133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
|
/***************************************************************************
|
||
|
|
* _ _ ____ _
|
||
|
|
* Project ___| | | | _ \| |
|
||
|
|
* / __| | | | |_) | |
|
||
|
|
* | (__| |_| | _ <| |___
|
||
|
|
* \___|\___/|_| \_\_____|
|
||
|
|
*
|
||
|
|
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
|
||
|
|
*
|
||
|
|
* This software is licensed as described in the file COPYING, which
|
||
|
|
* you should have received as part of this distribution. The terms
|
||
|
|
* are also available at https://curl.se/docs/copyright.html.
|
||
|
|
*
|
||
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
||
|
|
* copies of the Software, and permit persons to whom the Software is
|
||
|
|
* furnished to do so, under the terms of the COPYING file.
|
||
|
|
*
|
||
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
* KIND, either express or implied.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: curl
|
||
|
|
*
|
||
|
|
***************************************************************************/
|
||
|
|
#include "tool_setup.h"
|
||
|
|
|
||
|
|
#ifdef HAVE_SYS_SELECT_H
|
||
|
|
#include <sys/select.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define ENABLE_CURLX_PRINTF
|
||
|
|
/* use our own printf() functions */
|
||
|
|
#include "curlx.h"
|
||
|
|
|
||
|
|
#include "tool_cfgable.h"
|
||
|
|
#include "tool_cb_rea.h"
|
||
|
|
#include "tool_operate.h"
|
||
|
|
#include "tool_util.h"
|
||
|
|
#include "tool_msgs.h"
|
||
|
|
|
||
|
|
#include "memdebug.h" /* keep this as LAST include */
|
||
|
|
|
||
|
|
/*
|
||
|
|
** callback for CURLOPT_READFUNCTION
|
||
|
|
*/
|
||
|
|
|
||
|
|
size_t tool_read_cb(char *buffer, size_t sz, size_t nmemb, void *userdata)
|
||
|
|
{
|
||
|
|
ssize_t rc = 0;
|
||
|
|
struct per_transfer *per = userdata;
|
||
|
|
struct OperationConfig *config = per->config;
|
||
|
|
|
||
|
|
if((per->uploadfilesize != -1) &&
|
||
|
|
(per->uploadedsofar == per->uploadfilesize)) {
|
||
|
|
/* done */
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(config->timeout_ms) {
|
||
|
|
struct timeval now = tvnow();
|
||
|
|
long msdelta = tvdiff(now, per->start);
|
||
|
|
|
||
|
|
if(msdelta > config->timeout_ms)
|
||
|
|
/* timeout */
|
||
|
|
return 0;
|
||
|
|
#ifndef _WIN32
|
||
|
|
/* this logic waits on read activity on a file descriptor that is not a
|
||
|
|
socket which makes it not work with select() on Windows */
|
||
|
|
else {
|
||
|
|
fd_set bits;
|
||
|
|
struct timeval timeout;
|
||
|
|
long wait = config->timeout_ms - msdelta;
|
||
|
|
|
||
|
|
/* wait this long at the most */
|
||
|
|
timeout.tv_sec = wait/1000;
|
||
|
|
timeout.tv_usec = (int)((wait%1000)*1000);
|
||
|
|
|
||
|
|
FD_ZERO(&bits);
|
||
|
|
FD_SET(per->infd, &bits);
|
||
|
|
if(!select(per->infd + 1, &bits, NULL, NULL, &timeout))
|
||
|
|
return 0; /* timeout */
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
rc = read(per->infd, buffer, sz*nmemb);
|
||
|
|
if(rc < 0) {
|
||
|
|
if(errno == EAGAIN) {
|
||
|
|
errno = 0;
|
||
|
|
config->readbusy = TRUE;
|
||
|
|
return CURL_READFUNC_PAUSE;
|
||
|
|
}
|
||
|
|
/* since size_t is unsigned we can't return negative values fine */
|
||
|
|
rc = 0;
|
||
|
|
}
|
||
|
|
if((per->uploadfilesize != -1) &&
|
||
|
|
(per->uploadedsofar + rc > per->uploadfilesize)) {
|
||
|
|
/* do not allow uploading more than originally set out to do */
|
||
|
|
curl_off_t delta = per->uploadedsofar + rc - per->uploadfilesize;
|
||
|
|
warnf(per->config->global, "File size larger in the end than when "
|
||
|
|
"started. Dropping at least %" CURL_FORMAT_CURL_OFF_T " bytes",
|
||
|
|
delta);
|
||
|
|
rc = (ssize_t)(per->uploadfilesize - per->uploadedsofar);
|
||
|
|
}
|
||
|
|
config->readbusy = FALSE;
|
||
|
|
|
||
|
|
/* when select() returned zero here, it timed out */
|
||
|
|
return (size_t)rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** callback for CURLOPT_XFERINFOFUNCTION used to unpause busy reads
|
||
|
|
*/
|
||
|
|
|
||
|
|
int tool_readbusy_cb(void *clientp,
|
||
|
|
curl_off_t dltotal, curl_off_t dlnow,
|
||
|
|
curl_off_t ultotal, curl_off_t ulnow)
|
||
|
|
{
|
||
|
|
struct per_transfer *per = clientp;
|
||
|
|
struct OperationConfig *config = per->config;
|
||
|
|
|
||
|
|
(void)dltotal; /* unused */
|
||
|
|
(void)dlnow; /* unused */
|
||
|
|
(void)ultotal; /* unused */
|
||
|
|
(void)ulnow; /* unused */
|
||
|
|
|
||
|
|
if(config->readbusy) {
|
||
|
|
config->readbusy = FALSE;
|
||
|
|
curl_easy_pause(per->curl, CURLPAUSE_CONT);
|
||
|
|
}
|
||
|
|
|
||
|
|
return per->noprogress? 0 : CURL_PROGRESSFUNC_CONTINUE;
|
||
|
|
}
|