sipmanager.java

来自「java 开发的sip软电话 源码 jain sip」· Java 代码 · 共 307 行

/* ====================================================================
 * The Apache Software License, Version 1.1
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 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
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 * modification, are permitted provided that the following conditions
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 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * This software consists of voluntary contributions made by many
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 * Portions of this software are based upon public domain software
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package net.java.mais.sip;

import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.TooManyListenersException;

import javax.sip.ClientTransaction;
import javax.sip.Dialog;
import javax.sip.InvalidArgumentException;
import javax.sip.ListeningPoint;
import javax.sip.ObjectInUseException;
import javax.sip.PeerUnavailableException;
import javax.sip.RequestEvent;
import javax.sip.ResponseEvent;
import javax.sip.ServerTransaction;
import javax.sip.SipException;
import javax.sip.SipFactory;
import javax.sip.SipListener;
import javax.sip.SipProvider;
import javax.sip.SipStack;
import javax.sip.TimeoutEvent;
import javax.sip.Transaction;
import javax.sip.TransactionAlreadyExistsException;
import javax.sip.TransactionUnavailableException;
import javax.sip.TransportNotSupportedException;
import javax.sip.address.Address;
import javax.sip.address.AddressFactory;
import javax.sip.address.SipURI;
import javax.sip.header.CSeqHeader;
import javax.sip.header.ContactHeader;
import javax.sip.header.FromHeader;
import javax.sip.header.HeaderFactory;
import javax.sip.header.MaxForwardsHeader;
import javax.sip.header.ToHeader;
import javax.sip.header.ViaHeader;
import javax.sip.message.Message;
import javax.sip.message.MessageFactory;
import javax.sip.message.Request;
import javax.sip.message.Response;

import net.java.mais.common.NetworkAddressManager;
import net.java.mais.common.PropertiesDepot;
import net.java.mais.common.Utils;
import net.java.mais.media.AVTransmitter;
import net.java.mais.sip.event.CallEvent;
import net.java.mais.sip.event.CallRejectedEvent;
import net.java.mais.sip.event.CommunicationsErrorEvent;
import net.java.mais.sip.event.CommunicationsListener;
import net.java.mais.sip.event.MessageEvent;
import net.java.mais.sip.event.RegistrationEvent;
import net.java.mais.sip.event.UnknownMessageEvent;
import net.java.mais.sip.security.SecurityAuthority;
import net.java.mais.sip.security.SipSecurityManager;
import net.java.mais.sip.security.UserCredentials;
import net.java.mais.sip.simple.MessageProcessing;

/**
 * <p>Title: Netsite TudoMais</p>
 * <p>Description:JAIN-SIP Audio/Video phone application</p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Organisation: CTBC Telecom / Netsite </p>
 * @author Thiago Rocha Camargo ([e-mail])
 */
 
/**
 * The SipManager provides wrapping of the underlying stack's functionalities.
 * It also implements the SipListener interface and handles incoming
 * SIP messages.
 *
 * @author Emil Ivov
 * @version 1.0
 */

public class SipManager
    implements SipListener
{
	
    /**
     * Specifies the number of retries that should be attempted when deleting
     * a sipProvider
     */
    protected static final int  RETRY_OBJECT_DELETES       = 10;
    /**
     * Specifies the time to wait before retrying delete of a sipProvider.
     */
    protected static final long RETRY_OBJECT_DELETES_AFTER = 500;

    protected static final String DEFAULT_TRANSPORT = "udp";
    //jain-sip objects - package accessibility as they should be
    //available for XxxProcessing classes
    /**
     * The SipFactory instance used to create the SipStack and the Address
     * Message and Header Factories.
     */
    public SipFactory sipFactory;

    /**
     * The AddressFactory used to create URLs ans Address objects.
     */
    public AddressFactory addressFactory;

    /**
     * The HeaderFactory used to create SIP message headers.
     */
    public HeaderFactory headerFactory;

    /**
     * The Message Factory used to create SIP messages.
     */
    public MessageFactory messageFactory;

    /**
     * The sipStack instance that handles SIP communications.
     */
    SipStack sipStack;

    /**
     * The default (and currently the only) SIP listening point of the
     * application.
     */
    ListeningPoint listeningPoint;

    /**
     * The JAIN SIP SipProvider instance.
     */
    public SipProvider sipProvider;

    /**
     * An instance used to provide user credentials
     */
    private SecurityAuthority securityAuthority = null;

    /**
     * Used for the contact header to provide firewall support.
     */
    private InetSocketAddress publicIpAddress = null;

    //properties
    protected String sipStackPath = null;
    protected String currentlyUsedURI = null;
    protected String displayName = null;
    protected String transport = null;
    protected String registrarAddress = null;
    protected int localPort = -1;
    protected int registrarPort = -1;
    protected int registrationsExpiration = -1;
    protected String registrarTransport = null;
    private int registerRetries = 0;

    //mandatory stack properties
    protected String stackAddress = null;
    protected String stackName = "TudoMais1";

    //Prebuilt Message headers
    protected FromHeader fromHeader = null;
    protected ContactHeader contactHeader = null;
    protected ArrayList viaHeaders = null;
    protected static final int  MAX_FORWARDS = 70;
    protected MaxForwardsHeader maxForwardsHeader = null;
    protected long registrationTransaction = -1;
    protected ArrayList listeners = new ArrayList();

    //XxxProcessing managers
    /**
     * The instance that handles all registration associated activity such as
     * registering, unregistering and keeping track of expirations.
     */
    RegisterProcessing registerProcessing = null;

    /**
     * The instance that handles all call associated activity such as
     * establishing, managing, and terminating calls.
     */
    CallProcessing callProcessing = null;

    /**
     * The instance that handles incoming/outgoing MESSAGE requests.
     */
    public MessageProcessing messageProcessing = null;

    /**
     * The instance that handles incoming/outgoing REFER requests.
     */
    TransferProcessing transferProcessing = null;

    /**
     * Authentication manager.
     */
    public SipSecurityManager sipSecurityManager = null;

    protected boolean isStarted = false;

    /**
     * Constructor. It only creates a SipManager instance without initializing
     * the stack itself.
     */
    public SipManager()
    {	
    	registerProcessing    = new RegisterProcessing(this);
		
        callProcessing        = new CallProcessing(this);
		
		messageProcessing     = new MessageProcessing(this);

    	sipSecurityManager    = new SipSecurityManager();
    	
        registerRetries=0;
    }

    /**
     * Creates and initializes JAIN SIP objects (factories, stack, listening
     * point and provider). Once this method is called the application is ready
     * to handle (incoming and outgoing) sip messages.
     *
     * @throws CommunicationsException if an axception should occur during the
     * initialization process
     */
    public void start() throws CommunicationsException
    {
        try {
            
            initProperties();
            this.sipFactory = SipFactory.getInstance();
            sipFactory.setPathName(sipStackPath);
            try {
                addressFactory = sipFactory.createAddressFactory();
                headerFactory = sipFactory.createHeaderFactory();
                messageFactory = sipFactory.createMessageFactory();
            }
            catch (PeerUnavailableException ex) {
          		System.out.println("ERRO: "+ex.toString());
          		
                throw new CommunicationsException(
                    "Could not create factories!",
                    ex
                    );
            }
            
            try {
                sipStack = sipFactory.createSipStack(System.getProperties());
            }
            catch (PeerUnavailableException ex) {
           		System.out.println("ERRO: "+ex.toString());
              
                throw new CommunicationsException(
                    "Imposs韛el conectar!\n"
                    +
                    "O proxy pode n鉶 est