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annotate src/http/modules/ngx_http_gzip_static_module.c @ 3009:9848a16d05ea
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 31 Jul 2009 12:41:02 +0000 |
parents | c7d57b539248 |
children | 784126370092 |
rev | line source |
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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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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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12 typedef struct { |
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13 ngx_flag_t enable; |
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14 } ngx_http_gzip_static_conf_t; |
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15 |
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16 |
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17 static ngx_int_t ngx_http_gzip_static_handler(ngx_http_request_t *r); |
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18 static void *ngx_http_gzip_static_create_conf(ngx_conf_t *cf); |
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19 static char *ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent, |
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20 void *child); |
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21 static ngx_int_t ngx_http_gzip_static_init(ngx_conf_t *cf); |
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22 |
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24 static ngx_command_t ngx_http_gzip_static_commands[] = { |
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25 |
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26 { ngx_string("gzip_static"), |
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27 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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28 ngx_conf_set_flag_slot, |
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29 NGX_HTTP_LOC_CONF_OFFSET, |
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30 offsetof(ngx_http_gzip_static_conf_t, enable), |
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31 NULL }, |
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32 |
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33 ngx_null_command |
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34 }; |
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35 |
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36 |
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37 ngx_http_module_t ngx_http_gzip_static_module_ctx = { |
509 | 38 NULL, /* preconfiguration */ |
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39 ngx_http_gzip_static_init, /* postconfiguration */ |
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40 |
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41 NULL, /* create main configuration */ |
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42 NULL, /* init main configuration */ |
577 | 43 |
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44 NULL, /* create server configuration */ |
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45 NULL, /* merge server configuration */ |
577 | 46 |
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47 ngx_http_gzip_static_create_conf, /* create location configuration */ |
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48 ngx_http_gzip_static_merge_conf /* merge location configuration */ |
577 | 49 }; |
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50 |
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51 |
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52 ngx_module_t ngx_http_gzip_static_module = { |
509 | 53 NGX_MODULE_V1, |
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54 &ngx_http_gzip_static_module_ctx, /* module context */ |
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55 ngx_http_gzip_static_commands, /* module directives */ |
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56 NGX_HTTP_MODULE, /* module type */ |
541 | 57 NULL, /* init master */ |
681 | 58 NULL, /* init module */ |
541 | 59 NULL, /* init process */ |
60 NULL, /* init thread */ | |
61 NULL, /* exit thread */ | |
62 NULL, /* exit process */ | |
63 NULL, /* exit master */ | |
64 NGX_MODULE_V1_PADDING | |
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65 }; |
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66 |
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67 |
509 | 68 static ngx_int_t |
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69 ngx_http_gzip_static_handler(ngx_http_request_t *r) |
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70 { |
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71 u_char *p; |
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72 size_t root; |
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73 ngx_str_t path; |
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74 ngx_int_t rc; |
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75 ngx_uint_t level; |
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76 ngx_log_t *log; |
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77 ngx_buf_t *b; |
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78 ngx_chain_t out; |
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79 ngx_table_elt_t *h; |
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80 ngx_open_file_info_t of; |
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81 ngx_http_core_loc_conf_t *clcf; |
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82 ngx_http_gzip_static_conf_t *gzcf; |
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83 |
645 | 84 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { |
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85 return NGX_DECLINED; |
639 | 86 } |
87 | |
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88 if (r->uri.data[r->uri.len - 1] == '/') { |
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89 return NGX_DECLINED; |
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90 } |
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91 |
489 | 92 if (r->zero_in_uri) { |
93 return NGX_DECLINED; | |
94 } | |
95 | |
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96 gzcf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_static_module); |
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97 |
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98 if (!gzcf->enable || ngx_http_gzip_ok(r) != NGX_OK) { |
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99 return NGX_DECLINED; |
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100 } |
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101 |
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102 log = r->connection->log; |
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103 |
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104 p = ngx_http_map_uri_to_path(r, &path, &root, sizeof(".gz") - 1); |
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105 if (p == NULL) { |
557 | 106 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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107 } |
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108 |
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109 *p++ = '.'; |
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110 *p++ = 'g'; |
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111 *p++ = 'z'; |
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112 *p = '\0'; |
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113 |
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114 path.len = p - path.data; |
1454 | 115 |
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116 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, |
557 | 117 "http filename: \"%s\"", path.data); |
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118 |
1454 | 119 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
563 | 120 |
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121 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
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122 |
2129 | 123 of.directio = clcf->directio; |
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124 of.valid = clcf->open_file_cache_valid; |
1772 | 125 of.min_uses = clcf->open_file_cache_min_uses; |
1454 | 126 of.errors = clcf->open_file_cache_errors; |
1457 | 127 of.events = clcf->open_file_cache_events; |
1454 | 128 |
1799 | 129 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
130 != NGX_OK) | |
131 { | |
1454 | 132 switch (of.err) { |
133 | |
134 case 0: | |
135 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
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136 |
1454 | 137 case NGX_ENOENT: |
138 case NGX_ENOTDIR: | |
139 case NGX_ENAMETOOLONG: | |
140 | |
1790
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141 return NGX_DECLINED; |
148
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143
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142 |
1454 | 143 case NGX_EACCES: |
144 | |
170
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145 level = NGX_LOG_ERR; |
1454 | 146 break; |
148
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147 |
1454 | 148 default: |
149 | |
170
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150 level = NGX_LOG_CRIT; |
1454 | 151 break; |
148
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152 } |
170
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153 |
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154 ngx_log_error(level, log, of.err, |
2756
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*) of.test_only to not open file if only stat() is enough
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155 "%s \"%s\" failed", of.failed, path.data); |
170
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156 |
1799 | 157 return NGX_DECLINED; |
148
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158 } |
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159 |
1696 | 160 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd); |
148
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161 |
1454 | 162 if (of.is_dir) { |
201
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163 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir"); |
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164 return NGX_DECLINED; |
148
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165 } |
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166 |
461 | 167 #if !(NGX_WIN32) /* the not regular files are probably Unix specific */ |
176
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168 |
1454 | 169 if (!of.is_file) { |
201
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170 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
557 | 171 "\"%s\" is not a regular file", path.data); |
176
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170
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172 |
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173 return NGX_HTTP_NOT_FOUND; |
c0552e5ab567
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174 } |
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175 |
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176 #endif |
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177 |
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178 r->root_tested = !r->error_page; |
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179 |
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180 rc = ngx_http_discard_request_body(r); |
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181 |
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182 if (rc != NGX_OK) { |
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183 return rc; |
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184 } |
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185 |
509 | 186 log->action = "sending response to client"; |
148
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187 |
201
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188 r->headers_out.status = NGX_HTTP_OK; |
1454 | 189 r->headers_out.content_length_n = of.size; |
190 r->headers_out.last_modified_time = of.mtime; | |
201
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200
diff
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191 |
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192 if (ngx_http_set_content_type(r) != NGX_OK) { |
200
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nginx-0.0.1-2003-11-28-20:41:47 import
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199
diff
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193 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
abeaebe0a33c
nginx-0.0.1-2003-11-28-20:41:47 import
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199
diff
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|
194 } |
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199
diff
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195 |
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196 h = ngx_list_push(&r->headers_out.headers); |
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197 if (h == NULL) { |
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198 return NGX_ERROR; |
583 | 199 } |
200 | |
1790
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201 h->hash = 1; |
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202 h->key.len = sizeof("Content-Encoding") - 1; |
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203 h->key.data = (u_char *) "Content-Encoding"; |
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204 h->value.len = sizeof("gzip") - 1; |
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205 h->value.data = (u_char *) "gzip"; |
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206 |
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207 r->headers_out.content_encoding = h; |
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208 r->ignore_content_encoding = 1; |
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209 |
577 | 210 /* we need to allocate all before the header would be sent */ |
1
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211 |
577 | 212 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
213 if (b == NULL) { | |
214 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
215 } | |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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24
diff
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|
216 |
577 | 217 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); |
218 if (b->file == NULL) { | |
219 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
220 } | |
403
ea3113b181d1
nginx-0.0.9-2004-07-28-23:21:26 import
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400
diff
changeset
|
221 |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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89
diff
changeset
|
222 rc = ngx_http_send_header(r); |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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142
diff
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|
223 |
585 | 224 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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225 return rc; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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96
diff
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|
226 } |
96
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227 |
343
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diff
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|
228 b->file_pos = 0; |
1454 | 229 b->file_last = of.size; |
1
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230 |
1790
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231 b->in_file = b->file_last ? 1 : 0; |
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232 b->last_buf = 1; |
577 | 233 b->last_in_chain = 1; |
234 | |
1696 | 235 b->file->fd = of.fd; |
557 | 236 b->file->name = path; |
343
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334
diff
changeset
|
237 b->file->log = log; |
2231
8564129d49b6
*) handle unaligned file part for directio
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2129
diff
changeset
|
238 b->file->directio = of.is_directio; |
343
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334
diff
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|
239 |
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334
diff
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|
240 out.buf = b; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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148
diff
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|
241 out.next = NULL; |
c71aeb75c071
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148
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242 |
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|
243 return ngx_http_output_filter(r, &out); |
1
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nginx-0.0.1-2002-08-15-21:20:26 import
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244 } |
148
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143
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|
245 |
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|
246 |
1790
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|
247 static void * |
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248 ngx_http_gzip_static_create_conf(ngx_conf_t *cf) |
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249 { |
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250 ngx_http_gzip_static_conf_t *conf; |
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251 |
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252 conf = ngx_palloc(cf->pool, sizeof(ngx_http_gzip_static_conf_t)); |
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253 if (conf == NULL) { |
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254 return NULL; |
1790
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255 } |
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256 |
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257 conf->enable = NGX_CONF_UNSET; |
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258 |
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259 return conf; |
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260 } |
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261 |
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262 |
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|
263 static char * |
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264 ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
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265 { |
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266 ngx_http_gzip_static_conf_t *prev = parent; |
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267 ngx_http_gzip_static_conf_t *conf = child; |
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268 |
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269 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
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270 |
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271 return NGX_CONF_OK; |
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272 } |
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273 |
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274 |
509 | 275 static ngx_int_t |
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276 ngx_http_gzip_static_init(ngx_conf_t *cf) |
148
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277 { |
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278 ngx_http_handler_pt *h; |
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279 ngx_http_core_main_conf_t *cmcf; |
396
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280 |
681 | 281 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
577 | 282 |
501 | 283 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); |
201
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284 if (h == NULL) { |
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285 return NGX_ERROR; |
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286 } |
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287 |
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288 *h = ngx_http_gzip_static_handler; |
148
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289 |
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290 return NGX_OK; |
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291 } |