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/*
* ============LICENSE_START====================================================
* org.onap.music.mdbc
* =============================================================================
* Copyright (C) 2018 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.onap.music.mdbc;
import org.onap.music.mdbc.configurations.NodeConfiguration;
import org.onap.music.mdbc.tables.MusicTxDigestDaemon;
import org.apache.calcite.avatica.remote.Driver.Serialization;
import org.apache.calcite.avatica.remote.LocalService;
import org.apache.calcite.avatica.server.HttpServer;
import org.apache.calcite.avatica.util.Unsafe;
import org.onap.music.logging.EELFLoggerDelegate;
import com.beust.jcommander.IStringConverter;
import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import java.util.Locale;
import java.util.Properties;
public class MdbcServer {
private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MdbcStatement.class);
@Parameter(names = { "-c", "--configuration" }, required = true,
description = "This is the file that contains the ranges that are assigned to this MDBC server")
private String configurationFile;
@Parameter(names = { "-u", "--url" }, required = true,
description = "JDBC driver url for the server")
private String url;
@Parameter(names = { "-p", "--port" }, required = true,
description = "Port the server should bind")
private int port;
@Parameter(names = { "-s", "--user" }, required = true,
description = "Mysql usr")
private String user;
@Parameter(names = { "-a", "--pass" }, required = true,
description = "Mysql password")
private String password;
final private Serialization serialization = Serialization.PROTOBUF;
@Parameter(names = { "-h", "-help", "--help" }, help = true,
description = "Print the help message")
private boolean help = false;
private NodeConfiguration config;
private HttpServer server;
private MdbcServerLogic meta;
public void start() {
if (null != server) {
logger.error("The server was already started");
Unsafe.systemExit(ExitCodes.ALREADY_STARTED.ordinal());
return;
}
try {
config = NodeConfiguration.readJsonFromFile(configurationFile);
//\TODO Add configuration file with Server Info
Properties connectionProps = new Properties();
connectionProps.put("user", user);
connectionProps.put("password", password);
String defaultMusicMixin = Utils.getDefaultMusicMixin();
if(defaultMusicMixin!=null){
connectionProps.put(Configuration.KEY_MUSIC_MIXIN_NAME,defaultMusicMixin);
}
String defaultDBMixin = Utils.getDefaultDBMixin();
if(defaultMusicMixin!=null){
connectionProps.put(Configuration.KEY_DB_MIXIN_NAME,defaultDBMixin);
}
Utils.registerDefaultDrivers();
meta = new MdbcServerLogic(url,connectionProps,config);
LocalService service = new LocalService(meta);
// Construct the server
this.server = new HttpServer.Builder<>()
.withHandler(service, serialization)
.withPort(port)
.build();
// Then start it
server.start();
logger.info("Started Avatica server on port {} with serialization {}", server.getPort(),
serialization);
} catch (Exception e) {
logger.error("Failed to start Avatica server", e);
Unsafe.systemExit(ExitCodes.START_FAILED.ordinal());
}
}
public void stop() {
if (null != server) {
meta.getStateManager().releaseAllPartitions();
server.stop();
server = null;
}
}
public void join() throws InterruptedException {
server.join();
}
public static void main(String[] args) {
final MdbcServer server = new MdbcServer();
@SuppressWarnings("deprecation")
JCommander jc = new JCommander(server, args);
if (server.help) {
jc.usage();
Unsafe.systemExit(ExitCodes.USAGE.ordinal());
return;
}
server.start();
// Try to clean up when the server is stopped.
Runtime.getRuntime().addShutdownHook(
new Thread(new Runnable() {
@Override public void run() {
logger.info("Stopping server");
server.stop();
logger.info("Server stopped");
}
}));
try {
server.join();
} catch (InterruptedException e) {
// Reset interruption
Thread.currentThread().interrupt();
// And exit now.
return;
}
}
/**
* Converter from String to Serialization. Must be public for JCommander.
*/
public static class SerializationConverter implements IStringConverter<Serialization> {
@Override public Serialization convert(String value) {
return Serialization.valueOf(value.toUpperCase(Locale.ROOT));
}
}
/**
* Codes for exit conditions
*/
private enum ExitCodes {
NORMAL,
ALREADY_STARTED, // 1
START_FAILED, // 2
USAGE; // 3
}
}
// End StandaloneServer.java
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