/**
* Copyright (c) 2009, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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 org.wso2.carbon.transport.relay;
import org.apache.http.nio.reactor.SessionRequestCallback;
import org.apache.http.nio.reactor.SessionRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.transport.relay.config.TargetConfiguration;
import org.wso2.carbon.transport.relay.connections.HostConnections;
import org.wso2.carbon.transport.relay.connections.TargetConnections;
public class ConnectCallback implements SessionRequestCallback {
private static Log log = LogFactory.getLog(ConnectCallback.class);
/** The agent used for delivering requests */
private DeliveryAgent deliveryAgent;
/**
* Create the callback for the handling events on a given connection
*/
public ConnectCallback() {
}
public void completed(SessionRequest request) {
HostConnections pool = (HostConnections) request.getAttachment();
pool.pendingConnectionSucceeded();
if (log.isDebugEnabled()) {
if (request.getSession() != null &&
request.getSession().getLocalAddress() != null) {
log.debug("Connected to remote address: " +
request.getSession().getRemoteAddress() +
" from local address: " + request.getSession().getLocalAddress());
}
}
}
public void failed(SessionRequest request) {
HostConnections pool = (HostConnections) request.getAttachment();
pool.pendingConnectionFailed();
deliveryAgent.errorConnecting(pool.getHost(), pool.getPort(),
ErrorCodes.CONNECTION_FAILED, "Connection Failed");
handleError("Connection refused or failed for : " + request.getRemoteAddress());
}
public void timeout(SessionRequest request) {
HostConnections pool = (HostConnections) request.getAttachment();
pool.pendingConnectionFailed();
deliveryAgent.errorConnecting(pool.getHost(), pool.getPort(),
ErrorCodes.CONNECT_TIMEOUT, "Connection Timeout");
handleError("Timeout connecting to : " + request.getRemoteAddress());
request.cancel();
}
public void cancelled(SessionRequest request) {
HostConnections pool = (HostConnections) request.getAttachment();
pool.pendingConnectionFailed();
deliveryAgent.errorConnecting(pool.getHost(), pool.getPort(),
ErrorCodes.CONNECT_CANCEL, "Connection Cancel");
handleError("Connection cancelled for : " + request.getRemoteAddress());
}
private void handleError(String errorMessage) {
log.warn(errorMessage);
}
public void setDeliveryAgent(DeliveryAgent deliveryAgent) {
this.deliveryAgent = deliveryAgent;
}
/*public void setTargetConnections(TargetConnections targetConnections) {
this.targetConnections = targetConnections;
}*/
}