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6607
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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7
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8 #ifndef _NGX_STREAM_SCRIPT_H_INCLUDED_
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9 #define _NGX_STREAM_SCRIPT_H_INCLUDED_
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10
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_stream.h>
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15
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16
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17 typedef struct {
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18 u_char *ip;
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19 u_char *pos;
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20 ngx_stream_variable_value_t *sp;
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21
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22 ngx_str_t buf;
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23 ngx_str_t line;
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24
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25 unsigned flushed:1;
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26 unsigned skip:1;
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27
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28 ngx_stream_session_t *session;
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29 } ngx_stream_script_engine_t;
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30
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31
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32 typedef struct {
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33 ngx_conf_t *cf;
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34 ngx_str_t *source;
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35
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36 ngx_array_t **flushes;
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37 ngx_array_t **lengths;
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38 ngx_array_t **values;
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39
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40 ngx_uint_t variables;
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41 ngx_uint_t ncaptures;
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42 ngx_uint_t size;
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43
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44 void *main;
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45
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46 unsigned complete_lengths:1;
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47 unsigned complete_values:1;
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48 unsigned zero:1;
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49 unsigned conf_prefix:1;
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50 unsigned root_prefix:1;
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51 } ngx_stream_script_compile_t;
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52
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53
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54 typedef struct {
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55 ngx_str_t value;
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56 ngx_uint_t *flushes;
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57 void *lengths;
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58 void *values;
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59 } ngx_stream_complex_value_t;
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60
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61
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62 typedef struct {
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63 ngx_conf_t *cf;
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64 ngx_str_t *value;
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65 ngx_stream_complex_value_t *complex_value;
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66
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67 unsigned zero:1;
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68 unsigned conf_prefix:1;
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69 unsigned root_prefix:1;
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70 } ngx_stream_compile_complex_value_t;
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71
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72
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73 typedef void (*ngx_stream_script_code_pt) (ngx_stream_script_engine_t *e);
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74 typedef size_t (*ngx_stream_script_len_code_pt) (ngx_stream_script_engine_t *e);
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75
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76
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77 typedef struct {
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78 ngx_stream_script_code_pt code;
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79 uintptr_t len;
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80 } ngx_stream_script_copy_code_t;
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81
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82
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83 typedef struct {
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84 ngx_stream_script_code_pt code;
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85 uintptr_t index;
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86 } ngx_stream_script_var_code_t;
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87
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88
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89 typedef struct {
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90 ngx_stream_script_code_pt code;
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91 uintptr_t n;
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92 } ngx_stream_script_copy_capture_code_t;
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93
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94
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95 typedef struct {
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96 ngx_stream_script_code_pt code;
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97 uintptr_t conf_prefix;
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98 } ngx_stream_script_full_name_code_t;
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99
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100
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101 void ngx_stream_script_flush_complex_value(ngx_stream_session_t *s,
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102 ngx_stream_complex_value_t *val);
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103 ngx_int_t ngx_stream_complex_value(ngx_stream_session_t *s,
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104 ngx_stream_complex_value_t *val, ngx_str_t *value);
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105 ngx_int_t ngx_stream_compile_complex_value(
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106 ngx_stream_compile_complex_value_t *ccv);
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107 char *ngx_stream_set_complex_value_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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108 void *conf);
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109
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110
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111 ngx_uint_t ngx_stream_script_variables_count(ngx_str_t *value);
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112 ngx_int_t ngx_stream_script_compile(ngx_stream_script_compile_t *sc);
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113
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114 void *ngx_stream_script_add_code(ngx_array_t *codes, size_t size, void *code);
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115
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116 size_t ngx_stream_script_copy_len_code(ngx_stream_script_engine_t *e);
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117 void ngx_stream_script_copy_code(ngx_stream_script_engine_t *e);
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118 size_t ngx_stream_script_copy_var_len_code(ngx_stream_script_engine_t *e);
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119 void ngx_stream_script_copy_var_code(ngx_stream_script_engine_t *e);
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120 size_t ngx_stream_script_copy_capture_len_code(ngx_stream_script_engine_t *e);
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121 void ngx_stream_script_copy_capture_code(ngx_stream_script_engine_t *e);
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122
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123 #endif /* _NGX_STREAM_SCRIPT_H_INCLUDED_ */
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