Source Code Cross Referenced for SessionKeepAlive.java in  » Portal » Open-Portal » com » sun » portal » netlet » eproxy » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » Open Portal » com.sun.portal.netlet.eproxy 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package com.sun.portal.netlet.eproxy;
002:
003:        /*
004:         * Keep the User Session alive until there is some Netlet traffic
005:         *
006:         * @ see com.sun.portal.netlet.eproxy.NetletGroup
007:         * @ see com.iplanet.sso.*;
008:         *
009:         * @ created 31-08-2001
010:         * @ author Rajesh T
011:         */
012:
013:        import java.util.logging.Level;
014:        import java.util.logging.Logger;
015:
016:        import com.iplanet.sso.SSOException;
017:        import com.iplanet.sso.SSOToken;
018:        import com.iplanet.sso.SSOTokenManager;
019:        import com.sun.portal.log.common.PortalLogger;
020:
021:        public class SessionKeepAlive implements  Runnable {
022:
023:            private long activateTime = 0; // Time in milliseconds
024:
025:            private boolean status = true;
026:
027:            private NetletGroupManager manager = null;
028:
029:            private long maxIdleTime = 0;
030:
031:            private final long interval = 100; // divident of MaxIdle time for
032:
033:            // Checking.
034:
035:            private static Logger logger = PortalLogger
036:                    .getLogger(SessionKeepAlive.class);
037:
038:            public SessionKeepAlive(NetletGroupManager ng, long idleTime) {
039:                maxIdleTime = idleTime;
040:                manager = ng;
041:                init();
042:            }
043:
044:            /*
045:             * sets the sleep time to maxIdleTime/interval seconds
046:             */
047:            private void init() {
048:                maxIdleTime = maxIdleTime * 60000;
049:                activateTime = (long) maxIdleTime / interval;
050:            }
051:
052:            /*
053:             * Gets the last Netlet activity time and checks whether the session is
054:             * alive If there is some netlet traffic activated the user session before
055:             * max idle time is reached.
056:             */
057:
058:            public void run() {
059:                long calculatedTime = 0;
060:                String ssoTokenIDs[];
061:                String ssoTokenID;
062:                NetletGroup userNetletTraffic = null;
063:                long checkTime = (2 * activateTime) + 5;
064:
065:                SSOTokenManager ssoTokenManager = null;
066:                try {
067:                    ssoTokenManager = SSOTokenManager.getInstance();
068:                } catch (SSOException se) {
069:                    // logger.severe("SessionKeepAlive: Unable to get SSOTokenManager
070:                    // instance -> " + se);
071:                    logger.log(Level.SEVERE, "PSSRNTLT_CSPNEPROX111", se);
072:                    status = false;
073:                }
074:
075:                while (status) {
076:
077:                    try {
078:                        ssoTokenIDs = NetletGroupManager
079:                                .getRegisteredSessions();
080:                        for (int i = 0; i < ssoTokenIDs.length; i++) {
081:                            ssoTokenID = ssoTokenIDs[i];
082:                            if ((ssoTokenID != null)
083:                                    && (ssoTokenID.trim().length() != 0)) {
084:                                userNetletTraffic = NetletGroupManager
085:                                        .getNetletGroup(ssoTokenID);
086:                                /*
087:                                 * @ modified by bshankar@sun.com for bug 4680712 -
088:                                 * Netlet should not not continue after Max session
089:                                 * time.
090:                                 */
091:                                if ((System.currentTimeMillis() - userNetletTraffic
092:                                        .getUserLoginTime()) >= userNetletTraffic
093:                                        .getMaxSessionTime()) {
094:                                    NetletGroupManager.unregister(ssoTokenID);
095:                                    continue;
096:                                }
097:                                calculatedTime = System.currentTimeMillis()
098:                                        - userNetletTraffic
099:                                                .getLastActivityTime();
100:                                // fix for bug #6252410
101:                                //                        if (calculatedTime < checkTime) {
102:                                if (calculatedTime < maxIdleTime) {
103:                                    if (userNetletTraffic.needToExtend()) {
104:                                        SSOToken token = null;
105:                                        try {
106:                                            token = ssoTokenManager
107:                                                    .createSSOToken(ssoTokenID);
108:                                        } catch (SSOException ssoe) {
109:                                            token = null;
110:                                        }
111:                                        if (token == null
112:                                                || !ssoTokenManager
113:                                                        .isValidToken(token)) {
114:                                            if (!userNetletTraffic
115:                                                    .getNetletRunUponLogout()) {
116:                                                NetletGroupManager
117:                                                        .unregister(ssoTokenID);
118:                                            }
119:                                        }
120:                                    }
121:                                }
122:                                //                        else if (calculatedTime < maxIdleTime) {
123:                                //                        }
124:                                else {
125:                                    NetletGroupManager.unregister(ssoTokenID);
126:                                }
127:                            } else {
128:                                NetletGroupManager.unregister(ssoTokenID);
129:                            }
130:                        }
131:                        Thread.sleep(activateTime);
132:
133:                    } catch (InterruptedException ie) {
134:                        // logger.severe("SessionKeepAlive: Caught interrrupted
135:                        // exception -> " + ie);
136:                        logger.log(Level.SEVERE, "PSSRNTLT_CSPNEPROX112", ie);
137:                        status = false;
138:                    }
139:                }
140:            }
141:        }
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