commit a2e1026eaa2fa4e9b6525e6d39dac7848694df0f
author Maxim Dounin <mdounin@mdounin.ru> Sun Aug 29 22:20:38 2021 +0300
committer Maxim Dounin <mdounin@mdounin.ru> Sun Aug 29 22:20:38 2021 +0300
tree c075464cb5f18187ae2fc3619ab98254ffc2be1c
parent 32d01402c64c7da7ec7e6c9cce3ed4701c6ca110

HTTP/2: improved handling of END_STREAM in a separate DATA frame.

The save body filter saves the request body to disk once the buffer is full.
Yet in HTTP/2 this might happen even if there is no need to save anything
to disk, notably when content length is known and the END_STREAM flag is
sent in a separate empty DATA frame.  Workaround is to provide additional
byte in the buffer, so saving the request body won't be triggered.

This fixes unexpected request body disk buffering in HTTP/2 observed after
the previous change when content length is known and the END_STREAM flag
is sent in a separate empty DATA frame.