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https://github.com/moparisthebest/curl
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progress: prevent resetting t_starttransfer
Prevent `Curl_pgrsTime` from modifying `t_starttransfer` when invoked with `TIMER_STARTTRANSFER` more than once during a single request. When a redirect occurs, this is considered a new request and `t_starttransfer` can be updated to reflect the `t_starttransfer` time of the redirect request. Closes #1616 Bug: https://github.com/curl/curl/pull/1602#issuecomment-310267370
This commit is contained in:
Ryan Winograd
Daniel Stenberg
parent
ef2a9f22cc
commit
f8f040e659
@ -161,6 +161,9 @@ void Curl_pgrsResetTimesSizes(struct Curl_easy *data)
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Curl_pgrsSetUploadSize(data, -1);
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}
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/*
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* @unittest: 1399
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*/
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void Curl_pgrsTime(struct Curl_easy *data, timerid timer)
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{
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struct timeval now = Curl_tvnow();
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@ -196,7 +199,18 @@ void Curl_pgrsTime(struct Curl_easy *data, timerid timer)
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break;
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case TIMER_STARTTRANSFER:
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delta = &data->progress.t_starttransfer;
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break;
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/* prevent updating t_starttransfer unless:
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* 1) this is the first time we're setting t_starttransfer
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* 2) a redirect has occurred since the last time t_starttransfer was set
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* This prevents repeated invocations of the function from incorrectly
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* changing the t_starttransfer time.
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*/
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if (*delta > data->progress.t_redirect) {
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return;
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}
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else {
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break;
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}
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case TIMER_POSTRANSFER:
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/* this is the normal end-of-transfer thing */
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break;
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@ -146,7 +146,7 @@ test1364 test1365 test1366 test1367 test1368 test1369 test1370 test1371 \
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test1372 test1373 test1374 test1375 test1376 test1377 test1378 test1379 \
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test1380 test1381 test1382 test1383 test1384 test1385 test1386 test1387 \
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test1388 test1389 test1390 test1391 test1392 test1393 test1394 test1395 \
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test1396 test1397 test1398 \
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test1396 test1397 test1398 test1399 \
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\
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test1400 test1401 test1402 test1403 test1404 test1405 test1406 test1407 \
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test1408 test1409 test1410 test1411 test1412 test1413 test1414 test1415 \
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26
tests/data/test1399
Normal file
26
tests/data/test1399
Normal file
@ -0,0 +1,26 @@
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<testcase>
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<info>
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<keywords>
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unittest
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Curl_pgrsTime
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</keywords>
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</info>
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#
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# Client-side
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<client>
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<server>
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none
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</server>
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<features>
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unittest
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</features>
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<name>
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Curl_pgrsTime unit tests
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</name>
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<tool>
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unit1399
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</tool>
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</client>
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</testcase>
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@ -7,6 +7,7 @@ UNITFILES = curlcheck.h \
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# These are all unit test programs
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UNITPROGS = unit1300 unit1301 unit1302 unit1303 unit1304 unit1305 unit1307 \
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unit1308 unit1309 unit1330 unit1394 unit1395 unit1396 unit1397 unit1398 \
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unit1399 \
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unit1600 unit1601 unit1602 unit1603 unit1604 unit1605 unit1606
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unit1300_SOURCES = unit1300.c $(UNITFILES)
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@ -57,6 +58,9 @@ unit1397_CPPFLAGS = $(AM_CPPFLAGS)
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unit1398_SOURCES = unit1398.c $(UNITFILES)
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unit1398_CPPFLAGS = $(AM_CPPFLAGS)
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unit1399_SOURCES = unit1399.c $(UNITFILES)
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unit1399_CPPFLAGS = $(AM_CPPFLAGS)
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unit1600_SOURCES = unit1600.c $(UNITFILES)
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unit1600_CPPFLAGS = $(AM_CPPFLAGS)
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96
tests/unit/unit1399.c
Normal file
96
tests/unit/unit1399.c
Normal file
@ -0,0 +1,96 @@
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/***************************************************************************
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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 "curlcheck.h"
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#include "urldata.h"
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#include "progress.h"
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static int usec_magnitude = 1000000;
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static bool unit_setup(void)
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{
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return CURLE_OK;
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}
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static void unit_stop(void)
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{
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}
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static bool usec_matches_seconds(time_t time_usec, int expected_seconds)
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{
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int time_sec = (int)(time_usec / usec_magnitude);
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return time_sec == expected_seconds;
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}
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UNITTEST_START
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struct Curl_easy data;
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struct timeval now = Curl_tvnow();
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data.progress.t_starttransfer = 0;
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data.progress.t_redirect = 0;
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/*
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* Set the startsingle time to a second ago. This time is used by
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* Curl_pgrsTime to calculate how much time the events takes.
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* t_starttransfer should be updated to reflect the difference from this time
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* when `Curl_pgrsTime is invoked.
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*/
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data.progress.t_startsingle.tv_sec = now.tv_sec - 1;
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data.progress.t_startsingle.tv_usec = now.tv_usec;
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Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
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fail_unless(usec_matches_seconds(data.progress.t_starttransfer, 1),
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"about 1 second should have passed");
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/*
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* Update the startsingle time to a second ago to simulate another second has
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* passed.
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* Now t_starttransfer should not be changed, as t_starttransfer has already
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* occurred and another invocation of `Curl_pgrsTime` for TIMER_STARTTRANSFER
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* is superfluous.
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*/
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data.progress.t_startsingle.tv_sec = now.tv_sec - 2;
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data.progress.t_startsingle.tv_usec = now.tv_usec;
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Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
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fail_unless(usec_matches_seconds(data.progress.t_starttransfer, 1),
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"about 1 second should have passed");
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/*
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* Simulate what happens after a redirect has occurred.
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*
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* Since the value of t_starttransfer is set to the value from the first
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* request, it should be updated when a transfer occurs such that
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* t_starttransfer is the starttransfer time of the redirect request.
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*/
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data.progress.t_startsingle.tv_sec = now.tv_sec - 3;
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data.progress.t_startsingle.tv_usec = now.tv_usec;
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data.progress.t_redirect = (now.tv_sec - 2) * usec_magnitude;
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Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
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fail_unless(usec_matches_seconds(data.progress.t_starttransfer, 3),
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"about 3 second should have passed");
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UNITTEST_STOP
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