zs39 opened a new pull request, #3298:
URL: https://github.com/apache/nuttx-apps/pull/3298
## Summary
To avoid attempting device bonding due to an unclean stack space.
## Impact
Only affects the connectivity detection API
## Testing
The following code was successfully tested on the sim.
```
/****************************************************************************
* apps/examples/hello/hello_main.c
*
* SPDX-License-Identifier: Apache-2.0
*
* 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 <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#ifdef CONFIG_NETUTILS_PING
#include <netutils/netlib.h>
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* hello_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
printf("Hello, World!!\n");
#ifdef CONFIG_NETUTILS_PING
const char *ip = "10.0.1.1";
int timeout = 5000; /* 5 seconds (in milliseconds) */
int retry = 3; /* 3 times */
int replies;
/* Optional: timeout and retry from command line */
if (argc > 1)
{
timeout = atoi(argv[1]);
}
if (argc > 2)
{
retry = atoi(argv[2]);
}
printf("\n=== Network IP Connectivity Test ===\n");
printf("Target IP: %s\n", ip);
printf("Timeout: %d ms\n", timeout);
printf("Retry: %d times\n", retry);
printf("Checking connectivity by pinging %s...\n\n", ip);
replies = netlib_check_ipconnectivity(ip, timeout, retry);
if (replies > 0)
{
printf("SUCCESS: IP %s is reachable!\n", ip);
printf("Received %d ping reply(ies) from %s.\n", replies, ip);
return 0;
}
else if (replies == 0)
{
printf("FAILED: IP %s is not reachable.\n", ip);
printf("No ping replies received from %s.\n", ip);
return 1;
}
else
{
printf("ERROR: Failed to check connectivity for %s.\n", ip);
printf("Error code: %d (errno: %d)\n", replies, errno);
return 1;
}
#else
printf("\nNote: Network connectivity check is disabled.\n");
printf("Enable CONFIG_NETUTILS_PING to use this feature.\n");
return 0;
#endif
}
```
The execution result is as follows
```
nsh> hello
Hello, World!!
=== Network IP Connectivity Test ===
Target IP: 10.0.1.1
Timeout: 5000 ms
Retry: 3 times
Checking connectivity by pinging 10.0.1.1...
SUCCESS: IP 10.0.1.1 is reachable!
Received 3 ping reply(ies) from 10.0.1.1.
```
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