relnote: QUIC header streams support to receive PUSH_PROMISE. Protected by --quic_supports_push_pr…

net/quic/quic_spdy_stream.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_spdy_stream.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/quic_spdy_session.h"
 #include "net/quic/quic_utils.h"
@@ skipping 173 matching lines @@
 void QuicSpdyStream::OnInitialHeadersComplete(bool fin, size_t /*frame_len*/) {
   headers_decompressed_ = true;
   if (fin) {
     OnStreamFrame(QuicStreamFrame(id(), fin, 0, StringPiece()));
   }
   if (FinishedReadingHeaders()) {
     sequencer()->SetUnblocked();
   }
 }
 
+void QuicSpdyStream::OnPromiseHeaders(StringPiece headers_data) {
+  headers_data.AppendToString(&decompressed_headers_);
+}
+
+void QuicSpdyStream::OnPromiseHeadersComplete(
+    QuicStreamId /* promised_stream_id */,
+    size_t /* frame_len */) {
+  // To be overridden in QuicSpdyClientStream.  Not supported on
+  // server side.
+  session()->CloseConnectionWithDetails(QUIC_INVALID_HEADERS_STREAM_DATA,
+                                        "Promise headers received by server");
+  return;
+}
+
 void QuicSpdyStream::OnTrailingHeadersComplete(bool fin, size_t /*frame_len*/) {
   DCHECK(!trailers_decompressed_);
   if (fin_received()) {
     DLOG(ERROR) << "Received Trailers after FIN, on stream: " << id();
     session()->CloseConnectionWithDetails(QUIC_INVALID_HEADERS_STREAM_DATA,
                                           "Trailers after fin");
     return;
   }
   if (!fin) {
     DLOG(ERROR) << "Trailers must have FIN set, on stream: " << id();
@@ skipping 37 matching lines @@
   if (!FLAGS_quic_supports_trailers) {
     return true;
   }
   // If no further trailing headers are expected, and the decompressed trailers
   // (if any) have been consumed, then reading of trailers is finished.
   bool no_more_trailers = fin_received() || trailers_decompressed_;
   return no_more_trailers && decompressed_trailers_.empty();
 }
 
 }  // namespace net