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A collection of software for aggregatting and processing environmental data such as from NOAA GOES satellites.
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package decodes.routing;

import java.util.Date;

import opendcs.dai.DacqEventDAI;
import opendcs.dao.DacqEventDAO;
import opendcs.dao.DatabaseConnectionOwner;
import decodes.db.Database;
import decodes.polling.DacqEvent;
import decodes.sql.DbKey;
import decodes.sql.SqlDatabaseIO;
import decodes.tsdb.DbIoException;
import decodes.tsdb.TsdbAppTemplate;
import ilex.util.Logger;

public class DacqEventLogger 
	extends Logger
{
	private Logger parent = null;
	private DbKey schedEntryStatusId = DbKey.NullKey;
	private DbKey platformId = DbKey.NullKey;
	private String subsystem = null;
	private DbKey appId = DbKey.NullKey;
	private Date msgStart = null;

	public DacqEventLogger(Logger parent)
	{
		super("");
		this.parent = parent;
		if (parent != null)
			this.setMinLogPriority(parent.getMinLogPriority());
		
		if (TsdbAppTemplate.getAppInstance() != null)
			appId = TsdbAppTemplate.getAppInstance().getAppId();
	}

	@Override
	public void close()
	{
	}

	@Override
	public void doLog(int priority, String text)
	{
		if (parent != null)
		{
			parent.doLog(priority, text);
		}
		if (priority < Logger.E_INFORMATION)
		{
			return;
		}

		if (fromDacqDao())
		{
			return;
		}

		DacqEvent evt = new DacqEvent();
		evt.setPlatformId(platformId);
		evt.setSubsystem(subsystem);
		evt.setEventPriority(priority);
		evt.setEventText(text);
		evt.setAppId(appId);
		evt.setMsgRecvTime(msgStart);
		
		writeDacqEvent(evt);
	}
	
	/**
	 * Verify that we aren't trying to write a log message from DacqEventDAO through
	 * DacqEventDAO as presumably such messages are due to connection or database issues.
	 * @return
	 */
	private boolean fromDacqDao()
	{
		StackTraceElement stackTrace[] = Thread.currentThread().getStackTrace();
		for (StackTraceElement ste: stackTrace)
		{
			if (DacqEventDAO.class.getName().equals(ste.getClassName()))
			{
				return true;
			}
		}
		return false;
	}

	public void writeDacqEvent(DacqEvent evt)
	{
		if (!(Database.getDb().getDbIo() instanceof SqlDatabaseIO))
			return;
		
		try (DacqEventDAI dacqEventDAO = ((SqlDatabaseIO)Database.getDb().getDbIo()).makeDacqEventDAO())
		{
			evt.setScheduleEntryStatusId(schedEntryStatusId);
			dacqEventDAO.writeEvent(evt);
		}
		catch (DbIoException ex)
		{
			parent.debug3("DacqEventLogger cannot write event to database: " 
				+ ex + " -- will disable DB events until next run.");
		}
	}

	public void setSchedEntryStatusId(DbKey schedEntryStatusId)
	{
		this.schedEntryStatusId = schedEntryStatusId;
	}

	public void setPlatformId(DbKey platformId)
	{
		this.platformId = platformId;
	}

	public void setSubsystem(String subsystem)
	{
		this.subsystem = subsystem;
	}

	public void setAppId(DbKey appId)
	{
		this.appId = appId;
	}

	public void setMsgStart(Date timeStamp)
	{
		msgStart = timeStamp;
	}

}