/**
* 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.apache.synapse.transport.passthru;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axis2.AxisFault;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.description.OutOnlyAxisOperation;
import org.apache.axis2.engine.MessageReceiver;
import org.apache.axis2.transport.base.MetricsCollector;
import org.apache.axis2.util.MessageContextBuilder;
import org.apache.axis2.wsdl.WSDLConstants;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.transport.nhttp.NhttpConstants;
import org.apache.synapse.transport.passthru.config.TargetConfiguration;
import org.apache.synapse.transport.passthru.jmx.PassThroughTransportMetricsCollector;
public class TargetErrorHandler {
private Log log = LogFactory.getLog(TargetErrorHandler.class);
private TargetConfiguration targetConfiguration = null;
public TargetErrorHandler(TargetConfiguration targetConfiguration) {
this.targetConfiguration = targetConfiguration;
}
/**
* Mark request to send failed with error
*
* @param mc the failed message context
* @param errorCode the error code to raise
* @param errorMessage the text for an error message to be returned to the MR on failure
* @param exceptionToRaise an Exception to be returned to the MR on failure
* @param state state of the connection
*/
protected void handleError(final MessageContext mc,
final int errorCode,
final String errorMessage,
final Exception exceptionToRaise,
final ProtocolState state) {
if (errorCode == -1 && errorMessage == null && exceptionToRaise == null) {
return;
}
if (mc.getAxisOperation() == null ||
mc.getAxisOperation().getMessageReceiver() == null) {
return;
}
// if (mc.getOperationContext().isComplete()) {
// return;
// } ? why we ignoring this..
updateFaultInfo(errorCode, mc, targetConfiguration.getMetrics());
targetConfiguration.getWorkerPool().execute(new Runnable() {
public void run() {
MessageReceiver mr = mc.getAxisOperation().getMessageReceiver();
try {
AxisFault axisFault = (exceptionToRaise != null ?
new AxisFault(errorMessage, exceptionToRaise) :
new AxisFault(errorMessage));
MessageContext faultMessageContext =
MessageContextBuilder.createFaultMessageContext(mc, axisFault);
SOAPEnvelope envelope = faultMessageContext.getEnvelope();
if (log.isDebugEnabled()) {
log.debug("Sending Fault for Request with Message ID : "
+ mc.getMessageID());
}
faultMessageContext.setTo(null);
faultMessageContext.removeProperty(PassThroughConstants.PASS_THROUGH_PIPE);
// copy the important properties from the original message context
faultMessageContext.setProperty(PassThroughConstants.PASS_THROUGH_SOURCE_CONNECTION,
mc.getProperty(PassThroughConstants.PASS_THROUGH_SOURCE_CONNECTION));
faultMessageContext.setProperty(PassThroughConstants.PASS_THROUGH_SOURCE_CONFIGURATION,
mc.getProperty(PassThroughConstants.PASS_THROUGH_SOURCE_CONFIGURATION));
faultMessageContext.setServerSide(true);
faultMessageContext.setDoingREST(mc.isDoingREST());
faultMessageContext.setProperty(MessageContext.TRANSPORT_IN, mc
.getProperty(MessageContext.TRANSPORT_IN));
faultMessageContext.setTransportIn(mc.getTransportIn());
faultMessageContext.setTransportOut(mc.getTransportOut());
if (!(mc.getOperationContext().getAxisOperation() instanceof OutOnlyAxisOperation)) {
faultMessageContext.setAxisMessage(mc.getOperationContext().getAxisOperation()
.getMessage(WSDLConstants.MESSAGE_LABEL_IN_VALUE));
}
faultMessageContext.setOperationContext(mc.getOperationContext());
faultMessageContext.setConfigurationContext(mc.getConfigurationContext());
faultMessageContext.setTo(null);
faultMessageContext.setProperty(
PassThroughConstants.SENDING_FAULT, Boolean.TRUE);
faultMessageContext.setProperty(
PassThroughConstants.ERROR_MESSAGE, errorMessage);
if (errorCode != -1) {
faultMessageContext.setProperty(
PassThroughConstants.ERROR_CODE, getErrorCode(errorCode, state));
}
if (exceptionToRaise != null) {
faultMessageContext.setProperty(
PassThroughConstants.ERROR_DETAIL, exceptionToRaise.toString());
faultMessageContext.setProperty(
PassThroughConstants.ERROR_EXCEPTION, exceptionToRaise);
envelope.getBody().getFault().getDetail().setText(
exceptionToRaise.toString());
} else {
faultMessageContext.setProperty(
PassThroughConstants.ERROR_DETAIL, errorMessage);
envelope.getBody().getFault().getDetail().setText(errorMessage);
}
faultMessageContext.setProperty(PassThroughConstants.NO_ENTITY_BODY, true);
mr.receive(faultMessageContext);
} catch (AxisFault af) {
log.error("Unable to report back failure to the message receiver", af);
}
}
});
}
private int getErrorCode(int errorCode, ProtocolState state) {
return errorCode + state.ordinal();
}
private void updateFaultInfo(int errorCode, MessageContext mc, PassThroughTransportMetricsCollector metrics) {
if (mc.getAxisOperation() != null &&
mc.getAxisOperation().getMessageReceiver() != null) {
if (metrics != null) {
if (metrics.getLevel() == MetricsCollector.LEVEL_FULL) {
if (errorCode == NhttpConstants.CONNECTION_TIMEOUT) {
metrics.incrementTimeoutsReceiving(mc);
} else {
metrics.incrementFaultsSending(errorCode, mc);
}
} else {
if (errorCode == NhttpConstants.CONNECTION_TIMEOUT) {
metrics.incrementTimeoutsReceiving();
} else {
metrics.incrementFaultsSending();
}
}
}
}
}
}