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package com.sun.xml.ws.rx.rm.runtime;
import com.sun.istack.logging.Logger;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.Fiber;
import com.sun.xml.ws.rx.rm.localization.LocalizationMessages;
import com.sun.xml.ws.rx.rm.runtime.sequence.Sequence;
import com.sun.xml.ws.commons.DelayedTaskManager;
import com.sun.xml.ws.commons.DelayedTaskManager.DelayedTask;
import java.util.concurrent.TimeUnit;
/**
*
* @author Marek Potociar <marek.potociar at sun.com>
*/
public class ClientAckRequesterTask implements DelayedTask {
private static final Logger LOGGER = Logger.getLogger(ClientAckRequesterTask.class);
//
private final RuntimeContext rc;
private final String outboundSequenceId;
private final long acknowledgementRequestInterval;
public ClientAckRequesterTask(RuntimeContext rc, String outboundSequenceId) {
this.rc = rc;
this.acknowledgementRequestInterval = rc.configuration.getRmFeature().getAckRequestTransmissionInterval();
this.outboundSequenceId = outboundSequenceId;
}
public void run(DelayedTaskManager manager) {
LOGGER.entering(outboundSequenceId);
try {
if (rc.communicator.isClosed()) {
// Our communication channel has been closed - let the task die
return;
}
if (rc.sequenceManager().isValid(outboundSequenceId)) {
final Sequence sequence = rc.sequenceManager().getOutboundSequence(outboundSequenceId);
if (!sequence.isClosed() && !sequence.isExpired()) {
try {
if (sequence.isStandaloneAcknowledgementRequestSchedulable(acknowledgementRequestInterval)) {
requestAcknowledgement();
sequence.updateLastAcknowledgementRequestTime();
}
} finally {
LOGGER.finer(String.format("Scheduling next run for an outbound sequence with id [ %s ]", outboundSequenceId));
manager.register(this, getExecutionDelay(), getExecutionDelayTimeUnit());
}
}
}
// else sequence is no longer valid / ready to accept acknowledgements - let the task die
} finally {
LOGGER.exiting(outboundSequenceId);
}
}
private void requestAcknowledgement() {
Packet request = rc.communicator.createEmptyRequestPacket(rc.rmVersion.protocolVersion.ackRequestedAction, true);
request.setIsProtocolMessage();
JaxwsApplicationMessage requestMessage = new JaxwsApplicationMessage(
request,
request.getMessage().getID(rc.addressingVersion, rc.soapVersion));
// setting sequence id and fake message number so source message handler can attach a proper sequence acknowledgement info
requestMessage.setSequenceData(outboundSequenceId, 0);
rc.sourceMessageHandler.attachAcknowledgementInfo(requestMessage);
rc.protocolHandler.appendAcknowledgementHeaders(requestMessage.getPacket(), requestMessage.getAcknowledgementData());
rc.communicator.sendAsync(request, new Fiber.CompletionCallback() {
public void onCompletion(Packet response) {
if (response == null || response.getMessage() == null) {
LOGGER.warning(LocalizationMessages.WSRM_1108_NULL_RESPONSE_FOR_ACK_REQUEST());
return;
}
try {
if (rc.protocolHandler.containsProtocolMessage(response)) {
LOGGER.finer("Processing RM protocol response message.");
JaxwsApplicationMessage message = new JaxwsApplicationMessage(response, "");
rc.protocolHandler.loadAcknowledgementData(message, message.getJaxwsMessage());
rc.destinationMessageHandler.processAcknowledgements(message.getAcknowledgementData());
rc.outboundDeliveredHandler.processAcknowledgements(message.getAcknowledgementData());
} else {
LOGGER.severe(LocalizationMessages.WSRM_1120_RESPONSE_NOT_IDENTIFIED_AS_PROTOCOL_MESSAGE());
}
if (response.getMessage().isFault()) {
LOGGER.warning(LocalizationMessages.WSRM_1109_SOAP_FAULT_RESPONSE_FOR_ACK_REQUEST());
}
} finally {
response.getMessage().consume();
}
}
public void onCompletion(Throwable error) {
LOGGER.warning(LocalizationMessages.WSRM_1127_UNEXPECTED_EXCEPTION_WHEN_SENDING_ACK_REQUEST(), error);
}
});
}
public long getExecutionDelay() {
return acknowledgementRequestInterval;
}
public TimeUnit getExecutionDelayTimeUnit() {
return TimeUnit.MILLISECONDS;
}
public String getName() {
return "client acknowledgement requester task";
}
}