mirror of https://github.com/Icinga/icinga2.git
Implement complex 1.x timeperiod definitions.
This commit is contained in:
Gunnar Beutner
parent
2e600a7810
commit
8a1d24042d
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@ -122,6 +122,11 @@ size_t String::GetLength(void) const
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return m_Data.size();
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}
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size_t String::Find(const String& str, size_t pos) const
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{
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return m_Data.find(str, pos);
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}
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size_t String::FindFirstOf(const char *s, size_t pos) const
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{
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return m_Data.find_first_of(s, pos);
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@ -75,6 +75,7 @@ public:
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void Clear(void);
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size_t GetLength(void) const;
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size_t Find(const String& str, size_t pos = 0) const;
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size_t FindFirstOf(const char *s, size_t pos = 0) const;
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size_t FindFirstOf(char ch, size_t pos = 0) const;
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String SubStr(size_t first, size_t len = NPos) const;
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@ -33,32 +33,272 @@ using namespace icinga;
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REGISTER_SCRIPTFUNCTION(LegacyTimePeriod, &LegacyTimePeriod::ScriptFunc);
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bool LegacyTimePeriod::IsInDayDefinition(const String& daydef, tm *reference)
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bool LegacyTimePeriod::IsInTimeRange(tm *begin, tm *end, int stride, tm *reference)
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{
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if (daydef == "sunday" || daydef == "monday" || daydef == "tuesday" ||
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daydef == "wednesday" || daydef == "thursday" || daydef == "friday" ||
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daydef == "saturday") {
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int wday;
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time_t tsbegin, tsend, tsref;
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tsbegin = mktime(begin);
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tsend = mktime(end);
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tsref = mktime(reference);
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if (daydef == "sunday")
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wday = 0;
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else if (daydef == "monday")
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wday = 1;
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else if (daydef == "tuesday")
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wday = 2;
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else if (daydef == "wednesday")
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wday = 3;
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else if (daydef == "thursday")
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wday = 4;
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else if (daydef == "friday")
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wday = 5;
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else if (daydef == "saturday")
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wday = 6;
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if (tsref < tsbegin || tsref > tsend)
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return false;
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return reference->tm_wday == wday;
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int daynumber = (tsref - tsbegin) / (24 * 60 * 60);
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if (daynumber % stride == 0)
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return false;
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return true;
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}
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void LegacyTimePeriod::FindNthWeekday(int wday, int n, tm *reference)
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{
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int seen = 0;
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ASSERT(n > 0);
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reference->tm_mday = 1;
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for (;;) {
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mktime(reference);
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if (reference->tm_wday == wday) {
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seen++;
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if (seen == n)
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return;
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}
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reference->tm_mday++;
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}
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}
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int LegacyTimePeriod::WeekdayFromString(const String& daydef)
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{
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if (daydef == "sunday")
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return 0;
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else if (daydef == "monday")
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return 1;
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else if (daydef == "tuesday")
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return 2;
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else if (daydef == "wednesday")
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return 3;
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else if (daydef == "thursday")
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return 4;
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else if (daydef == "friday")
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return 5;
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else if (daydef == "saturday")
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return 6;
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else
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return -1;
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}
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int LegacyTimePeriod::MonthFromString(const String& monthdef)
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{
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if (monthdef == "january")
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return 0;
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else if (monthdef == "february")
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return 1;
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else if (monthdef == "march")
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return 2;
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else if (monthdef == "april")
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return 3;
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else if (monthdef == "may")
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return 4;
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else if (monthdef == "june")
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return 5;
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else if (monthdef == "july")
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return 6;
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else if (monthdef == "august")
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return 7;
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else if (monthdef == "september")
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return 8;
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else if (monthdef == "october")
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return 9;
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else if (monthdef == "november")
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return 10;
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else if (monthdef == "december")
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return 11;
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else
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return -1;
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}
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void LegacyTimePeriod::ParseTimeSpec(const String& timespec, tm *begin, tm *end, tm *reference)
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{
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/* YYYY-MM-DD */
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if (timespec.GetLength() == 10 && timespec[4] == '-' && timespec[7] == '-') {
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int year = Convert::ToLong(timespec.SubStr(0, 4));
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int month = Convert::ToLong(timespec.SubStr(5, 2));
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int day = Convert::ToLong(timespec.SubStr(7, 2));
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if (begin) {
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begin->tm_year = year - 1900;
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begin->tm_mon = month;
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begin->tm_mday = day;
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begin->tm_hour = 0;
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begin->tm_min = 0;
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begin->tm_sec = 0;
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}
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if (end) {
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end->tm_year = year - 1900;
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end->tm_mon = month;
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end->tm_mday = day;
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end->tm_hour = 24;
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end->tm_min = 0;
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end->tm_sec = 0;
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}
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return;
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}
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid day definition: " + daydef));
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std::vector<String> tokens;
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boost::algorithm::split(tokens, timespec, boost::is_any_of(" "));
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if (tokens.size() > 1 && tokens[0] == "day") {
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int mday = Convert::ToLong(tokens[1]);
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if (begin) {
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*begin = *reference;
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begin->tm_mday = mday;
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begin->tm_hour = 0;
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begin->tm_min = 0;
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begin->tm_sec = 0;
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/* Negative days are relative to the next month. */
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if (mday < 0) {
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end->tm_mday--;
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begin->tm_mon++;
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}
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}
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if (end) {
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*end = *reference;
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end->tm_mday = mday;
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end->tm_hour = 24;
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end->tm_min = 0;
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end->tm_sec = 0;
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/* Negative days are relative to the next month. */
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if (mday < 0) {
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end->tm_mday--;
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end->tm_mon++;
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}
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}
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return;
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}
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int wday;
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if (tokens.size() > 1 && (wday = WeekdayFromString(tokens[0])) != -1) {
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tm myref = *reference;
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if (tokens.size() > 2) {
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int mon = MonthFromString(tokens[2]);
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if (mon == -1)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid month in time specification: " + timespec));
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myref.tm_mon = mon;
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}
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int n = Convert::ToLong(tokens[1]);
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if (begin) {
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*begin = myref;
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FindNthWeekday(wday, n, begin);
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begin->tm_hour = 0;
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begin->tm_min = 0;
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begin->tm_sec = 0;
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}
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if (end) {
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*end = myref;
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FindNthWeekday(wday, n, end);
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end->tm_hour = 0;
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end->tm_min = 0;
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end->tm_sec = 0;
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end->tm_mday++;
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}
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return;
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}
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid time specification: " + timespec));
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}
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void LegacyTimePeriod::ParseTimeRange(const String& timerange, tm *begin, tm *end, int *stride, tm *reference)
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{
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String def = timerange;
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/* Figure out the stride. */
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size_t pos = def.FindFirstOf('/');
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if (pos != String::NPos) {
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String strStride = def.SubStr(pos + 1);
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strStride.Trim();
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*stride = Convert::ToLong(strStride);
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/* Remove the stride parameter from the definition. */
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def = def.SubStr(0, pos);
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} else {
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*stride = 1; /* User didn't specify anything, assume default. */
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}
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/* Figure out whether the user has specified two dates. */
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pos = def.Find("- ");
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std::cout << "XXX: " << def << std::endl;
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if (pos != String::NPos) {
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String first = def.SubStr(0, pos);
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first.Trim();
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String second = def.SubStr(pos + 1);
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second.Trim();
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ParseTimeSpec(first, begin, NULL, reference);
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/* If the second definition starts with a number we need
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* to add the first word from the first definition, e.g.:
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* day 1 - 15 --> "day 15" */
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bool is_number = true;
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size_t xpos = second.FindFirstOf(' ');
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String fword = second.SubStr(0, xpos);
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try {
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Convert::ToLong(fword);
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} catch (...) {
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is_number = false;
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}
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if (is_number) {
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xpos = first.FindFirstOf(' ');
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ASSERT(xpos != String::NPos);
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second = first.SubStr(0, xpos + 1) + second;
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}
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ParseTimeSpec(second, NULL, end, reference);
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} else {
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ParseTimeSpec(def, begin, end, reference);
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}
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}
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bool LegacyTimePeriod::IsInDayDefinition(const String& daydef, tm *reference)
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{
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/* Week specifications are special in that they don't have a reference frame. */
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int wday = WeekdayFromString(daydef);
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if (wday != -1)
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return reference->tm_wday == wday;
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tm begin, end;
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int stride;
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ParseTimeRange(daydef, &begin, &end, &stride, reference);
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return IsInTimeRange(&begin, &end, stride, reference);
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}
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Dictionary::Ptr LegacyTimePeriod::ProcessTimeRange(const String& timerange, tm *reference)
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@ -37,6 +37,12 @@ class I2_ICINGA_API LegacyTimePeriod
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public:
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static Array::Ptr ScriptFunc(const TimePeriod::Ptr& tp, double start, double end);
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static bool IsInTimeRange(tm *begin, tm *end, int stride, tm *reference);
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static void FindNthWeekday(int wday, int n, tm *reference);
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static int WeekdayFromString(const String& daydef);
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static int MonthFromString(const String& monthdef);
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static void ParseTimeSpec(const String& timespec, tm *begin, tm *end, tm *reference);
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static void ParseTimeRange(const String& timerange, tm *begin, tm *end, int *stride, tm *reference);
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static bool IsInDayDefinition(const String& daydef, tm *reference);
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static Dictionary::Ptr ProcessTimeRange(const String& timerange, tm *reference);
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static void ProcessTimeRanges(const String& timeranges, tm *reference, const Array::Ptr& result);
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