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Add check_memory, update check_swap, thresholds
Adds check_memory which works like check_swap which has been updated to work like check_memory Both sport a -u(nit) option with MB as default, like their linux versions. A possible bug with all plugins having the -u(nit) option when using -u kB has been fixed. Don't use icinga to monitor you commodore though. refs #8287 #8060
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| Original file line number | Diff line number | Diff line change |
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| /****************************************************************************** | ||
| * Icinga 2 * | ||
| * Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) * | ||
| * * | ||
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * | ||
| ******************************************************************************/ | ||
| #include <Shlwapi.h> | ||
| #include <iostream> | ||
| #include <WinBase.h> | ||
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| #include "thresholds.h" | ||
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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::endl; using std::wcout; using std::wstring; | ||
| using std::cout; | ||
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| static BOOL debug = FALSE; | ||
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| struct printInfoStruct | ||
| { | ||
| threshold warn, crit; | ||
| DWORD tRam, aRam; | ||
| Bunit unit = BunitMB; | ||
| }; | ||
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| static int parseArguments(int, wchar_t **, po::variables_map&, printInfoStruct&); | ||
| static int printOutput(printInfoStruct&); | ||
| static int check_memory(printInfoStruct&); | ||
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| int wmain(int argc, wchar_t **argv) | ||
| { | ||
| printInfoStruct printInfo = {}; | ||
| po::variables_map vm; | ||
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| int ret = parseArguments(argc, argv, vm, printInfo); | ||
| if (ret != -1) | ||
| return ret; | ||
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| ret = check_memory(printInfo); | ||
| if (ret != -1) | ||
| return ret; | ||
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| return printOutput(printInfo); | ||
| } | ||
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| int parseArguments(int ac, wchar_t ** av, po::variables_map& vm, printInfoStruct& printInfo) | ||
| { | ||
| wchar_t namePath[MAX_PATH]; | ||
| GetModuleFileName(NULL, namePath, MAX_PATH); | ||
| wchar_t *progName = PathFindFileName(namePath); | ||
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| po::options_description desc; | ||
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| desc.add_options() | ||
| ("help,h", "print help message and exit") | ||
| ("version,V", "print version and exit") | ||
| ("debug,d", "Verbose/Debug output") | ||
| ("warning,w", po::wvalue<wstring>(), "warning threshold") | ||
| ("critical,c", po::wvalue<wstring>(), "critical threshold") | ||
| ("unit,u", po::wvalue<wstring>(), "the unit to use for display (default MB)") | ||
| ; | ||
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| po::basic_command_line_parser<wchar_t> parser(ac, av); | ||
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| try { | ||
| po::store( | ||
| parser | ||
| .options(desc) | ||
| .style( | ||
| po::command_line_style::unix_style | | ||
| po::command_line_style::allow_long_disguise) | ||
| .run(), | ||
| vm); | ||
| vm.notify(); | ||
| } catch (std::exception& e) { | ||
| cout << e.what() << endl << desc << endl; | ||
| return 3; | ||
| } | ||
|
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| if (vm.count("help")) { | ||
| wcout << progName << " Help\n\tVersion: " << VERSION << endl; | ||
| wprintf( | ||
| L"%s is a simple program to check a machines physical memory.\n" | ||
| L"You can use the following options to define its behaviour:\n\n", progName); | ||
| cout << desc; | ||
| wprintf( | ||
| L"\nIt will then output a string looking something like this:\n\n" | ||
| L"\tMEMORY WARNING - 50%% free | memory=2024MB;3000;500;0;4096\n\n" | ||
| L"\"MEMORY\" being the type of the check, \"WARNING\" the returned status\n" | ||
| L"and \"50%%\" is the returned value.\n" | ||
| L"The performance data is found behind the \"|\", in order:\n" | ||
| L"returned value, warning threshold, critical threshold, minimal value and,\n" | ||
| L"if applicable, the maximal value. Performance data will only be displayed when\n" | ||
| L"you set at least one threshold\n\n" | ||
| L"%s' exit codes denote the following:\n" | ||
| L" 0\tOK,\n\tNo Thresholds were broken or the programs check part was not executed\n" | ||
| L" 1\tWARNING,\n\tThe warning, but not the critical threshold was broken\n" | ||
| L" 2\tCRITICAL,\n\tThe critical threshold was broken\n" | ||
| L" 3\tUNKNOWN, \n\tThe program experienced an internal or input error\n\n" | ||
| L"Threshold syntax:\n\n" | ||
| L"-w THRESHOLD\n" | ||
| L"warn if threshold is broken, which means VALUE > THRESHOLD\n" | ||
| L"(unless stated differently)\n\n" | ||
| L"-w !THRESHOLD\n" | ||
| L"inverts threshold check, VALUE < THRESHOLD (analogous to above)\n\n" | ||
| L"-w [THR1-THR2]\n" | ||
| L"warn is VALUE is inside the range spanned by THR1 and THR2\n\n" | ||
| L"-w ![THR1-THR2]\n" | ||
| L"warn if VALUE is outside the range spanned by THR1 and THR2\n\n" | ||
| L"-w THRESHOLD%%\n" | ||
| L"if the plugin accepts percentage based thresholds those will be used.\n" | ||
| L"Does nothing if the plugin does not accept percentages, or only uses\n" | ||
| L"percentage thresholds. Ranges can be used with \"%%\", but both range values need\n" | ||
| L"to end with a percentage sign.\n\n" | ||
| L"All of these options work with the critical threshold \"-c\" too.\n" | ||
| , progName); | ||
| cout << endl; | ||
| return 0; | ||
| } | ||
|
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| if (vm.count("version")) | ||
| wcout << L"Version: " << VERSION << endl; | ||
|
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| if (vm.count("warning")) { | ||
| try { | ||
| printInfo.warn = threshold(vm["warning"].as<wstring>()); | ||
| } catch (std::invalid_argument& e) { | ||
| cout << e.what() << endl; | ||
| return 3; | ||
| } | ||
| printInfo.warn.legal = !printInfo.warn.legal; | ||
| } | ||
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| if (vm.count("critical")) { | ||
| try { | ||
| printInfo.crit = threshold(vm["critical"].as<wstring>()); | ||
| } catch (std::invalid_argument& e) { | ||
| cout << e.what() << endl; | ||
| return 3; | ||
| } | ||
| printInfo.crit.legal = !printInfo.crit.legal; | ||
| } | ||
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| if (vm.count("debug")) | ||
| debug = TRUE; | ||
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| if (vm.count("unit")) { | ||
| try { | ||
| printInfo.unit = parseBUnit(vm["unit"].as<wstring>()); | ||
| } catch (std::invalid_argument& e) { | ||
| cout << e.what() << endl; | ||
| return 3; | ||
| } | ||
| } | ||
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| return -1; | ||
| } | ||
|
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| int printOutput(printInfoStruct& printInfo) | ||
| { | ||
| if (debug) | ||
| wcout << L"Constructing output string" << endl; | ||
|
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| state state = OK; | ||
| double fswap = ((double)printInfo.aRam / (double)printInfo.tRam) * 100.0; | ||
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| if (printInfo.warn.rend(printInfo.aRam, printInfo.tRam)) | ||
| state = WARNING; | ||
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| if (printInfo.crit.rend(printInfo.aRam, printInfo.tRam)) | ||
| state = CRITICAL; | ||
|
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| switch (state) { | ||
| case OK: | ||
| wcout << L"MEMORY OK - " << fswap << L"% free | memory=" << printInfo.aRam << BunitStr(printInfo.unit) << L";" | ||
| << printInfo.warn.pString(printInfo.tRam) << L";" << printInfo.crit.pString(printInfo.tRam) | ||
| << L";0;" << printInfo.tRam << endl; | ||
| break; | ||
| case WARNING: | ||
| wcout << L"MEMORY WARNING - " << fswap << L"% free | memory=" << printInfo.aRam << BunitStr(printInfo.unit) << L";" | ||
| << printInfo.warn.pString(printInfo.tRam) << L";" << printInfo.crit.pString(printInfo.tRam) | ||
| << L";0;" << printInfo.tRam << endl; | ||
| break; | ||
| case CRITICAL: | ||
| wcout << L"MEMORY CRITICAL - " << fswap << L"% free | memory=" << printInfo.aRam << BunitStr(printInfo.unit) << L";" | ||
| << printInfo.warn.pString(printInfo.tRam) << L";" << printInfo.crit.pString(printInfo.tRam) | ||
| << L";0;" << printInfo.tRam << endl; | ||
| break; | ||
| } | ||
|
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| return state; | ||
| } | ||
|
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| int check_memory(printInfoStruct& printInfo) | ||
| { | ||
| if (debug) | ||
| wcout << L"Accessing memory statistics via MemoryStatus" << endl; | ||
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| _MEMORYSTATUS *pMemBuf = new _MEMORYSTATUS; | ||
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| GlobalMemoryStatus(pMemBuf); | ||
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| printInfo.tRam = round(pMemBuf->dwTotalPhys / pow(1024.0, printInfo.unit)); | ||
| printInfo.aRam = round(pMemBuf->dwAvailPhys / pow(1024.0, printInfo.unit)); | ||
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| if (debug) | ||
| wcout << L"Found pMemBuf->dwTotalPhys: " << pMemBuf->dwTotalPhys << endl | ||
| << L"Found pMemBuf->dwAvailPhys: " << pMemBuf->dwAvailPhys << endl; | ||
|
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| delete pMemBuf; | ||
|
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| return -1; | ||
| } |
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