nuttx-apps/examples/udp/udp_cmdline.c
Alin Jerpelea 6bc7a448de examples: author: Gregory Nutt: update licenses to Apache
Gregory Nutt is has submitted the SGA

as a result we can migrate the licenses to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-06-15 05:16:58 -05:00

109 lines
3.7 KiB
C

/****************************************************************************
* examples/udp/udp_cmdline.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* 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];
#else
uint32_t g_udpserver_ipv4;
#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)
{
/* Init the default IP address. */
#ifdef CONFIG_EXAMPLES_UDP_IPv6
g_udpserver_ipv6[0] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_1);
g_udpserver_ipv6[1] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_2);
g_udpserver_ipv6[2] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_3);
g_udpserver_ipv6[3] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_4);
g_udpserver_ipv6[4] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_5);
g_udpserver_ipv6[5] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_6);
g_udpserver_ipv6[6] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_7);
g_udpserver_ipv6[7] = HTONS(CONFIG_EXAMPLES_UDP_SERVERIPv6ADDR_8);
#else
g_udpserver_ipv4 = HTONL(CONFIG_EXAMPLES_UDP_SERVERIP);
#endif
/* Currently only a single command line option is supported: The server
* IP address. Used to override default.
*/
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]);
}
}