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package com.thomsonreuters.upa.valueadd.examples.provider;
// APIQA
import com.thomsonreuters.upa.codec.Buffer;
// END APIQA:
import com.thomsonreuters.upa.codec.CodecFactory;
import com.thomsonreuters.upa.codec.CodecReturnCodes;
import com.thomsonreuters.upa.codec.DataStates;
import com.thomsonreuters.upa.codec.DataTypes;
import com.thomsonreuters.upa.codec.DecodeIterator;
import com.thomsonreuters.upa.codec.EncodeIterator;
// APIQA
import com.thomsonreuters.upa.codec.GenericMsg;
import com.thomsonreuters.upa.codec.RefreshMsg;
// END APIQA:
import com.thomsonreuters.upa.codec.Msg;
import com.thomsonreuters.upa.codec.MsgClasses;
import com.thomsonreuters.upa.codec.State;
import com.thomsonreuters.upa.codec.StateCodes;
import com.thomsonreuters.upa.codec.StreamStates;
import com.thomsonreuters.upa.rdm.ClassesOfService;
import com.thomsonreuters.upa.rdm.DomainTypes;
import com.thomsonreuters.upa.rdm.Login;
import com.thomsonreuters.upa.transport.TransportBuffer;
import com.thomsonreuters.upa.valueadd.domainrep.rdm.login.LoginMsgFactory;
import com.thomsonreuters.upa.valueadd.domainrep.rdm.login.LoginMsgType;
import com.thomsonreuters.upa.valueadd.domainrep.rdm.login.LoginRefresh;
import com.thomsonreuters.upa.valueadd.domainrep.rdm.login.LoginRequest;
import com.thomsonreuters.upa.valueadd.reactor.ClassOfService;
import com.thomsonreuters.upa.valueadd.reactor.ReactorCallbackReturnCodes;
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.TunnelStream;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamAcceptOptions;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamDefaultMsgCallback;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamMsgEvent;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamRejectOptions;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamRequestEvent;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamStatusEvent;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamStatusEventCallback;
import com.thomsonreuters.upa.valueadd.reactor.TunnelStreamSubmitOptions;
/* Handles TunnelStream connections for the VA Provider. */
class TunnelStreamHandler implements TunnelStreamStatusEventCallback, TunnelStreamDefaultMsgCallback
{
TunnelStream _tunnelStream;
private TunnelStreamAcceptOptions _tunnelStreamAcceptOptions = ReactorFactory.createTunnelStreamAcceptOptions();
private TunnelStreamRejectOptions _tunnelStreamRejectOptions = ReactorFactory.createTunnelStreamRejectOptions();
private ClassOfService _expectedClassOfService = ReactorFactory.createClassOfService();
private DecodeIterator _decodeIter = CodecFactory.createDecodeIterator();
private EncodeIterator _encodeIter = CodecFactory.createEncodeIterator();
private Msg _msg = CodecFactory.createMsg();
private LoginRequest _loginRequest = (LoginRequest)LoginMsgFactory.createMsg();
private LoginRefresh _loginRefresh = (LoginRefresh)LoginMsgFactory.createMsg();
private TunnelStreamSubmitOptions _tunnelStreamSubmitOptions = ReactorFactory.createTunnelStreamSubmitOptions();
private boolean _finalStatusEvent;
public TunnelStreamHandler()
{
// set the expected class of service for this provider (use defaults for common properties)
_expectedClassOfService.authentication().type(ClassesOfService.AuthenticationTypes.OMM_LOGIN);
_expectedClassOfService.flowControl().type(ClassesOfService.FlowControlTypes.BIDIRECTIONAL);
_expectedClassOfService.dataIntegrity().type(ClassesOfService.DataIntegrityTypes.RELIABLE);
}
// application id
private static String applicationId = "256";
// application name
private static String applicationName = "UPA TunnelStream Provider";
void processNewStream(TunnelStreamRequestEvent event)
{
int ret;
if (isFilterValid(event.classOfServiceFilter()) && isClassOfServiceValid(event.classOfService()))
{
_tunnelStreamAcceptOptions.clear();
// set class of service to what this provider supports
_tunnelStreamAcceptOptions.classOfService().dataIntegrity().type(ClassesOfService.DataIntegrityTypes.RELIABLE);
_tunnelStreamAcceptOptions.classOfService().flowControl().type((ClassesOfService.FlowControlTypes.BIDIRECTIONAL));
// Set Authentication to match consumer. This provider will perform
// OMM Login authentication if requested.
_tunnelStreamAcceptOptions.classOfService().authentication().type(event.classOfService().authentication().type());
_tunnelStreamAcceptOptions.statusEventCallback(this);
_tunnelStreamAcceptOptions.defaultMsgCallback(this);
if ((ret = event.reactorChannel().acceptTunnelStream(event, _tunnelStreamAcceptOptions, event.errorInfo())) < ReactorReturnCodes.SUCCESS)
{
System.out.println("acceptTunnelStream() failed with return code: " + ret + " <" + event.errorInfo().error().text() + ">");
}
}
else
// invalid tunnel stream request
{
_tunnelStreamRejectOptions.clear();
// Since we're rejecting due to a Class-of-Service mismatch,
// send a redirect to the consumer.
_tunnelStreamRejectOptions.expectedClassOfService(_expectedClassOfService);
_tunnelStreamRejectOptions.state().streamState(StreamStates.REDIRECTED);
_tunnelStreamRejectOptions.state().dataState(DataStates.SUSPECT);
_tunnelStreamRejectOptions.state().code(StateCodes.NONE);
_tunnelStreamRejectOptions.state().text().data("Unsupported TunnelStream class of service");
if ((ret = event.reactorChannel().rejectTunnelStream(event, _tunnelStreamRejectOptions, event.errorInfo())) < ReactorReturnCodes.SUCCESS)
{
System.out.println("rejectTunnelStream() failed with return code: " + ret + " <" + event.errorInfo().error().text() + ">");
}
}
}
private boolean isClassOfServiceValid(ClassOfService classOfService)
{
return (classOfService.common().maxMsgSize() == _expectedClassOfService.common().maxMsgSize()
&& classOfService.common().protocolType() == _expectedClassOfService.common().protocolType()
&& classOfService.common().protocolMajorVersion() == _expectedClassOfService.common().protocolMajorVersion()
&& classOfService.common().protocolMinorVersion() == _expectedClassOfService.common().protocolMinorVersion()
&& (classOfService.authentication().type() == _expectedClassOfService.authentication().type() || classOfService.authentication().type() == ClassesOfService.AuthenticationTypes.NOT_REQUIRED)
&& classOfService.flowControl().type() == _expectedClassOfService.flowControl().type() && classOfService.dataIntegrity().type() == _expectedClassOfService.dataIntegrity().type() && classOfService
.guarantee().type() == _expectedClassOfService.guarantee().type());
}
private boolean isFilterValid(long filter)
{
// this provider must have authentication, flow control and data
// integrity turned on and persistence turned off
return ((filter & ClassesOfService.FilterFlags.FLOW_CONTROL) > 0 && (filter & ClassesOfService.FilterFlags.DATA_INTEGRITY) > 0 && (filter & ClassesOfService.FilterFlags.GUARANTEE) == 0);
}
@Override
public int defaultMsgCallback(TunnelStreamMsgEvent event)
{
int ret;
_decodeIter.clear();
_decodeIter.setBufferAndRWFVersion(event.transportBuffer(), event.tunnelStream().classOfService().common().protocolMajorVersion(), event.tunnelStream().classOfService().common()
.protocolMinorVersion());
if (event.containerType() == DataTypes.MSG)
{
_msg.decode(_decodeIter);
}
// check for login request
if (event.containerType() == DataTypes.MSG && event.tunnelStream().classOfService().authentication().type() == ClassesOfService.AuthenticationTypes.OMM_LOGIN
&& _msg.domainType() == DomainTypes.LOGIN && _msg.msgClass() == MsgClasses.REQUEST)
{
_loginRequest.clear();
_loginRequest.rdmMsgType(LoginMsgType.REQUEST);
_loginRequest.decode(_decodeIter, _msg);
// send login refresh
_loginRefresh.clear();
_loginRefresh.rdmMsgType(LoginMsgType.REFRESH);
_loginRefresh.streamId(_loginRequest.streamId());
_loginRefresh.applyHasUserName();
_loginRefresh.userName().data(_loginRequest.userName().data(), _loginRequest.userName().position(), _loginRequest.userName().length());
_loginRefresh.applyHasUserNameType();
_loginRefresh.userNameType(Login.UserIdTypes.NAME);
_loginRefresh.state().code(StateCodes.NONE);
_loginRefresh.state().dataState(DataStates.OK);
_loginRefresh.state().streamState(StreamStates.OPEN);
_loginRefresh.state().text().data("Login accepted by TunnelStream " + _tunnelStream.name());
_loginRefresh.applySolicited();
_loginRefresh.applyHasAttrib();
_loginRefresh.attrib().applyHasApplicationId();
_loginRefresh.attrib().applicationId().data(applicationId);
_loginRefresh.applyHasAttrib();
_loginRefresh.attrib().applyHasApplicationName();
_loginRefresh.attrib().applicationName().data(applicationName);
if (_loginRequest.checkHasAttrib() && _loginRequest.attrib().checkHasPosition())
{
_loginRefresh.attrib().applyHasPosition();
_loginRefresh.attrib().position().data(_loginRequest.attrib().position().data(), _loginRequest.attrib().position().position(), _loginRequest.attrib().position().length());
}
// this provider does not support
// singleOpen behavior
_loginRefresh.attrib().applyHasSingleOpen();
_loginRefresh.attrib().singleOpen(0);
TransportBuffer buffer = _tunnelStream.getBuffer(1024, event.errorInfo());
if (buffer == null)
{
System.out.println("defaultMsgCallback failed: Unable to get a buffer from TunnelStream <" + event.errorInfo().error().text() + ">");
return ReactorCallbackReturnCodes.SUCCESS;
}
_encodeIter.clear();
ret = _encodeIter.setBufferAndRWFVersion(buffer, event.tunnelStream().classOfService().common().protocolMajorVersion(), event.tunnelStream().classOfService().common()
.protocolMinorVersion());
if (ret != CodecReturnCodes.SUCCESS)
{
System.out.println("EncodeIterator.setBufferAndRWFVersion() failed with return code: " + CodecReturnCodes.toString(ret));
return ReactorCallbackReturnCodes.SUCCESS;
}
ret = _loginRefresh.encode(_encodeIter);
if (ret != CodecReturnCodes.SUCCESS)
{
System.out.println("LoginRefresh.encode() failed with return code: " + CodecReturnCodes.toString(ret));
return ReactorCallbackReturnCodes.SUCCESS;
}
_tunnelStreamSubmitOptions.clear();
_tunnelStreamSubmitOptions.containerType(DataTypes.MSG);
if ((ret = _tunnelStream.submit(buffer, _tunnelStreamSubmitOptions, event.errorInfo())) < ReactorReturnCodes.SUCCESS)
{
System.out.println("TunnelStream.submit() failed : " + CodecReturnCodes.toString(ret) + "(" + event.errorInfo().error().text() + ")");
_tunnelStream.releaseBuffer(buffer, event.errorInfo());
return ReactorCallbackReturnCodes.SUCCESS;
}
System.out.println("Login Refresh sent by Provider TunnelStreamHandler\n");
}
// APIQA
else if (event.containerType() == DataTypes.MSG && _msg.domainType() == DomainTypes.SYSTEM && (_msg.msgClass() == MsgClasses.GENERIC || _msg.msgClass() == MsgClasses.REQUEST))
{
// put buffer into generic message if received message is generic
if (_msg.msgClass() == MsgClasses.GENERIC)
{
boolean testPassed = true;
byte b = 0;
for (int i = event.msg().encodedDataBody().position(); i < event.msg().encodedDataBody().length(); i++, b++)
{
if (b == 256)
{
b = 0;
}
if (event.msg().encodedDataBody().data().get(i) != b)
{
testPassed = false;
break;
}
}
String resultString = testPassed ? "TEST PASSED" : "TEST FAILED";
System.out.println("Provider TunnelStreamHandler received MSG data: " + resultString + "\n");
// get buffer to encode message into
Buffer buffer = CodecFactory.createBuffer();
buffer.data(resultString);
GenericMsg genericMsg = (GenericMsg)CodecFactory.createMsg();
genericMsg.clear();
genericMsg.msgClass(MsgClasses.GENERIC);
genericMsg.streamId(_msg.streamId());
genericMsg.domainType(_msg.domainType());
genericMsg.containerType(DataTypes.OPAQUE);
genericMsg.encodedDataBody(buffer);
// submit the encoded data buffer to the tunnel stream
_tunnelStreamSubmitOptions.clear();
_tunnelStreamSubmitOptions.containerType(DataTypes.OPAQUE);
if ((ret = event.tunnelStream().submit(genericMsg, event.errorInfo())) < ReactorReturnCodes.SUCCESS)
{
System.out.println("TunnelStream.submit() failed: " + CodecReturnCodes.toString(ret) + "(" + event.errorInfo().error().text() + ")");
return ReactorCallbackReturnCodes.SUCCESS;
}
}
else if (_msg.msgClass() == MsgClasses.REQUEST) // just send refresh
// message if
// request
{
RefreshMsg refreshMsg = (RefreshMsg)CodecFactory.createMsg();
refreshMsg.clear();
refreshMsg.msgClass(MsgClasses.REFRESH);
refreshMsg.streamId(_msg.streamId());
refreshMsg.domainType(_msg.domainType());
refreshMsg.containerType(DataTypes.NO_DATA);
refreshMsg.state().streamState(StreamStates.OPEN);
refreshMsg.state().dataState(DataStates.OK);
refreshMsg.state().code(StateCodes.NONE);
refreshMsg.state().text().data("TunnelStream Refresh Complete");
refreshMsg.applyHasMsgKey();
refreshMsg.msgKey().applyHasServiceId();
refreshMsg.msgKey().serviceId(_msg.msgKey().serviceId());
refreshMsg.msgKey().applyHasName();
refreshMsg.msgKey().name(_msg.msgKey().name());
// submit the encoded data buffer to the tunnel stream
_tunnelStreamSubmitOptions.clear();
if ((ret = event.tunnelStream().submit(refreshMsg, event.errorInfo())) < ReactorReturnCodes.SUCCESS)
{
System.out.println("TunnelStream.submit() failed: " + CodecReturnCodes.toString(ret) + "(" + event.errorInfo().error().text() + ")");
return ReactorCallbackReturnCodes.SUCCESS;
}
}
}
// END APIQA:
else if (event.containerType() == DataTypes.OPAQUE)
{
// APIQA
boolean testPassed = true;
byte b = 0;
for (int i = 0; i < event.transportBuffer().length(); i++, b++)
{
if (b == 256)
{
b = 0;
}
if (event.transportBuffer().data().get(i) != b)
{
testPassed = false;
break;
}
}
String resultString = testPassed ? "TEST PASSED" : "TEST FAILED";
System.out.println("Provider TunnelStreamHandler received OPAQUE data: " + resultString + "\n");
// byte[] msgBytes = new byte[event.transportBuffer().length()];
// event.transportBuffer().data().get(msgBytes);
// String msgString = new String(msgBytes);
// System.out.println("Provider TunnelStreamHandler received OPAQUE data: "
// + msgString + "\n");
// END APIQA:
// get buffer to encode response message into
// APIQA
TransportBuffer buffer = _tunnelStream.getBuffer(resultString.length(), event.errorInfo());
// TransportBuffer buffer =
// _tunnelStream.getBuffer(msgString.length() +
// " Response".length(), event.errorInfo());
// END APIQA:
if (buffer == null)
{
System.out.println("defaultMsgCallback failed: Unable to get a buffer from TunnelStream <" + event.errorInfo().error().text() + ">");
return ReactorCallbackReturnCodes.SUCCESS;
}
// put basic text message in buffer
// APIQA
buffer.data().put(resultString.getBytes());
// buffer.data().put(new String(msgString + " Response").getBytes());
// END APIQA:
// submit the encoded data buffer to the tunnel stream
_tunnelStreamSubmitOptions.clear();
_tunnelStreamSubmitOptions.containerType(DataTypes.OPAQUE);
if ((ret = _tunnelStream.submit(buffer, _tunnelStreamSubmitOptions, event.errorInfo())) < ReactorReturnCodes.SUCCESS)
{
System.out.println("TunnelStream.submit() failed : " + CodecReturnCodes.toString(ret) + "(" + event.errorInfo().error().text() + ")");
_tunnelStream.releaseBuffer(buffer, event.errorInfo());
return ReactorCallbackReturnCodes.SUCCESS;
}
}
else
// not a login or opaque
{
System.out.println("TunnelStreamHandler received unsupported container type");
}
return ReactorCallbackReturnCodes.SUCCESS;
}
@Override
public int statusEventCallback(TunnelStreamStatusEvent event)
{
int ret;
State state = event.state();
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 && _tunnelStream == null)
{
// Stream is open and ready for use.
_tunnelStream = event.tunnelStream();
}
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, event.errorInfo())) < ReactorReturnCodes.SUCCESS)
{
System.out.println("Failed to close TunnelStream:" + ReactorReturnCodes.toString(ret) + "(" + event.errorInfo().error().text() + ")");
}
// Remove our tunnel information if the tunnel was open.
_tunnelStream = null;
break;
}
return ReactorCallbackReturnCodes.SUCCESS;
}
int closeStream(boolean finalStatusEvent, ReactorErrorInfo errorInfo)
{
int ret = ReactorReturnCodes.SUCCESS;
_finalStatusEvent = finalStatusEvent;
if (_tunnelStream != null)
{
ret = _tunnelStream.close(finalStatusEvent, errorInfo);
_tunnelStream = null;
}
return ret;
}
boolean isStreamClosed()
{
return _tunnelStream == null;
}
}
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