commit 7753daee6e294b35538d29a04cecfbb9043357c5
author Sergey Kandaurov <pluknet@nginx.com> Tue Dec 18 15:15:15 2018 +0300
committer Sergey Kandaurov <pluknet@nginx.com> Tue Dec 18 15:15:15 2018 +0300
tree 890eb26816e52c4b5b9bf0aa9c76abdb3dac9716
parent 1d096691458cb2a095b0a1ef68b11da6a1eadc0c

SSL: avoid reading on pending SSL_write_early_data().

If SSL_write_early_data() returned SSL_ERROR_WANT_WRITE, stop further reading
using a newly introduced c->ssl->write_blocked flag, as otherwise this would
result in SSL error "ssl3_write_bytes:bad length".  Eventually, normal reading
will be restored by read event posted from successful SSL_write_early_data().

While here, place "SSL_write_early_data: want write" debug on the path.