Migrates QUIC sessions to a new network when old network is (about to be) disconnected.

net/quic/quic_stream_factory.h

 // 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.
 
 #ifndef NET_QUIC_QUIC_STREAM_FACTORY_H_
 #define NET_QUIC_QUIC_STREAM_FACTORY_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 11 matching lines @@
 #include "net/log/net_log.h"
 #include "net/proxy/proxy_server.h"
 #include "net/quic/network_connection.h"
 #include "net/quic/quic_chromium_client_session.h"
 #include "net/quic/quic_config.h"
 #include "net/quic/quic_crypto_stream.h"
 #include "net/quic/quic_http_stream.h"
 #include "net/quic/quic_protocol.h"
 #include "net/ssl/ssl_config_service.h"
 
+using NetworkChangeNotifier::NetworkHandle;
+
 namespace net {
 
 class CertPolicyEnforcer;
 class CertVerifier;
 class ChannelIDService;
 class ClientSocketFactory;
 class HostResolver;
 class HttpServerProperties;
 class QuicClock;
 class QuicChromiumClientSession;
@@ skipping 56 matching lines @@
   CompletionCallback callback_;
   scoped_ptr<QuicHttpStream> stream_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicStreamRequest);
 };
 
 // A factory for creating new QuicHttpStreams on top of a pool of
 // QuicChromiumClientSessions.
 class NET_EXPORT_PRIVATE QuicStreamFactory
     : public NetworkChangeNotifier::IPAddressObserver,
+      public NetworkChangeNotifier::NetworkObserver,
       public SSLConfigService::Observer,
       public CertDatabase::Observer {
  public:
   QuicStreamFactory(
       HostResolver* host_resolver,
       ClientSocketFactory* client_socket_factory,
       base::WeakPtr<HttpServerProperties> http_server_properties,
       CertVerifier* cert_verifier,
       CertPolicyEnforcer* cert_policy_enforcer,
       ChannelIDService* channel_id_service,
@@ skipping 81 matching lines @@
 
   // Delete all cached state objects in |crypto_config_|.
   void ClearCachedStatesInCryptoConfig();
 
   // NetworkChangeNotifier::IPAddressObserver methods:
 
   // Until the servers support roaming, close all connections when the local
   // IP address changes.
   void OnIPAddressChanged() override;
 
+  // NetworkChangeNotifier::NetworkObserver methods:
+  void OnNetworkConnected(NetworkHandle network) override;
+  void OnNetworkDisconnected(NetworkHandle network) override;
+  void OnNetworkSoonToDisconnect(NetworkHandle network) override;
+  void OnNetworkMadeDefault(NetworkHandle network) override;
+
   // SSLConfigService::Observer methods:
 
   // We perform the same flushing as described above when SSL settings change.
   void OnSSLConfigChanged() override;
 
   // CertDatabase::Observer methods:
 
   // We close all sessions when certificate database is changed.
   void OnCertAdded(const X509Certificate* cert) override;
   void OnCACertChanged(const X509Certificate* cert) override;
@@ skipping 249 matching lines @@
   base::TaskRunner* task_runner_;
 
   base::WeakPtrFactory<QuicStreamFactory> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicStreamFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_STREAM_FACTORY_H_