ngx_ssl_set_session  110 event/ngx_event_openssl.h ngx_int_t ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session);
ngx_ssl_set_session  708 http/ngx_http_upstream_round_robin.c     rc = ngx_ssl_set_session(pc->connection, ssl_session);