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#include "test.h" 25 26#include <fcntl.h> 27 28#include "testutil.h" 29#include "warnless.h" 30#include "memdebug.h" 31 32#define TEST_HANG_TIMEOUT 30 * 1000 33 34/* 500 milliseconds allowed. An extreme number but lets be really conservative 35 to allow old and slow machines to run this test too */ 36#define MAX_BLOCKED_TIME_MS 500 37 38int test(char *URL) 39{ 40 CURL *handle = NULL; 41 CURLM *mhandle = NULL; 42 int res = 0; 43 int still_running = 0; 44 45 start_test_timing(); 46 47 global_init(CURL_GLOBAL_ALL); 48 49 easy_init(handle); 50 51 easy_setopt(handle, CURLOPT_URL, URL); 52 easy_setopt(handle, CURLOPT_VERBOSE, 1L); 53 54 multi_init(mhandle); 55 56 multi_add_handle(mhandle, handle); 57 58 multi_perform(mhandle, &still_running); 59 60 abort_on_test_timeout(); 61 62 while(still_running) { 63 struct timeval timeout; 64 fd_set fdread; 65 fd_set fdwrite; 66 fd_set fdexcep; 67 int maxfd = -99; 68 struct timeval before; 69 struct timeval after; 70 long e; 71 72 timeout.tv_sec = 0; 73 timeout.tv_usec = 100000L; /* 100 ms */ 74 75 FD_ZERO(&fdread); 76 FD_ZERO(&fdwrite); 77 FD_ZERO(&fdexcep); 78 79 multi_fdset(mhandle, &fdread, &fdwrite, &fdexcep, &maxfd); 80 81 /* At this point, maxfd is guaranteed to be greater or equal than -1. */ 82 83 select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout); 84 85 abort_on_test_timeout(); 86 87 fprintf(stderr, "ping\n"); 88 before = tutil_tvnow(); 89 90 multi_perform(mhandle, &still_running); 91 92 abort_on_test_timeout(); 93 94 after = tutil_tvnow(); 95 e = tutil_tvdiff(after, before); 96 fprintf(stderr, "pong = %ld\n", e); 97 98 if(e > MAX_BLOCKED_TIME_MS) { 99 res = 100; 100 break; 101 } 102 } 103 104test_cleanup: 105 106 /* undocumented cleanup sequence - type UA */ 107 108 curl_multi_cleanup(mhandle); 109 curl_easy_cleanup(handle); 110 curl_global_cleanup(); 111 112 return res; 113} 114