Source Code Cross Referenced for Shootme.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » examples » redirect » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » Java Advanced Imaging » examples.redirect 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package examples.redirect;
002:
003:        import javax.sip.*;
004:        import javax.sip.address.*;
005:        import javax.sip.header.*;
006:        import javax.sip.message.*;
007:
008:        import org.apache.log4j.ConsoleAppender;
009:        import org.apache.log4j.Logger;
010:        import org.apache.log4j.SimpleLayout;
011:
012:        import java.util.*;
013:
014:        import junit.framework.TestCase;
015:
016:        /**
017:         * This class is a UAC template. Shootist is the guy that shoots and shootme is
018:         * the guy that gets shot.
019:         * 
020:         * @author M. Ranganathan
021:         */
022:
023:        public class Shootme extends TestCase implements  SipListener {
024:
025:            private ProtocolObjects protocolObjects;
026:
027:            private static final String myAddress = "127.0.0.1";
028:
029:            public static final int myPort = 5070;
030:
031:            protected ServerTransaction inviteTid;
032:
033:            private Response okResponse;
034:
035:            private Request inviteRequest;
036:
037:            private Dialog dialog;
038:
039:            private SipProvider sipProvider;
040:
041:            private int inviteCount = 0;
042:
043:            private int dialogTerminationCount = 0;
044:
045:            private int dialogCount;
046:
047:            private static Logger logger = Logger.getLogger(Shootme.class);
048:
049:            class MyTimerTask extends TimerTask {
050:                Shootme shootme;
051:
052:                public MyTimerTask(Shootme shootme) {
053:                    this .shootme = shootme;
054:
055:                }
056:
057:                public void run() {
058:                    shootme.sendInviteOK();
059:                }
060:
061:            }
062:
063:            protected static final String usageString = "java "
064:                    + "examples.shootist.Shootist \n"
065:                    + ">>>> is your class path set to the root?";
066:
067:            public void processRequest(RequestEvent requestEvent) {
068:                Request request = requestEvent.getRequest();
069:                ServerTransaction serverTransactionId = requestEvent
070:                        .getServerTransaction();
071:
072:                logger.info("\n\nRequest " + request.getMethod()
073:                        + " received at "
074:                        + protocolObjects.sipStack.getStackName()
075:                        + " with server transaction id " + serverTransactionId);
076:
077:                if (request.getMethod().equals(Request.INVITE)) {
078:                    processInvite(requestEvent, serverTransactionId);
079:                } else if (request.getMethod().equals(Request.ACK)) {
080:                    processAck(requestEvent, serverTransactionId);
081:                } else {
082:                    fail("unexpected request recieved");
083:                }
084:            }
085:
086:            public void processResponse(ResponseEvent responseEvent) {
087:
088:                Response r = responseEvent.getResponse();
089:                logger.info("\n\nResponse " + r.getStatusCode()
090:                        + " received at "
091:                        + protocolObjects.sipStack.getStackName());
092:
093:                ClientTransaction ct = responseEvent.getClientTransaction();
094:                assertNotNull(ct);
095:                assertNotNull(ct.getDialog());
096:                assertEquals(DialogState.TERMINATED, ct.getDialog().getState());
097:            }
098:
099:            /**
100:             * Process the ACK request. Send the bye and complete the call flow.
101:             */
102:            public void processAck(RequestEvent requestEvent,
103:                    ServerTransaction serverTransaction) {
104:                try {
105:                    logger.info("shootme: got an ACK! "
106:                            + requestEvent.getRequest());
107:                    logger.info("Dialog State = " + dialog.getState()
108:                            + " sending BYE ");
109:                    assertTrue(dialog.getState() == DialogState.CONFIRMED);
110:                    Request bye = dialog.createRequest(Request.BYE);
111:                    logger.info("bye request = " + bye);
112:
113:                    ClientTransaction ct = this .sipProvider
114:                            .getNewClientTransaction(bye);
115:                    dialog.sendRequest(ct);
116:
117:                    // JvB: not yet, set upon receiving BYE OK response
118:                    // assertEquals( DialogState.TERMINATED, dialog.getState() );
119:                } catch (Exception ex) {
120:                    logger.error("unexpected exception", ex);
121:                    fail("unexpected exception sending bye");
122:                }
123:            }
124:
125:            /**
126:             * Process the invite request.
127:             */
128:            public void processInvite(RequestEvent requestEvent,
129:                    ServerTransaction serverTransaction) {
130:                SipProvider sipProvider = (SipProvider) requestEvent
131:                        .getSource();
132:                Request request = requestEvent.getRequest();
133:                try {
134:                    this .inviteCount++;
135:                    logger.info("shootme: got an Invite " + request);
136:                    assertTrue(request.getHeader(ContactHeader.NAME) != null);
137:                    Response response = protocolObjects.messageFactory
138:                            .createResponse(Response.TRYING, request);
139:                    ToHeader toHeader = (ToHeader) response
140:                            .getHeader(ToHeader.NAME);
141:                    Address address = protocolObjects.addressFactory
142:                            .createAddress("Shootme <sip:" + myAddress + ":"
143:                                    + myPort + ";transport="
144:                                    + protocolObjects.transport + ">");
145:                    ServerTransaction st = requestEvent.getServerTransaction();
146:
147:                    if (st == null) {
148:                        st = sipProvider.getNewServerTransaction(request);
149:                    }
150:                    Dialog dialog = st.getDialog();
151:
152:                    assertTrue(this .dialog != dialog);
153:                    this .dialogCount++;
154:                    this .dialog = dialog;
155:
156:                    logger.info("Shootme: dialog = " + dialog);
157:
158:                    st.sendResponse(response);
159:                    ContactHeader contactHeader = protocolObjects.headerFactory
160:                            .createContactHeader(address);
161:
162:                    /**
163:                     * We distinguish here after the display header in the Request URI
164:                     * to create a final response
165:                     */
166:                    if (((SipURI) (request.getRequestURI()))
167:                            .getParameter("redirection") == null) {
168:                        Response moved = protocolObjects.messageFactory
169:                                .createResponse(Response.MOVED_TEMPORARILY,
170:                                        request);
171:                        moved.addHeader(contactHeader);
172:                        toHeader = (ToHeader) moved.getHeader(ToHeader.NAME);
173:                        toHeader.setTag("4321"); // Application is supposed to set.
174:                        st.sendResponse(moved);
175:                        // Check that the stack is assigning the right state to the
176:                        // dialog.
177:                        assertTrue("dialog state should be terminated", dialog
178:                                .getState() == DialogState.TERMINATED);
179:
180:                    } else {
181:                        Response ringing = protocolObjects.messageFactory
182:                                .createResponse(Response.RINGING, request);
183:                        toHeader = (ToHeader) ringing.getHeader(ToHeader.NAME);
184:                        toHeader.setTag("5432"); // Application is supposed to set.
185:                        st.sendResponse(ringing);
186:                        assertTrue("server tx state should be proceeding", st
187:                                .getState() == TransactionState.PROCEEDING);
188:
189:                        this .okResponse = protocolObjects.messageFactory
190:                                .createResponse(Response.OK, request);
191:                        toHeader = (ToHeader) okResponse
192:                                .getHeader(ToHeader.NAME);
193:                        toHeader.setTag("5432"); // Application is supposed to set.
194:                        okResponse.addHeader(contactHeader);
195:                        this .inviteTid = st;
196:                        // Defer sending the OK to simulate the phone ringing.
197:                        this .inviteRequest = request;
198:
199:                        new Timer().schedule(new MyTimerTask(this ), 1000);
200:
201:                    }
202:                } catch (Exception ex) {
203:                    ex.printStackTrace();
204:                    fail("Error sending response to INVITE");
205:                }
206:            }
207:
208:            private void sendInviteOK() {
209:                try {
210:                    assertTrue(inviteTid.getState() == TransactionState.PROCEEDING);
211:
212:                    inviteTid.sendResponse(okResponse);
213:                    logger.info("Dialog = " + inviteTid.getDialog());
214:                    logger.info("shootme: Dialog state after response: "
215:                            + okResponse.getStatusCode() + " "
216:                            + inviteTid.getDialog().getState());
217:
218:                    assertTrue(inviteTid.getState() == TransactionState.TERMINATED);
219:
220:                } catch (SipException ex) {
221:                    logger.error("unexpected exception", ex);
222:                    fail("unexpected exception");
223:
224:                } catch (InvalidArgumentException ex) {
225:                    logger.error("unexpceted exception", ex);
226:                    fail("unexpected exception");
227:                }
228:            }
229:
230:            /**
231:             * Process the bye request.
232:             */
233:            public void processBye(RequestEvent requestEvent,
234:                    ServerTransaction serverTransactionId) {
235:                SipProvider sipProvider = (SipProvider) requestEvent
236:                        .getSource();
237:                Request request = requestEvent.getRequest();
238:                try {
239:                    logger.info("shootme:  got a bye sending OK.");
240:                    Response response = protocolObjects.messageFactory
241:                            .createResponse(200, request);
242:                    serverTransactionId.sendResponse(response);
243:                    logger.info("Dialog State is "
244:                            + serverTransactionId.getDialog().getState());
245:
246:                } catch (Exception ex) {
247:                    ex.printStackTrace();
248:                    System.exit(0);
249:
250:                }
251:            }
252:
253:            public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
254:                Transaction transaction;
255:                if (timeoutEvent.isServerTransaction()) {
256:                    transaction = timeoutEvent.getServerTransaction();
257:                } else {
258:                    transaction = timeoutEvent.getClientTransaction();
259:                }
260:                logger.info("state = " + transaction.getState());
261:                logger.info("dialog = " + transaction.getDialog());
262:                logger.info("dialogState = "
263:                        + transaction.getDialog().getState());
264:                logger.info("Transaction Time out");
265:                fail("unexpected timeout occured");
266:            }
267:
268:            public SipProvider createProvider() throws Exception {
269:                ListeningPoint lp = protocolObjects.sipStack
270:                        .createListeningPoint("127.0.0.1", myPort,
271:                                protocolObjects.transport);
272:                this .sipProvider = protocolObjects.sipStack
273:                        .createSipProvider(lp);
274:                return this .sipProvider;
275:            }
276:
277:            public Shootme(ProtocolObjects protocolObjects) {
278:                this .protocolObjects = protocolObjects;
279:            }
280:
281:            public static void main(String args[]) throws Exception {
282:                Shootme shootme = new Shootme(new ProtocolObjects("shootme",
283:                        true, "udp", ""));
284:                logger.addAppender(new ConsoleAppender(new SimpleLayout()));
285:                shootme.createProvider();
286:                shootme.sipProvider.addSipListener(shootme);
287:
288:            }
289:
290:            public void processIOException(IOExceptionEvent exceptionEvent) {
291:                logger.info("IOException");
292:                fail("unexpected exception");
293:
294:            }
295:
296:            public void processTransactionTerminated(
297:                    TransactionTerminatedEvent transactionTerminatedEvent) {
298:                logger.info("Transaction terminated event recieved");
299:
300:            }
301:
302:            public void processDialogTerminated(
303:                    DialogTerminatedEvent dialogTerminatedEvent) {
304:                logger.info("Dialog terminated event recieved dialog = 	"
305:                        + dialogTerminatedEvent.getDialog());
306:                this .dialogTerminationCount++;
307:
308:            }
309:
310:            public void checkState() {
311:                assertTrue(this.dialogTerminationCount == this.dialogCount);
312:
313:            }
314:
315:        }
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