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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 IPC_IPC_LOGGING_H_ | 5 #ifndef IPC_IPC_LOGGING_H_ |
6 #define IPC_IPC_LOGGING_H_ | 6 #define IPC_IPC_LOGGING_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "ipc/ipc_message.h" // For IPC_MESSAGE_LOG_ENABLED. | 9 #include "ipc/ipc_message.h" // For IPC_MESSAGE_LOG_ENABLED. |
10 | 10 |
11 #ifdef IPC_MESSAGE_LOG_ENABLED | 11 #ifdef IPC_MESSAGE_LOG_ENABLED |
12 | 12 |
13 #include <vector> | 13 #include <vector> |
14 | 14 |
| 15 #include "base/hash_tables.h" |
15 #include "base/message_loop.h" | 16 #include "base/message_loop.h" |
16 #include "base/scoped_ptr.h" | 17 #include "base/scoped_ptr.h" |
17 #include "base/singleton.h" | 18 #include "base/singleton.h" |
18 | 19 |
| 20 // Logging function. |name| is a string in ASCII and |params| is a string in |
| 21 // UTF-8. |
| 22 typedef void (*LogFunction)(std::string* name, |
| 23 const IPC::Message* msg, |
| 24 std::string* params); |
| 25 |
| 26 typedef base::hash_map<uint32, LogFunction > LogFunctionMap; |
| 27 |
19 namespace IPC { | 28 namespace IPC { |
20 | 29 |
21 class Message; | 30 class Message; |
22 | 31 |
23 // One instance per process. Needs to be created on the main thread (the UI | 32 // One instance per process. Needs to be created on the main thread (the UI |
24 // thread in the browser) but OnPreDispatchMessage/OnPostDispatchMessage | 33 // thread in the browser) but OnPreDispatchMessage/OnPostDispatchMessage |
25 // can be called on other threads. | 34 // can be called on other threads. |
26 class Logging { | 35 class Logging { |
27 public: | 36 public: |
28 // Implemented by consumers of log messages. | 37 // Implemented by consumers of log messages. |
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64 // sandbox can add them to to the policy. If true, gets the name of the | 73 // sandbox can add them to to the policy. If true, gets the name of the |
65 // enabled event, if false, gets the name of the disabled event. | 74 // enabled event, if false, gets the name of the disabled event. |
66 static std::wstring GetEventName(bool enabled); | 75 static std::wstring GetEventName(bool enabled); |
67 | 76 |
68 // Like the *MsgLog functions declared for each message class, except this | 77 // Like the *MsgLog functions declared for each message class, except this |
69 // calls the correct one based on the message type automatically. Defined in | 78 // calls the correct one based on the message type automatically. Defined in |
70 // ipc_logging.cc. | 79 // ipc_logging.cc. |
71 static void GetMessageText(uint32 type, std::string* name, | 80 static void GetMessageText(uint32 type, std::string* name, |
72 const Message* message, std::string* params); | 81 const Message* message, std::string* params); |
73 | 82 |
74 // Logging function. |name| is a string in ASCII and |params| is a string in | 83 static void set_log_function_map(LogFunctionMap* functions) { |
75 // UTF-8. | 84 log_function_map_ = functions; |
76 typedef void (*LogFunction)(uint32 type, | 85 } |
77 std::string* name, | |
78 const Message* msg, | |
79 std::string* params); | |
80 | 86 |
81 static void SetLoggerFunctions(LogFunction *functions); | 87 static LogFunctionMap* log_function_map() { |
| 88 return log_function_map_; |
| 89 } |
82 | 90 |
83 private: | 91 private: |
84 friend struct DefaultSingletonTraits<Logging>; | 92 friend struct DefaultSingletonTraits<Logging>; |
85 Logging(); | 93 Logging(); |
86 | 94 |
87 void OnSendLogs(); | 95 void OnSendLogs(); |
88 void Log(const LogData& data); | 96 void Log(const LogData& data); |
89 | 97 |
90 bool enabled_; | 98 bool enabled_; |
91 bool enabled_on_stderr_; // only used on POSIX for now | 99 bool enabled_on_stderr_; // only used on POSIX for now |
92 | 100 |
93 std::vector<LogData> queued_logs_; | 101 std::vector<LogData> queued_logs_; |
94 bool queue_invoke_later_pending_; | 102 bool queue_invoke_later_pending_; |
95 | 103 |
96 Message::Sender* sender_; | 104 Message::Sender* sender_; |
97 MessageLoop* main_thread_; | 105 MessageLoop* main_thread_; |
98 | 106 |
99 Consumer* consumer_; | 107 Consumer* consumer_; |
100 | 108 |
101 static LogFunction *log_function_mapping_; | 109 static LogFunctionMap* log_function_map_; |
102 }; | 110 }; |
103 | 111 |
104 } // namespace IPC | 112 } // namespace IPC |
105 | 113 |
106 #endif // IPC_MESSAGE_LOG_ENABLED | 114 #endif // IPC_MESSAGE_LOG_ENABLED |
107 | 115 |
108 #endif // IPC_IPC_LOGGING_H_ | 116 #endif // IPC_IPC_LOGGING_H_ |
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