mirror of
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130 lines
4.7 KiB
C++
130 lines
4.7 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Portions of this file are from JUCE.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Please visit http://www.juce.com
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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FileLogger::FileLogger (const File& file,
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const String& welcomeMessage,
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const int64 maxInitialFileSizeBytes)
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: logFile (file)
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{
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if (maxInitialFileSizeBytes >= 0)
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trimFileSize (maxInitialFileSizeBytes);
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if (! file.exists())
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file.create(); // (to create the parent directories)
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String welcome;
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welcome << newLine
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<< "**********************************************************" << newLine
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<< welcomeMessage << newLine
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<< "Log started: " << Time::getCurrentTime().toString (true, true) << newLine;
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FileLogger::logMessage (welcome);
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}
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FileLogger::~FileLogger() {}
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//==============================================================================
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void FileLogger::logMessage (const String& message)
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{
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const ScopedLock sl (logLock);
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DBG (message);
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FileOutputStream out (logFile, 256);
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out << message << newLine;
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}
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void FileLogger::trimFileSize (int64 maxFileSizeBytes) const
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{
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if (maxFileSizeBytes <= 0)
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{
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logFile.deleteFile();
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}
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else
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{
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const int64 fileSize = logFile.getSize();
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if (fileSize > maxFileSizeBytes)
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{
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TemporaryFile tempFile (logFile);
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{
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FileOutputStream out (tempFile.getFile());
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FileInputStream in (logFile);
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if (! (out.openedOk() && in.openedOk()))
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return;
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in.setPosition (fileSize - maxFileSizeBytes);
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for (;;)
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{
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const char c = in.readByte();
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if (c == 0)
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return;
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if (c == '\n' || c == '\r')
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{
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out << c;
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break;
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}
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}
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out.writeFromInputStream (in, -1);
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}
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tempFile.overwriteTargetFileWithTemporary();
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}
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}
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}
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//==============================================================================
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File FileLogger::getSystemLogFileFolder()
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{
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#if BEAST_MAC
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return File ("~/Library/Logs");
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#else
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return File::getSpecialLocation (File::userApplicationDataDirectory);
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#endif
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}
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FileLogger* FileLogger::createDefaultAppLogger (const String& logFileSubDirectoryName,
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const String& logFileName,
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const String& welcomeMessage,
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const int64 maxInitialFileSizeBytes)
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{
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return new FileLogger (getSystemLogFileFolder().getChildFile (logFileSubDirectoryName)
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.getChildFile (logFileName),
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welcomeMessage, maxInitialFileSizeBytes);
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}
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FileLogger* FileLogger::createDateStampedLogger (const String& logFileSubDirectoryName,
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const String& logFileNameRoot,
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const String& logFileNameSuffix,
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const String& welcomeMessage)
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{
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return new FileLogger (getSystemLogFileFolder().getChildFile (logFileSubDirectoryName)
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.getChildFile (logFileNameRoot + Time::getCurrentTime().formatted ("%Y-%m-%d_%H-%M-%S"))
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.withFileExtension (logFileNameSuffix)
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.getNonexistentSibling(),
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welcomeMessage, 0);
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}
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