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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.proxy.filedistribution;
import com.yahoo.concurrent.DaemonThreadFactory;
import com.yahoo.config.subscription.ConfigSourceSet;
import com.yahoo.jrt.Supervisor;
import com.yahoo.vespa.config.ConnectionPool;
import com.yahoo.vespa.config.JRTConnectionPool;
import com.yahoo.vespa.filedistribution.FileDistributionConnectionPool;
import com.yahoo.vespa.filedistribution.FileDownloader;
import java.time.Duration;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;
import static java.util.logging.Level.INFO;
/**
* Keeps track of file distribution and url download rpc servers.
*
* @author hmusum
*/
public class FileDistributionAndUrlDownload {
private static final Logger log = Logger.getLogger(FileDistributionAndUrlDownload.class.getName());
private static final Duration delay = Duration.ofMinutes(1);
private final FileDistributionRpcServer fileDistributionRpcServer;
private final UrlDownloadRpcServer urlDownloadRpcServer;
private final ScheduledExecutorService cleanupExecutor =
new ScheduledThreadPoolExecutor(1, new DaemonThreadFactory("file references and downloads cleanup"));
public FileDistributionAndUrlDownload(Supervisor supervisor, ConfigSourceSet source) {
fileDistributionRpcServer =
new FileDistributionRpcServer(supervisor,
new FileDownloader(createConnectionPool(supervisor, source), supervisor, Duration.ofMinutes(5)));
urlDownloadRpcServer = new UrlDownloadRpcServer(supervisor);
cleanupExecutor.scheduleAtFixedRate(new CachedFilesMaintainer(), delay.toSeconds(), delay.toSeconds(), TimeUnit.SECONDS);
}
public void close() {
fileDistributionRpcServer.close();
urlDownloadRpcServer.close();
cleanupExecutor.shutdownNow();
try {
if ( ! cleanupExecutor.awaitTermination(10, TimeUnit.SECONDS))
throw new RuntimeException("Unable to shutdown " + cleanupExecutor + " before timeout");
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
private static ConnectionPool createConnectionPool(Supervisor supervisor, ConfigSourceSet source) {
String useFileDistributionConnectionPool = System.getenv("VESPA_CONFIG_PROXY_USE_FILE_DISTRIBUTION_CONNECTION_POOL");
// TODO: Lower log level or remove when verified
log.log(INFO, "VESPA_CONFIG_PROXY_USE_FILE_DISTRIBUTION_CONNECTION_POOL: " + useFileDistributionConnectionPool);
if (useFileDistributionConnectionPool != null && useFileDistributionConnectionPool.equalsIgnoreCase("true"))
return new FileDistributionConnectionPool(source, supervisor);
else
return new JRTConnectionPool(source, supervisor);
}
}
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