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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
commit | 0915b3ef56dfac3113cce55a59a5765dc94976be (patch) | |
tree | a8fea11d50b4f083e1bf0f90025ece7f0824784a /plugins/check_uptime.cpp | |
parent | Initial commit. (diff) | |
download | icinga2-upstream.tar.xz icinga2-upstream.zip |
Adding upstream version 2.13.6.upstream/2.13.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plugins/check_uptime.cpp')
-rw-r--r-- | plugins/check_uptime.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/plugins/check_uptime.cpp b/plugins/check_uptime.cpp new file mode 100644 index 0000000..93d540a --- /dev/null +++ b/plugins/check_uptime.cpp @@ -0,0 +1,213 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#include "plugins/thresholds.hpp" +#include <boost/program_options.hpp> +#include <boost/chrono.hpp> +#include <iostream> +#include <windows.h> +#include <shlwapi.h> + +#define VERSION 1.0 + +namespace po = boost::program_options; + +struct printInfoStruct +{ + threshold warn; + threshold crit; + long long time; + long long timeInSeconds; + Tunit unit; +}; + +static bool l_Debug; + +static int parseArguments(int ac, WCHAR **av, po::variables_map& vm, printInfoStruct& printInfo) +{ + WCHAR namePath[MAX_PATH]; + GetModuleFileName(NULL, namePath, MAX_PATH); + WCHAR *progName = PathFindFileName(namePath); + + po::options_description desc; + + 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<std::wstring>(), "Warning threshold (Uses -unit)") + ("critical,c", po::wvalue<std::wstring>(), "Critical threshold (Uses -unit)") + ("unit,u", po::wvalue<std::wstring>(), "Unit to use:\nh\t- hours\nm\t- minutes\ns\t- seconds (default)\nms\t- milliseconds") + ; + + po::wcommand_line_parser parser(ac, av); + + 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 (const std::exception& e) { + std::cout << e.what() << '\n' << desc << '\n'; + return 3; + } + + if (vm.count("help")) { + std::wcout << progName << " Help\n\tVersion: " << VERSION << '\n'; + wprintf( + L"%s is a simple program to check a machines uptime.\n" + L"You can use the following options to define its behaviour:\n\n", progName); + std::cout << desc; + wprintf( + L"\nIt will then output a string looking something like this:\n\n" + L"\tUPTIME WARNING 712h | uptime=712h;700;1800;0\n\n" + L"\"UPTIME\" being the type of the check, \"WARNING\" the returned status\n" + L"and \"712h\" 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"Note that the returned time ins always rounded down,\n" + L"4 hours and 44 minutes will show as 4h.\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); + std::cout << '\n'; + return 0; + } + + if (vm.count("version")) { + std::cout << VERSION << '\n'; + return 0; + } + + if (vm.count("warning")) { + try { + printInfo.warn = threshold(vm["warning"].as<std::wstring>()); + } catch (const std::invalid_argument& e) { + std::cout << e.what() << '\n'; + return 3; + } + } + if (vm.count("critical")) { + try { + printInfo.crit = threshold(vm["critical"].as<std::wstring>()); + } catch (const std::invalid_argument& e) { + std::cout << e.what() << '\n'; + return 3; + } + } + + if (vm.count("unit")) { + try { + printInfo.unit = parseTUnit(vm["unit"].as<std::wstring>()); + } catch (const std::invalid_argument&) { + std::wcout << L"Unknown unit type " << vm["unit"].as<std::wstring>() << '\n'; + return 3; + } + } else + printInfo.unit = TunitS; + + l_Debug = vm.count("debug") > 0; + + return -1; +} + +static int printOutput(printInfoStruct& printInfo) +{ + if (l_Debug) + std::wcout << L"Constructing output string" << '\n'; + + state state = OK; + + if (printInfo.warn.rend((double) printInfo.time)) + state = WARNING; + if (printInfo.crit.rend((double) printInfo.time)) + state = CRITICAL; + + switch (state) { + case OK: + std::wcout << L"UPTIME OK " << printInfo.time << TunitStr(printInfo.unit) << L" | 'uptime'=" << printInfo.timeInSeconds + << "s" << L";" << printInfo.warn.toSeconds(printInfo.unit).pString() << L";" + << printInfo.crit.toSeconds(printInfo.unit).pString() << L";0;" << '\n'; + break; + case WARNING: + std::wcout << L"UPTIME WARNING " << printInfo.time << TunitStr(printInfo.unit) << L" | 'uptime'=" << printInfo.timeInSeconds + << "s" << L";" << printInfo.warn.toSeconds(printInfo.unit).pString() << L";" + << printInfo.crit.toSeconds(printInfo.unit).pString() << L";0;" << '\n'; + break; + case CRITICAL: + std::wcout << L"UPTIME CRITICAL " << printInfo.time << TunitStr(printInfo.unit) << L" | 'uptime'=" << printInfo.timeInSeconds + << "s" << L";" << printInfo.warn.toSeconds(printInfo.unit).pString() << L";" + << printInfo.crit.toSeconds(printInfo.unit).pString() << L";0;" << '\n'; + break; + } + + return state; +} + +static void getUptime(printInfoStruct& printInfo) +{ + if (l_Debug) + std::wcout << L"Getting uptime in milliseconds" << '\n'; + + boost::chrono::milliseconds uptime = boost::chrono::milliseconds(GetTickCount64()); + + if (l_Debug) + std::wcout << L"Converting requested unit (default: seconds)" << '\n'; + + switch (printInfo.unit) { + case TunitH: + printInfo.time = boost::chrono::duration_cast<boost::chrono::hours>(uptime).count(); + break; + case TunitM: + printInfo.time = boost::chrono::duration_cast<boost::chrono::minutes>(uptime).count(); + break; + case TunitS: + printInfo.time = boost::chrono::duration_cast<boost::chrono::seconds>(uptime).count(); + break; + case TunitMS: + printInfo.time = uptime.count(); + break; + } + + // For the Performance Data we need the time in seconds + printInfo.timeInSeconds = boost::chrono::duration_cast<boost::chrono::seconds>(uptime).count(); +} + +int wmain(int argc, WCHAR **argv) +{ + po::variables_map vm; + printInfoStruct printInfo; + int ret = parseArguments(argc, argv, vm, printInfo); + + if (ret != -1) + return ret; + + getUptime(printInfo); + + return printOutput(printInfo); +} |