Implement a dummy host to do capturing and analysis only.

remoting/test/counter_stubs.h

+// Copyright 2016 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.
+

[joedow, 2016/05/04 16:40:44]

Please add macro guard.

[Hzj_jie, 2016/05/04 19:18:04]

Done.

+#include <memory>
+#include <ostream>
+
+#include "remoting/protocol/audio_stub.h"
+#include "remoting/protocol/client_stub.h"
+#include "remoting/protocol/fake_connection_to_client.h"
+#include "remoting/protocol/host_stub.h"
+#include "remoting/protocol/video_stub.h"
+
+namespace remoting {
+namespace test {
+
+class CounterStubs {

[joedow, 2016/05/04 16:40:44]

Can you make this name more descriptive?  It seems specific to a host so maybe
HostStatisticsCounter?  HostConnectionStats?

[Hzj_jie, 2016/05/04 19:18:04]

Done.

+ public:
+  CounterStubs(protocol::FakeConnectionToClient* connection = nullptr);

[joedow, 2016/05/04 16:40:44]

single param c'tors should be defined as 'explicit'

[Hzj_jie, 2016/05/04 19:18:04]

Done.

+  virtual ~CounterStubs();

[joedow, 2016/05/04 16:40:44]

newline between c'tor/d'tor and getter methods

[Hzj_jie, 2016/05/04 19:18:04]

Done.

+  protocol::ClientStub& client_stub();
+  protocol::HostStub& host_stub();
+  protocol::AudioStub& audio_stub();
+  protocol::VideoStub& video_stub();
+  friend std::ostream& operator<<(std::ostream& os, const CounterStubs& stubs);
+
+ private:
+  class CounterClientStub;
+  class CounterHostStub;
+  class CounterAudioStub;
+  class CounterVideoStub;

[joedow, 2016/05/04 16:40:44]

newline between class forward decls and members.

[Hzj_jie, 2016/05/04 19:18:04]

Done.

+  std::unique_ptr<CounterClientStub> client_stub_;
+  std::unique_ptr<CounterHostStub> host_stub_;
+  std::unique_ptr<CounterAudioStub> audio_stub_;
+  std::unique_ptr<CounterVideoStub> video_stub_;

[joedow, 2016/05/04 16:40:45]

DISALLOW_COPY_AND_ASSIGN(...)?

[Hzj_jie, 2016/05/04 19:18:04]

Done.

+};
+
+}  // namespace test
+}  // namespace remoting