/**
* Copyright (c) 2010-2014, openHAB.org and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.openhab.binding.zwave.internal.protocol.serialmessage;
import org.openhab.binding.zwave.internal.protocol.SerialMessage;
import org.openhab.binding.zwave.internal.protocol.ZWaveController;
import org.openhab.binding.zwave.internal.protocol.ZWaveNode;
import org.openhab.binding.zwave.internal.protocol.event.ZWaveNetworkEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class processes a serial message from the zwave controller
* @author Chris Jackson
* @since 1.5.0
*/
public class GetRoutingInfoMessageClass extends ZWaveCommandProcessor {
private static final Logger logger = LoggerFactory.getLogger(GetRoutingInfoMessageClass.class);
private static final int NODE_BYTES = 29; // 29 bytes = 232 bits, one for each supported node by Z-Wave;
public SerialMessage doRequest(int nodeId) {
logger.debug("NODE {}: Request routing info", nodeId);
// Queue the request
SerialMessage newMessage = new SerialMessage(SerialMessage.SerialMessageClass.GetRoutingInfo, SerialMessage.SerialMessageType.Request,
SerialMessage.SerialMessageClass.GetRoutingInfo, SerialMessage.SerialMessagePriority.High);
byte[] newPayload = { (byte) nodeId,
(byte) 0, // Don't remove bad nodes
(byte) 0, // Don't remove non-repeaters
(byte) 3 // Function ID
};
newMessage.setMessagePayload(newPayload);
return newMessage;
}
@Override
public boolean handleResponse(ZWaveController zController, SerialMessage lastSentMessage, SerialMessage incomingMessage) {
int nodeId = lastSentMessage.getMessagePayloadByte(0);
logger.debug("NODE {}: Got NodeRoutingInfo request.", nodeId);
// Get the node
ZWaveNode node = zController.getNode(nodeId);
if(node == null) {
logger.error("NODE {}: Routing information for unknown node", nodeId);
transactionComplete = true;
return false;
}
node.clearNeighbors();
boolean hasNeighbors = false;
for (int by = 0; by < NODE_BYTES; by++) {
for (int bi = 0; bi < 8; bi++) {
if ((incomingMessage.getMessagePayloadByte(by) & (0x01 << bi)) != 0) {
hasNeighbors = true;
// Add the node to the neighbor list
node.addNeighbor((by << 3) + bi + 1);
}
}
}
if (!hasNeighbors) {
logger.debug("NODE {}: No neighbors reported", nodeId);
}
else {
String neighbors = "Neighbor nodes:";
for (Integer neighborNode : node.getNeighbors()) {
neighbors += " " + neighborNode;
}
logger.debug("Node {}: {}", nodeId, neighbors);
}
zController.notifyEventListeners(new ZWaveNetworkEvent(ZWaveNetworkEvent.Type.NodeRoutingInfo, nodeId,
ZWaveNetworkEvent.State.Success));
transactionComplete = true;
return false;
}
}