LoadRunner有Windows Sockets协议用于支持Socket程序的测试脚本开发,但是有时候会录制不了或录制不全Socket脚本,而且Socket脚本的修改和参数化等方面都比较困难。
以J2ME Wireless Toolkit 2.0附带的NetworkDemo程序中的Socket Demo为例,用LoadRunner录制下来的脚本如下所示: /********************************************************************* * Created by Mercury Interactive Windows Sockets Recorder * * Created on: Wed Feb 24 13:35:17 *********************************************************************/
#include "lrs.h"
Action() { lrs_create_socket("socket0", "TCP", "LocalHost=0", "Backlog=50", LrsLastArg);
lrs_create_socket("socket1", "TCP", "LocalHost=2663", "Backlog=50", LrsLastArg);
lrs_create_socket("socket2", "TCP", "RemoteHost=192.168.1.100:57328", LrsLastArg);
lrs_send("socket2", "buf0", LrsLastArg);
lrs_receive("socket2", "buf1", LrsLastArg);
lrs_close_socket("socket2");
lr_think_time(13);
lrs_create_socket("socket3", "TCP", "LocalHost=0", "Backlog=50", LrsLastArg);
lrs_create_socket("socket4", "TCP", "LocalHost=2669", "Backlog=50", LrsLastArg);
lrs_create_socket("socket5", "TCP", "LocalHost=0", "Backlog=50", LrsLastArg);
lrs_create_socket("socket6", "TCP", "LocalHost=2670", "Backlog=50", LrsLastArg);
lrs_create_socket("socket7", "TCP", "RemoteHost=192.168.1.100:57328", LrsLastArg);
lrs_send("socket7", "buf2", LrsLastArg);
lrs_receive("socket7", "buf3", LrsLastArg);
lrs_close_socket("socket7");
lrs_create_socket("socket8", "TCP", "RemoteHost=192.168.1.100:57328", LrsLastArg);
lrs_send("socket8", "buf4", LrsLastArg);
lrs_receive("socket8", "buf5", LrsLastArg);
lrs_send("socket8", "buf6", LrsLastArg);
lrs_receive("socket8", "buf7", LrsLastArg);
lrs_send("socket8", "buf8", LrsLastArg);
lrs_create_socket("socket9", "TCP", "LocalHost=0", "Backlog=50", LrsLastArg);
lrs_create_socket("socket10", "TCP", "LocalHost=2675", "Backlog=50", LrsLastArg);
/* * 发送消息 */
return 0; }
发送和接收的Socket包数据可以在data.ws文件中找到,Socket Demo的客户端发送消息的操作并没有录制下来。
转变一下思路,可以采用Java Vuser来开发Java的Socket脚本,直接连接Socket Demo的服务器端并发送消息:
/* * LoadRunner Java script. (Build: 3020) * * Script Description: * */
import lrapi.lr;
import java.io.*; import java.net.*;
public class Actions {
Socket socket; BufferedReader in; PrintWriter out;
public int init() throws Throwable {
try { socket = new Socket("127.0.0.1", 5000);
} catch (IOException e){}
return 0; }//end of init
public int action() throws Throwable {
try {
in = new BufferedReader(new InputStreamReader(socket.getInputStream())); //lr.output_message(in.readLine()); out = new PrintWriter(socket.getOutputStream(),true); out.println("World!"); //lr.output_message(in.readLine()); } catch (IOException e){}
return 0; }//end of action
public int end() throws Throwable {
try { out.close(); in.close(); socket.close(); } catch (IOException e){}
return 0; }//end of end }
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