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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_ | 5 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_ |
6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_ | 6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_ |
7 | 7 |
8 #include <queue> | 8 #include <queue> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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61 // infinite. | 61 // infinite. |
62 // It is only used by unit tests. | 62 // It is only used by unit tests. |
63 URLRequestThrottlerEntry(int sliding_window_period_ms, | 63 URLRequestThrottlerEntry(int sliding_window_period_ms, |
64 int max_send_threshold, | 64 int max_send_threshold, |
65 int initial_backoff_ms, | 65 int initial_backoff_ms, |
66 int additional_constant_ms, | 66 int additional_constant_ms, |
67 double multiply_factor, | 67 double multiply_factor, |
68 double jitter_factor, | 68 double jitter_factor, |
69 int maximum_backoff_ms); | 69 int maximum_backoff_ms); |
70 | 70 |
| 71 // Used by the manager, returns true if the entry needs to be garbage |
| 72 // collected. |
| 73 bool IsEntryOutdated() const; |
| 74 |
71 // Implementation of URLRequestThrottlerEntryInterface. | 75 // Implementation of URLRequestThrottlerEntryInterface. |
72 virtual bool IsDuringExponentialBackoff() const; | 76 virtual bool IsDuringExponentialBackoff() const; |
73 virtual int64 ReserveSendingTimeForNextRequest( | 77 virtual int64 ReserveSendingTimeForNextRequest( |
74 const base::TimeTicks& earliest_time); | 78 const base::TimeTicks& earliest_time); |
75 virtual base::TimeTicks GetExponentialBackoffReleaseTime() const; | 79 virtual base::TimeTicks GetExponentialBackoffReleaseTime() const; |
76 virtual void UpdateWithResponse( | 80 virtual void UpdateWithResponse( |
77 const URLRequestThrottlerHeaderInterface* response); | 81 const URLRequestThrottlerHeaderInterface* response); |
78 virtual void ReceivedContentWasMalformed(); | 82 virtual void ReceivedContentWasMalformed(); |
79 | 83 |
80 // Used by the manager, returns true if the entry needs to be garbage | |
81 // collected. | |
82 bool IsEntryOutdated() const; | |
83 | |
84 protected: | 84 protected: |
85 virtual ~URLRequestThrottlerEntry(); | 85 virtual ~URLRequestThrottlerEntry(); |
86 | 86 |
87 void Initialize(); | 87 void Initialize(); |
88 | 88 |
89 // Calculates the release time for exponential back-off. | 89 // Calculates the release time for exponential back-off. |
90 base::TimeTicks CalculateExponentialBackoffReleaseTime(); | 90 base::TimeTicks CalculateExponentialBackoffReleaseTime(); |
91 | 91 |
92 // Equivalent to TimeTicks::Now(), virtual to be mockable for testing purpose. | 92 // Equivalent to TimeTicks::Now(), virtual to be mockable for testing purpose. |
93 virtual base::TimeTicks GetTimeNow() const; | 93 virtual base::TimeTicks GetTimeNow() const; |
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148 const int maximum_backoff_ms_; | 148 const int maximum_backoff_ms_; |
149 // Set to -1 if the entry never expires. | 149 // Set to -1 if the entry never expires. |
150 const int entry_lifetime_ms_; | 150 const int entry_lifetime_ms_; |
151 | 151 |
152 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerEntry); | 152 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerEntry); |
153 }; | 153 }; |
154 | 154 |
155 } // namespace net | 155 } // namespace net |
156 | 156 |
157 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_ | 157 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_H_ |
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