git-svn-id: http://webrtc.googlecode.com/svn/trunk@6 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/system_wrappers/source/trace_impl.h b/system_wrappers/source/trace_impl.h
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+++ b/system_wrappers/source/trace_impl.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_
+#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_
+
+#include "system_wrappers/interface/critical_section_wrapper.h"
+#include "system_wrappers/interface/event_wrapper.h"
+#include "system_wrappers/interface/file_wrapper.h"
+#include "system_wrappers/interface/trace.h"
+#include "system_wrappers/interface/thread_wrapper.h"
+
+namespace webrtc {
+enum TraceCount
+{
+ WEBRTC_TRACE_DEC = 0,
+ WEBRTC_TRACE_INC = 1,
+ WEBRTC_TRACE_INC_NO_CREATE = 2
+};
+
+enum TraceCreate
+{
+ WEBRTC_TRACE_EXIST = 0,
+ WEBRTC_TRACE_CREATE = 1,
+ WEBRTC_TRACE_DESTROY = 2
+};
+
+// TODO (pwestin) WEBRTC_TRACE_MAX_QUEUE needs to be tweaked
+// TODO (hellner) the buffer should be close to how much the system can write to
+// file. Increasing the buffer will not solve anything. Sooner or
+// later the buffer is going to fill up anyways.
+#if defined(MAC_IPHONE)
+ #define WEBRTC_TRACE_MAX_QUEUE 2000
+#else
+ #define WEBRTC_TRACE_MAX_QUEUE 8000
+#endif
+#define WEBRTC_TRACE_NUM_ARRAY 2
+#define WEBRTC_TRACE_MAX_MESSAGE_SIZE 256
+// Total buffer size is WEBRTC_TRACE_NUM_ARRAY (number of buffer partitions) *
+// WEBRTC_TRACE_MAX_QUEUE (number of lines per buffer partition) *
+// WEBRTC_TRACE_MAX_MESSAGE_SIZE (number of 1 byte charachters per line) =
+// 1 or 4 Mbyte
+
+#define WEBRTC_TRACE_MAX_FILE_SIZE 100*1000
+// Number of rows that may be written to file. On average 110 bytes per row (max
+// 256 bytes per row). So on average 110*100*1000 = 11 Mbyte, max 256*100*1000 =
+// 25.6 Mbyte
+
+class TraceImpl : public Trace
+{
+public:
+ virtual ~TraceImpl();
+
+ static Trace* CreateTrace();
+ static TraceImpl* GetTrace(const TraceLevel level = kTraceAll);
+
+ static Trace* StaticInstance(TraceCount inc,
+ const TraceLevel level = kTraceAll);
+
+ WebRtc_Word32 SetTraceFileImpl(const WebRtc_Word8* fileName,
+ const bool addFileCounter);
+ WebRtc_Word32 TraceFileImpl(
+ WebRtc_Word8 fileName[FileWrapper::kMaxFileNameSize]);
+
+ WebRtc_Word32 SetTraceCallbackImpl(TraceCallback* callback);
+
+ void AddImpl(const TraceLevel level, const TraceModule module,
+ const WebRtc_Word32 id, const char* msg);
+
+ bool StopThread();
+
+ bool TraceCheck(const TraceLevel level) const;
+
+protected:
+ TraceImpl();
+
+ // OS specific implementations
+ virtual WebRtc_Word32 AddThreadId(char* traceMessage) const = 0;
+ virtual WebRtc_Word32 AddTime(char* traceMessage,
+ const TraceLevel level) const = 0;
+
+ virtual WebRtc_Word32 AddBuildInfo(char* traceMessage) const = 0;
+ virtual WebRtc_Word32 AddDateTimeInfo(char* traceMessage) const = 0;
+
+ static bool Run(void* obj);
+ bool Process();
+
+private:
+ WebRtc_Word32 AddLevel(char* szMessage, const TraceLevel level) const;
+
+ WebRtc_Word32 AddModuleAndId(char* traceMessage, const TraceModule module,
+ const WebRtc_Word32 id) const;
+
+ WebRtc_Word32 AddMessage(char* traceMessage,
+ const char msg[WEBRTC_TRACE_MAX_MESSAGE_SIZE],
+ const WebRtc_UWord16 writtenSoFar) const;
+
+ void AddMessageToList(
+ const char traceMessage[WEBRTC_TRACE_MAX_MESSAGE_SIZE],
+ const WebRtc_UWord16 length,
+ const TraceLevel level);
+
+ bool UpdateFileName(
+ const WebRtc_Word8 fileNameUTF8[FileWrapper::kMaxFileNameSize],
+ WebRtc_Word8 fileNameWithCounterUTF8[FileWrapper::kMaxFileNameSize],
+ const WebRtc_UWord32 newCount) const;
+
+ bool CreateFileName(
+ const WebRtc_Word8 fileNameUTF8[FileWrapper::kMaxFileNameSize],
+ WebRtc_Word8 fileNameWithCounterUTF8[FileWrapper::kMaxFileNameSize],
+ const WebRtc_UWord32 newCount) const;
+
+ void WriteToFile();
+
+ CriticalSectionWrapper& _critsectInterface;
+ TraceCallback* _callback;
+ WebRtc_UWord32 _rowCountText;
+ WebRtc_UWord32 _fileCountText;
+
+ FileWrapper& _traceFile;
+ ThreadWrapper& _thread;
+ EventWrapper& _event;
+
+ // _critsectArray protects _activeQueue
+ CriticalSectionWrapper& _critsectArray;
+ WebRtc_UWord16 _nextFreeIdx[WEBRTC_TRACE_NUM_ARRAY];
+ TraceLevel _level[WEBRTC_TRACE_NUM_ARRAY][WEBRTC_TRACE_MAX_QUEUE];
+ WebRtc_UWord16 _length[WEBRTC_TRACE_NUM_ARRAY][WEBRTC_TRACE_MAX_QUEUE];
+ WebRtc_Word8* _messageQueue[WEBRTC_TRACE_NUM_ARRAY][WEBRTC_TRACE_MAX_QUEUE];
+ WebRtc_UWord8 _activeQueue;
+};
+} // namespace webrtc
+
+#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_TRACE_IMPL_H_