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annotate src/http/ngx_http_file_cache.c @ 441:da8c5707af39

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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
author Igor Sysoev <igor@sysoev.ru>
date Tue, 28 Sep 2004 08:34:51 +0000
parents 6468241715e6
children 42d11f017717
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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3 * Copyright (C) 2002-2004 Igor Sysoev
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
202
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6
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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7 #include <ngx_config.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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8 #include <ngx_core.h>
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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9 #include <ngx_http.h>
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74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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11
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6468241715e6 nginx-0.0.2-2004-02-20-19:48:59 import
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12 #if (HAVE_OPENSSL_MD5_H)
6468241715e6 nginx-0.0.2-2004-02-20-19:48:59 import
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13 #include <openssl/md5.h>
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14 #else
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15 #include <md5.h>
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16 #endif
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17
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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18 #if (HAVE_OPENSSL_MD5)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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19 #define MD5Init MD5_Init
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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20 #define MD5Update MD5_Update
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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21 #define MD5Final MD5_Final
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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22 #endif
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74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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26 int ngx_http_cache_get_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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27 {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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28 MD5_CTX md5;
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29
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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30 /* we use offsetof() because sizeof() pads struct size to int size */
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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31 ctx->header_size = offsetof(ngx_http_cache_header_t, key)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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32 + ctx->key.len + 1;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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33
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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34 ctx->file.name.len = ctx->path->name.len + 1 + ctx->path->len + 32;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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35 if (!(ctx->file.name.data = ngx_palloc(r->pool, ctx->file.name.len + 1))) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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36 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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37 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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38
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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39 ngx_memcpy(ctx->file.name.data, ctx->path->name.data, ctx->path->name.len);
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40
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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41 MD5Init(&md5);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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42 MD5Update(&md5, (u_char *) ctx->key.data, ctx->key.len);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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43 MD5Final(ctx->md5, &md5);
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44
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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45 ngx_md5_text(ctx->file.name.data + ctx->path->name.len + 1 + ctx->path->len,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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46 ctx->md5);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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47
257
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48 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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49 "file cache uri: %s, md5: %s", ctx->key.data,
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50 ctx->file.name.data + ctx->path->name.len + 1 + ctx->path->len);
202
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51
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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52 ngx_create_hashed_filename(&ctx->file, ctx->path);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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53
257
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54 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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55 "file cache name: %s", ctx->file.name.data);
202
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56
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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57 /* TODO: look open files cache */
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58
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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59 return ngx_http_cache_open_file(ctx, 0);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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60 }
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61
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62
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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63 int ngx_http_cache_open_file(ngx_http_cache_ctx_t *ctx, ngx_file_uniq_t uniq)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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64 {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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65 ssize_t n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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66 ngx_err_t err;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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67 ngx_http_cache_header_t *h;
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68
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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69 ctx->file.fd = ngx_open_file(ctx->file.name.data,
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70 NGX_FILE_RDONLY, NGX_FILE_OPEN);
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71
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72 if (ctx->file.fd == NGX_INVALID_FILE) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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73 err = ngx_errno;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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74
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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75 if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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76 return NGX_DECLINED;
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77 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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78
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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79 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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80 ngx_open_file_n " \"%s\" failed", ctx->file.name.data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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81 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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82 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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83
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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84 if (uniq) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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85 if (ngx_fd_info(ctx->file.fd, &ctx->file.info) == NGX_FILE_ERROR) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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86 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
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87 ngx_fd_info_n " \"%s\" failed", ctx->file.name.data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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88
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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89 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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90 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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91
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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92 if (ngx_file_uniq(&ctx->file.info) == uniq) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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93 if (ngx_close_file(ctx->file.fd) == NGX_FILE_ERROR) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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94 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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95 ngx_close_file_n " \"%s\" failed",
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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96 ctx->file.name.data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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97 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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98
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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99 return NGX_HTTP_CACHE_THE_SAME;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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100 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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101 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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102
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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103 n = ngx_read_file(&ctx->file, ctx->buf->pos,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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104 ctx->buf->end - ctx->buf->last, 0);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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105
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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106 if (n == NGX_ERROR || n == NGX_AGAIN) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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107 return n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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108 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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109
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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110 if (n <= ctx->header_size) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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111 ngx_log_error(NGX_LOG_CRIT, ctx->log, 0,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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112 "cache file \"%s\" is too small", ctx->file.name.data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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113 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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114 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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115
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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116 h = (ngx_http_cache_header_t *) ctx->buf->pos;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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117 ctx->expires = h->expires;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 ctx->last_modified= h->last_modified;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 ctx->date = h->date;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 ctx->length = h->length;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 if (h->key_len > (size_t) (ctx->buf->end - ctx->buf->pos)) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 ngx_log_error(NGX_LOG_ALERT, ctx->log, 0,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 "cache file \"%s\" is probably invalid",
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 ctx->file.name.data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 if (ctx->key.len
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 && (h->key_len != ctx->key.len
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 || ngx_strncmp(h->key, ctx->key.data, h->key_len) != 0))
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 h->key[h->key_len] = '\0';
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 ngx_log_error(NGX_LOG_ALERT, ctx->log, 0,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 "md5 collision: \"%s\" and \"%s\"",
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 h->key, ctx->key.data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 return NGX_DECLINED;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 ctx->buf->last += n;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 if (ctx->expires < ngx_time()) {
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 202
diff changeset
143
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 202
diff changeset
144 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 202
diff changeset
145 "http file cache expired");
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 202
diff changeset
146
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 return NGX_HTTP_CACHE_STALE;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 /* TODO: NGX_HTTP_CACHE_AGED */
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 int ngx_http_cache_update_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 ngx_str_t *temp_file)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 int retry;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 ngx_err_t err;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 retry = 0;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 for ( ;; ) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 if (ngx_rename_file(temp_file->data, ctx->file.name.data) == NGX_OK) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 err = ngx_errno;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 #if (WIN32)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 if (err == NGX_EEXIST) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 if (ngx_win32_rename_file(temp_file, &ctx->file.name, r->pool)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 == NGX_ERROR)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 #endif
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 if (retry || (err != NGX_ENOENT && err != NGX_ENOTDIR)) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 ngx_rename_file_n "(\"%s\", \"%s\") failed",
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 temp_file->data, ctx->file.name.data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 if (ngx_create_path(&ctx->file, ctx->path) == NGX_ERROR) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 retry = 1;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 int ngx_garbage_collector_http_cache_handler(ngx_gc_t *gc, ngx_str_t *name,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 ngx_dir_t *dir)
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 int rc;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 char data[sizeof(ngx_http_cache_header_t)];
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 ngx_hunk_t buf;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 ngx_http_cache_ctx_t ctx;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 ctx.file.fd = NGX_INVALID_FILE;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 ctx.file.name = *name;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 ctx.file.log = gc->log;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 ctx.header_size = sizeof(ngx_http_cache_header_t);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 ctx.buf = &buf;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 ctx.log = gc->log;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 ctx.key.len = 0;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 buf.type = NGX_HUNK_IN_MEMORY|NGX_HUNK_TEMP;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 buf.pos = data;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 buf.last = data;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 buf.start = data;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 buf.end = data + sizeof(ngx_http_cache_header_t);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 rc = ngx_http_cache_open_file(&ctx, 0);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 /* TODO: NGX_AGAIN */
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 if (rc != NGX_ERROR && rc != NGX_DECLINED && rc != NGX_HTTP_CACHE_STALE) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 if (ngx_delete_file(name->data) == NGX_FILE_ERROR) {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 ngx_log_error(NGX_LOG_CRIT, gc->log, ngx_errno,
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 ngx_delete_file_n " \"%s\" failed", name->data);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 return NGX_ERROR;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 }
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 gc->deleted++;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 gc->freed += ngx_de_size(dir);
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 return NGX_OK;
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 }