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annotate xml/en/docs/http/ngx_http_map_module.xml @ 348:5a848934a12d
English translation of ngx_http_geoip_module, ngx_http_map_module,
ngx_http_realip_module, ngx_http_secure_link_module,
ngx_http_split_clients_module, and ngx_http_sub_module.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Mon, 23 Jan 2012 16:50:35 +0000 |
parents | |
children | aef88cb1d75c |
rev | line source |
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348
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1 <?xml version="1.0"?> |
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2 |
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3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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4 |
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5 <module name="Module ngx_http_map_module" |
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6 link="/en/docs/http/ngx_http_map_module.html" |
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7 lang="en"> |
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8 |
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9 <section id="summary"> |
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10 |
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11 <para> |
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12 The <literal>ngx_http_map_module</literal> module creates variables |
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13 whose values depend on values of other variables. |
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14 </para> |
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15 |
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16 </section> |
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17 |
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18 |
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19 <section id="example" name="Example Configuration"> |
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20 |
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21 <para> |
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22 <example> |
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23 map $http_host $name { |
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24 hostnames; |
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25 |
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26 default 0; |
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27 |
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28 example.com 1; |
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29 *.example.com 1; |
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30 test.com 2; |
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31 *.test.com 2; |
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32 .site.com 3; |
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33 wap.* 4; |
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34 } |
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35 </example> |
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36 </para> |
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37 |
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38 </section> |
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39 |
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40 |
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41 <section id="directives" name="Directives"> |
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42 |
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43 <directive name="map"> |
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44 <syntax block="yes"> |
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45 <value>$variable1</value> |
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46 <value>$variable2</value></syntax> |
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47 <default/> |
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48 <context>http</context> |
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49 |
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50 <para> |
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51 Creates a variable whose value |
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52 depends on the value of another variable. |
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53 The directive supports three special parameters: |
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54 <list type="tag"> |
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55 <tag-name><literal>default</literal> <value>value</value></tag-name> |
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56 <tag-desc> |
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57 sets a value for the second variable when the value |
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58 of the first variable cannot be found. |
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59 </tag-desc> |
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60 |
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61 <tag-name><literal>hostnames</literal></tag-name> |
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62 <tag-desc> |
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63 allows to specify hostnames with a prefix or suffix mask, as source |
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64 values, for example, |
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65 <example> |
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66 *.example.com 1; |
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67 example.* 1; |
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68 </example> |
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69 The following two records |
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70 <example> |
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71 example.com 1; |
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72 *.example.com 1; |
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73 </example> |
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74 can be combined: |
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75 <example> |
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76 .example.com 1; |
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77 </example> |
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78 </tag-desc> |
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79 |
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80 <tag-name><literal>include</literal> <value>file</value></tag-name> |
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81 <tag-desc> |
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82 includes a file with values. |
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83 There can be several inclusions. |
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84 </tag-desc> |
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85 |
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86 </list> |
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87 </para> |
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88 |
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89 </directive> |
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90 |
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91 |
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92 <directive name="map_hash_bucket_size"> |
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93 <syntax><value>size</value></syntax> |
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94 <default>32|64|128</default> |
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95 <context>http</context> |
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96 |
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97 <para> |
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98 Sets the bucket size for the <link id="map"/> variables hash tables. |
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99 Default value depends on the size of the processor's cache line. |
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100 For more information, please refer to |
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101 <link doc="../hash.xml">Setting Up Hashes</link>. |
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102 </para> |
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103 |
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104 </directive> |
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105 |
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106 |
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107 <directive name="map_hash_max_size"> |
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108 <syntax><value>size</value></syntax> |
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109 <default>2048</default> |
5a848934a12d
English translation of ngx_http_geoip_module, ngx_http_map_module,
Ruslan Ermilov <ru@nginx.com>
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110 <context>http</context> |
5a848934a12d
English translation of ngx_http_geoip_module, ngx_http_map_module,
Ruslan Ermilov <ru@nginx.com>
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111 |
5a848934a12d
English translation of ngx_http_geoip_module, ngx_http_map_module,
Ruslan Ermilov <ru@nginx.com>
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112 <para> |
5a848934a12d
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Ruslan Ermilov <ru@nginx.com>
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113 Sets the maximum <value>size</value> of the <link id="map"/> variables |
5a848934a12d
English translation of ngx_http_geoip_module, ngx_http_map_module,
Ruslan Ermilov <ru@nginx.com>
parents:
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114 hash tables. |
5a848934a12d
English translation of ngx_http_geoip_module, ngx_http_map_module,
Ruslan Ermilov <ru@nginx.com>
parents:
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115 For more information, please refer to |
5a848934a12d
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Ruslan Ermilov <ru@nginx.com>
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116 <link doc="../hash.xml">Setting Up Hashes</link>. |
5a848934a12d
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Ruslan Ermilov <ru@nginx.com>
parents:
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117 </para> |
5a848934a12d
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118 |
5a848934a12d
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Ruslan Ermilov <ru@nginx.com>
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119 </directive> |
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Ruslan Ermilov <ru@nginx.com>
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120 |
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121 </section> |
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122 |
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123 </module> |