unixsocket.c (2023B)
1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9 * 10 * This software is licensed as described in the file COPYING, which 11 * you should have received as part of this distribution. The terms 12 * are also available at https://curl.se/docs/copyright.html. 13 * 14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 * copies of the Software, and permit persons to whom the Software is 16 * furnished to do so, under the terms of the COPYING file. 17 * 18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 * KIND, either express or implied. 20 * 21 * SPDX-License-Identifier: curl 22 * 23 ***************************************************************************/ 24 /* <DESC> 25 * Access HTTP server over Unix domain socket 26 * </DESC> 27 */ 28 #include <stdio.h> 29 #include <curl/curl.h> 30 31 #ifdef USE_ABSTRACT 32 /* 33 * The abstract socket namespace is a nonportable Linux extension. The name 34 * has no connection with filesystem pathnames. 35 */ 36 #define ABSTRACT "http-unix-domain" 37 #else 38 #define PATH "/tmp/http-unix-domain" 39 #endif 40 41 int main(void) 42 { 43 CURL *curl; 44 CURLcode res; 45 46 curl = curl_easy_init(); 47 if(curl) { 48 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com"); 49 50 #ifdef USE_ABSTRACT 51 curl_easy_setopt(curl, CURLOPT_ABSTRACT_UNIX_SOCKET, ABSTRACT); 52 #else 53 curl_easy_setopt(curl, CURLOPT_UNIX_SOCKET_PATH, PATH); 54 #endif 55 56 /* Perform the request, res gets the return code */ 57 res = curl_easy_perform(curl); 58 /* Check for errors */ 59 if(res != CURLE_OK) 60 fprintf(stderr, "curl_easy_perform() failed: %s\n", 61 curl_easy_strerror(res)); 62 63 /* always cleanup */ 64 curl_easy_cleanup(curl); 65 } 66 return 0; 67 }