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332
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9
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10
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11 #ifndef _NGX_OPEN_FILE_CACHE_H_INCLUDED_
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12 #define _NGX_OPEN_FILE_CACHE_H_INCLUDED_
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13
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14
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15 typedef struct {
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16 ngx_fd_t fd;
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17 ngx_file_uniq_t uniq;
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18 time_t mtime;
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19 off_t size;
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20 ngx_err_t err;
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21
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358
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22 time_t valid;
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23
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24 ngx_uint_t min_uses;
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332
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25
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26 unsigned test_dir:1;
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27 unsigned errors:1;
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28 unsigned events:1;
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29
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30 unsigned is_dir:1;
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31 unsigned is_file:1;
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32 unsigned is_link:1;
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33 unsigned is_exec:1;
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34 } ngx_open_file_info_t;
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35
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36
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37 typedef struct ngx_cached_open_file_s ngx_cached_open_file_t;
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38
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39 struct ngx_cached_open_file_s {
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40 ngx_rbtree_node_t node;
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358
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41 ngx_queue_t queue;
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332
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42
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43 u_char *name;
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44 time_t created;
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45 time_t accessed;
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46
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47 ngx_fd_t fd;
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48 ngx_file_uniq_t uniq;
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49 time_t mtime;
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50 off_t size;
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51 ngx_err_t err;
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52
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358
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53 uint32_t uses;
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54
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332
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55 unsigned count:24;
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56 unsigned close:1;
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358
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57 unsigned use_event:1;
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332
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58
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59 unsigned is_dir:1;
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60 unsigned is_file:1;
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61 unsigned is_link:1;
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62 unsigned is_exec:1;
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63
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64 ngx_event_t *event;
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65 };
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66
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67
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68 typedef struct {
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69 ngx_rbtree_t rbtree;
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358
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70 ngx_rbtree_node_t sentinel;
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71 ngx_queue_t expire_queue;
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332
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72
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73 ngx_uint_t current;
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74 ngx_uint_t max;
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75 time_t inactive;
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76 } ngx_open_file_cache_t;
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77
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78
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79 typedef struct {
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80 ngx_open_file_cache_t *cache;
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81 ngx_cached_open_file_t *file;
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358
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82 ngx_uint_t min_uses;
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332
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83 ngx_log_t *log;
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84 } ngx_open_file_cache_cleanup_t;
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85
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86
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87 typedef struct {
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88
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89 /* ngx_connection_t stub to allow use c->fd as event ident */
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90 void *data;
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91 ngx_event_t *read;
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92 ngx_event_t *write;
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93 ngx_fd_t fd;
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94
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95 ngx_cached_open_file_t *file;
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96 ngx_open_file_cache_t *cache;
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97 } ngx_open_file_cache_event_t;
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98
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99
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100 ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool,
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101 ngx_uint_t max, time_t inactive);
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102 ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,
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103 ngx_open_file_info_t *of, ngx_pool_t *pool);
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104
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105
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106 #endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */
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