Sent QUIC "PING" frames when a stream is open and the connection

net/quic/quic_session.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/quic/quic_session.h"
 
 #include "base/stl_util.h"
 #include "net/quic/crypto/proof_verifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_headers_stream.h"
@@ skipping 68 matching lines @@
   }
 
   virtual bool HasPendingWrites() const OVERRIDE {
     return session_->HasPendingWrites();
   }
 
   virtual bool HasPendingHandshake() const OVERRIDE {
     return session_->HasPendingHandshake();
   }
 
+  virtual bool HasOpenDataStreams() const OVERRIDE {
+    return session_->HasOpenDataStreams();
+  }
+
  private:
   QuicSession* session_;
 };
 
 QuicSession::QuicSession(QuicConnection* connection,
                          const QuicConfig& config)
     : connection_(connection),
       visitor_shim_(new VisitorShim(this)),
       config_(config),
       max_open_streams_(config_.max_streams_per_connection()),
@@ skipping 195 matching lines @@
 }
 
 bool QuicSession::HasPendingWrites() const {
   return write_blocked_streams_.HasWriteBlockedStreams();
 }
 
 bool QuicSession::HasPendingHandshake() const {
   return has_pending_handshake_;
 }
 
+bool QuicSession::HasOpenDataStreams() const {
+  return GetNumOpenStreams() > 0;
+}
+
 QuicConsumedData QuicSession::WritevData(
     QuicStreamId id,
     const IOVector& data,
     QuicStreamOffset offset,
     bool fin,
     QuicAckNotifier::DelegateInterface* ack_notifier_delegate) {
   return connection_->SendStreamData(id, data, offset, fin,
                                      ack_notifier_delegate);
 }
 
@@ skipping 277 matching lines @@
   NOTIMPLEMENTED();
   return false;
 }
 
 void QuicSession::PostProcessAfterData() {
   STLDeleteElements(&closed_streams_);
   closed_streams_.clear();
 }
 
 }  // namespace net