summaryrefslogtreecommitdiffstats
path: root/plugins/thresholds.cpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--plugins/thresholds.cpp276
1 files changed, 276 insertions, 0 deletions
diff --git a/plugins/thresholds.cpp b/plugins/thresholds.cpp
new file mode 100644
index 0000000..bdd67ee
--- /dev/null
+++ b/plugins/thresholds.cpp
@@ -0,0 +1,276 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "plugins/thresholds.hpp"
+#include <boost/algorithm/string.hpp>
+#include <boost/lexical_cast.hpp>
+#include <iostream>
+
+using namespace boost::algorithm;
+
+threshold::threshold()
+ : set(false)
+{}
+
+threshold::threshold(const double v, const double c, bool l , bool p ) {
+ lower = v;
+ upper = c;
+ legal = l;
+ perc = p;
+}
+
+threshold::threshold(const std::wstring& stri)
+{
+ if (stri.empty())
+ throw std::invalid_argument("Threshold must not be empty");
+
+ std::wstring str = stri;
+
+ //kill whitespace
+ boost::algorithm::trim(str);
+
+ bool low = (str.at(0) == L'!');
+ if (low)
+ str = std::wstring(str.begin() + 1, str.end());
+
+ bool pc = false;
+
+ if (str.at(0) == L'[' && str.at(str.length() - 1) == L']') {//is range
+ str = std::wstring(str.begin() + 1, str.end() - 1);
+ std::vector<std::wstring> svec;
+ boost::split(svec, str, boost::is_any_of(L"-"));
+ if (svec.size() != 2)
+ throw std::invalid_argument("Threshold range requires two arguments");
+ std::wstring str1 = svec.at(0), str2 = svec.at(1);
+
+ if (str1.at(str1.length() - 1) == L'%' && str2.at(str2.length() - 1) == L'%') {
+ pc = true;
+ str1 = std::wstring(str1.begin(), str1.end() - 1);
+ str2 = std::wstring(str2.begin(), str2.end() - 1);
+ }
+
+ try {
+ boost::algorithm::trim(str1);
+ lower = boost::lexical_cast<DOUBLE>(str1);
+ boost::algorithm::trim(str2);
+ upper = boost::lexical_cast<DOUBLE>(str2);
+ legal = !low; perc = pc; set = true;
+ } catch (const boost::bad_lexical_cast&) {
+ throw std::invalid_argument("Unknown Threshold type");
+ }
+ } else { //not range
+ if (str.at(str.length() - 1) == L'%') {
+ pc = true;
+ str = std::wstring(str.begin(), str.end() - 1);
+ }
+ try {
+ boost::algorithm::trim(str);
+ lower = upper = boost::lexical_cast<DOUBLE>(str);
+ legal = !low; perc = pc; set = true;
+ } catch (const boost::bad_lexical_cast&) {
+ throw std::invalid_argument("Unknown Threshold type");
+ }
+ }
+}
+
+//return TRUE if the threshold is broken
+bool threshold::rend(const double val, const double max)
+{
+ double upperAbs = upper;
+ double lowerAbs = lower;
+
+ if (perc) {
+ upperAbs = upper / 100.0 * max;
+ lowerAbs = lower / 100.0 * max;
+ }
+
+ if (!set)
+ return set;
+ if (lowerAbs == upperAbs)
+ return val > upperAbs == legal;
+ else
+ return (val < lowerAbs || upperAbs < val) != legal;
+}
+
+//returns a printable string of the threshold
+std::wstring threshold::pString(const double max)
+{
+ if (!set)
+ return L"";
+ //transform percentages to abolute values
+ double lowerAbs = lower;
+ double upperAbs = upper;
+ if (perc) {
+ lowerAbs = lower / 100.0 * max;
+ upperAbs = upper / 100.0 * max;
+ }
+
+ std::wstring s, lowerStr = removeZero(lowerAbs),
+ upperStr = removeZero(upperAbs);
+
+ if (lower != upper) {
+ s.append(L"[").append(lowerStr).append(L"-")
+ .append(upperStr).append(L"]");
+ } else
+ s.append(lowerStr);
+
+ return s;
+}
+
+threshold threshold::toSeconds(const Tunit& fromUnit) {
+ if (!set)
+ return *this;
+
+ double lowerAbs = lower;
+ double upperAbs = upper;
+
+ switch (fromUnit) {
+ case TunitMS:
+ lowerAbs = lowerAbs / 1000;
+ upperAbs = upperAbs / 1000;
+ break;
+ case TunitS:
+ lowerAbs = lowerAbs ;
+ upperAbs = upperAbs ;
+ break;
+ case TunitM:
+ lowerAbs = lowerAbs * 60;
+ upperAbs = upperAbs * 60;
+ break;
+ case TunitH:
+ lowerAbs = lowerAbs * 60 * 60;
+ upperAbs = upperAbs * 60 * 60;
+ break;
+ }
+
+ return threshold(lowerAbs, upperAbs, legal, perc);
+}
+
+std::wstring removeZero(double val)
+{
+ std::wstring ret = boost::lexical_cast<std::wstring>(val);
+ std::wstring::size_type pos = ret.length();
+ if (ret.find_first_of(L".") == std::string::npos)
+ return ret;
+ for (std::wstring::reverse_iterator rit = ret.rbegin(); rit != ret.rend(); ++rit) {
+ if (*rit == L'.') {
+ return ret.substr(0, pos - 1);
+ }
+ if (*rit != L'0') {
+ return ret.substr(0, pos);
+ }
+ pos--;
+ }
+ return L"0";
+}
+
+std::vector<std::wstring> splitMultiOptions(const std::wstring& str)
+{
+ std::vector<std::wstring> sVec;
+ boost::split(sVec, str, boost::is_any_of(L","));
+ return sVec;
+}
+
+Bunit parseBUnit(const std::wstring& str)
+{
+ std::wstring wstr = to_upper_copy(str);
+
+ if (wstr == L"B")
+ return BunitB;
+ if (wstr == L"KB")
+ return BunitkB;
+ if (wstr == L"MB")
+ return BunitMB;
+ if (wstr == L"GB")
+ return BunitGB;
+ if (wstr == L"TB")
+ return BunitTB;
+
+ throw std::invalid_argument("Unknown unit type");
+}
+
+std::wstring BunitStr(const Bunit& unit)
+{
+ switch (unit) {
+ case BunitB:
+ return L"B";
+ case BunitkB:
+ return L"kB";
+ case BunitMB:
+ return L"MB";
+ case BunitGB:
+ return L"GB";
+ case BunitTB:
+ return L"TB";
+ }
+ return NULL;
+}
+
+Tunit parseTUnit(const std::wstring& str) {
+ std::wstring wstr = to_lower_copy(str);
+
+ if (wstr == L"ms")
+ return TunitMS;
+ if (wstr == L"s")
+ return TunitS;
+ if (wstr == L"m")
+ return TunitM;
+ if (wstr == L"h")
+ return TunitH;
+
+ throw std::invalid_argument("Unknown unit type");
+}
+
+std::wstring TunitStr(const Tunit& unit)
+{
+ switch (unit) {
+ case TunitMS:
+ return L"ms";
+ case TunitS:
+ return L"s";
+ case TunitM:
+ return L"m";
+ case TunitH:
+ return L"h";
+ }
+ return NULL;
+}
+
+void printErrorInfo(unsigned long err)
+{
+ if (!err)
+ err = GetLastError();
+ LPWSTR mBuf = NULL;
+ if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&mBuf, 0, NULL))
+ std::wcout << "Failed to format error message, last error was: " << err << '\n';
+ else {
+ boost::trim_right(std::wstring(mBuf));
+ std::wcout << mBuf << std::endl;
+ }
+}
+
+std::wstring formatErrorInfo(unsigned long err) {
+ std::wostringstream out;
+ if (!err)
+ err = GetLastError();
+ LPWSTR mBuf = NULL;
+ if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&mBuf, 0, NULL))
+ out << "Failed to format error message, last error was: " << err;
+ else {
+ std::wstring tempOut = std::wstring(mBuf);
+ boost::trim_right(tempOut);
+ out << tempOut;
+ }
+
+ return out.str();
+}
+
+std::wstring stateToString(const state& state) {
+ switch (state) {
+ case OK: return L"OK";
+ case WARNING: return L"WARNING";
+ case CRITICAL: return L"CRITICAL";
+ default: return L"UNKNOWN";
+ }
+} \ No newline at end of file