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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.netconf;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.sshd.common.NamedFactory;
import org.apache.sshd.server.Environment;
import org.apache.sshd.server.ExitCallback;
import org.apache.sshd.server.command.Command;
/*
* NetconfSubsystem class
*/
public class NetconfSubsystem implements Command {
private static final Log log = LogFactory.getLog(Factory.class);
private InputStream in;
private OutputStream out;
private OutputStream error;
private Thread netconfHandlerThread;
private Map<String, Boolean> connectionResetMap;
private NetconfHandler netconfHandler;
public NetconfSubsystem(Map<String, Boolean> connectionResetMap) {
this.connectionResetMap = connectionResetMap;
}
public void start(Environment env) throws IOException {
// initialize netconf handler
netconfHandler = new NetconfHandler(in, out, connectionResetMap);
netconfHandlerThread = new Thread(netconfHandler, "netconfHandler thread");
netconfHandlerThread.start();
}
public void destroy() {
netconfHandler.interruptThreads();
try {
netconfHandlerThread.join(2000);
} catch (InterruptedException e) {
log.info("netconfHandler thread joining failed." + e.getMessage());
Thread.currentThread().interrupt();
}
netconfHandlerThread.interrupt();
log.info("Netconf Subsystem destroyed");
}
public static class Factory implements NamedFactory<Command> {
// a connectionResetMap is maintained for each running instance of a netconf system.
// this is a simple data structure to determine when sending events to a target needs to be terminated.
private static Map<String, Boolean> connectionResetMap = new HashMap<>();
public static Factory createFactory() {
return new Factory();
}
public String getName() {
return "netconf";
}
public Command create() {
log.info("Creating subsystem for netconf");
return new NetconfSubsystem(connectionResetMap);
}
}
public InputStream getInputStream() {
return in;
}
public void setInputStream(InputStream in) {
this.in = in;
}
public OutputStream getOutputStream() {
return out;
}
public void setOutputStream(OutputStream out) {
this.out = out;
}
public OutputStream getErrorStream() {
return error;
}
public void setErrorStream(OutputStream error) {
this.error = error;
}
public void setExitCallback(ExitCallback callback) {
//Set the callback that the shell has to call when it is closed.
}
}
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