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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.bpmn.mock;
import org.jboss.resteasy.client.ClientRequest;
import org.jboss.resteasy.client.ClientResponse;
import com.github.tomakehurst.wiremock.client.ResponseDefinitionBuilder;
import com.github.tomakehurst.wiremock.common.BinaryFile;
import com.github.tomakehurst.wiremock.common.FileSource;
import com.github.tomakehurst.wiremock.extension.ResponseTransformer;
import com.github.tomakehurst.wiremock.http.Request;
import com.github.tomakehurst.wiremock.http.ResponseDefinition;
/**
*
* Simulates VNF Adapter Asynch Callback response.
* This should work for any of the operations.
*
* This transformer uses the mapped message as the asynchronous response.
* By definition, the async API sends a 202 (with no body) in the sync response.
*
*/
public class VnfAdapterAsyncTransformer extends ResponseTransformer {
public VnfAdapterAsyncTransformer() {
}
public String name() {
return "vnf-adapter-async";
}
/**
* Grab the incoming request, extract properties to be copied to the response
* (request id, vnf id, vf module ID, message ID). Then fetch the actual response
* body from its FileSource, make the replacements.
*
* The sync response is an empty 202 response.
* The transformed mapped response file is sent asynchronously after a delay.
*
* Mock Resource can be used to add dynamic properties. If vnf_delay is not in the list by
* default waits for 5s before the callback response is sent
*/
@Override
public ResponseDefinition transform(Request request, ResponseDefinition responseDefinition,
FileSource fileSource) {
String requestBody = request.getBodyAsString();
// Note: Should recognize both XML and JSON. But current BPMN uses XML.
String notificationUrl = requestBody.substring(requestBody.indexOf("<notificationUrl>")+17, requestBody.indexOf("</notificationUrl>"));
String vnfId = requestBody.substring(requestBody.indexOf("<vnfId>")+7, requestBody.indexOf("</vnfId>"));
String vfModuleId = requestBody.substring(requestBody.indexOf("<vfModuleId>")+12, requestBody.indexOf("</vfModuleId>"));
String messageId = requestBody.substring(requestBody.indexOf("<messageId>")+11, requestBody.indexOf("</messageId>"));
String requestId = requestBody.substring(requestBody.indexOf("<requestId>")+11, requestBody.indexOf("</requestId>"));
System.out.println("responseDefinition: " + responseDefinition);
// For this mock, the mapped response body is the Async callback (since the sync response is generic for all requests)
String vnfResponse = responseDefinition.getBody();
System.out.println("VNF Response:" + vnfResponse);
if (vnfResponse == null) {
// Body wasn't specified. Check for a body file
String bodyFileName = responseDefinition.getBodyFileName();
System.out.println("bodyFileName" + bodyFileName);
if (bodyFileName != null) {
System.out.println("fileSource Class: " + fileSource.getClass().getName());
BinaryFile bodyFile = fileSource.getBinaryFileNamed(bodyFileName);
byte[] responseFile = bodyFile.readContents();
vnfResponse = new String(responseFile);
System.out.println("vnfResponse(2):" + vnfResponse);
}
}
// Transform the SDNC response to escape < and >
vnfResponse = vnfResponse.replaceAll ("VNF_ID", vnfId);
vnfResponse = vnfResponse.replaceAll ("VF_MODULE_ID", vfModuleId);
vnfResponse = vnfResponse.replaceAll ("REQUEST_ID", requestId);
vnfResponse = vnfResponse.replaceAll ("MESSAGE_ID", messageId);
Object vnfDelay = MockResource.getMockProperties().get("vnf_delay");
int delay = 5000;
if (vnfDelay != null) {
delay = Integer.parseInt(vnfDelay.toString());
}
//Kick off callback thread
System.out.println("notification Url:" + notificationUrl + ":delay:" + delay);
CallbackResponseThread calbackResponseThread = new CallbackResponseThread(notificationUrl,vnfResponse, delay);
calbackResponseThread.start();
//return 200 OK with empty body
return ResponseDefinitionBuilder
.like(responseDefinition).but()
.withStatus(202).withBody("").withHeader("Content-Type", "text/xml")
.build();
}
@Override
public boolean applyGlobally() {
return false;
}
/**
*
* Callback response thread which sends the callback response asynchronously
*
*/
private class CallbackResponseThread extends Thread {
private String callbackUrl;
private String payLoad;
private int delay;
public CallbackResponseThread(String callbackUrl, String payLoad, int delay) {
this.callbackUrl = callbackUrl;
this.payLoad = payLoad;
this.delay = delay;
}
public void run () {
try {
//Delay sending callback response
sleep(delay);
} catch (InterruptedException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
System.out.println("Sending callback response:" + callbackUrl);
ClientRequest request = new ClientRequest(callbackUrl);
request.body("text/xml", payLoad);
System.err.println(payLoad);
try {
ClientResponse result = request.post();
//System.err.println("Successfully posted callback:" + result.getStatus());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
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