nginx/src/core/ngx_conf_file.h

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#ifndef _NGX_HTTP_CONF_FILE_H_INCLUDED_
#define _NGX_HTTP_CONF_FILE_H_INCLUDED_
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#include <ngx_config.h>
#include <ngx_files.h>
#include <ngx_log.h>
#include <ngx_file.h>
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#include <ngx_time.h>
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#include <ngx_string.h>
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#include <ngx_alloc.h>
#include <ngx_hunk.h>
#include <ngx_array.h>
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/*
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* AAAA number of agruments
* FF command flags
* TT command type, i.e. HTTP "location" or "server" command
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*/
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#define NGX_CONF_NOARGS 0x00000001
#define NGX_CONF_TAKE1 0x00000002
#define NGX_CONF_TAKE2 0x00000004
#define NGX_CONF_ARGS_NUMBER 0x0000ffff
#define NGX_CONF_ANY 0x00010000
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#define NGX_CONF_1MORE 0x00020000
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#define NGX_CONF_BLOCK 0x00040000
#define NGX_CONF_FLAG 0x00080000
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#define NGX_MAIN_CONF 0x01000000
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#define NGX_CONF_UNSET -1
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#define NGX_CONF_OK NULL
#define NGX_CONF_ERROR (void *) -1
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#define NGX_CONF_BLOCK_DONE 1
#define NGX_CONF_FILE_DONE 2
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#define NGX_MODULE 0, 0
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#define NGX_CORE_MODULE 0x45524F43 /* "CORE" */
#define NGX_CONF_MODULE 0x464E4F43 /* "CONF" */
#define MAX_CONF_ERRSTR 256
extern char ngx_conf_errstr[MAX_CONF_ERRSTR];
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typedef struct ngx_conf_s ngx_conf_t;
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typedef struct ngx_command_s ngx_command_t;
struct ngx_command_s {
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ngx_str_t name;
int type;
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char *(*set)(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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int conf;
int offset;
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void *bounds;
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};
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#define ngx_null_command {ngx_null_string, 0, NULL, 0, 0, NULL}
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typedef struct {
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int ctx_index;
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int index;
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void *ctx;
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ngx_command_t *commands;
int type;
int (*init_module)(ngx_pool_t *p);
} ngx_module_t;
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typedef struct {
ngx_file_t file;
ngx_hunk_t *hunk;
int line;
} ngx_conf_file_t;
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typedef char *(*ngx_conf_handler_pt)(ngx_conf_t *cf,
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ngx_command_t *dummy, void *conf);
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struct ngx_conf_s {
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char *name;
ngx_array_t *args;
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ngx_pool_t *pool;
ngx_conf_file_t *conf_file;
ngx_log_t *log;
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void *ctx;
int module_type;
int cmd_type;
ngx_conf_handler_pt handler;
char *handler_conf;
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};
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#define ngx_get_conf(module) ngx_conf_ctx[module.index]
#define ngx_conf_init_value(conf, default) \
if (conf == NGX_CONF_UNSET) { \
conf = default; \
}
#define ngx_conf_init_size_value(conf, default) \
if (conf == NGX_CONF_UNSET) { \
conf = default; \
}
#define ngx_conf_init_msec_value(conf, default) \
if (conf == NGX_CONF_UNSET) { \
conf = default; \
}
#define ngx_conf_merge_value(conf, prev, default) \
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if (conf == NGX_CONF_UNSET) { \
conf = (prev == NGX_CONF_UNSET) ? default : prev; \
}
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#define ngx_conf_merge_msec_value(conf, prev, default) \
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if (conf == (ngx_msec_t) NGX_CONF_UNSET) { \
conf = (prev == (ngx_msec_t) NGX_CONF_UNSET) ? default : prev; \
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}
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#define ngx_conf_merge_size_value(conf, prev, default) \
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if (conf == (size_t) NGX_CONF_UNSET) { \
conf = (prev == (size_t) NGX_CONF_UNSET) ? default : prev; \
}
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#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 = default; \
} \
}
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#define addressof(addr) ((int) &addr)
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char *ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename);
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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_time_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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extern ngx_module_t *ngx_modules[];
extern void ****ngx_conf_ctx;
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#endif /* _NGX_HTTP_CONF_FILE_H_INCLUDED_ */