Java tutorial
package com.alibaba.dubbo.rpc.benchmark; /** * nfs-rpc Apache License http://code.google.com/p/nfs-rpc (c) 2011 */ import java.util.ArrayList; import java.util.List; import java.util.concurrent.CountDownLatch; import java.util.concurrent.CyclicBarrier; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * Simple Processor RPC Benchmark Client Thread * * @author <a href="mailto:bluedavy@gmail.com">bluedavy</a> */ public class SimpleProcessorBenchmarkClientRunnable implements ClientRunnable { private static final Log LOGGER = LogFactory.getLog(SimpleProcessorBenchmarkClientRunnable.class); private int requestSize; private CyclicBarrier barrier; private CountDownLatch latch; private long endTime; private boolean running = true; private ExchangeClientFactory clientFactory = new ExchangeClientFactory(); private String targetIP; private int targetPort; private int clientNums; private int rpcTimeout; // response time spread private long[] responseSpreads = new long[9]; // error request per second private long[] errorTPS = null; // error response times per second private long[] errorResponseTimes = null; // tps per second private long[] tps = null; // response times per second private long[] responseTimes = null; // benchmark startTime private long startTime; // benchmark maxRange private int maxRange; public SimpleProcessorBenchmarkClientRunnable(String targetIP, int targetPort, int clientNums, int rpcTimeout, CyclicBarrier barrier, CountDownLatch latch, long startTime, long endTime) { this.targetIP = targetIP; this.targetPort = targetPort; this.clientNums = clientNums; this.rpcTimeout = rpcTimeout; this.barrier = barrier; this.latch = latch; this.startTime = startTime; this.endTime = endTime; maxRange = (Integer.parseInt(String.valueOf((endTime - startTime))) / 1000) + 1; errorTPS = new long[maxRange]; errorResponseTimes = new long[maxRange]; tps = new long[maxRange]; responseTimes = new long[maxRange]; // init for (int i = 0; i < maxRange; i++) { errorTPS[i] = 0; errorResponseTimes[i] = 0; tps[i] = 0; responseTimes[i] = 0; } } public void run() { try { barrier.await(); } catch (Exception e) { // IGNORE } runJavaAndHessian(); latch.countDown(); } private void runJavaAndHessian() { while (running) { Object requestObject = new RequestObject(requestSize); long beginTime = System.nanoTime(); if (beginTime >= endTime) { running = false; break; } try { Object response = null; response = clientFactory.get(targetIP, targetPort, rpcTimeout, clientNums).request(requestObject) .get(); long currentTime = System.nanoTime(); if (beginTime <= startTime) { continue; } long consumeTime = currentTime - beginTime; sumResponseTimeSpread(consumeTime); int range = Integer.parseInt(String.valueOf(beginTime - startTime)) / 1000; if (range >= maxRange) { System.err.println( "benchmark range exceeds maxRange,range is: " + range + ",maxRange is: " + maxRange); continue; } if (((ResponseObject) response).getBytes() != null) { tps[range] = tps[range] + 1; responseTimes[range] = responseTimes[range] + consumeTime; } else { LOGGER.error("server return response is null"); errorTPS[range] = errorTPS[range] + 1; errorResponseTimes[range] = errorResponseTimes[range] + consumeTime; } } catch (Exception e) { LOGGER.error("client.invokeSync error", e); long currentTime = System.nanoTime(); if (beginTime <= startTime) { continue; } long consumeTime = currentTime - beginTime; sumResponseTimeSpread(consumeTime); int range = Integer.parseInt(String.valueOf(beginTime - startTime)) / 1000; if (range >= maxRange) { System.err.println( "benchmark range exceeds maxRange,range is: " + range + ",maxRange is: " + maxRange); continue; } errorTPS[range] = errorTPS[range] + 1; errorResponseTimes[range] = errorResponseTimes[range] + consumeTime; } } } public List<long[]> getResults() { List<long[]> results = new ArrayList<long[]>(); results.add(responseSpreads); results.add(tps); results.add(responseTimes); results.add(errorTPS); results.add(errorResponseTimes); return results; } private void sumResponseTimeSpread(long responseTime) { responseTime = responseTime / 1000; if (responseTime <= 0) { responseSpreads[0] = responseSpreads[0] + 1; } else if (responseTime > 0 && responseTime <= 1) { responseSpreads[1] = responseSpreads[1] + 1; } else if (responseTime > 1 && responseTime <= 5) { responseSpreads[2] = responseSpreads[2] + 1; } else if (responseTime > 5 && responseTime <= 10) { responseSpreads[3] = responseSpreads[3] + 1; } else if (responseTime > 10 && responseTime <= 50) { responseSpreads[4] = responseSpreads[4] + 1; } else if (responseTime > 50 && responseTime <= 100) { responseSpreads[5] = responseSpreads[5] + 1; } else if (responseTime > 100 && responseTime <= 500) { responseSpreads[6] = responseSpreads[6] + 1; } else if (responseTime > 500 && responseTime <= 1000) { responseSpreads[7] = responseSpreads[7] + 1; } else if (responseTime > 1000) { responseSpreads[8] = responseSpreads[8] + 1; } } }