libutil++: /builddir/build/BUILD/libutil++-1.4.0/src/sella/util/Time.h Source File

00001 /*
00002 ** libutil++
00003 ** $Id: Time.h 1230 2014-11-16 02:32:01Z sella $
00004 ** Copyright (c) 2011-2014 Digital Genesis, LLC. All Rights Reserved.
00005 ** Released under the LGPL Version 2.1 License.
00006 ** http://www.digitalgenesis.com
00007 */
00008 
00009 #ifndef __libutilxx__sella__util__Time_H__
00010 #define __libutilxx__sella__util__Time_H__
00011 
00012 #include "../../common.h"
00013 
00014 #include <stdint.h>
00015 #include <sys/time.h>
00016 #include <stddef.h>
00017 
00018 #include <string>
00019 #include <chrono>
00020 
00021 namespace sella {
00022         namespace util {
00023                 class Time;
00024         }
00025 }
00026 
00027 class sella::util::Time {
00028         public:
00029                 static struct timeval htontv(const struct timeval &src) throw ();
00030                 static struct timeval ntohtv(const struct timeval &src) throw ();
00031                 static void cleartv(struct timeval &src) throw ();
00032                 static int comparetv(const struct timeval &a, const struct timeval &b) throw ();
00033                 static void copytv(struct timeval &dst, const struct timeval &src) throw ();
00034                 static void subtracttv(struct timeval &dst, const struct timeval &src) throw ();
00035                 static void addtv(struct timeval &dst, const struct timeval &src) throw ();
00036 
00037                 static struct timespec htonts(const struct timespec &ts) throw (); /* Host to Network */
00038                 static struct timespec ntohts(const struct timespec &ts) throw (); /* Network to Host */
00039 
00040                 static void clearts(struct timespec &ts) throw ();
00041                 static int comparets(const struct timespec &a, const struct timespec &b) throw ();
00042                 static void copyts(struct timespec &dst, const struct timespec &src) throw ();
00043                 static void subtractts(struct timespec &dst, const struct timespec &src) throw ();
00044                 static void addts(struct timespec &dst, const struct timespec &src) throw ();
00045 
00046                 static struct timespec clock_realtime(struct timezone *tz = NULL) throw ();
00047                 static struct timespec clock_monotonic(struct timezone *tz = NULL) throw ();
00048                 static struct timespec clock_monotonic_raw(struct timezone *tz = NULL) throw ();
00049                 static struct timespec clock_process_cputime_id(struct timezone *tz = NULL) throw ();
00050                 static struct timespec clock_thread_cputime_id(struct timezone *tz = NULL) throw ();
00051                 static uint64_t tstousec(const struct timespec &ts) throw ();
00052                 static uint64_t tstomsec(const struct timespec &ts) throw ();
00053                 static uint64_t tstosec(const struct timespec &ts) throw ();
00054                 static struct timespec sectots(uint64_t sec) throw ();
00055                 static struct timespec msectots(uint64_t msec) throw ();
00056                 static struct timespec usectots(uint64_t usec) throw ();
00057 
00058                 static std::string tmtostr(const struct tm &tm, const char* format = "%a %Y-%m-%d %H:%M:%S %Z") throw ();
00059                 static std::string tstostr(const struct timespec &ts, const char* format = "%a %Y-%m-%d %H:%M:%S %Z") throw ();
00060                 static std::string sectostr(uint64_t sec = 0, const char* format = "%a %Y-%m-%d %H:%M:%S %Z") throw ();
00061                 static std::string usectostr(uint64_t usec = 0, const char* format = "%a %Y-%m-%d %H:%M:%S %Z") throw ();
00062                 static std::string msectostr(uint64_t msec = 0, const char* format = "%a %Y-%m-%d %H:%M:%S %Z") throw ();
00063 
00064                 static struct timeval gettimeofday(struct timezone *tz = NULL) throw ();
00065                 static uint64_t gettimeofday_usec(struct timezone *tz = NULL) throw ();
00066                 static uint64_t gettimeofday_msec(struct timezone *tz = NULL) throw ();
00067                 static uint64_t gettimeofday_sec(struct timezone *tz = NULL) throw ();
00068                 static uint64_t tvtousec(const struct timeval &tv) throw ();
00069                 static uint64_t tvtomsec(const struct timeval &tv) throw ();
00070                 static uint64_t tvtosec(const struct timeval &tv) throw ();
00071                 static struct timeval chronototv(const std::chrono::system_clock::duration &duration) throw ();
00072                 static struct timeval chronototv(const std::chrono::system_clock::time_point &tp) throw ();
00073                 static struct timeval sectotv(uint64_t sec) throw ();
00074                 static struct timeval usectotv(uint64_t usec) throw ();
00075                 static struct timeval msectotv(uint64_t msec) throw ();
00076                 static struct timeval* add_usectotv(struct timeval &tv, const uint64_t usec) throw ();
00077                 static struct timeval* add_msectotv(struct timeval &tv, const uint64_t msec) throw ();
00078                 static struct timeval* add_sectotv(struct timeval &tv, const uint64_t sec) throw ();
00079 
00080                 static std::string getRFC1123Date(void) throw ();
00081 };
00082 
00083 #endif
00084 
00085 /*
00086 ** vim: noet ts=3 sw=3
00087 */