/*
* Copyright (C) 2020, University of the Basque Country (UPV/EHU)
* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* The original file was part of Open Source IMSDROID
* Copyright (C) 2010-2011, Mamadou Diop.
* Copyright (C) 2011, Doubango Telecom.
*
*
* Contact: Mamadou Diop <diopmamadou(at)doubango(dot)org>
*
* This file is part of Open Source Doubango Framework.
*
* This is free software: you can redistribute it and/or modify it under the terms of
* the GNU General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.doubango.ngn.sip;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import org.doubango.ngn.NgnApplication;
import org.doubango.ngn.NgnEngine;
import org.doubango.ngn.events.NgnMsrpEventArgs;
import org.doubango.ngn.events.NgnMsrpEventTypes;
import org.doubango.ngn.media.NgnMediaType;
import org.doubango.ngn.model.NgnHistoryEvent;
import org.doubango.ngn.model.NgnHistoryMsrpEvent;
import org.doubango.ngn.utils.NgnContentType;
import org.doubango.ngn.utils.NgnListUtils;
import org.doubango.ngn.utils.NgnObservableHashMap;
import org.doubango.ngn.utils.NgnPredicate;
import org.doubango.ngn.utils.NgnStringUtils;
import org.doubango.tinyWRAP.ActionConfig;
import org.doubango.tinyWRAP.MediaContent;
import org.doubango.tinyWRAP.MediaContentCPIM;
import org.doubango.tinyWRAP.MsrpCallback;
import org.doubango.tinyWRAP.MsrpEvent;
import org.doubango.tinyWRAP.MsrpMessage;
import org.doubango.tinyWRAP.MsrpSession;
import org.doubango.tinyWRAP.SdpMessage;
import org.doubango.tinyWRAP.SipMessage;
import org.doubango.tinyWRAP.SipSession;
import org.doubango.tinyWRAP.tmsrp_event_type_t;
import org.doubango.tinyWRAP.tmsrp_request_type_t;
import org.doubango.tinyWRAP.twrap_media_type_t;
import org.doubango.utils.Utils;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
/**
* MSRP session used to share content or send large IM
*/
public class NgnMsrpSession extends NgnInviteSession {
private static String TAG = Utils.getTAG(NgnMsrpSession.class.getCanonicalName());
private static final String CHAT_ACCEPT_TYPES = "text/plain message/CPIM";
private static final String CHAT_ACCEPT_WRAPPED_TYPES = "text/plain image/jpeg image/gif image/bmp image/png";
private static final String FILE_ACCEPT_TYPES = "message/CPIM application/octet-stream";
private static final String FILE_ACCEPT_WRAPPED_TYPES = "application/octet-stream image/jpeg image/gif image/bmp image/png";
private static final int CHUNK_DURATION = 50;
private Context mContext;
private final MsrpSession mSession;
private final NgnMsrpCallback mCallback;
private final long[] mStart, mEnd, mTotal;
private String mFilePath;
private String mFileName;
private String mFileType;
private boolean mFailureReport;
private boolean mSuccessReport;
private boolean mOmaFinalDeliveryReport;
private OutputStream mOutFileStream;
private List<PendingMessage> mPendingMessages;
private final NgnHistoryMsrpEvent mHistoryEvent;
private final static NgnObservableHashMap<Long, NgnMsrpSession> sSessions = new NgnObservableHashMap<Long, NgnMsrpSession>(
true);
public final static NgnObservableHashMap<Long, NgnMsrpSession> getSessions(){
synchronized(sSessions){
return sSessions;
}
}
public static NgnMsrpSession takeIncomingSession(NgnSipStack sipStack, MsrpSession session, SipMessage message){
NgnMsrpSession msrpSession = null;
NgnMediaType mediaType;
SdpMessage sdp = message.getSdpMessage();
String fromUri = message.getSipHeaderValue("f");
if(NgnStringUtils.isNullOrEmpty(fromUri)){
Log.e(TAG,"Invalid fromUri");
return null;
}
if(sdp == null){
Log.e(TAG,"Invalid Sdp content");
return null;
}
String fileSelector = sdp.getSdpHeaderAValue("message", "file-selector");
mediaType = NgnStringUtils.isNullOrEmpty(fileSelector) ? NgnMediaType.Chat : NgnMediaType.FileTransfer;
if (mediaType == NgnMediaType.Chat){
msrpSession = NgnMsrpSession.createIncomingSession(sipStack, session, mediaType, fromUri);
}
else{
String name = null;
String type = null;
// file-selector:name:\"Akav1-MD5.7z\" type:application/octet-stream size:14313 hash:sha-1:48:B4:17:55:DE:3D:6F:45:B1:66:4A:B4:B4:B5:BC:01:AB:0C:A9:E8
// FIXME: name with spaces will fail
String[] values = fileSelector.split(" ");
for(String value : values){
String[] avp = value.split(":");
if(avp.length >=2){
if(NgnStringUtils.equals(avp[0], "name", true)){
name = NgnStringUtils.unquote(avp[1], "\"");
}
else if(NgnStringUtils.equals(avp[0], "type", true)){
type = avp[1];
}
}
}
if(NgnStringUtils.isNullOrEmpty(name)){
Log.e(TAG,"Invalid file name");
return null;
}
msrpSession = NgnMsrpSession.createIncomingSession(sipStack, session, mediaType, fromUri);
msrpSession.mFilePath = String.format("%s/%s", NgnEngine.getInstance().getStorageService().getContentShareDir(), name);
msrpSession.mFileType = type;
msrpSession.mFileName = name;
}
return msrpSession;
}
public static NgnMsrpSession createIncomingSession(NgnSipStack sipStack, MsrpSession session, NgnMediaType mediaType, String remoteUri) {
if (mediaType == NgnMediaType.FileTransfer || mediaType == NgnMediaType.Chat) {
NgnMsrpSession msrpSession = new NgnMsrpSession(sipStack, session,mediaType, remoteUri, InviteState.INCOMING);
sSessions.put(msrpSession.getId(), msrpSession);
return msrpSession;
}
return null;
}
public static NgnMsrpSession createOutgoingSession(NgnSipStack sipStack, NgnMediaType mediaType, String remoteUri) {
if (mediaType == NgnMediaType.FileTransfer || mediaType == NgnMediaType.Chat) {
NgnMsrpSession msrpSession = new NgnMsrpSession(sipStack, null, mediaType, remoteUri, InviteState.INPROGRESS);
sSessions.put(msrpSession.getId(), msrpSession);
return msrpSession;
}
return null;
}
public static void releaseSession(NgnMsrpSession session) {
synchronized (sSessions) {
if (session != null && sSessions.containsKey(session.getId())) {
long id = session.getId();
session.decRef();
sSessions.remove(id);
}
}
}
public static void releaseSession(long id) {
synchronized (sSessions) {
NgnMsrpSession session = NgnMsrpSession.getSession(id);
if (session != null) {
session.decRef();
sSessions.remove(id);
}
}
}
public static NgnMsrpSession getSession(long id) {
synchronized (sSessions) {
if (sSessions.containsKey(id))
return sSessions.get(id);
else
return null;
}
}
public static NgnMsrpSession getSession(NgnPredicate<NgnMsrpSession> predicate) {
synchronized (sSessions) {
return NgnListUtils.getFirstOrDefault(sSessions.values(), predicate);
}
}
public static int getSize() {
synchronized (sSessions) {
return sSessions.size();
}
}
public static int getSize(NgnPredicate<NgnMsrpSession> predicate) {
synchronized (sSessions) {
return NgnListUtils.filter(sSessions.values(), predicate).size();
}
}
public static boolean hasActiveSession(NgnPredicate<NgnMsrpSession> predicate){
synchronized (sSessions){
final List<NgnMsrpSession> mysessions = NgnListUtils.filter(sSessions.values(), predicate);
for(NgnMsrpSession session : mysessions){
if(session.isActive()){
return true;
}
}
}
return false;
}
public static boolean hasSession(long id) {
synchronized (sSessions) {
return sSessions.containsKey(id);
}
}
protected NgnMsrpSession(NgnSipStack sipStack, MsrpSession session, NgnMediaType mediaType, String toUri, InviteState callState) {
super(sipStack);
mStart = new long[1];
mEnd = new long[1];
mTotal = new long[1];
super.mMediaType = mediaType;
mCallback = new NgnMsrpCallback(this);
if (session == null) {
super.mOutgoing = true;
mSession = new MsrpSession(sipStack, mCallback);
} else {
super.mOutgoing = false;
mSession = session;
mSession.setCallback(mCallback);
}
switch (mediaType){
case Chat:
default:
mHistoryEvent = null;//new NgnHistoryChatEvent(toUri);
break;
case FileTransfer:
mHistoryEvent = null;//new NgnHistoryFileTransferEvent(toUri);
break;
}
super.init();
super.setSigCompId(sipStack.getSigCompId());
super.setToUri(toUri);
super.setState(callState);
}
@Override
protected void finalize() throws Throwable {
Log.d(TAG, "finalize()");
if (mOutFileStream != null) {
synchronized (mOutFileStream) {
mOutFileStream.close();
}
}
super.finalize();
}
@Override
protected SipSession getSession() {
return mSession;
}
@Override
protected NgnHistoryEvent getHistoryEvent(){
return mHistoryEvent;
}
public void setContext(Context context){
mContext = context;
}
public Context getContext(Context context){
return mContext;
}
public long getStart(){
return mStart[0];
}
public long getEnd(){
return mEnd[0];
}
public long getTotal(){
return mTotal[0];
}
public String getFileName(){
return mFileName;
}
public String getFilePath() {
return mFilePath;
}
public boolean isFailureReport() {
return mFailureReport;
}
public void setFailureReport(boolean bFailureReport) {
mFailureReport = bFailureReport;
}
public boolean isSuccessReport() {
return mSuccessReport;
}
public void setSuccessReport(boolean bSuccessReport) {
mSuccessReport = bSuccessReport;
}
public boolean isOmaFinalDeliveryReport() {
return mOmaFinalDeliveryReport;
}
public void setOmaFinalDeliveryReport(boolean bOmaFinalDeliveryReport) {
mOmaFinalDeliveryReport = bOmaFinalDeliveryReport;
}
public boolean accept() {
if (super.getState() == InviteState.INCOMING
&& super.getMediaType() == NgnMediaType.FileTransfer) {
try {
final File newFile = new File(mFilePath);
if (!newFile.exists()) {
File parentFile = newFile.getParentFile();
parentFile.mkdirs();
newFile.createNewFile();
}
if (mOutFileStream != null) {
synchronized (mOutFileStream) {
mOutFileStream.close();
}
}
mOutFileStream = new FileOutputStream(
newFile.getAbsolutePath(), false);
} catch (Exception e) {
Log.e(TAG, e.toString());
hangUp();
return false;
}
}
return mSession.accept();
}
public boolean hangUp() {
if (super.isConnected()) {
if (mOutFileStream != null) {
synchronized (mOutFileStream) {
try {
mOutFileStream.close();
} catch (IOException e) {
e.printStackTrace();
}
mOutFileStream = null;
}
}
return mSession.hangup();
} else {
return mSession.reject();
}
}
public boolean sendFile(String path) {
if (NgnStringUtils.isNullOrEmpty(path) || !isFileExists(path)) {
Log.e(TAG, String.format("File (%s) doesn't exist", path));
return false;
}
if (super.getMediaType() != NgnMediaType.FileTransfer) {
Log.e(TAG, "Invalid media type");
return false;
}
final File file = new File(path);
mFileName = file.getName();
mFilePath = file.getAbsolutePath();
mFileType = getFileType(mFilePath);
String fileSelector = String.format("name:\"%s\" type:%s size:%d", mFileName, mFileType, file.length());
ActionConfig config = new ActionConfig();
config.setMediaString(twrap_media_type_t.twrap_media_msrp, "file-path",mFilePath)
.setMediaString(twrap_media_type_t.twrap_media_msrp, "file-selector",fileSelector)
.setMediaString(twrap_media_type_t.twrap_media_msrp, "accept-types",FILE_ACCEPT_TYPES)
.setMediaString(twrap_media_type_t.twrap_media_msrp, "accept-wrapped-types", FILE_ACCEPT_WRAPPED_TYPES)
.setMediaString(twrap_media_type_t.twrap_media_msrp, "file-disposition", "attachment")
.setMediaString(twrap_media_type_t.twrap_media_msrp, "file-icon","cid:test@doubango.org")
.setMediaString(twrap_media_type_t.twrap_media_msrp, "Failure-Report", mFailureReport ? "yes" : "no")
.setMediaString(twrap_media_type_t.twrap_media_msrp, "Success-Report", mSuccessReport ? "yes" : "no")
.setMediaInt(twrap_media_type_t.twrap_media_msrp, "chunck-duration", CHUNK_DURATION);
boolean ret = mSession.callMsrp(super.getRemotePartyUri(), config);
config.delete();
return ret;
}
public boolean SendMessage(String message) {
// if content-type is null, then the application will use the neg. ctype
return sendMessage(message, null, null);
}
public boolean sendMessage(String message, String contentType, String wContentType) {
if (NgnStringUtils.isNullOrEmpty(message)) {
Log.e(TAG, "Null or empty message");
return false;
}
if (super.getMediaType() != NgnMediaType.Chat) {
Log.e(TAG, "Invalid media type");
return false;
}
if (super.isConnected()) {
ActionConfig config = new ActionConfig();
if (!NgnStringUtils.isNullOrEmpty(contentType)) {
config.setMediaString(twrap_media_type_t.twrap_media_msrp, "content-type", contentType);
}
if (!NgnStringUtils.isNullOrEmpty(wContentType)) {
config.setMediaString(twrap_media_type_t.twrap_media_msrp, "w-content-type", wContentType);
}
// config.setMediaString(twrap_media_type_t.twrap_media_msrp,
// "content-type", contentType);
// == OR ==
// config.setMediaString(twrap_media_type_t.twrap_media_msrp,
// "content-type", "message/CPIM")
// .setMediaString(twrap_media_type_t.twrap_media_msrp,
// "w-content-type", "text/plain");
byte[] payload = message.getBytes();
final ByteBuffer byteBuffer = ByteBuffer.allocateDirect(payload.length);
byteBuffer.put(payload);
boolean ret = mSession.sendMessage(byteBuffer, (long) payload.length, config);
config.delete();
return ret;
} else {
if (mPendingMessages == null) {
mPendingMessages = new ArrayList<PendingMessage>();
}
mPendingMessages.add(new PendingMessage(message, contentType,
wContentType));
ActionConfig config = new ActionConfig();
config.setMediaString(twrap_media_type_t.twrap_media_msrp,
"accept-types", CHAT_ACCEPT_TYPES).setMediaString(
twrap_media_type_t.twrap_media_msrp,
"accept-wrapped-types", CHAT_ACCEPT_WRAPPED_TYPES)
.setMediaString(twrap_media_type_t.twrap_media_msrp,
"Failure-Report", mFailureReport ? "yes" : "no")
.setMediaString(twrap_media_type_t.twrap_media_msrp,
"Success-Report", mSuccessReport ? "yes" : "no")
.setMediaInt(twrap_media_type_t.twrap_media_msrp,
"chunck-duration", CHUNK_DURATION);
boolean ret = mSession.callMsrp(super.getRemotePartyUri(), config);
config.delete();
return ret;
}
}
private boolean isFileExists(String path) {
if (!NgnStringUtils.isNullOrEmpty(path)) {
final File file = new File(path);
return file.exists();
}
return false;
}
private String getFileType(String path) {
String type = "application/octet-stream";
int index = path.lastIndexOf('.');
if (index != -1) {
String extension = path.substring(index + 1).toLowerCase();
if (extension.equals("jpe") || extension.equals("jpeg")
|| extension.equals("jpg")) {
type = "image/jpeg";
} else if (extension.equals("gif") || extension.equals("png")
|| extension.equals("bmp")) {
type = String.format("image/%s", extension);
}
}
return type;
}
//
// PendingMessage
//
static class PendingMessage {
final String mMessage;
final String mContentType;
final String mWContentType;
PendingMessage(String message, String contentType, String wContentType) {
mMessage = message;
mContentType = contentType;
mWContentType = wContentType;
}
String getMessage() {
return mMessage;
}
String getContentType() {
return mContentType;
}
String getWContentType() {
return mWContentType;
}
}
//
// NgnMsrpCallback
//
static class NgnMsrpCallback extends MsrpCallback {
final NgnMsrpSession mSession;
final Context mAppContext;
private ByteBuffer mTempBuffer;
private ByteArrayOutputStream mChatStream;
private String mContentType;
private String mWContentType;
private long mSessionId;
private byte[]mData;
NgnMsrpCallback(NgnMsrpSession session) {
super();
mSession = session;
mAppContext = NgnApplication.getContext();
mSessionId = -1;
}
private long getSessionId(){
if(mSessionId == -1 && mSession.getSession() != null){
mSessionId = mSession.getSession().getId();
}
return mSessionId;
}
private boolean appendData(byte[] data, int len){
try{
if(mSession.getMediaType() == NgnMediaType.Chat){
if (mChatStream == null){
mChatStream = new ByteArrayOutputStream(); // Expandable memory stream
}
mChatStream.write(data, 0, len);
}
else if(mSession.getMediaType() == NgnMediaType.FileTransfer){
if (mSession.mOutFileStream == null){
Log.e(TAG,"Null FileStream");
return false;
}
else{
synchronized(mSession.mOutFileStream){
mSession.mOutFileStream.write(data, 0, (int)len);
}
}
}
}
catch (Exception e){
Log.e(TAG,e.toString());
return false;
}
return true;
}
private void processResponse(MsrpMessage message) {
final short code = message.getCode();
final boolean bIsFileTransfer = mSession.getMediaType() == NgnMediaType.FileTransfer;
if(mSession.mContext != null){
synchronized (mSession.mContext) {
if (code >= 200 && code <= 299) {
// File Transfer => ProgressBar
if (bIsFileTransfer) {
message.getByteRange(mSession.mStart, mSession.mEnd, mSession.mTotal);
NgnMsrpEventArgs eargs = new NgnMsrpEventArgs(getSessionId(),NgnMsrpEventTypes.SUCCESS_2XX);
final Intent intent = new Intent(NgnMsrpEventArgs.ACTION_MSRP_EVENT);
intent.putExtra(NgnMsrpEventArgs.EXTRA_EMBEDDED,eargs);
intent.putExtra(NgnMsrpEventArgs.EXTRA_BYTE_RANGE_START,mSession.mStart[0]);
intent.putExtra(NgnMsrpEventArgs.EXTRA_BYTE_RANGE_END,mSession.mEnd[0]);
intent.putExtra(NgnMsrpEventArgs.EXTRA_BYTE_RANGE_TOTAL,mSession.mTotal[0]);
intent.putExtra(NgnMsrpEventArgs.EXTRA_RESPONSE_CODE, code);
mSession.mContext.sendBroadcast(intent);
}
} else if (code >= 300) {
NgnMsrpEventArgs eargs = new NgnMsrpEventArgs(getSessionId(), NgnMsrpEventTypes.ERROR);
final Intent intent = new Intent(NgnMsrpEventArgs.ACTION_MSRP_EVENT);
intent.putExtra(NgnMsrpEventArgs.EXTRA_EMBEDDED, eargs);
intent.putExtra(NgnMsrpEventArgs.EXTRA_RESPONSE_CODE, code);
mSession.mContext.sendBroadcast(intent);
}
}
}
// HangUp session if required
if(code >199 && code <300){
if(mSession.mEnd[0]>=0 && mSession.mEnd[0] == mSession.mTotal[0]){
if(bIsFileTransfer && mSession.isOutgoing()){
mSession.hangUp();
}
}
} else if(code>=300){
mSession.hangUp();
}
}
private void processRequest(MsrpMessage message){
tmsrp_request_type_t type = message.getRequestType();
switch (type){
case tmsrp_SEND:
{
final long clen = message.getMsrpContentLength();
long read = 0;
if(clen == 0){
Log.d(TAG,"Empty MSRP message");
return;
}
if (mTempBuffer == null || mTempBuffer.capacity() < clen){
mTempBuffer = ByteBuffer.allocateDirect((int)clen);
}
read = message.getMsrpContent(mTempBuffer, mTempBuffer.capacity());
if (message.isFirstChunck()){
mContentType = message.getMsrpHeaderValue("Content-Type");
if (!NgnStringUtils.isNullOrEmpty(mContentType) && NgnStringUtils.startsWith(mContentType,NgnContentType.CPIM, true)) {
MediaContentCPIM mediaContent = MediaContent.parse(mTempBuffer, read);
if (mediaContent != null){
mWContentType = mediaContent.getHeaderValue("Content-Type");
read = mediaContent.getPayload(mTempBuffer, mTempBuffer.capacity());
mediaContent.delete();
}
}
}
if(mData == null || mData.length<read){
mData = new byte[(int)read];
}
mTempBuffer.get(mData, 0, (int)read);
appendData(mData, (int)read);
mTempBuffer.rewind();
// File Transfer => ProgressBar
if (mSession.getMediaType() == NgnMediaType.FileTransfer){
if(mSession.mContext != null){
synchronized (mSession.mContext) {
message.getByteRange(mSession.mStart, mSession.mEnd, mSession.mTotal);
NgnMsrpEventArgs eargs = new NgnMsrpEventArgs(getSessionId(),NgnMsrpEventTypes.DATA);
final Intent intent = new Intent(NgnMsrpEventArgs.ACTION_MSRP_EVENT);
intent.putExtra(NgnMsrpEventArgs.EXTRA_EMBEDDED,eargs);
intent.putExtra(NgnMsrpEventArgs.EXTRA_BYTE_RANGE_START, mSession.mStart[0]);
intent.putExtra(NgnMsrpEventArgs.EXTRA_BYTE_RANGE_END, mSession.mEnd[0]);
intent.putExtra(NgnMsrpEventArgs.EXTRA_BYTE_RANGE_TOTAL, mSession.mTotal[0]);
intent.putExtra(NgnMsrpEventArgs.EXTRA_REQUEST_TYPE, "SEND");
mSession.mContext.sendBroadcast(intent);
}
}
}
if(message.isLastChunck()){
if(mSession.getMediaType() == NgnMediaType.Chat && mChatStream != null){
final Context context = mSession.mContext == null ? mAppContext : mSession.mContext;
if(context != null){
synchronized (context) {
NgnMsrpEventArgs eargs = new NgnMsrpEventArgs(getSessionId(),NgnMsrpEventTypes.DATA);
final Intent intent = new Intent(NgnMsrpEventArgs.ACTION_MSRP_EVENT);
intent.putExtra(NgnMsrpEventArgs.EXTRA_EMBEDDED,eargs);
intent.putExtra(NgnMsrpEventArgs.EXTRA_CONTENT_TYPE, mContentType);
intent.putExtra(NgnMsrpEventArgs.EXTRA_WRAPPED_CONTENT_TYPE, mWContentType);
intent.putExtra(NgnMsrpEventArgs.EXTRA_DATA, mChatStream.toByteArray());
context.sendBroadcast(intent);
}
}
mChatStream.reset();
}
else if(mSession.getMediaType() == NgnMediaType.FileTransfer){
if(mSession.mOutFileStream != null){
synchronized (mSession.mOutFileStream){
try {
mSession.mOutFileStream.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
mSession.mOutFileStream = null;
}
}
}
}
break;
}
case tmsrp_REPORT:
{
break;
}
case tmsrp_NONE:
case tmsrp_AUTH:
default:
break;
}
}
private void broadcastEvent(NgnMsrpEventTypes type){
if(mSession.mContext != null){
synchronized (mSession.mContext) {
NgnMsrpEventArgs eargs = new NgnMsrpEventArgs(getSessionId(),type);
final Intent intent = new Intent(NgnMsrpEventArgs.ACTION_MSRP_EVENT);
intent.putExtra(NgnMsrpEventArgs.EXTRA_EMBEDDED,eargs);
mSession.mContext.sendBroadcast(intent);
}
}
}
/**
* onEvent method is overwritten
*
* @param e
* @return
*/
@Override
public int OnEvent(MsrpEvent e){
tmsrp_event_type_t type = e.getType();
SipSession session = e.getSipSession();
if (session == null || session.getId() != getSessionId()){
Log.e(TAG,"Invalid session");
return -1;
}
switch (type){
case tmsrp_event_type_connected:
{
broadcastEvent(NgnMsrpEventTypes.CONNECTED);
if(mSession.mPendingMessages != null && mSession.mPendingMessages.size() > 0) {
if(mSession.isConnected()){
for (PendingMessage pendingMsg : mSession.mPendingMessages){
Log.d(TAG,"Sending pending message...");
mSession.sendMessage(pendingMsg.getMessage(), pendingMsg.getContentType(), pendingMsg.getWContentType());
}
mSession.mPendingMessages.clear();
}
else{
Log.w(TAG,"There are pending messages but we are not connected");
}
}
break;
}
case tmsrp_event_type_disconnected:
{
if(mSession.mOutFileStream != null){
synchronized(mSession.mOutFileStream){
try {
mSession.mOutFileStream.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
mSession.mOutFileStream = null;
}
}
broadcastEvent(NgnMsrpEventTypes.DISCONNECTED);
break;
}
case tmsrp_event_type_message:
{
MsrpMessage message = e.getMessage();
if(message == null){
Log.e(TAG,"Invalid MSRP content");
return -1;
}
if(message.isRequest()){
processRequest(message);
}
else{
processResponse(message);
}
break;
}
default:
break;
}
mSession.setChangedAndNotifyObservers(null);
return 0;
}
}
}