+/*
+The software in this package is distributed under the GNU General
+Public License version 2 (with a special exception described below).
+
+A copy of GNU General Public License (GPL) is included in this distribution,
+in the file COPYING.GPL.
+
+As a special exception, if other files instantiate templates or use macros
+or inline functions from this file, or you compile this file and link it
+with other works to produce a work based on this file, this file
+does not by itself cause the resulting work to be covered
+by the GNU General Public License.
+
+However the source code for this file must still be made available
+in accordance with section (3) of the GNU General Public License.
+
+This exception does not invalidate any other reasons why a work based
+on this file might be covered by the GNU General Public License.
+*/
/** @file
* @brief time related functions.
*
* @copyright Copyright © 2001-2008 by Intra2net AG
- * @license commercial
- * @contact info@intra2net.com
*
*/
-
#include <string>
#include <sstream>
#include <iostream>
#include <algorithm>
#include <time.h>
+#include <unistd.h>
+#include <string.h>
#include <sys/timeb.h>
#include <timefunc.hxx>
#include <i18n.h>
+
+// define missing POSIX.1b constants...
+
+#ifndef CLOCK_REALTIME
+#define CLOCK_REALTIME 0
+#endif
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC 1
+#endif
+
+
+
using namespace std;
double prec_time(void)
}
// converts ISO-DATE: 2003-06-13
-int date_to_seconds(const std::string &date)
+time_t date_to_seconds(const std::string &date)
{
- int rtn = -1, year = -1, month = -1, day = -1;
+ time_t rtn = 0;
+ int year = -1, month = -1, day = -1;
string::size_type pos = date.find("-");
if (pos == string::npos)
if (year < 0 || month == -1 || day == -1)
return rtn;
-
+
struct tm tm_struct;
- bzero (&tm_struct, sizeof(struct tm));
+ memset(&tm_struct, 0, sizeof(struct tm));
tm_struct.tm_year = year;
tm_struct.tm_mon = month;
tm_struct.tm_mday = day;
int days=seconds/86400;
seconds%=86400;
- int hours=seconds/3600;
- seconds%=3600;
-
- int minutes=seconds/60;
- seconds%=60;
-
- if (days==1)
- out << i18n("1 day") << ", ";
- else if (days>1)
- out << days << ' ' << i18n("days") << ", ";
+ int hours,minutes;
+ split_daysec(seconds,&hours,&minutes,&seconds);
+
+ if (days>0)
+ out << days << " " << i18n_plural("day", "days", days) << ", ";
out << setfill('0');
out << setw(2) << hours << ':' << setw(2) << minutes << ':' << setw(2) << seconds;
return out.str();
}
-string format_full_time(int seconds)
+string format_full_time(time_t seconds)
+{
+ char buf[50];
+ memset (buf, 0, 50);
+ struct tm ta;
+ if (localtime_r((time_t *)&seconds, &ta) == NULL)
+ memset (&ta, 0, sizeof(struct tm));
+
+ strftime (buf, 49, "%d.%m.%Y %H:%M", &ta);
+ return string(buf);
+}
+
+string format_date(time_t seconds)
{
char buf[50];
memset (buf, 0, 50);
- struct tm *ta = localtime ((time_t *)&seconds);
+ struct tm ta;
+ if (localtime_r((time_t *)&seconds, &ta) == NULL)
+ memset (&ta, 0, sizeof(struct tm));
- strftime (buf, 49, "%d.%m.%Y %H:%M", ta);
+ strftime (buf, 49, "%d.%m.%Y", &ta);
return string(buf);
}
}
}
-std::string output_hour_minute(int hour, int minute, bool h_for_00)
+/**
+ * Split seconds into hours, minutes and seconds
+ * @param [in] daysec Seconds since start of day
+ * @param [out] outhours hours
+ * @param [out] outminutes minutes
+ * @param [out] outseconds seconds
+ */
+void split_daysec(int daysec, int *outhours, int *outminutes, int *outseconds)
+{
+ int hours=daysec/3600;
+ daysec%=3600;
+
+ int minutes=daysec/60;
+ daysec%=60;
+
+ if (outhours)
+ *outhours=hours;
+
+ if (outminutes)
+ *outminutes=minutes;
+
+ if (outseconds)
+ *outseconds=daysec;
+}
+
+std::string output_hour_minute(int hour, int minute, bool h_for_00, int seconds)
{
ostringstream out;
out << '0';
out << hour;
- if (!h_for_00 || minute != 0)
+ if (!h_for_00 || minute != 0 || seconds > 0)
{
out << ':';
if (minute >= 0 && minute < 10)
else
out << 'h';
- return out.str();
-}
-
-WEEK::WEEK(const std::string& daystring)
-{
- int len=daystring.length();
- for (int p=0; p < len; p++)
+ if (seconds > 0)
{
- char nr[2];
- nr[0]=daystring[p];
- nr[1]=0;
- istringstream c(nr);
- int wnr=-1;
- if (!(c >> wnr) || wnr<0 || wnr >6)
- throw range_error("illegal weekday >"+string(nr)+"< in "+daystring);
-
- days.set(wnr);
+ out << ':';
+ if (seconds > 0 && seconds < 10)
+ out << '0';
+ out << seconds;
}
-}
-
-std::string WEEK::get_daystring() const
-{
- ostringstream out;
- for (int i = 0; i < 7; i++)
- if (days[i])
- out << i;
return out.str();
}
-std::string WEEK::get_displaystring() const
-{
- string weekdays_str;
-
- // From Monday to Saturday
- int j;
- for (int i = 1; i < 7; i++)
- {
- if (days[i])
- {
- if (!weekdays_str.empty())
- weekdays_str += ", ";
-
- weekdays_str += get_day_display(static_cast<WEEKDAY>(i));
-
- // check if we can group two or more days
- j = i;
- while (days[j] && j < 7)
- j++;
- j--;
-
- // Sunday end of week? j -> 7
- if (j-i > 0 && j == 6 && days[0])
- j++;
-
- if (j-i > 1)
- {
- if (j == 7)
- weekdays_str += "-" + get_day_display(SU);
- else
- weekdays_str += "-" + get_day_display(static_cast<WEEKDAY>(j));
-
- i = j;
- }
- }
- }
-
- // special: sunday
- if (days[0] && j != 7)
- {
- if (!weekdays_str.empty())
- weekdays_str += ", ";
-
- weekdays_str += get_day_display(SU);
- }
-
- return weekdays_str;
-}
-
-std::string WEEK::get_netfilterstring() const
-{
- string out;
- for (int i = 0; i < 7; i++)
- if (days[i])
- {
- if (!out.empty())
- out+=",";
- out+=get_english_display(static_cast<WEEKDAY>(i));;
- }
-
- return out;
-}
-
-std::string WEEK::get_day_display(WEEKDAY day)
-{
- string weekday_str;
-
- switch (day) {
- case MO:
- weekday_str = i18n("Mon");
- break;
- case TU:
- weekday_str = i18n("Tue");
- break;
- case WE:
- weekday_str = i18n("Wed");
- break;
- case TH:
- weekday_str = i18n("Thu");
- break;
- case FR:
- weekday_str = i18n("Fri");
- break;
- case SA:
- weekday_str = i18n("Sat");
- break;
- case SU:
- weekday_str = i18n("Sun");
- break;
- default:
- break;
- }
-
- return weekday_str;
-}
-
-std::string WEEK::get_english_display(WEEKDAY day)
-{
- string weekday_str;
-
- switch (day) {
- case MO:
- weekday_str = "Mon";
- break;
- case TU:
- weekday_str = "Tue";
- break;
- case WE:
- weekday_str = "Wed";
- break;
- case TH:
- weekday_str = "Thu";
- break;
- case FR:
- weekday_str = "Fri";
- break;
- case SA:
- weekday_str = "Sat";
- break;
- case SU:
- weekday_str = "Sun";
- break;
- default:
- break;
- }
-
- return weekday_str;
-}
-
string get_month_name(unsigned char month)
{
string rtn;
}
return *this;
} // eo operator-=(const Intervals&)
+
+
+
+/*
+** clock funcs:
+*/
+
+
+/**
+ * @brief fetches the value from the monotonic clock source.
+ * @param[out] seconds the seconds.
+ * @param[out] nano_seconds the nano seconds.
+ * @return @a true if the clock was successfully read.
+ */
+bool monotonic_clock_gettime(long int& seconds, long int& nano_seconds)
+{
+ struct timespec tp[1];
+ int res= clock_gettime (CLOCK_MONOTONIC, tp);
+ if (0 == res)
+ {
+ seconds= tp->tv_sec;
+ nano_seconds= tp->tv_nsec;
+ }
+ return (res==0);
+} // eo monotonic_clock_gettime(long int&,long int&)
+
+
+/**
+ * @brief fetches the value from the monotonic clock source.
+ * @return the time since system start in nanoseconds, 0 if read was unsuccessful
+ */
+long long monotonic_clock_gettime_nano()
+{
+ long int seconds;
+ long int nano_seconds;
+ long long nano=0;
+
+ if (monotonic_clock_gettime(seconds,nano_seconds))
+ {
+ nano=seconds;
+ nano*=1000000000LL;
+ nano+=nano_seconds;
+ }
+
+ return nano;
+}
+
+/**
+ * @brief fetches the value from the monotonic clock source.
+ * @param[out] seconds the seconds.
+ * @param[out] nano_seconds the nano seconds.
+ * @return @a true if the clock was successfully read.
+ */
+bool realtime_clock_gettime(long int& seconds, long int& nano_seconds)
+{
+ struct timespec tp[1];
+ int res= clock_gettime(CLOCK_REALTIME, tp);
+ if (0 == res)
+ {
+ seconds= tp->tv_sec;
+ nano_seconds= tp->tv_nsec;
+ }
+ return (res==0);
+} // eo realtime_clock_gettime(long int&,long int&)
+
+
+namespace I2n {
+
+namespace clock {
+
+ namespace {
+
+ static inline clockid_t
+ clockid_of_flags (const enum type::id id,
+ const enum type::variant var) NOEXCEPT
+ {
+ clockid_t cid = CLOCK_MONOTONIC_COARSE;
+
+ switch (id) {
+
+ default:
+ case type::mono: {
+ switch (var) {
+ default: {
+ break;
+ }
+ case type::raw: {
+ cid = CLOCK_MONOTONIC_RAW;
+ break;
+ }
+ case type::exact: {
+ cid = CLOCK_MONOTONIC;
+ break;
+ }
+ }
+ break;
+ }
+
+ case type::real: {
+ if (var == type::exact) {
+ cid = CLOCK_REALTIME;
+ } else {
+ cid = CLOCK_REALTIME_COARSE;
+ }
+ break;
+ }
+
+ case type::boot: {
+ if (var & type::exact) {
+ cid = CLOCK_BOOTTIME;
+ }
+ break;
+ }
+
+ case type::cpu: {
+ if (var == type::thread) {
+ cid = CLOCK_THREAD_CPUTIME_ID;
+ } else {
+ cid = CLOCK_PROCESS_CPUTIME_ID;
+ }
+ break;
+ }
+ } /* [switch id] */
+
+ return cid;
+ }
+
+ static const struct timespec zero_time = { 0, 0 };
+
+ } /* [namespace] */
+
+ Time::Time (const enum type::id id,
+ const enum type::variant var) NOEXCEPT
+ : value (zero_time)
+ , id (id)
+ , variant (var)
+ , err (0)
+ { }
+
+ int64_t
+ Time::as_nanosec (void) const NOEXCEPT
+ {
+ return int64_t (this->value.tv_sec) * TIME_CONST_FACTOR_NANO
+ + this->value.tv_nsec;
+ }
+
+ long
+ Time::as_nanosec_L (void) const NOEXCEPT /* likely to overflow */
+ { return static_cast<long>(this->as_nanosec ()); }
+
+ Time &
+ Time::operator= (Time t2) NOEXCEPT
+ {
+ this->swap (t2);
+
+ return *this;
+ }
+
+ Time &
+ Time::operator= (struct timespec ts) NOEXCEPT
+ {
+ std::swap (this->value, ts);
+ this->id = clock::type::mono;
+ this->variant = clock::type::dflt;
+ this->err = 0;
+
+ return *this;
+ }
+
+ void
+ Time::unset (void) NOEXCEPT
+ { this->value = zero_time; }
+
+ bool
+ Time::set (void) NOEXCEPT
+ {
+ struct timespec now;
+
+ errno = 0;
+ if (clock_gettime (clockid_of_flags (this->id, this->variant), &now)
+ == -1)
+ {
+ this->err = errno;
+ this->unset ();
+
+ return false;
+ }
+ this->err = 0;
+ this->value = now;
+
+ return true;
+ }
+
+ Time &
+ Time::add (const time_t sec, const long nsec) NOEXCEPT
+ {
+ this->value.tv_sec += sec;
+ this->value.tv_nsec += nsec;
+
+ this->carry_nsec ();
+
+ return *this;
+ }
+
+ Time &
+ Time::subtract (const time_t sec, const long nsec) NOEXCEPT
+ {
+ this->value.tv_sec -= sec;
+ this->value.tv_nsec -= nsec;
+
+ this->carry_nsec ();
+
+ return *this;
+ }
+
+ Time &
+ Time::scale (const time_t factor) NOEXCEPT
+ {
+ this->value.tv_sec *= factor;
+ this->value.tv_nsec *= factor;
+
+ this->carry_nsec ();
+
+ return *this;
+ }
+
+ boost::optional<Time>
+ now (const enum type::id id, const enum type::variant var) NOEXCEPT
+ {
+ Time ret (id, var);
+
+ if (!ret.set ()) {
+ return boost::none;
+ }
+
+ return ret;
+ }
+
+ Time
+ zero (const enum type::id id, const enum type::variant var) NOEXCEPT
+ { return Time (id, var); }
+
+ int
+ compare (const Time &t1, const Time &t2) NOEXCEPT
+ {
+ if (t1.value.tv_sec < t2.value.tv_sec) {
+ return -1;
+ }
+
+ if (t1.value.tv_sec > t2.value.tv_sec) {
+ return 1;
+ }
+
+ if (t1.value.tv_nsec < t2.value.tv_nsec) {
+ return -1;
+ }
+
+ if (t1.value.tv_nsec > t2.value.tv_nsec) {
+ return 1;
+ }
+
+ return 0;
+ }
+
+} /* [namespace clock] */
+
+} /* [namespace I2n] */
+