Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_gzip_static_module.c @ 3275:b344b68da8c5
optimize some cycles:
*) delete surplus variable;
*) on i386/amd64 "while (n) / n--" is smaller than "while (n--)",
because the platforms have no postfix operations
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 02 Nov 2009 17:12:09 +0000 |
parents | 975f0558aab3 |
children | dddca6f42e7b |
rev | line source |
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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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11 |
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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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23 |
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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) { |
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99 return NGX_DECLINED; |
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100 } |
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101 |
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102 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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103 |
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104 if (clcf->gzip_vary && ngx_http_gzip_ok(r) != NGX_OK) { |
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105 return NGX_DECLINED; |
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106 } |
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107 |
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108 log = r->connection->log; |
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109 |
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110 p = ngx_http_map_uri_to_path(r, &path, &root, sizeof(".gz") - 1); |
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111 if (p == NULL) { |
557 | 112 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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113 } |
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114 |
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115 *p++ = '.'; |
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116 *p++ = 'g'; |
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117 *p++ = 'z'; |
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118 *p = '\0'; |
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119 |
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120 path.len = p - path.data; |
1454 | 121 |
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122 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, |
557 | 123 "http filename: \"%s\"", path.data); |
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124 |
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125 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
75a8d34459c5
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126 |
3178 | 127 of.read_ahead = clcf->read_ahead; |
2129 | 128 of.directio = clcf->directio; |
1767
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129 of.valid = clcf->open_file_cache_valid; |
1772 | 130 of.min_uses = clcf->open_file_cache_min_uses; |
1454 | 131 of.errors = clcf->open_file_cache_errors; |
1457 | 132 of.events = clcf->open_file_cache_events; |
1454 | 133 |
1799 | 134 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
135 != NGX_OK) | |
136 { | |
1454 | 137 switch (of.err) { |
138 | |
139 case 0: | |
140 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
148
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141 |
1454 | 142 case NGX_ENOENT: |
143 case NGX_ENOTDIR: | |
144 case NGX_ENAMETOOLONG: | |
145 | |
3135
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146 r->gzip = 0; |
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147 return NGX_DECLINED; |
148
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148 |
1454 | 149 case NGX_EACCES: |
150 | |
170
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diff
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151 level = NGX_LOG_ERR; |
1454 | 152 break; |
148
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153 |
1454 | 154 default: |
155 | |
170
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156 level = NGX_LOG_CRIT; |
1454 | 157 break; |
148
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158 } |
170
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159 |
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160 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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161 "%s \"%s\" failed", of.failed, path.data); |
170
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162 |
1799 | 163 return NGX_DECLINED; |
148
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164 } |
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165 |
1696 | 166 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd); |
148
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167 |
1454 | 168 if (of.is_dir) { |
201
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169 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir"); |
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170 return NGX_DECLINED; |
148
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171 } |
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172 |
461 | 173 #if !(NGX_WIN32) /* the not regular files are probably Unix specific */ |
176
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170
diff
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|
174 |
1454 | 175 if (!of.is_file) { |
201
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176 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
557 | 177 "\"%s\" is not a regular file", path.data); |
176
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170
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178 |
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179 return NGX_HTTP_NOT_FOUND; |
c0552e5ab567
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parents:
170
diff
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180 } |
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181 |
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182 #endif |
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170
diff
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183 |
2444
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set r->root_tested for non-error_page response only
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diff
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184 r->root_tested = !r->error_page; |
2087
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always test root existence for access_log with variables
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185 |
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186 rc = ngx_http_discard_request_body(r); |
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187 |
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188 if (rc != NGX_OK) { |
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189 return rc; |
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190 } |
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|
191 |
509 | 192 log->action = "sending response to client"; |
148
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143
diff
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|
193 |
201
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diff
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|
194 r->headers_out.status = NGX_HTTP_OK; |
1454 | 195 r->headers_out.content_length_n = of.size; |
196 r->headers_out.last_modified_time = of.mtime; | |
201
267ea1d98683
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200
diff
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|
197 |
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200
diff
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|
198 if (ngx_http_set_content_type(r) != NGX_OK) { |
200
abeaebe0a33c
nginx-0.0.1-2003-11-28-20:41:47 import
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parents:
199
diff
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|
199 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
abeaebe0a33c
nginx-0.0.1-2003-11-28-20:41:47 import
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parents:
199
diff
changeset
|
200 } |
abeaebe0a33c
nginx-0.0.1-2003-11-28-20:41:47 import
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199
diff
changeset
|
201 |
1790
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|
202 h = ngx_list_push(&r->headers_out.headers); |
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|
203 if (h == NULL) { |
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204 return NGX_ERROR; |
583 | 205 } |
206 | |
1790
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|
207 h->hash = 1; |
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|
208 h->key.len = sizeof("Content-Encoding") - 1; |
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|
209 h->key.data = (u_char *) "Content-Encoding"; |
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|
210 h->value.len = sizeof("gzip") - 1; |
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|
211 h->value.data = (u_char *) "gzip"; |
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212 |
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|
213 r->headers_out.content_encoding = h; |
2877
3cd2790f4a9b
add charset for ngx_http_gzip_static_module responses
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2756
diff
changeset
|
214 r->ignore_content_encoding = 1; |
1790
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|
215 |
577 | 216 /* we need to allocate all before the header would be sent */ |
1
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|
217 |
577 | 218 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
219 if (b == NULL) { | |
220 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
221 } | |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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parents:
24
diff
changeset
|
222 |
577 | 223 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); |
224 if (b->file == NULL) { | |
225 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
226 } | |
403
ea3113b181d1
nginx-0.0.9-2004-07-28-23:21:26 import
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parents:
400
diff
changeset
|
227 |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
89
diff
changeset
|
228 rc = ngx_http_send_header(r); |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
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parents:
142
diff
changeset
|
229 |
585 | 230 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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142
diff
changeset
|
231 return rc; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
232 } |
96
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
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parents:
89
diff
changeset
|
233 |
343
6bdf858bff8c
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parents:
334
diff
changeset
|
234 b->file_pos = 0; |
1454 | 235 b->file_last = of.size; |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
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|
236 |
1790
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237 b->in_file = b->file_last ? 1 : 0; |
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|
238 b->last_buf = 1; |
577 | 239 b->last_in_chain = 1; |
240 | |
1696 | 241 b->file->fd = of.fd; |
557 | 242 b->file->name = path; |
343
6bdf858bff8c
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parents:
334
diff
changeset
|
243 b->file->log = log; |
2231
8564129d49b6
*) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
244 b->file->directio = of.is_directio; |
343
6bdf858bff8c
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Igor Sysoev <igor@sysoev.ru>
parents:
334
diff
changeset
|
245 |
6bdf858bff8c
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parents:
334
diff
changeset
|
246 out.buf = b; |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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parents:
148
diff
changeset
|
247 out.next = NULL; |
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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148
diff
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|
248 |
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148
diff
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|
249 return ngx_http_output_filter(r, &out); |
1
d220029ac7f3
nginx-0.0.1-2002-08-15-21:20:26 import
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|
250 } |
148
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143
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|
251 |
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252 |
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|
253 static void * |
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254 ngx_http_gzip_static_create_conf(ngx_conf_t *cf) |
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255 { |
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|
256 ngx_http_gzip_static_conf_t *conf; |
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257 |
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258 conf = ngx_palloc(cf->pool, sizeof(ngx_http_gzip_static_conf_t)); |
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|
259 if (conf == NULL) { |
2912
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return NULL instead of NGX_CONF_ERROR on a create conf failure
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|
260 return NULL; |
1790
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261 } |
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262 |
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|
263 conf->enable = NGX_CONF_UNSET; |
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|
264 |
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265 return conf; |
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266 } |
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|
267 |
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|
268 |
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|
269 static char * |
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270 ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
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271 { |
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272 ngx_http_gzip_static_conf_t *prev = parent; |
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273 ngx_http_gzip_static_conf_t *conf = child; |
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274 |
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275 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
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276 |
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277 return NGX_CONF_OK; |
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278 } |
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279 |
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280 |
509 | 281 static ngx_int_t |
1790
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282 ngx_http_gzip_static_init(ngx_conf_t *cf) |
148
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283 { |
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284 ngx_http_handler_pt *h; |
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285 ngx_http_core_main_conf_t *cmcf; |
396
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286 |
681 | 287 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
577 | 288 |
501 | 289 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); |
201
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290 if (h == NULL) { |
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291 return NGX_ERROR; |
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292 } |
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293 |
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294 *h = ngx_http_gzip_static_handler; |
148
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295 |
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296 return NGX_OK; |
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297 } |