Source Code Cross Referenced for RegistrationHelper.java in  » 6.0-JDK-Modules » j2me » gov » nist » siplite » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » gov.nist.siplite 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Portions Copyright  2000-2007 Sun Microsystems, Inc. All Rights
003:         * Reserved.  Use is subject to license terms.
004:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
005:         * 
006:         * This program is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU General Public License version
008:         * 2 only, as published by the Free Software Foundation.
009:         * 
010:         * This program is distributed in the hope that it will be useful, but
011:         * WITHOUT ANY WARRANTY; without even the implied warranty of
012:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
013:         * General Public License version 2 for more details (a copy is
014:         * included at /legal/license.txt).
015:         * 
016:         * You should have received a copy of the GNU General Public License
017:         * version 2 along with this work; if not, write to the Free Software
018:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
019:         * 02110-1301 USA
020:         * 
021:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
022:         * Clara, CA 95054 or visit www.sun.com if you need additional
023:         * information or have any questions.
024:         */
025:
026:        package gov.nist.siplite;
027:
028:        import gov.nist.siplite.stack.*;
029:        import gov.nist.siplite.message.*;
030:        import gov.nist.siplite.header.*;
031:        import gov.nist.siplite.address.*;
032:        import gov.nist.core.*;
033:        import javax.microedition.sip.SipException;
034:        import java.io.IOException;
035:
036:        import com.sun.midp.log.Logging;
037:        import com.sun.midp.log.LogChannels;
038:
039:        /**
040:         * A helper class that runs a registration call flow.
041:         */
042:        public class RegistrationHelper implements  SipListener, Runnable {
043:            /** Current SIP stack context. */
044:            private SipStack sipStack;
045:            /** Current SIP provider. */
046:            private SipProvider sipProvider;
047:            /** Message factory. */
048:            private MessageFactory messageFactory;
049:            /** HJeader factory. */
050:            private HeaderFactory headerFactory;
051:            /** Current user name. */
052:            private String userName;
053:            /** Current user address. */
054:            private String userAddress;
055:            /** Current event listening filter. */
056:            private ListeningPoint lp;
057:            /** Local thread for asynchoronous processing. */
058:            private Thread myThread;
059:            /** Flag indicating successful registraion. */
060:            protected boolean successfulRegistration;
061:            /** Credentials listener for authentication requests. */
062:            private AuthenticationListener authenticationListener;
063:            /**
064:             * Count of authorization requests (RFC 2617, 3.2.2).
065:             */
066:            private int countReoriginateRequest = 1;
067:
068:            /**
069:             * Constructor.
070:             * @param myStack current SIP stack context
071:             * @param userName current user name
072:             * @param userAddress current user address
073:             * @param lp listening point event filter
074:             */
075:            public RegistrationHelper(SipStack myStack, String userName,
076:                    String userAddress, ListeningPoint lp) {
077:                this .sipStack = myStack;
078:                this .userName = userName;
079:                this .userAddress = userAddress;
080:                this .messageFactory = new MessageFactory();
081:                this .headerFactory = new HeaderFactory();
082:                this .lp = lp;
083:                myThread = new Thread(this );
084:                // authenticationListener=new DigestClientAuthentication();
085:            }
086:
087:            /**
088:             * Performs the session registration.
089:             */
090:            public void doRegister() {
091:                myThread.start();
092:                //  Wait to register ourselves so we can receive messages.
093:                synchronized (this ) {
094:                    try {
095:                        if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
096:                            Logging.report(Logging.INFORMATION,
097:                                    LogChannels.LC_JSR180, "WAIT");
098:                        }
099:
100:                        this .wait();
101:
102:                        if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
103:                            Logging.report(Logging.INFORMATION,
104:                                    LogChannels.LC_JSR180, "WAKE UP");
105:                        }
106:                    } catch (InterruptedException ex) {
107:                        return;
108:                    }
109:                }
110:            }
111:
112:            /**
113:             * Starts asynchronous processing int separate thread.
114:             */
115:            public void run() {
116:                try {
117:                    if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
118:                        Logging.report(Logging.INFORMATION,
119:                                LogChannels.LC_JSR180,
120:                                "starting registration thread");
121:                    }
122:
123:                    sipStack.stackInitialized = false;
124:                    Hop hop = sipStack.getRouter().getOutboundProxy();
125:
126:                    if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
127:                        Logging.report(Logging.INFORMATION,
128:                                LogChannels.LC_JSR180, "got listening point");
129:                    }
130:
131:                    sipProvider = lp.getProvider();
132:                    StringBuffer requestLine = new StringBuffer("REGISTER sip:")
133:                            .append(sipStack.getNextHop().getHost())
134:                            .append(":")
135:                            .append(sipStack.getNextHop().getPort()).append(
136:                                    ";transport=" + hop.getTransport()).append(
137:                                    " SIP/2.0\r\n");
138:                    StringBuffer from = new StringBuffer("From: <sip:").append(
139:                            userName).append("@").append(userAddress).append(
140:                            ">;tag=1234\r\n");
141:                    StringBuffer to = new StringBuffer("To: <sip:").append(
142:                            userName).append("@").append(userAddress).append(
143:                            ">\r\n");
144:                    String via = lp.messageProcessor.getViaHeader().toString();
145:                    int port = lp.getPort();
146:
147:                    StringBuffer contact = new StringBuffer("Contact: <sip:"
148:                            + userName + "@" + sipStack.getIPAddress() + ":"
149:                            + port + ";transport=" + hop.getTransport()
150:                            + ">\r\n");
151:
152:                    CallIdHeader callId = sipProvider.getNewCallId();
153:
154:                    CSeqHeader cseq = new CSeqHeader();
155:                    cseq.setMethod(Request.REGISTER);
156:                    cseq.setSequenceNumber(1);
157:
158:                    MaxForwardsHeader maxForwards = new MaxForwardsHeader();
159:                    maxForwards.setMaxForwards(1);
160:
161:                    String registerRequest = new StringBuffer().append(
162:                            requestLine).append(via).append(callId.toString())
163:                            .append(cseq.toString()).append(
164:                                    maxForwards.toString()).append(from)
165:                            .append(to).append(contact).toString();
166:
167:                    // System.out.println(registerRequest);
168:
169:                    Request request = messageFactory
170:                            .createRequest(registerRequest);
171:                    ClientTransaction ct = sipProvider
172:                            .getNewClientTransaction(request);
173:
174:                    if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
175:                        Logging.report(Logging.INFORMATION,
176:                                LogChannels.LC_JSR180,
177:                                "Got client Transaction " + ct);
178:                        Logging.report(Logging.INFORMATION,
179:                                LogChannels.LC_JSR180,
180:                                "SENDING REGISTER TO THE PROXY");
181:                    }
182:
183:                    ct.sendRequest();
184:                } catch (Exception ex) {
185:                    if (Logging.REPORT_LEVEL <= Logging.WARNING) {
186:                        Logging.report(Logging.WARNING, LogChannels.LC_JSR180,
187:                                "Exception: " + ex);
188:                    }
189:
190:                    synchronized (this ) {
191:                        if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
192:                            Logging.report(Logging.INFORMATION,
193:                                    LogChannels.LC_JSR180, "NOTIFY");
194:                        }
195:                        this .notify();
196:                    }
197:                }
198:            }
199:
200:            /**
201:             * Processes a request.
202:             * (always logs a message that request is ignored)
203:             * @param requestEvent the current request
204:             */
205:            public void processRequest(RequestEvent requestEvent) {
206:                // System.out.println("Ignoring request");
207:
208:            }
209:
210:            /**
211:             * Process a response message.
212:             * @param responseEvent the transition event to be processed.
213:             */
214:            public void processResponse(ResponseEvent responseEvent) {
215:                Response response = responseEvent.getResponse();
216:                if (response.getStatusCode() == Response.OK) {
217:                    this .successfulRegistration = true;
218:
219:                    if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
220:                        Logging.report(Logging.INFORMATION,
221:                                LogChannels.LC_JSR180,
222:                                "Registration listener : sending notify!");
223:                    }
224:
225:                    synchronized (this ) {
226:                        // System.out.println("NOTIFY");
227:                        this .notify(); //  Authentication done!
228:                    }
229:                } else {
230:                    //  Need to call out here to the Authentication listener.
231:                    //  check if 401 or 407
232:                    if (response.getStatusCode() == Response.PROXY_AUTHENTICATION_REQUIRED
233:                            || response.getStatusCode() == Response.UNAUTHORIZED) {
234:                        Exception ex = null;
235:                        try {
236:                            ClientTransaction clientTransac = responseEvent
237:                                    .getClientTransaction();
238:
239:                            Request newRequest = authenticationListener
240:                                    .createNewRequest(sipStack, clientTransac
241:                                            .getRequest(), response,
242:                                            countReoriginateRequest);
243:
244:                            if (newRequest == null) {
245:                                if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
246:                                    Logging.report(Logging.INFORMATION,
247:                                            LogChannels.LC_JSR180,
248:                                            "Authentication failed...");
249:                                }
250:                                return;
251:                            }
252:                            countReoriginateRequest++;
253:
254:                            ClientTransaction ct = sipProvider
255:                                    .getNewClientTransaction(newRequest);
256:
257:                            if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
258:                                Logging.report(Logging.INFORMATION,
259:                                        LogChannels.LC_JSR180,
260:                                        "Got client Transaction " + ct);
261:                            }
262:
263:                            ct.sendRequest();
264:
265:                            if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
266:                                Logging.report(Logging.INFORMATION,
267:                                        LogChannels.LC_JSR180,
268:                                        "RegistrationHelper: request sent:\n"
269:                                                + newRequest);
270:                            }
271:
272:                        } catch (SipException se) {
273:                            ex = se;
274:                        } catch (IOException ioe) {
275:                            ex = ioe;
276:                        }
277:                        if (ex != null) {
278:                            if (Logging.REPORT_LEVEL <= Logging.WARNING) {
279:                                Logging.report(Logging.WARNING,
280:                                        LogChannels.LC_JSR180,
281:                                        "RegistrationHelper: processResponse(),"
282:                                                + " exception raised: "
283:                                                + ex.getMessage());
284:                            }
285:                        }
286:                    }
287:                }
288:            }
289:
290:            /**
291:             * Process a tiomeout event.
292:             * @param timeoutEvent termination event based on timeout condition
293:             */
294:            public void processTimeout(TimeoutEvent timeoutEvent) {
295:                synchronized (this ) {
296:                    if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
297:                        Logging.report(Logging.INFORMATION,
298:                                LogChannels.LC_JSR180, "NOTIFY");
299:                    }
300:
301:                    this .notify(); //  Authentication done!
302:                }
303:
304:            }
305:
306:        }
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