/* * JBoss, Home of Professional Open Source * Copyright 2011, Red Hat, Inc. and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ /* * File Name : EndpointConfigurationHandle.java * * The JAIN MGCP API implementaion. * * The source code contained in this file is in in the public domain. * It can be used in any project or product without prior permission, * license or royalty payments. There is NO WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, * THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, * AND DATA ACCURACY. We do not warrant or make any representations * regarding the use of the software or the results thereof, including * but not limited to the correctness, accuracy, reliability or * usefulness of the software. */ package org.restcomm.media.client.mgcp.parser.commands; import jain.protocol.ip.mgcp.JainMgcpCommandEvent; import jain.protocol.ip.mgcp.JainMgcpResponseEvent; import jain.protocol.ip.mgcp.message.EndpointConfiguration; import jain.protocol.ip.mgcp.message.EndpointConfigurationResponse; import jain.protocol.ip.mgcp.message.parms.BearerInformation; import jain.protocol.ip.mgcp.message.parms.EndpointIdentifier; import jain.protocol.ip.mgcp.message.parms.ReturnCode; import java.net.InetAddress; import java.text.ParseException; import org.apache.log4j.Logger; import org.restcomm.media.client.mgcp.handlers.MgcpContentHandler; import org.restcomm.media.client.mgcp.handlers.TransactionHandler; import org.restcomm.media.client.mgcp.parser.SplitDetails; import org.restcomm.media.client.mgcp.parser.StringFunctions; import org.restcomm.media.client.mgcp.parser.params.BearerInformationHandler; import org.restcomm.media.client.mgcp.parser.params.EndpointIdentifierHandler; import org.restcomm.media.client.mgcp.parser.params.ReturnCodeHandler; import org.restcomm.media.client.mgcp.stack.JainMgcpStackImpl; /** * * @author Oleg Kulikov * @author Pavel Mitrenko * @author Yulian Oifa */ public class EndpointConfigurationHandler extends TransactionHandler { public static final byte[] COMMAND_NAME=new byte[] { StringFunctions.HIGH_E_BYTE,StringFunctions.HIGH_P_BYTE, StringFunctions.HIGH_C_BYTE,StringFunctions.HIGH_F_BYTE }; private EndpointConfiguration command; private EndpointConfigurationResponse response; private static final Logger logger = Logger.getLogger(EndpointConfigurationHandler.class); /** Creates a new instance of EndpointConfigurationHandle */ public EndpointConfigurationHandler(JainMgcpStackImpl stack) { super(stack); } public EndpointConfigurationHandler(JainMgcpStackImpl stack, InetAddress address, int port) { super(stack, address, port); } public JainMgcpCommandEvent decodeCommand(byte[] data,SplitDetails[] message) throws ParseException { command = new EndpointConfiguration(source != null ? source : stack, endpoint, BearerInformation.EncMethod_A_Law); command.setTransactionHandle(remoteTID); try { (new CommandContentHandle()).parse(data,message); } catch (Exception e) { logger.error("Parsing of EndpointConfiguration command failed", e); } return command; } public JainMgcpResponseEvent decodeResponse(byte[] data,SplitDetails[] msg,Integer txID,ReturnCode returnCode) throws ParseException { response = new EndpointConfigurationResponse(source != null ? source : stack, returnCode); response.setTransactionHandle(txID); try { (new ResponseContentHandle()).parse(data,msg); } catch (Exception e) { logger.error("Parsing of EndpointConfiguration Response failed", e); } return response; } public int encode(JainMgcpCommandEvent event,byte[] array) { EndpointConfiguration evt = (EndpointConfiguration) event; int totalLength=5; System.arraycopy(COMMAND_NAME, 0, array, 0, 4); array[4]=StringFunctions.SPACE_BYTE; totalLength+=StringFunctions.encodeInt(array,5,event.getTransactionHandle()); array[totalLength++]=StringFunctions.SPACE_BYTE; totalLength+=EndpointIdentifierHandler.encode(array,totalLength,evt.getEndpointIdentifier()); array[totalLength++]=StringFunctions.SPACE_BYTE; System.arraycopy(MGCP_VERSION, 0, array, totalLength, MGCP_VERSION.length); totalLength+=MGCP_VERSION.length; array[totalLength++]=StringFunctions.NEWLINE_BYTE; // encode mandatory parameters array[totalLength++]=StringFunctions.HIGH_B_BYTE; array[totalLength++]=StringFunctions.COLON_BYTE; totalLength+=BearerInformationHandler.encode(array,totalLength,evt.getBearerInformation()); array[totalLength++]=StringFunctions.NEWLINE_BYTE; return totalLength; } public int encode(JainMgcpResponseEvent event,byte[] array) { EndpointConfigurationResponse response = (EndpointConfigurationResponse) event; ReturnCode returnCode = response.getReturnCode(); int totalLength=ReturnCodeHandler.encode(array,0,returnCode); array[totalLength++]=StringFunctions.SPACE_BYTE; totalLength+=StringFunctions.encodeInt(array,totalLength,response.getTransactionHandle()); array[totalLength++]=StringFunctions.SPACE_BYTE; byte[] commentBytes=returnCode.getComment().getBytes(); System.arraycopy(commentBytes, 0, array,totalLength, commentBytes.length); totalLength+=commentBytes.length; array[totalLength++]=StringFunctions.NEWLINE_BYTE; return totalLength; } private class CommandContentHandle extends MgcpContentHandler { public CommandContentHandle() { } /** * Receive notification of the parameter of a message. Parser will call * this method to report about parameter reading. * * @param name * the name of the paremeter * @param value * the value of the parameter. */ public void param(byte[] data,SplitDetails name,SplitDetails value) throws ParseException { if(name.getLength()==1) { if(data[name.getOffset()]==StringFunctions.LOW_B_BYTE || data[name.getOffset()]==StringFunctions.HIGH_B_BYTE) command.setBearerInformation(BearerInformationHandler.decode(data,value.getOffset(),value.getLength())); else logger.warn("Unidentified EPCF Request parameter " + new String(data,name.getOffset(),name.getLength()) + " with value = " + new String(data,value.getOffset(),value.getLength())); } else logger.warn("Unidentified EPCF Request parameter " + new String(data,name.getOffset(),name.getLength()) + " with value = " + new String(data,value.getOffset(),value.getLength())); } /** * Receive notification of the session description. Parser will call * this method to report about session descriptor reading. * * @param sd * the session description from message. */ public void sessionDescription(String sd) throws ParseException { } } private class ResponseContentHandle extends MgcpContentHandler { public ResponseContentHandle() { } /** * Receive notification of the header of a message. Parser will call * this method to report about header reading. * * @param header * the header from the message. */ public void header(String header) throws ParseException { } /** * Receive notification of the parameter of a message. Parser will call * this method to report about parameter reading. * * @param name * the name of the paremeter * @param value * the value of the parameter. */ public void param(byte[] data,SplitDetails name,SplitDetails value) throws ParseException { } /** * Receive notification of the session description. Parser will call * this method to report about session descriptor reading. * * @param sd * the session description from message. */ public void sessionDescription(String sd) throws ParseException { } } @Override public JainMgcpResponseEvent getProvisionalResponse() { EndpointConfigurationResponse provisionalresponse = null; if (!sent) provisionalresponse = new EndpointConfigurationResponse(source != null ? source : stack,ReturnCode.Transaction_Being_Executed); return provisionalresponse; } }