119 lines
4.2 KiB
C
119 lines
4.2 KiB
C
/****************************************************************************
|
|
* examples/udp/udp_cmdline.c
|
|
*
|
|
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the name NuttX 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 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <arpa/inet.h>
|
|
|
|
#include "udp.h"
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_EXAMPLES_UDP_IPv6
|
|
uint16_t g_udpserver_ipv6[8] =
|
|
{
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_1),
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_2),
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_3),
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_4),
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_5),
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_6),
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_7),
|
|
HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_8)
|
|
};
|
|
#else
|
|
uint32_t g_udpserver_ipv4 = HTONL(CONFIG_EXAMPLES_UDP_SERVERIP);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* show_usage
|
|
****************************************************************************/
|
|
|
|
static void show_usage(FAR const char *progname)
|
|
{
|
|
fprintf(stderr, "USAGE: %s [<server-addr>]\n", progname);
|
|
exit(1);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* udp_cmdline
|
|
****************************************************************************/
|
|
|
|
void udp_cmdline(int argc, char **argv)
|
|
{
|
|
/* Currently only a single command line option is supported: The server
|
|
* IP address.
|
|
*/
|
|
|
|
if (argc == 2)
|
|
{
|
|
int ret;
|
|
|
|
/* Convert the <server-addr> argument into a binary address */
|
|
|
|
#ifdef CONFIG_EXAMPLES_UDP_IPv6
|
|
ret = inet_pton(AF_INET6, argv[1], g_udpserver_ipv6);
|
|
#else
|
|
ret = inet_pton(AF_INET, argv[1], &g_udpserver_ipv4);
|
|
#endif
|
|
if (ret < 0)
|
|
{
|
|
fprintf(stderr, "ERROR: <server-addr> is invalid\n");
|
|
show_usage(argv[0]);
|
|
}
|
|
}
|
|
else if (argc != 1)
|
|
{
|
|
fprintf(stderr, "ERROR: Too many arguments\n");
|
|
show_usage(argv[0]);
|
|
}
|
|
}
|