+
+	if (argc > c && strlen (label) == 0) {
+		label = argv[c++];
+	}
+
+	if (argc > c && strlen (units) == 0) {
+		units = argv[c++];
+	}
+
+	return validate_arguments ();
+}
+
+int
+validate_arguments (void)
+{
+	if (variable_number == -1)
+		usage4 (_("You must supply the variable number"));
+
+	if (label == NULL)
+		label = strdup ("value");
+
+	if (units == NULL)
+		units = strdup ("");
+
+	return OK;
+}
+
+
+
+void
+print_help (void)
+{
+	print_revision (progname, NP_VERSION);
+
+	printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
+	printf (COPYRIGHT, copyright, email);
+
+	printf ("%s\n", _("This plugin will check either the average or maximum value of one of the"));
+  printf ("%s\n", _("two variables recorded in an MRTG log file."));
+
+  printf ("\n\n");
+
+	print_usage ();
+
+	printf (UT_HELP_VRSN);
+	printf (UT_EXTRA_OPTS);
+
+	printf (" %s\n", "-F, --logfile=FILE");
+  printf ("   %s\n", _("The MRTG log file containing the data you want to monitor"));
+  printf (" %s\n", "-e, --expires=MINUTES");
+  printf ("   %s\n", _("Minutes before MRTG data is considered to be too old"));
+  printf (" %s\n", "-a, --aggregation=AVG|MAX");
+  printf ("   %s\n", _("Should we check average or maximum values?"));
+  printf (" %s\n", "-v, --variable=INTEGER");
+  printf ("   %s\n", _("Which variable set should we inspect? (1 or 2)"));
+  printf (" %s\n", "-w, --warning=INTEGER");
+  printf ("   %s\n", _("Threshold value for data to result in WARNING status"));
+  printf (" %s\n", "-c, --critical=INTEGER");
+  printf ("   %s\n", _("Threshold value for data to result in CRITICAL status"));
+	printf (" %s\n", "-l, --label=STRING");
+  printf ("   %s\n", _("Type label for data (Examples: Conns, \"Processor Load\", In, Out)"));
+  printf (" %s\n", "-u, --units=STRING");
+  printf ("   %s\n", _("Option units label for data (Example: Packets/Sec, Errors/Sec,"));
+  printf ("   %s\n", _("\"Bytes Per Second\", \"%% Utilization\")"));
+
+  printf ("\n");
+	printf (" %s\n", _("If the value exceeds the <vwl> threshold, a WARNING status is returned. If"));
+  printf (" %s\n", _("the value exceeds the <vcl> threshold, a CRITICAL status is returned.  If"));
+  printf (" %s\n", _("the data in the log file is older than <expire_minutes> old, a WARNING"));
+  printf (" %s\n", _("status is returned and a warning message is printed."));
+
+  printf ("\n");
+	printf (" %s\n", _("This plugin is useful for monitoring MRTG data that does not correspond to"));
+  printf (" %s\n", _("bandwidth usage.  (Use the check_mrtgtraf plugin for monitoring bandwidth)."));
+  printf (" %s\n", _("It can be used to monitor any kind of data that MRTG is monitoring - errors,"));
+  printf (" %s\n", _("packets/sec, etc.  I use MRTG in conjunction with the Novell NLM that allows"));
+  printf (" %s\n", _("me to track processor utilization, user connections, drive space, etc and"));
+  printf (" %s\n\n", _("this plugin works well for monitoring that kind of data as well."));
+
+	printf ("%s\n", _("Notes:"));
+  printf (" %s\n", _("- This plugin only monitors one of the two variables stored in the MRTG log"));
+  printf ("   %s\n", _("file.  If you want to monitor both values you will have to define two"));
+  printf ("   %s\n", _("commands with different values for the <variable> argument.  Of course,"));
+  printf ("   %s\n", _("you can always hack the code to make this plugin work for you..."));
+  printf (" %s\n", _("- MRTG stands for the Multi Router Traffic Grapher.  It can be downloaded from"));
+  printf ("   %s\n", "http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/mrtg.html");
+
+	printf (UT_SUPPORT);
+}
+
+
+
+/* original command line:
+	 <log_file> <expire_minutes> <AVG|MAX> <variable> <vwl> <vcl> <label> [units] */
+
+void
+print_usage (void)
+{
+  printf ("%s\n", _("Usage:"));
+	printf ("%s -F log_file -a <AVG | MAX> -v variable -w warning -c critical\n",progname);
+  printf ("[-l label] [-u units] [-e expire_minutes] [-t timeout] [-v]\n");
+}