4b3618c7f3
Simplifies TraceImpl significantly. Chromium uses trace callbacks and logs directly through the trace callback interface. Added slowdowns when logging to file are expected to only affect test targets. BUG= R=andresp@webrtc.org, tommi@webrtc.org Review URL: https://webrtc-codereview.appspot.com/34329004 Cr-Commit-Position: refs/heads/master@{#8529} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8529 4adac7df-926f-26a2-2b94-8c16560cd09d
107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
/*
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* Copyright (c) 2012 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 "webrtc/base/criticalsection.h"
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/system_wrappers/interface/event_wrapper.h"
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#include "webrtc/system_wrappers/interface/file_wrapper.h"
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#include "webrtc/system_wrappers/interface/static_instance.h"
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#include "webrtc/system_wrappers/interface/thread_wrapper.h"
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#include "webrtc/system_wrappers/interface/trace.h"
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namespace webrtc {
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#define WEBRTC_TRACE_MAX_MESSAGE_SIZE 1024
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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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public:
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virtual ~TraceImpl();
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static TraceImpl* CreateInstance();
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static TraceImpl* GetTrace(const TraceLevel level = kTraceAll);
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int32_t SetTraceFileImpl(const char* file_name, const bool add_file_counter);
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int32_t TraceFileImpl(char file_name[FileWrapper::kMaxFileNameSize]);
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int32_t SetTraceCallbackImpl(TraceCallback* callback);
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void AddImpl(const TraceLevel level, const TraceModule module,
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const int32_t id, const char* msg);
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bool TraceCheck(const TraceLevel level) const;
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protected:
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TraceImpl();
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static TraceImpl* StaticInstance(CountOperation count_operation,
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const TraceLevel level = kTraceAll);
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int32_t AddThreadId(char* trace_message) const;
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// OS specific implementations.
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virtual int32_t AddTime(char* trace_message,
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const TraceLevel level) const = 0;
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virtual int32_t AddDateTimeInfo(char* trace_message) const = 0;
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private:
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friend class Trace;
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int32_t AddLevel(char* sz_message, const TraceLevel level) const;
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int32_t AddModuleAndId(char* trace_message, const TraceModule module,
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const int32_t id) const;
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int32_t AddMessage(char* trace_message,
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const char msg[WEBRTC_TRACE_MAX_MESSAGE_SIZE],
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const uint16_t written_so_far) const;
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void AddMessageToList(
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const char trace_message[WEBRTC_TRACE_MAX_MESSAGE_SIZE],
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const uint16_t length,
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const TraceLevel level);
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bool UpdateFileName(
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const char file_name_utf8[FileWrapper::kMaxFileNameSize],
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char file_name_with_counter_utf8[FileWrapper::kMaxFileNameSize],
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const uint32_t new_count) const;
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bool CreateFileName(
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const char file_name_utf8[FileWrapper::kMaxFileNameSize],
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char file_name_with_counter_utf8[FileWrapper::kMaxFileNameSize],
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const uint32_t new_count) const;
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void WriteToFile(const char* msg, uint16_t length)
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EXCLUSIVE_LOCKS_REQUIRED(crit_);
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rtc::CriticalSection crit_;
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TraceCallback* callback_ GUARDED_BY(crit_);
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uint32_t row_count_text_ GUARDED_BY(crit_);
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uint32_t file_count_text_ GUARDED_BY(crit_);
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const rtc::scoped_ptr<FileWrapper> trace_file_ GUARDED_BY(crit_);
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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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