/*******************************************************************************
* Copyright (c) 2011 The Board of Trustees of the Leland Stanford Junior University
* as Operator of the SLAC National Accelerator Laboratory.
* Copyright (c) 2011 Brookhaven National Laboratory.
* EPICS archiver appliance is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
*******************************************************************************/
package org.epics.archiverappliance.engine.bpl.reports;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.LinkedList;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.epics.archiverappliance.common.BPLAction;
import org.epics.archiverappliance.common.TimeUtils;
import org.epics.archiverappliance.config.ConfigService;
import org.epics.archiverappliance.engine.model.ArchiveChannel;
import org.epics.archiverappliance.engine.pv.EngineContext;
import org.epics.archiverappliance.engine.pv.PVMetrics;
import org.epics.archiverappliance.utils.ui.MimeTypeConstants;
import org.json.simple.JSONValue;
/**
* Reports for PVs that never connected.
* @author mshankar
*
*/
public class NeverConnectedPVsAction implements BPLAction {
private static final Logger logger = Logger.getLogger(NeverConnectedPVsAction.class);
@Override
public void execute(HttpServletRequest req, HttpServletResponse resp,
ConfigService configService) throws IOException {
logger.info("Getting the status of pvs that never connected since the start of this appliance");
resp.setContentType(MimeTypeConstants.APPLICATION_JSON);
EngineContext engineContext = configService.getEngineContext();
LinkedList<HashMap<String, String>> result = new LinkedList<HashMap<String, String>>();
try (PrintWriter out = resp.getWriter()) {
for(ArchiveChannel channel : engineContext.getChannelList().values()) {
PVMetrics pvMetrics = channel.getPVMetrics();
if(pvMetrics.getConnectionFirstEstablishedEpochSeconds() == 0L) {
HashMap<String, String> pvStatus = new HashMap<String, String>();
result.add(pvStatus);
pvStatus.put("pvName", pvMetrics.getPvName());
pvStatus.put("requestTime", TimeUtils.convertToHumanReadableString(pvMetrics.getConnectionRequestMadeEpochSeconds()));
}
}
out.println(JSONValue.toJSONString(result));
}
}
}