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5d15d97418
Refactor netlib_check_ipconnectivity() to use gateway/router ping instead of DNS server ping for network connectivity checks. Add IPv6 support. Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_checkifconnectivity.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 <nuttx/debug.h>
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#include <arpa/inet.h>
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#include <nuttx/net/ip.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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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_check_ifconnectivity
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*
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* Description:
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* Check network connectivity by pinging the default gateway
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* of the specified network interface.
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*
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* Parameters:
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* ifname The name of the interface to use
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* timeout The timeout of 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 gateway reply of ping; a negative on failure.
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*
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****************************************************************************/
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int netlib_check_ifconnectivity(FAR const char *ifname,
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int timeout, int retry)
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{
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int ret;
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char destip[INET_ADDRSTRLEN];
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struct in_addr addr;
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ret = netlib_get_dripv4addr(ifname, &addr);
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if (ret < 0)
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{
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nerr("ERROR: failed to get gateway ip %s\n", ifname);
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return ret;
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}
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if (net_ipv4addr_cmp(&addr, INADDR_ANY))
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{
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nerr("ERROR: failed to get gateway ip %s\n", ifname);
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return -EINVAL;
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}
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inet_ntop(AF_INET, &addr, destip, sizeof(destip));
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ninfo("ping gateway %s \n", destip);
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return netlib_check_ipconnectivity(destip, timeout, retry);
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}
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#endif /* CONFIG_NETUTILS_PING */
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