Source Code Cross Referenced for Shootist.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » examples » busy » 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.busy 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package examples.busy;
002:
003:        import javax.sip.*;
004:        import javax.sip.address.*;
005:        import javax.sip.header.*;
006:        import javax.sip.message.*;
007:        import java.util.*;
008:
009:        /**
010:         * This class is a UAC template. Shootist is the guy that shoots and shootme is
011:         * the guy that gets shot.
012:         * 
013:         * @author M. Ranganathan
014:         */
015:
016:        public class Shootist implements  SipListener {
017:
018:            private static SipProvider sipProvider;
019:
020:            private static AddressFactory addressFactory;
021:
022:            private static MessageFactory messageFactory;
023:
024:            private static HeaderFactory headerFactory;
025:
026:            private static SipStack sipStack;
027:
028:            private ContactHeader contactHeader;
029:
030:            private ListeningPoint udpListeningPoint;
031:
032:            private ClientTransaction inviteTid;
033:
034:            private Dialog dialog;
035:
036:            protected static final String usageString = "java "
037:                    + "examples.shootist.Shootist \n"
038:                    + ">>>> is your class path set to the root?";
039:
040:            private static void usage() {
041:                System.out.println(usageString);
042:                System.exit(0);
043:
044:            }
045:
046:            public void processRequest(RequestEvent requestReceivedEvent) {
047:                Request request = requestReceivedEvent.getRequest();
048:                ServerTransaction serverTransactionId = requestReceivedEvent
049:                        .getServerTransaction();
050:
051:                System.out.println("\n\nRequest " + request.getMethod()
052:                        + " received at " + sipStack.getStackName()
053:                        + " with server transaction id " + serverTransactionId);
054:
055:                // We are the UAC so the only request we get is the BYE.
056:                if (request.getMethod().equals(Request.BYE))
057:                    processBye(request, serverTransactionId);
058:
059:            }
060:
061:            public void processBye(Request request,
062:                    ServerTransaction serverTransactionId) {
063:                try {
064:                    System.out.println("shootist:  got a bye .");
065:                    if (serverTransactionId == null) {
066:                        System.out.println("shootist:  null TID.");
067:                        return;
068:                    }
069:                    Dialog dialog = serverTransactionId.getDialog();
070:                    System.out.println("Dialog State = " + dialog.getState());
071:                    Response response = messageFactory.createResponse(200,
072:                            request);
073:                    serverTransactionId.sendResponse(response);
074:                    System.out.println("shootist:  Sending OK.");
075:                    System.out.println("Dialog State = " + dialog.getState());
076:
077:                } catch (Exception ex) {
078:                    ex.printStackTrace();
079:                    System.exit(0);
080:
081:                }
082:            }
083:
084:            public void processResponse(ResponseEvent responseReceivedEvent) {
085:                System.out.println("Got a response");
086:                Response response = (Response) responseReceivedEvent
087:                        .getResponse();
088:                ClientTransaction tid = responseReceivedEvent
089:                        .getClientTransaction();
090:                CSeqHeader cseq = (CSeqHeader) response
091:                        .getHeader(CSeqHeader.NAME);
092:
093:                System.out.println("Response received : Status Code = "
094:                        + response.getStatusCode() + " " + cseq);
095:                if (tid == null) {
096:                    System.out.println("Stray response -- dropping ");
097:                    return;
098:                }
099:                System.out.println("transaction state is " + tid.getState());
100:                System.out.println("Dialog = " + tid.getDialog());
101:                System.out.println("Dialog State is "
102:                        + tid.getDialog().getState());
103:
104:                try {
105:                    if (response.getStatusCode() == Response.OK) {
106:                        if (cseq.getMethod().equals(Request.INVITE)) {
107:                            Request ackRequest = dialog
108:                                    .createRequest(Request.ACK);
109:                            System.out.println("Sending ACK");
110:                            dialog.sendAck(ackRequest);
111:                        } else if (cseq.getMethod().equals(Request.CANCEL)) {
112:                            if (dialog.getState() == DialogState.CONFIRMED) {
113:                                // oops cancel went in too late. Need to hang up the
114:                                // dialog.
115:                                System.out
116:                                        .println("Sending BYE -- cancel went in too late !!");
117:                                Request byeRequest = dialog
118:                                        .createRequest(Request.BYE);
119:                                ClientTransaction ct = sipProvider
120:                                        .getNewClientTransaction(byeRequest);
121:                                dialog.sendRequest(ct);
122:
123:                            }
124:
125:                        }
126:                    }
127:                } catch (Exception ex) {
128:                    ex.printStackTrace();
129:                    System.exit(0);
130:                }
131:
132:            }
133:
134:            public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
135:
136:                System.out.println("Transaction Time out");
137:            }
138:
139:            public void sendCancel() {
140:                try {
141:                    System.out.println("Sending cancel");
142:                    Request cancelRequest = inviteTid.createCancel();
143:                    ClientTransaction cancelTid = sipProvider
144:                            .getNewClientTransaction(cancelRequest);
145:                    cancelTid.sendRequest();
146:                } catch (Exception ex) {
147:                    ex.printStackTrace();
148:                }
149:            }
150:
151:            public void init() {
152:                SipFactory sipFactory = null;
153:                sipStack = null;
154:                sipFactory = SipFactory.getInstance();
155:                sipFactory.setPathName("gov.nist");
156:                Properties properties = new Properties();
157:                // If you want to try TCP transport change the following to
158:                String transport = "udp";
159:                String peerHostPort = "127.0.0.1:5070";
160:                properties.setProperty("javax.sip.OUTBOUND_PROXY", peerHostPort
161:                        + "/" + transport);
162:                // If you want to use UDP then uncomment this.
163:                properties.setProperty("javax.sip.STACK_NAME", "shootist");
164:
165:                // The following properties are specific to nist-sip
166:                // and are not necessarily part of any other jain-sip
167:                // implementation.
168:                // You can set a max message size for tcp transport to
169:                // guard against denial of service attack.
170:                properties.setProperty("gov.nist.javax.sip.MAX_MESSAGE_SIZE",
171:                        "1048576");
172:                properties.setProperty("gov.nist.javax.sip.DEBUG_LOG",
173:                        "shootistdebuglog.txt");
174:                properties.setProperty("gov.nist.javax.sip.SERVER_LOG",
175:                        "shootistlog.txt");
176:
177:                // Drop the client connection after we are done with the transaction.
178:                properties.setProperty(
179:                        "gov.nist.javax.sip.CACHE_CLIENT_CONNECTIONS", "false");
180:                // Set to 0 in your production code for max speed.
181:                // You need 16 for logging traces. 32 for debug + traces.
182:                // Your code will limp at 32 but it is best for debugging.
183:                properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL",
184:                        "DEBUG");
185:
186:                try {
187:                    // Create SipStack object
188:                    sipStack = sipFactory.createSipStack(properties);
189:                    System.out.println("createSipStack " + sipStack);
190:                } catch (PeerUnavailableException e) {
191:                    // could not find
192:                    // gov.nist.jain.protocol.ip.sip.SipStackImpl
193:                    // in the classpath
194:                    e.printStackTrace();
195:                    System.err.println(e.getMessage());
196:                    System.exit(0);
197:                }
198:
199:                try {
200:                    headerFactory = sipFactory.createHeaderFactory();
201:                    addressFactory = sipFactory.createAddressFactory();
202:                    messageFactory = sipFactory.createMessageFactory();
203:                    udpListeningPoint = sipStack.createListeningPoint(
204:                            "127.0.0.1", 5060, "udp");
205:                    sipProvider = sipStack.createSipProvider(udpListeningPoint);
206:                    Shootist listener = this ;
207:                    sipProvider.addSipListener(listener);
208:
209:                    String fromName = "BigGuy";
210:                    String fromSipAddress = "here.com";
211:                    String fromDisplayName = "The Master Blaster";
212:
213:                    String toSipAddress = "there.com";
214:                    String toUser = "LittleGuy";
215:                    String toDisplayName = "The Little Blister";
216:
217:                    // create >From Header
218:                    SipURI fromAddress = addressFactory.createSipURI(fromName,
219:                            fromSipAddress);
220:
221:                    Address fromNameAddress = addressFactory
222:                            .createAddress(fromAddress);
223:                    fromNameAddress.setDisplayName(fromDisplayName);
224:                    FromHeader fromHeader = headerFactory.createFromHeader(
225:                            fromNameAddress, "12345");
226:
227:                    // create To Header
228:                    SipURI toAddress = addressFactory.createSipURI(toUser,
229:                            toSipAddress);
230:                    Address toNameAddress = addressFactory
231:                            .createAddress(toAddress);
232:                    toNameAddress.setDisplayName(toDisplayName);
233:                    ToHeader toHeader = headerFactory.createToHeader(
234:                            toNameAddress, null);
235:
236:                    // create Request URI
237:                    SipURI requestURI = addressFactory.createSipURI(toUser,
238:                            peerHostPort);
239:
240:                    // Create ViaHeaders
241:
242:                    ArrayList viaHeaders = new ArrayList();
243:                    ViaHeader viaHeader = headerFactory.createViaHeader(
244:                            "127.0.0.1", sipProvider.getListeningPoint(
245:                                    transport).getPort(), transport, null);
246:
247:                    // add via headers
248:                    viaHeaders.add(viaHeader);
249:
250:                    // Create ContentTypeHeader
251:                    ContentTypeHeader contentTypeHeader = headerFactory
252:                            .createContentTypeHeader("application", "sdp");
253:
254:                    // Create a new CallId header
255:                    CallIdHeader callIdHeader = sipProvider.getNewCallId();
256:
257:                    // Create a new Cseq header
258:                    CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L,
259:                            Request.INVITE);
260:
261:                    // Create a new MaxForwardsHeader
262:                    MaxForwardsHeader maxForwards = headerFactory
263:                            .createMaxForwardsHeader(70);
264:
265:                    // Create the request.
266:                    Request request = messageFactory.createRequest(requestURI,
267:                            Request.INVITE, callIdHeader, cSeqHeader,
268:                            fromHeader, toHeader, viaHeaders, maxForwards);
269:                    // Create contact headers
270:                    String host = "127.0.0.1";
271:
272:                    SipURI contactUrl = addressFactory.createSipURI(fromName,
273:                            host);
274:                    contactUrl.setPort(udpListeningPoint.getPort());
275:
276:                    // Create the contact name address.
277:                    SipURI contactURI = addressFactory.createSipURI(fromName,
278:                            host);
279:                    contactURI.setPort(sipProvider.getListeningPoint(transport)
280:                            .getPort());
281:
282:                    Address contactAddress = addressFactory
283:                            .createAddress(contactURI);
284:
285:                    // Add the contact address.
286:                    contactAddress.setDisplayName(fromName);
287:
288:                    contactHeader = headerFactory
289:                            .createContactHeader(contactAddress);
290:                    request.addHeader(contactHeader);
291:
292:                    // Add the extension header.
293:                    Header extensionHeader = headerFactory.createHeader(
294:                            "My-Header", "my header value");
295:                    request.addHeader(extensionHeader);
296:
297:                    String sdpData = "v=0\r\n"
298:                            + "o=4855 13760799956958020 13760799956958020"
299:                            + " IN IP4  129.6.55.78\r\n"
300:                            + "s=mysession session\r\n"
301:                            + "p=+46 8 52018010\r\n"
302:                            + "c=IN IP4  129.6.55.78\r\n" + "t=0 0\r\n"
303:                            + "m=audio 6022 RTP/AVP 0 4 18\r\n"
304:                            + "a=rtpmap:0 PCMU/8000\r\n"
305:                            + "a=rtpmap:4 G723/8000\r\n"
306:                            + "a=rtpmap:18 G729A/8000\r\n" + "a=ptime:20\r\n";
307:                    byte[] contents = sdpData.getBytes();
308:
309:                    request.setContent(contents, contentTypeHeader);
310:
311:                    extensionHeader = headerFactory.createHeader(
312:                            "My-Other-Header", "my new header value ");
313:                    request.addHeader(extensionHeader);
314:
315:                    Header callInfoHeader = headerFactory.createHeader(
316:                            "Call-Info", "<http://www.antd.nist.gov>");
317:                    request.addHeader(callInfoHeader);
318:
319:                    // Create the client transaction.
320:                    inviteTid = sipProvider.getNewClientTransaction(request);
321:
322:                    // send the request out.
323:                    inviteTid.sendRequest();
324:
325:                    dialog = inviteTid.getDialog();
326:
327:                } catch (Exception ex) {
328:                    System.out.println(ex.getMessage());
329:                    ex.printStackTrace();
330:                    usage();
331:                }
332:            }
333:
334:            public static void main(String args[]) {
335:                new Shootist().init();
336:
337:            }
338:
339:            public void processIOException(IOExceptionEvent exceptionEvent) {
340:                System.out.println("IOException happened for "
341:                        + exceptionEvent.getHost() + " port = "
342:                        + exceptionEvent.getPort());
343:
344:            }
345:
346:            public void processTransactionTerminated(
347:                    TransactionTerminatedEvent transactionTerminatedEvent) {
348:                System.out.println("Transaction terminated event recieved");
349:            }
350:
351:            public void processDialogTerminated(
352:                    DialogTerminatedEvent dialogTerminatedEvent) {
353:                System.out.println("dialogTerminatedEvent");
354:
355:            }
356:        }
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