/*
* GT-Mconf: Multiconference system for interoperable web and mobile
* http://www.inf.ufrgs.br/prav/gtmconf
* PRAV Labs - UFRGS
*
* This file is part of Mconf-Mobile.
*
* Mconf-Mobile 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 3 of the License, or
* (at your option) any later version.
*
* Mconf-Mobile 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 Mconf-Mobile. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mconf.bbb.phone;
import java.util.Map;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.Channels;
import org.mconf.bbb.BigBlueButtonClient;
import org.mconf.bbb.RtmpConnection;
import org.mconf.bbb.api.JoinedMeeting;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.flazr.rtmp.LoopedReader;
import com.flazr.rtmp.RtmpDecoder;
import com.flazr.rtmp.RtmpEncoder;
import com.flazr.rtmp.RtmpMessage;
import com.flazr.rtmp.RtmpPublisher;
import com.flazr.rtmp.RtmpReader;
import com.flazr.rtmp.client.ClientHandshakeHandler;
import com.flazr.rtmp.client.ClientOptions;
import com.flazr.rtmp.message.Audio;
import com.flazr.rtmp.message.Command;
import com.flazr.rtmp.message.CommandAmf0;
import com.flazr.rtmp.message.Control;
import com.flazr.rtmp.message.MessageType;
public abstract class VoiceConnection extends RtmpConnection {
private static final Logger log = LoggerFactory.getLogger(VoiceConnection.class);
private String publishName;
private String playName;
@SuppressWarnings("unused")
private String codec;
private int playStreamId = -1;
private int publishStreamId = -1;
public VoiceConnection(ClientOptions options, BigBlueButtonClient context) {
super(options, context);
}
@Override
protected ChannelPipelineFactory pipelineFactory() {
return new ChannelPipelineFactory() {
@Override
public ChannelPipeline getPipeline() throws Exception {
final ChannelPipeline pipeline = Channels.pipeline();
pipeline.addLast("handshaker", new ClientHandshakeHandler(options));
pipeline.addLast("decoder", new RtmpDecoder());
pipeline.addLast("encoder", new RtmpEncoder());
pipeline.addLast("handler", VoiceConnection.this);
return pipeline;
}
};
}
@Override
public void channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e) {
/*
* https://github.com/bigbluebutton/bigbluebutton/blob/master/bigbluebutton-client/src/org/bigbluebutton/modules/phone/managers/ConnectionManager.as#L78
* netConnection.connect(uri, externUID, username);
*/
JoinedMeeting meeting = context.getJoinService().getJoinedMeeting();
options.setArgs(meeting.getExternUserID(), context.getMyUserId() + "-" + meeting.getFullname());
Command connect = Command.connect(options);
writeCommandExpectingResult(e.getChannel(), connect);
}
@Override
public void channelDisconnected(ChannelHandlerContext ctx,
ChannelStateEvent e) throws Exception {
super.channelDisconnected(ctx, e);
log.debug("Rtmp Channel Disconnected");
if (options != null) {
RtmpReader reader = options.getReaderToPublish();
if (reader != null)
reader.close();
}
}
@SuppressWarnings("unchecked")
public String connectGetCode(Command command) {
return ((Map<String, Object>) command.getArg(0)).get("code").toString();
}
// netConnection.call("voiceconf.call", null, "default", username, dialStr);
public void call(Channel channel) {
Command command = new CommandAmf0("voiceconf.call", null,
"default",
context.getJoinService().getJoinedMeeting().getFullname(),
context.getJoinService().getJoinedMeeting().getWebvoiceconf());
writeCommandExpectingResult(channel, command);
}
// https://github.com/bigbluebutton/bigbluebutton/blob/master/bigbluebutton-client/src/org/bigbluebutton/modules/phone/managers/ConnectionManager.as#L149
protected boolean onCall(String resultFor, Command command) {
if (resultFor.equals("voiceconf.call")) {
log.debug(command.toString());
return true;
} else
return false;
}
public void hangup(Channel channel) {
Command command = new CommandAmf0("voiceconf.hangup", null,
"default");
writeCommandExpectingResult(channel, command);
}
@Override
protected void onMultimedia(Channel channel, RtmpMessage message) {
super.onMultimedia(channel, message);
if (message.getHeader().getMessageType() == MessageType.AUDIO) {
onAudio((Audio) message);
}
}
@Override
protected void onCommandResult(Channel channel, Command command,
String resultFor) {
log.info("result for method call: {}", resultFor);
if(resultFor.equals("connect")) {
String code = connectGetCode(command);
if (code.equals("NetConnection.Connect.Success")) {
call(channel);
} else {
log.error("method connect result in {}, quitting", code);
log.debug("connect response: {}", command.toString());
channel.close();
}
return;
} else if(resultFor.equals("createStream")) {
if (playStreamId == -1) {
playStreamId = ((Double) command.getArg(0)).intValue();
log.debug("playStreamId to use: {}", playStreamId);
writer = options.getWriterToSave();
ClientOptions newOptions = new ClientOptions();
newOptions.setStreamName(playName);
channel.write(Command.play(playStreamId, newOptions));
channel.write(Control.setBuffer(playStreamId, 0));
return;
} else if (publishStreamId == -1) {
publishStreamId = ((Double) command.getArg(0)).intValue();
log.debug("publishStreamId to use: {}", publishStreamId);
ClientOptions newOptions = new ClientOptions();
newOptions.setStreamName(publishName);
newOptions.publishLive();
if (isPublishEnabled()) {
RtmpReader reader;
if(options.getFileToPublish() != null) {
reader = RtmpPublisher.getReader(options.getFileToPublish());
} else {
reader = options.getReaderToPublish();
}
if(options.getLoop() > 1) {
reader = new LoopedReader(reader, options.getLoop());
}
publisher = new RtmpPublisher(reader, publishStreamId, options.getBuffer(), false, false) {
@Override protected RtmpMessage[] getStopMessages(long timePosition) {
return new RtmpMessage[]{Command.unpublish(publishStreamId)};
}
};
newOptions.setLoop(options.getLoop());
newOptions.setReaderToPublish(options.getReaderToPublish());
}
channel.write(Command.publish(publishStreamId, holdChannel(publishStreamId), newOptions));
return;
}
} else if (onCall(resultFor, command)) {
return;
} else {
log.info("ignoring result: {}", command);
}
}
@Override
protected void onCommandCustom(Channel channel, Command command, String name) {
if (name.equals("successfullyJoinedVoiceConferenceCallback")) {
onSuccessfullyJoined(command);
writeCommandExpectingResult(channel, Command.createStream());
writeCommandExpectingResult(channel, Command.createStream());
} else if (name.equals("disconnectedFromJoinVoiceConferenceCallback")) {
onDisconnectedFromJoin(command);
channel.close();
} else if (name.equals("failedToJoinVoiceConferenceCallback")) {
onFailedToJoin(command);
channel.close();
}
}
private boolean isPublishEnabled() {
return options.getReaderToPublish() != null;
}
private void onFailedToJoin(Command command) {
// TODO Auto-generated method stub
}
/*
* 14:42:18,175 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [STRING disconnectedFromJoinVoiceConferenceCallback]
* 14:42:18,175 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [NUMBER 4.0]
* 14:42:18,175 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [NULL null]
* 14:42:18,176 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [STRING onUaCallClosed]
* 14:42:18,176 [New I/O client worker #2-1] DEBUG [org.mconf.bbb.phone.VoiceConnection] - server command: disconnectedFromJoinVoiceConferenceCallback
*/
private void onDisconnectedFromJoin(Command command) {
@SuppressWarnings("unused")
String message = (String) command.getArg(0);
}
/*
* 14:27:38,282 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [STRING successfullyJoinedVoiceConferenceCallback]
* 14:27:38,282 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [NUMBER 3.0]
* 14:27:38,282 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [NULL null]
* 14:27:38,282 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [STRING microphone_1322327135253]
* 14:27:38,282 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [STRING speaker_1322327135251]
* 14:27:38,282 [New I/O client worker #2-1] DEBUG [com.flazr.amf.Amf0Value] - << [STRING SPEEX]
* 14:27:38,282 [New I/O client worker #2-1] DEBUG [org.mconf.bbb.phone.VoiceConnection] - server command: successfullyJoinedVoiceConferenceCallback
*/
private void onSuccessfullyJoined(Command command) {
publishName = (String) command.getArg(0);
playName = (String) command.getArg(1);
codec = (String) command.getArg(2);
}
abstract protected void onAudio(Audio audio);
}