blob: 309e659b1dee51d13e3547c11b21f357ee97608f [file] [log] [blame] [raw]
/*
* 工具箱中的某工具
* 版权所有 2007-2015 PC GO Ld.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/time.h>
#if defined _WIN32 && !defined _WIN32_WNT_NATIVE
#include "timefunc.h"
//#define CLOCK_MONOTONIC 1
//#include <windows.h>
#elif defined __linux__
//#include <sys/ioctl.h>
//#include <linux/rtc.h>
#elif defined __APPLE__ || defined __FreeBSD__
#include <sys/sysctl.h>
#endif
#if !defined _WIN32 && !defined _NO_UTMPX
#include <utmpx.h>
#endif
//#include <linux/android_alarm.h>
#include <fcntl.h>
#include <stdio.h>
#include <time.h>
#include <math.h>
#ifdef __sun
#undef NAN
#define NAN (__builtin_nanf(""))
//#if isnan == __builtin_isnan
#undef isnan
#if 1
#include <ieeefp.h>
#define isnan isnand
#else
#include <nan.h>
#define isnan NaN
#endif
//#endif
#elif !defined NAN
#define NAN (__builtin_nanf(""))
#endif
//#ifdef __APPLE__
//#define _USE_SYSCTL
//#endif
static void format_time(int time, char *buffer) {
int seconds, minutes, hours, days;
seconds = time % 60;
time /= 60;
minutes = time % 60;
time /= 60;
hours = time % 24;
days = time / 24;
if(days > 0) {
sprintf(buffer, "%d days, %02d:%02d:%02d", days, hours, minutes, seconds);
} else {
sprintf(buffer, "%02d:%02d:%02d", hours, minutes, seconds);
}
}
/*
int64_t elapsedRealtime()
{
struct timespec ts;
int fd, result;
fd = open("/dev/alarm", O_RDONLY);
if (fd < 0)
return fd;
result = ioctl(fd, ANDROID_ALARM_GET_TIME(ANDROID_ALARM_ELAPSED_REALTIME), &ts);
close(fd);
if (result == 0)
return ts.tv_sec;
return -1;
}*/
int main() {
float run_time = NAN;
char total_string[100];
//float elapsed;
#if defined __APPLE__ || defined __FreeBSD__
struct timeval boot_tv;
size_t len = sizeof boot_tv;
int mib[2] = { CTL_KERN, KERN_BOOTTIME };
if(sysctl(mib, 2, &boot_tv, &len, NULL, 0) == 0) {
run_time = difftime(time(NULL), boot_tv.tv_sec);
}
#elif defined __linux__ || defined _WIN32
struct timespec up_timespec;
#ifdef __linux__
float total_time = NAN, idle_time = NAN;
char idle_string[100], sleep_string[100];
int run_time_only = 0;
FILE *file = fopen("/proc/uptime", "r");
if(file) {
if(fscanf(file, "%f %f", &total_time, &idle_time) < 2) {
fprintf(stderr, "Could not parse /proc/uptime\n");
fclose(file);
return 1;
}
fclose(file);
}
/*
char up[9];
int fd = open("/proc/uptime", O_RDONLY);
if(fd == -1) {
perror("/proc/uptime");
return 1;
}
if(read(fd, up, 8) < 0) {
perror("read: /proc/uptime");
return 1;
}
if(close(fd) < 0) perror("close");
up[8] = 0;
total_time = atof(up);
*/
#endif
if(clock_gettime(CLOCK_MONOTONIC, &up_timespec) < 0) {
fprintf(stderr, "Could not get monotonic time\n");
return 2;
}
run_time = up_timespec.tv_sec + up_timespec.tv_nsec / 1e9;
#endif
/*
elapsed = elapsedRealtime();
if (elapsed < 0) {
fprintf(stderr, "elapsedRealtime failed\n");
return -1;
}
*/
#ifndef _WIN32
#ifdef __linux__
if(isnan(total_time)) {
#else
if(isnan(run_time)) {
#endif
#ifndef _NO_UTMPX
int up = -1;
setutxent();
struct utmpx *t;
while((t = getutxent())) {
if(t->ut_type == BOOT_TIME) {
up = time(NULL) - t->ut_tv.tv_sec;
break;
}
}
if(up < 0) {
#endif
#ifdef __linux__
run_time_only = 1;
#else
fprintf(stderr, "Could not get up time\n");
return 2;
#endif
#ifndef _NO_UTMPX
}
#ifdef __linux__
total_time = up;
#else
run_time = up;
#endif
#endif
}
#endif
#ifdef __linux__
if(!run_time_only) {
format_time(total_time, total_string);
format_time((int)idle_time, idle_string);
format_time((int)(total_time - run_time), sleep_string);
printf("up time: %s; idle time: %s; sleep time: %s\n", total_string, idle_string, sleep_string);
return 0;
}
#endif
format_time(run_time, total_string);
printf("up time: %s\n", total_string);
return 0;
}