/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.synapse.transport.nhttp;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.addressing.AddressingHelper;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.description.WSDL2Constants;
import org.apache.axis2.transport.RequestResponseTransport;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* This interface is a point of control for Axis2 to control the behaviour of a Request-Response
* transport such as HTTP/s
*
* For nhttp, this does not make much of a difference, as we are capable of keeping a socket open
* and writing to it from a different thread, while letting the initial thread that read the
* request go free.
*/
public class HttpCoreRequestResponseTransport implements RequestResponseTransport {
private static final Log log = LogFactory.getLog(HttpCoreRequestResponseTransport.class);
// TODO: the proper value of the status field has to be RequestResponseTransportStatus.INITIAL
// TODO: as per the axis2 documentation, but this is a workaround to get Sandesha2 to work
// TODO: synapse nhttp transport. see : https://issues.apache.org/jira/browse/SYNAPSE-493
private RequestResponseTransportStatus status = RequestResponseTransportStatus.WAITING;
private MessageContext msgContext = null;
private boolean responseWritten = false;
public HttpCoreRequestResponseTransport(MessageContext msgContext) {
this.msgContext = msgContext;
}
public void acknowledgeMessage(MessageContext msgContext) throws AxisFault {
if (log.isDebugEnabled()) {
log.debug("Acking one-way request");
}
// need to skip the ACK till we get the ACK from the actual service for the out-only MEP
if ((AddressingHelper.isReplyRedirected(msgContext) &&
!msgContext.getReplyTo().hasNoneAddress()) ||
(msgContext.getOperationContext() != null &&
WSDL2Constants.MEP_URI_IN_ONLY.equals(msgContext.getOperationContext()
.getAxisOperation().getMessageExchangePattern()))) {
status = RequestResponseTransportStatus.ACKED;
msgContext.getOperationContext().setProperty(
Constants.RESPONSE_WRITTEN, Constants.VALUE_FALSE);
}
}
public void awaitResponse() throws InterruptedException, AxisFault {
if (log.isDebugEnabled()) {
log.debug("Returning thread but keeping socket open -- awaiting response");
}
status = RequestResponseTransportStatus.WAITING;
msgContext.getOperationContext().setProperty(Constants.RESPONSE_WRITTEN, "SKIP");
}
public void signalResponseReady() {
if (log.isDebugEnabled()) {
log.debug("Signal response available");
}
status = RequestResponseTransportStatus.SIGNALLED;
}
public RequestResponseTransportStatus getStatus() {
return status;
}
public void signalFaultReady(AxisFault fault) {
}
public boolean isResponseWritten() {
return responseWritten;
}
public void setResponseWritten(boolean responseWritten) {
this.responseWritten = responseWritten;
}
}