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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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_JOB_TRACKER_H_ | 5 #ifndef NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_ |
6 #define NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_ | 6 #define NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/observer_list.h" | 11 #include "base/observer_list.h" |
12 #include "net/url_request/url_request_status.h" | 12 #include "net/url_request/url_request_status.h" |
13 | 13 |
14 namespace net { | 14 namespace net { |
15 class URLRequestJob; | 15 class URLRequestJob; |
16 } // namespace net | 16 } // namespace net |
17 | 17 |
18 class GURL; | 18 class GURL; |
19 | 19 |
20 // This class maintains a list of active URLRequestJobs for debugging purposes. | 20 // This class maintains a list of active URLRequestJobs for debugging purposes. |
21 // This allows us to warn on leaked jobs and also allows an observer to track | 21 // This allows us to warn on leaked jobs and also allows an observer to track |
22 // what is happening, for example, for the network status monitor. | 22 // what is happening, for example, for the network status monitor. |
23 // | 23 // |
24 // NOTE: URLRequest is single-threaded, so this class should only be used on | 24 // NOTE: net::URLRequest is single-threaded, so this class should only be used |
25 // the same thread where all of the application's URLRequest calls are made. | 25 // onthe same thread where all of the application's net::URLRequest calls are |
| 26 // made. |
26 // | 27 // |
27 class URLRequestJobTracker { | 28 class URLRequestJobTracker { |
28 public: | 29 public: |
29 typedef std::vector<net::URLRequestJob*> JobList; | 30 typedef std::vector<net::URLRequestJob*> JobList; |
30 typedef JobList::const_iterator JobIterator; | 31 typedef JobList::const_iterator JobIterator; |
31 | 32 |
32 // The observer's methods are called on the thread that called AddObserver. | 33 // The observer's methods are called on the thread that called AddObserver. |
33 class JobObserver { | 34 class JobObserver { |
34 public: | 35 public: |
35 // Called after the given job has been added to the list | 36 // Called after the given job has been added to the list |
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55 virtual void OnBytesRead(net::URLRequestJob* job, const char* buf, | 56 virtual void OnBytesRead(net::URLRequestJob* job, const char* buf, |
56 int byte_count) = 0; | 57 int byte_count) = 0; |
57 | 58 |
58 virtual ~JobObserver() {} | 59 virtual ~JobObserver() {} |
59 }; | 60 }; |
60 | 61 |
61 URLRequestJobTracker(); | 62 URLRequestJobTracker(); |
62 ~URLRequestJobTracker(); | 63 ~URLRequestJobTracker(); |
63 | 64 |
64 // adds or removes an observer from the list. note, these methods should | 65 // adds or removes an observer from the list. note, these methods should |
65 // only be called on the same thread where URLRequest objects are used. | 66 // only be called on the same thread where net::URLRequest objects are used. |
66 void AddObserver(JobObserver* observer) { | 67 void AddObserver(JobObserver* observer) { |
67 observers_.AddObserver(observer); | 68 observers_.AddObserver(observer); |
68 } | 69 } |
69 void RemoveObserver(JobObserver* observer) { | 70 void RemoveObserver(JobObserver* observer) { |
70 observers_.RemoveObserver(observer); | 71 observers_.RemoveObserver(observer); |
71 } | 72 } |
72 | 73 |
73 // adds or removes the job from the active list, should be called by the | 74 // adds or removes the job from the active list, should be called by the |
74 // job constructor and destructor. Note: don't use "AddJob" since that | 75 // job constructor and destructor. Note: don't use "AddJob" since that |
75 // is #defined by windows.h :( | 76 // is #defined by windows.h :( |
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93 } | 94 } |
94 | 95 |
95 private: | 96 private: |
96 ObserverList<JobObserver> observers_; | 97 ObserverList<JobObserver> observers_; |
97 JobList active_jobs_; | 98 JobList active_jobs_; |
98 }; | 99 }; |
99 | 100 |
100 extern URLRequestJobTracker g_url_request_job_tracker; | 101 extern URLRequestJobTracker g_url_request_job_tracker; |
101 | 102 |
102 #endif // NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_ | 103 #endif // NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_ |
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