/* ====================================================================
 * The Apache Software License, Version 1.1
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 * reserved.
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 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

#include "apr_time.h"
#include "apr_thread_proc.h"
#include "apr_errno.h"
#include "apr_general.h"
#include "apr_lib.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "test_apr.h"


static void do_sleep(int howlong)
{
    apr_time_t then, now, diff;
    apr_time_t interval = howlong * APR_USEC_PER_SEC;

    printf("    I'm about to go to sleep!\n");

    then = apr_time_now();
    apr_sleep(interval);
    now = apr_time_now();

    diff = now - then;

    printf("%-60s","    Just woken up, checking how long I've been asleep");
    if (diff < interval * 0.99 || diff > interval * 1.01) {
        printf("Failed!\n\t(actual: %" APR_TIME_T_FMT
               ", wanted: %" APR_TIME_T_FMT")\n", diff, interval);
    } else {
        printf("OK\n");
    }
}

#if APR_HAS_THREADS
void * APR_THREAD_FUNC time_a_thread(apr_thread_t *thd, void *data)
{
    do_sleep(15);

    return NULL;
}
#define OUTPUT_LINES 8
#else
#define OUTPUT_LINES 2
#endif /* APR_HAS_THREADS */

int main(void)
{
    apr_pool_t *p;
#if APR_HAS_THREADS
    apr_thread_t *t1, *t2, *t3;
    apr_status_t rv;
#endif

    apr_initialize();

    printf("Testing apr_sleep()\n===================\n\n");

    STD_TEST_NEQ("Creating a pool to use", apr_pool_create(&p, NULL))

#if APR_HAS_THREADS
    printf("\nI will now start 3 threads, each of which should sleep for\n"
           "15 seconds, then exit.\n");
#endif

    printf("The main app will sleep for 45 seconds then wake up.\n");
    printf("All tests will check how long they've been in the land of nod.\n\n");
    printf("If all is working you should see %d lines below within 45 seconds.\n\n",
           OUTPUT_LINES);

#if APR_HAS_THREADS
    rv = apr_thread_create(&t1, NULL, time_a_thread, NULL, p);
    rv = apr_thread_create(&t2, NULL, time_a_thread, NULL, p);
    rv = apr_thread_create(&t3, NULL, time_a_thread, NULL, p);
#endif

    do_sleep(45);

    return 0;
}