Mercurial > hg > nginx-vendor-current
diff src/core/ngx_conf_file.h @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | cc9f381affaa |
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new file mode 100644 --- /dev/null +++ b/src/core/ngx_conf_file.h @@ -0,0 +1,295 @@ + +/* + * Copyright (C) Igor Sysoev + */ + + +#ifndef _NGX_HTTP_CONF_FILE_H_INCLUDED_ +#define _NGX_HTTP_CONF_FILE_H_INCLUDED_ + + +#include <ngx_config.h> +#include <ngx_core.h> + + +/* + * AAAA number of agruments + * FF command flags + * TT command type, i.e. HTTP "location" or "server" command + */ + +#define NGX_CONF_NOARGS 0x00000001 +#define NGX_CONF_TAKE1 0x00000002 +#define NGX_CONF_TAKE2 0x00000004 +#define NGX_CONF_TAKE3 0x00000008 +#define NGX_CONF_TAKE4 0x00000010 +#define NGX_CONF_TAKE5 0x00000020 +#define NGX_CONF_TAKE6 0x00000040 +#define NGX_CONF_TAKE7 0x00000080 + +#define NGX_CONF_TAKE12 (NGX_CONF_TAKE1|NGX_CONF_TAKE2) +#define NGX_CONF_TAKE13 (NGX_CONF_TAKE1|NGX_CONF_TAKE3) + +#define NGX_CONF_TAKE23 (NGX_CONF_TAKE2|NGX_CONF_TAKE3) + +#define NGX_CONF_TAKE1234 (NGX_CONF_TAKE1|NGX_CONF_TAKE2|NGX_CONF_TAKE3 \ + |NGX_CONF_TAKE4) + +#define NGX_CONF_ARGS_NUMBER 0x000000ff +#define NGX_CONF_BLOCK 0x00000100 +#define NGX_CONF_FLAG 0x00000200 +#define NGX_CONF_ANY 0x00000400 +#define NGX_CONF_1MORE 0x00000800 +#define NGX_CONF_2MORE 0x00001000 + +#define NGX_DIRECT_CONF 0x00010000 + +#define NGX_MAIN_CONF 0x01000000 +#define NGX_ANY_CONF 0x0F000000 + + + +#define NGX_CONF_UNSET -1 +#define NGX_CONF_UNSET_UINT (ngx_uint_t) -1 +#define NGX_CONF_UNSET_PTR (void *) -1 +#define NGX_CONF_UNSET_SIZE (size_t) -1 +#define NGX_CONF_UNSET_MSEC (ngx_msec_t) -1 + + +#define NGX_CONF_OK NULL +#define NGX_CONF_ERROR (void *) -1 + +#define NGX_CONF_BLOCK_DONE 1 +#define NGX_CONF_FILE_DONE 2 + +#define NGX_MODULE 0, 0 + +#define NGX_CORE_MODULE 0x45524F43 /* "CORE" */ +#define NGX_CONF_MODULE 0x464E4F43 /* "CONF" */ + + +#define NGX_MAX_CONF_ERRSTR 256 + + +struct ngx_command_s { + ngx_str_t name; + int type; + char *(*set)(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); + int conf; + int offset; + void *post; +}; + +#define ngx_null_command { ngx_null_string, 0, NULL, 0, 0, NULL } + + +struct ngx_open_file_s { + ngx_fd_t fd; + ngx_str_t name; +#if 0 + /* e.g. append mode, error_log */ + int flags; + /* e.g. reopen db file */ + int (*handler)(void *data, ngx_open_file_t *file); + void *data; +#endif +}; + + +struct ngx_module_s { + ngx_uint_t ctx_index; + ngx_uint_t index; + void *ctx; + ngx_command_t *commands; + ngx_uint_t type; + ngx_int_t (*init_module)(ngx_cycle_t *cycle); + ngx_int_t (*init_process)(ngx_cycle_t *cycle); +#if 0 + ngx_int_t (*init_thread)(ngx_cycle_t *cycle); +#endif +}; + + +typedef struct { + ngx_str_t name; + void *(*create_conf)(ngx_cycle_t *cycle); + char *(*init_conf)(ngx_cycle_t *cycle, void *conf); +} ngx_core_module_t; + + +typedef struct { + ngx_file_t file; + ngx_buf_t *buffer; + ngx_uint_t line; +} ngx_conf_file_t; + + +typedef char *(*ngx_conf_handler_pt)(ngx_conf_t *cf, + ngx_command_t *dummy, void *conf); + + +struct ngx_conf_s { + char *name; + ngx_array_t *args; + + ngx_cycle_t *cycle; + ngx_pool_t *pool; + ngx_conf_file_t *conf_file; + ngx_log_t *log; + + void *ctx; + ngx_uint_t module_type; + ngx_uint_t cmd_type; + + ngx_conf_handler_pt handler; + char *handler_conf; +}; + + +typedef char *(*ngx_conf_post_handler_pt) (ngx_conf_t *cf, + void *data, void *conf); + +typedef struct { + ngx_conf_post_handler_pt post_handler; +} ngx_conf_post_t; + + +typedef struct { + ngx_conf_post_handler_pt post_handler; + int low; + int high; +} ngx_conf_num_bounds_t; + + +typedef struct { + ngx_str_t name; + ngx_uint_t value; +} ngx_conf_enum_t; + + +#define NGX_CONF_BITMASK_SET 1 + +typedef struct { + ngx_str_t name; + ngx_uint_t mask; +} ngx_conf_bitmask_t; + + +char *ngx_conf_check_num_bounds(ngx_conf_t *cf, void *post, void *data); + + +#define ngx_get_conf(conf_ctx, module) conf_ctx[module.index] + + + +#define ngx_conf_init_value(conf, default) \ + if (conf == NGX_CONF_UNSET) { \ + conf = default; \ + } + +#define ngx_conf_init_ptr_value(conf, default) \ + if (conf == NGX_CONF_UNSET_PTR) { \ + conf = default; \ + } + +#define ngx_conf_init_unsigned_value(conf, default) \ + if (conf == (unsigned) NGX_CONF_UNSET) { \ + conf = default; \ + } + +#define ngx_conf_init_size_value(conf, default) \ + if (conf == NGX_CONF_UNSET_SIZE) { \ + conf = default; \ + } + +#define ngx_conf_init_msec_value(conf, default) \ + if (conf == NGX_CONF_UNSET_MSEC) { \ + conf = default; \ + } + +#define ngx_conf_merge_value(conf, prev, default) \ + if (conf == NGX_CONF_UNSET) { \ + conf = (prev == NGX_CONF_UNSET) ? default : prev; \ + } + +#define ngx_conf_merge_ptr_value(conf, prev, default) \ + if (conf == NULL) { \ + conf = (prev == NULL) ? default : prev; \ + } + +#define ngx_conf_merge_unsigned_value(conf, prev, default) \ + if (conf == NGX_CONF_UNSET_UINT) { \ + conf = (prev == NGX_CONF_UNSET_UINT) ? default : prev; \ + } + +#define ngx_conf_merge_msec_value(conf, prev, default) \ + if (conf == NGX_CONF_UNSET_MSEC) { \ + conf = (prev == NGX_CONF_UNSET_MSEC) ? default : prev; \ + } + +#define ngx_conf_merge_sec_value(conf, prev, default) \ + if (conf == NGX_CONF_UNSET) { \ + conf = (prev == NGX_CONF_UNSET) ? default : prev; \ + } + +#define ngx_conf_merge_size_value(conf, prev, default) \ + if (conf == NGX_CONF_UNSET_SIZE) { \ + conf = (prev == NGX_CONF_UNSET_SIZE) ? default : prev; \ + } + +#define ngx_conf_merge_str_value(conf, prev, default) \ + if (conf.len == 0) { \ + if (prev.len) { \ + conf.len = prev.len; \ + conf.data = prev.data; \ + } else { \ + conf.len = sizeof(default) - 1; \ + conf.data = (u_char *) default; \ + } \ + } + +#define ngx_conf_merge_bufs_value(conf, prev, default_num, default_size) \ + if (conf.num == 0) { \ + if (prev.num) { \ + conf.num = prev.num; \ + conf.size = prev.size; \ + } else { \ + conf.num = default_num; \ + conf.size = default_size; \ + } \ + } + +#define ngx_conf_merge_bitmask_value(conf, prev, default) \ + if (conf == 0) { \ + conf = (prev == 0) ? default : prev; \ + } + + +#define addressof(addr) ((int) &addr) + + +char *ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename); + + +ngx_int_t ngx_conf_full_name(ngx_cycle_t *cycle, ngx_str_t *name); +ngx_open_file_t *ngx_conf_open_file(ngx_cycle_t *cycle, ngx_str_t *name); +void ngx_conf_log_error(ngx_uint_t level, ngx_conf_t *cf, ngx_err_t err, + char *fmt, ...); + + +char *ngx_conf_set_flag_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_str_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_num_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_size_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_msec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_sec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_bufs_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_enum_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); +char *ngx_conf_set_bitmask_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); + + +extern ngx_uint_t ngx_max_module; +extern ngx_module_t *ngx_modules[]; + + +#endif /* _NGX_HTTP_CONF_FILE_H_INCLUDED_ */