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package com.thomsonreuters.upa.valueadd.examples.consumer;
// APIQA:
import java.nio.ByteBuffer;
import com.thomsonreuters.upa.codec.Buffer;
import com.thomsonreuters.upa.codec.CodecFactory;
// END APIQA:
import com.thomsonreuters.upa.codec.CodecReturnCodes;
import com.thomsonreuters.upa.codec.DataStates;
import com.thomsonreuters.upa.codec.DataTypes;
//APIQA:
import com.thomsonreuters.upa.codec.GenericMsg;
import com.thomsonreuters.upa.codec.MsgClasses;
//END APIQA:
import com.thomsonreuters.upa.codec.State;
import com.thomsonreuters.upa.codec.StreamStates;
import com.thomsonreuters.upa.rdm.ClassesOfService;
//APIQA:
//import com.thomsonreuters.upa.transport.TransportBuffer;
//END APIQA:
import com.thomsonreuters.upa.valueadd.reactor.ReactorCallbackReturnCodes;
import com.thomsonreuters.upa.valueadd.reactor.ReactorChannel;
import com.thomsonreuters.upa.valueadd.reactor.ReactorErrorInfo;
import com.thomsonreuters.upa.valueadd.reactor.ReactorFactory;
import com.thomsonreuters.upa.valueadd.reactor.ReactorReturnCodes;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamDefaultMsgCallback;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamMsgEvent;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamOpenOptions;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamStatusEvent;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamStatusEventCallback;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamSubmitOptions;
/**
* This is the tunnel stream handler for the UPA Value Add consumer application. It sends and receives
* basic text messages over a tunnel stream. It only supports one ReactorChannel/TunnelStream.
*/
public class TunnelStreamHandler implements TunnelStreamStatusEventCallback, TunnelStreamDefaultMsgCallback
{
final static int TUNNEL_STREAM_STREAM_ID = 1001;
final static int TUNNEL_SEND_FREQUENCY = 1;
private int _serviceId;
private TunnelStreamOpenOptions _tunnelStreamOpenOptions = ReactorFactory.createTunnelStreamOpenOptions();
ChannelInfo _chnlInfo;
private ReactorErrorInfo _errorInfo = ReactorFactory.createReactorErrorInfo();
private long _nextSubmitMsgTime;
private TunnelStreamSubmitOptions _tunnelStreamSubmitOptions = ReactorFactory.createTunnelStreamSubmitOptions();
private int _msgCount;
private boolean _finalStatusEvent;
private boolean _tunnelAuth;
private int _tunnelDomain;
// APIQA: message size
private int _tunnelMsgSize;
// END APIQA:
public TunnelStreamHandler(boolean tunnelAuth, int tunnelDomain)
{
_tunnelAuth = tunnelAuth;
_tunnelDomain = tunnelDomain;
}
// APIQA: set message size
public void setTunnelMsgSize(int tunnelMsgSize)
{
_tunnelMsgSize = tunnelMsgSize;
}
// END APIQA:
/*
* Used by the Consumer to open a tunnel stream once the Consumer's channel
* is opened and the desired service identified.
*/
public int openStream(ChannelInfo chnlInfo, ReactorErrorInfo errorInfo)
{
int ret;
_serviceId = chnlInfo.tsServiceInfo.serviceId();
_tunnelStreamOpenOptions.clear();
_tunnelStreamOpenOptions.name("BasicTunnelStream");
_tunnelStreamOpenOptions.classOfService().flowControl().type(ClassesOfService.FlowControlTypes.BIDIRECTIONAL);
_tunnelStreamOpenOptions.classOfService().dataIntegrity().type(ClassesOfService.DataIntegrityTypes.RELIABLE);
_tunnelStreamOpenOptions.streamId(TUNNEL_STREAM_STREAM_ID);
_tunnelStreamOpenOptions.domainType(_tunnelDomain);
_tunnelStreamOpenOptions.serviceId(_serviceId);
_tunnelStreamOpenOptions.defaultMsgCallback(this);
_tunnelStreamOpenOptions.statusEventCallback(this);
if (_tunnelAuth)
_tunnelStreamOpenOptions.classOfService().authentication().type(ClassesOfService.AuthenticationTypes.OMM_LOGIN);
if ((ret = chnlInfo.reactorChannel.openTunnelStream(_tunnelStreamOpenOptions, errorInfo)) != ReactorReturnCodes.SUCCESS)
{
System.out.println("ReactorChannel.openTunnelStream() failed: " + CodecReturnCodes.toString(ret)
+ "(" + errorInfo.error().text() + ")");
}
chnlInfo.tunnelStreamOpenSent = true;
_chnlInfo = chnlInfo;
return ReactorReturnCodes.SUCCESS;
}
/*
* Used by the Consumer to close any tunnel streams it opened
* for the reactor channel.
*/
public int closeStreams(ChannelInfo chnlInfo, boolean finalStatusEvent, ReactorErrorInfo errorInfo)
{
int ret;
_finalStatusEvent = finalStatusEvent;
if (chnlInfo.tunnelStream == null)
return ReactorReturnCodes.SUCCESS;
if ((ret = chnlInfo.tunnelStream.close(finalStatusEvent, errorInfo)) < ReactorReturnCodes.SUCCESS)
{
System.out.println("TunnelStream.close() failed with return code: " + ret);
return ReactorCallbackReturnCodes.SUCCESS;
}
if (!finalStatusEvent)
{
chnlInfo.tunnelStreamOpenSent = false;
chnlInfo.tunnelStream = null;
}
return ReactorReturnCodes.SUCCESS;
}
/*
* Encode and send a basic text messages over a tunnel stream.
*/
public void sendMsg(ReactorChannel reactorChannel)
{
long currentTime = System.currentTimeMillis();
int ret;
if (currentTime < _nextSubmitMsgTime)
{
return;
}
_nextSubmitMsgTime = currentTime + TUNNEL_SEND_FREQUENCY * 1000;
if (_chnlInfo != null && _chnlInfo.tunnelStream != null && _chnlInfo.isTunnelStreamUp)
{
// get buffer to encode message into
// APIQA: create a generic message and buffer for data body
// TransportBuffer buffer = _chnlInfo.tunnelStream.getBuffer(1024,
// _errorInfo);
GenericMsg genericMsg = (GenericMsg)CodecFactory.createMsg();
Buffer buffer = CodecFactory.createBuffer();
if (_tunnelMsgSize < 10)
{
System.out.println("msgSize must be greater than 10");
System.exit(-1);
}
buffer.data(ByteBuffer.allocate(_tunnelMsgSize - 10));
// END APIQA:
// put basic text message in buffer
// APIQA: Fill in buffer for data body with values 0 to 255 and
// repeat
// buffer.data().put(new String("TunnelStream message " +
// ++_msgCount).getBytes());
for (int i = 0, b = 0; i < _tunnelMsgSize - 10; i++)
{
if (b == 256)
{
b = 0;
}
buffer.data().put((byte)b++);
}
// END APIQA:
// APIQA: Intialize generic message and set buffer as data body
genericMsg.clear();
genericMsg.msgClass(MsgClasses.GENERIC);
genericMsg.streamId(_chnlInfo.tunnelStream.streamId());
genericMsg.domainType(_chnlInfo.tunnelStream.domainType());
genericMsg.containerType(DataTypes.OPAQUE);
genericMsg.encodedDataBody(buffer);
// END APIQA:
// submit the encoded data buffer to the tunnel stream
// APIQA: submit generic message to the tunnel stream
// _tunnelStreamSubmitOptions.clear();
// _tunnelStreamSubmitOptions.containerType(DataTypes.OPAQUE);
// if ((ret = _chnlInfo.tunnelStream.submit(buffer,
// _tunnelStreamSubmitOptions, _errorInfo)) <
// ReactorReturnCodes.SUCCESS)
if ((ret = _chnlInfo.tunnelStream.submit(genericMsg, _errorInfo)) < ReactorReturnCodes.SUCCESS)
// END APIQA:
{
System.out.println("TunnelStream.submit() failed: " + CodecReturnCodes.toString(ret) + "(" + _errorInfo.error().text() + ")");
// APIQA: release buffer not necessary since not submitting
// buffer
// _chnlInfo.tunnelStream.releaseBuffer(buffer, _errorInfo);
// END APIQA:
return;
}
}
}
@Override
public int defaultMsgCallback(TunnelStreamMsgEvent event)
{
if (event.containerType() == DataTypes.OPAQUE)
{
byte[] msgBytes = new byte[event.transportBuffer().length()];
event.transportBuffer().data().get(msgBytes);
String msgString = new String(msgBytes);
System.out.println("Consumer TunnelStreamHandler received OPAQUE data: " + msgString + "\n");
}
// APIQA: handle message as well as opaque
else if (event.containerType() == DataTypes.MSG)
{
System.out.println("Consumer TunnelStreamHandler received MSG data: " + event.msg().encodedDataBody().toString() + "\n");
}
else
// not opaque data or message
// else // not opaque data
// END APIQA:
{
System.out.println("TunnelStreamHandler received unsupported container type");
}
return ReactorCallbackReturnCodes.SUCCESS;
}
/* Process a tunnel stream status event for the TunnelStreamHandler. */
@Override
public int statusEventCallback(TunnelStreamStatusEvent event)
{
State state = event.state();
int ret;
System.out.println("Received TunnelStreamStatusEvent for Stream ID " + event.tunnelStream().streamId() + " with " + state + "\n");
switch (state.streamState())
{
case StreamStates.OPEN:
if (state.dataState() == DataStates.OK && _chnlInfo.tunnelStream == null)
{
// Stream is open and ready for use.
// Add it to our ChannelInfo
_chnlInfo.tunnelStream = event.tunnelStream();
_chnlInfo.isTunnelStreamUp = true;
}
break;
case StreamStates.CLOSED_RECOVER:
case StreamStates.CLOSED:
default:
// For other stream states such as Closed & ClosedRecover, close the tunnel stream.
if ((ret = event.tunnelStream().close(_finalStatusEvent, _errorInfo)) < ReactorReturnCodes.SUCCESS)
{
System.out.println("Failed to close TunnelStream:"
+ ReactorReturnCodes.toString(ret) + "(" + _errorInfo.error().text() + ")");
}
// Remove our tunnel information if the tunnel was open.
_chnlInfo.tunnelStreamOpenSent = false;
_chnlInfo.tunnelStream = null;
_chnlInfo.isTunnelStreamUp = false;
// reset message count
_msgCount = 0;
break;
}
return ReactorCallbackReturnCodes.SUCCESS;
}
}
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