tree d263149f308ecd1dca73daaa5c1f260ebd9160e7
parent 9400cf98ac8e3c4f188713ad68d4d9dbb61ad458
author Piotr Sikora <piotrsikora@google.com> 1490351854 -0700
committer Piotr Sikora <piotrsikora@google.com> 1490351854 -0700

Headers filter: added "add_trailer" directive.

Trailers added using this directive are evaluated after response body
is processed by output filters (but before it's written to the wire),
so it's possible to use variables calculated from the response body
as the trailer value.

Signed-off-by: Piotr Sikora <piotrsikora@google.com>