examples/quota_watermark/qwctl/qwctl.c

/*-
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 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
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 *   modification, are permitted provided that the following conditions
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 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
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 *       distribution.
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 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include <fcntl.h>
#include <stdio.h>
#include <termios.h>
#include <unistd.h>
#include <sys/mman.h>

#include <rte_eal.h>

#include <rte_log.h>
#include <rte_memzone.h>

#include <cmdline_rdline.h>
#include <cmdline_parse.h>
#include <cmdline_socket.h>
#include <cmdline.h>


#include "qwctl.h"
#include "commands.h"
#include "../include/conf.h"


int *quota;
unsigned int *low_watermark;
unsigned int *high_watermark;


static void
setup_shared_variables(void)
{
    const struct rte_memzone *qw_memzone;

    qw_memzone = rte_memzone_lookup(QUOTA_WATERMARK_MEMZONE_NAME);
    if (qw_memzone == NULL)
        rte_exit(EXIT_FAILURE, "Couldn't find memzone\n");

    quota = qw_memzone->addr;
    low_watermark = (unsigned int *) qw_memzone->addr + 1;
    high_watermark = (unsigned int *) qw_memzone->addr + 2;
}

int main(int argc, char **argv)
{
    int ret;
    struct cmdline *cl;

    rte_log_set_global_level(RTE_LOG_INFO);

    ret = rte_eal_init(argc, argv);
    if (ret < 0)
        rte_exit(EXIT_FAILURE, "Cannot initialize EAL\n");

    setup_shared_variables();

    cl = cmdline_stdin_new(qwctl_ctx, "qwctl> ");
    if (cl == NULL)
        rte_exit(EXIT_FAILURE, "Cannot create cmdline instance\n");

    cmdline_interact(cl);
    cmdline_stdin_exit(cl);

    return 0;
}