mirror of https://github.com/Icinga/icinga2.git
235 lines
7.7 KiB
C++
235 lines
7.7 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (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 the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include <Windows.h>
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#include <Shlwapi.h>
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#include <iostream>
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#include "thresholds.h"
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#include "boost/chrono.hpp"
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#include "boost/program_options.hpp"
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#define VERSION 1.0
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namespace po = boost::program_options;
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using std::cout; using std::endl;
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using std::wcout; using std::wstring;
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static BOOL debug;
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struct printInfoStruct
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{
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threshold warn, crit;
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long long time;
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Tunit unit;
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};
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static int parseArguments(int, wchar_t **, po::variables_map&, printInfoStruct&);
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static int printOutput(printInfoStruct&);
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static void getUptime(printInfoStruct&);
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int wmain(int argc, wchar_t **argv)
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{
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po::variables_map vm;
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printInfoStruct printInfo = { };
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int ret = parseArguments(argc, argv, vm, printInfo);
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if (ret != -1)
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return ret;
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getUptime(printInfo);
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return printOutput(printInfo);
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}
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int parseArguments(int ac, wchar_t **av, po::variables_map& vm, printInfoStruct& printInfo)
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{
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wchar_t namePath[MAX_PATH];
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GetModuleFileName(NULL, namePath, MAX_PATH);
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wchar_t *progName = PathFindFileName(namePath);
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po::options_description desc;
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desc.add_options()
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("help,h", "print help message and exit")
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("version,V", "print version and exit")
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("warning,w", po::wvalue<wstring>(), "warning threshold (Uses -unit)")
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("debug,d", "Verbose/Debug output")
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("critical,c", po::wvalue<wstring>(), "critical threshold (Uses -unit)")
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("unit,u", po::wvalue<wstring>(), "desired unit of output\nh\t- hours\nm\t- minutes\ns\t- seconds (default)\nms\t- milliseconds")
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;
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po::basic_command_line_parser<wchar_t> parser(ac, av);
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try {
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po::store(
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parser
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.options(desc)
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.style(
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po::command_line_style::unix_style |
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po::command_line_style::allow_long_disguise)
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.run(),
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vm);
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vm.notify();
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} catch (std::exception& e) {
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cout << e.what() << endl << desc << endl;
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return 3;
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}
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if (vm.count("help")) {
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wcout << progName << " Help\n\tVersion: " << VERSION << endl;
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wprintf(
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L"%s is a simple program to check a machines uptime.\n"
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L"You can use the following options to define its behaviour:\n\n", progName);
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cout << desc;
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wprintf(
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L"\nIt will then output a string looking something like this:\n\n"
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L"\tUPTIME WARNING 712h|uptime=712h;700;1800;0\n\n"
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L"\"UPTIME\" being the type of the check, \"WARNING\" the returned status\n"
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L"and \"712h\" is the returned value.\n"
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L"The performance data is found behind the \"|\", in order:\n"
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L"returned value, warning threshold, critical threshold, minimal value and,\n"
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L"if applicable, the maximal value. Performance data will only be displayed when\n"
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L"you set at least one threshold\n\n"
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L"Note that the returned time ins always rounded down,\n"
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L"4 hours and 44 minutes will show as 4h.\n\n"
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L"%s' exit codes denote the following:\n"
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L" 0\tOK,\n\tNo Thresholds were broken or the programs check part was not executed\n"
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L" 1\tWARNING,\n\tThe warning, but not the critical threshold was broken\n"
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L" 2\tCRITICAL,\n\tThe critical threshold was broken\n"
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L" 3\tUNKNOWN, \n\tThe program experienced an internal or input error\n\n"
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L"Threshold syntax:\n\n"
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L"-w THRESHOLD\n"
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L"warn if threshold is broken, which means VALUE > THRESHOLD\n"
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L"(unless stated differently)\n\n"
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L"-w !THRESHOLD\n"
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L"inverts threshold check, VALUE < THRESHOLD (analogous to above)\n\n"
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L"-w [THR1-THR2]\n"
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L"warn is VALUE is inside the range spanned by THR1 and THR2\n\n"
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L"-w ![THR1-THR2]\n"
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L"warn if VALUE is outside the range spanned by THR1 and THR2\n\n"
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L"-w THRESHOLD%%\n"
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L"if the plugin accepts percentage based thresholds those will be used.\n"
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L"Does nothing if the plugin does not accept percentages, or only uses\n"
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L"percentage thresholds. Ranges can be used with \"%%\", but both range values need\n"
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L"to end with a percentage sign.\n\n"
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L"All of these options work with the critical threshold \"-c\" too.\n"
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, progName);
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cout << endl;
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return 0;
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}
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if (vm.count("version")) {
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cout << VERSION << endl;
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return 0;
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}
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if (vm.count("warning")) {
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try {
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printInfo.warn = threshold(vm["warning"].as<wstring>());
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} catch (std::invalid_argument& e) {
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cout << e.what() << endl;
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return 3;
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}
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}
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if (vm.count("critical")) {
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try {
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printInfo.crit = threshold(vm["critical"].as<wstring>());
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} catch (std::invalid_argument& e) {
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cout << e.what() << endl;
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return 3;
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}
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}
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if (vm.count("unit")) {
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try{
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printInfo.unit = parseTUnit(vm["unit"].as<wstring>());
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} catch (std::invalid_argument) {
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wcout << L"Unknown unit type " << vm["unit"].as<wstring>() << endl;
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return 3;
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}
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} else
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printInfo.unit = TunitS;
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if (vm.count("debug"))
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debug = TRUE;
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return -1;
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}
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static int printOutput(printInfoStruct& printInfo)
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{
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if (debug)
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wcout << L"Constructing output string" << endl;
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state state = OK;
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if (printInfo.warn.rend(printInfo.time))
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state = WARNING;
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if (printInfo.crit.rend(printInfo.time))
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state = CRITICAL;
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switch (state) {
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case OK:
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wcout << L"UPTIME OK " << printInfo.time << TunitStr(printInfo.unit) << L" | uptime=" << printInfo.time
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<< TunitStr(printInfo.unit) << L";" << printInfo.warn.pString() << L";"
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<< printInfo.crit.pString() << L";0;" << endl;
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break;
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case WARNING:
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wcout << L"UPTIME WARNING " << printInfo.time << TunitStr(printInfo.unit) << L" | uptime=" << printInfo.time
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<< TunitStr(printInfo.unit) << L";" << printInfo.warn.pString() << L";"
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<< printInfo.crit.pString() << L";0;" << endl;
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break;
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case CRITICAL:
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wcout << L"UPTIME CRITICAL " << printInfo.time << TunitStr(printInfo.unit) << L" | uptime=" << printInfo.time
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<< TunitStr(printInfo.unit) << L";" << printInfo.warn.pString() << L";"
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<< printInfo.crit.pString() << L";0;" << endl;
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break;
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}
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return state;
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}
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void getUptime(printInfoStruct& printInfo)
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{
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if (debug)
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wcout << L"Getting uptime in milliseconds" << endl;
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boost::chrono::milliseconds uptime = boost::chrono::milliseconds(GetTickCount64());
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if (debug)
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wcout << L"Converting requested unit (default: seconds)" << endl;
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switch (printInfo.unit) {
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case TunitH:
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printInfo.time = boost::chrono::duration_cast<boost::chrono::hours>(uptime).count();
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break;
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case TunitM:
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printInfo.time = boost::chrono::duration_cast<boost::chrono::minutes>(uptime).count();
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break;
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case TunitS:
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printInfo.time = boost::chrono::duration_cast<boost::chrono::seconds>(uptime).count();
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break;
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case TunitMS:
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printInfo.time = uptime.count();
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break;
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}
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} |