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1
57
58 package org.apache.soap.util.net;
59
60 import java.net.*;
61 import java.io.*;
62 import java.awt.*;
63 import java.awt.event.*;
64
65
73 public class TcpTunnelGui extends Frame {
74 int listenPort;
75 String  tunnelHost;
76 int tunnelPort;
77 TextArea listenText, tunnelText;
78 Label status;
79 Relay inRelay, outRelay;
80
81 public TcpTunnelGui (int listenPort, String tunnelHost, int tunnelPort) {
82 Panel p;
83
84 this.listenPort = listenPort;
85 this.tunnelHost = tunnelHost;
86 this.tunnelPort = tunnelPort;
87
88 addWindowListener (new WindowAdapter () {
89 public void windowClosing (WindowEvent e) {
90 System.exit (0);
91 }
92 });
93
94 setTitle ("TCP Tunnel/Monitor: Tunneling localhost:" + listenPort +
96 " to " + tunnelHost + ":" + tunnelPort);
97
98 p = new Panel ();
100 p.setLayout (new BorderLayout ());
101 Label l1, l2;
102 p.add ("West",
103 l1 = new Label ("From localhost:" + listenPort, Label.CENTER));
104 p.add ("East",
105 l2 = new Label ("From " + tunnelHost + ":" + tunnelPort,
106 Label.CENTER));
107 add ("North", p);
108
109 p = new Panel ();
111 p.setLayout (new GridLayout (-1,2));
112 p.add (listenText = new TextArea ());
113 p.add (tunnelText = new TextArea ());
114 add ("Center", p);
115
116 Panel p2 = new Panel ();
118 p2.setLayout (new BorderLayout ());
119
120 p = new Panel ();
121 Button b = new Button ("Clear");
122 b.addActionListener (new ActionListener () {
123 public void actionPerformed (ActionEvent e) {
124 listenText.setText ("");
125 tunnelText.setText ("");
126 }
127 });
128 p.add (b);
129 p2.add ("Center", p);
130
131 p2.add ("South", status = new Label ());
132 add ("South", p2);
133
134 pack ();
135 show ();
136
137 Font f = l1.getFont ();
138 l1.setFont (new Font (f.getName (), Font.BOLD, f.getSize ()));
139 l2.setFont (new Font (f.getName (), Font.BOLD, f.getSize ()));
140 }
141
142 public int getListenPort () {
143 return listenPort;
144 }
145
146 public String getTunnelHost () {
147 return tunnelHost;
148 }
149
150 public int getTunnelPort () {
151 return tunnelPort;
152 }
153
154 public TextArea getListenText () {
155 return listenText;
156 }
157
158 public TextArea getTunnelText () {
159 return tunnelText;
160 }
161
162 public Label getStatus () {
163 return status;
164 }
165
166 public static void main (String args[]) throws IOException {
167 if (args.length != 3) {
168 System.err.println ("Usage: java TcpTunnelGui listenport tunnelhost " +
169 "tunnelport");
170 System.exit (1);
171 }
172
173 int listenPort = Integer.parseInt (args[0]);
174 String tunnelHost = args[1];
175 int tunnelPort = Integer.parseInt (args[2]);
176 final TcpTunnelGui ttg =
177 new TcpTunnelGui (listenPort, tunnelHost, tunnelPort);
178
179 Thread server = new Thread () {
181 public void run () {
182 ServerSocket ss = null;
183 Label status = ttg.getStatus ();
184 try {
185 ss = new ServerSocket (ttg.getListenPort ());
186 } catch (Exception e) {
187 e.printStackTrace ();
188 System.exit (1);
189 }
190 while (true) {
191 try {
192 status.setText ("Listening for connections on port " +
193 ttg.getListenPort () + " ...");
194 Socket sc = ss.accept ();
196
197 Socket st = new Socket (ttg.getTunnelHost (),
199 ttg.getTunnelPort ());
200
201 status.setText ("Tunnelling port " + ttg.getListenPort () +
202 " to port " + ttg.getTunnelPort () +
203 " on host " + ttg.getTunnelHost () + " ...");
204
205 new Relay (sc.getInputStream (), st.getOutputStream (),
207 ttg.getListenText ()).start ();
208 new Relay (st.getInputStream (), sc.getOutputStream (),
209 ttg.getTunnelText ()).start ();
210
211 } catch (Exception ee) {
213 status.setText ("Ouch! [See console for details]: " +
214 ee.getMessage ());
215 ee.printStackTrace ();
216 }
217 }
218 }
219 };
220 server.start ();
221 }
222 }
223 |
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