package org.mobicents.mgcp.stack;
import jain.protocol.ip.mgcp.JainMgcpCommandEvent;
import jain.protocol.ip.mgcp.JainMgcpResponseEvent;
import jain.protocol.ip.mgcp.message.RestartInProgress;
import jain.protocol.ip.mgcp.message.RestartInProgressResponse;
import jain.protocol.ip.mgcp.message.parms.EndpointIdentifier;
import jain.protocol.ip.mgcp.message.parms.NotifiedEntity;
import jain.protocol.ip.mgcp.message.parms.RestartMethod;
import jain.protocol.ip.mgcp.message.parms.ReturnCode;
import java.io.IOException;
import java.net.InetAddress;
import java.text.ParseException;
import org.apache.log4j.Logger;
import org.mobicents.mgcp.stack.parser.MgcpContentHandler;
import org.mobicents.mgcp.stack.parser.MgcpMessageParser;
import org.mobicents.mgcp.stack.parser.Utils;
/**
* Parse/encode RSIP commands.
*
* @author Tom Uijldert
*
*/
public class RestartInProgressHandler extends TransactionHandler {
private static final Logger logger = Logger.getLogger(RestartInProgressHandler.class);
private RestartInProgress command;
private RestartInProgressResponse response;
public RestartInProgressHandler(JainMgcpStackImpl stack) {
super(stack);
}
public RestartInProgressHandler(JainMgcpStackImpl stack, InetAddress address, int port) {
super(stack, address, port);
}
@Override
public JainMgcpCommandEvent decodeCommand(String message) throws ParseException {
Utils utils = utilsFactory.allocate();
MgcpMessageParser parser = new MgcpMessageParser(new CommandContentHandle(utils));
try {
parser.parse(message);
} catch (Exception e) {
throw new ParseException(e.getMessage(), -1);
} finally {
utilsFactory.deallocate(utils);
}
return command;
}
@Override
public JainMgcpResponseEvent decodeResponse(String message) throws ParseException {
Utils utils = utilsFactory.allocate();
MgcpMessageParser parser = new MgcpMessageParser(new ResponseContentHandle(utils));
try {
parser.parse(message);
} catch (IOException e) {
// should never happen
} finally {
utilsFactory.deallocate(utils);
}
return response;
}
@Override
public String encode(JainMgcpCommandEvent event) {
RestartInProgress rsip = (RestartInProgress) event;
StringBuffer message = new StringBuffer();
message.append("RSIP ").append(event.getTransactionHandle()).append(SINGLE_CHAR_SPACE).append(
rsip.getEndpointIdentifier()).append(SINGLE_CHAR_SPACE).append(MGCP_VERSION).append(NEW_LINE);
message.append("RM:").append(rsip.getRestartMethod()).append(NEW_LINE);
if (rsip.getRestartDelay() != 0) {
message.append("RD:").append(rsip.getRestartDelay()).append(NEW_LINE);
}
if (rsip.getReasonCode() != null) {
message.append("E:").append(rsip.getReasonCode()).append(NEW_LINE);
}
return message.toString();
}
@Override
public String encode(JainMgcpResponseEvent event) {
RestartInProgressResponse response = (RestartInProgressResponse) event;
ReturnCode returnCode = response.getReturnCode();
StringBuffer s = new StringBuffer();
s.append(returnCode.getValue()).append(SINGLE_CHAR_SPACE).append(response.getTransactionHandle()).append(
SINGLE_CHAR_SPACE).append(returnCode.getComment()).append(NEW_LINE);
// TODO should utils.encodeNotifiedEntity decide on port?
if (response.getNotifiedEntity() != null) {
Utils utils = utilsFactory.allocate();
s.append("N:").append(utils.encodeNotifiedEntity(response.getNotifiedEntity())).append(NEW_LINE);
utilsFactory.deallocate(utils);
}
return s.toString();
// return msg;
}
private class CommandContentHandle implements MgcpContentHandler {
private Utils utils = null;
public CommandContentHandle(Utils utils) {
this.utils = utils;
}
public void header(String header) throws ParseException {
command = new RestartInProgress(source != null ? source : stack, endpoint, RestartMethod.Restart);
command.setTransactionHandle(remoteTID);
}
public void param(String name, String value) throws ParseException {
if (name.equalsIgnoreCase("RM")) {
command.setRestartMethod(utils.decodeRestartMethod(value));
} else if (name.equalsIgnoreCase("RD")) {
command.setRestartDelay(Integer.parseInt(value));
} else if (name.equalsIgnoreCase("E")) {
command.setReasonCode(utils.decodeReasonCode(value));
}
}
public void sessionDescription(String sd) throws ParseException {
throw new UnsupportedOperationException("Not supported yet.");
}
}
private class ResponseContentHandle implements MgcpContentHandler {
private Utils utils;
public ResponseContentHandle(Utils utils) {
this.utils = utils;
}
public void header(String header) throws ParseException {
String[] tokens = utils.splitStringBySpace(header);
int tid = Integer.parseInt(tokens[1]);
response = new RestartInProgressResponse(source != null ? source : stack, utils.decodeReturnCode(Integer
.parseInt(tokens[0])));
response.setTransactionHandle(tid);
}
public void param(String name, String value) throws ParseException {
if (name.equalsIgnoreCase("N")) {
NotifiedEntity n = utils.decodeNotifiedEntity(value, true);
response.setNotifiedEntity(n);
} else {
logger.warn("Unidentified AUCX Response parameter " + name + " with value = " + value);
}
}
public void sessionDescription(String sd) throws ParseException {
throw new UnsupportedOperationException("Not supported yet.");
}
}
@Override
public JainMgcpResponseEvent getProvisionalResponse() {
RestartInProgressResponse provisionalResponse = null;
if (!sent) {
provisionalResponse = new RestartInProgressResponse(source != null ? source : stack,
ReturnCode.Transaction_Being_Executed);
provisionalResponse.setTransactionHandle(remoteTID);
}
return provisionalResponse;
}
}