QUIC: the "quic_active_connection_id_limit" directive.

The directive sets corresponding transport parameter and limits number of
created client ids.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/stream/ngx_stream_quic_module.c b/src/stream/ngx_stream_quic_module.c
index 34f1e18ef..0505df501 100644
--- a/src/stream/ngx_stream_quic_module.c
+++ b/src/stream/ngx_stream_quic_module.c
@@ -67,6 +67,13 @@ static ngx_command_t  ngx_stream_quic_commands[] = {
       0,
       NULL },
 
+    { ngx_string("quic_active_connection_id_limit"),
+      NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_num_slot,
+      NGX_STREAM_SRV_CONF_OFFSET,
+      offsetof(ngx_quic_conf_t, active_connection_id_limit),
+      NULL },
+
       ngx_null_command
 };
 
@@ -176,6 +183,8 @@ ngx_stream_quic_create_srv_conf(ngx_conf_t *cf)
     conf->retry = NGX_CONF_UNSET;
     conf->gso_enabled = NGX_CONF_UNSET;
 
+    conf->active_connection_id_limit = NGX_CONF_UNSET_UINT;
+
     return conf;
 }
 
@@ -204,6 +213,10 @@ ngx_stream_quic_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
 
     ngx_conf_merge_str_value(conf->host_key, prev->host_key, "");
 
+    ngx_conf_merge_uint_value(conf->active_connection_id_limit,
+                              conf->active_connection_id_limit,
+                              2);
+
     if (conf->host_key.len == 0) {
 
         conf->host_key.len = NGX_QUIC_DEFAULT_HOST_KEY_LEN;