mirror of
https://github.com/DSheirer/sdrtrunk.git
synced 2026-11-12 08:37:25 -05:00
331 lines
13 KiB
Java
331 lines
13 KiB
Java
/*******************************************************************************
|
|
* sdrtrunk
|
|
* Copyright (C) 2014-2016 Dennis Sheirer
|
|
*
|
|
* This program 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 program 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, see <http://www.gnu.org/licenses/>
|
|
*
|
|
******************************************************************************/
|
|
package audio.broadcast.icecast;
|
|
|
|
import audio.broadcast.BroadcastState;
|
|
import audio.convert.MP3AudioConverter;
|
|
import org.apache.mina.core.RuntimeIoException;
|
|
import org.apache.mina.core.buffer.IoBuffer;
|
|
import org.apache.mina.core.future.ConnectFuture;
|
|
import org.apache.mina.core.service.IoHandlerAdapter;
|
|
import org.apache.mina.core.session.IoSession;
|
|
import org.apache.mina.filter.codec.ProtocolDecoderException;
|
|
import org.apache.mina.http.HttpClientCodec;
|
|
import org.apache.mina.http.HttpException;
|
|
import org.apache.mina.http.HttpRequestImpl;
|
|
import org.apache.mina.http.api.DefaultHttpResponse;
|
|
import org.apache.mina.http.api.HttpMethod;
|
|
import org.apache.mina.http.api.HttpStatus;
|
|
import org.apache.mina.http.api.HttpVersion;
|
|
import org.apache.mina.transport.socket.nio.NioSocketConnector;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
import properties.SystemProperties;
|
|
import util.ThreadPool;
|
|
|
|
import java.net.ConnectException;
|
|
import java.net.InetSocketAddress;
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
import java.util.concurrent.TimeUnit;
|
|
import java.util.concurrent.atomic.AtomicBoolean;
|
|
|
|
public class IcecastHTTPAudioBroadcaster extends IcecastAudioBroadcaster
|
|
{
|
|
private static final Logger mLog = LoggerFactory.getLogger(IcecastHTTPAudioBroadcaster.class);
|
|
private static final long RECONNECT_INTERVAL_MILLISECONDS = 30000; //30 seconds
|
|
|
|
private NioSocketConnector mSocketConnector;
|
|
private IoSession mStreamingSession = null;
|
|
private Map<String,String> mHTTPHeaders;
|
|
|
|
private long mLastConnectionAttempt = 0;
|
|
private AtomicBoolean mConnecting = new AtomicBoolean();
|
|
|
|
/**
|
|
* Creates an Icecast 2.4.x compatible broadcaster using HTTP 1.1 protocol. This broadcaster is
|
|
* compatible with Icecast version 2.4.x and newer versions of the server software.
|
|
*
|
|
* Note: use @see IcecastTCPAudioBroadcaster for Icecast version 2.3.x and older.
|
|
*
|
|
* This broadcaster uses the Apache Mina library for the streaming socket connection and for metadata updates. The
|
|
* IcecastHTTPIOHandler manages all interaction with the Icecast server and manages the overall broadcast state.
|
|
*
|
|
* @param configuration for the Icecast stream
|
|
*/
|
|
public IcecastHTTPAudioBroadcaster(IcecastHTTPConfiguration configuration)
|
|
{
|
|
super(configuration);
|
|
}
|
|
|
|
/**
|
|
* Broadcasts the audio frame or sequence
|
|
*/
|
|
@Override
|
|
protected void broadcastAudio(byte[] audio)
|
|
{
|
|
if(audio != null && audio.length > 0 && connect() && mStreamingSession != null && mStreamingSession.isConnected())
|
|
{
|
|
IoBuffer buffer = IoBuffer.allocate(audio.length);
|
|
buffer.put(audio);
|
|
buffer.flip();
|
|
|
|
mStreamingSession.write(buffer);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* (Re)Connects the broadcaster to the remote server if it currently is disconnected and indicates if the broadcaster
|
|
* is currently connected to the remote server following any connection attempts.
|
|
*
|
|
* Attempts to connect via this method when the broadcast state indicates an error condition will be ignored.
|
|
*
|
|
* @return true if the audio handler can stream audio
|
|
*/
|
|
private boolean connect()
|
|
{
|
|
if(!connected() && canConnect() &&
|
|
(mLastConnectionAttempt + RECONNECT_INTERVAL_MILLISECONDS < System.currentTimeMillis()) &&
|
|
mConnecting.compareAndSet(false, true))
|
|
{
|
|
mLastConnectionAttempt = System.currentTimeMillis();
|
|
|
|
if(mSocketConnector == null)
|
|
{
|
|
mSocketConnector = new NioSocketConnector();
|
|
mSocketConnector.setConnectTimeoutCheckInterval(10000);
|
|
|
|
// mSocketConnector.getFilterChain().addLast("logger",
|
|
// new LoggingFilter(IcecastTCPAudioBroadcaster.class));
|
|
|
|
mSocketConnector.getFilterChain().addLast("codec", new HttpClientCodec());
|
|
mSocketConnector.setHandler(new IcecastHTTPIOHandler());
|
|
}
|
|
|
|
mStreamingSession = null;
|
|
|
|
Runnable runnable = new Runnable()
|
|
{
|
|
@Override
|
|
public void run()
|
|
{
|
|
setBroadcastState(BroadcastState.CONNECTING);
|
|
|
|
try
|
|
{
|
|
ConnectFuture future = mSocketConnector
|
|
.connect(new InetSocketAddress(getBroadcastConfiguration().getHost(),
|
|
getBroadcastConfiguration().getPort()));
|
|
future.awaitUninterruptibly();
|
|
mStreamingSession = future.getSession();
|
|
}
|
|
catch(RuntimeIoException rie)
|
|
{
|
|
Throwable throwableCause = rie.getCause();
|
|
|
|
if(throwableCause instanceof ConnectException)
|
|
{
|
|
setBroadcastState(BroadcastState.NO_SERVER);
|
|
}
|
|
else if(throwableCause != null)
|
|
{
|
|
setBroadcastState(BroadcastState.ERROR);
|
|
mLog.debug("Failed to connect", rie);
|
|
}
|
|
else
|
|
{
|
|
setBroadcastState(BroadcastState.ERROR);
|
|
mLog.debug("Failed to connect - no exception is available");
|
|
}
|
|
|
|
disconnect();
|
|
}
|
|
|
|
mConnecting.set(false);
|
|
}
|
|
};
|
|
|
|
ThreadPool.SCHEDULED.schedule(runnable, 0l, TimeUnit.SECONDS);
|
|
|
|
}
|
|
|
|
return connected();
|
|
}
|
|
|
|
|
|
/**
|
|
* Disconnect from the remote broadcast server and cleanup input/output streams and socket connection
|
|
*/
|
|
public void disconnect()
|
|
{
|
|
if(mStreamingSession != null)
|
|
{
|
|
mStreamingSession.closeNow();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* IO Handler for managing Icecast HTTP connection and credentials
|
|
*/
|
|
public class IcecastHTTPIOHandler extends IoHandlerAdapter
|
|
{
|
|
@Override
|
|
public void sessionOpened(IoSession session) throws Exception
|
|
{
|
|
//Send stream configuration and user credentials upon connecting to remote server
|
|
HttpRequestImpl request = new HttpRequestImpl(HttpVersion.HTTP_1_1, HttpMethod.PUT,
|
|
getConfiguration().getMountPoint(), "", getHTTPHeaders());
|
|
|
|
session.write(request);
|
|
}
|
|
|
|
private Map<String,String> getHTTPHeaders()
|
|
{
|
|
if(mHTTPHeaders == null)
|
|
{
|
|
mHTTPHeaders = new HashMap<>();
|
|
mHTTPHeaders.put(IcecastHeader.ACCEPT.getValue(), "*/*");
|
|
mHTTPHeaders.put(IcecastHeader.CONTENT_TYPE.getValue(), getConfiguration().getBroadcastFormat().getValue());
|
|
mHTTPHeaders.put(IcecastHeader.USER_AGENT.getValue(), SystemProperties.getInstance().getApplicationName());
|
|
mHTTPHeaders.put(IcecastHeader.AUTHORIZATION.getValue(), getConfiguration().getBase64EncodedCredentials());
|
|
mHTTPHeaders.put(IcecastHeader.PUBLIC.getValue(), getConfiguration().isPublic() ? "1" : "0");
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
sb.append("samplerate=").append(getConfiguration().getSampleRate()).append(";");
|
|
sb.append("quality=").append(MP3AudioConverter.AUDIO_QUALITY).append(";");
|
|
sb.append("channels=").append(getConfiguration().getChannels());
|
|
mHTTPHeaders.put(IcecastHeader.AUDIO_INFO.getValue(), sb.toString());
|
|
|
|
if(getConfiguration().hasName())
|
|
{
|
|
mHTTPHeaders.put(IcecastHeader.NAME.getValue(), getConfiguration().getName());
|
|
}
|
|
|
|
if(getConfiguration().hasDescription())
|
|
{
|
|
mHTTPHeaders.put(IcecastHeader.DESCRIPTION.getValue(), getConfiguration().getDescription());
|
|
}
|
|
|
|
if(getConfiguration().hasURL())
|
|
{
|
|
mHTTPHeaders.put(IcecastHeader.URL.getValue(), getConfiguration().getURL());
|
|
}
|
|
|
|
if(getConfiguration().hasGenre())
|
|
{
|
|
mHTTPHeaders.put(IcecastHeader.GENRE.getValue(), getConfiguration().getGenre());
|
|
}
|
|
|
|
|
|
if(getConfiguration().hasBitRate())
|
|
{
|
|
mHTTPHeaders.put(IcecastHeader.BITRATE.getValue(), String.valueOf(getConfiguration().getBitRate()));
|
|
}
|
|
}
|
|
|
|
return mHTTPHeaders;
|
|
}
|
|
|
|
@Override
|
|
public void sessionClosed(IoSession session) throws Exception
|
|
{
|
|
//If there is already an error state, don't override it. Otherwise, set state to disconnected
|
|
if(!getBroadcastState().isErrorState())
|
|
{
|
|
setBroadcastState(BroadcastState.DISCONNECTED);
|
|
}
|
|
|
|
mSocketConnector.dispose();
|
|
mStreamingSession = null;
|
|
mSocketConnector = null;
|
|
|
|
mConnecting.set(false);
|
|
|
|
super.sessionClosed(session);
|
|
}
|
|
|
|
@Override
|
|
public void exceptionCaught(IoSession session, Throwable throwable) throws Exception
|
|
{
|
|
if(throwable instanceof ProtocolDecoderException)
|
|
{
|
|
Throwable cause = ((ProtocolDecoderException) throwable).getCause();
|
|
|
|
if(cause instanceof HttpException &&
|
|
((HttpException) cause).getStatusCode() == HttpStatus.CLIENT_ERROR_LENGTH_REQUIRED.code())
|
|
{
|
|
//Ignore - Icecast 2.4 sometimes doesn't send any headers with their HTTP responses. Mina expects a
|
|
//content-length for HTTP responses.
|
|
}
|
|
else
|
|
{
|
|
mLog.error("HTTP protocol decoder error", throwable);
|
|
setBroadcastState(BroadcastState.TEMPORARY_BROADCAST_ERROR);
|
|
disconnect();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mLog.error("Broadcast error", throwable);
|
|
setBroadcastState(BroadcastState.TEMPORARY_BROADCAST_ERROR);
|
|
disconnect();
|
|
}
|
|
|
|
mConnecting.set(false);
|
|
}
|
|
|
|
@Override
|
|
public void messageReceived(IoSession session, Object object) throws Exception
|
|
{
|
|
if(object instanceof DefaultHttpResponse)
|
|
{
|
|
DefaultHttpResponse response = (DefaultHttpResponse) object;
|
|
|
|
switch(response.getStatus())
|
|
{
|
|
case INFORMATIONAL_CONTINUE:
|
|
break;
|
|
case SUCCESS_OK:
|
|
setBroadcastState(BroadcastState.CONNECTED);
|
|
mConnecting.set(false);
|
|
break;
|
|
case CLIENT_ERROR_UNAUTHORIZED:
|
|
setBroadcastState(BroadcastState.INVALID_CREDENTIALS);
|
|
disconnect();
|
|
break;
|
|
case CLIENT_ERROR_FORBIDDEN:
|
|
setBroadcastState(BroadcastState.CONFIGURATION_ERROR);
|
|
disconnect();
|
|
break;
|
|
default:
|
|
setBroadcastState(BroadcastState.ERROR);
|
|
disconnect();
|
|
mLog.debug("Unspecified error: " + response.toString() + " Class:" + object.getClass());
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mLog.error("Icecast HTTP broadcaster - unrecognized message [ " + object.getClass() +
|
|
"] received:" + object.toString());
|
|
}
|
|
}
|
|
}
|
|
}
|