Mercurial > hg > nginx-quic
view 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 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> ngx_int_t ngx_http_script_compile_lite(ngx_conf_t *cf, ngx_array_t *sources, ngx_array_t **lengths, ngx_array_t **values, ngx_http_script_compile_lite_start_pt start, ngx_http_script_compile_lite_end_pt end) { uintptr_t *code; ngx_uint_t i; ngx_table_elt_t *src; ngx_http_variable_t *var; ngx_http_script_var_code_t *var_code; if (sources->nelts == 0) { return NGX_OK; } if (*lengths == NULL) { *lengths = ngx_array_create(cf->pool, 64, 1); if (*lengths == NULL) { return NGX_ERROR; } } if (*values == NULL) { *values = ngx_array_create(cf->pool, 256, 1); if (*values == NULL) { return NGX_ERROR; } } src = sources->elts; for (i = 0; i < sources->nelts; i++) { if (src[i].value.data[0] == '$') { if (start(&src[i], *lengths, *values, 0) != NGX_OK) { return NGX_ERROR; } src[i].value.len--; src[i].value.data++; var = ngx_http_add_variable(cf, &src[i].value, 0); if (var == NULL) { return NGX_ERROR; } var_code = ngx_array_push_n(*lengths, sizeof(ngx_http_script_var_code_t)); if (var_code == NULL) { return NGX_ERROR; } var_code->code = (ngx_http_script_code_pt) ngx_http_script_copy_var_len; var_code->index = var->index; var_code = ngx_array_push_n(*values, sizeof(ngx_http_script_var_code_t)); if (var_code == NULL) { return NGX_ERROR; } var_code->code = ngx_http_script_copy_var; var_code->index = var->index; if (end(*lengths, *values) != NGX_OK) { return NGX_ERROR; } continue; } if (start(&src[i], *lengths, *values, 1) != NGX_OK) { return NGX_ERROR; } } code = ngx_array_push_n(*lengths, sizeof(uintptr_t)); if (code == NULL) { return NGX_ERROR; } *code = (uintptr_t) NULL; code = ngx_array_push_n(*values, sizeof(uintptr_t)); if (code == NULL) { return NGX_ERROR; } *code = (uintptr_t) NULL; return NGX_OK; } #if 0 static void * ngx_http_script_start_code(ngx_pool_t *pool, ngx_array_t **codes, size_t size) { if (*codes == NULL) { *codes = ngx_array_create(pool, 256, 1); if (*codes == NULL) { return NULL; } } return ngx_array_push_n(*codes, size); } #endif size_t ngx_http_script_copy_len(ngx_http_script_engine_t *e) { ngx_http_script_copy_code_t *code; code = (ngx_http_script_copy_code_t *) e->lite.ip; e->lite.ip += sizeof(ngx_http_script_copy_code_t); return code->len; } void ngx_http_script_copy(ngx_http_script_engine_t *e) { ngx_http_script_copy_code_t *code; code = (ngx_http_script_copy_code_t *) e->lite.ip; e->lite.pos = ngx_cpymem(e->lite.pos, e->lite.ip + sizeof(ngx_http_script_copy_code_t), code->len); e->lite.ip += sizeof(ngx_http_script_copy_code_t) + ((code->len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1)); } size_t ngx_http_script_copy_var_len(ngx_http_script_engine_t *e) { ngx_http_variable_value_t *value; ngx_http_script_var_code_t *code; code = (ngx_http_script_var_code_t *) e->lite.ip; e->lite.ip += sizeof(ngx_http_script_var_code_t); value = ngx_http_get_indexed_variable(e->lite.request, code->index); if (value == NULL || value == NGX_HTTP_VARIABLE_NOT_FOUND) { return 0; } return value->text.len; } void ngx_http_script_copy_var(ngx_http_script_engine_t *e) { ngx_http_variable_value_t *value; ngx_http_script_var_code_t *code; code = (ngx_http_script_var_code_t *) e->lite.ip; e->lite.ip += sizeof(ngx_http_script_var_code_t); value = ngx_http_get_indexed_variable(e->lite.request, code->index); if (value == NULL || value == NGX_HTTP_VARIABLE_NOT_FOUND) { return; } e->lite.pos = ngx_cpymem(e->lite.pos, value->text.data, value->text.len); }