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annotate xml/ru/docs/stream/stream_processing.xml @ 3011:55d49eb065ac

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Fixed example in the js_periodic directive.
author Yaroslav Zhuravlev <yar@nginx.com>
date Thu, 14 Sep 2023 16:38:00 +0100
parents 4959250ba429
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 <!--
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2 Copyright (C) Nginx, Inc.
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3 -->
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4
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5 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd">
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6
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7 <article name="Как nginx обрабатывает TCP/UDP-сессии"
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8 link="/ru/docs/stream/stream_processing.html"
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9 lang="ru"
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10 rev="4">
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11
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12 <section>
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13
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14 <para>
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15 Обработка клиентской TCP/UDP-сессии происходит
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16 последовательными <b>фазами</b>:
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17
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18 <list type="tag">
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19
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20 <tag-name id="postaccept_phase">
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21 <literal>Post-accept</literal>
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22 </tag-name>
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23 <tag-desc>
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24 Первая фаза после принятия клиентского соединения.
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25 В этой фазе выполняется модуль
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26 <link doc="ngx_stream_realip_module.xml">ngx_stream_realip_module</link>.
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27 </tag-desc>
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28
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29 <tag-name id="preaccess_phase">
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30 <literal>Pre-access</literal>
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31 </tag-name>
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32 <tag-desc>
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33 Предварительная проверка доступа.
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34 В этой фазе выполняются модули
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35 <link doc="ngx_stream_limit_conn_module.xml">ngx_stream_limit_conn_module</link>
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36 и
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37 <link doc="ngx_stream_set_module.xml">ngx_stream_set_module</link>.
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38 </tag-desc>
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39
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40 <tag-name id="access_phase">
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41 <literal>Access</literal>
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42 </tag-name>
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43 <tag-desc>
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44 Ограничение доступа для клиента перед обработкой данных.
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45 В этой фазе
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46 выполняется модуль
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47 <link doc="ngx_stream_access_module.xml">ngx_stream_access_module</link>,
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48 при использовании <link doc="../njs/index.xml">njs</link>
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49 выполняется
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50 директива <link doc="ngx_stream_js_module.xml" id="js_access"/>.
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51
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52 </tag-desc>
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53
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54 <tag-name id="ssl_phase">
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55 <literal>SSL</literal>
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56 </tag-name>
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57 <tag-desc>
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58
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59 Терминирование TLS/SSL.
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60 В этой фазе выполняется модуль
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61 <link doc="ngx_stream_ssl_module.xml">ngx_stream_ssl_module</link>.
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62 </tag-desc>
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63
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64 <tag-name id="preread_phase">
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65 <literal>Preread</literal>
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66 </tag-name>
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67 <tag-desc>
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68 Чтение первых байт данных в
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69 <link doc="ngx_stream_core_module.xml" id="preread_buffer_size">буфер
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70 предварительного чтения</link> для анализа,
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71 например модулем
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72 <link doc="ngx_stream_ssl_preread_module.xml">ngx_stream_ssl_preread_module</link>,
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73 перед их обработкой.
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74 При использовании <link doc="../njs/index.xml">njs</link>
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75 в этой фазе выполняется
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76 директива <link doc="ngx_stream_js_module.xml" id="js_preread"/>.
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77 </tag-desc>
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78
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79 <tag-name id="content_phase">
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80 <literal>Content</literal>
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81 </tag-name>
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82 <tag-desc>
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83 Обязательная фаза, в которой происходит обработка данных, как правило
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84 <link doc="ngx_stream_proxy_module.xml">проксирование</link> на
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85 <link doc="ngx_stream_upstream_module.xml">группу серверов</link>
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86 или <link doc="ngx_stream_return_module.xml">отправка</link> клиенту
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87 заданного значения.
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88 При использовании <link doc="../njs/index.xml">njs</link>
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89 в этой фазе выполняется
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90 директива <link doc="ngx_stream_js_module.xml" id="js_filter"/>.
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91 </tag-desc>
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92
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93 <tag-name id="log_phase">
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94 <literal>Log</literal>
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95 </tag-name>
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96 <tag-desc>
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97 Заключительная фаза,
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98 в которой записывается результат обработки клиентской сессии.
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99 В этой фазе выполняется модуль
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100 <link doc="ngx_stream_log_module.xml">ngx_stream_log_module</link>.
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101 </tag-desc>
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102 </list>
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103
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104 </para>
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105
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106 </section>
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107
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108 </article>