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67 lines
1.7 KiB
67 lines
1.7 KiB
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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#ifndef CTSAUDIO_FILEUTIL_H
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#define CTSAUDIO_FILEUTIL_H
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#include <stdarg.h>
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#include <utils/String8.h>
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#include <utils/threads.h>
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#include <iostream>
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#include <fstream>
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/**
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* Class to write to file and stdout at the same time.
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*
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*/
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class FileUtil {
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public:
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/**
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* create log / report dir
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* @param dirPath returns path of created dir
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*/
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static bool prepare(android::String8& dirPath);
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protected:
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FileUtil();
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virtual ~FileUtil();
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/**
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* if fileName is NULL, only stdout output will be supproted
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*/
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virtual bool init(const char* fileName);
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virtual bool doPrintf(const char* fmt, ...);
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/// fileOnly log only to file
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/// loglevel 0 .., -1 means no log level.
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virtual bool doVprintf(bool fileOnly, int loglevel, const char *fmt, va_list ap);
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private:
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// store dirPath to prevent creating multiple times
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static android::String8 mDirPath;
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std::ofstream mFile;
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static const int DEFAULT_BUFFER_SIZE = 1024;
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// buffer for printf. one line longer than this will be truncated.
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char* mBuffer;
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int mBufferSize;
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android::Mutex mWriteLock;
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};
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#endif // CTSAUDIO_FILEUTIL_H
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