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comparison src/http/modules/ngx_http_headers_filter_module.c @ 7199:6ba68ad8b24c

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Basic support of the Link response header.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 08 Feb 2018 09:54:18 +0300
parents 8666da1ecf33
children ef6a3a99a81a
comparison
equal deleted inserted replaced
7198:573f20116163 7199:6ba68ad8b24c
54 54
55 static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r, 55 static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r,
56 ngx_http_headers_conf_t *conf); 56 ngx_http_headers_conf_t *conf);
57 static ngx_int_t ngx_http_parse_expires(ngx_str_t *value, 57 static ngx_int_t ngx_http_parse_expires(ngx_str_t *value,
58 ngx_http_expires_t *expires, time_t *expires_time, char **err); 58 ngx_http_expires_t *expires, time_t *expires_time, char **err);
59 static ngx_int_t ngx_http_add_cache_control(ngx_http_request_t *r, 59 static ngx_int_t ngx_http_add_multi_header_lines(ngx_http_request_t *r,
60 ngx_http_header_val_t *hv, ngx_str_t *value); 60 ngx_http_header_val_t *hv, ngx_str_t *value);
61 static ngx_int_t ngx_http_add_header(ngx_http_request_t *r, 61 static ngx_int_t ngx_http_add_header(ngx_http_request_t *r,
62 ngx_http_header_val_t *hv, ngx_str_t *value); 62 ngx_http_header_val_t *hv, ngx_str_t *value);
63 static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r, 63 static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r,
64 ngx_http_header_val_t *hv, ngx_str_t *value); 64 ngx_http_header_val_t *hv, ngx_str_t *value);
75 void *conf); 75 void *conf);
76 76
77 77
78 static ngx_http_set_header_t ngx_http_set_headers[] = { 78 static ngx_http_set_header_t ngx_http_set_headers[] = {
79 79
80 { ngx_string("Cache-Control"), 0, ngx_http_add_cache_control }, 80 { ngx_string("Cache-Control"),
81 offsetof(ngx_http_headers_out_t, cache_control),
82 ngx_http_add_multi_header_lines },
83
84 { ngx_string("Link"),
85 offsetof(ngx_http_headers_out_t, link),
86 ngx_http_add_multi_header_lines },
81 87
82 { ngx_string("Last-Modified"), 88 { ngx_string("Last-Modified"),
83 offsetof(ngx_http_headers_out_t, last_modified), 89 offsetof(ngx_http_headers_out_t, last_modified),
84 ngx_http_set_last_modified }, 90 ngx_http_set_last_modified },
85 91
553 return NGX_OK; 559 return NGX_OK;
554 } 560 }
555 561
556 562
557 static ngx_int_t 563 static ngx_int_t
558 ngx_http_add_cache_control(ngx_http_request_t *r, ngx_http_header_val_t *hv, 564 ngx_http_add_multi_header_lines(ngx_http_request_t *r,
559 ngx_str_t *value) 565 ngx_http_header_val_t *hv, ngx_str_t *value)
560 { 566 {
561 ngx_table_elt_t *cc, **ccp; 567 ngx_array_t *pa;
568 ngx_table_elt_t *h, **ph;
562 569
563 if (value->len == 0) { 570 if (value->len == 0) {
564 return NGX_OK; 571 return NGX_OK;
565 } 572 }
566 573
567 ccp = r->headers_out.cache_control.elts; 574 pa = (ngx_array_t *) ((char *) &r->headers_out + hv->offset);
568 575
569 if (ccp == NULL) { 576 if (pa->elts == NULL) {
570 577 if (ngx_array_init(pa, r->pool, 1, sizeof(ngx_table_elt_t *)) != NGX_OK)
571 if (ngx_array_init(&r->headers_out.cache_control, r->pool,
572 1, sizeof(ngx_table_elt_t *))
573 != NGX_OK)
574 { 578 {
575 return NGX_ERROR; 579 return NGX_ERROR;
576 } 580 }
577 } 581 }
578 582
579 cc = ngx_list_push(&r->headers_out.headers); 583 h = ngx_list_push(&r->headers_out.headers);
580 if (cc == NULL) { 584 if (h == NULL) {
581 return NGX_ERROR; 585 return NGX_ERROR;
582 } 586 }
583 587
584 cc->hash = 1; 588 h->hash = 1;
585 ngx_str_set(&cc->key, "Cache-Control"); 589 h->key = hv->key;
586 cc->value = *value; 590 h->value = *value;
587 591
588 ccp = ngx_array_push(&r->headers_out.cache_control); 592 ph = ngx_array_push(pa);
589 if (ccp == NULL) { 593 if (ph == NULL) {
590 return NGX_ERROR; 594 return NGX_ERROR;
591 } 595 }
592 596
593 *ccp = cc; 597 *ph = h;
594 598
595 return NGX_OK; 599 return NGX_OK;
596 } 600 }
597 601
598 602