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nghttpx: Don't push if http2 proxy is used

This commit is contained in:
Tatsuhiro Tsujikawa 2015-02-08 16:04:36 +09:00
parent 8b4291edcb
commit af960f1982
1 changed files with 17 additions and 1 deletions
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18
src/shrpx_http2_upstream.cc
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@ -1320,8 +1320,24 @@ int Http2Upstream::on_downstream_header_complete(Downstream *downstream) {
return -1;
}
// We need some conditions that must be fulfilled to initiate server
// push.
//
// * Server push is disabled for http2 proxy, since incoming headers
// are mixed origins. We don't know how to reliably determine the
// authority yet.
//
// * If downstream is http/2, it is likely that PUSH_PROMISE is
// coming from there, so we don't initiate PUSH_RPOMISE here.
//
// * We need 200 response code for associated resource. This is too
// restrictive, we will review this later.
//
// * We requires GET or POST for associated resource. Probably we
// don't want to push for HEAD request. Not sure other methods
// are also eligible for push.
if (get_config()->downstream_proto == PROTO_HTTP &&
(downstream->get_stream_id() % 2) &&
!get_config()->http2_proxy && (downstream->get_stream_id() % 2) &&
downstream->get_response_header(http2::HD_LINK) &&
downstream->get_response_http_status() == 200 &&
(downstream->get_request_method() == "GET" ||