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diff src/http/v2/ngx_http_v2_module.c @ 9119:08ef02ad5c54

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HTTP/2: "http2" directive. The directive enables HTTP/2 in the current server. The previous way to enable HTTP/2 via "listen ... http2" is now deprecated. The new approach allows to share HTTP/2 and HTTP/0.9-1.1 on the same port. For SSL connections, HTTP/2 is now selected by ALPN callback based on whether the protocol is enabled in the virtual server chosen by SNI. This however only works since OpenSSL 1.0.2h, where ALPN callback is invoked after SNI callback. For older versions of OpenSSL, HTTP/2 is enabled based on the default virtual server configuration. For plain TCP connections, HTTP/2 is now auto-detected by HTTP/2 preface, if HTTP/2 is enabled in the default virtual server. If preface is not matched, HTTP/0.9-1.1 is assumed.
author Roman Arutyunyan <arut@nginx.com>
date Tue, 16 May 2023 16:30:08 +0400
parents 827202ca1269
children 262c01782566
line wrap: on
line diff
--- a/src/http/v2/ngx_http_v2_module.c
+++ b/src/http/v2/ngx_http_v2_module.c
@@ -75,6 +75,13 @@ static ngx_conf_post_t  ngx_http_v2_chun
 
 static ngx_command_t  ngx_http_v2_commands[] = {
 
+    { ngx_string("http2"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_SRV_CONF_OFFSET,
+      offsetof(ngx_http_v2_srv_conf_t, enable),
+      NULL },
+
     { ngx_string("http2_recv_buffer_size"),
       NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
       ngx_conf_set_size_slot,
@@ -314,6 +321,8 @@ ngx_http_v2_create_srv_conf(ngx_conf_t *
         return NULL;
     }
 
+    h2scf->enable = NGX_CONF_UNSET;
+
     h2scf->pool_size = NGX_CONF_UNSET_SIZE;
 
     h2scf->concurrent_streams = NGX_CONF_UNSET_UINT;
@@ -333,6 +342,8 @@ ngx_http_v2_merge_srv_conf(ngx_conf_t *c
     ngx_http_v2_srv_conf_t *prev = parent;
     ngx_http_v2_srv_conf_t *conf = child;
 
+    ngx_conf_merge_value(conf->enable, prev->enable, 0);
+
     ngx_conf_merge_size_value(conf->pool_size, prev->pool_size, 4096);
 
     ngx_conf_merge_uint_value(conf->concurrent_streams,