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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_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ | 5 #ifndef EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ |
| 6 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ | 6 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ |
| 7 | 7 |
| 8 #include <stddef.h> |
| 9 #include <stdint.h> |
| 10 |
| 8 #include <map> | 11 #include <map> |
| 9 #include <queue> | 12 #include <queue> |
| 10 #include <set> | 13 #include <set> |
| 11 #include <string> | 14 #include <string> |
| 12 | 15 |
| 13 #include "base/gtest_prod_util.h" | 16 #include "base/gtest_prod_util.h" |
| 17 #include "base/macros.h" |
| 14 #include "base/memory/scoped_ptr.h" | 18 #include "base/memory/scoped_ptr.h" |
| 15 #include "base/time/time.h" | 19 #include "base/time/time.h" |
| 16 #include "url/gurl.h" | 20 #include "url/gurl.h" |
| 17 | 21 |
| 18 namespace base { | 22 namespace base { |
| 19 class Time; | 23 class Time; |
| 20 } | 24 } |
| 21 | 25 |
| 22 class ExtensionWebRequestTimeTrackerDelegate { | 26 class ExtensionWebRequestTimeTrackerDelegate { |
| 23 public: | 27 public: |
| (...skipping 17 matching lines...) Expand all Loading... |
| 41 | 45 |
| 42 // This class keeps monitors how much delay extensions add to network requests | 46 // This class keeps monitors how much delay extensions add to network requests |
| 43 // by using the webRequest API. If the delay is sufficient, we will warn the | 47 // by using the webRequest API. If the delay is sufficient, we will warn the |
| 44 // user that extensions are slowing down the browser. | 48 // user that extensions are slowing down the browser. |
| 45 class ExtensionWebRequestTimeTracker { | 49 class ExtensionWebRequestTimeTracker { |
| 46 public: | 50 public: |
| 47 ExtensionWebRequestTimeTracker(); | 51 ExtensionWebRequestTimeTracker(); |
| 48 ~ExtensionWebRequestTimeTracker(); | 52 ~ExtensionWebRequestTimeTracker(); |
| 49 | 53 |
| 50 // Records the time that a request was created. | 54 // Records the time that a request was created. |
| 51 void LogRequestStartTime(int64 request_id, const base::Time& start_time, | 55 void LogRequestStartTime(int64_t request_id, |
| 52 const GURL& url, void* profile); | 56 const base::Time& start_time, |
| 57 const GURL& url, |
| 58 void* profile); |
| 53 | 59 |
| 54 // Records the time that a request either completed or encountered an error. | 60 // Records the time that a request either completed or encountered an error. |
| 55 void LogRequestEndTime(int64 request_id, const base::Time& end_time); | 61 void LogRequestEndTime(int64_t request_id, const base::Time& end_time); |
| 56 | 62 |
| 57 // Records an additional delay for the given request caused by the given | 63 // Records an additional delay for the given request caused by the given |
| 58 // extension. | 64 // extension. |
| 59 void IncrementExtensionBlockTime( | 65 void IncrementExtensionBlockTime(const std::string& extension_id, |
| 60 const std::string& extension_id, | 66 int64_t request_id, |
| 61 int64 request_id, | 67 const base::TimeDelta& block_time); |
| 62 const base::TimeDelta& block_time); | |
| 63 | 68 |
| 64 // Records an additional delay for the given request caused by all extensions | 69 // Records an additional delay for the given request caused by all extensions |
| 65 // combined. | 70 // combined. |
| 66 void IncrementTotalBlockTime( | 71 void IncrementTotalBlockTime(int64_t request_id, |
| 67 int64 request_id, | 72 const base::TimeDelta& block_time); |
| 68 const base::TimeDelta& block_time); | |
| 69 | 73 |
| 70 // Called when an extension has canceled the given request. | 74 // Called when an extension has canceled the given request. |
| 71 void SetRequestCanceled(int64 request_id); | 75 void SetRequestCanceled(int64_t request_id); |
| 72 | 76 |
| 73 // Called when an extension has redirected the given request to another URL. | 77 // Called when an extension has redirected the given request to another URL. |
| 74 void SetRequestRedirected(int64 request_id); | 78 void SetRequestRedirected(int64_t request_id); |
| 75 | 79 |
| 76 // Takes ownership of |delegate|. | 80 // Takes ownership of |delegate|. |
| 77 void SetDelegate(ExtensionWebRequestTimeTrackerDelegate* delegate); | 81 void SetDelegate(ExtensionWebRequestTimeTrackerDelegate* delegate); |
| 78 | 82 |
| 79 private: | 83 private: |
| 80 // Timing information for a single request. | 84 // Timing information for a single request. |
| 81 struct RequestTimeLog { | 85 struct RequestTimeLog { |
| 82 GURL url; // used for debug purposes only | 86 GURL url; // used for debug purposes only |
| 83 void* profile; // profile that created the request | 87 void* profile; // profile that created the request |
| 84 bool completed; | 88 bool completed; |
| 85 base::Time request_start_time; | 89 base::Time request_start_time; |
| 86 base::TimeDelta request_duration; | 90 base::TimeDelta request_duration; |
| 87 base::TimeDelta block_duration; | 91 base::TimeDelta block_duration; |
| 88 std::map<std::string, base::TimeDelta> extension_block_durations; | 92 std::map<std::string, base::TimeDelta> extension_block_durations; |
| 89 RequestTimeLog(); | 93 RequestTimeLog(); |
| 90 ~RequestTimeLog(); | 94 ~RequestTimeLog(); |
| 91 }; | 95 }; |
| 92 | 96 |
| 93 // Called after a request finishes, to analyze the delays and warn the user | 97 // Called after a request finishes, to analyze the delays and warn the user |
| 94 // if necessary. | 98 // if necessary. |
| 95 void Analyze(int64 request_id); | 99 void Analyze(int64_t request_id); |
| 96 | 100 |
| 97 // Returns a list of all extension IDs that contributed to delay for |log|. | 101 // Returns a list of all extension IDs that contributed to delay for |log|. |
| 98 std::set<std::string> GetExtensionIds(const RequestTimeLog& log) const; | 102 std::set<std::string> GetExtensionIds(const RequestTimeLog& log) const; |
| 99 | 103 |
| 100 // A map of recent request IDs to timing info for each request. | 104 // A map of recent request IDs to timing info for each request. |
| 101 std::map<int64, RequestTimeLog> request_time_logs_; | 105 std::map<int64_t, RequestTimeLog> request_time_logs_; |
| 102 | 106 |
| 103 // A list of recent request IDs that we know about. Used to limit the size of | 107 // A list of recent request IDs that we know about. Used to limit the size of |
| 104 // the logs. | 108 // the logs. |
| 105 std::queue<int64> request_ids_; | 109 std::queue<int64_t> request_ids_; |
| 106 | 110 |
| 107 // The set of recent requests that have been delayed either a large or | 111 // The set of recent requests that have been delayed either a large or |
| 108 // moderate amount by extensions. | 112 // moderate amount by extensions. |
| 109 std::set<int64> excessive_delays_; | 113 std::set<int64_t> excessive_delays_; |
| 110 std::set<int64> moderate_delays_; | 114 std::set<int64_t> moderate_delays_; |
| 111 | 115 |
| 112 // Defaults to a delegate that sets warnings in the extension service. | 116 // Defaults to a delegate that sets warnings in the extension service. |
| 113 scoped_ptr<ExtensionWebRequestTimeTrackerDelegate> delegate_; | 117 scoped_ptr<ExtensionWebRequestTimeTrackerDelegate> delegate_; |
| 114 | 118 |
| 115 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Basic); | 119 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Basic); |
| 116 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, | 120 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, |
| 117 IgnoreFastRequests); | 121 IgnoreFastRequests); |
| 118 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, | 122 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, |
| 119 CancelOrRedirect); | 123 CancelOrRedirect); |
| 120 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Delays); | 124 FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Delays); |
| 121 | 125 |
| 122 DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestTimeTracker); | 126 DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestTimeTracker); |
| 123 }; | 127 }; |
| 124 | 128 |
| 125 #endif // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ | 129 #endif // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ |
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