Mercurial > hg > nginx
annotate src/http/ngx_http_script.c @ 507:cd3117ad9aab release-0.1.28
nginx-0.1.28-RELEASE import
*) Bugfix: nginx hogs CPU while proxying the huge files.
*) Bugfix: nginx could not be built by gcc 4.0 on Linux.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 08 Apr 2005 15:18:55 +0000 |
| parents | c52408583801 |
| children | 9b8c906f6e63 |
| rev | line source |
|---|---|
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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11 |
| 507 | 12 ngx_int_t |
| 13 ngx_http_script_compile_lite(ngx_conf_t *cf, ngx_array_t *sources, | |
| 14 ngx_array_t **lengths, ngx_array_t **values, | |
| 15 ngx_http_script_compile_lite_start_pt start, | |
| 16 ngx_http_script_compile_lite_end_pt end) | |
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17 { |
| 507 | 18 uintptr_t *code; |
| 19 ngx_uint_t i; | |
| 20 ngx_table_elt_t *src; | |
| 21 ngx_http_variable_t *var; | |
| 22 ngx_http_script_var_code_t *var_code; | |
| 23 | |
| 24 if (sources->nelts == 0) { | |
| 25 return NGX_OK; | |
| 26 } | |
| 27 | |
| 28 if (*lengths == NULL) { | |
| 29 *lengths = ngx_array_create(cf->pool, 64, 1); | |
| 30 if (*lengths == NULL) { | |
| 31 return NGX_ERROR; | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 if (*values == NULL) { | |
| 36 *values = ngx_array_create(cf->pool, 256, 1); | |
| 37 if (*values == NULL) { | |
| 38 return NGX_ERROR; | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 src = sources->elts; | |
| 43 for (i = 0; i < sources->nelts; i++) { | |
| 44 | |
| 45 if (src[i].value.data[0] == '$') { | |
| 46 if (start(&src[i], *lengths, *values, 0) != NGX_OK) { | |
| 47 return NGX_ERROR; | |
| 48 } | |
| 49 | |
| 50 src[i].value.len--; | |
| 51 src[i].value.data++; | |
| 52 | |
| 53 var = ngx_http_add_variable(cf, &src[i].value, 0); | |
| 54 | |
| 55 if (var == NULL) { | |
| 56 return NGX_ERROR; | |
| 57 } | |
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58 |
| 507 | 59 var_code = ngx_array_push_n(*lengths, |
| 60 sizeof(ngx_http_script_var_code_t)); | |
| 61 if (var_code == NULL) { | |
| 62 return NGX_ERROR; | |
| 63 } | |
| 64 | |
| 65 var_code->code = (ngx_http_script_code_pt) | |
| 66 ngx_http_script_copy_var_len; | |
| 67 var_code->index = var->index; | |
| 68 | |
| 69 | |
| 70 var_code = ngx_array_push_n(*values, | |
| 71 sizeof(ngx_http_script_var_code_t)); | |
| 72 if (var_code == NULL) { | |
| 73 return NGX_ERROR; | |
| 74 } | |
| 75 | |
| 76 var_code->code = ngx_http_script_copy_var; | |
| 77 var_code->index = var->index; | |
| 78 | |
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79 |
| 507 | 80 if (end(*lengths, *values) != NGX_OK) { |
| 81 return NGX_ERROR; | |
| 82 } | |
| 83 | |
| 84 continue; | |
| 85 } | |
| 86 | |
| 87 if (start(&src[i], *lengths, *values, 1) != NGX_OK) { | |
| 88 return NGX_ERROR; | |
| 89 } | |
| 90 } | |
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91 |
| 507 | 92 code = ngx_array_push_n(*lengths, sizeof(uintptr_t)); |
| 93 if (code == NULL) { | |
| 94 return NGX_ERROR; | |
| 95 } | |
| 96 | |
| 97 *code = (uintptr_t) NULL; | |
| 98 | |
| 99 code = ngx_array_push_n(*values, sizeof(uintptr_t)); | |
| 100 if (code == NULL) { | |
| 101 return NGX_ERROR; | |
| 102 } | |
| 103 | |
| 104 *code = (uintptr_t) NULL; | |
| 105 | |
| 106 return NGX_OK; | |
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107 } |
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108 |
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109 |
| 507 | 110 #if 0 |
| 111 | |
| 112 static void * | |
| 113 ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) | |
| 479 | 114 { |
| 507 | 115 if (*codes == NULL) { |
| 116 *codes = ngx_array_create(pool, 256, 1); | |
| 117 if (*codes == NULL) { | |
| 118 return NULL; | |
| 119 } | |
| 120 } | |
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121 |
| 507 | 122 return ngx_array_push_n(*codes, size); |
| 123 } | |
| 124 | |
| 125 #endif | |
| 126 | |
| 479 | 127 |
| 507 | 128 size_t |
| 129 ngx_http_script_copy_len(ngx_http_script_engine_t *e) | |
| 130 { | |
| 131 ngx_http_script_copy_code_t *code; | |
| 479 | 132 |
| 507 | 133 code = (ngx_http_script_copy_code_t *) e->lite.ip; |
| 134 | |
| 135 e->lite.ip += sizeof(ngx_http_script_copy_code_t); | |
| 136 | |
| 137 return code->len; | |
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138 } |
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139 |
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140 |
| 507 | 141 void |
| 142 ngx_http_script_copy(ngx_http_script_engine_t *e) | |
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143 { |
| 507 | 144 ngx_http_script_copy_code_t *code; |
| 145 | |
| 146 code = (ngx_http_script_copy_code_t *) e->lite.ip; | |
| 147 | |
| 148 e->lite.pos = ngx_cpymem(e->lite.pos, | |
| 149 e->lite.ip + sizeof(ngx_http_script_copy_code_t), | |
| 150 code->len); | |
| 151 | |
| 152 e->lite.ip += sizeof(ngx_http_script_copy_code_t) | |
| 153 + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); | |
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154 } |
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155 |
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156 |
| 507 | 157 size_t |
| 158 ngx_http_script_copy_var_len(ngx_http_script_engine_t *e) | |
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159 { |
| 507 | 160 ngx_http_variable_value_t *value; |
| 161 ngx_http_script_var_code_t *code; | |
| 162 | |
| 163 code = (ngx_http_script_var_code_t *) e->lite.ip; | |
| 164 | |
| 165 e->lite.ip += sizeof(ngx_http_script_var_code_t); | |
| 166 | |
| 167 value = ngx_http_get_indexed_variable(e->lite.request, code->index); | |
| 168 | |
| 169 if (value == NULL || value == NGX_HTTP_VARIABLE_NOT_FOUND) { | |
| 170 return 0; | |
| 171 } | |
| 172 | |
| 173 return value->text.len; | |
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174 } |
| 479 | 175 |
| 176 | |
| 507 | 177 void |
| 178 ngx_http_script_copy_var(ngx_http_script_engine_t *e) | |
| 479 | 179 { |
| 507 | 180 ngx_http_variable_value_t *value; |
| 181 ngx_http_script_var_code_t *code; | |
| 182 | |
| 183 code = (ngx_http_script_var_code_t *) e->lite.ip; | |
| 184 | |
| 185 e->lite.ip += sizeof(ngx_http_script_var_code_t); | |
| 186 | |
| 187 value = ngx_http_get_indexed_variable(e->lite.request, code->index); | |
| 188 | |
| 189 if (value == NULL || value == NGX_HTTP_VARIABLE_NOT_FOUND) { | |
| 190 return; | |
| 191 } | |
| 192 | |
| 193 e->lite.pos = ngx_cpymem(e->lite.pos, value->text.data, value->text.len); | |
| 479 | 194 } |