120 lines
3.3 KiB
C
120 lines
3.3 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 - 2017, 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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struct transfer_status {
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CURL *easy;
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int halted;
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int counter; /* count write callback invokes */
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int please; /* number of times xferinfo is called while halted */
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};
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static int please_continue(void *userp,
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curl_off_t dltotal,
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curl_off_t dlnow,
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curl_off_t ultotal,
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curl_off_t ulnow)
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{
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struct transfer_status *st = (struct transfer_status *)userp;
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(void)dltotal;
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(void)dlnow;
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(void)ultotal;
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(void)ulnow;
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if(st->halted) {
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st->please++;
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if(st->please == 2) {
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/* waited enough, unpause! */
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curl_easy_pause(st->easy, CURLPAUSE_CONT);
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}
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}
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fprintf(stderr, "xferinfo: paused %d\n", st->halted);
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return 0; /* go on */
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}
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static size_t header_callback(void *ptr, size_t size, size_t nmemb,
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void *userp)
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{
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size_t len = size * nmemb;
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(void)userp;
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(void)fwrite(ptr, size, nmemb, stdout);
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return len;
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}
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static size_t write_callback(void *ptr, size_t size, size_t nmemb, void *userp)
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{
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struct transfer_status *st = (struct transfer_status *)userp;
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size_t len = size * nmemb;
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st->counter++;
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if(st->counter > 1) {
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/* the first call puts us on pause, so subsequent calls are after
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unpause */
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fwrite(ptr, size, nmemb, stdout);
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return len;
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}
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printf("Got %d bytes but pausing!\n", (int)len);
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st->halted = 1;
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return CURL_WRITEFUNC_PAUSE;
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}
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int test(char *URL)
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{
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CURL *curls = NULL;
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int i = 0;
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int res = 0;
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struct transfer_status st;
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start_test_timing();
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memset(&st, 0, sizeof(st));
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global_init(CURL_GLOBAL_ALL);
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easy_init(curls);
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st.easy = curls; /* to allow callbacks access */
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easy_setopt(curls, CURLOPT_URL, URL);
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easy_setopt(curls, CURLOPT_WRITEFUNCTION, write_callback);
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easy_setopt(curls, CURLOPT_WRITEDATA, &st);
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easy_setopt(curls, CURLOPT_HEADERFUNCTION, header_callback);
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easy_setopt(curls, CURLOPT_HEADERDATA, &st);
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easy_setopt(curls, CURLOPT_XFERINFOFUNCTION, please_continue);
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easy_setopt(curls, CURLOPT_XFERINFODATA, &st);
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easy_setopt(curls, CURLOPT_NOPROGRESS, 0L);
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res = curl_easy_perform(curls);
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test_cleanup:
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curl_easy_cleanup(curls);
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curl_global_cleanup();
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if(res)
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i = res;
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return i; /* return the final return code */
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}
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