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Merge pull request #2452 from nghttp2/nghttpx-quic-read-rate

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nghttpx: Implement rate limiting for incoming QUIC traffic
This commit is contained in:
Tatsuhiro Tsujikawa
2025-06-08 12:45:58 +09:00
committed by GitHub
parent d28170aaeb 55e02bdb70
commit e004f75e77
1 changed files with 14 additions and 0 deletions
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14
src/shrpx_client_handler.cc
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@@ -325,6 +325,20 @@ int ClientHandler::read_quic(const UpstreamAddr *faddr,
const Address &local_addr, const Address &local_addr,
const ngtcp2_pkt_info &pi, const ngtcp2_pkt_info &pi,
std::span<const uint8_t> data) { std::span<const uint8_t> data) {
// Rate limiting is implemented by dropping an incoming packet.
auto &rlimit = conn_.rlimit;
if (rlimit.avail() < data.size()) {
if (LOG_ENABLED(INFO)) {
CLOG(INFO, this) << "Dropped QUIC packet of " << data.size()
<< " bytes due to rate limiting";
}
return 0;
}
rlimit.drain(data.size());
auto upstream = static_cast<Http3Upstream *>(upstream_.get()); auto upstream = static_cast<Http3Upstream *>(upstream_.get());
return upstream->on_read(faddr, remote_addr, local_addr, pi, data); return upstream->on_read(faddr, remote_addr, local_addr, pi, data);