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nghttpx: Add x-http2-push header field for pushed resource 

Fixes GH-352
This commit is contained in:
Tatsuhiro Tsujikawa 2015-09-14 00:27:53 +09:00
parent 1148584526
commit d22573086f
1 changed files with 9 additions and 2 deletions
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11
src/shrpx_http2_upstream.cc
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@ -1321,8 +1321,9 @@ int Http2Upstream::on_downstream_header_complete(Downstream *downstream) {
size_t nheader = downstream->get_response_headers().size();
auto nva = std::vector<nghttp2_nv>();
// 3 means :status and possible server and via header field.
nva.reserve(nheader + 3 + get_config()->add_response_headers.size());
// 4 means :status and possible server, via and x-http2-push header
// field.
nva.reserve(nheader + 4 + get_config()->add_response_headers.size());
std::string via_value;
auto response_status = util::utos(downstream->get_response_http_status());
nva.push_back(http2::make_nv_ls(":status", response_status));
@ -1376,6 +1377,12 @@ int Http2Upstream::on_downstream_header_complete(Downstream *downstream) {
nva.push_back(http2::make_nv(p.first, p.second));
}
if (downstream->get_stream_id() % 2 == 0) {
// This header field is basically for human on client side to
// figure out that the resource is pushed.
nva.push_back(http2::make_nv_ll("x-http2-push", "1"));
}
if (LOG_ENABLED(INFO)) {
log_response_headers(downstream, nva);
}