1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_ 12 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_ 13 14 #include "webrtc/base/criticalsection.h" 15 #include "webrtc/base/scoped_ptr.h" 16 #include "webrtc/system_wrappers/include/event_wrapper.h" 17 #include "webrtc/system_wrappers/include/file_wrapper.h" 18 #include "webrtc/system_wrappers/include/static_instance.h" 19 #include "webrtc/base/platform_thread.h" 20 #include "webrtc/system_wrappers/include/trace.h" 21 22 namespace webrtc { 23 24 #define WEBRTC_TRACE_MAX_MESSAGE_SIZE 1024 25 // Total buffer size is WEBRTC_TRACE_NUM_ARRAY (number of buffer partitions) * 26 // WEBRTC_TRACE_MAX_QUEUE (number of lines per buffer partition) * 27 // WEBRTC_TRACE_MAX_MESSAGE_SIZE (number of 1 byte charachters per line) = 28 // 1 or 4 Mbyte. 29 30 #define WEBRTC_TRACE_MAX_FILE_SIZE 100*1000 31 // Number of rows that may be written to file. On average 110 bytes per row (max 32 // 256 bytes per row). So on average 110*100*1000 = 11 Mbyte, max 256*100*1000 = 33 // 25.6 Mbyte 34 35 class TraceImpl : public Trace { 36 public: 37 virtual ~TraceImpl(); 38 39 static TraceImpl* CreateInstance(); 40 static TraceImpl* GetTrace(const TraceLevel level = kTraceAll); 41 42 int32_t SetTraceFileImpl(const char* file_name, const bool add_file_counter); 43 int32_t TraceFileImpl(char file_name[FileWrapper::kMaxFileNameSize]); 44 45 int32_t SetTraceCallbackImpl(TraceCallback* callback); 46 47 void AddImpl(const TraceLevel level, const TraceModule module, 48 const int32_t id, const char* msg); 49 50 bool TraceCheck(const TraceLevel level) const; 51 52 protected: 53 TraceImpl(); 54 55 static TraceImpl* StaticInstance(CountOperation count_operation, 56 const TraceLevel level = kTraceAll); 57 58 int32_t AddThreadId(char* trace_message) const; 59 60 // OS specific implementations. 61 virtual int32_t AddTime(char* trace_message, 62 const TraceLevel level) const = 0; 63 64 virtual int32_t AddDateTimeInfo(char* trace_message) const = 0; 65 66 private: 67 friend class Trace; 68 69 int32_t AddLevel(char* sz_message, const TraceLevel level) const; 70 71 int32_t AddModuleAndId(char* trace_message, const TraceModule module, 72 const int32_t id) const; 73 74 int32_t AddMessage(char* trace_message, 75 const char msg[WEBRTC_TRACE_MAX_MESSAGE_SIZE], 76 const uint16_t written_so_far) const; 77 78 void AddMessageToList( 79 const char trace_message[WEBRTC_TRACE_MAX_MESSAGE_SIZE], 80 const uint16_t length, 81 const TraceLevel level); 82 83 bool UpdateFileName( 84 const char file_name_utf8[FileWrapper::kMaxFileNameSize], 85 char file_name_with_counter_utf8[FileWrapper::kMaxFileNameSize], 86 const uint32_t new_count) const; 87 88 bool CreateFileName( 89 const char file_name_utf8[FileWrapper::kMaxFileNameSize], 90 char file_name_with_counter_utf8[FileWrapper::kMaxFileNameSize], 91 const uint32_t new_count) const; 92 93 void WriteToFile(const char* msg, uint16_t length) 94 EXCLUSIVE_LOCKS_REQUIRED(crit_); 95 96 TraceCallback* callback_ GUARDED_BY(crit_); 97 uint32_t row_count_text_ GUARDED_BY(crit_); 98 uint32_t file_count_text_ GUARDED_BY(crit_); 99 100 const rtc::scoped_ptr<FileWrapper> trace_file_ GUARDED_BY(crit_); 101 rtc::CriticalSection crit_; 102 }; 103 104 } // namespace webrtc 105 106 #endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_ 107
