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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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416
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15 #define NGX_OPEN_FILE_DIRECTIO_OFF NGX_MAX_OFF_T_VALUE
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16
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17
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332
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18 typedef struct {
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19 ngx_fd_t fd;
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20 ngx_file_uniq_t uniq;
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21 time_t mtime;
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22 off_t size;
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390
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23 off_t directio;
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482
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24
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332
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25 ngx_err_t err;
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482
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26 char *failed;
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332
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27
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358
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28 time_t valid;
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29
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30 ngx_uint_t min_uses;
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332
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31
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32 unsigned test_dir:1;
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482
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33 unsigned test_only:1;
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384
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34 unsigned log:1;
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332
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35 unsigned errors:1;
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36 unsigned events:1;
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37
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38 unsigned is_dir:1;
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39 unsigned is_file:1;
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40 unsigned is_link:1;
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41 unsigned is_exec:1;
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406
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42 unsigned is_directio:1;
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332
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43 } ngx_open_file_info_t;
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44
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45
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46 typedef struct ngx_cached_open_file_s ngx_cached_open_file_t;
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47
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48 struct ngx_cached_open_file_s {
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49 ngx_rbtree_node_t node;
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358
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50 ngx_queue_t queue;
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332
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51
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52 u_char *name;
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53 time_t created;
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54 time_t accessed;
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55
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56 ngx_fd_t fd;
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57 ngx_file_uniq_t uniq;
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58 time_t mtime;
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59 off_t size;
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60 ngx_err_t err;
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61
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358
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62 uint32_t uses;
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63
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332
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64 unsigned count:24;
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65 unsigned close:1;
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358
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66 unsigned use_event:1;
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332
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67
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68 unsigned is_dir:1;
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69 unsigned is_file:1;
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70 unsigned is_link:1;
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71 unsigned is_exec:1;
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410
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72 unsigned is_directio:1;
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332
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73
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74 ngx_event_t *event;
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75 };
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76
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77
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78 typedef struct {
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79 ngx_rbtree_t rbtree;
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358
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80 ngx_rbtree_node_t sentinel;
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81 ngx_queue_t expire_queue;
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332
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82
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83 ngx_uint_t current;
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84 ngx_uint_t max;
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85 time_t inactive;
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86 } ngx_open_file_cache_t;
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87
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88
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89 typedef struct {
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90 ngx_open_file_cache_t *cache;
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91 ngx_cached_open_file_t *file;
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358
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92 ngx_uint_t min_uses;
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332
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93 ngx_log_t *log;
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94 } ngx_open_file_cache_cleanup_t;
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95
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96
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97 typedef struct {
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98
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99 /* ngx_connection_t stub to allow use c->fd as event ident */
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100 void *data;
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101 ngx_event_t *read;
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102 ngx_event_t *write;
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103 ngx_fd_t fd;
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104
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105 ngx_cached_open_file_t *file;
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106 ngx_open_file_cache_t *cache;
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107 } ngx_open_file_cache_event_t;
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108
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109
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110 ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool,
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111 ngx_uint_t max, time_t inactive);
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112 ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,
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113 ngx_open_file_info_t *of, ngx_pool_t *pool);
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114
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115
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116 #endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */
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