152 lines
3.9 KiB
C
152 lines
3.9 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) 2019, 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 "testutil.h"
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#include "warnless.h"
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#include "memdebug.h"
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#ifdef HAVE_PTHREAD_H
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#include <pthread.h>
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#include <time.h>
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/* number of threads to fire up in parallel */
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#define NUM_THREADS 67
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/* for how many seconds each thread will loop */
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#define RUN_FOR_SECONDS 7
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static pthread_mutex_t connlock;
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static size_t write_db(void *ptr, size_t size, size_t nmemb, void *data)
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{
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/* not interested in the downloaded bytes, return the size */
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(void)ptr; /* unused */
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(void)data; /* unused */
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return (size_t)(size * nmemb);
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}
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static void lock_cb(CURL *handle, curl_lock_data data,
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curl_lock_access access, void *userptr)
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{
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(void)access; /* unused */
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(void)userptr; /* unused */
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(void)handle; /* unused */
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(void)data; /* unused */
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pthread_mutex_lock(&connlock);
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}
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static void unlock_cb(CURL *handle, curl_lock_data data,
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void *userptr)
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{
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(void)userptr; /* unused */
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(void)handle; /* unused */
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(void)data; /* unused */
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pthread_mutex_unlock(&connlock);
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}
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static void init_locks(void)
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{
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pthread_mutex_init(&connlock, NULL);
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}
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static void kill_locks(void)
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{
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pthread_mutex_destroy(&connlock);
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}
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struct initurl {
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const char *url;
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CURLSH *share;
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int threadno;
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};
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static void *run_thread(void *ptr)
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{
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struct initurl *u = (struct initurl *)ptr;
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int i;
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time_t end = time(NULL) + RUN_FOR_SECONDS;
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for(i = 0; time(NULL) < end; i++) {
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CURL *curl = curl_easy_init();
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curl_easy_setopt(curl, CURLOPT_URL, u->url);
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);
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curl_easy_setopt(curl, CURLOPT_SHARE, u->share);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_db);
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curl_easy_perform(curl); /* ignores error */
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curl_easy_cleanup(curl);
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fprintf(stderr, "Thread %d transfer %d\n", u->threadno, i);
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}
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return NULL;
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}
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int test(char *URL)
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{
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pthread_t tid[NUM_THREADS];
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int i;
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int error;
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CURLSH *share;
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struct initurl url[NUM_THREADS];
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/* Must initialize libcurl before any threads are started */
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curl_global_init(CURL_GLOBAL_ALL);
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share = curl_share_init();
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curl_share_setopt(share, CURLSHOPT_LOCKFUNC, lock_cb);
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curl_share_setopt(share, CURLSHOPT_UNLOCKFUNC, unlock_cb);
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curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_CONNECT);
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init_locks();
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for(i = 0; i< NUM_THREADS; i++) {
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url[i].url = URL;
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url[i].share = share;
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url[i].threadno = i;
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error = pthread_create(&tid[i], NULL, run_thread, &url[i]);
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if(0 != error)
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fprintf(stderr, "Couldn't run thread number %d, errno %d\n", i, error);
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else
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fprintf(stderr, "Thread %d, gets %s\n", i, URL);
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}
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/* now wait for all threads to terminate */
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for(i = 0; i< NUM_THREADS; i++) {
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error = pthread_join(tid[i], NULL);
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fprintf(stderr, "Thread %d terminated\n", i);
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}
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kill_locks();
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curl_share_cleanup(share);
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curl_global_cleanup();
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return 0;
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}
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#else /* without pthread, this test doesn't work */
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int test(char *URL)
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{
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(void)URL;
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return 0;
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}
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#endif
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