zs39 opened a new pull request, #3304:
URL: https://github.com/apache/nuttx-apps/pull/3304
## Summary
Add netlib_check_httpconnectivity() to verify HTTP service connectivity by
sending GET request and validating status code.
## Impact
The new features have no impact.
## Testing
Use the demo below for testing.
```
/****************************************************************************
* 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 <string.h>
#include <errno.h>
#include <netutils/netlib.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* hello_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
const char *host = "www.example.com";
const char *path = "";
int port = 80;
int expect_code = 200;
int ret;
printf("Hello, World!!\n");
printf("\n");
printf("========================================\n");
printf("HTTP Connectivity Test\n");
printf("========================================\n");
printf("\n");
printf("Testing: http://%s:%d/%s\n";, host, port, path);
printf("Expected HTTP status code: %d\n", expect_code);
printf("\n");
printf("Checking HTTP connectivity...\n");
ret = netlib_check_httpconnectivity(host, path, port, expect_code);
printf("\n");
printf("========================================\n");
if (ret == 0)
{
printf("SUCCESS: HTTP connectivity check passed!\n");
printf("Server returned expected status code: %d\n", expect_code);
}
else
{
printf("FAILED: HTTP connectivity check failed!\n");
if (ret < 0)
{
if (ret > -1000)
{
printf("HTTP Status Code: %d (expected %d)\n",
-ret, expect_code);
}
else
{
printf("Error: %s\n", strerror(-ret));
}
}
}
printf("========================================\n");
return (ret == 0) ? 0 : 1;
}
```
The results are as follows
```
nsh> hello
Hello, World!!
========================================
HTTP Connectivity Test
========================================
Testing: http://www.example.com:80/
Expected HTTP status code: 200
Checking HTTP connectivity...
========================================
SUCCESS: HTTP connectivity check passed!
Server returned expected status code: 200
========================================
```
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