commit 4c49b0c52eab0b3de718f7f6bd1e19b1fae9fa81
author Maxim Dounin <mdounin@mdounin.ru> Mon Sep 10 18:57:39 2018 +0300
committer Maxim Dounin <mdounin@mdounin.ru> Mon Sep 10 18:57:39 2018 +0300
tree b67a8eef1a7630a7910023fc04a552f4a4d0acfd
parent ec333c18b2ccda7584ce2817be866c1dd2a06f9b

SSL: restore handlers after blocking.

It is possible that after SSL_read() will return SSL_ERROR_WANT_WRITE,
further calls will return SSL_ERROR_WANT_READ without reading any
application data.  We have to call ngx_handle_write_event() and
switch back to normal write handling much like we do if there are some
application data, or the write there will be reported again and again.

Similarly, we have to switch back to normal read handling if there
is saved read handler and SSL_write() returns SSL_ERROR_WANT_WRITE.