/*
* Copyright (c) 2008-2012 EMC Corporation
* All Rights Reserved
*/
package com.emc.storageos.volumecontroller.impl.plugins.metering.vnxfile.processor;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.methods.PostMethod;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.emc.nas.vnxfile.xmlapi.Mover;
import com.emc.nas.vnxfile.xmlapi.ResponsePacket;
import com.emc.nas.vnxfile.xmlapi.Status;
import com.emc.storageos.plugins.BaseCollectionException;
import com.emc.storageos.plugins.common.domainmodel.Operation;
import com.emc.storageos.plugins.metering.vnxfile.VNXFileConstants;
import com.emc.storageos.vnx.xmlapi.VNXDataMover;
import com.emc.storageos.volumecontroller.impl.plugins.metering.vnxfile.VNXFileProcessor;
/**
* VNXStoragePortGroupsProcessor is responsible to process the result received
* from XML API Server after getting the VNX Information. This is extracts the
* session information from response packet and uses the session id in the
* subsequent requests.
*/
public class VNXStoragePortGroupsProcessor extends VNXFileProcessor {
/**
* Logger instance.
*/
private final Logger _logger = LoggerFactory
.getLogger(VNXStoragePortGroupsProcessor.class);
@Override
public void processResult(Operation operation, Object resultObj,
Map<String, Object> keyMap) throws BaseCollectionException {
final PostMethod result = (PostMethod) resultObj;
_logger.info("processing vnx datamovers response" + resultObj);
try {
ResponsePacket responsePacket = (ResponsePacket) _unmarshaller
.unmarshal(result.getResponseBodyAsStream());
if (null != responsePacket.getPacketFault()) {
Status status = responsePacket.getPacketFault();
processErrorStatus(status, keyMap);
} else {
List<Object> queryResponse = getQueryResponse(responsePacket);
Iterator<Object> queryRespItr = queryResponse.iterator();
List<VNXDataMover> movers = new ArrayList<VNXDataMover>();
while (queryRespItr.hasNext()) {
Object responseObj = queryRespItr.next();
if (responseObj instanceof Mover) {
VNXDataMover vnxMover = new VNXDataMover();
Mover mover = (Mover) responseObj;
vnxMover.setId(Integer.valueOf(mover.getMover()));
vnxMover.setName(mover.getName());
vnxMover.setRole(mover.getRole().value());
_logger.debug("Port Group Information : {}",
vnxMover.toString());
movers.add(vnxMover);
}
}
_logger.info("Number of Port Groups found : {}", movers.size());
keyMap.put(VNXFileConstants.STORAGE_PORT_GROUPS, movers);
// Extract session information from the response header.
Header[] headers = result
.getResponseHeaders(VNXFileConstants.CELERRA_SESSION);
if (null != headers && headers.length > 0) {
keyMap.put(VNXFileConstants.CELERRA_SESSION,
headers[0].getValue());
_logger.info("Recieved celerra session information from the Server.");
}
}
} catch (final Exception ex) {
_logger.error(
"Exception occurred while processing the vnx info response due to ",
ex);
} finally {
result.releaseConnection();
}
}
@Override
protected void setPrerequisiteObjects(List<Object> inputArgs)
throws BaseCollectionException {
}
}