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182
ArduinoNagiosDisplay.pde
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182
ArduinoNagiosDisplay.pde
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/*
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* Arduino Nagios Display
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* Copyright Will Bradley, 2011
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* Licensed under Creative Commons Attribution-ShareAlike (CC BY-SA) license.
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* based on Arduino SimpleClient example
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* and shiftOutCode, Hello World example by Carlyn Maw, Tom Igoe, and David A. Mellis.
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* (no license information found in examples)
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*
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* This program connects to a matching script on your Nagios server
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* (it must return a string like $00001000200002100000 -- see included php script.)
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*
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* YOU'LL NEED TO MODIFY the Local IP, Subnet, SSID, Security Type,
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* Passphrase or WEP key, and the IP, port, hostname, and URL of Nagios.
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*
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* Pins 5,7,8: Latch, Clock, and Data pins for five daisy chained 595 Shift Registers
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* Pins 8, 9, 10, 11, 12, 13: Normal WiShield or Diamondback pins
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*
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* If you want to change this script to something besides an 8x5 LED matrix, look at the magic numbers of 5, 7, and 8 in the printData function below.
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*/
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//Pin connected to ST_CP of 74HC595
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int latchPin = 5;
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//Pin connected to SH_CP of 74HC595
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int clockPin = 7;
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////Pin connected to DS of 74HC595
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int dataPin = 6;
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#include <WiServer.h>
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#define WIRELESS_MODE_INFRA 1
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#define WIRELESS_MODE_ADHOC 2
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// Wireless configuration parameters ----------------------------------------
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unsigned char local_ip[] = {192,168,1,3}; // IP address of WiShield
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unsigned char gateway_ip[] = {192,168,1,1}; // router or gateway IP address
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unsigned char subnet_mask[] = {255,255,255,0}; // subnet mask for the local network
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const prog_char ssid[] PROGMEM = {"MyNetworkName"}; // max 32 bytes
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unsigned char security_type = 0; // 0 - open; 1 - WEP; 2 - WPA; 3 - WPA2 -- edit WEP or WPA pass/keys below accordingly
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// WPA/WPA2 passphrase
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const prog_char security_passphrase[] PROGMEM = {"myWPApassword"}; // max 64 characters
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// WEP 128-bit keys
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// sample HEX keys
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prog_uchar wep_keys[] PROGMEM = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, // Key 0
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Key 1
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Key 2
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // Key 3
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};
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// setup the wireless mode
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// infrastructure - connect to AP
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// adhoc - connect to another WiFi device
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unsigned char wireless_mode = WIRELESS_MODE_INFRA;
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unsigned char ssid_len;
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unsigned char security_passphrase_len;
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// IP Address for your Nagios server
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uint8 ip[] = {192,168,1,2};
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// Create request object; put Nagios' port, hostname, and URL path here. See the attached nag.php script.
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GETrequest getData(ip, 80, "my-nagios-server.com", "/nag.php?minimal=1");
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// End of configuration parameters ----------------------------------------
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void displayData(int numberToDisplay) {
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// take the latchPin low so
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// the LEDs don't change while you're sending in bits:
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digitalWrite(latchPin, LOW);
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// shift out the bits:
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shiftOut(dataPin, clockPin, MSBFIRST, numberToDisplay);
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//take the latch pin high so the LEDs will light up:
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digitalWrite(latchPin, HIGH);
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// pause before next value:
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delay(1);
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}
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// Function that prints data from the server
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void printData(char* data, int len) {
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String matrix;
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digitalWrite(latchPin, LOW); // start writing to LEDs
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// Print the data returned by the server
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// Note that the data is not null-terminated, may be broken up into smaller packets, and
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// includes the HTTP header.
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for(int i=0;i<len;i++) {
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if(data[i] == '$')
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{
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for(int rows=0;rows<5;rows++){
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int rowData = 0;
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for(int cols=0;cols<8;cols++){
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i++;
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char thisData = data[i];
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// a 0 in Nagios means the LED should be on
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if(thisData == '0') {
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// the absolute value of cols-7 is used so binary 10000000 shows up as 128 instead of 1 (left light on, not right)
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rowData += (1<<abs(cols-7));
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Serial.print((1<<abs(cols-7)));
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Serial.print("+");
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}
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if(thisData == '1') {
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// any other value means the LED should be off
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Serial.print("0");
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Serial.print("+");
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}
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if(thisData == '2') {
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Serial.print("0");
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Serial.print("+");
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}
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matrix += thisData;
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}
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shiftOut(dataPin, clockPin, MSBFIRST, rowData); // write to LEDs
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Serial.print("=");
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Serial.println(rowData);
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}
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Serial.println('*');
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Serial.println(matrix);
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digitalWrite(latchPin, HIGH); // stop writing to LEDs
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}
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}
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}
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void setup() {
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// Initialize WiServer (we'll pass NULL for the page serving function since we don't need to serve web pages)
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WiServer.init(NULL);
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// Enable Serial output and ask WiServer to generate log messages (optional)
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Serial.begin(57600);
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WiServer.enableVerboseMode(true);
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// Have the processData function called when data is returned by the server
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getData.setReturnFunc(printData);
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//set pins to output so you can control the shift register
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pinMode(latchPin, OUTPUT);
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pinMode(clockPin, OUTPUT);
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pinMode(dataPin, OUTPUT);
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// flash the display and clear everything upon startup
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displayData(0);
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displayData(0);
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displayData(0);
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displayData(0);
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displayData(0);
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delay(100);
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displayData(255);
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displayData(255);
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displayData(255);
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displayData(255);
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displayData(255);
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delay(100);
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displayData(0);
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displayData(0);
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displayData(0);
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displayData(0);
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displayData(0);
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}
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// Time (in millis) when the data should be retrieved
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long updateTime = 0;
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void loop(){
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// Check if it's time to get an update
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if (millis() >= updateTime) {
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getData.submit();
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// Get an update every 30 seconds
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updateTime += 1000 * 30;
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}
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// Run WiServer
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WiServer.server_task();
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delay(10);
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}
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418
nag.php
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418
nag.php
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<?php
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// nag.php by Will Bradley, www.zyphon.com/arduino-nagios
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// Script to parse Nagios status.dat and present it in simplified HTML.
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// usage: nag.php for human view, nag.php?minimal=1 for computer view.
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//
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// Based on statusXML.php by Jason Antman
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//
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// +----------------------------------------------------------------------+
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// | PHP EMS Tools http://www.php-ems-tools.com |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 2006, 2007 Jason Antman. |
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// | |
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation; either version 3 of the License, or |
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// | (at your option) any later version. |
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// | |
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// | This program is distributed in the hope that it will be useful, |
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// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// | GNU General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to: |
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// | |
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// | Free Software Foundation, Inc. |
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// | 59 Temple Place - Suite 330 |
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// | Boston, MA 02111-1307, USA. |
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// +----------------------------------------------------------------------+
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// | Authors: Jason Antman <jason@jasonantman.com> |
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// +----------------------------------------------------------------------+
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// $Id: nag.php,v 1.0 2011/12/11 03:76:14 wbradley Exp $
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// $Source: ArduinoNagiosDisplay/nag.php,v $
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// change the statusFile to the location of status.dat on your Nagios system
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$statusFile = "/var/cache/nagios3/status.dat";
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$nag_version = getFileVersion($statusFile); // returns integer 2 or 3
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$created_ts = 0;
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$debug = false;
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if($nag_version == 3)
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{
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$data = getData3($statusFile); // returns an array
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}
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else
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{
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$data = getData2($statusFile); // returns an array
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}
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$hosts = $data['hosts'];
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$services = $data['services'];
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$program = "";
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if(array_key_exists("program", $data))
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{
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$program = $data['program'];
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}
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echo outputHTML($hosts, $services, $program);
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function outputHTML($hosts, $services, $program)
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{
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if($_GET["minimal"] == "1") {
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$minimal = true;
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}
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$ret = "";
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// begin outputting XML
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//header("Content-type: text/xml");
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if($minimal){
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$ret .= "$";
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}
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else {
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$ret .= "<html>"."\n";
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$ret .= '<head><style type="text/css">body {font:15px arial,sans-serif; } dt { font-weight: bold; float: left; margin-right: 1em; }</style></head>'."\n";
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$ret .= "<body>"."\n";
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}
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// program status
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/*
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if($program != "")
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{
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$ret .= '<programStatus>'."\n";
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foreach($program as $key => $val)
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{
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$key = xmlname($key);
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$val = xmlstring($val);
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$ret .= ' <'.$key.'>'.$val.'</'.$key.'>'."\n";
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}
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$ret .= '</programStatus>'."\n";
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}
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*/
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// hosts
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foreach($hosts as $hostName => $hostArray)
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{
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if($minimal) {
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$ret .= $hostArray['current_state'];
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}
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else {
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$ret .= "<dt>".$hostArray['host_name']."</dt>";
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$ret .= "<dd>".$hostArray['current_state']."</dd>";
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}
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/*
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$current_state = $hostArray['current_state'];
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$ret .= ' <host>'."\n";
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foreach($hostArray as $key => $val)
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{
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$key = xmlname($key);
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$val = xmlstring($val);
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$ret .= ' <'.$key.'>'.$val.'</'.$key.'>'."\n";
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}
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$ret .= ' </host>'."\n";
|
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*/
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}
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// loop through the services
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foreach ($services as $hostName => $service)
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{
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foreach ($service as $serviceDesc => $serviceArray)
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{
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if($minimal) {
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$ret .= $serviceArray['current_state'];
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}
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else {
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$ret .= "<dt>".$serviceArray['host_name']." ".$serviceArray['service_description']."</dt>";
|
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$ret .= "<dd>".$serviceArray['current_state']."</dd>";
|
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}
|
||||
}
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}
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if(!$minimal){
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$ret .= "</body></html>";
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||||
}
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return $ret;
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}
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|
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// replace reserved characters in key for name
|
||||
function xmlname($s)
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||||
{
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$s = str_replace("<", "<", $s);
|
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$s = str_replace(">", ">", $s);
|
||||
$s = str_replace("&", "&", $s);
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||||
return $s;
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||||
}
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function xmlstring($s)
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||||
{
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||||
$s = str_replace("<", "<", $s);
|
||||
$s = str_replace(">", ">", $s);
|
||||
$s = str_replace("&", "&", $s);
|
||||
return $s;
|
||||
}
|
||||
|
||||
// figure out what version the file is
|
||||
function getFileVersion($statusFile)
|
||||
{
|
||||
global $created_ts;
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||||
$version = 2;
|
||||
|
||||
$fh = fopen($statusFile, 'r');
|
||||
$inInfo = false;
|
||||
while($line = fgets($fh))
|
||||
{
|
||||
if(trim($line) == "info {")
|
||||
{
|
||||
$inInfo = true;
|
||||
}
|
||||
elseif(trim($line) == "}")
|
||||
{
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||||
$inInfo = false;
|
||||
break;
|
||||
}
|
||||
|
||||
if($inInfo)
|
||||
{
|
||||
$vals = explode("=", $line);
|
||||
if(trim($vals[0]) == "created")
|
||||
{
|
||||
$created = $vals[1];
|
||||
}
|
||||
elseif(trim($vals[0]) == "version")
|
||||
{
|
||||
if(substr($vals[1], 0, 1) == "3")
|
||||
{
|
||||
$version = 3;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return $version;
|
||||
}
|
||||
|
||||
// parse nagios2 status.dat
|
||||
function getData2($statusFile)
|
||||
{
|
||||
// the keys to get from host status:
|
||||
$host_keys = array('host_name', 'has_been_checked', 'check_execution_time', 'check_latency', 'check_type', 'current_state', 'current_attempt', 'state_type', 'last_state_change', 'last_time_up', 'last_time_down', 'last_time_unreachable', 'last_notification', 'next_notification', 'no_more_notifications', 'current_notification_number', 'notifications_enabled', 'problem_has_been_acknowledged', 'acknowledgement_type', 'active_checks_enabled', 'passive_checks_enabled', 'last_update');
|
||||
|
||||
// keys to get from service status:
|
||||
$service_keys = array('host_name', 'service_description', 'has_been_checked', 'check_execution_time', 'check_latency', 'current_state', 'state_type', 'last_state_change', 'last_time_ok', 'last_time_warning', 'last_time_unknown', 'last_time_critical', 'plugin_output', 'last_check', 'notifications_enabled', 'active_checks_enabled', 'passive_checks_enabled', 'problem_has_been_acknowledged', 'acknowledgement_type', 'last_update', 'is_flapping');
|
||||
|
||||
# open the file
|
||||
$fh = fopen($statusFile, 'r');
|
||||
|
||||
# variables to keep state
|
||||
$inSection = false;
|
||||
$sectionType = "";
|
||||
$lineNum = 0;
|
||||
$sectionData = array();
|
||||
|
||||
$hostStatus = array();
|
||||
$serviceStatus = array();
|
||||
|
||||
#variables for total hosts and services
|
||||
$typeTotals = array();
|
||||
|
||||
# loop through the file
|
||||
while($line = fgets($fh))
|
||||
{
|
||||
$lineNum++; // increment counter of line number, mainly for debugging
|
||||
$line = trim($line); // strip whitespace
|
||||
if($line == ""){ continue;} // ignore blank line
|
||||
if(substr($line, 0, 1) == "#"){ continue;} // ignore comment
|
||||
|
||||
// ok, now we need to deal with the sections
|
||||
|
||||
if(! $inSection)
|
||||
{
|
||||
// we're not currently in a section, but are looking to start one
|
||||
if(strstr($line, " ") && (substr($line, -1) == "{")) // space and ending with {, so it's a section header
|
||||
{
|
||||
$sectionType = substr($line, 0, strpos($line, " ")); // first word on line is type
|
||||
$inSection = true;
|
||||
// we're now in a section
|
||||
$sectionData = array();
|
||||
|
||||
// increment the counter for this sectionType
|
||||
if(isset($typeTotals[$sectionType])){$typeTotals[$sectionType]=$typeTotals[$sectionType]+1;}else{$typeTotals[$sectionType]=1;}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if($inSection && $line == "}") // closing a section
|
||||
{
|
||||
if($sectionType == "service")
|
||||
{
|
||||
$serviceStatus[$sectionData['host_name']][$sectionData['service_description']] = $sectionData;
|
||||
}
|
||||
if($sectionType == "host")
|
||||
{
|
||||
$hostStatus[$sectionData["host_name"]] = $sectionData;
|
||||
}
|
||||
$inSection = false;
|
||||
$sectionType = "";
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{
|
||||
// we're currently in a section, and this line is part of it
|
||||
$lineKey = substr($line, 0, strpos($line, "="));
|
||||
$lineVal = substr($line, strpos($line, "=")+1);
|
||||
|
||||
// add to the array as appropriate
|
||||
if($sectionType == "service")
|
||||
{
|
||||
if(in_array($lineKey, $service_keys))
|
||||
{
|
||||
$sectionData[$lineKey] = $lineVal;
|
||||
}
|
||||
}
|
||||
elseif($sectionType == "host")
|
||||
{
|
||||
if(in_array($lineKey, $host_keys))
|
||||
{
|
||||
$sectionData[$lineKey] = $lineVal;
|
||||
}
|
||||
}
|
||||
// else continue on, ignore this section, don't save anything
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
fclose($fh);
|
||||
|
||||
$retArray = array("hosts" => $hostStatus, "services" => $serviceStatus);
|
||||
|
||||
return $retArray;
|
||||
}
|
||||
|
||||
// parse nagios3 status.dat
|
||||
function getData3($statusFile)
|
||||
{
|
||||
global $debug;
|
||||
// the keys to get from host status:
|
||||
$host_keys = array('host_name', 'modified_attributes', 'check_command', 'check_period', 'notification_period', 'check_interval', 'retry_interval', 'event_handler', 'has_been_checked', 'should_be_scheduled', 'check_execution_time', 'check_latency', 'check_type', 'current_state', 'last_hard_state', 'last_event_id', 'current_event_id', 'current_problem_id', 'last_problem_id', 'plugin_output', 'long_plugin_output', 'performance_data', 'last_check', 'next_check', 'check_options', 'current_attempt', 'max_attempts', 'state_type', 'last_state_change', 'last_hard_state_change', 'last_time_up', 'last_time_down', 'last_time_unreachable', 'last_notification', 'next_notification', 'no_more_notifications', 'current_notification_number', 'current_notification_id', 'notifications_enabled', 'problem_has_been_acknowledged', 'acknowledgement_type', 'active_checks_enabled', 'passive_checks_enabled', 'event_handler_enabled', 'flap_detection_enabled', 'failure_prediction_enabled', 'process_performance_data', 'obsess_over_host', 'last_update', 'is_flapping', 'percent_state_change', 'scheduled_downtime_depth');
|
||||
// keys to get from service status:
|
||||
$service_keys = array('host_name', 'service_description', 'modified_attributes', 'check_command', 'check_period', 'notification_period', 'check_interval', 'retry_interval', 'event_handler', 'has_been_checked', 'should_be_scheduled', 'check_execution_time', 'check_latency', 'check_type', 'current_state', 'last_hard_state', 'last_event_id', 'current_event_id', 'current_problem_id', 'last_problem_id', 'current_attempt', 'max_attempts', 'state_type', 'last_state_change', 'last_hard_state_change', 'last_time_ok', 'last_time_warning', 'last_time_unknown', 'last_time_critical', 'plugin_output', 'long_plugin_output', 'performance_data', 'last_check', 'next_check', 'check_options', 'current_notification_number', 'current_notification_id', 'last_notification', 'next_notification', 'no_more_notifications', 'notifications_enabled', 'active_checks_enabled', 'passive_checks_enabled', 'event_handler_enabled', 'problem_has_been_acknowledged', 'acknowledgement_type', 'flap_detection_enabled', 'failure_prediction_enabled', 'process_performance_data', 'obsess_over_service', 'last_update', 'is_flapping', 'percent_state_change', 'scheduled_downtime_depth');
|
||||
|
||||
# open the file
|
||||
$fh = fopen($statusFile, 'r');
|
||||
|
||||
# variables to keep state
|
||||
$inSection = false;
|
||||
$sectionType = "";
|
||||
$lineNum = 0;
|
||||
$sectionData = array();
|
||||
|
||||
$hostStatus = array();
|
||||
$serviceStatus = array();
|
||||
$programStatus = array();
|
||||
|
||||
#variables for total hosts and services
|
||||
$typeTotals = array();
|
||||
|
||||
# loop through the file
|
||||
while($line = fgets($fh))
|
||||
{
|
||||
$lineNum++; // increment counter of line number, mainly for debugging
|
||||
$line = trim($line); // strip whitespace
|
||||
if($line == ""){ continue;} // ignore blank line
|
||||
if(substr($line, 0, 1) == "#"){ continue;} // ignore comment
|
||||
|
||||
// ok, now we need to deal with the sections
|
||||
if(! $inSection)
|
||||
{
|
||||
// we're not currently in a section, but are looking to start one
|
||||
if(substr($line, strlen($line)-1, 1) == "{") // space and ending with {, so it's a section header
|
||||
{
|
||||
$sectionType = substr($line, 0, strpos($line, " ")); // first word on line is type
|
||||
$inSection = true;
|
||||
// we're now in a section
|
||||
$sectionData = array();
|
||||
|
||||
// increment the counter for this sectionType
|
||||
if(isset($typeTotals[$sectionType])){$typeTotals[$sectionType]=$typeTotals[$sectionType]+1;}else{$typeTotals[$sectionType]=1;}
|
||||
|
||||
}
|
||||
}
|
||||
elseif($inSection && trim($line) == "}") // closing a section
|
||||
{
|
||||
if($sectionType == "servicestatus")
|
||||
{
|
||||
$serviceStatus[$sectionData['host_name']][$sectionData['service_description']] = $sectionData;
|
||||
}
|
||||
elseif($sectionType == "hoststatus")
|
||||
{
|
||||
$hostStatus[$sectionData["host_name"]] = $sectionData;
|
||||
}
|
||||
elseif($sectionType == "programstatus")
|
||||
{
|
||||
$programStatus = $sectionData;
|
||||
}
|
||||
$inSection = false;
|
||||
$sectionType = "";
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{
|
||||
// we're currently in a section, and this line is part of it
|
||||
$lineKey = substr($line, 0, strpos($line, "="));
|
||||
$lineVal = substr($line, strpos($line, "=")+1);
|
||||
|
||||
// add to the array as appropriate
|
||||
if($sectionType == "servicestatus" || $sectionType == "hoststatus" || $sectionType == "programstatus")
|
||||
{
|
||||
if($debug){ echo "LINE ".$lineNum.": lineKey=".$lineKey."= lineVal=".$lineVal."=\n";}
|
||||
$sectionData[$lineKey] = $lineVal;
|
||||
}
|
||||
// else continue on, ignore this section, don't save anything
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
fclose($fh);
|
||||
|
||||
$retArray = array("hosts" => $hostStatus, "services" => $serviceStatus, "program" => $programStatus);
|
||||
return $retArray;
|
||||
}
|
||||
|
||||
|
||||
// this formats the age of a check in seconds into a nice textual description
|
||||
function ageString($seconds)
|
||||
{
|
||||
$age = "";
|
||||
if($seconds > 86400)
|
||||
{
|
||||
$days = (int)($seconds / 86400);
|
||||
$seconds = $seconds - ($days * 86400);
|
||||
$age .= $days." days ";
|
||||
}
|
||||
if($seconds > 3600)
|
||||
{
|
||||
$hours = (int)($seconds / 3600);
|
||||
$seconds = $seconds - ($hours * 3600);
|
||||
$age .= $hours." hours ";
|
||||
}
|
||||
if($seconds > 60)
|
||||
{
|
||||
$minutes = (int)($seconds / 60);
|
||||
$seconds = $seconds - ($minutes * 60);
|
||||
$age .= $minutes." minutes ";
|
||||
}
|
||||
$age .= $seconds." seconds ";
|
||||
return $age;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
// the keys to get from host status:
|
||||
$host_keys = array('host_name', 'has_been_checked', 'check_execution_time', 'check_latency', 'check_type', 'current_state', 'current_attempt', 'state_type', 'last_state_change', 'last_time_up', 'last_time_down', 'last_time_unreachable', 'last_notification', 'next_notification', 'no_more_notifications', 'current_notification_number', 'notifications_enabled', 'problem_has_been_acknowledged', 'acknowledgement_type', 'active_checks_enabled', 'passive_checks_enabled', 'last_update');
|
||||
|
||||
// keys to get from service status:
|
||||
$service_keys = array('host_name', 'service_description', 'has_been_checked', 'check_execution_time', 'check_latency', 'current_state', 'state_type', 'last_state_change', 'last_time_ok', 'last_time_warning', 'last_time_unknown', 'last_time_critical', 'plugin_output', 'last_check', 'notifications_enabled', 'active_checks_enabled', 'passive_checks_enabled', 'problem_has_been_acknowledged', 'acknowledgement_type', 'last_update', 'is_flapping');
|
||||
|
||||
*/
|
||||
|
||||
|
||||
?>
|
||||
Loading…
Reference in New Issue
Block a user