80 lines
2.6 KiB
Groff
80 lines
2.6 KiB
Groff
|
.\" **************************************************************************
|
||
|
|
.\" * _ _ ____ _
|
||
|
|
.\" * Project ___| | | | _ \| |
|
||
|
|
.\" * / __| | | | |_) | |
|
||
|
|
.\" * | (__| |_| | _ <| |___
|
||
|
|
.\" * \___|\___/|_| \_\_____|
|
||
|
|
.\" *
|
||
|
|
.\" * Copyright (C) 1998 - 2017, 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.haxx.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.
|
||
|
|
.\" *
|
||
|
|
.\" **************************************************************************
|
||
|
|
.\"
|
||
|
|
.TH CURLMOPT_PUSHDATA 3 "1 Jun 2015" "libcurl 7.44.0" "curl_multi_setopt options"
|
||
|
|
.SH NAME
|
||
|
|
CURLMOPT_PUSHDATA \- pointer to pass to push callback
|
||
|
|
.SH SYNOPSIS
|
||
|
|
.nf
|
||
|
|
#include <curl/curl.h>
|
||
|
|
|
||
|
|
CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_PUSHDATA, void *pointer);
|
||
|
|
.fi
|
||
|
|
.SH DESCRIPTION
|
||
|
|
Set \fIpointer\fP to pass as the last argument to the
|
||
|
|
\fICURLMOPT_PUSHFUNCTION(3)\fP callback. The pointer will not be touched or
|
||
|
|
used by libcurl itself, only passed on to the callback function.
|
||
|
|
.SH DEFAULT
|
||
|
|
NULL
|
||
|
|
.SH PROTOCOLS
|
||
|
|
HTTP(S)
|
||
|
|
.SH EXAMPLE
|
||
|
|
.nf
|
||
|
|
/* only allow pushes for file names starting with "push-" */
|
||
|
|
int push_callback(CURL *parent,
|
||
|
|
CURL *easy,
|
||
|
|
size_t num_headers,
|
||
|
|
struct curl_pushheaders *headers,
|
||
|
|
void *userp)
|
||
|
|
{
|
||
|
|
char *headp;
|
||
|
|
int *transfers = (int *)userp;
|
||
|
|
FILE *out;
|
||
|
|
headp = curl_pushheader_byname(headers, ":path");
|
||
|
|
if(headp && !strncmp(headp, "/push-", 6)) {
|
||
|
|
fprintf(stderr, "The PATH is %s\\n", headp);
|
||
|
|
|
||
|
|
/* save the push here */
|
||
|
|
out = fopen("pushed-stream", "wb");
|
||
|
|
|
||
|
|
/* write to this file */
|
||
|
|
curl_easy_setopt(easy, CURLOPT_WRITEDATA, out);
|
||
|
|
|
||
|
|
(*transfers)++; /* one more */
|
||
|
|
|
||
|
|
return CURL_PUSH_OK;
|
||
|
|
}
|
||
|
|
return CURL_PUSH_DENY;
|
||
|
|
}
|
||
|
|
|
||
|
|
curl_multi_setopt(multi, CURLMOPT_PUSHFUNCTION, push_callback);
|
||
|
|
curl_multi_setopt(multi, CURLMOPT_PUSHDATA, &counter);
|
||
|
|
.fi
|
||
|
|
.SH AVAILABILITY
|
||
|
|
Added in 7.44.0
|
||
|
|
.SH RETURN VALUE
|
||
|
|
Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
.BR CURLMOPT_PUSHFUNCTION "(3), " CURLMOPT_PIPELINING "(3), "
|
||
|
|
.BR CURLOPT_PIPEWAIT "(3), "
|
||
|
|
.BR RFC 7540
|