/*
* Flazr <http://flazr.com> Copyright (C) 2009 Peter Thomas.
*
* This file is part of Flazr.
*
* Flazr 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.
*
* Flazr 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 Flazr. If not, see <http://www.gnu.org/licenses/>.
*/
package com.flazr.rtmp.message;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import org.jboss.netty.buffer.ChannelBuffer;
import com.flazr.amf.Amf0Object;
import com.flazr.rtmp.RtmpHeader;
import com.flazr.rtmp.client.ClientOptions;
public abstract class Command extends AbstractMessage {
protected String name;
protected int transactionId;
protected Amf0Object object;
protected Object[] args;
public Command(RtmpHeader header, ChannelBuffer in) {
super(header, in);
}
public Command(int transactionId, String name, Amf0Object object, Object ... args) {
this.transactionId = transactionId;
this.name = name;
this.object = object;
this.args = args;
}
public Command(String name, Amf0Object object, Object ... args) {
this(0, name, object, args);
}
public Amf0Object getObject() {
return object;
}
public Object getArg(int index) {
return args[index];
}
public int getArgCount() {
if(args == null) {
return 0;
}
return args.length;
}
//==========================================================================
public static enum OnStatus {
ERROR, STATUS, WARNING;
public static OnStatus parse(final String raw) {
return OnStatus.valueOf(raw.substring(1).toUpperCase());
}
public String asString() {
return "_" + this.name().toLowerCase();
}
}
private static Amf0Object onStatus(final OnStatus level, final String code,
final String description, final String details, final Pair ... pairs) {
final Amf0Object object = object(
pair("level", level.asString()),
pair("code", code));
if(description != null) {
object.put("description", description);
}
if(details != null) {
object.put("details", details);
}
return object(object, pairs);
}
private static Amf0Object onStatus(final OnStatus level, final String code,
final String description, final Pair ... pairs) {
return onStatus(level, code, description, null, pairs);
}
public static Amf0Object onStatus(final OnStatus level, final String code, final Pair ... pairs) {
return onStatus(level, code, null, null, pairs);
}
//==========================================================================
public static Command connect(ClientOptions options) {
Amf0Object object = object(
AbstractMessage.pair("app", options.getAppName()),
AbstractMessage.pair("flashVer", "LNX 11,1,102,55"),
AbstractMessage.pair("tcUrl", options.getTcUrl()),
AbstractMessage.pair("fpad", false),
AbstractMessage.pair("capabilities", 239.0),
AbstractMessage.pair("audioCodecs", 3575.0),
AbstractMessage.pair("videoCodecs", 252.0),
AbstractMessage.pair("videoFunction", 1.0),
AbstractMessage.pair("objectEncoding", 0.0));
if(options.getParams() != null) {
object.putAll(options.getParams());
}
return new CommandAmf0("connect", object, options.getArgs());
}
public static Command connectSuccess(int transactionId) {
Map<String, Object> object = onStatus(OnStatus.STATUS,
"NetConnection.Connect.Success", "Connection succeeded.",
pair("fmsVer", "FMS/3,5,1,516"),
pair("capabilities", 31.0),
pair("mode", 1.0),
pair("objectEncoding", 0.0));
return new CommandAmf0(transactionId, "_result", null, object);
}
public static Command createStream() {
return new CommandAmf0("createStream", null);
}
public static Command onBWDone() {
return new CommandAmf0("onBWDone", null);
}
public static Command createStreamSuccess(int transactionId, int streamId) {
return new CommandAmf0(transactionId, "_result", null, streamId);
}
public static Command play(int streamId, ClientOptions options) {
final List<Object> playArgs = new ArrayList<Object>();
playArgs.add(options.getStreamName());
if(options.getStart() != -2 || options.getArgs() != null) {
playArgs.add(options.getStart());
}
if(options.getLength() != -1 || options.getArgs() != null) {
playArgs.add(options.getLength());
}
if(options.getArgs() != null) {
playArgs.addAll(Arrays.asList(options.getArgs()));
}
Command command = new CommandAmf0("play", null, playArgs.toArray());
command.header.setChannelId(8);
command.header.setStreamId(streamId);
return command;
}
private static Command playStatus(String code, String description, String playName, String clientId, Pair ... pairs) {
Amf0Object status = onStatus(OnStatus.STATUS,
"NetStream.Play." + code, description + " " + playName + ".",
pair("details", playName),
pair("clientid", clientId));
object(status, pairs);
Command command = new CommandAmf0("onStatus", null, status);
command.header.setChannelId(5);
return command;
}
public static Command playReset(String playName, String clientId) {
Command command = playStatus("Reset", "Playing and resetting", playName, clientId);
command.header.setChannelId(4); // ?
return command;
}
public static Command playStart(String playName, String clientId) {
Command play = playStatus("Start", "Started playing", playName, clientId);
return play;
}
public static Command playStop(String playName, String clientId) {
return playStatus("Stop", "Stopped playing", playName, clientId);
}
public static Command playFailed(String playName, String clientId) {
Amf0Object status = onStatus(OnStatus.ERROR,
"NetStream.Play.Failed", "Stream not found");
Command command = new CommandAmf0("onStatus", null, status);
command.header.setChannelId(8);
return command;
}
public static Command seekNotify(int streamId, int seekTime, String playName, String clientId) {
Amf0Object status = onStatus(OnStatus.STATUS,
"NetStream.Seek.Notify", "Seeking " + seekTime + " (stream ID: " + streamId + ").",
pair("details", playName),
pair("clientid", clientId));
Command command = new CommandAmf0("onStatus", null, status);
command.header.setChannelId(5);
command.header.setStreamId(streamId);
command.header.setTime(seekTime);
return command;
}
public static Command pauseNotify(String playName, String clientId) {
Amf0Object status = onStatus(OnStatus.STATUS,
"NetStream.Pause.Notify", "Pausing " + playName,
pair("details", playName),
pair("clientid", clientId));
Command command = new CommandAmf0("onStatus", null, status);
command.header.setChannelId(5);
return command;
}
public static Command unpauseNotify(String playName, String clientId) {
Amf0Object status = onStatus(OnStatus.STATUS,
"NetStream.Unpause.Notify", "Unpausing " + playName,
pair("details", playName),
pair("clientid", clientId));
Command command = new CommandAmf0("onStatus", null, status);
command.header.setChannelId(5);
return command;
}
public static Command publish(int streamId, int channelId, ClientOptions options) { // TODO
Command command = new CommandAmf0("publish", null, options.getStreamName(),
options.getPublishType().asString());
command.header.setChannelId(channelId);
command.header.setStreamId(streamId);
return command;
}
private static Command publishStatus(String code, String streamName, String clientId, Pair ... pairs) {
Amf0Object status = onStatus(OnStatus.STATUS,
code, null, streamName,
pair("details", streamName),
pair("clientid", clientId));
object(status, pairs);
Command command = new CommandAmf0("onStatus", null, status);
command.header.setChannelId(8);
return command;
}
public static Command publishStart(String streamName, String clientId, int streamId) {
return publishStatus("NetStream.Publish.Start", streamName, clientId);
}
public static Command unpublishSuccess(String streamName, String clientId, int streamId) {
return publishStatus("NetStream.Unpublish.Success", streamName, clientId);
}
public static Command unpublish(int streamId) {
Command command = new CommandAmf0("publish", null, false);
command.header.setChannelId(8);
command.header.setStreamId(streamId);
return command;
}
public static Command publishBadName(int streamId) {
Command command = new CommandAmf0("onStatus", null,
onStatus(OnStatus.ERROR, "NetStream.Publish.BadName", "Stream already exists."));
command.header.setChannelId(8);
command.header.setStreamId(streamId);
return command;
}
public static Command publishNotify(int streamId) {
Command command = new CommandAmf0("onStatus", null,
onStatus(OnStatus.STATUS, "NetStream.Play.PublishNotify"));
command.header.setChannelId(8);
command.header.setStreamId(streamId);
return command;
}
public static Command unpublishNotify(int streamId) {
Command command = new CommandAmf0("onStatus", null,
onStatus(OnStatus.STATUS, "NetStream.Play.UnpublishNotify"));
command.header.setChannelId(8);
command.header.setStreamId(streamId);
return command;
}
public static Command closeStream(int streamId) {
Command command = new CommandAmf0("closeStream", null);
command.header.setChannelId(8);
command.header.setStreamId(streamId);
return command;
}
//==========================================================================
public String getName() {
return name;
}
public int getTransactionId() {
return transactionId;
}
public void setTransactionId(int transactionId) {
this.transactionId = transactionId;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append(super.toString());
sb.append("name: ").append(name);
sb.append(", transactionId: ").append(transactionId);
sb.append(", object: ").append(object);
sb.append(", args: ").append(Arrays.toString(args));
return sb.toString();
}
}