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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package com.ericsson.testvnf.server.builder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.server.SshServer;
import org.apache.sshd.server.command.Command;
import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;
import org.apache.sshd.server.session.ServerSession;
import com.ericsson.testvnf.server.netconf.NetconfSubsystem;
/**
* Build the server by extending a netconf subsystem
*/
public class ServerBuilder {
private static final Log log = LogFactory.getLog(ServerBuilder.class);
private SshServer sshd;
// initialize the server
public void initializeServer(String host, int listeningPort) {
log.info("Configuring server...");
sshd = SshServer.setUpDefaultServer();
sshd.setHost(host);
sshd.setPort(listeningPort);
log.info("Host: '" + host + "', listenig port: " + listeningPort);
// set the password authenticator, here the access is granted always.
sshd.setPasswordAuthenticator((String username, String password, ServerSession session) -> true);
sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider());
List<NamedFactory<Command>> subsystemFactories = new ArrayList<>();
subsystemFactories.add(NetconfSubsystem.Factory.createFactory());
sshd.setSubsystemFactories(subsystemFactories); // add the netconf subystem to the server.
log.info("Server configured.");
}
// start the server
public void startServer(){
log.info("Starting server...");
try {
sshd.start();
} catch (IOException e) {
log.error("Error starting server!", e);
}
log.info("Server started.");
}
// stop the server
public void stopServer() throws IOException {
log.info("Stopping server...");
sshd.stop();
log.info("Server stopped.");
}
}
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