Hi,大家好,我是编程小6,很荣幸遇见你,我把这些年在开发过程中遇到的问题或想法写出来,今天说一说
jmeter tcpclient classname_文本自定义,希望能够帮助你!!!。
JMeter提供纯TCP协议级别Sampler,如果你不觉得麻烦可以通过它来完成所有基于TCP协议的性能测试,这样一个万金油式的Sampler由于很少进入使用者的视野,因此,在实际使用中存在着许多隐藏特性和误解,本篇将对TCP Sampler使用中的一些特点进行讲解。
为了更好的理解TCP Sampler的使用,我们将构建一个Mock TCP Server用于测试,并根据不同的TCP Sampler类型和设置进行调整,以达到直观易懂的目的,一个典型的TCP Server代码参考如下:
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.ServerSocket; import java.net.Socket; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; public class TCPServer {
private int port = 10009; private ServerSocket serverSocket; private ExecutorService executorService; private final int POOL_SIZE = 20; public TCPServer() throws IOException {
serverSocket = new ServerSocket(port); executorService = Executors.newFixedThreadPool(Runtime.getRuntime() .availableProcessors() * POOL_SIZE); } public void service() {
while (true) {
Socket socket = null; try {
socket = serverSocket.accept(); executorService.execute(new Handler(socket)); } catch (Exception e) {
e.printStackTrace(); } } } public static void main(String[] args) throws IOException {
new TCPServer().service(); } } class Handler implements Runnable {
private Socket socket = null; public Handler(Socket socket) {
this.socket = socket; } private BufferedReader getReader(Socket socket) throws IOException {
InputStream in = socket.getInputStream(); return new BufferedReader(new InputStreamReader(in)); } public void run() {
BufferedReader br = null; PrintWriter out = null; System.out.println("New connection accepted " + socket.getInetAddress() + ":" + socket.getPort()); try {
br = getReader(socket); String recv = null; recv = br.readLine(); System.out.println(recv); out = new PrintWriter(socket.getOutputStream()); out.write("Hello Client\r\n"); out.flush(); } catch (IOException e) {
e.printStackTrace(); } finally {
try {
if (br != null) {
br.close(); } if (out != null) {
out.close(); }
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