package org.mobicents.mgcp.stack;
import jain.protocol.ip.mgcp.JainMgcpCommandEvent;
import jain.protocol.ip.mgcp.JainMgcpResponseEvent;
import jain.protocol.ip.mgcp.message.AuditEndpoint;
import jain.protocol.ip.mgcp.message.AuditEndpointResponse;
import jain.protocol.ip.mgcp.message.parms.BearerInformation;
import jain.protocol.ip.mgcp.message.parms.CapabilityValue;
import jain.protocol.ip.mgcp.message.parms.ConnectionIdentifier;
import jain.protocol.ip.mgcp.message.parms.DigitMap;
import jain.protocol.ip.mgcp.message.parms.EndpointIdentifier;
import jain.protocol.ip.mgcp.message.parms.EventName;
import jain.protocol.ip.mgcp.message.parms.InfoCode;
import jain.protocol.ip.mgcp.message.parms.NotifiedEntity;
import jain.protocol.ip.mgcp.message.parms.ReasonCode;
import jain.protocol.ip.mgcp.message.parms.RequestIdentifier;
import jain.protocol.ip.mgcp.message.parms.RequestedEvent;
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 java.util.ArrayList;
import java.util.Collections;
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;
/**
*
* @author amit bhayani
*
*/
public class AuditEndpointHandler extends TransactionHandler {
private static final Logger logger = Logger.getLogger(AuditEndpointHandler.class);
private AuditEndpoint command;
private AuditEndpointResponse response;
public AuditEndpointHandler(JainMgcpStackImpl stack) {
super(stack);
}
public AuditEndpointHandler(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) {
logger.error("Decoding of AUEP Response failed", e);
} finally {
utilsFactory.deallocate(utils);
}
return response;
}
@Override
public String encode(JainMgcpCommandEvent event) {
Utils utils = utilsFactory.allocate();
// encode message header
AuditEndpoint evt = (AuditEndpoint) event;
StringBuffer s = new StringBuffer();
s.append("AUEP ").append(evt.getTransactionHandle()).append(SINGLE_CHAR_SPACE).append(
evt.getEndpointIdentifier()).append(MGCP_VERSION).append(NEW_LINE);
// encode mandatory parameters
InfoCode[] requestedInfos = evt.getRequestedInfo();
if (requestedInfos != null) {
s.append("F: ").append(utils.encodeInfoCodeList(requestedInfos));
}
utilsFactory.deallocate(utils);
// return msg;
return s.toString();
}
@Override
public String encode(JainMgcpResponseEvent event) {
Utils utils = utilsFactory.allocate();
AuditEndpointResponse response = (AuditEndpointResponse) 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);
if (response.getCapabilities() != null) {
// TODO How to insert a new line with A : for different set of
// compression Algo?
s.append("A: ").append(utils.encodeCapabilityList(response.getCapabilities())).append(NEW_LINE);
}
if (response.getBearerInformation() != null) {
s.append("B: ").append(utils.encodeBearerInformation(response.getBearerInformation())).append(NEW_LINE);
}
ConnectionIdentifier[] connectionIdentifiers = response.getConnectionIdentifiers();
if (connectionIdentifiers != null) {
s.append("I: ");
// msg += "I:";
boolean first = true;
for (int i = 0; i < connectionIdentifiers.length; i++) {
if (first) {
first = false;
} else {
s.append(",");
}
s.append(connectionIdentifiers[i].toString());
}
s.append(NEW_LINE);
}
if (response.getNotifiedEntity() != null) {
s.append("N: ").append(utils.encodeNotifiedEntity(response.getNotifiedEntity())).append(NEW_LINE);
}
if (response.getRequestIdentifier() != null) {
s.append("X: ").append(response.getRequestIdentifier()).append(NEW_LINE);
}
RequestedEvent[] r = response.getRequestedEvents();
if (r != null) {
s.append("R: ").append(utils.encodeRequestedEvents(r)).append(NEW_LINE);
}
EventName[] sEvet = response.getSignalRequests();
if (sEvet != null) {
s.append("S: ").append(utils.encodeEventNames(sEvet)).append(NEW_LINE);
}
if (response.getDigitMap() != null) {
s.append("D: ").append(response.getDigitMap()).append(NEW_LINE);
}
EventName[] o = response.getObservedEvents();
if (o != null) {
s.append("O: ").append(utils.encodeEventNames(o)).append(NEW_LINE);
}
if (response.getReasonCode() != null) {
s.append("E: ").append(response.getReasonCode()).append(NEW_LINE);
}
EventName[] t = response.getDetectEvents();
if (t != null) {
s.append("T: ").append(utils.encodeEventNames(t)).append(NEW_LINE);
}
EventName[] es = response.getEventStates();
if (es != null) {
s.append("ES: ").append(utils.encodeEventNames(es)).append(NEW_LINE);
}
if (response.getRestartMethod() != null) {
s.append("RM: ").append(response.getRestartMethod()).append(NEW_LINE);
}
if (response.getRestartDelay() > 0) {
s.append("RD: ").append(response.getRestartDelay()).append(NEW_LINE);
}
EndpointIdentifier[] z = response.getEndpointIdentifierList();
if (z != null) {
s.append("Z: ").append(utils.encodeEndpointIdentifiers(z)).append(NEW_LINE);
}
utilsFactory.deallocate(utils);
return s.toString();
}
@Override
public JainMgcpResponseEvent getProvisionalResponse() {
AuditEndpointResponse provisionalResponse = null;
if (!sent) {
provisionalResponse = new AuditEndpointResponse(source != null ? source : stack,
ReturnCode.Transaction_Being_Executed);
provisionalResponse.setTransactionHandle(remoteTID);
}
return provisionalResponse;
}
private class CommandContentHandle implements MgcpContentHandler {
Utils utils = null;
public CommandContentHandle(Utils utils) {
this.utils = utils;
}
/**
* 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 {
command = new AuditEndpoint(source != null ? source : stack, endpoint);
command.setTransactionHandle(remoteTID);
}
/**
* Receive notification of the parameter of a message. Parser will call
* this method to report about parameter reading.
*
* @param name
* the name of the parameter
* @param value
* the value of the parameter.
*/
public void param(String name, String value) throws ParseException {
if (name.equalsIgnoreCase("F")) {
command.setRequestedInfo(utils.decodeInfoCodeList(value));
} else {
logger.error("Unknown code " + name);
}
}
/**
* 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 {
throw new ParseException("SessionDescription shouldn't have been included in AUEP command", 0);
}
}
private class ResponseContentHandle implements MgcpContentHandler {
Utils utils = null;
public ResponseContentHandle(Utils utils) {
this.utils = utils;
}
/**
* 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 {
String[] tokens = utils.splitStringBySpace(header);
int tid = Integer.parseInt(tokens[1]);
response = new AuditEndpointResponse(source != null ? source : stack, utils.decodeReturnCode(Integer
.parseInt(tokens[0])));
response.setTransactionHandle(tid);
}
/**
* 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(String name, String value) throws ParseException {
if (name.equals("Z")) {
EndpointIdentifier[] endpointIdentifierList = utils.decodeEndpointIdentifiers(value);
response.setEndpointIdentifierList(endpointIdentifierList);
}
if (name.equalsIgnoreCase("B")) {
BearerInformation b = utils.decodeBearerInformation(value);
response.setBearerInformation(b);
} else if (name.equalsIgnoreCase("I")) {
ConnectionIdentifier[] is = response.getConnectionIdentifiers();
if (is == null) {
ConnectionIdentifier i = new ConnectionIdentifier(value);
response.setConnectionIdentifiers(new ConnectionIdentifier[] { i });
} else {
ArrayList<ConnectionIdentifier> arrayList = new ArrayList<ConnectionIdentifier>();
Collections.addAll(arrayList, is);
arrayList.add(new ConnectionIdentifier(value));
ConnectionIdentifier[] temp = new ConnectionIdentifier[arrayList.size()];
response.setConnectionIdentifiers(arrayList.toArray(temp));
}
} else if (name.equalsIgnoreCase("N")) {
NotifiedEntity n = utils.decodeNotifiedEntity(value, true);
response.setNotifiedEntity(n);
} else if (name.equalsIgnoreCase("X")) {
RequestIdentifier r = new RequestIdentifier(value);
response.setRequestIdentifier(r);
} else if (name.equalsIgnoreCase("R")) {
RequestedEvent[] r = utils.decodeRequestedEventList(value);
response.setRequestedEvents(r);
} else if (name.equalsIgnoreCase("S")) {
EventName[] s = utils.decodeEventNames(value);
response.setSignalRequests(s);
} else if (name.equalsIgnoreCase("D")) {
DigitMap d = new DigitMap(value);
response.setDigitMap(d);
} else if (name.equalsIgnoreCase("O")) {
EventName[] o = utils.decodeEventNames(value);
response.setObservedEvents(o);
} else if (name.equalsIgnoreCase("E")) {
ReasonCode e = utils.decodeReasonCode(value);
response.setReasonCode(e);
} else if (name.equalsIgnoreCase("Q")) {
// response.set
} else if (name.equalsIgnoreCase("T")) {
EventName[] t = utils.decodeEventNames(value);
response.setDetectEvents(t);
} else if (name.equalsIgnoreCase("A")) {
CapabilityValue[] capabilities = response.getCapabilities();
if (capabilities == null) {
response.setCapabilities(utils.decodeCapabilityList(value));
} else {
CapabilityValue[] newCapability = utils.decodeCapabilityList(value);
int size = capabilities.length + newCapability.length;
CapabilityValue[] temp = new CapabilityValue[size];
int count = 0;
for (int i = 0; i < capabilities.length; i++) {
temp[count] = capabilities[i];
count++;
}
for (int j = 0; j < newCapability.length; j++) {
temp[count] = newCapability[j];
count++;
}
response.setCapabilities(temp);
}
} else if (name.equalsIgnoreCase("ES")) {
EventName[] es = utils.decodeEventNames(value);
response.setEventStates(es);
} else if (name.equalsIgnoreCase("RM")) {
RestartMethod rm = utils.decodeRestartMethod(value);
response.setRestartMethod(rm);
} else if (name.equalsIgnoreCase("RD")) {
int restartDelay = 0;
try {
restartDelay = Integer.parseInt(value);
} catch (NumberFormatException nfe) {
logger.error("RD throws error " + value, nfe);
}
response.setRestartDelay(restartDelay);
}
}
/**
* 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 {
// response.setLocalConnectionDescriptor(new
// ConnectionDescriptor(sd));
}
}
}