@Override
public void undeploySynapseArtifact(String artifactName) {
if (log.isDebugEnabled()) {
log.debug("Endpoint Undeployment of the endpoint named : " + artifactName + " : Started");
}
try {
Endpoint ep = getSynapseConfiguration().getDefinedEndpoints().get(artifactName);
if (ep != null) {
CustomLogSetter.getInstance()
.setLogAppender((ep != null) ? ep.getArtifactContainerName() : "");
getSynapseConfiguration().removeEndpoint(artifactName);
if (log.isDebugEnabled()) {
log.debug("Destroying the endpoint named : " + artifactName);
}
ep.destroy();
if (log.isDebugEnabled()) {
log.debug(
"Endpoint Undeployment of the endpoint named : " + artifactName + " : Completed");
}
log.info("Endpoint named '" + ep.getName() + "' has been undeployed");
} else if (log.isDebugEnabled()) {
log.debug("Endpoint " + artifactName + " has already been undeployed");
}
} catch (Exception e) {
handleSynapseArtifactDeploymentError(
"Endpoint Undeployement of endpoint named : " + artifactName + " : Failed", e);
}
}
/**
* Make sure that the endpoints created by the factory has a name
*
* @param epConfig OMElement containing the endpoint configuration.
* @param anonymousEndpoint false if the endpoint has a name. true otherwise.
* @param properties bag of properties to pass in any information to the factory
* @return Endpoint implementation for the given configuration.
*/
private Endpoint createEndpointWithName(
OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
Endpoint ep = createEndpoint(epConfig, anonymousEndpoint, properties);
OMElement descriptionElem = epConfig.getFirstChildWithName(DESCRIPTION_Q);
if (descriptionElem != null) {
ep.setDescription(descriptionElem.getText());
}
// if the endpoint doesn't have a name we will generate a unique name.
if (anonymousEndpoint && ep.getName() == null) {
String uuid = UIDGenerator.generateUID();
uuid = uuid.replace(':', '_');
ep.setName(ENDPOINT_NAME_PREFIX + uuid);
if (ep instanceof AbstractEndpoint) {
((AbstractEndpoint) ep).setAnonymous(true);
}
}
OMAttribute onFaultAtt = epConfig.getAttribute(ON_FAULT_Q);
if (onFaultAtt != null) {
ep.setErrorHandler(onFaultAtt.getAttributeValue());
}
return ep;
}
@Override
public void restoreSynapseArtifact(String artifactName) {
if (log.isDebugEnabled()) {
log.debug("Restoring the Endpoint with name : " + artifactName + " : Started");
}
try {
Endpoint ep = getSynapseConfiguration().getDefinedEndpoints().get(artifactName);
CustomLogSetter.getInstance()
.setLogAppender((ep != null) ? ep.getArtifactContainerName() : "");
OMElement epElem = EndpointSerializer.getElementFromEndpoint(ep);
if (ep.getFileName() != null) {
String fileName =
getServerConfigurationInformation().getSynapseXMLLocation()
+ File.separator
+ MultiXMLConfigurationBuilder.ENDPOINTS_DIR
+ File.separator
+ ep.getFileName();
writeToFile(epElem, fileName);
if (log.isDebugEnabled()) {
log.debug("Restoring the Endpoint with name : " + artifactName + " : Completed");
}
log.info("Endpoint named '" + artifactName + "' has been restored");
} else {
handleSynapseArtifactDeploymentError(
"Couldn't restore the endpoint named '" + artifactName + "', filename cannot be found");
}
} catch (Exception e) {
handleSynapseArtifactDeploymentError(
"Restoring of the endpoint named '" + artifactName + "' has failed", e);
}
}
public void init(SynapseEnvironment synapseEnvironment) {
this.synapseEnv = synapseEnvironment;
if (endpoint != null) {
endpoint.init(synapseEnvironment);
}
if (blocking) {
try {
configCtx =
ConfigurationContextFactory.createConfigurationContextFromFileSystem(
DEFAULT_CLIENT_REPO, DEFAULT_AXIS2_XML);
blockingMsgSender = new BlockingMsgSender();
blockingMsgSender.setConfigurationContext(configCtx);
blockingMsgSender.init();
} catch (AxisFault axisFault) {
String msg = "Error while initializing the Call mediator";
log.error(msg, axisFault);
throw new SynapseException(msg, axisFault);
}
} else {
synapseEnvironment.updateCallMediatorCount(true);
}
}
/**
* This will call the send method on the messages with implicit message parameters or else if
* there is an endpoint, with that endpoint parameters
*
* @param synCtx the current message to be sent
* @return false always as this is a leaf mediator
*/
public boolean mediate(SynapseMessageContext synCtx) {
log.debug("Start : Send mediator");
if (log.isTraceEnabled()) {
log.trace("Message : " + synCtx.getEnvelope());
}
// if no endpoints are defined, send where implicitly stated
if (endpoint == null) {
if (log.isDebugEnabled()) {
StringBuffer sb = new StringBuffer();
sb.append("Sending ")
.append(synCtx.isResponse() ? "response" : "request")
.append(" message using implicit message properties..");
sb.append("\nSending To: ")
.append(synCtx.getTo() != null ? synCtx.getTo().getAddress() : "null");
sb.append("\nSOAPAction: ")
.append(synCtx.getWSAAction() != null ? synCtx.getWSAAction() : "null");
log.debug(sb.toString());
}
if (log.isTraceEnabled()) {
log.trace("Envelope : " + synCtx.getEnvelope());
}
synCtx.getEnvironment().send(null, synCtx);
} else {
endpoint.send(synCtx);
}
log.debug("End : Send mediator");
return true;
}
public void init(SynapseEnvironment se) {
synapseEnv = se;
for (Target target : targets) {
ManagedLifecycle seq = target.getSequence();
if (seq != null) {
seq.init(se);
} else if (target.getSequenceRef() != null) {
SequenceMediator targetSequence =
(SequenceMediator) se.getSynapseConfiguration().getSequence(target.getSequenceRef());
if (targetSequence == null || targetSequence.isDynamic()) {
se.addUnavailableArtifactRef(target.getSequenceRef());
}
}
Endpoint endpoint = target.getEndpoint();
if (endpoint != null) {
endpoint.init(se);
}
}
}
public void destroy() {
for (Target target : targets) {
ManagedLifecycle seq = target.getSequence();
if (seq != null) {
seq.destroy();
} else if (target.getSequenceRef() != null) {
SequenceMediator targetSequence =
(SequenceMediator)
synapseEnv.getSynapseConfiguration().getSequence(target.getSequenceRef());
if (targetSequence == null || targetSequence.isDynamic()) {
synapseEnv.removeUnavailableArtifactRef(target.getSequenceRef());
}
}
Endpoint endpoint = target.getEndpoint();
if (endpoint != null) {
endpoint.destroy();
}
}
}
@Override
public String deploySynapseArtifact(
OMElement artifactConfig, String fileName, Properties properties) {
if (log.isDebugEnabled()) {
log.debug("Endpoint Deployment from file : " + fileName + " : Started");
}
CustomLogSetter.getInstance().setLogAppender(customLogContent);
try {
Endpoint ep = EndpointFactory.getEndpointFromElement(artifactConfig, false, properties);
// Set the car name
ep.setArtifactContainerName(customLogContent);
if (ep != null) {
ep.setFileName((new File(fileName)).getName());
if (log.isDebugEnabled()) {
log.debug(
"Endpoint named '" + ep.getName() + "' has been built from the file " + fileName);
}
ep.init(getSynapseEnvironment());
if (log.isDebugEnabled()) {
log.debug("Initialized the endpoint : " + ep.getName());
}
getSynapseConfiguration().addEndpoint(ep.getName(), ep);
if (log.isDebugEnabled()) {
log.debug("Endpoint Deployment from file : " + fileName + " : Completed");
}
log.info("Endpoint named '" + ep.getName() + "' has been deployed from file : " + fileName);
return ep.getName();
} else {
handleSynapseArtifactDeploymentError(
"Endpoint Deployment Failed. The artifact "
+ "described in the file "
+ fileName
+ " is not an Endpoint");
}
} catch (Exception e) {
handleSynapseArtifactDeploymentError(
"Endpoint Deployment from the file : " + fileName + " : Failed.", e);
}
return null;
}
/**
* Helper method to construct children endpoints
*
* @param listEndpointElement OMElement representing the children endpoints
* @param parent Parent endpoint
* @param properties bag of properties to pass in any information to the factory
* @return List of children endpoints
*/
protected ArrayList<Endpoint> getEndpoints(
OMElement listEndpointElement, Endpoint parent, Properties properties) {
ArrayList<Endpoint> endpoints = new ArrayList<Endpoint>();
ArrayList<String> keys = new ArrayList<String>();
Iterator iter = listEndpointElement.getChildrenWithName(XMLConfigConstants.ENDPOINT_ELT);
while (iter.hasNext()) {
OMElement endptElem = (OMElement) iter.next();
Endpoint endpoint = EndpointFactory.getEndpointFromElement(endptElem, true, properties);
if (endpoint instanceof IndirectEndpoint) {
String key = ((IndirectEndpoint) endpoint).getKey();
if (!keys.contains(key)) {
keys.add(key);
} else {
handleException("Same endpoint definition cannot be used with in the siblings");
}
}
endpoint.setParentEndpoint(parent);
endpoints.add(endpoint);
}
return endpoints;
}
@Override
public void setComponentStatisticsId(ArtifactHolder holder) {
if (getAspectConfiguration() == null) {
configure(new AspectConfiguration(getMediatorName()));
}
String cloneId =
StatisticIdentityGenerator.getIdForComponent(
getMediatorName(), ComponentType.MEDIATOR, holder);
getAspectConfiguration().setUniqueId(cloneId);
if (endpoint != null) {
endpoint.setComponentStatisticsId(holder);
}
StatisticIdentityGenerator.reportingEndEvent(cloneId, ComponentType.MEDIATOR, holder);
}
/**
* Handle the response or error (during a failed send) message received for an outgoing request
*
* @param messageID Request message ID
* @param response the Axis2 MessageContext that has been received and has to be handled
* @param synapseOutMsgCtx the corresponding (outgoing) Synapse MessageContext for the above Axis2
* MC, that holds Synapse specific information such as the error handler stack and local
* properties etc.
* @throws AxisFault if the message cannot be processed
*/
private void handleMessage(
String messageID,
MessageContext response,
org.apache.synapse.MessageContext synapseOutMsgCtx,
AsyncCallback callback)
throws AxisFault {
// apply the tenant information to the out message context
TenantInfoConfigurator configurator =
synapseOutMsgCtx.getEnvironment().getTenantInfoConfigurator();
if (configurator != null) {
configurator.applyTenantInfo(synapseOutMsgCtx);
}
Object o = response.getProperty(SynapseConstants.SENDING_FAULT);
if (o != null && Boolean.TRUE.equals(o)) {
StatisticsReporter.reportFaultForAll(
synapseOutMsgCtx, ErrorLogFactory.createErrorLog(response));
// there is a sending fault. propagate the fault to fault handlers.
Stack faultStack = synapseOutMsgCtx.getFaultStack();
if (faultStack != null && !faultStack.isEmpty()) {
// if we have access to the full synapseOutMsgCtx.getEnvelope(), then let
// it flow with the error details. Else, replace its envelope with the
// fault envelope
try {
synapseOutMsgCtx.getEnvelope().build();
} catch (OMException x) {
synapseOutMsgCtx.setEnvelope(response.getEnvelope());
}
Exception e = (Exception) response.getProperty(SynapseConstants.ERROR_EXCEPTION);
synapseOutMsgCtx.setProperty(SynapseConstants.SENDING_FAULT, Boolean.TRUE);
synapseOutMsgCtx.setProperty(
SynapseConstants.ERROR_CODE, response.getProperty(SynapseConstants.ERROR_CODE));
synapseOutMsgCtx.setProperty(
SynapseConstants.ERROR_MESSAGE, response.getProperty(SynapseConstants.ERROR_MESSAGE));
synapseOutMsgCtx.setProperty(
SynapseConstants.ERROR_DETAIL, response.getProperty(SynapseConstants.ERROR_DETAIL));
synapseOutMsgCtx.setProperty(SynapseConstants.ERROR_EXCEPTION, e);
if (log.isDebugEnabled()) {
log.debug(
"[Failed Request Message ID : "
+ messageID
+ "]"
+ " [New to be Retried Request Message ID : "
+ synapseOutMsgCtx.getMessageID()
+ "]");
}
int errorCode = (Integer) response.getProperty(SynapseConstants.ERROR_CODE);
// If a timeout has occured and the timeout action of the callback is to discard the message
if (errorCode == SynapseConstants.NHTTP_CONNECTION_TIMEOUT
&& callback.getTimeOutAction() == SynapseConstants.DISCARD) {
// Do not execute any fault sequences. Discard message
if (log.isWarnEnabled()) {
log.warn(
"Synapse timed out for the request with Message ID : "
+ messageID
+ ". Ignoring fault handlers since the timeout action is DISCARD");
}
faultStack.removeAllElements();
} else {
((FaultHandler) faultStack.pop()).handleFault(synapseOutMsgCtx, null);
}
}
} else {
// there can always be only one instance of an Endpoint in the faultStack of a message
// if the send was successful, so remove it before we proceed any further
Stack faultStack = synapseOutMsgCtx.getFaultStack();
Endpoint successfulEndpoint = null;
if (faultStack != null && !faultStack.isEmpty() && faultStack.peek() instanceof Endpoint) {
successfulEndpoint = (Endpoint) faultStack.pop();
}
if (log.isDebugEnabled()) {
log.debug("Synapse received an asynchronous response message");
log.debug(
"Received To: " + (response.getTo() != null ? response.getTo().getAddress() : "null"));
log.debug(
"SOAPAction: "
+ (response.getSoapAction() != null ? response.getSoapAction() : "null"));
log.debug(
"WSA-Action: " + (response.getWSAAction() != null ? response.getWSAAction() : "null"));
String[] cids = response.getAttachmentMap().getAllContentIDs();
if (cids != null && cids.length > 0) {
for (String cid : cids) {
log.debug("Attachment : " + cid);
}
}
log.debug("Body : \n" + response.getEnvelope());
}
MessageContext axisOutMsgCtx =
((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext();
// Processes 'Accept-Encoding'
ResponseAcceptEncodingProcessor.process(response, axisOutMsgCtx);
response.setServiceContext(null);
response.setOperationContext(axisOutMsgCtx.getOperationContext());
response.setAxisMessage(
axisOutMsgCtx.getAxisOperation().getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE));
// set properties on response
response.setServerSide(true);
response.setProperty(SynapseConstants.ISRESPONSE_PROPERTY, Boolean.TRUE);
response.setProperty(
MessageContext.TRANSPORT_OUT, axisOutMsgCtx.getProperty(MessageContext.TRANSPORT_OUT));
response.setProperty(
org.apache.axis2.Constants.OUT_TRANSPORT_INFO,
axisOutMsgCtx.getProperty(org.apache.axis2.Constants.OUT_TRANSPORT_INFO));
response.setTransportIn(axisOutMsgCtx.getTransportIn());
response.setTransportOut(axisOutMsgCtx.getTransportOut());
// If request is REST assume that the response is REST too
response.setDoingREST(axisOutMsgCtx.isDoingREST());
if (axisOutMsgCtx.isDoingMTOM()) {
response.setDoingMTOM(true);
response.setProperty(
org.apache.axis2.Constants.Configuration.ENABLE_MTOM,
org.apache.axis2.Constants.VALUE_TRUE);
}
if (axisOutMsgCtx.isDoingSwA()) {
response.setDoingSwA(true);
response.setProperty(
org.apache.axis2.Constants.Configuration.ENABLE_SWA,
org.apache.axis2.Constants.VALUE_TRUE);
}
// when axis2 receives a soap message without addressing headers it users
// DISABLE_ADDRESSING_FOR_OUT_MESSAGES property to keep it and hence avoid addressing
// headers on the response. this causes a problem for synapse if the original message
// it receivs (from client) has addressing and the synaspse service invocation has not
// engage addressing. in this case when synapse receives the response from the server
// addessing In handler dissable addressing since that response does not have addressing
// headers. synapse sends the response to its orignal client using the same message
// context. Then this response does not have addressing headers since it already
// disable. to avoid this we need to set the DISABLE_ADDRESSING_FOR_OUT_MESSAGES
// property state to original state.
if (axisOutMsgCtx.getProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES)
!= null) {
response.setProperty(
AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES,
axisOutMsgCtx.getProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES));
} else {
response.removeProperty(AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES);
}
Object messageType =
axisOutMsgCtx.getProperty(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE);
if (!HTTPConstants.MEDIA_TYPE_X_WWW_FORM.equals(messageType)) {
// copy the message type property that's used by the out message to the
// response message
response.setProperty(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE, messageType);
}
// compare original received message (axisOutMsgCtx) soap version with the response
// if they are different change to original version
if (axisOutMsgCtx.isSOAP11() != response.isSOAP11()) {
if (axisOutMsgCtx.isSOAP11()) {
SOAPUtils.convertSOAP12toSOAP11(response);
} else {
SOAPUtils.convertSOAP11toSOAP12(response);
}
}
if (axisOutMsgCtx.getMessageID() != null) {
response.setRelationships(new RelatesTo[] {new RelatesTo(axisOutMsgCtx.getMessageID())});
}
response.setReplyTo(axisOutMsgCtx.getReplyTo());
response.setFaultTo(axisOutMsgCtx.getFaultTo());
if (axisOutMsgCtx.isPropertyTrue(NhttpConstants.IGNORE_SC_ACCEPTED)) {
response.setProperty(NhttpConstants.FORCE_SC_ACCEPTED, Constants.VALUE_TRUE);
}
// create the synapse message context for the response
Axis2MessageContext synapseInMessageContext =
new Axis2MessageContext(
response, synapseOutMsgCtx.getConfiguration(), synapseOutMsgCtx.getEnvironment());
synapseInMessageContext.setResponse(true);
Object obj = synapseOutMsgCtx.getProperty(SynapseConstants.FORCE_ERROR_PROPERTY);
String errorOnSOAPFault = (String) obj;
if (Constants.VALUE_TRUE.equals(errorOnSOAPFault) && successfulEndpoint != null) {
if (log.isDebugEnabled()) {
log.debug("FORCE_ERROR_ON_SOAP_FAULT is true, checking for SOAPFault");
}
try {
RelayUtils.buildMessage(
((Axis2MessageContext) synapseInMessageContext).getAxis2MessageContext(), true);
} catch (Exception e) {
// handleException("Error while building message", e, synapseInMessageContext);
}
if ((synapseInMessageContext.getEnvelope() != null)
&& synapseInMessageContext.getEnvelope().hasFault()) {
if (log.isDebugEnabled()) {
log.debug(
"SOAPFault found in response message, forcing endpoint "
+ successfulEndpoint.getName()
+ " to fail");
}
// setup new pipe configuration..if failure happens (this will be setup as the source
// writer and during the TargetContext
// clean up operation the writer will be reset and pull to the buffer
MessageContext axis2OUTMC =
((Axis2MessageContext) synapseOutMsgCtx).getAxis2MessageContext();
NHttpServerConnection conn =
(NHttpServerConnection) axis2OUTMC.getProperty("pass-through.Source-Connection");
if (conn != null) {
SourceConfiguration sourceConfiguration =
(SourceConfiguration) axis2OUTMC.getProperty("PASS_THROUGH_SOURCE_CONFIGURATION");
Pipe pipe =
new Pipe(
conn,
sourceConfiguration.getBufferFactory().getBuffer(),
"source",
sourceConfiguration);
axis2OUTMC.setProperty(PassThroughConstants.PASS_THROUGH_PIPE, pipe);
}
StatisticsReporter.reportFaultForAll(
synapseOutMsgCtx, ErrorLogFactory.createErrorLog(response));
synapseOutMsgCtx.setProperty(SynapseConstants.SENDING_FAULT, Boolean.TRUE);
synapseOutMsgCtx.setProperty(
SynapseConstants.ERROR_CODE, SynapseConstants.ENDPOINT_CUSTOM_ERROR);
((FaultHandler) successfulEndpoint).handleFault(synapseOutMsgCtx, null);
return;
} else {
successfulEndpoint.onSuccess();
}
} else if (successfulEndpoint != null) {
successfulEndpoint.onSuccess();
}
synapseInMessageContext.setTo(
new EndpointReference(AddressingConstants.Final.WSA_ANONYMOUS_URL));
synapseInMessageContext.setTracingState(synapseOutMsgCtx.getTracingState());
// set the properties of the original MC to the new MC
for (Object key : synapseOutMsgCtx.getPropertyKeySet()) {
synapseInMessageContext.setProperty(
(String) key, synapseOutMsgCtx.getProperty((String) key));
}
// Copy SequenceCallStack from original MC to the new MC
if (synapseOutMsgCtx.isContinuationEnabled()) {
// Set the message direction
if (!synapseOutMsgCtx.isResponse()) {
synapseInMessageContext.setResponse(false);
}
Stack<ContinuationState> seqContinuationStates =
synapseOutMsgCtx.getContinuationStateStack();
for (int i = 0; i < seqContinuationStates.size(); i++) {
synapseInMessageContext.pushContinuationState(seqContinuationStates.get(i));
}
}
// If this response is related to session affinity endpoints -Server initiated session
Dispatcher dispatcher =
(Dispatcher)
synapseOutMsgCtx.getProperty(SynapseConstants.PROP_SAL_ENDPOINT_CURRENT_DISPATCHER);
if (dispatcher != null && dispatcher.isServerInitiatedSession()) {
dispatcher.updateSession(synapseInMessageContext);
}
StatisticsReporter.reportForAllOnResponseReceived(synapseInMessageContext);
// send the response message through the synapse mediation flow
try {
synapseOutMsgCtx.getEnvironment().injectMessage(synapseInMessageContext);
} catch (SynapseException syne) {
Stack stack = synapseInMessageContext.getFaultStack();
if (stack != null && !stack.isEmpty()) {
((FaultHandler) stack.pop()).handleFault(synapseInMessageContext, syne);
} else {
log.error(
"Synapse encountered an exception, "
+ "No error handlers found - [Message Dropped]\n"
+ syne.getMessage());
}
}
}
}
public void receive(org.apache.axis2.context.MessageContext mc) throws AxisFault {
boolean traceOn = proxy.getAspectConfiguration().isTracingEnabled();
boolean traceOrDebugOn = traceOn || log.isDebugEnabled();
CustomLogSetter.getInstance().setLogAppender(proxy.getArtifactContainerName());
String remoteAddr =
(String) mc.getProperty(org.apache.axis2.context.MessageContext.REMOTE_ADDR);
if (traceOrDebugOn) {
traceOrDebug(
traceOn,
"Proxy Service "
+ name
+ " received a new message"
+ (remoteAddr != null ? " from : " + remoteAddr : "..."));
traceOrDebug(
traceOn, ("Message To: " + (mc.getTo() != null ? mc.getTo().getAddress() : "null")));
traceOrDebug(
traceOn, ("SOAPAction: " + (mc.getSoapAction() != null ? mc.getSoapAction() : "null")));
traceOrDebug(
traceOn, ("WSA-Action: " + (mc.getWSAAction() != null ? mc.getWSAAction() : "null")));
if (traceOn && trace.isTraceEnabled()) {
String[] cids = mc.getAttachmentMap().getAllContentIDs();
if (cids != null && cids.length > 0) {
for (String cid : cids) {
trace.trace("With attachment content ID : " + cid);
}
}
trace.trace("Envelope : " + mc.getEnvelope());
}
}
MessageContext synCtx = MessageContextCreatorForAxis2.getSynapseMessageContext(mc);
Integer statisticReportingIndex = null;
// Statistic reporting
boolean isStatisticsEnabled = RuntimeStatisticCollector.isStatisticsEnabled();
if (isStatisticsEnabled) {
statisticReportingIndex =
OpenEventCollector.reportEntryEvent(
synCtx, this.name, proxy.getAspectConfiguration(), ComponentType.PROXYSERVICE);
}
Object inboundServiceParam =
proxy.getParameterMap().get(SynapseConstants.INBOUND_PROXY_SERVICE_PARAM);
Object inboundMsgCtxParam = mc.getProperty(SynapseConstants.IS_INBOUND);
// check whether the message is from Inbound EP
if (inboundMsgCtxParam == null || !(boolean) inboundMsgCtxParam) {
// check whether service parameter is set to true or null, then block this request
if (inboundServiceParam != null && (Boolean.valueOf((String) inboundServiceParam))) {
/*
return because same proxy is exposed via InboundEP and service parameter(inbound.only) is set to
true, which disable normal http transport proxy
*/
if (!synCtx.getFaultStack().isEmpty()) {
if (log.isDebugEnabled()) {
log.debug(
"Executing fault handler - message discarded due to the proxy is allowed only via InboundEP");
}
(synCtx.getFaultStack().pop())
.handleFault(
synCtx,
new Exception(
"Proxy Service "
+ name
+ " message discarded due to the proxy is allowed only via InboundEP"));
} else {
if (log.isDebugEnabled()) {
log.debug(
"Proxy Service "
+ name
+ " message discarded due to the proxy is "
+ "allowed only via InboundEP");
}
}
return;
}
}
TenantInfoConfigurator configurator = synCtx.getEnvironment().getTenantInfoConfigurator();
if (configurator != null) {
configurator.extractTenantInfo(synCtx);
}
TransportInDescription trpInDesc = mc.getTransportIn();
if (trpInDesc != null) {
synCtx.setProperty(SynapseConstants.TRANSPORT_IN_NAME, trpInDesc.getName());
}
// get service log for this message and attach to the message context also set proxy name
Log serviceLog = LogFactory.getLog(SynapseConstants.SERVICE_LOGGER_PREFIX + name);
((Axis2MessageContext) synCtx).setServiceLog(serviceLog);
synCtx.setProperty(SynapseConstants.PROXY_SERVICE, name);
// synCtx.setTracingState(proxy.getTraceState());
synCtx.setProperty(SynapseConstants.IS_CLIENT_DOING_REST, mc.isDoingREST());
synCtx.setProperty(SynapseConstants.IS_CLIENT_DOING_SOAP11, mc.isSOAP11());
try {
if (synCtx.getEnvironment().isDebuggerEnabled()) {
SynapseDebugManager debugManager = synCtx.getEnvironment().getSynapseDebugManager();
debugManager.acquireMediationFlowLock();
debugManager.advertiseMediationFlowStartPoint(synCtx);
if (!synCtx.isResponse()) {
SynapseWireLogHolder wireLogHolder =
(SynapseWireLogHolder)
((Axis2MessageContext) synCtx)
.getAxis2MessageContext()
.getProperty(SynapseDebugInfoHolder.SYNAPSE_WIRE_LOG_HOLDER_PROPERTY);
if (wireLogHolder == null) {
wireLogHolder = new SynapseWireLogHolder();
}
if (synCtx.getProperty(SynapseConstants.PROXY_SERVICE) != null
&& !synCtx.getProperty(SynapseConstants.PROXY_SERVICE).toString().isEmpty()) {
wireLogHolder.setProxyName(
synCtx.getProperty(SynapseConstants.PROXY_SERVICE).toString());
}
((Axis2MessageContext) synCtx)
.getAxis2MessageContext()
.setProperty(SynapseDebugInfoHolder.SYNAPSE_WIRE_LOG_HOLDER_PROPERTY, wireLogHolder);
}
}
synCtx.setProperty(SynapseConstants.RESPONSE_STATE, new ResponseState());
List handlers = synCtx.getEnvironment().getSynapseHandlers();
Iterator<SynapseHandler> iterator = handlers.iterator();
while (iterator.hasNext()) {
SynapseHandler handler = iterator.next();
if (!handler.handleRequestInFlow(synCtx)) {
return;
}
}
Mediator mandatorySeq = synCtx.getConfiguration().getMandatorySequence();
if (mandatorySeq != null) {
if (log.isDebugEnabled()) {
log.debug(
"Start mediating the message in the "
+ "pre-mediate state using the mandatory sequence");
}
if (!mandatorySeq.mediate(synCtx)) {
if (log.isDebugEnabled()) {
log.debug(
"Request message for the proxy service "
+ name
+ " dropped in "
+ "the pre-mediation state by the mandatory sequence : \n"
+ synCtx);
}
return;
}
}
// setup fault sequence - i.e. what happens when something goes wrong with this message
proxy.registerFaultHandler(synCtx);
boolean inSequenceResult = true;
// Using inSequence for the incoming message mediation
if (proxy.getTargetInSequence() != null) {
Mediator inSequence = synCtx.getSequence(proxy.getTargetInSequence());
if (inSequence != null) {
traceOrDebug(
traceOn,
"Using sequence named : "
+ proxy.getTargetInSequence()
+ " for incoming message mediation");
inSequenceResult = inSequence.mediate(synCtx);
} else {
handleException("Unable to find in-sequence : " + proxy.getTargetInSequence(), synCtx);
}
} else if (proxy.getTargetInLineInSequence() != null) {
traceOrDebug(
traceOn, "Using the anonymous " + "in-sequence of the proxy service for mediation");
inSequenceResult = proxy.getTargetInLineInSequence().mediate(synCtx);
}
// if inSequence returns true, forward message to endpoint
if (inSequenceResult) {
if (proxy.getTargetEndpoint() != null) {
Endpoint endpoint = synCtx.getEndpoint(proxy.getTargetEndpoint());
if (endpoint != null) {
traceOrDebug(
traceOn, "Forwarding message to the endpoint : " + proxy.getTargetEndpoint());
endpoint.send(synCtx);
} else {
handleException(
"Unable to find the endpoint specified : " + proxy.getTargetEndpoint(), synCtx);
}
} else if (proxy.getTargetInLineEndpoint() != null) {
traceOrDebug(
traceOn,
"Forwarding the message to the anonymous " + "endpoint of the proxy service");
proxy.getTargetInLineEndpoint().send(synCtx);
}
}
} catch (SynapseException syne) {
if (!synCtx.getFaultStack().isEmpty()) {
warn(traceOn, "Executing fault handler due to exception encountered", synCtx);
((FaultHandler) synCtx.getFaultStack().pop()).handleFault(synCtx, syne);
} else {
warn(
traceOn,
"Exception encountered but no fault handler found - " + "message dropped",
synCtx);
}
} finally {
// Statistic reporting
if (isStatisticsEnabled) {
CloseEventCollector.tryEndFlow(
synCtx, this.name, ComponentType.PROXYSERVICE, statisticReportingIndex, true);
}
if (synCtx.getEnvironment().isDebuggerEnabled()) {
SynapseDebugManager debugManager = synCtx.getEnvironment().getSynapseDebugManager();
debugManager.advertiseMediationFlowTerminatePoint(synCtx);
debugManager.releaseMediationFlowLock();
}
}
}
@Override
public String updateSynapseArtifact(
OMElement artifactConfig,
String fileName,
String existingArtifactName,
Properties properties) {
Endpoint ep = EndpointFactory.getEndpointFromElement(artifactConfig, false, properties);
CustomLogSetter.getInstance().setLogAppender((ep != null) ? ep.getArtifactContainerName() : "");
if (log.isDebugEnabled()) {
log.debug("Endpoint update from file : " + fileName + " has started");
}
try {
if (ep == null) {
handleSynapseArtifactDeploymentError(
"Endpoint update failed. The artifact "
+ "defined in the file: "
+ fileName
+ " is not a valid endpoint.");
return null;
}
ep.setFileName(new File(fileName).getName());
if (log.isDebugEnabled()) {
log.debug("Endpoint: " + ep.getName() + " has been built from the file: " + fileName);
}
ep.init(getSynapseEnvironment());
Endpoint existingEp =
getSynapseConfiguration().getDefinedEndpoints().get(existingArtifactName);
if (existingArtifactName.equals(ep.getName())) {
getSynapseConfiguration().updateEndpoint(existingArtifactName, ep);
} else {
// The user has changed the name of the endpoint
// We should add the updated endpoint as a new endpoint and remove the old one
getSynapseConfiguration().addEndpoint(ep.getName(), ep);
getSynapseConfiguration().removeEndpoint(existingArtifactName);
log.info("Endpoint: " + existingArtifactName + " has been undeployed");
}
log.info("Endpoint: " + ep.getName() + " has been updated from the file: " + fileName);
waitForCompletion();
existingEp.destroy();
if (existingArtifactName.equals(ep.getName())) {
// If the endpoint name was same as the old one, above method call (destroy)
// will unregister the endpoint MBean - So we should register it again.
MBeanRegistrar.getInstance().registerMBean(ep.getMetricsMBean(), "Endpoint", ep.getName());
}
return ep.getName();
} catch (DeploymentException e) {
handleSynapseArtifactDeploymentError(
"Error while updating the endpoint from the " + "file: " + fileName);
}
return null;
}
public void destroy() {
if (endpoint != null) {
endpoint.destroy();
}
}
/**
* Send request in non-blocking manner
*
* @param synInCtx message context
* @return continue the mediation flow or not
*/
private boolean handleNonBlockingCall(MessageContext synInCtx) {
SynapseLog synLog = getLog(synInCtx);
if (synLog.isTraceOrDebugEnabled()) {
synLog.traceOrDebug("Start : Call mediator - Non Blocking Call");
if (synLog.isTraceTraceEnabled()) {
synLog.traceTrace("Message : " + synInCtx.getEnvelope());
}
}
// clear the message context properties related to endpoint in last service invocation
Set keySet = synInCtx.getPropertyKeySet();
if (keySet != null) {
keySet.remove(SynapseConstants.RECEIVING_SEQUENCE);
keySet.remove(EndpointDefinition.DYNAMIC_URL_VALUE);
}
boolean outOnlyMessage = "true".equals(synInCtx.getProperty(SynapseConstants.OUT_ONLY));
// Prepare the outgoing message context
MessageContext synOutCtx = null;
if (outOnlyMessage) {
try {
synOutCtx = MessageHelper.cloneMessageContext(synInCtx);
} catch (AxisFault axisFault) {
handleException("Error occurred while cloning msg context", axisFault, synInCtx);
}
} else {
synOutCtx = synInCtx;
}
synOutCtx.setProperty(SynapseConstants.CONTINUATION_CALL, true);
ContinuationStackManager.updateSeqContinuationState(synOutCtx, getMediatorPosition());
// If no endpoints are defined, send where implicitly stated
if (endpoint == null) {
if (synLog.isTraceOrDebugEnabled()) {
StringBuffer sb = new StringBuffer();
sb.append("Calling ")
.append(synOutCtx.isResponse() ? "response" : "request")
.append(" message using implicit message properties..");
sb.append("\nCalling To: ")
.append(synOutCtx.getTo() != null ? synOutCtx.getTo().getAddress() : "null");
sb.append("\nSOAPAction: ")
.append(synOutCtx.getWSAAction() != null ? synOutCtx.getWSAAction() : "null");
synLog.traceOrDebug(sb.toString());
}
if (synLog.isTraceTraceEnabled()) {
synLog.traceTrace("Envelope : " + synOutCtx.getEnvelope());
}
synOutCtx.getEnvironment().send(null, synOutCtx);
} else {
endpoint.send(synOutCtx);
}
if (synLog.isTraceOrDebugEnabled()) {
synLog.traceOrDebug("End : Call mediator - Non Blocking Call");
}
if (outOnlyMessage) {
// For out only invocations request flow should continue
// otherwise flow should stop from here
return true;
}
return false;
}
public boolean dispatch(MessageContext messageContext) {
if (log.isDebugEnabled()) {
log.debug(
"Sending the message to client with message processor ["
+ messageProcessor.getName()
+ "]");
}
// The below code is just for keeping the backward compatibility with the old code.
if (targetEndpoint == null) {
targetEndpoint =
(String) messageContext.getProperty(ForwardingProcessorConstants.TARGET_ENDPOINT);
}
MessageContext outCtx = null;
SOAPEnvelope originalEnvelop = messageContext.getEnvelope();
if (targetEndpoint != null) {
Endpoint ep = messageContext.getEndpoint(targetEndpoint);
try {
// Send message to the client
while (!isSuccessful && !isTerminated) {
try {
// For each retry we need to have a fresh copy of the actual message. otherwise retry
// may not
// work as expected.
messageContext.setEnvelope(MessageHelper.cloneSOAPEnvelope(originalEnvelop));
OMElement firstChild = null; //
org.apache.axis2.context.MessageContext origAxis2Ctx =
((Axis2MessageContext) messageContext).getAxis2MessageContext();
if (JsonUtil.hasAJsonPayload(origAxis2Ctx)) {
firstChild = origAxis2Ctx.getEnvelope().getBody().getFirstElement();
} // Had to do this because MessageHelper#cloneSOAPEnvelope does not clone
// OMSourcedElemImpl correctly.
if (JsonUtil.hasAJsonPayload(firstChild)) { //
OMElement clonedFirstElement =
messageContext.getEnvelope().getBody().getFirstElement();
if (clonedFirstElement != null) {
clonedFirstElement.detach();
messageContext.getEnvelope().getBody().addChild(firstChild);
}
} // Had to do this because MessageHelper#cloneSOAPEnvelope does not clone
// OMSourcedElemImpl correctly.
origAxis2Ctx.setProperty(
HTTPConstants.NON_ERROR_HTTP_STATUS_CODES, getNonRetryStatusCodes());
outCtx = sender.send(ep, messageContext);
isSuccessful = true;
} catch (Exception e) {
// this means send has failed due to some reason so we have to retry it
if (e instanceof SynapseException) {
isSuccessful = isNonRetryErrorCode(e.getCause().getMessage());
}
if (!isSuccessful) {
log.error(
"BlockingMessageSender of message processor ["
+ this.messageProcessor.getName()
+ "] failed to send message to the endpoint");
}
}
if (isSuccessful) {
if (outCtx != null) {
if ("true"
.equals(outCtx.getProperty(ForwardingProcessorConstants.BLOCKING_SENDER_ERROR))) {
// this means send has failed due to some reason so we have to retry it
isSuccessful =
isNonRetryErrorCode(
(String) outCtx.getProperty(SynapseConstants.ERROR_MESSAGE));
if (isSuccessful) {
sendThroughReplySeq(outCtx);
} else {
// This means some error has occurred so must try to send down the fault sequence.
log.error(
"BlockingMessageSender of message processor ["
+ this.messageProcessor.getName()
+ "] failed to send message to the endpoint");
sendThroughFaultSeq(outCtx);
}
} else {
// Send the message down the reply sequence if there is one
sendThroughReplySeq(outCtx);
messageConsumer.ack();
attemptCount = 0;
isSuccessful = true;
if (log.isDebugEnabled()) {
log.debug(
"Successfully sent the message to endpoint ["
+ ep.getName()
+ "]"
+ " with message processor ["
+ messageProcessor.getName()
+ "]");
}
}
} else {
// This Means we have invoked an out only operation
// remove the message and reset the count
messageConsumer.ack();
attemptCount = 0;
isSuccessful = true;
if (log.isDebugEnabled()) {
log.debug(
"Successfully sent the message to endpoint ["
+ ep.getName()
+ "]"
+ " with message processor ["
+ messageProcessor.getName()
+ "]");
}
}
}
if (!isSuccessful) {
// Then we have to retry sending the message to the client.
prepareToRetry();
} else {
if (messageProcessor.isPaused()) {
this.messageProcessor.resumeService();
log.info(
"Resuming the service of message processor [" + messageProcessor.getName() + "]");
}
}
}
} catch (Exception e) {
log.error(
"Message processor ["
+ messageProcessor.getName()
+ "] failed to send the message to"
+ " client",
e);
}
} else {
// No Target Endpoint defined for the Message
// So we do not have a place to deliver.
// Here we log a warning and remove the message
// todo: we can improve this by implementing a target inferring mechanism
log.warn(
"Property "
+ ForwardingProcessorConstants.TARGET_ENDPOINT
+ " not found in the message context , Hence removing the message ");
messageConsumer.ack();
}
return true;
}
public void init(SynapseEnvironment synapseEnvironment) {
if (endpoint != null) {
endpoint.init(synapseEnvironment);
}
initialized = true;
}
public void destroy() {
if (endpoint != null) {
endpoint.destroy();
}
synapseEnv.updateCallMediatorCount(false);
}
