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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 NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_ | 5 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_ |
| 6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_ | 6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_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 | 18 |
| 17 class NetworkDelegate; | 19 class NetworkDelegate; |
| 18 class URLRequest; | 20 class URLRequest; |
| 19 class URLRequestThrottlerHeaderInterface; | 21 class URLRequestThrottlerHeaderInterface; |
| 20 | 22 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 34 | 36 |
| 35 // Calculates a recommended sending time for the next request and reserves it. | 37 // Calculates a recommended sending time for the next request and reserves it. |
| 36 // The sending time is not earlier than the current exponential back-off | 38 // The sending time is not earlier than the current exponential back-off |
| 37 // release time or |earliest_time|. Moreover, the previous results of | 39 // release time or |earliest_time|. Moreover, the previous results of |
| 38 // the method are taken into account, in order to make sure they are spread | 40 // the method are taken into account, in order to make sure they are spread |
| 39 // properly over time. | 41 // properly over time. |
| 40 // Returns the recommended delay before sending the next request, in | 42 // Returns the recommended delay before sending the next request, in |
| 41 // milliseconds. The return value is always positive or 0. | 43 // milliseconds. The return value is always positive or 0. |
| 42 // Although it is not mandatory, respecting the value returned by this method | 44 // Although it is not mandatory, respecting the value returned by this method |
| 43 // is helpful to avoid traffic overload. | 45 // is helpful to avoid traffic overload. |
| 44 virtual int64 ReserveSendingTimeForNextRequest( | 46 virtual int64_t ReserveSendingTimeForNextRequest( |
| 45 const base::TimeTicks& earliest_time) = 0; | 47 const base::TimeTicks& earliest_time) = 0; |
| 46 | 48 |
| 47 // Returns the time after which requests are allowed. | 49 // Returns the time after which requests are allowed. |
| 48 virtual base::TimeTicks GetExponentialBackoffReleaseTime() const = 0; | 50 virtual base::TimeTicks GetExponentialBackoffReleaseTime() const = 0; |
| 49 | 51 |
| 50 // This method needs to be called each time a response is received. | 52 // This method needs to be called each time a response is received. |
| 51 virtual void UpdateWithResponse(int status_code) = 0; | 53 virtual void UpdateWithResponse(int status_code) = 0; |
| 52 | 54 |
| 53 // Lets higher-level modules, that know how to parse particular response | 55 // Lets higher-level modules, that know how to parse particular response |
| 54 // bodies, notify of receiving malformed content for the given URL. This will | 56 // bodies, notify of receiving malformed content for the given URL. This will |
| 55 // be handled by the throttler as if an HTTP 503 response had been received to | 57 // be handled by the throttler as if an HTTP 503 response had been received to |
| 56 // the request, i.e. it will count as a failure, unless the HTTP response code | 58 // the request, i.e. it will count as a failure, unless the HTTP response code |
| 57 // indicated is already one of those that will be counted as an error. | 59 // indicated is already one of those that will be counted as an error. |
| 58 virtual void ReceivedContentWasMalformed(int response_code) = 0; | 60 virtual void ReceivedContentWasMalformed(int response_code) = 0; |
| 59 | 61 |
| 60 protected: | 62 protected: |
| 61 friend class base::RefCountedThreadSafe<URLRequestThrottlerEntryInterface>; | 63 friend class base::RefCountedThreadSafe<URLRequestThrottlerEntryInterface>; |
| 62 virtual ~URLRequestThrottlerEntryInterface() {} | 64 virtual ~URLRequestThrottlerEntryInterface() {} |
| 63 | 65 |
| 64 private: | 66 private: |
| 65 friend class base::RefCounted<URLRequestThrottlerEntryInterface>; | 67 friend class base::RefCounted<URLRequestThrottlerEntryInterface>; |
| 66 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerEntryInterface); | 68 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerEntryInterface); |
| 67 }; | 69 }; |
| 68 | 70 |
| 69 } // namespace net | 71 } // namespace net |
| 70 | 72 |
| 71 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_ | 73 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_ |
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