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move "Cache-Control" header code to specific handler

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This commit is contained in:
Igor Sysoev 2007-08-01 15:24:06 +00:00
parent c24bed89cd
commit dbc02c324b
1 changed files with 42 additions and 43 deletions
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85
src/http/modules/ngx_http_headers_filter_module.c
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@ -33,7 +33,6 @@ struct ngx_http_header_val_s {
typedef struct {
time_t expires;
ngx_str_t cache_control;
ngx_array_t *headers;
} ngx_http_headers_conf_t;
@ -44,7 +43,7 @@ typedef struct {
#define NGX_HTTP_EXPIRES_MAX -2147483644
static ngx_int_t ngx_http_add_header(ngx_http_request_t *r,
static ngx_int_t ngx_http_add_cache_control(ngx_http_request_t *r,
ngx_http_header_val_t *hv, ngx_str_t *value);
static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r,
ngx_http_header_val_t *hv, ngx_str_t *value);
@ -61,6 +60,8 @@ static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd,
static ngx_http_set_header_t ngx_http_set_headers[] = {
{ ngx_string("Cache-Control"), 0, ngx_http_add_cache_control },
{ ngx_string("Last-Modified"),
offsetof(ngx_http_headers_out_t, last_modified),
ngx_http_set_last_modified },
@ -251,38 +252,6 @@ ngx_http_headers_filter(ngx_http_request_t *r)
}
}
if (conf->cache_control.len) {
ccp = r->headers_out.cache_control.elts;
if (ccp == NULL) {
if (ngx_array_init(&r->headers_out.cache_control, r->pool,
1, sizeof(ngx_table_elt_t *))
!= NGX_OK)
{
return NGX_ERROR;
}
}
ccp = ngx_array_push(&r->headers_out.cache_control);
if (ccp == NULL) {
return NGX_ERROR;
}
cc = ngx_list_push(&r->headers_out.headers);
if (cc == NULL) {
return NGX_ERROR;
}
cc->hash = 1;
cc->key.len = sizeof("Cache-Control") - 1;
cc->key.data = (u_char *) "Cache-Control";
cc->value = conf->cache_control;
*ccp = cc;
}
if (conf->headers) {
h = conf->headers->elts;
for (i = 0; i < conf->headers->nelts; i++) {
@ -328,6 +297,45 @@ ngx_http_add_header(ngx_http_request_t *r, ngx_http_header_val_t *hv,
}
static ngx_int_t
ngx_http_add_cache_control(ngx_http_request_t *r, ngx_http_header_val_t *hv,
ngx_str_t *value)
{
ngx_table_elt_t *cc, **ccp;
ccp = r->headers_out.cache_control.elts;
if (ccp == NULL) {
if (ngx_array_init(&r->headers_out.cache_control, r->pool,
1, sizeof(ngx_table_elt_t *))
!= NGX_OK)
{
return NGX_ERROR;
}
}
ccp = ngx_array_push(&r->headers_out.cache_control);
if (ccp == NULL) {
return NGX_ERROR;
}
cc = ngx_list_push(&r->headers_out.headers);
if (cc == NULL) {
return NGX_ERROR;
}
cc->hash = 1;
cc->key.len = sizeof("Cache-Control") - 1;
cc->key.data = (u_char *) "Cache-Control";
cc->value = *value;
*ccp = cc;
return NGX_OK;
}
static ngx_int_t
ngx_http_set_last_modified(ngx_http_request_t *r, ngx_http_header_val_t *hv,
ngx_str_t *value)
@ -396,10 +404,6 @@ ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child)
NGX_HTTP_EXPIRES_OFF : prev->expires;
}
if (conf->cache_control.data == NULL) {
conf->cache_control = prev->cache_control;
}
if (conf->headers == NULL) {
conf->headers = prev->headers;
}
@ -493,11 +497,6 @@ ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
value = cf->args->elts;
if (ngx_strcasecmp(value[1].data, (u_char *) "cache-control") == 0) {
hcf->cache_control = value[2];
return NGX_CONF_OK;
}
if (hcf->headers == NULL) {
hcf->headers = ngx_array_create(cf->pool, 1,
sizeof(ngx_http_header_val_t));