Adding TestVNF netconf server

[demo.git] / vnfs / TestVNF / netconfserver / src / main / java / com / ericsson / testvnf / server / netconf / NetconfSubsystem.java

diff --git a/vnfs/TestVNF/netconfserver/src/main/java/com/ericsson/testvnf/server/netconf/NetconfSubsystem.java b/vnfs/TestVNF/netconfserver/src/main/java/com/ericsson/testvnf/server/netconf/NetconfSubsystem.java
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+++ b/vnfs/TestVNF/netconfserver/src/main/java/com/ericsson/testvnf/server/netconf/NetconfSubsystem.java
@@ -0,0 +1,120 @@
+/*
+ * ============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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