Log GOAWAY frame debug data.

net/spdy/buffered_spdy_framer.cc

 // Copyright (c) 2012 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/spdy/buffered_spdy_framer.h"
 
 #include "base/logging.h"
 
 namespace net {
 
@@ skipping 208 matching lines @@
 void BufferedSpdyFramer::OnPing(SpdyPingId unique_id, bool is_ack) {
   visitor_->OnPing(unique_id, is_ack);
 }
 
 void BufferedSpdyFramer::OnRstStream(SpdyStreamId stream_id,
                                      SpdyRstStreamStatus status) {
   visitor_->OnRstStream(stream_id, status);
 }
 void BufferedSpdyFramer::OnGoAway(SpdyStreamId last_accepted_stream_id,
                                   SpdyGoAwayStatus status) {
-  visitor_->OnGoAway(last_accepted_stream_id, status);
+  DCHECK(!go_away_fields_.get());
+  go_away_fields_.reset(new GoAwayFields());
+  go_away_fields_->last_accepted_stream_id = last_accepted_stream_id;
+  go_away_fields_->status = status;
+}
+
+bool BufferedSpdyFramer::OnGoAwayFrameData(const char* goaway_data,
+                                           size_t len) {
+  if (len > 0) {
+    go_away_fields_->debug_data.append(goaway_data, len);
+    return true;
+  }
+  visitor_->OnGoAway(go_away_fields_->last_accepted_stream_id,
+                     go_away_fields_->status, go_away_fields_->debug_data);
+  go_away_fields_.reset(nullptr);
+  return true;
 }

[Ryan Hamilton, 2015/10/05 21:17:55]

This method wasn't overridden previously, right? What does the default
implementation do? I'm guessing it just returned true...

[Bence, 2015/10/06 15:18:57]

Exactly: it returns true.
https://code.google.com/p/chromium/codesearch#chromium/src/net/spdy/spdy_fram...

 
 void BufferedSpdyFramer::OnWindowUpdate(SpdyStreamId stream_id,
                                         int delta_window_size) {
   visitor_->OnWindowUpdate(stream_id, delta_window_size);
 }
 
 void BufferedSpdyFramer::OnPushPromise(SpdyStreamId stream_id,
                                        SpdyStreamId promised_stream_id,
                                        bool end) {
   DCHECK_LT(SPDY3, protocol_version());
@@ skipping 170 matching lines @@
 
 void BufferedSpdyFramer::InitHeaderStreaming(SpdyStreamId stream_id) {
   memset(header_buffer_, 0, kHeaderBufferSize);
   header_buffer_used_ = 0;
   header_buffer_valid_ = true;
   header_stream_id_ = stream_id;
   DCHECK_NE(header_stream_id_, SpdyFramer::kInvalidStream);
 }
 
 }  // namespace net