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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 CHROME_BROWSER_NET_CHROME_NET_LOG_H_ | 5 #ifndef CHROME_BROWSER_NET_CHROME_NET_LOG_H_ |
6 #define CHROME_BROWSER_NET_CHROME_NET_LOG_H_ | 6 #define CHROME_BROWSER_NET_CHROME_NET_LOG_H_ |
7 | 7 |
8 #include "base/atomicops.h" | 8 #include "base/atomicops.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/observer_list.h" | 10 #include "base/observer_list.h" |
11 #include "base/synchronization/lock.h" | 11 #include "base/synchronization/lock.h" |
12 #include "net/base/net_log.h" | 12 #include "net/base/net_log.h" |
13 | 13 |
14 class LoadTimingObserver; | |
15 class NetLogLogger; | 14 class NetLogLogger; |
16 class NetLogTempFile; | 15 class NetLogTempFile; |
17 | 16 |
18 // ChromeNetLog is an implementation of NetLog that dispatches network log | 17 // ChromeNetLog is an implementation of NetLog that dispatches network log |
19 // messages to a list of observers. | 18 // messages to a list of observers. |
20 // | 19 // |
21 // All methods are thread safe, with the exception that no NetLog or | 20 // All methods are thread safe, with the exception that no NetLog or |
22 // NetLog::ThreadSafeObserver functions may be called by an observer's | 21 // NetLog::ThreadSafeObserver functions may be called by an observer's |
23 // OnAddEntry() method. Doing so will result in a deadlock. | 22 // OnAddEntry() method. Doing so will result in a deadlock. |
24 class ChromeNetLog : public net::NetLog { | 23 class ChromeNetLog : public net::NetLog { |
25 public: | 24 public: |
26 ChromeNetLog(); | 25 ChromeNetLog(); |
27 virtual ~ChromeNetLog(); | 26 virtual ~ChromeNetLog(); |
28 | 27 |
29 // NetLog implementation: | 28 // NetLog implementation: |
30 virtual uint32 NextID() OVERRIDE; | 29 virtual uint32 NextID() OVERRIDE; |
31 virtual LogLevel GetLogLevel() const OVERRIDE; | 30 virtual LogLevel GetLogLevel() const OVERRIDE; |
32 virtual void AddThreadSafeObserver(ThreadSafeObserver* observer, | 31 virtual void AddThreadSafeObserver(ThreadSafeObserver* observer, |
33 LogLevel log_level) OVERRIDE; | 32 LogLevel log_level) OVERRIDE; |
34 virtual void SetObserverLogLevel(ThreadSafeObserver* observer, | 33 virtual void SetObserverLogLevel(ThreadSafeObserver* observer, |
35 LogLevel log_level) OVERRIDE; | 34 LogLevel log_level) OVERRIDE; |
36 virtual void RemoveThreadSafeObserver(ThreadSafeObserver* observer) OVERRIDE; | 35 virtual void RemoveThreadSafeObserver(ThreadSafeObserver* observer) OVERRIDE; |
37 | 36 |
38 LoadTimingObserver* load_timing_observer() { | |
39 return load_timing_observer_.get(); | |
40 } | |
41 | |
42 NetLogTempFile* net_log_temp_file() { | 37 NetLogTempFile* net_log_temp_file() { |
43 return net_log_temp_file_.get(); | 38 return net_log_temp_file_.get(); |
44 } | 39 } |
45 | 40 |
46 private: | 41 private: |
47 // NetLog implementation: | 42 // NetLog implementation: |
48 virtual void OnAddEntry(const net::NetLog::Entry& entry) OVERRIDE; | 43 virtual void OnAddEntry(const net::NetLog::Entry& entry) OVERRIDE; |
49 | 44 |
50 // Called whenever an observer is added or removed, or has its log level | 45 // Called whenever an observer is added or removed, or has its log level |
51 // changed. Must have acquired |lock_| prior to calling. | 46 // changed. Must have acquired |lock_| prior to calling. |
52 void UpdateLogLevel(); | 47 void UpdateLogLevel(); |
53 | 48 |
54 // |lock_| protects access to |observers_|. | 49 // |lock_| protects access to |observers_|. |
55 base::Lock lock_; | 50 base::Lock lock_; |
56 | 51 |
57 // Last assigned source ID. Incremented to get the next one. | 52 // Last assigned source ID. Incremented to get the next one. |
58 base::subtle::Atomic32 last_id_; | 53 base::subtle::Atomic32 last_id_; |
59 | 54 |
60 // The lowest allowed log level, regardless of any ChromeNetLogObservers. | 55 // The lowest allowed log level, regardless of any ChromeNetLogObservers. |
61 // Normally defaults to LOG_BASIC, but can be changed with command line flags. | 56 // Normally defaults to LOG_BASIC, but can be changed with command line flags. |
62 LogLevel base_log_level_; | 57 LogLevel base_log_level_; |
63 | 58 |
64 // The current log level. | 59 // The current log level. |
65 base::subtle::Atomic32 effective_log_level_; | 60 base::subtle::Atomic32 effective_log_level_; |
66 | 61 |
67 scoped_ptr<LoadTimingObserver> load_timing_observer_; | |
68 scoped_ptr<NetLogLogger> net_log_logger_; | 62 scoped_ptr<NetLogLogger> net_log_logger_; |
69 scoped_ptr<NetLogTempFile> net_log_temp_file_; | 63 scoped_ptr<NetLogTempFile> net_log_temp_file_; |
70 | 64 |
71 // |lock_| must be acquired whenever reading or writing to this. | 65 // |lock_| must be acquired whenever reading or writing to this. |
72 ObserverList<ThreadSafeObserver, true> observers_; | 66 ObserverList<ThreadSafeObserver, true> observers_; |
73 | 67 |
74 DISALLOW_COPY_AND_ASSIGN(ChromeNetLog); | 68 DISALLOW_COPY_AND_ASSIGN(ChromeNetLog); |
75 }; | 69 }; |
76 | 70 |
77 #endif // CHROME_BROWSER_NET_CHROME_NET_LOG_H_ | 71 #endif // CHROME_BROWSER_NET_CHROME_NET_LOG_H_ |
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