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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "base/time.h" | 13 #include "base/time.h" |
14 #include "net/base/net_export.h" | 14 #include "net/base/net_export.h" |
15 | 15 |
16 namespace net { | 16 namespace net { |
17 | 17 |
18 class URLRequest; | |
18 class URLRequestThrottlerHeaderInterface; | 19 class URLRequestThrottlerHeaderInterface; |
19 | 20 |
20 // Interface provided on entries of the URL request throttler manager. | 21 // Interface provided on entries of the URL request throttler manager. |
21 class NET_EXPORT URLRequestThrottlerEntryInterface | 22 class NET_EXPORT URLRequestThrottlerEntryInterface |
22 : public base::RefCountedThreadSafe<URLRequestThrottlerEntryInterface> { | 23 : public base::RefCountedThreadSafe<URLRequestThrottlerEntryInterface> { |
23 public: | 24 public: |
24 URLRequestThrottlerEntryInterface() {} | 25 URLRequestThrottlerEntryInterface() {} |
25 | 26 |
26 // Returns true when we have encountered server errors and are doing | 27 // Returns true when we have encountered server errors and are doing |
27 // exponential back-off, unless the request has |load_flags| (from | 28 // exponential back-off, unless the request has |load_flags| (from |
28 // net/base/load_flags.h) that mean it is likely to be | 29 // net/base/load_flags.h) that mean it is likely to be |
29 // user-initiated. | 30 // user-initiated, or the NetworkDelegate returns false for |
31 // |CanRejectRequest(request)|. | |
32 // | |
33 // |request| may be NULL, in which the assumption is that the | |
34 // request may be rejected. | |
30 // | 35 // |
31 // URLRequestHttpJob checks this method prior to every request; it | 36 // URLRequestHttpJob checks this method prior to every request; it |
32 // cancels requests if this method returns true. | 37 // cancels requests if this method returns true. |
33 virtual bool ShouldRejectRequest(int load_flags) const = 0; | 38 virtual bool ShouldRejectRequest(const URLRequest* request, |
39 int load_flags) const = 0; | |
eroman
2012/06/06 04:52:11
is the load_flags parameter needed?
Jói
2012/06/06 13:38:55
Done.
| |
34 | 40 |
35 // Calculates a recommended sending time for the next request and reserves it. | 41 // 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 | 42 // The sending time is not earlier than the current exponential back-off |
37 // release time or |earliest_time|. Moreover, the previous results of | 43 // 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 | 44 // the method are taken into account, in order to make sure they are spread |
39 // properly over time. | 45 // properly over time. |
40 // Returns the recommended delay before sending the next request, in | 46 // Returns the recommended delay before sending the next request, in |
41 // milliseconds. The return value is always positive or 0. | 47 // milliseconds. The return value is always positive or 0. |
42 // Although it is not mandatory, respecting the value returned by this method | 48 // Although it is not mandatory, respecting the value returned by this method |
43 // is helpful to avoid traffic overload. | 49 // is helpful to avoid traffic overload. |
(...skipping 20 matching lines...) Expand all Loading... | |
64 virtual ~URLRequestThrottlerEntryInterface() {} | 70 virtual ~URLRequestThrottlerEntryInterface() {} |
65 | 71 |
66 private: | 72 private: |
67 friend class base::RefCounted<URLRequestThrottlerEntryInterface>; | 73 friend class base::RefCounted<URLRequestThrottlerEntryInterface>; |
68 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerEntryInterface); | 74 DISALLOW_COPY_AND_ASSIGN(URLRequestThrottlerEntryInterface); |
69 }; | 75 }; |
70 | 76 |
71 } // namespace net | 77 } // namespace net |
72 | 78 |
73 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_ | 79 #endif // NET_URL_REQUEST_URL_REQUEST_THROTTLER_ENTRY_INTERFACE_H_ |
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