87 lines
4.1 KiB
Java
87 lines
4.1 KiB
Java
package cn.ac.iie.dao;
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import cn.ac.iie.config.ApplicationConfig;
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import cn.ac.iie.service.ingestion.ReadHistoryArangoData;
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import cn.ac.iie.utils.ArangoDBConnect;
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import cn.ac.iie.utils.ExecutorThreadPool;
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import com.arangodb.ArangoCursor;
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import com.arangodb.entity.BaseDocument;
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import com.arangodb.entity.BaseEdgeDocument;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.CountDownLatch;
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/**
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* 获取arangoDB历史数据
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*/
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public class BaseArangoData {
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private static final Logger LOG = LoggerFactory.getLogger(BaseArangoData.class);
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public static ConcurrentHashMap<String, BaseDocument> historyVertexFqdnMap = new ConcurrentHashMap<>();
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public static ConcurrentHashMap<String, BaseDocument> historyVertexIpMap = new ConcurrentHashMap<>();
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public static ConcurrentHashMap<String, BaseDocument> historyVertexSubscriberMap = new ConcurrentHashMap<>();
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public static ConcurrentHashMap<String, BaseEdgeDocument> historyRelationFqdnAddressIpMap = new ConcurrentHashMap<>();
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public static ConcurrentHashMap<String, BaseEdgeDocument> historyRelationIpVisitFqdnMap = new ConcurrentHashMap<>();
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public static ConcurrentHashMap<String, BaseEdgeDocument> historyRelationSubsciberLocateIpMap = new ConcurrentHashMap<>();
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private static ArangoDBConnect arangoDBConnect = ArangoDBConnect.getInstance();
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private ExecutorThreadPool threadPool = ExecutorThreadPool.getInstance();
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<T extends BaseDocument> void readHistoryData(String table, ConcurrentHashMap<String, T> map, Class<T> type){
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try {
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long start = System.currentTimeMillis();
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CountDownLatch countDownLatch = new CountDownLatch(ApplicationConfig.THREAD_POOL_NUMBER);
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long[] timeRange = getTimeRange(table);
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for (int i = 0; i < ApplicationConfig.THREAD_POOL_NUMBER; i++) {
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String sql = getQuerySql(timeRange, i, table);
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ReadHistoryArangoData<T> readHistoryArangoData = new ReadHistoryArangoData<>(arangoDBConnect, sql, map,type,table,countDownLatch);
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threadPool.executor(readHistoryArangoData);
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}
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countDownLatch.await();
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long last = System.currentTimeMillis();
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LOG.info("读取"+table+" arangoDB 共耗时："+(last-start));
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LOG.info(table+" history Map大小为："+map.size());
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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private long[] getTimeRange(String table){
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long minTime = 0L;
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long maxTime = 0L;
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long startTime = System.currentTimeMillis();
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String sql = "LET doc = (FOR doc IN "+table+" RETURN doc) return {max_time:MAX(doc[*].FIRST_FOUND_TIME),min_time:MIN(doc[*].FIRST_FOUND_TIME)}";
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ArangoCursor<BaseDocument> timeDoc = arangoDBConnect.executorQuery(sql, BaseDocument.class);
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try {
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if (timeDoc != null){
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while (timeDoc.hasNext()) {
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BaseDocument doc = timeDoc.next();
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maxTime = Long.parseLong(doc.getAttribute("max_time").toString()) + ApplicationConfig.THREAD_POOL_NUMBER;
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minTime = Long.parseLong(doc.getAttribute("min_time").toString());
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}
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long lastTime = System.currentTimeMillis();
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LOG.info(sql+"\n查询最大最小时间用时：" + (lastTime - startTime));
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}else {
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LOG.warn("获取ArangoDb时间范围为空");
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}
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}catch (Exception e){
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e.printStackTrace();
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}
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return new long[]{minTime, maxTime};
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}
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private String getQuerySql(long[] timeRange,int threadNumber,String table){
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long minTime = timeRange[0];
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long maxTime = timeRange[1];
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long diffTime = (maxTime - minTime) / ApplicationConfig.THREAD_POOL_NUMBER;
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long maxThreadTime = minTime + (threadNumber + 1)* diffTime;
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long minThreadTime = minTime + threadNumber * diffTime;
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return "FOR doc IN "+table+" filter doc.FIRST_FOUND_TIME >= "+minThreadTime+" and doc.FIRST_FOUND_TIME <= "+maxThreadTime+" RETURN doc";
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}
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}
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