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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 #ifndef _NGX_FILE_H_INCLUDED_
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8 #define _NGX_FILE_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14 typedef struct ngx_path_s ngx_path_t;
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15
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16 #include <ngx_garbage_collector.h>
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17
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18
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19 struct ngx_file_s {
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16
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20 ngx_fd_t fd;
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21 ngx_str_t name;
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22 ngx_file_info_t info;
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0
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23
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16
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24 off_t offset;
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25 off_t sys_offset;
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0
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26
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16
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27 ngx_log_t *log;
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0
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28
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406
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29 unsigned valid_info:1;
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30 unsigned directio:1;
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0
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31 };
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32
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33 #define NGX_MAX_PATH_LEVEL 3
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34
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35 struct ngx_path_s {
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36 ngx_str_t name;
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66
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37 size_t len;
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38 size_t level[3];
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28
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39 ngx_gc_handler_pt cleaner;
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16
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40
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41 u_char *conf_file;
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42 ngx_uint_t line;
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0
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43 };
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44
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45
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46 typedef struct {
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16
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47 ngx_file_t file;
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48 off_t offset;
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49 ngx_path_t *path;
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50 ngx_pool_t *pool;
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51 char *warn;
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0
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52
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276
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53 ngx_uint_t access;
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182
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54
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186
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55 unsigned log_level:8;
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16
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56 unsigned persistent:1;
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278
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57 unsigned clean:1;
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0
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58 } ngx_temp_file_t;
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59
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60
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362
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61 typedef struct {
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62 ngx_uint_t access;
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63 time_t time;
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64 ngx_fd_t fd;
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65
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66 unsigned create_path:1;
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366
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67 unsigned delete_file:1;
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362
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68
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69 ngx_log_t *log;
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70 } ngx_ext_rename_file_t;
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71
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72
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272
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73 typedef struct ngx_tree_ctx_s ngx_tree_ctx_t;
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74
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276
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75 typedef ngx_int_t (*ngx_tree_init_handler_pt) (void *ctx, void *prev);
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272
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76 typedef ngx_int_t (*ngx_tree_handler_pt) (ngx_tree_ctx_t *ctx, ngx_str_t *name);
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77
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78 struct ngx_tree_ctx_s {
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276
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79 off_t size;
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80 ngx_uint_t access;
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81 time_t mtime;
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82
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272
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83 ngx_tree_init_handler_pt init_handler;
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84 ngx_tree_handler_pt file_handler;
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85 ngx_tree_handler_pt pre_tree_handler;
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86 ngx_tree_handler_pt post_tree_handler;
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87 ngx_tree_handler_pt spec_handler;
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276
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88
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272
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89 void *data;
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276
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90 size_t alloc;
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91
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272
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92 ngx_log_t *log;
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93 };
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94
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95
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16
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96 ssize_t ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain);
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97 ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
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278
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98 ngx_pool_t *pool, ngx_uint_t persistent, ngx_uint_t clean,
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99 ngx_uint_t access);
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356
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100 void ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len);
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16
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101 ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path);
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218
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102 ngx_err_t ngx_create_full_path(u_char *dir, ngx_uint_t access);
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28
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103 ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot);
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16
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104 ngx_int_t ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user);
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362
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105 ngx_int_t ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to,
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106 ngx_ext_rename_file_t *ext);
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272
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107 ngx_int_t ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree);
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0
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108
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48
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109 void ngx_init_temp_number(void);
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44
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110 ngx_atomic_uint_t ngx_next_temp_number(ngx_uint_t collision);
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0
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111
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112 char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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318
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113 char *ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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0
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114
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115
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28
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116 #define ngx_conf_merge_path_value(curr, prev, path, l1, l2, l3, clean, cf) \
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117 if (curr == NULL) { \
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118 if (prev == NULL) { \
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50
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119 curr = ngx_palloc(cf->pool, sizeof(ngx_path_t)); \
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120 if (curr == NULL) { \
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28
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121 return NGX_CONF_ERROR; \
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122 } \
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123 \
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124 curr->name.len = sizeof(path) - 1; \
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125 curr->name.data = (u_char *) path; \
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126 \
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324
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127 if (ngx_conf_full_name(cf->cycle, &curr->name, 0) == NGX_ERROR) { \
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28
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128 return NGX_CONF_ERROR; \
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129 } \
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130 \
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131 curr->level[0] = l1; \
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132 curr->level[1] = l2; \
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133 curr->level[2] = l3; \
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134 curr->len = l1 + l2 + l3 + (l1 ? 1:0) + (l2 ? 1:0) + (l3 ? 1:0); \
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135 curr->cleaner = clean; \
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136 curr->conf_file = NULL; \
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137 \
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138 if (ngx_add_path(cf, &curr) == NGX_ERROR) { \
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139 return NGX_CONF_ERROR; \
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140 } \
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141 \
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142 } else { \
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143 curr = prev; \
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144 } \
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0
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145 }
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146
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147
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148
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149 #endif /* _NGX_FILE_H_INCLUDED_ */
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