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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 EXTENSIONS_BROWSER_EXTENSION_THROTTLE_ENTRY_INTERFACE_H_ | 5 #ifndef EXTENSIONS_BROWSER_EXTENSION_THROTTLE_ENTRY_INTERFACE_H_ |
| 6 #define EXTENSIONS_BROWSER_EXTENSION_THROTTLE_ENTRY_INTERFACE_H_ | 6 #define EXTENSIONS_BROWSER_EXTENSION_THROTTLE_ENTRY_INTERFACE_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <string> | 10 #include <string> |
| 9 | 11 |
| 10 #include "base/basictypes.h" | 12 #include "base/macros.h" |
| 11 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
| 12 #include "base/time/time.h" | 14 #include "base/time/time.h" |
| 13 #include "net/base/net_export.h" | 15 #include "net/base/net_export.h" |
| 14 | 16 |
| 15 namespace net { | 17 namespace net { |
| 16 class URLRequest; | 18 class URLRequest; |
| 17 } // namespace net | 19 } // namespace net |
| 18 | 20 |
| 19 namespace extensions { | 21 namespace extensions { |
| 20 | 22 |
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| 35 | 37 |
| 36 // Calculates a recommended sending time for the next request and reserves it. | 38 // Calculates a recommended sending time for the next request and reserves it. |
| 37 // The sending time is not earlier than the current exponential back-off | 39 // The sending time is not earlier than the current exponential back-off |
| 38 // release time or |earliest_time|. Moreover, the previous results of | 40 // release time or |earliest_time|. Moreover, the previous results of |
| 39 // the method are taken into account, in order to make sure they are spread | 41 // the method are taken into account, in order to make sure they are spread |
| 40 // properly over time. | 42 // properly over time. |
| 41 // Returns the recommended delay before sending the next request, in | 43 // Returns the recommended delay before sending the next request, in |
| 42 // milliseconds. The return value is always positive or 0. | 44 // milliseconds. The return value is always positive or 0. |
| 43 // Although it is not mandatory, respecting the value returned by this method | 45 // Although it is not mandatory, respecting the value returned by this method |
| 44 // is helpful to avoid traffic overload. | 46 // is helpful to avoid traffic overload. |
| 45 virtual int64 ReserveSendingTimeForNextRequest( | 47 virtual int64_t ReserveSendingTimeForNextRequest( |
| 46 const base::TimeTicks& earliest_time) = 0; | 48 const base::TimeTicks& earliest_time) = 0; |
| 47 | 49 |
| 48 // Returns the time after which requests are allowed. | 50 // Returns the time after which requests are allowed. |
| 49 virtual base::TimeTicks GetExponentialBackoffReleaseTime() const = 0; | 51 virtual base::TimeTicks GetExponentialBackoffReleaseTime() const = 0; |
| 50 | 52 |
| 51 // This method needs to be called each time a response is received. | 53 // This method needs to be called each time a response is received. |
| 52 virtual void UpdateWithResponse(int status_code) = 0; | 54 virtual void UpdateWithResponse(int status_code) = 0; |
| 53 | 55 |
| 54 // Lets higher-level modules, that know how to parse particular response | 56 // Lets higher-level modules, that know how to parse particular response |
| 55 // bodies, notify of receiving malformed content for the given URL. This will | 57 // bodies, notify of receiving malformed content for the given URL. This will |
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| 67 virtual ~ExtensionThrottleEntryInterface() {} | 69 virtual ~ExtensionThrottleEntryInterface() {} |
| 68 | 70 |
| 69 private: | 71 private: |
| 70 friend class base::RefCounted<ExtensionThrottleEntryInterface>; | 72 friend class base::RefCounted<ExtensionThrottleEntryInterface>; |
| 71 DISALLOW_COPY_AND_ASSIGN(ExtensionThrottleEntryInterface); | 73 DISALLOW_COPY_AND_ASSIGN(ExtensionThrottleEntryInterface); |
| 72 }; | 74 }; |
| 73 | 75 |
| 74 } // namespace extensions | 76 } // namespace extensions |
| 75 | 77 |
| 76 #endif // EXTENSIONS_BROWSER_EXTENSION_THROTTLE_ENTRY_INTERFACE_H_ | 78 #endif // EXTENSIONS_BROWSER_EXTENSION_THROTTLE_ENTRY_INTERFACE_H_ |
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