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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright © 2021 Orange.
* ================================================================================
* 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.mr.test.clients;
import org.onap.dmaap.mr.client.MRBatchingPublisher;
import org.onap.dmaap.mr.client.MRClientFactory;
import org.onap.dmaap.mr.client.MRPublisher.Message;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
/**
* A simple publisher that reads from std in, sending each line as a message.
*
* @author author
*/
public class ConsolePublisher {
private static final Logger logger = LoggerFactory.getLogger(ConsolePublisher.class);
private ConsolePublisher() {
}
public static void main(String[] args) throws IOException //throws IOException, InterruptedException
{
// read the hosts(s) from the command line
final String hosts = args.length > 0 ? args[0] : "mr1.onap.com,mr2.onap.com,mr3.onap.com";
// read the topic name from the command line
final String topic = args.length > 1 ? args[1] : "TEST-TOPIC";
// read the topic name from the command line
final String partition = args.length > 2 ? args[2] : UUID.randomUUID().toString();
// set up some batch limits and the compression flag
final int maxBatchSize = 100;
final long maxAgeMs = 250;
final boolean withGzip = false;
// create our publisher
final MRBatchingPublisher pub = MRClientFactory.createBatchingPublisher(hosts, topic, maxBatchSize, maxAgeMs, withGzip);
final BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
try {
String line = null;
while ((line = cin.readLine()) != null) {
pub.send(partition, line);
}
} finally {
List<Message> leftovers = null;
try {
leftovers = pub.close(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
logger.error("Send on close interrupted.");
Thread.currentThread().interrupt();
}
for (Message m : leftovers) {
logger.error("Unsent message: " + m.fMsg);
}
}
}
}
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