Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_STREAM_WEIGHT.3 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .\"
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23 .TH CURLOPT_STREAM_WEIGHT 3 "13 Sep 2015" "libcurl 7.46.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_STREAM_WEIGHT \- set numerical stream weight
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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28
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_STREAM_WEIGHT, long weight);
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30 .SH DESCRIPTION
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31 Set the long \fIweight\fP to a number between 1 and 256.
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32
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33 When using HTTP/2, this option sets the individual weight for this particular
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34 stream used by the easy \fIhandle\fP. Setting and using weights only makes
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35 sense and is only usable when doing multiple streams over the same
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36 connections, which thus implies that you use \fICURLMOPT_PIPELINING(3)\fP.
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37
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38 This option can be set during transfer and will then cause the updated weight
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39 info get sent to the server the next time an HTTP/2 frame is sent to the
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40 server.
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41
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42 See section 5.3 of RFC 7540 for protocol details:
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43 https://httpwg.github.io/specs/rfc7540.html#StreamPriority
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44
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45 Streams with the same parent should be allocated resources proportionally
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46 based on their weight. So if you have two streams going, stream A with weight
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47 16 and stream B with weight 32, stream B will get two thirds (32/48) of the
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48 available bandwidth (assuming the server can send off the data equally for
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49 both streams).
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50 .SH DEFAULT
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51 If nothing is set, the HTTP/2 protocol itself will use its own default which
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52 is 16.
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53 .SH PROTOCOLS
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54 HTTP/2
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55 .SH EXAMPLE
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56 .nf
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57 CURL *curl = curl_easy_init();
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58 CURL *curl2 = curl_easy_init(); /* a second handle */
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59 if(curl) {
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60 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/one");
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61 curl_easy_setopt(curl, CURLOPT_STREAM_WEIGHT, 10L);
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62
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63 /* the second has twice the weight */
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64 curl_easy_setopt(curl2, CURLOPT_URL, "https://example.com/two");
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65 curl_easy_setopt(curl2, CURLOPT_STREAM_WEIGHT, 20L);
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66
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67 /* then add both to a multi handle and transfer them! */
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68 }
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69 .fi
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70 .SH AVAILABILITY
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71 Added in 7.46.0
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72 .SH RETURN VALUE
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73 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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74 .SH "SEE ALSO"
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75 .BR CURLOPT_STREAM_DEPENDS "(3), " CURLOPT_STREAM_DEPENDS_E "(3), "
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76 .BR CURLOPT_PIPEWAIT "(3), " CURLMOPT_PIPELINING "(3), "