Mercurial > hg > nginx
annotate src/core/ngx_file.h @ 956:8c3d62474df1
ngx_walk_tree()
| author | Igor Sysoev <igor@sysoev.ru> |
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| date | Mon, 25 Dec 2006 12:38:00 +0000 |
| parents | 562806624c4a |
| children | bb139aba3199 |
| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_FILE_H_INCLUDED_ |
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8 #define _NGX_FILE_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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14 typedef struct ngx_path_s ngx_path_t; |
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16 #include <ngx_garbage_collector.h> |
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19 struct ngx_file_s { |
| 467 | 20 ngx_fd_t fd; |
| 21 ngx_str_t name; | |
| 22 ngx_file_info_t info; | |
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| 467 | 24 off_t offset; |
| 25 off_t sys_offset; | |
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| 467 | 27 ngx_log_t *log; |
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| 499 | 29 ngx_uint_t valid_info; /* unsigned valid_info:1; */ |
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30 }; |
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32 #define NGX_MAX_PATH_LEVEL 3 |
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34 struct ngx_path_s { |
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35 ngx_str_t name; |
| 517 | 36 size_t len; |
| 37 size_t level[3]; | |
| 479 | 38 ngx_gc_handler_pt cleaner; |
| 467 | 39 |
| 40 u_char *conf_file; | |
| 41 ngx_uint_t line; | |
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42 }; |
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45 typedef struct { |
| 467 | 46 ngx_file_t file; |
| 47 off_t offset; | |
| 48 ngx_path_t *path; | |
| 49 ngx_pool_t *pool; | |
| 50 char *warn; | |
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| 633 | 52 ngx_uint_t mode; |
| 53 | |
| 637 | 54 unsigned log_level:8; |
| 467 | 55 unsigned persistent:1; |
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56 } ngx_temp_file_t; |
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| 956 | 59 typedef struct ngx_tree_ctx_s ngx_tree_ctx_t; |
| 60 | |
| 61 typedef ngx_int_t (*ngx_tree_init_handler_pt) (ngx_tree_ctx_t *ctx, | |
| 62 ngx_tree_ctx_t *prev); | |
| 63 typedef ngx_int_t (*ngx_tree_handler_pt) (ngx_tree_ctx_t *ctx, ngx_str_t *name); | |
| 64 | |
| 65 struct ngx_tree_ctx_s { | |
| 66 ngx_tree_init_handler_pt init_handler; | |
| 67 ngx_tree_handler_pt file_handler; | |
| 68 ngx_tree_handler_pt pre_tree_handler; | |
| 69 ngx_tree_handler_pt post_tree_handler; | |
| 70 ngx_tree_handler_pt spec_handler; | |
| 71 void *data; | |
| 72 size_t size; | |
| 73 ngx_log_t *log; | |
| 74 }; | |
| 75 | |
| 76 | |
| 467 | 77 ssize_t ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain); |
| 78 ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, | |
| 633 | 79 ngx_pool_t *pool, ngx_uint_t persistent,ngx_uint_t mode); |
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80 void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path); |
| 467 | 81 ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path); |
| 669 | 82 ngx_err_t ngx_create_full_path(u_char *dir, ngx_uint_t access); |
| 479 | 83 ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot); |
| 467 | 84 ngx_int_t ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user); |
| 956 | 85 ngx_int_t ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree); |
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| 499 | 87 void ngx_init_temp_number(void); |
| 495 | 88 ngx_atomic_uint_t ngx_next_temp_number(ngx_uint_t collision); |
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90 char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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| 479 | 93 #define ngx_conf_merge_path_value(curr, prev, path, l1, l2, l3, clean, cf) \ |
| 94 if (curr == NULL) { \ | |
| 95 if (prev == NULL) { \ | |
| 501 | 96 curr = ngx_palloc(cf->pool, sizeof(ngx_path_t)); \ |
| 97 if (curr == NULL) { \ | |
| 479 | 98 return NGX_CONF_ERROR; \ |
| 99 } \ | |
| 100 \ | |
| 101 curr->name.len = sizeof(path) - 1; \ | |
| 102 curr->name.data = (u_char *) path; \ | |
| 103 \ | |
| 104 if (ngx_conf_full_name(cf->cycle, &curr->name) == NGX_ERROR) { \ | |
| 105 return NGX_CONF_ERROR; \ | |
| 106 } \ | |
| 107 \ | |
| 108 curr->level[0] = l1; \ | |
| 109 curr->level[1] = l2; \ | |
| 110 curr->level[2] = l3; \ | |
| 111 curr->len = l1 + l2 + l3 + (l1 ? 1:0) + (l2 ? 1:0) + (l3 ? 1:0); \ | |
| 112 curr->cleaner = clean; \ | |
| 113 curr->conf_file = NULL; \ | |
| 114 \ | |
| 115 if (ngx_add_path(cf, &curr) == NGX_ERROR) { \ | |
| 116 return NGX_CONF_ERROR; \ | |
| 117 } \ | |
| 118 \ | |
| 119 } else { \ | |
| 120 curr = prev; \ | |
| 121 } \ | |
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122 } |
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126 #endif /* _NGX_FILE_H_INCLUDED_ */ |