|
414
|
1 package test.editortest;
|
|
|
2
|
|
|
3 import java.io.IOException;
|
|
|
4 import java.net.InetSocketAddress;
|
|
|
5 import java.nio.channels.SelectionKey;
|
|
|
6 import java.util.LinkedList;
|
|
|
7 import java.util.List;
|
|
|
8
|
|
|
9 import rep.REP;
|
|
|
10 import rep.REPCommand;
|
|
|
11 import rep.REPCommandPacker;
|
|
|
12 import rep.SessionManager;
|
|
|
13 import rep.channel.REPLogger;
|
|
|
14 import rep.channel.REPSelectionKey;
|
|
|
15 import rep.channel.REPSelector;
|
|
|
16 import rep.channel.REPSocketChannel;
|
|
|
17 import test.Text;
|
|
|
18
|
|
|
19
|
|
|
20 /**
|
|
|
21 * @author kono
|
|
|
22 * Basic Remote Editor client implementation
|
|
|
23 * should support multi-session
|
|
|
24 * currently multi-session requires new channel, that is
|
|
|
25 * only one session for this editor.
|
|
|
26 */
|
|
|
27 public class TestEditor2 extends Thread{
|
|
|
28 private InetSocketAddress semaIP;
|
|
|
29 private REPLogger ns;
|
|
|
30 private int seq = 0;
|
|
|
31 public Text text;
|
|
|
32 public LinkedList<REPCommand> cmds;
|
|
|
33 private int eid = 0;
|
|
|
34 private int sid = 0;
|
|
|
35 REPSocketChannel<REPCommand> channel;
|
|
|
36 REPCommand nop = new REPCommand(REP.REPCMD_NOP, 0, 0, 0, 0, "");
|
|
|
37 boolean running = true;
|
|
|
38 long timeout = 1;
|
|
|
39 private String name;
|
|
|
40 private boolean inputLock=false;
|
|
|
41 public boolean detached=false;
|
|
|
42 public boolean master=false;
|
|
|
43 REPCommand quit=null;
|
|
|
44 private int syncCounter=0;
|
|
|
45 private boolean hasInputLock=false;
|
|
|
46 private int port;
|
|
|
47 private REPSelector<REPCommand> selector;
|
|
|
48 private boolean syncEnable=true;
|
|
|
49 private LogTarget logTarget;
|
|
|
50 private REPText repText;
|
|
|
51 private REPSimpleEditor simpleEditor;
|
|
|
52
|
|
|
53
|
|
|
54 public TestEditor2(String name, String _host,int _port, boolean master){
|
|
|
55 super(name);
|
|
|
56 LinkedList<REPCommand>cmdList = new LinkedList<REPCommand>();
|
|
|
57 String[] txts = {
|
|
|
58 "aaa", "bbb", // "ccc", "ddd", "eee",
|
|
|
59 };
|
|
|
60 port = _port;
|
|
|
61 semaIP = new InetSocketAddress(_host, _port);
|
|
|
62 ns = REPLogger.singleton();
|
|
|
63 this.name = name;
|
|
|
64 cmds = cmdList;
|
|
|
65 if (master) {
|
|
|
66 this.master=true;
|
|
|
67 text = new Text(txts);
|
|
|
68 cmds.add(new REPCommand(REP.SMCMD_PUT,0,0,0,0,name+"-file"));
|
|
|
69 cmds.add(new REPCommand(REP.REPCMD_INSERT_USER,0,0,0,0,"m0"));
|
|
|
70 cmds.add(new REPCommand(REP.REPCMD_DELETE_USER,0,0,0,0,"m0"));
|
|
|
71 cmds.add(new REPCommand(REP.SMCMD_QUIT,0,0,0,0,""));
|
|
|
72 } else {
|
|
|
73 text = new Text(new String[0]);
|
|
|
74 cmds.add(new REPCommand(REP.SMCMD_JOIN,0,0,0,0,name));
|
|
|
75 cmds.add(new REPCommand(REP.REPCMD_INSERT_USER,0,0,0,0,"c0"));
|
|
|
76 cmds.add(new REPCommand(REP.REPCMD_DELETE_USER,0,0,0,0,"c0"));
|
|
|
77 }
|
|
|
78
|
|
|
79 simpleEditor = new REPSimpleEditor();
|
|
|
80 simpleEditor.setDefaultCloseOperation(REPSimpleEditor.EXIT_ON_CLOSE);
|
|
|
81 simpleEditor.setVisible(true);
|
|
|
82 simpleEditor.setText(text);
|
|
|
83 repText = simpleEditor.getREPText();
|
|
|
84 logTarget = simpleEditor;
|
|
|
85 }
|
|
|
86
|
|
|
87 public TestEditor2(String name, String _host,int _port, boolean master,
|
|
|
88 String[] txts,LinkedList<REPCommand> cmdList){
|
|
|
89 super(name);
|
|
|
90 port = _port;
|
|
|
91 semaIP = new InetSocketAddress(_host, _port);
|
|
|
92 ns = REPLogger.singleton();
|
|
|
93 this.name = name;
|
|
|
94 cmds = cmdList;
|
|
|
95 if (master) {
|
|
|
96 this.master=true;
|
|
|
97 text = new Text(txts);
|
|
|
98 } else {
|
|
|
99 text = new Text(new String[0]);
|
|
|
100 }
|
|
|
101 }
|
|
|
102
|
|
|
103 public void run(){
|
|
|
104 /*
|
|
|
105 * Create Socket and connect to the session manager
|
|
|
106 */
|
|
|
107 try {
|
|
|
108 channel = REPSocketChannel.<REPCommand>create(new REPCommandPacker());
|
|
|
109 } catch (IOException e) { return; }
|
|
|
110
|
|
|
111 ns.writeLog("try to connect to SessionManager whose ip is "+semaIP+" "+name, 1);
|
|
|
112 try {
|
|
|
113 while (!channel.connect(semaIP)){
|
|
|
114 ns.writeLog("SeMa not listen to socket yet, wait", 1);
|
|
|
115 }
|
|
|
116 } catch (IOException e) { return; }
|
|
|
117 ns.writeLog("successes to connect "+name);
|
|
|
118 /*
|
|
|
119 * Start editor main loop
|
|
|
120 * public REPCommand(REP cmd,int sid,int eid, int seq, int lineno, String string)
|
|
|
121 */
|
|
|
122 try {
|
|
|
123 mainloop();
|
|
|
124 } catch (IOException e) {
|
|
|
125 }
|
|
|
126 }
|
|
|
127
|
|
|
128 /*
|
|
|
129 * Editor main loop with input lock
|
|
|
130 */
|
|
|
131 private void mainloop() throws IOException {
|
|
|
132
|
|
|
133 channel.configureBlocking(false);
|
|
|
134 REPSelector<REPCommand> selector = REPSelector.create();
|
|
|
135 channel.register(selector, SelectionKey.OP_READ);
|
|
|
136 this.selector = selector;
|
|
|
137 while(running) {
|
|
|
138 if (inputLock) {
|
|
|
139 // No user input during merge mode (optional)
|
|
|
140 if (selector.select(0)>0) {
|
|
|
141 handle(channel.read());
|
|
|
142 }
|
|
|
143 continue;
|
|
|
144 } else if (selector.select(timeout)<=0) {
|
|
|
145 if (syncCounter>0) {
|
|
|
146 syncText(); // send the master editor buffer to clients.
|
|
|
147 }
|
|
|
148 userInput();
|
|
|
149 }
|
|
|
150 // selector(timeout) returns 0, but it may contain readable channel..
|
|
|
151 for(REPSelectionKey<REPCommand> key : selector.selectedKeys1()) {
|
|
|
152 REPSocketChannel<REPCommand> ch = key.channel1();
|
|
|
153 handle(ch.read());
|
|
|
154 }
|
|
|
155 }
|
|
|
156 }
|
|
|
157
|
|
|
158 private void syncText() {
|
|
|
159 /*
|
|
|
160 * Send delete/insert one at a time to synchronize
|
|
|
161 * all clients. SYNC is requested by the session manager.
|
|
|
162 */
|
|
|
163 if (syncCounter>text.size()) {
|
|
|
164 SessionManager.logger.writeLog("Sync Completed.");
|
|
|
165 syncCounter=0;
|
|
|
166 } else {
|
|
|
167 if (inputLock) return;
|
|
|
168 int i=syncCounter-1;
|
|
|
169 REPCommand del = new REPCommand(REP.REPCMD_DELETE_USER,sid,eid,0,i, text.get(i));
|
|
|
170 REPCommand ins = new REPCommand(REP.REPCMD_INSERT_USER,sid,eid,0,i, text.get(i));
|
|
|
171 sendCommand(del);
|
|
|
172 sendCommand(ins);
|
|
|
173 syncCounter++;
|
|
|
174 }
|
|
|
175 }
|
|
|
176
|
|
|
177 /*
|
|
|
178 * Simulate User Input
|
|
|
179 */
|
|
|
180 private void userInput() {
|
|
|
181 REPCommand cmd = cmds.poll();
|
|
|
182 if (cmd!=null) {
|
|
|
183 switch(cmd.cmd) {
|
|
|
184 case REPCMD_INSERT_USER:
|
|
|
185 text.insert(cmd.lineno, cmd.string);
|
|
|
186 repText.insert(cmd.lineno, cmd.string);
|
|
|
187 sendCommand(cmd);
|
|
|
188 break;
|
|
|
189 case REPCMD_DELETE_USER:
|
|
|
190 String del = text.delete(cmd.lineno);
|
|
|
191 del = repText.delete(cmd.lineno, cmd.string);
|
|
|
192 cmd.setString(del);
|
|
|
193 sendCommand(cmd);
|
|
|
194 break;
|
|
|
195 case SMCMD_QUIT:
|
|
|
196 /*
|
|
|
197 * start termination phase 1 by the master editor.
|
|
|
198 * after this command do not send any user input.
|
|
|
199 * clients simply disconnect from the session manager.
|
|
|
200 */
|
|
|
201 cmds.clear();
|
|
|
202 cmd.eid = -1;
|
|
|
203 quit = cmd;
|
|
|
204 break;
|
|
|
205 case SMCMD_JOIN:
|
|
|
206 case SMCMD_PUT:
|
|
|
207 sendCommand(cmd);
|
|
|
208 /*
|
|
|
209 * To prevent confusion, stop user input until the ack
|
|
|
210 */
|
|
|
211 inputLock = true; // wait until ACK
|
|
|
212 break;
|
|
|
213 default:
|
|
|
214 assert(false);
|
|
|
215 }
|
|
|
216 } else {
|
|
|
217 if(syncCounter==0) {
|
|
|
218 // no more command to send, and we don't have syncCounter
|
|
|
219 timeout = 0;
|
|
|
220 if (quit!=null) {
|
|
|
221 if (quit.eid==-1)
|
|
|
222 sendCommand(quit);
|
|
|
223 else
|
|
|
224 forwardCommand(quit);
|
|
|
225 quit=null;
|
|
|
226 }
|
|
|
227 }
|
|
|
228 }
|
|
|
229 }
|
|
|
230
|
|
|
231
|
|
|
232 private void sendCommand(REPCommand cmd1) {
|
|
|
233 REPCommand cmd = new REPCommand(cmd1);
|
|
|
234 cmd.setSEQID(seq++);
|
|
|
235 cmd.setEID(eid);
|
|
|
236 cmd.setSID(sid);
|
|
|
237 ns.writeLog(name +" send "+cmd);
|
|
|
238 channel.write(cmd);
|
|
|
239 }
|
|
|
240
|
|
|
241 private void forwardCommand(REPCommand cmd1) {
|
|
|
242 REPCommand cmd = new REPCommand(cmd1);
|
|
|
243 ns.writeLog(name +" forward "+cmd);
|
|
|
244 Logger.print(logTarget, "write : " + cmd);
|
|
|
245 channel.write(cmd);
|
|
|
246 }
|
|
|
247
|
|
|
248 private void handle(REPCommand cmd) {
|
|
|
249 if (cmd==null) return;
|
|
|
250 ns.writeLog(name +": read "+cmd + " textsize="+text.size());
|
|
|
251 Logger.print(logTarget, "read : " + cmd);
|
|
|
252 switch(cmd.cmd) {
|
|
|
253 case REPCMD_INSERT :
|
|
|
254 if (cmd.eid!=eid) {
|
|
|
255 text.insert(cmd.lineno, cmd.string);
|
|
|
256 repText.insert(cmd.lineno, cmd.string);
|
|
|
257 }
|
|
|
258 forwardCommand(cmd);
|
|
|
259 break;
|
|
|
260 case REPCMD_DELETE :
|
|
|
261 if (cmd.eid!=eid) {
|
|
|
262 String del="";
|
|
|
263 if(cmd.lineno<text.size()) {
|
|
|
264 del = text.delete(cmd.lineno);
|
|
|
265 del = repText.delete(cmd.lineno, cmd.string);
|
|
|
266 }
|
|
|
267 cmd.setString(del);
|
|
|
268 }
|
|
|
269 forwardCommand(cmd);
|
|
|
270 break;
|
|
|
271 case REPCMD_NOP :
|
|
|
272 case REPCMD_INSERT_ACK :
|
|
|
273 case REPCMD_DELETE_ACK :
|
|
|
274 forwardCommand(cmd);
|
|
|
275 break;
|
|
|
276 case REPCMD_CLOSE :
|
|
|
277 case REPCMD_CLOSE_2 :
|
|
|
278 assert(false);
|
|
|
279 break;
|
|
|
280
|
|
|
281 case SMCMD_JOIN_ACK :
|
|
|
282 sid = cmd.sid;
|
|
|
283 eid = cmd.eid;
|
|
|
284 name += "(eid="+eid+",sid="+sid+")";
|
|
|
285 inputLock = false;
|
|
|
286 break;
|
|
|
287 case SMCMD_PUT_ACK :
|
|
|
288 sid = cmd.sid;
|
|
|
289 eid = cmd.eid;
|
|
|
290 name += "(eid="+eid+",sid="+sid+")";
|
|
|
291 inputLock = false;
|
|
|
292 break;
|
|
|
293 case SMCMD_QUIT :
|
|
|
294 if (cmd.eid!=eid)
|
|
|
295 quit = cmd;
|
|
|
296 else // eid=-1 means do not forward but send it.
|
|
|
297 quit = new REPCommand(REP.SMCMD_QUIT_2,
|
|
|
298 sid, -1, seq, 0, "");
|
|
|
299 timeout=1;
|
|
|
300 // stop input processing after this command
|
|
|
301 cmds.clear();
|
|
|
302 break;
|
|
|
303 case SMCMD_START_MERGE :
|
|
|
304 // lock user input during merge (optional)
|
|
|
305 inputLock = hasInputLock;
|
|
|
306 cmd.cmd = REP.SMCMD_START_MERGE_ACK;
|
|
|
307 sendCommand(cmd);
|
|
|
308 break;
|
|
|
309 case SMCMD_END_MERGE :
|
|
|
310 inputLock = false;
|
|
|
311 break;
|
|
|
312 case SMCMD_QUIT_2 :
|
|
|
313 if (cmd.eid!=eid) {
|
|
|
314 forwardCommand(cmd);
|
|
|
315 } else {
|
|
|
316 cmd.cmd = REP.SMCMD_QUIT_2_ACK;
|
|
|
317 sendCommand(cmd);
|
|
|
318 }
|
|
|
319 running = false;
|
|
|
320 break;
|
|
|
321 case SMCMD_SYNC:
|
|
|
322 // start contents sync with newly joined editor
|
|
|
323 cmd.cmd = REP.SMCMD_SYNC_ACK;
|
|
|
324 forwardCommand(cmd);
|
|
|
325 //if (cmd.eid==eid) {
|
|
|
326 if (master && syncEnable ) {
|
|
|
327 syncCounter = 1;
|
|
|
328 timeout = 1;
|
|
|
329 }
|
|
|
330 break;
|
|
|
331 default:
|
|
|
332 assert(false);
|
|
|
333 break;
|
|
|
334 }
|
|
|
335 }
|
|
|
336
|
|
|
337
|
|
|
338 public int getPort() {
|
|
|
339 return port;
|
|
|
340 }
|
|
|
341
|
|
|
342 public synchronized void setCommand(LinkedList<REPCommand> cmds) {
|
|
|
343 this.cmds = cmds;
|
|
|
344 timeout=1;
|
|
|
345 if(selector!=null) selector.wakeup();
|
|
|
346 }
|
|
|
347
|
|
|
348 public void setText(List<String> list) {
|
|
|
349 text = new Text(list);
|
|
|
350 }
|
|
|
351
|
|
|
352 public void setLogTarget(LogTarget target) {
|
|
|
353 logTarget = target;
|
|
|
354 }
|
|
|
355
|
|
|
356 public void setREPText(REPText repText) {
|
|
|
357 this.repText = repText;
|
|
|
358 }
|
|
|
359 }
|
