2 * Copyright (c) 2016 Brocade Communication Systems and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netconf.callhome.mount;
10 import java.net.InetSocketAddress;
11 import java.net.SocketAddress;
12 import java.security.PublicKey;
13 import java.util.concurrent.ConcurrentHashMap;
14 import java.util.concurrent.ConcurrentMap;
15 import org.eclipse.jdt.annotation.Nullable;
16 import org.opendaylight.netconf.callhome.mount.CallHomeMountSessionContext.CloseCallback;
17 import org.opendaylight.netconf.callhome.protocol.CallHomeChannelActivator;
18 import org.opendaylight.netconf.callhome.protocol.CallHomeProtocolSessionContext;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
22 // Non-final for testing
23 class CallHomeMountSessionManager implements CallHomeMountSessionContext.CloseCallback {
24 private static final Logger LOG = LoggerFactory.getLogger(CallHomeMountSessionManager.class);
26 private final ConcurrentMap<SocketAddress, CallHomeMountSessionContext> contextByAddress =
27 new ConcurrentHashMap<>();
28 private final ConcurrentMap<PublicKey, CallHomeMountSessionContext> contextByPublicKey = new ConcurrentHashMap<>();
30 @Nullable CallHomeMountSessionContext getByAddress(final InetSocketAddress remoteAddr) {
31 return contextByAddress.get(remoteAddr);
34 CallHomeMountSessionContext createSession(final CallHomeProtocolSessionContext session,
35 final CallHomeChannelActivator activator, final CloseCallback onCloseHandler) {
36 final CallHomeMountSessionContext deviceContext = new CallHomeMountSessionContext(session.getSessionId(),
37 session, activator, devCtxt -> onClosed(devCtxt, onCloseHandler));
39 final PublicKey remoteKey = session.getRemoteServerKey();
40 final CallHomeMountSessionContext existing = contextByPublicKey.putIfAbsent(remoteKey, deviceContext);
41 if (existing != null) {
42 // Check if the sshkey or certificate of the incoming netconf server is present. If present return null,
43 // else store the session. The sshkey/certificate is the uniqueness of the callhome sessions not the
44 // uniqueid/devicename
45 LOG.error("Server Host Key/Certificate {} is associated with existing session {}, closing session {}",
46 remoteKey, existing, session);
51 final SocketAddress remoteAddress = session.getRemoteAddress();
52 final CallHomeMountSessionContext prev = contextByAddress.put(remoteAddress, deviceContext);
54 LOG.warn("Remote {} replaced context {} with {}", remoteAddress, prev, deviceContext);
60 public void onClosed(final CallHomeMountSessionContext deviceContext) {
61 final CallHomeProtocolSessionContext session = deviceContext.getProtocol();
62 contextByAddress.remove(session.getRemoteAddress(), deviceContext);
63 contextByPublicKey.remove(session.getRemoteServerKey(), deviceContext);
66 private void onClosed(final CallHomeMountSessionContext deviceContext, final CloseCallback onCloseHandler) {
67 onClosed(deviceContext);
68 onCloseHandler.onClosed(deviceContext);