Mercurial > 510Connectbot
comparison app/src/main/java/com/five_ten_sg/connectbot/transport/TN5250.java @ 438:d29cce60f393
migrate from Eclipse to Android Studio
author | Carl Byington <carl@five-ten-sg.com> |
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date | Thu, 03 Dec 2015 11:23:55 -0800 |
parents | src/com/five_ten_sg/connectbot/transport/TN5250.java@071eccdff8ea |
children | f698820bffdf |
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437:208b31032318 | 438:d29cce60f393 |
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1 /* | |
2 * 510ConnectBot | |
3 * Copyright 2014 Carl Byington | |
4 * | |
5 * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 * you may not use this file except in compliance with the License. | |
7 * You may obtain a copy of the License at | |
8 * | |
9 * http://www.apache.org/licenses/LICENSE-2.0 | |
10 * | |
11 * Unless required by applicable law or agreed to in writing, software | |
12 * distributed under the License is distributed on an "AS IS" BASIS, | |
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 * See the License for the specific language governing permissions and | |
15 * limitations under the License. | |
16 */ | |
17 | |
18 package com.five_ten_sg.connectbot.transport; | |
19 | |
20 import java.io.IOException; | |
21 import java.io.InputStream; | |
22 import java.io.OutputStream; | |
23 import java.net.Socket; | |
24 import java.net.SocketException; | |
25 import java.net.UnknownHostException; | |
26 import java.util.HashMap; | |
27 import java.util.List; | |
28 import java.util.Map; | |
29 import java.util.regex.Matcher; | |
30 import java.util.regex.Pattern; | |
31 | |
32 import org.tn5250j.framework.tn5250.Screen5250; | |
33 import org.tn5250j.framework.tn5250.tnvt; | |
34 | |
35 import com.five_ten_sg.connectbot.R; | |
36 import com.five_ten_sg.connectbot.bean.HostBean; | |
37 import com.five_ten_sg.connectbot.bean.PortForwardBean; | |
38 import com.five_ten_sg.connectbot.service.TerminalBridge; | |
39 import com.five_ten_sg.connectbot.service.TerminalKeyListener; | |
40 import com.five_ten_sg.connectbot.service.TerminalManager; | |
41 import com.five_ten_sg.connectbot.util.HostDatabase; | |
42 import com.five_ten_sg.connectbot.util.PreferenceConstants; | |
43 import android.content.Context; | |
44 import android.net.Uri; | |
45 import android.util.Log; | |
46 import android.view.KeyCharacterMap; | |
47 import android.view.KeyEvent; | |
48 import android.view.View; | |
49 import de.mud.terminal.vt320; | |
50 | |
51 | |
52 /** | |
53 * @author Carl Byington | |
54 * | |
55 */ | |
56 public class TN5250 extends AbsTransport { | |
57 private static final String PROTOCOL = "tn5250"; | |
58 private static final String TAG = "ConnectBot.tn5250"; | |
59 private static final int DEFAULT_PORT = 23; | |
60 | |
61 private Screen5250 screen52; | |
62 private tnvt handler = null; | |
63 private Socket socket; | |
64 private boolean connected = false; | |
65 | |
66 static final Pattern hostmask; | |
67 static { | |
68 hostmask = Pattern.compile("^([0-9a-z.-]+)(:(\\d+))?$", Pattern.CASE_INSENSITIVE); | |
69 } | |
70 | |
71 | |
72 class vt320x5250 extends vt320 { | |
73 private HashMap<Integer, Integer> controls; | |
74 private HashMap<Integer, String> mnemonics; | |
75 | |
76 public vt320x5250() { | |
77 this(80, 24); | |
78 } | |
79 | |
80 public vt320x5250(int width, int height) { | |
81 super(width, height); | |
82 controls = new HashMap<Integer, Integer>(); | |
83 controls.put(0x01, KEY_PAUSE); // ctrl-a -> [attn] | |
84 controls.put(0x08, KEY_BACK_SPACE); | |
85 controls.put(0x09, KEY_TAB); | |
86 controls.put(0x0d, KEY_ENTER); | |
87 controls.put(0x12, KEY_ESCAPE); // ctrl-r -> [reset] | |
88 controls.put(0x13, KEY_SYSREQ); // ctrl-s -> [sysreq] | |
89 controls.put(0x1b, KEY_ESCAPE); // esc -> [reset] | |
90 mnemonics = new HashMap<Integer, String>(); | |
91 mnemonics.put(KEY_PAUSE , "[attn]"); | |
92 mnemonics.put(KEY_F1 , "[pf1]"); | |
93 mnemonics.put(KEY_F2 , "[pf2]"); | |
94 mnemonics.put(KEY_F3 , "[pf3]"); | |
95 mnemonics.put(KEY_F4 , "[pf4]"); | |
96 mnemonics.put(KEY_F5 , "[pf5]"); | |
97 mnemonics.put(KEY_F6 , "[pf6]"); | |
98 mnemonics.put(KEY_F7 , "[pf7]"); | |
99 mnemonics.put(KEY_F8 , "[pf8]"); | |
100 mnemonics.put(KEY_F9 , "[pf9]"); | |
101 mnemonics.put(KEY_F10 , "[pf10]"); | |
102 mnemonics.put(KEY_F11 , "[pf11]"); | |
103 mnemonics.put(KEY_F12 , "[pf12]"); | |
104 mnemonics.put(KEY_F13 , "[pf13]"); | |
105 mnemonics.put(KEY_F14 , "[pf14]"); | |
106 mnemonics.put(KEY_F15 , "[pf15]"); | |
107 mnemonics.put(KEY_F16 , "[pf16]"); | |
108 mnemonics.put(KEY_F17 , "[pf17]"); | |
109 mnemonics.put(KEY_F18 , "[pf18]"); | |
110 mnemonics.put(KEY_F19 , "[pf19]"); | |
111 mnemonics.put(KEY_F20 , "[pf20]"); | |
112 mnemonics.put(KEY_F21 , "[pf21]"); | |
113 mnemonics.put(KEY_F22 , "[pf22]"); | |
114 mnemonics.put(KEY_F23 , "[pf23]"); | |
115 mnemonics.put(KEY_F24 , "[pf24]"); | |
116 mnemonics.put(KEY_UP , "[up]"); | |
117 mnemonics.put(KEY_DOWN , "[down]"); | |
118 mnemonics.put(KEY_LEFT , "[left]"); | |
119 mnemonics.put(KEY_RIGHT , "[right]"); | |
120 mnemonics.put(KEY_PAGE_DOWN , "[pgdown]"); | |
121 mnemonics.put(KEY_PAGE_UP , "[pgup]"); | |
122 mnemonics.put(KEY_INSERT , "[insert]"); | |
123 mnemonics.put(KEY_DELETE , "[delete]"); | |
124 mnemonics.put(KEY_BACK_SPACE , "[backspace]"); | |
125 mnemonics.put(KEY_HOME , "[home]"); | |
126 mnemonics.put(KEY_END , "[end]"); | |
127 mnemonics.put(KEY_NUM_LOCK , ""); | |
128 mnemonics.put(KEY_CAPS_LOCK , ""); | |
129 mnemonics.put(KEY_SHIFT , ""); | |
130 mnemonics.put(KEY_CONTROL , ""); | |
131 mnemonics.put(KEY_ALT , ""); | |
132 mnemonics.put(KEY_ENTER , "[enter]"); | |
133 mnemonics.put(KEY_NUMPAD0 , "0"); | |
134 mnemonics.put(KEY_NUMPAD1 , "1"); | |
135 mnemonics.put(KEY_NUMPAD2 , "2"); | |
136 mnemonics.put(KEY_NUMPAD3 , "3"); | |
137 mnemonics.put(KEY_NUMPAD4 , "4"); | |
138 mnemonics.put(KEY_NUMPAD5 , "5"); | |
139 mnemonics.put(KEY_NUMPAD6 , "6"); | |
140 mnemonics.put(KEY_NUMPAD7 , "7"); | |
141 mnemonics.put(KEY_NUMPAD8 , "8"); | |
142 mnemonics.put(KEY_NUMPAD9 , "9"); | |
143 mnemonics.put(KEY_DECIMAL , "."); | |
144 mnemonics.put(KEY_ADD , "+"); | |
145 mnemonics.put(KEY_ESCAPE , "[reset]"); | |
146 mnemonics.put(KEY_TAB , "[tab]"); | |
147 mnemonics.put(KEY_SYSREQ , "[sysreq]"); | |
148 } | |
149 | |
150 @Override | |
151 public void debug(String s) { | |
152 Log.d(TAG, s); | |
153 } | |
154 | |
155 // monitor injecting a field | |
156 @Override | |
157 public void setField(int l, int c, char [] data) { | |
158 screen52.setField(l, c, data); | |
159 } | |
160 | |
161 // monitor simulating key depress | |
162 @Override | |
163 public void keyDepressed(int keyCode, char keyChar, int modifiers) { | |
164 if (mnemonics.containsKey(keyCode)) { | |
165 String s = mnemonics.get(keyCode); | |
166 | |
167 if (s != "") screen52.sendKeys(s); | |
168 } | |
169 } | |
170 | |
171 // terminal key listener found special key, send notification to monitor | |
172 @Override | |
173 public void monitorKey(boolean down) { | |
174 if (bridge.monitor != null) bridge.monitor.keyState(down); | |
175 } | |
176 | |
177 // terminal key listener sending to local screen | |
178 @Override | |
179 public void write(byte[] b) { | |
180 screen52.sendKeys(new String(b)); | |
181 | |
182 if (bridge.monitor != null) bridge.monitor.testMoved(); | |
183 } | |
184 @Override | |
185 public void write(int b) { | |
186 if (controls.containsKey(b)) keyPressed(controls.get(b), ' ', 0); | |
187 else screen52.sendKeys(new String(new byte[] {(byte)b})); | |
188 | |
189 if (bridge.monitor != null) bridge.monitor.testMoved(); | |
190 } | |
191 @Override | |
192 public void keyPressed(int keyCode, char keyChar, int modifiers) { | |
193 keyDepressed(keyCode, keyChar, modifiers); | |
194 | |
195 if (bridge.monitor != null) bridge.monitor.testMoved(); | |
196 } | |
197 | |
198 // 5250 writing to the screen | |
199 // test for changed screen contents | |
200 @Override | |
201 public void testChanged() { | |
202 if (bridge.monitor != null) bridge.monitor.testChanged(); | |
203 } | |
204 @Override | |
205 public void putChar(int c, int l, char ch, int attributes) { | |
206 if (bridge.monitor != null) bridge.monitor.screenChanged(l, c); | |
207 | |
208 super.putChar(c, l, ch, attributes); | |
209 } | |
210 @Override | |
211 public void setCursorPosition(int c, int l) { | |
212 if (bridge.monitor != null) bridge.monitor.cursorMove(l, c); | |
213 | |
214 super.setCursorPosition(c, l); | |
215 redraw(); | |
216 } | |
217 }; | |
218 | |
219 | |
220 public TN5250() { | |
221 super(); | |
222 } | |
223 | |
224 | |
225 /** | |
226 * @return protocol part of the URI | |
227 */ | |
228 public static String getProtocolName() { | |
229 return PROTOCOL; | |
230 } | |
231 | |
232 | |
233 /** | |
234 * Encode the current transport into a URI that can be passed via intent calls. | |
235 * @return URI to host | |
236 */ | |
237 public Uri getUri(String input) { | |
238 Matcher matcher = hostmask.matcher(input); | |
239 | |
240 if (!matcher.matches()) | |
241 return null; | |
242 | |
243 StringBuilder sb = new StringBuilder(); | |
244 sb.append(PROTOCOL) | |
245 .append("://") | |
246 .append(matcher.group(1)); | |
247 String portString = matcher.group(3); | |
248 int port = DEFAULT_PORT; | |
249 | |
250 if (portString != null) { | |
251 try { | |
252 port = Integer.parseInt(portString); | |
253 | |
254 if (port < 1 || port > 65535) { | |
255 port = DEFAULT_PORT; | |
256 } | |
257 } | |
258 catch (NumberFormatException nfe) { | |
259 // Keep the default port | |
260 } | |
261 } | |
262 | |
263 if (port != DEFAULT_PORT) { | |
264 sb.append(':'); | |
265 sb.append(port); | |
266 } | |
267 | |
268 sb.append("/#") | |
269 .append(Uri.encode(input)); | |
270 Uri uri = Uri.parse(sb.toString()); | |
271 return uri; | |
272 } | |
273 | |
274 | |
275 /** | |
276 * Causes transport to connect to the target host. After connecting but before a | |
277 * session is started, must call back to {@link TerminalBridge#onConnected()}. | |
278 * After that call a session may be opened. | |
279 */ | |
280 @Override | |
281 public void connect() { | |
282 screen52 = new Screen5250(); | |
283 handler = new tnvt(screen52, true, true, bridge, manager); | |
284 screen52.setVT(handler); | |
285 screen52.setBuffer(buffer); | |
286 bridge.addFontSizeChangedListener(screen52); | |
287 connected = handler.connect(host, homeDirectory, buffer); | |
288 | |
289 if (connected) bridge.onConnected(); | |
290 } | |
291 | |
292 | |
293 /** | |
294 * Checks if read() will block. If there are no bytes remaining in | |
295 * the underlying transport, return true. | |
296 */ | |
297 @Override | |
298 public boolean willBlock() { | |
299 // we don't use a relay thread between the transport and the vt320 buffer | |
300 return true; | |
301 } | |
302 | |
303 | |
304 /** | |
305 * Reads from the transport. Transport must support reading into a byte array | |
306 * <code>buffer</code> at the start of <code>offset</code> and a maximum of | |
307 * <code>length</code> bytes. If the remote host disconnects, throw an | |
308 * {@link IOException}. | |
309 * @param buffer byte buffer to store read bytes into | |
310 * @param offset where to start writing in the buffer | |
311 * @param length maximum number of bytes to read | |
312 * @return number of bytes read | |
313 * @throws IOException when remote host disconnects | |
314 */ | |
315 public int read(byte[] buffer, int offset, int length) throws IOException { | |
316 // we don't use a relay thread between the transport and the vt320 buffer | |
317 return 0; | |
318 } | |
319 | |
320 | |
321 /** | |
322 * Writes to the transport. If the host is not yet connected, simply return without | |
323 * doing anything. An {@link IOException} should be thrown if there is an error after | |
324 * connection. | |
325 * @param buffer bytes to write to transport | |
326 * @throws IOException when there is a problem writing after connection | |
327 */ | |
328 public void write(byte[] buffer) throws IOException { | |
329 } | |
330 | |
331 | |
332 /** | |
333 * Writes to the transport. See {@link #write(byte[])} for behavior details. | |
334 * @param c character to write to the transport | |
335 * @throws IOException when there is a problem writing after connection | |
336 */ | |
337 public void write(int c) throws IOException { | |
338 } | |
339 | |
340 | |
341 /** | |
342 * Flushes the write commands to the transport. | |
343 * @throws IOException when there is a problem writing after connection | |
344 */ | |
345 public void flush() throws IOException { | |
346 } | |
347 | |
348 | |
349 /** | |
350 * Closes the connection to the terminal. | |
351 */ | |
352 public void close() { | |
353 handler.disconnect(); | |
354 connected = false; | |
355 bridge.removeFontSizeChangedListener(screen52); | |
356 bridge.dispatchDisconnect(false); | |
357 } | |
358 | |
359 | |
360 /** | |
361 * Tells the transport what dimensions the display is currently | |
362 * @param columns columns of text | |
363 * @param rows rows of text | |
364 * @param width width in pixels | |
365 * @param height height in pixels | |
366 */ | |
367 @Override | |
368 public void setDimensions(int columns, int rows, int width, int height) { | |
369 // do nothing | |
370 } | |
371 | |
372 | |
373 @Override | |
374 public vt320 getTransportBuffer() { | |
375 buffer = new vt320x5250(); | |
376 return setupTransportBuffer(); | |
377 } | |
378 | |
379 | |
380 @Override | |
381 public int getDefaultPort() { | |
382 return DEFAULT_PORT; | |
383 } | |
384 | |
385 | |
386 @Override | |
387 public boolean isConnected() { | |
388 return connected; | |
389 } | |
390 | |
391 | |
392 @Override | |
393 public boolean isSessionOpen() { | |
394 return connected; | |
395 } | |
396 | |
397 | |
398 @Override | |
399 public boolean isAuthenticated() { | |
400 return connected; | |
401 } | |
402 | |
403 | |
404 @Override | |
405 public String getDefaultNickname(String username, String hostname, int port) { | |
406 if (port == DEFAULT_PORT) { | |
407 return String.format("%s", hostname); | |
408 } | |
409 else { | |
410 return String.format("%s:%d", hostname, port); | |
411 } | |
412 } | |
413 | |
414 | |
415 @Override | |
416 public void getSelectionArgs(Uri uri, Map<String, String> selection) { | |
417 selection.put(HostDatabase.FIELD_HOST_PROTOCOL, PROTOCOL); | |
418 selection.put(HostDatabase.FIELD_HOST_NICKNAME, uri.getFragment()); | |
419 selection.put(HostDatabase.FIELD_HOST_HOSTNAME, uri.getHost()); | |
420 int port = uri.getPort(); | |
421 | |
422 if (port < 0) port = DEFAULT_PORT; | |
423 | |
424 selection.put(HostDatabase.FIELD_HOST_PORT, Integer.toString(port)); | |
425 } | |
426 | |
427 | |
428 @Override | |
429 public HostBean createHost(Uri uri) { | |
430 HostBean host = new HostBean(); | |
431 host.setProtocol(PROTOCOL); | |
432 host.setHostname(uri.getHost()); | |
433 int port = uri.getPort(); | |
434 | |
435 if (port < 0) port = DEFAULT_PORT; | |
436 | |
437 host.setPort(port); | |
438 String nickname = uri.getFragment(); | |
439 | |
440 if (nickname == null || nickname.length() == 0) { | |
441 nickname = getDefaultNickname(host.getUsername(), host.getHostname(), host.getPort()); | |
442 } | |
443 | |
444 host.setNickname(nickname); | |
445 return host; | |
446 } | |
447 | |
448 | |
449 public String getFormatHint(Context context) { | |
450 return String.format("%s:%s", | |
451 context.getString(R.string.format_hostname), | |
452 context.getString(R.string.format_port)); | |
453 } | |
454 | |
455 | |
456 @Override | |
457 public boolean usesNetwork() { | |
458 return true; | |
459 } | |
460 | |
461 | |
462 @Override | |
463 public boolean needsRelay() { | |
464 // we don't use a relay thread between the transport and the vt320 buffer | |
465 return false; | |
466 } | |
467 | |
468 public TerminalKeyListener getTerminalKeyListener() { | |
469 return new TerminalKeyListener(manager, bridge, buffer, host.getEncoding()); | |
470 } | |
471 | |
472 } |