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/*-
* ============LICENSE_START=======================================================
* simulators
* ================================================================================
* Copyright (C) 2017-2019, 2021 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2019, 2023 Nordix Foundation.
* ================================================================================
* 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.onap.policy.simulators;
import java.io.IOException;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.onap.policy.common.endpoints.http.server.HttpServletServer;
import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
import org.onap.policy.common.parameters.ParameterRuntimeException;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.onap.policy.common.utils.network.NetworkUtil;
import org.onap.policy.common.utils.resources.ResourceUtils;
import org.onap.policy.models.sim.dmaap.parameters.DmaapSimParameterGroup;
import org.onap.policy.models.sim.dmaap.provider.DmaapSimProvider;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class Util {
public static final String AAISIM_SERVER_NAME = "aaiSim";
public static final String SOSIM_SERVER_NAME = "soSim";
public static final String VFCSIM_SERVER_NAME = "vfcSim";
public static final String XACMLSIM_SERVER_NAME = "xacmlSim";
public static final String SDNCSIM_SERVER_NAME = "sdncSim";
public static final int AAISIM_SERVER_PORT = 6666;
public static final int SOSIM_SERVER_PORT = 6667;
public static final int VFCSIM_SERVER_PORT = 6668;
public static final int XACMLSIM_SERVER_PORT = 6669;
public static final int SDNCSIM_SERVER_PORT = 6670;
public static final int CDSSIM_SERVER_PORT = 6671;
public static final int DMAAPSIM_SERVER_PORT = 3904;
private static final String CANNOT_PROCESS_PARAMETERS = "cannot parse parameters ";
private static final String CANNOT_CONNECT = "cannot connect to port ";
public static final String LOCALHOST = "127.0.0.1";
/**
* Build an A&AI simulator.
*
* @throws InterruptedException if a thread is interrupted
*/
public static HttpServletServer buildAaiSim() throws InterruptedException {
final HttpServletServer testServer = HttpServletServerFactoryInstance.getServerFactory()
.build(AAISIM_SERVER_NAME, LOCALHOST, AAISIM_SERVER_PORT, "/", false, true);
testServer.addServletClass("/*", AaiSimulatorJaxRs.class.getName());
testServer.waitedStart(5000);
waitForServerToListen(testServer.getPort());
return testServer;
}
/**
* Build a CDS simulator.
*
* @return the simulator
* @throws InterruptedException if a thread is interrupted
* @throws IOException if an I/O error occurs
*/
public static CdsSimulator buildCdsSim() throws InterruptedException, IOException {
final var testServer = new CdsSimulator(LOCALHOST, CDSSIM_SERVER_PORT);
testServer.start();
waitForServerToListen(testServer.getPort());
return testServer;
}
/**
* Build an SDNC simulator.
*
* @throws InterruptedException if a thread is interrupted
*/
public static HttpServletServer buildSdncSim() throws InterruptedException {
final HttpServletServer testServer = HttpServletServerFactoryInstance.getServerFactory()
.build(SDNCSIM_SERVER_NAME, LOCALHOST, SDNCSIM_SERVER_PORT, "/", false, true);
testServer.addServletClass("/*", SdncSimulatorJaxRs.class.getName());
testServer.waitedStart(5000);
waitForServerToListen(testServer.getPort());
return testServer;
}
/**
* Build an SO simulator.
*
* @throws InterruptedException if a thread is interrupted
*/
public static HttpServletServer buildSoSim() throws InterruptedException {
final HttpServletServer testServer = HttpServletServerFactoryInstance.getServerFactory()
.build(SOSIM_SERVER_NAME, LOCALHOST, SOSIM_SERVER_PORT, "/", false, true);
testServer.addServletClass("/*", SoSimulatorJaxRs.class.getName());
testServer.waitedStart(5000);
waitForServerToListen(testServer.getPort());
return testServer;
}
/**
* Build a VFC simulator.
*
* @throws InterruptedException if a thread is interrupted
*/
public static HttpServletServer buildVfcSim() throws InterruptedException {
final HttpServletServer testServer = HttpServletServerFactoryInstance.getServerFactory()
.build(VFCSIM_SERVER_NAME, LOCALHOST, VFCSIM_SERVER_PORT, "/", false, true);
testServer.addServletClass("/*", VfcSimulatorJaxRs.class.getName());
testServer.waitedStart(5000);
waitForServerToListen(testServer.getPort());
return testServer;
}
/**
* Build a xacml simulator.
*
* @throws InterruptedException if a thread is interrupted
*/
public static HttpServletServer buildXacmlSim() throws InterruptedException {
HttpServletServer testServer = HttpServletServerFactoryInstance.getServerFactory().build(XACMLSIM_SERVER_NAME,
LOCALHOST, XACMLSIM_SERVER_PORT, "/", false, true);
testServer.addServletClass("/*", XacmlSimulatorJaxRs.class.getName());
testServer.waitedStart(5000);
waitForServerToListen(testServer.getPort());
return testServer;
}
/**
* Builds an unauthenticated HTTP DMaaP simulator.
*
* @return the simulator
* @throws InterruptedException if a thread is interrupted
*/
public static HttpServletServer buildDmaapSim() throws InterruptedException {
return buildDmaapSim("org/onap/policy/simulators/dmaap/DmaapParameters.json");
}
/**
* Build a DMaaP simulator from a properties file.
*
* @param resourceName the name of the properties file
* @return the simulator
* @throws InterruptedException if a thread is interrupted
*/
public static HttpServletServer buildDmaapSim(String resourceName) throws InterruptedException {
var json = ResourceUtils.getResourceAsString(resourceName);
DmaapSimParameterGroup params;
try {
params = new StandardCoder().decode(json, DmaapSimParameterGroup.class);
} catch (CoderException ce) {
throw new ParameterRuntimeException(
CANNOT_PROCESS_PARAMETERS + resourceName, ce);
}
DmaapSimProvider.setInstance(new DmaapSimProvider(params));
var props = params.getRestServerParameters().getServerProperties();
final String svcpfx = PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "."
+ params.getRestServerParameters().getName();
props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX, "true");
HttpServletServer testServer = HttpServletServerFactoryInstance.getServerFactory().build(props).get(0);
testServer.waitedStart(5000);
waitForServerToListen(testServer.getPort());
return testServer;
}
private static void waitForServerToListen(int port) throws InterruptedException {
if (!NetworkUtil.isTcpPortOpen(LOCALHOST, port, 200, 250L)) {
throw new IllegalStateException(CANNOT_CONNECT + port);
}
}
}
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