f-stack/dpdk/examples/quota_watermark/qwctl/qwctl.c

/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
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 *
 *     * Redistributions of source code must retain the above copyright
 *       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
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       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
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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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;
}