142 lines
4.9 KiB
C++
142 lines
4.9 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_
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#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_
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#include "system_wrappers/interface/critical_section_wrapper.h"
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#include "system_wrappers/interface/event_wrapper.h"
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#include "system_wrappers/interface/file_wrapper.h"
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#include "system_wrappers/interface/trace.h"
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#include "system_wrappers/interface/thread_wrapper.h"
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namespace webrtc {
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enum TraceCount
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{
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WEBRTC_TRACE_DEC = 0,
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WEBRTC_TRACE_INC = 1,
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WEBRTC_TRACE_INC_NO_CREATE = 2
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};
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enum TraceCreate
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{
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WEBRTC_TRACE_EXIST = 0,
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WEBRTC_TRACE_CREATE = 1,
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WEBRTC_TRACE_DESTROY = 2
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};
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// TODO (pwestin) WEBRTC_TRACE_MAX_QUEUE needs to be tweaked
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// TODO (hellner) the buffer should be close to how much the system can write to
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// file. Increasing the buffer will not solve anything. Sooner or
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// later the buffer is going to fill up anyways.
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#if defined(MAC_IPHONE)
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#define WEBRTC_TRACE_MAX_QUEUE 2000
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#else
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#define WEBRTC_TRACE_MAX_QUEUE 8000
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#endif
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#define WEBRTC_TRACE_NUM_ARRAY 2
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#define WEBRTC_TRACE_MAX_MESSAGE_SIZE 256
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// Total buffer size is WEBRTC_TRACE_NUM_ARRAY (number of buffer partitions) *
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// WEBRTC_TRACE_MAX_QUEUE (number of lines per buffer partition) *
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// WEBRTC_TRACE_MAX_MESSAGE_SIZE (number of 1 byte charachters per line) =
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// 1 or 4 Mbyte
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#define WEBRTC_TRACE_MAX_FILE_SIZE 100*1000
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// Number of rows that may be written to file. On average 110 bytes per row (max
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// 256 bytes per row). So on average 110*100*1000 = 11 Mbyte, max 256*100*1000 =
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// 25.6 Mbyte
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class TraceImpl : public Trace
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{
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public:
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virtual ~TraceImpl();
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static Trace* CreateTrace();
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static TraceImpl* GetTrace(const TraceLevel level = kTraceAll);
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static Trace* StaticInstance(TraceCount inc,
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const TraceLevel level = kTraceAll);
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WebRtc_Word32 SetTraceFileImpl(const WebRtc_Word8* fileName,
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const bool addFileCounter);
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WebRtc_Word32 TraceFileImpl(
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WebRtc_Word8 fileName[FileWrapper::kMaxFileNameSize]);
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WebRtc_Word32 SetTraceCallbackImpl(TraceCallback* callback);
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void AddImpl(const TraceLevel level, const TraceModule module,
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const WebRtc_Word32 id, const char* msg);
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bool StopThread();
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bool TraceCheck(const TraceLevel level) const;
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protected:
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TraceImpl();
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// OS specific implementations
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virtual WebRtc_Word32 AddThreadId(char* traceMessage) const = 0;
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virtual WebRtc_Word32 AddTime(char* traceMessage,
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const TraceLevel level) const = 0;
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virtual WebRtc_Word32 AddBuildInfo(char* traceMessage) const = 0;
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virtual WebRtc_Word32 AddDateTimeInfo(char* traceMessage) const = 0;
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static bool Run(void* obj);
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bool Process();
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private:
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WebRtc_Word32 AddLevel(char* szMessage, const TraceLevel level) const;
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WebRtc_Word32 AddModuleAndId(char* traceMessage, const TraceModule module,
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const WebRtc_Word32 id) const;
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WebRtc_Word32 AddMessage(char* traceMessage,
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const char msg[WEBRTC_TRACE_MAX_MESSAGE_SIZE],
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const WebRtc_UWord16 writtenSoFar) const;
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void AddMessageToList(
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const char traceMessage[WEBRTC_TRACE_MAX_MESSAGE_SIZE],
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const WebRtc_UWord16 length,
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const TraceLevel level);
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bool UpdateFileName(
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const WebRtc_Word8 fileNameUTF8[FileWrapper::kMaxFileNameSize],
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WebRtc_Word8 fileNameWithCounterUTF8[FileWrapper::kMaxFileNameSize],
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const WebRtc_UWord32 newCount) const;
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bool CreateFileName(
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const WebRtc_Word8 fileNameUTF8[FileWrapper::kMaxFileNameSize],
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WebRtc_Word8 fileNameWithCounterUTF8[FileWrapper::kMaxFileNameSize],
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const WebRtc_UWord32 newCount) const;
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void WriteToFile();
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CriticalSectionWrapper& _critsectInterface;
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TraceCallback* _callback;
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WebRtc_UWord32 _rowCountText;
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WebRtc_UWord32 _fileCountText;
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FileWrapper& _traceFile;
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ThreadWrapper& _thread;
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EventWrapper& _event;
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// _critsectArray protects _activeQueue
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CriticalSectionWrapper& _critsectArray;
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WebRtc_UWord16 _nextFreeIdx[WEBRTC_TRACE_NUM_ARRAY];
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TraceLevel _level[WEBRTC_TRACE_NUM_ARRAY][WEBRTC_TRACE_MAX_QUEUE];
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WebRtc_UWord16 _length[WEBRTC_TRACE_NUM_ARRAY][WEBRTC_TRACE_MAX_QUEUE];
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WebRtc_Word8* _messageQueue[WEBRTC_TRACE_NUM_ARRAY][WEBRTC_TRACE_MAX_QUEUE];
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WebRtc_UWord8 _activeQueue;
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};
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} // namespace webrtc
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#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_
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