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1
22 package org.jboss.test.web.servlets;
23
24 import java.io.IOException  ;
25 import java.io.PrintWriter ;
26 import javax.naming.Context ;
27 import javax.naming.InitialContext ;
28 import javax.naming.NamingException ;
29 import javax.rmi.PortableRemoteObject ;
30 import javax.servlet.ServletConfig ;
31 import javax.servlet.ServletException ;
32 import javax.servlet.http.HttpServlet ;
33 import javax.servlet.http.HttpServletRequest ;
34 import javax.servlet.http.HttpServletResponse ;
35 import javax.sql.DataSource ;
36
37 import org.jboss.test.web.interfaces.ReferenceTest;
38 import org.jboss.test.web.interfaces.StatelessSession;
39 import org.jboss.test.web.interfaces.StatelessSessionHome;
40 import org.jboss.test.web.interfaces.StatelessSessionLocal;
41 import org.jboss.test.web.interfaces.StatelessSessionLocalHome;
42 import org.jboss.test.web.util.Util;
43
44
49 public class SpeedServlet extends HttpServlet
50 {
51 public static final int REPEATS = 10;
52 public static final int ITERATIONS = 100;
53
54 protected long[] runRemoteTest(StatelessSession bean, boolean optimized)
55 throws Exception
56 {
57 ReferenceTest test = new ReferenceTest();
58 long[] results = new long[REPEATS];
59 for (int loop = 0; loop < REPEATS; loop ++)
60 {
61 long start = System.currentTimeMillis();
62 for (int i = 0; i < ITERATIONS; i++)
63 bean.noop(test, optimized);
64 results[loop] = System.currentTimeMillis() - start;
65 }
66 return results;
67 }
68
69 protected void displayResults(PrintWriter out, long[] results)
70 throws IOException
71 {
72 long total = 0;
73 out.print("<table><tr>");
74 for (int i = 0; i < results.length; i++)
75 {
76 total += results[i];
77
78 out.print("<td>" + results[i] + " ms</td>");
79 }
80 out.println("</tr></table><br />");
81 out.println("Total time = " + total + " ms<br />");
82 out.println("Invocations = " + ITERATIONS * REPEATS);
83 float average = total * 1000;
84 average /= (ITERATIONS * REPEATS);
85 out.println("Average time= " + average + " micro-seconds<br />");
86 }
87
88 protected void processRequest(HttpServletRequest request, HttpServletResponse response)
89 throws ServletException , IOException
90 {
91 long[] optimized = null;
92 long[] notOptimized = null;
93 try
94 {
95 InitialContext ctx = new InitialContext ();
96 Context enc = (Context ) ctx.lookup("java:comp/env");
97 StatelessSessionHome home = (StatelessSessionHome) enc.lookup("ejb/OptimizedEJB");
98 StatelessSession bean = home.create();
99 optimized = runRemoteTest(bean, true);
100
101 home = (StatelessSessionHome) enc.lookup("ejb/NotOptimizedEJB");
102 bean = home.create();
103 notOptimized = runRemoteTest(bean, false);
104 }
105 catch(Exception e)
106 {
107 throw new ServletException ("Failed to run speed tests", e);
108 }
109 response.setContentType("text/html");
110 PrintWriter out = response.getWriter();
111 out.println("<html>");
112 out.println("<head><title>SpeedServlet</title></head>");
113 out.println("<body>");
114 out.println("Number of invocations=" + ITERATIONS + " repeated " + REPEATS + " times.<br />");
115 out.println("<h2>ejb/OptimizedEJB</h2>");
116 displayResults(out, optimized);
117 out.println("<h2>ejb/NotOptimizedEJB</h2>");
118 displayResults(out, notOptimized);
119 out.println("</body>");
120 out.println("</html>");
121 out.close();
122 }
123
124 protected void doGet(HttpServletRequest request, HttpServletResponse response)
125 throws ServletException , IOException
126 {
127 processRequest(request, response);
128 }
129
130 protected void doPost(HttpServletRequest request, HttpServletResponse response)
131 throws ServletException , IOException
132 {
133 processRequest(request, response);
134 }
135 }
136 |
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