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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:34:54 +0000
commit0915b3ef56dfac3113cce55a59a5765dc94976be (patch)
treea8fea11d50b4f083e1bf0f90025ece7f0824784a /plugins/check_network.cpp
parentInitial commit. (diff)
downloadicinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.tar.xz
icinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.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_network.cpp')
-rw-r--r--plugins/check_network.cpp374
1 files changed, 374 insertions, 0 deletions
diff --git a/plugins/check_network.cpp b/plugins/check_network.cpp
new file mode 100644
index 0000000..e21607a
--- /dev/null
+++ b/plugins/check_network.cpp
@@ -0,0 +1,374 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#define WIN32_LEAN_AND_MEAN
+
+#include "plugins/thresholds.hpp"
+#include <boost/program_options.hpp>
+#include <boost/algorithm/string/replace.hpp>
+#include <vector>
+#include <map>
+#include <windows.h>
+#include <pdh.h>
+#include <shlwapi.h>
+#include <iostream>
+#include <pdhmsg.h>
+#include <winsock2.h>
+#include <iphlpapi.h>
+
+#define VERSION 1.2
+
+namespace po = boost::program_options;
+
+struct nInterface
+{
+ std::wstring name;
+ LONG BytesInSec, BytesOutSec;
+ nInterface(std::wstring p)
+ : name(p)
+ { }
+};
+
+struct printInfoStruct
+{
+ threshold warn;
+ threshold crit;
+};
+
+static bool l_Debug;
+static bool l_NoISATAP;
+
+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("Options");
+
+ desc.add_options()
+ ("help,h", "print usage and exit")
+ ("version,V", "print version and exit")
+ ("debug,d", "Verbose/Debug output")
+ ("noisatap,n", "Don't show ISATAP interfaces in output")
+ ("warning,w", po::wvalue<std::wstring>(), "warning value")
+ ("critical,c", po::wvalue<std::wstring>(), "critical value")
+ ;
+
+ 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 network performance.\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"\tNETWORK WARNING 1131B/s | network=1131B;1000;7000;0\n\n"
+ L"\"NETWORK\" being the type of the check, \"WARNING\" the returned status\n"
+ L"and \"1131B/s\" 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"This program will also print out additional performance data interface\n"
+ L"by interface\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"All of these options work with the critical threshold \"-c\" too."
+ , progName);
+ std::cout << '\n';
+ return 0;
+ }
+
+ if (vm.count("version"))
+ std::cout << "Version: " << VERSION << '\n';
+
+ 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;
+ }
+ }
+
+ l_Debug = vm.count("debug") > 0;
+ l_NoISATAP = vm.count("noisatap") > 0;
+
+ return -1;
+}
+
+static int printOutput(printInfoStruct& printInfo, const std::vector<nInterface>& vInterfaces, const std::map<std::wstring, std::wstring>& mapNames)
+{
+ if (l_Debug)
+ std::wcout << L"Constructing output string" << '\n';
+
+ long tIn = 0, tOut = 0;
+ std::wstringstream tss;
+ state state = OK;
+
+ std::map<std::wstring, std::wstring>::const_iterator mapIt;
+ std::wstring wsFriendlyName;
+
+ for (std::vector<nInterface>::const_iterator it = vInterfaces.begin(); it != vInterfaces.end(); ++it) {
+ tIn += it->BytesInSec;
+ tOut += it->BytesOutSec;
+ if (l_Debug)
+ std::wcout << "Getting friendly name of " << it->name << '\n';
+ mapIt = mapNames.find(it->name);
+ if (mapIt != mapNames.end()) {
+ if (l_Debug)
+ std::wcout << "\tIs " << mapIt->second << '\n';
+ wsFriendlyName = mapIt->second;
+ } else {
+ if (l_Debug)
+ std::wcout << "\tNo friendly name found, using adapter name\n";
+ wsFriendlyName = it->name;
+ }
+ if (wsFriendlyName.find(L"isatap") != std::wstring::npos && l_NoISATAP) {
+ if (l_Debug)
+ std::wcout << "\tSkipping isatap interface " << wsFriendlyName << "\n";
+ continue;
+ } else {
+ boost::algorithm::replace_all(wsFriendlyName, "'", "''");
+ tss << L"'" << wsFriendlyName << L"_in'=" << it->BytesInSec << L"B '" << wsFriendlyName << L"_out'=" << it->BytesOutSec << L"B ";
+ }
+ }
+
+ if (printInfo.warn.rend(tIn + tOut))
+ state = WARNING;
+ if (printInfo.crit.rend(tIn + tOut))
+ state = CRITICAL;
+
+ std::wcout << "NETWORK ";
+
+ switch (state) {
+ case OK:
+ std::wcout << L"OK";
+ break;
+ case WARNING:
+ std::wcout << L"WARNING";
+ break;
+ case CRITICAL:
+ std::wcout << L"CRITICAL";
+ break;
+ }
+
+ std::wcout << " " << tIn + tOut << L"B/s | "
+ << L"'network'=" << tIn + tOut << L"B;" << printInfo.warn.pString() << L";" << printInfo.crit.pString() << L";" << L"0; "
+ << L"'network_in'=" << tIn << L"B 'network_out'=" << tOut << L"B "
+ << tss.str() << '\n';
+
+ return state;
+}
+
+static int check_network(std::vector<nInterface>& vInterfaces)
+{
+
+ if (l_Debug)
+ std::wcout << L"Creating Query and adding counters" << '\n';
+
+ PDH_FMT_COUNTERVALUE_ITEM *pDisplayValuesIn = NULL, *pDisplayValuesOut = NULL;
+
+ PDH_HQUERY phQuery;
+ PDH_STATUS err = PdhOpenQuery(NULL, NULL, &phQuery);
+ if (!SUCCEEDED(err))
+ goto die;
+
+ const WCHAR *perfIn = L"\\Network Interface(*)\\Bytes Received/sec";
+ PDH_HCOUNTER phCounterIn;
+ err = PdhAddEnglishCounter(phQuery, perfIn, NULL, &phCounterIn);
+ if (!SUCCEEDED(err))
+ goto die;
+
+ const WCHAR *perfOut = L"\\Network Interface(*)\\Bytes Sent/sec";
+ PDH_HCOUNTER phCounterOut;
+ err = PdhAddEnglishCounter(phQuery, perfOut, NULL, &phCounterOut);
+ if (!SUCCEEDED(err))
+ goto die;
+
+ if (l_Debug)
+ std::wcout << L"Collecting first batch of query data" << '\n';
+
+ err = PdhCollectQueryData(phQuery);
+ if (!SUCCEEDED(err))
+ goto die;
+
+ if (l_Debug)
+ std::wcout << L"Sleep for one second" << '\n';
+
+ Sleep(1000);
+
+ if (l_Debug)
+ std::wcout << L"Collecting second batch of query data" << '\n';
+
+ err = PdhCollectQueryData(phQuery);
+ if (!SUCCEEDED(err))
+ goto die;
+
+ if (l_Debug)
+ std::wcout << L"Creating formatted counter arrays" << '\n';
+
+ DWORD dwItemCount;
+ DWORD dwBufferSizeIn = 0;
+ err = PdhGetFormattedCounterArray(phCounterIn, PDH_FMT_LONG, &dwBufferSizeIn, &dwItemCount, pDisplayValuesIn);
+ if (err == PDH_MORE_DATA || SUCCEEDED(err))
+ pDisplayValuesIn = reinterpret_cast<PDH_FMT_COUNTERVALUE_ITEM*>(new BYTE[dwItemCount*dwBufferSizeIn]);
+ else
+ goto die;
+
+ DWORD dwBufferSizeOut = 0;
+ err = PdhGetFormattedCounterArray(phCounterOut, PDH_FMT_LONG, &dwBufferSizeOut, &dwItemCount, pDisplayValuesOut);
+ if (err == PDH_MORE_DATA || SUCCEEDED(err))
+ pDisplayValuesOut = reinterpret_cast<PDH_FMT_COUNTERVALUE_ITEM*>(new BYTE[dwItemCount*dwBufferSizeIn]);
+ else
+ goto die;
+
+ err = PdhGetFormattedCounterArray(phCounterIn, PDH_FMT_LONG, &dwBufferSizeIn, &dwItemCount, pDisplayValuesIn);
+ if (!SUCCEEDED(err))
+ goto die;
+
+ err = PdhGetFormattedCounterArray(phCounterOut, PDH_FMT_LONG, &dwBufferSizeOut, &dwItemCount, pDisplayValuesOut);
+ if (!SUCCEEDED(err))
+ goto die;
+
+ if (l_Debug)
+ std::wcout << L"Going over counter array" << '\n';
+
+ for (DWORD i = 0; i < dwItemCount; i++) {
+ nInterface iface{pDisplayValuesIn[i].szName};
+ iface.BytesInSec = pDisplayValuesIn[i].FmtValue.longValue;
+ iface.BytesOutSec = pDisplayValuesOut[i].FmtValue.longValue;
+ vInterfaces.push_back(iface);
+
+ if (l_Debug)
+ std::wcout << L"Collected interface " << pDisplayValuesIn[i].szName << '\n';
+ }
+
+ if (l_Debug)
+ std::wcout << L"Finished collection. Cleaning up and returning" << '\n';
+
+ if (phQuery)
+ PdhCloseQuery(phQuery);
+
+ delete reinterpret_cast<BYTE *>(pDisplayValuesIn);
+ delete reinterpret_cast<BYTE *>(pDisplayValuesOut);
+
+ return -1;
+die:
+ printErrorInfo(err);
+ if (phQuery)
+ PdhCloseQuery(phQuery);
+
+ delete reinterpret_cast<BYTE *>(pDisplayValuesIn);
+ delete reinterpret_cast<BYTE *>(pDisplayValuesOut);
+
+ return 3;
+}
+
+static bool mapSystemNamesToFamiliarNames(std::map<std::wstring, std::wstring>& mapNames)
+{
+ /*
+ PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
+ PIP_ADAPTER_ANYCAST_ADDRESS pAnycast = NULL;
+ PIP_ADAPTER_MULTICAST_ADDRESS pMulticast = NULL;
+ PIP_ADAPTER_DNS_SERVER_ADDRESS pDnsServer = NULL;
+ PIP_ADAPTER_PREFIX pPrefix = NULL;
+ */
+ ULONG outBufLen = 15000; //15KB as suggestet by msdn of GetAdaptersAddresses
+
+ if (l_Debug)
+ std::wcout << "Mapping adapter system names to friendly names\n";
+
+ PIP_ADAPTER_ADDRESSES pAddresses;
+
+ unsigned int Iterations = 0;
+ DWORD dwRetVal = 0;
+
+ do {
+ pAddresses = reinterpret_cast<PIP_ADAPTER_ADDRESSES>(new BYTE[outBufLen]);
+
+ dwRetVal = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, NULL, pAddresses, &outBufLen);
+
+ if (dwRetVal == ERROR_BUFFER_OVERFLOW) {
+ delete[]pAddresses;
+ pAddresses = NULL;
+ } else
+ break;
+ } while (++Iterations < 3);
+
+ if (dwRetVal != NO_ERROR) {
+ std::wcout << "Failed to collect friendly adapter names\n";
+ delete[]pAddresses;
+ return false;
+ }
+
+ for (PIP_ADAPTER_ADDRESSES pCurrAddresses = pAddresses; pCurrAddresses; pCurrAddresses = pCurrAddresses->Next) {
+ if (l_Debug)
+ std::wcout << "Got: " << pCurrAddresses->Description << " -- " << pCurrAddresses->FriendlyName << '\n';
+
+ mapNames[pCurrAddresses->Description] = pCurrAddresses->FriendlyName;
+ }
+
+ delete[]pAddresses;
+ return true;
+}
+
+int wmain(int argc, WCHAR **argv)
+{
+ std::vector<nInterface> vInterfaces;
+ std::map<std::wstring, std::wstring> mapNames;
+ printInfoStruct printInfo;
+ po::variables_map vm;
+
+ int ret = parseArguments(argc, argv, vm, printInfo);
+
+ if (ret != -1)
+ return ret;
+
+ if (!mapSystemNamesToFamiliarNames(mapNames))
+ return 3;
+
+ ret = check_network(vInterfaces);
+ if (ret != -1)
+ return ret;
+
+ return printOutput(printInfo, vInterfaces, mapNames);
+}