mirror of
https://github.com/DSheirer/sdrtrunk.git
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124 lines
3.4 KiB
Java
124 lines
3.4 KiB
Java
/*
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* *****************************************************************************
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* Copyright (C) 2014-2022 Dennis Sheirer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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* ****************************************************************************
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*/
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package io.github.dsheirer.module.log;
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import io.github.dsheirer.module.Module;
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import io.github.dsheirer.util.TimeStamp;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.OutputStreamWriter;
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import java.io.Writer;
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import java.nio.file.Path;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public abstract class EventLogger extends Module
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{
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private final static Logger mLog = LoggerFactory.getLogger(EventLogger.class);
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private Path mLogDirectory;
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private String mFileNameSuffix;
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private String mLogFileName;
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private long mFrequency;
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protected Writer mLogFile;
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public EventLogger(Path logDirectory, String fileNameSuffix, long frequency)
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{
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mLogDirectory = logDirectory;
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mFileNameSuffix = fileNameSuffix;
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mFrequency = frequency;
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}
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public String toString()
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{
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if(mLogFileName != null)
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{
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return mLogFileName;
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}
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else
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{
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return "Unknown";
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}
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}
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public abstract String getHeader();
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@Override
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public void start()
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{
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if(mLogFile == null)
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{
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try
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{
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StringBuilder sb = new StringBuilder();
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sb.append(mLogDirectory);
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sb.append(File.separator);
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sb.append(TimeStamp.getLongTimeStamp("_"));
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sb.append("_");
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sb.append(mFrequency);
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sb.append("_Hz_");
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sb.append(mFileNameSuffix);
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mLogFileName = sb.toString();
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mLogFile = new OutputStreamWriter(new FileOutputStream(mLogFileName));
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write(getHeader());
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}
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catch(FileNotFoundException e)
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{
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mLog.error("Couldn't create log file in directory:" + mLogDirectory);
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}
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}
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}
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public void stop()
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{
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if(mLogFile != null)
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{
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try
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{
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mLogFile.flush();
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mLogFile.close();
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mLogFile = null;
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}
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catch(Exception e)
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{
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mLog.error("Couldn't close log file:" + mFileNameSuffix);
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}
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}
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}
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protected void write(String eventLogEntry)
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{
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try
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{
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if(mLogFile != null)
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{
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mLogFile.write((eventLogEntry != null ? eventLogEntry : "") + "\n");
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mLogFile.flush();
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}
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}
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catch(Exception e)
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{
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mLog.error("Error writing entry to event log file", e);
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}
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}
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}
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