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/*-
* ============LICENSE_START=======================================================
* org.onap.integration
* ================================================================================
* Copyright (C) 2018 NOKIA 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.onap.pnfsimulator.simulator;
import java.time.Duration;
import java.time.Instant;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.json.JSONObject;
import org.onap.pnfsimulator.simulator.client.HttpClientAdapter;
public class Simulator extends Thread {
private static final Logger LOGGER = LogManager.getLogger(Simulator.class);
private HttpClientAdapter clientProvider;
private JSONObject messageBody;
private Instant endTime;
private Duration duration;
private Duration interval;
private final boolean isEndless;
public Simulator(String vesServerUrl, JSONObject messageBody, Duration duration, Duration interval) {
this.messageBody = messageBody;
this.duration = duration;
this.interval = interval;
this.clientProvider = new HttpClientAdapter(vesServerUrl);
this.isEndless = duration.getSeconds() == 0;
}
public void run() {
LOGGER.info("Simulation started - duration: " + getDuration() + ", interval: {}s", interval.getSeconds());
endTime = Instant.now().plus(duration);
boolean isEndless = isEndless();
while (isEndless || runningTimeNotExceeded()) {
try {
LOGGER.debug("Message to be sent:\n" + messageBody.toString(4));
clientProvider.sendMsg(messageBody.toString());
Thread.sleep(interval.toMillis());
} catch (InterruptedException e) {
LOGGER.info("Simulation interrupted");
return;
}
}
LOGGER.info("Simulation finished");
}
public boolean isEndless() {
return isEndless;
}
private String getDuration() {
return isEndless() ? "infinity" : duration.getSeconds() + "s";
}
private boolean runningTimeNotExceeded() {
return Instant.now().isBefore(endTime);
}
public long getRemainingTime(){
return Duration.between(Instant.now(), endTime).getSeconds();
}
public String getMessage(){
return messageBody.toString(4);
}
}
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