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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 CHROME_BROWSER_POLICY_CLOUD_EXTERNAL_POLICY_DATA_UPDATER_H_ | 5 #ifndef COMPONENTS_POLICY_CORE_COMMON_CLOUD_EXTERNAL_POLICY_DATA_UPDATER_H_ |
6 #define CHROME_BROWSER_POLICY_CLOUD_EXTERNAL_POLICY_DATA_UPDATER_H_ | 6 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_EXTERNAL_POLICY_DATA_UPDATER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <queue> | 9 #include <queue> |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/callback_forward.h" | 13 #include "base/callback_forward.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
15 #include "base/memory/scoped_ptr.h" | 15 #include "base/memory/scoped_ptr.h" |
16 #include "base/memory/weak_ptr.h" | 16 #include "base/memory/weak_ptr.h" |
| 17 #include "components/policy/policy_export.h" |
17 | 18 |
18 namespace base { | 19 namespace base { |
19 class SequencedTaskRunner; | 20 class SequencedTaskRunner; |
20 } | 21 } |
21 | 22 |
22 namespace policy { | 23 namespace policy { |
23 | 24 |
24 class ExternalPolicyDataFetcher; | 25 class ExternalPolicyDataFetcher; |
25 | 26 |
26 // This class downloads external policy data. Given a |Request|, data is fetched | 27 // This class downloads external policy data. Given a |Request|, data is fetched |
27 // from the |url|, verified to not exceed |max_size| and to match the expected | 28 // from the |url|, verified to not exceed |max_size| and to match the expected |
28 // |hash| and then handed to a callback that can do further verification before | 29 // |hash| and then handed to a callback that can do further verification before |
29 // finally deciding whether the fetched data is valid. | 30 // finally deciding whether the fetched data is valid. |
30 // If a fetch is not successful or retrieves invalid data, retries are scheduled | 31 // If a fetch is not successful or retrieves invalid data, retries are scheduled |
31 // with exponential backoff. | 32 // with exponential backoff. |
32 // The actual fetching is handled by an ExternalPolicyDataFetcher, allowing this | 33 // The actual fetching is handled by an ExternalPolicyDataFetcher, allowing this |
33 // class to run on a background thread where network I/O is not possible. | 34 // class to run on a background thread where network I/O is not possible. |
34 class ExternalPolicyDataUpdater { | 35 class POLICY_EXPORT ExternalPolicyDataUpdater { |
35 public: | 36 public: |
36 struct Request { | 37 struct POLICY_EXPORT Request { |
37 public: | 38 public: |
38 Request(); | 39 Request(); |
39 Request(const std::string& url, const std::string& hash, int64 max_size); | 40 Request(const std::string& url, const std::string& hash, int64 max_size); |
40 | 41 |
41 bool operator==(const Request& other) const; | 42 bool operator==(const Request& other) const; |
42 | 43 |
43 std::string url; | 44 std::string url; |
44 std::string hash; | 45 std::string hash; |
45 int64 max_size; | 46 int64 max_size; |
46 }; | 47 }; |
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116 | 117 |
117 // |True| once the destructor starts. Prevents jobs from being started during | 118 // |True| once the destructor starts. Prevents jobs from being started during |
118 // shutdown. | 119 // shutdown. |
119 bool shutting_down_; | 120 bool shutting_down_; |
120 | 121 |
121 DISALLOW_COPY_AND_ASSIGN(ExternalPolicyDataUpdater); | 122 DISALLOW_COPY_AND_ASSIGN(ExternalPolicyDataUpdater); |
122 }; | 123 }; |
123 | 124 |
124 } // namespace policy | 125 } // namespace policy |
125 | 126 |
126 #endif // CHROME_BROWSER_POLICY_CLOUD_EXTERNAL_POLICY_DATA_UPDATER_H_ | 127 #endif // COMPONENTS_POLICY_CORE_COMMON_CLOUD_EXTERNAL_POLICY_DATA_UPDATER_H_ |
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