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nginx-quic
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HTTP/3: $http3 variable. 

A new variable $http3 is added.  The variable equals to "h3" for HTTP/3
connections, "hq" for hq connections and is an empty string otherwise.

The variable $quic is eliminated.

The new variable is similar to $http2 variable.
This commit is contained in:
Roman Arutyunyan 2021-12-01 11:02:17 +03:00
parent 88d2f21fc9
commit 52b891d39c
2 changed files with 30 additions and 8 deletions
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6
README
View File

@ -141,7 +141,11 @@ Experimental QUIC support for nginx
http3_push_preload
http3_hq (requires NGX_HTTP_V3_HQ macro)
An additional variable is available: $quic.
In http, an additional variable is available: $http3.
The value of $http3 is "h3" for HTTP/3 connections,
"hq" for hq connections, or an empty string otherwise.
In stream, an additional variable is available: $quic.
The value of $quic is "quic" if QUIC connection is used,
or an empty string otherwise.

32
src/http/v3/ngx_http_v3_module.c
View File

@ -10,7 +10,7 @@
#include <ngx_http.h>
static ngx_int_t ngx_http_v3_variable_quic(ngx_http_request_t *r,
static ngx_int_t ngx_http_v3_variable(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf);
static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf);
@ -235,7 +235,7 @@ ngx_module_t ngx_http_v3_module = {
static ngx_http_variable_t ngx_http_v3_vars[] = {
{ ngx_string("quic"), NULL, ngx_http_v3_variable_quic, 0, 0, 0 },
{ ngx_string("http3"), NULL, ngx_http_v3_variable, 0, 0, 0 },
ngx_http_null_variable
};
@ -244,20 +244,38 @@ static ngx_str_t ngx_http_quic_salt = ngx_string("ngx_quic");
static ngx_int_t
ngx_http_v3_variable_quic(ngx_http_request_t *r,
ngx_http_v3_variable(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data)
{
if (r->connection->quic) {
#if (NGX_HTTP_V3_HQ)
v->len = 4;
ngx_http_v3_srv_conf_t *h3scf;
h3scf = ngx_http_get_module_srv_conf(r, ngx_http_v3_module);
if (h3scf->hq) {
v->len = sizeof("hq") - 1;
v->valid = 1;
v->no_cacheable = 0;
v->not_found = 0;
v->data = (u_char *) "hq";
return NGX_OK;
}
#endif
v->len = sizeof("h3") - 1;
v->valid = 1;
v->no_cacheable = 1;
v->no_cacheable = 0;
v->not_found = 0;
v->data = (u_char *) "quic";
v->data = (u_char *) "h3";
return NGX_OK;
}
v->not_found = 1;
*v = ngx_http_variable_null_value;
return NGX_OK;
}