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Side by Side Diff: remoting/test/connection_time_observer.h

Issue 1238343002: Added ConnectionTimeObserver to calculate the times to authenticate and connect. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Removed timer from observer, used print friendly string in TestChromotingClient, and made modificat… Created 5 years, 4 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef REMOTING_TEST_CONNECTION_TIME_OBSERVER_H_
6 #define REMOTING_TEST_CONNECTION_TIME_OBSERVER_H_
7
8 #include <map>
9
10 #include "remoting/test/remote_connection_observer.h"
11
12 namespace base {
13 class TimeDelta;
14 class Timer;
15 }
16
17 namespace remoting {
18 namespace test {
19
20 // Observes and saves the times when a chromoting client changes its state. It
21 // allows for tests to access latency times between the different states the
22 // client transitioned through.
23 class ConnectionTimeObserver
24 : public RemoteConnectionObserver {
25 public:
26 ConnectionTimeObserver();
27 ~ConnectionTimeObserver() override;
28
29 // RemoteConnectionObserver interface.
30 void ConnectionStateChanged(protocol::ConnectionToHost::State state,
31 protocol::ErrorCode error_code) override;
32 void ConnectionReady(bool ready) override;
33
34 // Used to properly set the time of the INITIALIZING state of the chromoting
35 // connection.
36 // Note: Initialize() should be called right before a chromoting client starts
37 // a connection to accurately measure the time between INITIALIZING and
38 // CONNECTING states.
39 void Initialize();
40
41 // Prints out connection performance stats to STDOUT.
42 void DisplayConnectionStats() const;
43
44 // Returns the time delta in milliseconds between |start_state| and
45 // |end_state| stored in |transition_times_map_|.
46 base::TimeDelta GetStateTransitionTime(
47 protocol::ConnectionToHost::State start_state,
48 protocol::ConnectionToHost::State end_state) const;
49
50 // Used to set fake state transition times for ConnectionTimeObserver tests.
51 void SetTransitionTimesMapForTest(
52 const std::map<protocol::ConnectionToHost::State, base::TimeTicks>& map);
53
54 private:
55 // Saves the current connection state of client to host.
56 protocol::ConnectionToHost::State current_connection_state_ =
57 protocol::ConnectionToHost::State::INITIALIZING;
58
59 // The TimeTicks to get to a state from the previous state.
60 std::map<protocol::ConnectionToHost::State, base::TimeTicks>
61 transition_times_map_;
62
63 DISALLOW_COPY_AND_ASSIGN(ConnectionTimeObserver);
64 };
65
66 } // namespace test
67 } // namespace remoting
68
69 #endif // REMOTING_TEST_CONNECTION_TIME_OBSERVER_H_
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