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4382 svoboda 1
/*
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 * Copyright (c) 2009 Jiri Svoboda
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <ipc/ns.h>
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#include <async.h>
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#include <errno.h>
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#include "../tester.h"
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#define DURATION_SECS      10
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#define COUNT_GRANULARITY  100
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char *test_ping_pong(bool quiet)
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{
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    printf("Pinging ns server for %d seconds...\n", DURATION_SECS);
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    struct timeval start;
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    if (gettimeofday(&start, NULL) != 0)
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        return "Failed getting the time.";
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    uint64_t count = 0;
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    while (true) {
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        struct timeval now;
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        if (gettimeofday(&now, NULL) != 0)
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            return "Failed getting the time.";
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        if (tv_sub(&now, &start) >= DURATION_SECS * 1000000L)
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            break;
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        size_t i;
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        for (i = 0; i < COUNT_GRANULARITY; i++) {
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            int retval = async_req_0_0(PHONE_NS, NS_PING);
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            if (retval != EOK)
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                return "Failed to send ping message.";
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        }
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        count += COUNT_GRANULARITY;
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    }
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    printf("Completed %lu round trips in %u seconds, %lu RT/s.\n",
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        count, DURATION_SECS, count / DURATION_SECS);
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    return NULL;
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}