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127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "test.h"
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#include <fcntl.h>
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#include "testutil.h"
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#include "warnless.h"
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#include "memdebug.h"
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#define TEST_HANG_TIMEOUT 30 * 1000
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/* 500 milliseconds allowed. An extreme number but lets be really conservative
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to allow old and slow machines to run this test too */
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#define MAX_BLOCKED_TIME_US 500000
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/* return the number of microseconds between two time stamps */
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static int elapsed(struct timeval *before,
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struct timeval *after)
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{
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ssize_t result;
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result = (after->tv_sec - before->tv_sec) * 1000000 +
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after->tv_usec - before->tv_usec;
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if(result < 0)
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result = 0;
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return curlx_sztosi(result);
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}
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int test(char *URL)
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{
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CURL *handle = NULL;
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CURLM *mhandle = NULL;
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int res = 0;
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int still_running = 0;
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start_test_timing();
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global_init(CURL_GLOBAL_ALL);
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easy_init(handle);
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easy_setopt(handle, CURLOPT_URL, URL);
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easy_setopt(handle, CURLOPT_VERBOSE, 1L);
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multi_init(mhandle);
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multi_add_handle(mhandle, handle);
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multi_perform(mhandle, &still_running);
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abort_on_test_timeout();
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while(still_running) {
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struct timeval timeout;
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fd_set fdread;
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fd_set fdwrite;
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fd_set fdexcep;
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int maxfd = -99;
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struct timeval before;
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struct timeval after;
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int e;
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timeout.tv_sec = 0;
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timeout.tv_usec = 100000L; /* 100 ms */
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FD_ZERO(&fdread);
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FD_ZERO(&fdwrite);
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FD_ZERO(&fdexcep);
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multi_fdset(mhandle, &fdread, &fdwrite, &fdexcep, &maxfd);
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/* At this point, maxfd is guaranteed to be greater or equal than -1. */
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select_test(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
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abort_on_test_timeout();
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fprintf(stderr, "ping\n");
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before = tutil_tvnow();
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multi_perform(mhandle, &still_running);
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abort_on_test_timeout();
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after = tutil_tvnow();
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e = elapsed(&before, &after);
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fprintf(stderr, "pong = %d\n", e);
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if(e > MAX_BLOCKED_TIME_US) {
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res = 100;
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break;
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}
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}
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test_cleanup:
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/* undocumented cleanup sequence - type UA */
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curl_multi_cleanup(mhandle);
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curl_easy_cleanup(handle);
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curl_global_cleanup();
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return res;
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}
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