/*
* Copyright 2014 NAVER Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.web.mapper;
import com.navercorp.pinpoint.common.buffer.Buffer;
import com.navercorp.pinpoint.common.buffer.FixedBuffer;
import com.navercorp.pinpoint.common.hbase.RowMapper;
import com.navercorp.pinpoint.common.service.ServiceTypeRegistryService;
import com.navercorp.pinpoint.common.trace.ServiceType;
import com.navercorp.pinpoint.common.util.ApplicationMapStatisticsUtils;
import com.navercorp.pinpoint.common.util.TimeUtils;
import com.navercorp.pinpoint.web.applicationmap.rawdata.LinkDataMap;
import com.navercorp.pinpoint.web.service.ApplicationFactory;
import com.navercorp.pinpoint.web.vo.Application;
import com.sematext.hbase.wd.RowKeyDistributorByHashPrefix;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.util.Bytes;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
/**
*
* @author netspider
*
*/
@Component
public class MapStatisticsCalleeMapper implements RowMapper<LinkDataMap> {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
private final LinkFilter filter;
@Autowired
private ServiceTypeRegistryService registry;
@Autowired
private ApplicationFactory applicationFactory;
@Autowired
@Qualifier("statisticsCalleeRowKeyDistributor")
private RowKeyDistributorByHashPrefix rowKeyDistributorByHashPrefix;
public MapStatisticsCalleeMapper() {
this(SkipLinkFilter.FILTER);
}
public MapStatisticsCalleeMapper(LinkFilter filter) {
if (filter == null) {
throw new NullPointerException("filter must not be null");
}
this.filter = filter;
}
@Override
public LinkDataMap mapRow(Result result, int rowNum) throws Exception {
if (result.isEmpty()) {
return new LinkDataMap();
}
logger.debug("mapRow:{}", rowNum);
final byte[] rowKey = getOriginalKey(result.getRow());
final Buffer row = new FixedBuffer(rowKey);
final Application calleeApplication = readCalleeApplication(row);
final long timestamp = TimeUtils.recoveryTimeMillis(row.readLong());
final LinkDataMap linkDataMap = new LinkDataMap();
for (Cell cell : result.rawCells()) {
final byte[] qualifier = CellUtil.cloneQualifier(cell);
final Application callerApplication = readCallerApplication(qualifier, calleeApplication.getServiceType());
if (filter.filter(callerApplication)) {
continue;
}
long requestCount = Bytes.toLong(cell.getValueArray(), cell.getValueOffset());
short histogramSlot = ApplicationMapStatisticsUtils.getHistogramSlotFromColumnName(qualifier);
String callerHost = ApplicationMapStatisticsUtils.getHost(qualifier);
boolean isError = histogramSlot == (short) -1;
if (logger.isDebugEnabled()) {
logger.debug(" Fetched Callee. {} callerHost:{} -> {} (slot:{}/{}), ", callerApplication, callerHost, calleeApplication, histogramSlot, requestCount);
}
final short slotTime = (isError) ? (short) -1 : histogramSlot;
linkDataMap.addLinkData(callerApplication, callerApplication.getName(), calleeApplication, callerHost, timestamp, slotTime, requestCount);
if (logger.isDebugEnabled()) {
logger.debug(" Fetched Callee. statistics:{}", linkDataMap);
}
}
return linkDataMap;
}
private Application readCallerApplication(byte[] qualifier, ServiceType calleeServiceType) {
short callerServiceType = ApplicationMapStatisticsUtils.getDestServiceTypeFromColumnName(qualifier);
// Caller may be a user node, and user nodes may call nodes with the same application name but different service type.
// To distinguish between these user nodes, append callee's service type to the application name.
String callerApplicationName;
if (registry.findServiceType(callerServiceType).isUser()) {
callerApplicationName = ApplicationMapStatisticsUtils.getDestApplicationNameFromColumnNameForUser(qualifier, calleeServiceType);
} else {
callerApplicationName = ApplicationMapStatisticsUtils.getDestApplicationNameFromColumnName(qualifier);
}
return this.applicationFactory.createApplication(callerApplicationName, callerServiceType);
}
private Application readCalleeApplication(Buffer row) {
String calleeApplicationName = row.read2PrefixedString();
short calleeServiceType = row.readShort();
return this.applicationFactory.createApplication(calleeApplicationName, calleeServiceType);
}
private byte[] getOriginalKey(byte[] rowKey) {
return rowKeyDistributorByHashPrefix.getOriginalKey(rowKey);
}
}