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comparison src/http/modules/ngx_http_gzip_filter.c @ 356:2e3cbc1bbe3c

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nginx-0.0.7-2004-06-16-19:32:11 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 16 Jun 2004 15:32:11 +0000
parents 0fb6c53fb135
children 54f76b0b8dca
comparison
equal deleted inserted replaced
355:0fb6c53fb135 356:2e3cbc1bbe3c
62 z_stream zstream; 62 z_stream zstream;
63 ngx_http_request_t *request; 63 ngx_http_request_t *request;
64 } ngx_http_gzip_ctx_t; 64 } ngx_http_gzip_ctx_t;
65 65
66 66
67 static int ngx_http_gzip_proxied(ngx_http_request_t *r, 67 static ngx_int_t ngx_http_gzip_proxied(ngx_http_request_t *r,
68 ngx_http_gzip_conf_t *conf); 68 ngx_http_gzip_conf_t *conf);
69 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items, 69 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items,
70 u_int size); 70 u_int size);
71 static void ngx_http_gzip_filter_free(void *opaque, void *address); 71 static void ngx_http_gzip_filter_free(void *opaque, void *address);
72 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx); 72 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx);
73 73
74 static u_char *ngx_http_gzip_log_ratio(ngx_http_request_t *r, u_char *buf, 74 static u_char *ngx_http_gzip_log_ratio(ngx_http_request_t *r, u_char *buf,
75 uintptr_t data); 75 uintptr_t data);
76 76
77 static int ngx_http_gzip_pre_conf(ngx_conf_t *cf); 77 static ngx_int_t ngx_http_gzip_pre_conf(ngx_conf_t *cf);
78 static int ngx_http_gzip_filter_init(ngx_cycle_t *cycle); 78 static ngx_int_t ngx_http_gzip_filter_init(ngx_cycle_t *cycle);
79 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf); 79 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf);
80 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, 80 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf,
81 void *parent, void *child); 81 void *parent, void *child);
82 static char *ngx_http_gzip_set_window(ngx_conf_t *cf, void *post, void *data); 82 static char *ngx_http_gzip_set_window(ngx_conf_t *cf, void *post, void *data);
83 static char *ngx_http_gzip_set_hash(ngx_conf_t *cf, void *post, void *data); 83 static char *ngx_http_gzip_set_hash(ngx_conf_t *cf, void *post, void *data);
236 236
237 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; 237 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
238 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; 238 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
239 239
240 240
241 static int ngx_http_gzip_header_filter(ngx_http_request_t *r) 241 static ngx_int_t ngx_http_gzip_header_filter(ngx_http_request_t *r)
242 { 242 {
243 ngx_http_gzip_ctx_t *ctx; 243 ngx_http_gzip_ctx_t *ctx;
244 ngx_http_gzip_conf_t *conf; 244 ngx_http_gzip_conf_t *conf;
245 245
246 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); 246 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
286 * if the URL (without the "http://" prefix) is longer than 253 bytes 286 * if the URL (without the "http://" prefix) is longer than 253 bytes
287 * then MSIE 4.x can not handle the compressed stream - it waits too long, 287 * then MSIE 4.x can not handle the compressed stream - it waits too long,
288 * hangs up or crashes 288 * hangs up or crashes
289 */ 289 */
290 290
291 if (r->headers_in.user_agent 291 if (r->headers_in.msie4 && r->unparsed_uri.len > 200) {
292 && r->unparsed_uri.len > 200
293 && ngx_strstr(r->headers_in.user_agent->value.data, "MSIE 4"))
294 {
295 return ngx_http_next_header_filter(r); 292 return ngx_http_next_header_filter(r);
296 } 293 }
297 294
298 295
299 ngx_http_create_ctx(r, ctx, ngx_http_gzip_filter_module, 296 ngx_http_create_ctx(r, ctx, ngx_http_gzip_filter_module,
321 318
322 return ngx_http_next_header_filter(r); 319 return ngx_http_next_header_filter(r);
323 } 320 }
324 321
325 322
326 static int ngx_http_gzip_proxied(ngx_http_request_t *r, 323 static ngx_int_t ngx_http_gzip_proxied(ngx_http_request_t *r,
327 ngx_http_gzip_conf_t *conf) 324 ngx_http_gzip_conf_t *conf)
328 { 325 {
329 time_t date, expires; 326 time_t date, expires;
330 327
331 if (r->headers_in.authorization 328 if (r->headers_in.authorization
332 && (conf->proxied & NGX_HTTP_GZIP_PROXIED_AUTH)) 329 && (conf->proxied & NGX_HTTP_GZIP_PROXIED_AUTH))
401 398
402 return NGX_OK; 399 return NGX_OK;
403 } 400 }
404 401
405 402
406 static int ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in) 403 static ngx_int_t ngx_http_gzip_body_filter(ngx_http_request_t *r,
404 ngx_chain_t *in)
407 { 405 {
408 int rc, wbits, memlevel, last; 406 int rc, wbits, memlevel, last;
409 struct gztrailer *trailer; 407 struct gztrailer *trailer;
410 ngx_buf_t *b; 408 ngx_buf_t *b;
411 ngx_chain_t *cl; 409 ngx_chain_t *cl;
817 zfrac = 0; 815 zfrac = 0;
818 } 816 }
819 } 817 }
820 818
821 return buf + ngx_snprintf((char *) buf, NGX_INT32_LEN + 4, 819 return buf + ngx_snprintf((char *) buf, NGX_INT32_LEN + 4,
822 "%d.%02d", zint, zfrac); 820 "%" NGX_UINT_T_FMT ".%02" NGX_UINT_T_FMT,
821 zint, zfrac);
823 } 822 }
824 823
825 824
826 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx) 825 ngx_inline static int ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx)
827 { 826 {
836 835
837 return NGX_ERROR; 836 return NGX_ERROR;
838 } 837 }
839 838
840 839
841 static int ngx_http_gzip_pre_conf(ngx_conf_t *cf) 840 static ngx_int_t ngx_http_gzip_pre_conf(ngx_conf_t *cf)
842 { 841 {
843 ngx_http_log_op_name_t *op; 842 ngx_http_log_op_name_t *op;
844 843
845 for (op = ngx_http_gzip_log_fmt_ops; op->name.len; op++) { /* void */ } 844 for (op = ngx_http_gzip_log_fmt_ops; op->name.len; op++) { /* void */ }
846 op->op = NULL; 845 op->op = NULL;
857 856
858 return NGX_OK; 857 return NGX_OK;
859 } 858 }
860 859
861 860
862 static int ngx_http_gzip_filter_init(ngx_cycle_t *cycle) 861 static ngx_int_t ngx_http_gzip_filter_init(ngx_cycle_t *cycle)
863 { 862 {
864 ngx_http_next_header_filter = ngx_http_top_header_filter; 863 ngx_http_next_header_filter = ngx_http_top_header_filter;
865 ngx_http_top_header_filter = ngx_http_gzip_header_filter; 864 ngx_http_top_header_filter = ngx_http_gzip_header_filter;
866 865
867 ngx_http_next_body_filter = ngx_http_top_body_filter; 866 ngx_http_next_body_filter = ngx_http_top_body_filter;
892 891
893 892
894 conf->http_version = NGX_CONF_UNSET_UINT; 893 conf->http_version = NGX_CONF_UNSET_UINT;
895 894
896 conf->level = NGX_CONF_UNSET; 895 conf->level = NGX_CONF_UNSET;
897 conf->wbits = NGX_CONF_UNSET_UINT; 896 conf->wbits = (size_t) NGX_CONF_UNSET;
898 conf->memlevel = NGX_CONF_UNSET_UINT; 897 conf->memlevel = (size_t) NGX_CONF_UNSET;
899 conf->min_length = NGX_CONF_UNSET_UINT; 898 conf->min_length = NGX_CONF_UNSET;
900 899
901 return conf; 900 return conf;
902 } 901 }
903 902
904 903