+++ /dev/null
-/*
- * based on test-eof.c
- */
-
-#include "event2/event-config.h"
-
-#ifdef WIN32
-#include <winsock2.h>
-#include <windows.h>
-#else
-#include <unistd.h>
-#endif
-#include <sys/types.h>
-#include <sys/stat.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#include <fcntl.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-
-#include "event2/event.h"
-#include "event2/util.h"
-#include <time.h>
-
-struct cpu_usage_timer {
-#ifdef WIN32
- HANDLE thread;
- FILETIME usertimeBegin;
- FILETIME kerneltimeBegin;
-#else
- clock_t ticksBegin;
-#endif
- struct timeval timeBegin;
-};
-static void
-start_cpu_usage_timer(struct cpu_usage_timer *timer)
-{
-#ifdef WIN32
- int r;
- FILETIME createtime, exittime;
- timer->thread = GetCurrentThread();
- r = GetThreadTimes(timer->thread, &createtime, &exittime,
- &timer->usertimeBegin, &timer->kerneltimeBegin);
- if (r==0) printf("GetThreadTimes failed.");
-#else
- timer->ticksBegin = clock();
-#endif
-
- evutil_gettimeofday(&timer->timeBegin, NULL);
-}
-#ifdef WIN32
-static ev_int64_t
-filetime_to_100nsec(const FILETIME *ft)
-{
- /* Number of 100-nanosecond units */
- ev_int64_t n = ft->dwHighDateTime;
- n <<= 32;
- n += ft->dwLowDateTime;
- return n;
-}
-static double
-filetime_diff(const FILETIME *ftStart, const FILETIME *ftEnd)
-{
- ev_int64_t s, e, diff;
- double r;
- s = filetime_to_100nsec(ftStart);
- e = filetime_to_100nsec(ftEnd);
- diff = e - s;
- r = (double) diff;
- return r / 1.0e7;
-}
-#endif
-
-static void
-get_cpu_usage(struct cpu_usage_timer *timer, double *secElapsedOut,
- double *secUsedOut, double *usageOut)
-{
-#ifdef WIN32
- double usertime_seconds, kerneltime_seconds;
- FILETIME createtime, exittime, usertimeEnd, kerneltimeEnd;
- int r;
-#else
- clock_t ticksEnd;
-#endif
- struct timeval timeEnd, timeDiff;
- double secondsPassed, secondsUsed;
-
-#ifdef WIN32
- r = GetThreadTimes(timer->thread, &createtime, &exittime,
- &usertimeEnd, &kerneltimeEnd);
- if (r==0) printf("GetThreadTimes failed.");
- usertime_seconds = filetime_diff(&timer->usertimeBegin, &usertimeEnd);
- kerneltime_seconds = filetime_diff(&timer->kerneltimeBegin, &kerneltimeEnd);
- secondsUsed = kerneltime_seconds + usertime_seconds;
-#else
- ticksEnd = clock();
- secondsUsed = (ticksEnd - timer->ticksBegin) / (double)CLOCKS_PER_SEC;
-#endif
- evutil_gettimeofday(&timeEnd, NULL);
- evutil_timersub(&timeEnd, &timer->timeBegin, &timeDiff);
- secondsPassed = timeDiff.tv_sec + (timeDiff.tv_usec / 1.0e6);
-
- *secElapsedOut = secondsPassed;
- *secUsedOut = secondsUsed;
- *usageOut = secondsUsed / secondsPassed;
-}
-
-static void
-write_cb(evutil_socket_t fd, short event, void *arg)
-{
- printf("write callback. should only see this once\n");
-
- /* got what we want remove the event */
- event_del(*(struct event**)arg);
-
- /* opps changed my mind add it back again */
- event_add(*(struct event**)arg,NULL);
-
- /* not a good day for decisiveness, I really didn't want it after all */
- event_del(*(struct event**)arg);
-
-}
-
-static void
-timeout_cb(evutil_socket_t fd, short event, void *arg)
-{
- printf("timeout fired, time to end test\n");
- event_del(*(struct event**)arg);
- return;
-}
-
-int
-main(int argc, char **argv)
-{
- struct event* ev;
- struct event* timeout;
- struct event_base* base;
-
- evutil_socket_t pair[2];
- struct timeval tv;
- struct cpu_usage_timer timer;
-
- double usage, secPassed, secUsed;
-
-#ifdef WIN32
- WORD wVersionRequested;
- WSADATA wsaData;
- int err;
-
- wVersionRequested = MAKEWORD(2, 2);
-
- err = WSAStartup(wVersionRequested, &wsaData);
-#endif
- if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
- return (1);
-
- /* Initalize the event library */
- base = event_base_new();
-
- /* Initalize a timeout to terminate the test */
- timeout = evtimer_new(base,timeout_cb,&timeout);
- /* and watch for writability on one end of the pipe */
- ev = event_new(base,pair[1],EV_WRITE | EV_PERSIST, write_cb, &ev);
-
- tv.tv_sec = 5;
- tv.tv_usec = 0;
-
- evtimer_add(timeout, &tv);
-
- event_add(ev, NULL);
-
- start_cpu_usage_timer(&timer);
-
- event_base_dispatch(base);
-
- get_cpu_usage(&timer, &secPassed, &secUsed, &usage);
-
- /* attempt to calculate our cpu usage over the test should be
- virtually nil */
-
- printf("usec used=%d, usec passed=%d, cpu usage=%.2f%%\n",
- (int)(secUsed*1e6),
- (int)(secPassed*1e6),
- usage*100);
-
- if (usage > 50.0) /* way too high */
- return 1;
-
- return 0;
-}
-