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1
14 package org.wings.recorder;
15
16 import java.io.FileOutputStream  ;
17 import java.io.PrintStream ;
18 import java.util.Iterator ;
19 import java.util.LinkedList ;
20 import java.util.List ;
21
22 public class Simulator {
23 public static void main(String [] args) {
24 int index = 0;
25 boolean fail = false;
26
27 float delay = 1.0f;
28 String auth = "BASIC";
29 String userid = "user ";
30 String password = null;
31 int iterations = 1;
32 int ramp = 0;
33
34 try {
35 while (index < args.length) {
36 if ("-d".equals(args[index]) || "--delay".equals(args[index]))
37 delay = new Float (args[index + 1]).floatValue();
38 else if ("-a".equals(args[index]) || "--auth".equals(args[index]))
39 auth = args[index + 1];
40 else if ("-u".equals(args[index]) || "--userid".equals(args[index]))
41 userid = args[index + 1];
42 else if ("-p".equals(args[index]) || "--password".equals(args[index]))
43 password = args[index + 1];
44 else if ("-i".equals(args[index]) || "--iterations".equals(args[index]))
45 iterations = new Integer (args[index + 1]).intValue();
46 else if ("-r".equals(args[index]) || "--ramp".equals(args[index]))
47 ramp = new Integer (args[index + 1]).intValue();
48 else if ("-o".equals(args[index]) || "--output".equals(args[index]))
49 System.setOut(new PrintStream (new FileOutputStream (args[index + 1])));
50 else
51 break;
52
53 index += 2;
54 }
55 } catch (Exception e) { fail = true; }
56
57 if (fail || args.length < index + 2) {
58 printUsage();
59 System.exit(1);
60 }
61
62 String url = args[index];
63 String scriptClassName = args[index + 1];
64
65 int firstUser;
66 int lastUser;
67 int pos = args[index + 2].indexOf("-");
68 if (pos > -1) {
69 String a = args[index + 2].substring(0, pos);
70 String b = args[index + 2].substring(pos + 1);
71 firstUser = Integer.valueOf(a).intValue();
72 lastUser = Integer.valueOf(b).intValue();
73 } else {
74 firstUser = 1;
75 lastUser = Integer.valueOf(args[index + 2]).intValue();
76 }
77
78 try {
79 Class scriptClass = Class.forName(scriptClassName);
80
81 System.out.println("INFO: initializing clients for " +
82 userid + firstUser + " to " + userid + lastUser);
83 List clients = new LinkedList ();
84 for (int i = firstUser; i <= lastUser; i++) {
85 Script script = (Script) scriptClass.newInstance();
86 script.setUrl(url);
87 script.setDelay(delay);
88
89 Client client = new Client();
90 client.init(script);
91 client.setUserid(userid + i);
92 client.setPasswd(password);
93 client.setInitialDelay((i - firstUser) * ramp);
94 client.setIterations(iterations);
95 clients.add(client);
96 }
97
98 System.out.println("INFO: starting clients");
99 Iterator it = clients.iterator();
100 while (it.hasNext()) {
101 Client client = (Client) it.next();
102 client.start();
103 }
104 } catch (Exception e) {
105 System.err.println(e.getMessage());
106 e.printStackTrace(System.err);
107 }
108 }
109
110 protected static void printUsage() {
111 System.err.println("usage: simulator [options] url script_class user_range");
112 System.err.println("arguments:");
113 System.err.println(" url url of application client jar with deployment descriptors");
114 System.err.println(" script_class full qualified classname");
115 System.err.println(" user_range 1-'lastUser' or 'firstUser'-'lastUser'");
116 System.err.println("options:");
117 System.err.println(" -d, --delay [0..t] factor, that is applied to the recorded delays");
118 System.err.println(" 0.0 for no delays, 1.0 for same tempo as during recording (default)");
119 System.err.println(" -a, --auth the auth type, one of HTTP, JBoss (more to follow), defaults to HTTP");
120 System.err.println(" -u, --userid the base userid, to which firstUser .. lastUser will be appended, defaults to 'demo'");
121 System.err.println(" -p, --password the password for all users");
122 System.err.println(" -i, --iterations number of iterations a virtual user runs the script, defaults to 'start'");
123 System.err.println(" -r, --ramp load ramp, n'th client is started after n times the delay in ms, default is 0");
124 System.err.println(" -o, --output redirect output to a file");
125 }
126 }
127
128
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