153 lines
4.2 KiB
C
153 lines
4.2 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_checkipconnectivity.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <debug.h>
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#include <arpa/inet.h>
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#include <nuttx/net/ip.h>
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#include <nuttx/net/dns.h>
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#include "netutils/icmp_ping.h"
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#include "netutils/netlib.h"
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#ifdef CONFIG_NETUTILS_PING
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#define PING_IPADDR_DATALEN 80
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int dns_ping_callback(FAR void *arg, FAR struct sockaddr *addr,
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socklen_t addrlen)
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{
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FAR struct ping_info_s *info = (FAR struct ping_info_s *)arg;
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char ip_str[INET_ADDRSTRLEN];
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int count;
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if (addr->sa_family == AF_INET)
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{
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inet_ntop(AF_INET, &((FAR struct sockaddr_in *)addr)->sin_addr,
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ip_str, INET_ADDRSTRLEN);
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info->hostname = ip_str;
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ninfo("ping ipaddr test %s \n", info->hostname);
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icmp_ping(info);
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count = *(FAR int *)info->priv;
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if (count > 0)
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{
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return 1;
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}
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}
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return OK;
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}
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/****************************************************************************
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* Name: ping_ipaddr_callback
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*
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* Description:
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* ping ipaddr callback
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*
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* Parameters:
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* result The result of ping
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*
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****************************************************************************/
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static void ping_ipaddr_callback(FAR const struct ping_result_s *result)
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{
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FAR int *count = result->info->priv;
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if (result->code == ICMP_I_FINISH)
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{
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*count = result->nreplies;
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}
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_check_ipconnectivity
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*
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* Description:
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* Get the network dns status
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*
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* Parameters:
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* ip The ipv4 address to check
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* timeout The max timeout of each ping
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* retry The retry times of ping
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*
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* Return:
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* nums of remote reply of ping; a nagtive on failure
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*
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****************************************************************************/
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int netlib_check_ipconnectivity(FAR const char *ip, int timeout, int retry)
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{
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int replies = 0;
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struct ping_info_s info;
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info.count = retry;
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info.datalen = PING_IPADDR_DATALEN;
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info.delay = 0;
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info.timeout = timeout;
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info.callback = ping_ipaddr_callback;
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info.priv = &replies;
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#ifdef CONFIG_NET_BINDTODEVICE
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info.devname = NULL;
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#endif
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/* if ip is NULL we use default DNS server */
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if (!ip)
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{
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dns_foreach_nameserver(dns_ping_callback, &info);
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}
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else
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{
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info.hostname = ip;
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ninfo("ping ipaddr test %s \n", info.hostname);
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icmp_ping(&info);
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}
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return replies;
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}
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#endif /* CONFIG_NETUTILS_PING */
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