/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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 io.undertow.client.ajp;
import io.undertow.channels.DetachableStreamSinkChannel;
import io.undertow.channels.DetachableStreamSourceChannel;
import io.undertow.client.ClientCallback;
import io.undertow.client.ClientConnection;
import io.undertow.client.ClientExchange;
import io.undertow.client.ClientRequest;
import io.undertow.client.ClientResponse;
import io.undertow.client.ContinueNotification;
import io.undertow.util.AbstractAttachable;
import io.undertow.util.Headers;
import org.xnio.channels.StreamSinkChannel;
import org.xnio.channels.StreamSourceChannel;
import java.io.IOException;
import static org.xnio.Bits.anyAreSet;
/**
* @author Stuart Douglas
*/
class AjpClientExchange extends AbstractAttachable implements ClientExchange {
private final ClientRequest request;
private final boolean requiresContinue;
private final AjpClientConnection clientConnection;
private ClientCallback<ClientExchange> responseCallback;
private ClientCallback<ClientExchange> readyCallback;
private ContinueNotification continueNotification;
private AjpClientRequestConduit ajpClientRequestConduit;
private ClientResponse response;
private ClientResponse continueResponse;
private IOException failedReason;
private int state = 0;
private static final int REQUEST_TERMINATED = 1;
private static final int RESPONSE_TERMINATED = 1 << 1;
public AjpClientExchange(ClientCallback<ClientExchange> readyCallback, ClientRequest request, AjpClientConnection clientConnection) {
this.readyCallback = readyCallback;
this.request = request;
this.clientConnection = clientConnection;
boolean reqContinue = false;
if (request.getRequestHeaders().contains(Headers.EXPECT)) {
for (String header : request.getRequestHeaders().get(Headers.EXPECT)) {
if (header.equals("100-continue")) {
reqContinue = true;
}
}
}
this.requiresContinue = reqContinue;
}
void terminateRequest() {
state |= REQUEST_TERMINATED;
if (anyAreSet(state, RESPONSE_TERMINATED)) {
clientConnection.requestDone();
}
}
void terminateResponse() {
state |= RESPONSE_TERMINATED;
if (anyAreSet(state, REQUEST_TERMINATED)) {
clientConnection.requestDone();
} else {
clientConnection.installReadBodyListener();
}
}
public boolean isRequiresContinue() {
return requiresContinue;
}
void setContinueResponse(ClientResponse response) {
this.continueResponse = response;
if (continueNotification != null) {
this.continueNotification.handleContinue(this);
}
}
void setResponse(ClientResponse response) {
this.response = response;
if (responseCallback != null) {
this.responseCallback.completed(this);
}
}
@Override
public void setResponseListener(ClientCallback<ClientExchange> listener) {
this.responseCallback = listener;
if (listener != null) {
if (failedReason != null) {
listener.failed(failedReason);
} else if (response != null) {
listener.completed(this);
}
}
}
@Override
public void setContinueHandler(ContinueNotification continueHandler) {
this.continueNotification = continueHandler;
}
void setFailed(IOException e) {
this.failedReason = e;
if (readyCallback != null) {
readyCallback.failed(e);
readyCallback = null;
}
if (responseCallback != null) {
responseCallback.failed(e);
responseCallback = null;
}
}
@Override
public StreamSinkChannel getRequestChannel() {
return new DetachableStreamSinkChannel(clientConnection.getConnection().getSinkChannel()) {
@Override
protected boolean isFinished() {
return anyAreSet(state, REQUEST_TERMINATED);
}
};
}
@Override
public StreamSourceChannel getResponseChannel() {
return new DetachableStreamSourceChannel(clientConnection.getConnection().getSourceChannel()) {
@Override
protected boolean isFinished() {
return anyAreSet(state, RESPONSE_TERMINATED);
}
};
}
@Override
public ClientRequest getRequest() {
return request;
}
@Override
public ClientResponse getResponse() {
return response;
}
@Override
public ClientResponse getContinueResponse() {
return continueResponse;
}
@Override
public ClientConnection getConnection() {
return clientConnection;
}
void invokeReadReadyCallback(final ClientExchange result) {
if(readyCallback != null) {
readyCallback.completed(result);
readyCallback = null;
}
}
public AjpClientRequestConduit getAjpClientRequestConduit() {
return ajpClientRequestConduit;
}
public void setAjpClientRequestConduit(AjpClientRequestConduit ajpClientRequestConduit) {
this.ajpClientRequestConduit = ajpClientRequestConduit;
}
}