/*
* 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.buffer.OffsetFixedBuffer;
import com.navercorp.pinpoint.common.hbase.RowMapper;
import com.navercorp.pinpoint.common.service.ServiceTypeRegistryService;
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.commons.lang3.StringUtils;
import org.apache.hadoop.hbase.Cell;
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;
/**
* rowkey = caller col = callee
*
* @author netspider
*/
@Component
public class MapStatisticsCallerMapper 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("statisticsCallerRowKeyDistributor")
private RowKeyDistributorByHashPrefix rowKeyDistributorByHashPrefix;
public MapStatisticsCallerMapper() {
this(SkipLinkFilter.FILTER);
}
public MapStatisticsCallerMapper(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 caller = readCallerApplication(row);
final long timestamp = TimeUtils.recoveryTimeMillis(row.readLong());
// key is destApplicationName.
final LinkDataMap linkDataMap = new LinkDataMap();
for (Cell cell : result.rawCells()) {
final Buffer buffer = new OffsetFixedBuffer(cell.getQualifierArray(), cell.getQualifierOffset(), cell.getQualifierLength());
final Application callee = readCalleeApplication(buffer);
if (filter.filter(callee)) {
continue;
}
String calleeHost = buffer.readPrefixedString();
short histogramSlot = buffer.readShort();
boolean isError = histogramSlot == (short) -1;
String callerAgentId = buffer.readPrefixedString();
long requestCount = getValueToLong(cell);
if (logger.isDebugEnabled()) {
logger.debug(" Fetched Caller.(New) {} {} -> {} (slot:{}/{}) calleeHost:{}", caller, callerAgentId, callee, histogramSlot, requestCount, calleeHost);
}
final short slotTime = (isError) ? (short) -1 : histogramSlot;
if (StringUtils.isEmpty(calleeHost)) {
calleeHost = callee.getName();
}
linkDataMap.addLinkData(caller, callerAgentId, callee, calleeHost, timestamp, slotTime, requestCount);
}
return linkDataMap;
}
private long getValueToLong(Cell cell) {
return Bytes.toLong(cell.getValueArray(), cell.getValueOffset());
}
private Application readCalleeApplication(Buffer buffer) {
short calleeServiceType = buffer.readShort();
String calleeApplicationName = buffer.readPrefixedString();
return applicationFactory.createApplication(calleeApplicationName, calleeServiceType);
}
private Application readCallerApplication(Buffer row) {
String callerApplicationName = row.read2PrefixedString();
short callerServiceType = row.readShort();
return this.applicationFactory.createApplication(callerApplicationName, callerServiceType);
}
private byte[] getOriginalKey(byte[] rowKey) {
return rowKeyDistributorByHashPrefix.getOriginalKey(rowKey);
}
}