X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=daemon.c;h=ffdec4e35f3e8cdbd113a780f6d6ade7faf9fcfe;hp=b7a0a3267b68df5b020159f90c56337073463244;hb=5b1a844f375cc5e0303d9118ae0fc4a311c616d3;hpb=b2576e98c343652649abc094ea4dc1a810371ee7 diff --git a/daemon.c b/daemon.c index b7a0a326..ffdec4e3 100644 --- a/daemon.c +++ b/daemon.c @@ -26,7 +26,6 @@ struct daemon { char *logfile_name; /** Current loglevel, see \ref daemon_set_loglevel(). */ int loglevel; - /** Used by \ref server_uptime() and \ref uptime_str(). */ time_t startuptime; /** The file pointer if the logfile is open. */ @@ -277,43 +276,59 @@ void drop_privileges_or_die(const char *username, const char *groupname) } /** - * Set/get the server uptime. + * Set the server startup time. + * + * \param startuptime The value to store as the server start time. * - * \param set_or_get Chose one of the two modes. + * This should be called once on startup with \a startuptime either NULL or a + * pointer to a struct timeval which contains the current time. If \a + * startuptime is NULL, the server start time is set to the current time. * - * This should be called at startup time with \a set_or_get equal to \p - * UPTIME_SET which sets the uptime to zero. Subsequent calls with \a - * set_or_get equal to \p UPTIME_GET return the uptime. + * \sa time(2), difftime(3) \ref get_server_uptime(), \ref + * get_server_uptime_str(). + */ +void set_server_start_time(const struct timeval *startuptime) +{ + if (startuptime) + me->startuptime = startuptime->tv_sec; + else + time(&me->startuptime); +} - * \return Zero if called with \a set_or_get equal to \p UPTIME_SET, the number - * of seconds elapsed since the last reset otherwise. +/** + * Get the server uptime. + * + * \param current_time The current time. + * + * The \a current_time pointer may be \p NULL. In this case the function + * obtains the current time from the system. * - * \sa time(2), difftime(3). + * \return This returns the server uptime in seconds, i.e. the difference + * between the current time and the value stored previously via \ref + * set_server_start_time(). */ -time_t server_uptime(enum uptime set_or_get) +time_t get_server_uptime(const struct timeval *current_time) { - time_t now; - double diff; + time_t t; - if (set_or_get == UPTIME_SET) { - time(&me->startuptime); - return 0; - } - time(&now); - diff = difftime(now, me->startuptime); - return (time_t) diff; + if (current_time) + return current_time->tv_sec - me->startuptime; + time(&t); + return difftime(t, me->startuptime); } /** - * Construct string containing uptime. + * Construct a string containing the current uptime. + * + * \param current_time See a \ref get_server_uptime(). * * \return A dynamically allocated string of the form "days:hours:minutes". * * \sa server_uptime. */ -__malloc char *uptime_str(void) +__malloc char *get_server_uptime_str(const struct timeval *current_time) { - long t = server_uptime(UPTIME_GET); + long t = get_server_uptime(current_time); return make_message("%li:%02li:%02li", t / 86400, (t / 3600) % 24, (t / 60) % 60); }