session_id       1635 event/ngx_event_openssl.c     ngx_memcpy(id, sess->session_id, sess->session_id_length);
session_id       1637 event/ngx_event_openssl.c     hash = ngx_crc32_short(sess->session_id, sess->session_id_length);
session_id       1811 event/ngx_event_openssl.c     id = sess->session_id;