Adding TestVNF netconf server

TestVNF netconf server is a partial implementation of a netconfserver for netconf termination.
TestVNF is configurable and can be used for testing purposes.

Issue-ID: INT-355
Change-Id: I98594d7df57ca14582159bb006d8df51dca74ec7
Signed-off-by: a.sreekumar <ajith.sreekumar@ericsson.com>

1 files changed, 83 insertions, 0 deletions

diff --git a/vnfs/TestVNF/netconfserver/src/main/java/com/ericsson/testvnf/server/builder/ServerBuilder.java b/vnfs/TestVNF/netconfserver/src/main/java/com/ericsson/testvnf/server/builder/ServerBuilder.java
new file mode 100644
index 00000000..d6ec18ad
--- /dev/null
+++ b/vnfs/TestVNF/netconfserver/src/main/java/com/ericsson/testvnf/server/builder/ServerBuilder.java
@@ -0,0 +1,83 @@
+/*
+ * ============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.");
+	}
+}