Mercurial > hg > nginx-quic
annotate docs/xslt/changes.xslt @ 7583:efd71d49bde0
Events: available bytes calculation via ioctl(FIONREAD).
This makes it possible to avoid looping for a long time while working
with a fast enough peer when data are added to the socket buffer faster
than we are able to read and process them (ticket #1431). This is
basically what we already do on FreeBSD with kqueue, where information
about the number of bytes in the socket buffer is returned by
the kevent() call.
With other event methods rev->available is now set to -1 when the socket
is ready for reading. Later in ngx_recv() and ngx_recv_chain(), if
full buffer is received, real number of bytes in the socket buffer is
retrieved using ioctl(FIONREAD). Reading more than this number of bytes
ensures that even with edge-triggered event methods the event will be
triggered again, so it is safe to stop processing of the socket and
switch to other connections.
Using ioctl(FIONREAD) only after reading a full buffer is an optimization.
With this approach we only call ioctl(FIONREAD) when there are at least
two recv()/readv() calls.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 17 Oct 2019 16:02:19 +0300 |
parents | b7e02f47a339 |
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rev | line source |
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450 | 1 <?xml version="1.0" encoding="utf-8"?> |
2 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> | |
3 | |
5586 | 4 <xsl:output method="text"/> |
4014 | 5 |
5586 | 6 <xsl:param select="'en'" name="lang"/> |
7 <xsl:param select="'../xml/change_log_conf.xml'" name="configuration"/> | |
4014 | 8 |
5586 | 9 <xsl:variable select="document($configuration)/configuration" name="conf"/> |
10 <xsl:variable select="$conf/start" name="start"/> | |
11 <xsl:variable select="$conf/indent" name="indent"/> | |
12 <xsl:variable select="$conf/length" name="max"/> | |
13 <xsl:variable name="br"><br></xsl:variable> | |
4014 | 14 |
15 | |
5586 | 16 <xsl:template match="/"> <xsl:apply-templates select="change_log"/> </xsl:template> |
17 <xsl:template match="change_log"> <xsl:apply-templates select="changes"/> </xsl:template> | |
4014 | 18 |
19 | |
5586 | 20 <xsl:template match="changes"> |
21 <xsl:text> </xsl:text> | |
450 | 22 |
5586 | 23 <xsl:value-of select="substring(concat($conf/changes[@lang=$lang]/title, |
24 //change_log/@title, | |
25 ' ', @ver, | |
26 ' '), | |
27 1, $conf/changes[@lang=$lang]/length)"/> | |
450 | 28 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
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29 <xsl:if test="$lang='ru'"> |
b7e02f47a339
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parents:
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30 <xsl:value-of select="substring(@date, 9, 2)"/> |
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parents:
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31 <xsl:text>.</xsl:text> |
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parents:
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32 <xsl:value-of select="substring(@date, 6, 2)"/> |
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parents:
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changeset
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33 <xsl:text>.</xsl:text> |
b7e02f47a339
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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34 <xsl:value-of select="substring(@date, 1, 4)"/> |
b7e02f47a339
Docs: changes.xslt regenerated.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
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35 </xsl:if> |
4014 | 36 |
5586 | 37 <xsl:if test="$lang='en'"> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
5586
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changeset
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38 <xsl:value-of select="substring(@date, 9, 2)"/> |
5586 | 39 <xsl:value-of select="$conf/changes[@lang=$lang]/month[number(substring(current()/@date, |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
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40 6, 2))]"/> |
b7e02f47a339
Docs: changes.xslt regenerated.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5586
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changeset
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41 <xsl:value-of select="substring(@date, 1, 4)"/> |
5586 | 42 </xsl:if> |
450 | 43 |
5586 | 44 <xsl:text> </xsl:text> |
45 | |
46 <xsl:apply-templates select="change"/> | |
450 | 47 |
5586 | 48 <xsl:text> </xsl:text> |
49 </xsl:template> | |
4014 | 50 |
450 | 51 |
5586 | 52 <xsl:template match="change"> |
53 <xsl:variable select="$conf/changes[@lang=$lang]/*[local-name(.)=current()/@type]" name="prefix"/> | |
450 | 54 |
5586 | 55 <xsl:variable name="postfix"> <xsl:if test="$prefix"> <xsl:text>: </xsl:text> </xsl:if> </xsl:variable> |
56 | |
57 <xsl:apply-templates select="para[@lang=$lang]"><xsl:with-param select="concat($start, $prefix, $postfix)" name="prefix"/></xsl:apply-templates> | |
58 </xsl:template> | |
450 | 59 |
4014 | 60 |
5586 | 61 <xsl:template name="para" match="para"><xsl:param name="prefix"/> |
62 <xsl:variable name="text"> <xsl:apply-templates/> </xsl:variable> | |
450 | 63 |
5586 | 64 <xsl:text> </xsl:text> |
450 | 65 |
5586 | 66 <xsl:call-template name="wrap"><xsl:with-param select="normalize-space($text)" name="text"/><xsl:with-param name="prefix"> <xsl:choose><xsl:when test="position() = 1"> <xsl:value-of select="$prefix"/> </xsl:when><xsl:otherwise> <xsl:value-of select="$indent"/> </xsl:otherwise></xsl:choose> </xsl:with-param></xsl:call-template></xsl:template> |
67 | |
4014 | 68 |
5586 | 69 <xsl:template name="wrap"><xsl:param name="text"/><xsl:param name="prefix"/> |
70 <xsl:if test="$text"> | |
71 <xsl:variable name="offset"> | |
450 | 72 <xsl:choose> |
5586 | 73 <xsl:when test="starts-with($text, concat($br, ' '))"> |
74 <xsl:value-of select="string-length($br) + 2"/> | |
75 </xsl:when> | |
76 <xsl:when test="starts-with($text, $br)"> | |
77 <xsl:value-of select="string-length($br) + 1"/> | |
78 </xsl:when> | |
79 <xsl:otherwise> | |
80 1 | |
81 </xsl:otherwise> | |
450 | 82 </xsl:choose> |
5586 | 83 </xsl:variable> |
4014 | 84 |
5586 | 85 <xsl:variable name="length"> |
86 <xsl:call-template name="length"><xsl:with-param select="substring($text, $offset)" name="text"/><xsl:with-param select="string-length($prefix)" name="prefix"/><xsl:with-param select="$max" name="length"/></xsl:call-template></xsl:variable> | |
87 | |
88 <xsl:value-of select="$prefix"/> | |
4014 | 89 |
5586 | 90 <xsl:value-of select="normalize-space(translate(substring($text, $offset, $length), |
91 ' ', ' '))"/> | |
450 | 92 |
5586 | 93 <xsl:text> </xsl:text> |
450 | 94 |
5586 | 95 <xsl:call-template name="wrap"><xsl:with-param select="substring($text, $length + $offset)" name="text"/><xsl:with-param select="$indent" name="prefix"/></xsl:call-template></xsl:if> |
96 </xsl:template> | |
450 | 97 |
5586 | 98 |
99 <xsl:template name="length"><xsl:param name="text"/><xsl:param name="prefix"/><xsl:param name="length"/> | |
100 <xsl:variable select="substring-before(substring($text, 1, | |
101 $length - $prefix + string-length($br)), | |
102 $br)" name="break"/> | |
4014 | 103 |
5586 | 104 <xsl:choose> |
105 <xsl:when test="$break"> <xsl:value-of select="string-length($break)"/> </xsl:when> | |
4014 | 106 |
5586 | 107 <xsl:when test="$length = 0"> <xsl:value-of select="$max - $prefix"/> </xsl:when> |
108 | |
109 <xsl:when test="string-length($text) + $prefix <= $length"> | |
450 | 110 <xsl:value-of select="$length - $prefix"/> |
5586 | 111 </xsl:when> |
112 | |
113 <xsl:when test="substring($text, $length - $prefix + 1, 1) = ' '"> | |
4024 | 114 <xsl:value-of select="$length - $prefix + 1"/> |
5586 | 115 </xsl:when> |
4024 | 116 |
5586 | 117 <xsl:otherwise> |
118 <xsl:call-template name="length"><xsl:with-param select="$text" name="text"/><xsl:with-param select="$prefix" name="prefix"/><xsl:with-param select="$length - 1" name="length"/></xsl:call-template></xsl:otherwise> | |
119 </xsl:choose> | |
120 </xsl:template> | |
450 | 121 |
4014 | 122 |
5586 | 123 <xsl:template match="at">@</xsl:template> |
124 <xsl:template match="br"> <xsl:value-of select="$br"/> </xsl:template> | |
125 <xsl:template match="nobr"> <xsl:value-of select="translate(., ' ', ' ')"/> </xsl:template> | |
4014 | 126 |
127 | |
128 </xsl:stylesheet> |