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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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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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23
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24 off_t offset;
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25 off_t sys_offset;
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26
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27 ngx_log_t *log;
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28
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6
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29 ngx_uint_t valid_info:1; /* unsigned valid_info:1; */
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0
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30 };
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31
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32 #define NGX_MAX_PATH_LEVEL 3
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33
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34 struct ngx_path_s {
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35 ngx_str_t name;
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36 u_int len;
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37 u_int level[3];
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38 ngx_gc_handler_pt gc_handler;
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39 };
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40
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41
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42 typedef struct {
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43 ngx_file_t file;
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44 off_t offset;
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45 ngx_path_t *path;
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46 ngx_pool_t *pool;
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47 char *warn;
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48
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49 unsigned persistent:1;
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50 } ngx_temp_file_t;
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51
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52
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53 int ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain);
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54 int ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
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55 ngx_pool_t *pool, int persistent);
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56 void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path);
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57 int ngx_create_path(ngx_file_t *file, ngx_path_t *path);
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58
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59 void ngx_init_temp_number();
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60 ngx_uint_t ngx_next_temp_number(ngx_uint_t collision);
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61
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62 char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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63
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64
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65 #define ngx_conf_merge_path_value(conf, prev, path, l1, l2, l3, pool) \
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66 if (conf == NULL) { \
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67 if (prev == NULL) { \
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68 ngx_test_null(conf, ngx_palloc(pool, sizeof(ngx_path_t)), NULL); \
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69 conf->name.len = sizeof(path) - 1; \
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70 conf->name.data = (u_char *) path; \
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71 conf->level[0] = l1; \
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72 conf->level[1] = l2; \
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73 conf->level[2] = l3; \
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74 conf->len = l1 + l2 + l3 + (l1 ? 1:0) + (l2 ? 1:0) + (l3 ? 1:0); \
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75 } else { \
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76 conf = prev; \
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77 } \
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78 }
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79
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80
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81
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82 #endif /* _NGX_FILE_H_INCLUDED_ */
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