unixsocket.c

/***************************************************************************
 * _ _ ____ _
 * Project ___| | | | _ \| |
 * / __| | | | |_) | |
 * | (__| |_| | _ <| |___
 * \___|\___/|_| \_\_____|
 *
 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * SPDX-License-Identifier: curl
 *
 ***************************************************************************/
/* <DESC>
 * Access HTTP server over Unix domain socket
 * </DESC>
 */
#include <stdio.h>
#include <curl/curl.h>
 
#ifdef USE_ABSTRACT
/*
 * The abstract socket namespace is a nonportable Linux extension. The name
 * has no connection with file system pathnames.
 */
#define ABSTRACT "http-unix-domain"
#else
#define PATH "/tmp/http-unix-domain"
#endif
 
int main(void)
{
 CURL *curl;
 
 CURLcode res = curl_global_init(CURL_GLOBAL_ALL);
 if(res)
 return (int)res;
 
 curl = curl_easy_init();
 if(curl) {
 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
 
#ifdef USE_ABSTRACT
 curl_easy_setopt(curl, CURLOPT_ABSTRACT_UNIX_SOCKET, ABSTRACT);
#else
 curl_easy_setopt(curl, CURLOPT_UNIX_SOCKET_PATH, PATH);
#endif
 
 /* Perform the request, res gets the return code */
 res = curl_easy_perform(curl);
 /* Check for errors */
 if(res != CURLE_OK)
 fprintf(stderr, "curl_easy_perform() failed: %s\n",
 curl_easy_strerror(res));
 
 /* always cleanup */
 curl_easy_cleanup(curl);
 }
 curl_global_cleanup();
 return (int)res;
}

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