| |
| /* |
| * Copyright (C) Igor Sysoev |
| */ |
| |
| |
| #ifndef _NGX_FILE_H_INCLUDED_ |
| #define _NGX_FILE_H_INCLUDED_ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| |
| typedef struct ngx_path_s ngx_path_t; |
| |
| #include <ngx_garbage_collector.h> |
| |
| |
| struct ngx_file_s { |
| ngx_fd_t fd; |
| ngx_str_t name; |
| ngx_file_info_t info; |
| |
| off_t offset; |
| off_t sys_offset; |
| |
| ngx_log_t *log; |
| |
| ngx_uint_t valid_info; /* unsigned valid_info:1; */ |
| }; |
| |
| #define NGX_MAX_PATH_LEVEL 3 |
| |
| struct ngx_path_s { |
| ngx_str_t name; |
| size_t len; |
| size_t level[3]; |
| ngx_gc_handler_pt cleaner; |
| |
| u_char *conf_file; |
| ngx_uint_t line; |
| }; |
| |
| |
| typedef struct { |
| ngx_file_t file; |
| off_t offset; |
| ngx_path_t *path; |
| ngx_pool_t *pool; |
| char *warn; |
| |
| ngx_uint_t access; |
| |
| unsigned log_level:8; |
| unsigned persistent:1; |
| unsigned clean:1; |
| } ngx_temp_file_t; |
| |
| |
| typedef struct ngx_tree_ctx_s ngx_tree_ctx_t; |
| |
| typedef ngx_int_t (*ngx_tree_init_handler_pt) (void *ctx, void *prev); |
| typedef ngx_int_t (*ngx_tree_handler_pt) (ngx_tree_ctx_t *ctx, ngx_str_t *name); |
| |
| struct ngx_tree_ctx_s { |
| off_t size; |
| ngx_uint_t access; |
| time_t mtime; |
| |
| ngx_tree_init_handler_pt init_handler; |
| ngx_tree_handler_pt file_handler; |
| ngx_tree_handler_pt pre_tree_handler; |
| ngx_tree_handler_pt post_tree_handler; |
| ngx_tree_handler_pt spec_handler; |
| |
| void *data; |
| size_t alloc; |
| |
| ngx_log_t *log; |
| }; |
| |
| |
| ssize_t ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain); |
| ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, |
| ngx_pool_t *pool, ngx_uint_t persistent, ngx_uint_t clean, |
| ngx_uint_t access); |
| void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path); |
| ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path); |
| ngx_err_t ngx_create_full_path(u_char *dir, ngx_uint_t access); |
| ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot); |
| ngx_int_t ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user); |
| ngx_int_t ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree); |
| |
| void ngx_init_temp_number(void); |
| ngx_atomic_uint_t ngx_next_temp_number(ngx_uint_t collision); |
| |
| char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| char *ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| |
| |
| #define ngx_conf_merge_path_value(curr, prev, path, l1, l2, l3, clean, cf) \ |
| if (curr == NULL) { \ |
| if (prev == NULL) { \ |
| curr = ngx_palloc(cf->pool, sizeof(ngx_path_t)); \ |
| if (curr == NULL) { \ |
| return NGX_CONF_ERROR; \ |
| } \ |
| \ |
| curr->name.len = sizeof(path) - 1; \ |
| curr->name.data = (u_char *) path; \ |
| \ |
| if (ngx_conf_full_name(cf->cycle, &curr->name, 0) == NGX_ERROR) { \ |
| return NGX_CONF_ERROR; \ |
| } \ |
| \ |
| curr->level[0] = l1; \ |
| curr->level[1] = l2; \ |
| curr->level[2] = l3; \ |
| curr->len = l1 + l2 + l3 + (l1 ? 1:0) + (l2 ? 1:0) + (l3 ? 1:0); \ |
| curr->cleaner = clean; \ |
| curr->conf_file = NULL; \ |
| \ |
| if (ngx_add_path(cf, &curr) == NGX_ERROR) { \ |
| return NGX_CONF_ERROR; \ |
| } \ |
| \ |
| } else { \ |
| curr = prev; \ |
| } \ |
| } |
| |
| |
| |
| #endif /* _NGX_FILE_H_INCLUDED_ */ |