[cooja] interfaces/IPAddress: Reimplementation of the IPAddress interface
New features: * extended interface * Shows all IPv6 addresses of a mote * Shows link local IP in visualizer * Reads IPs correctly from different memory layouts
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@ -1,4 +1,5 @@
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/*
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/*
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* Copyright (c) 2014, TU Braunschweig.
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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* All rights reserved.
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*
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*
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@ -26,151 +27,279 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* SUCH DAMAGE.
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*/
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*/
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package org.contikios.cooja.interfaces;
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package org.contikios.cooja.interfaces;
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import java.util.Collection;
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import java.util.Collection;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Observable;
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import java.util.Observable;
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import java.util.Observer;
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import java.util.Observer;
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import javax.swing.JLabel;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JPanel;
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import org.apache.log4j.Logger;
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import org.apache.log4j.Logger;
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import org.jdom.Element;
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import org.contikios.cooja.ClassDescription;
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import org.contikios.cooja.ClassDescription;
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import org.contikios.cooja.Mote;
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import org.contikios.cooja.Mote;
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import org.contikios.cooja.MoteInterface;
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import org.contikios.cooja.MoteInterface;
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import org.contikios.cooja.mote.memory.MemoryInterface;
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import org.contikios.cooja.mote.memory.MemoryInterface;
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import org.contikios.cooja.mote.memory.MemoryInterface.SegmentMonitor;
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import org.contikios.cooja.mote.memory.MemoryInterface.SegmentMonitor;
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import org.contikios.cooja.mote.memory.MemoryLayout;
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import org.contikios.cooja.mote.memory.VarMemory;
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import org.contikios.cooja.mote.memory.VarMemory;
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import org.contikios.cooja.util.IPUtils;
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import org.contikios.cooja.util.IPUtils;
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import org.jdom.Element;
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/**
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/**
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* Read-only interface to IPv4 or IPv6 address.
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* Read-only interface to IPv4 or IPv6 address.
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*
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*
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* @author Fredrik Osterlind
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* @author Fredrik Osterlind
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* @author Enrico Joerns
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*/
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*/
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@ClassDescription("IP Address")
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@ClassDescription("IP Addresses")
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public class IPAddress extends MoteInterface {
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public class IPAddress extends MoteInterface {
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private static Logger logger = Logger.getLogger(IPAddress.class);
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private static final Logger logger = Logger.getLogger(IPAddress.class);
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private final VarMemory moteMem;
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private static final int IPv6_MAX_ADDRESSES = 4;
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private static final int IPv6_MAX_ADDRESSES = 4;
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private boolean ipv6IsGlobal = false;
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private int ipv6AddressIndex = -1;
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private static final int MONITORED_SIZE = 150;
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private static final int MONITORED_SIZE = 150;
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private SegmentMonitor memMonitor;
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private enum IPv {
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NONE,
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IPv4,
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IPv6
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}
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private final IPv ipVersion;
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private final VarMemory moteMem;
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private final MemoryLayout memLayout;
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private IPContainer localIPAddr = null;
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private final SegmentMonitor memMonitor;
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private List<IPContainer> ipList = new LinkedList<>();
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private int ipv6_addr_size = 0;
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private int ipv6_addr_list_offset = 0;
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public IPAddress(final Mote mote) {
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public IPAddress(final Mote mote) {
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moteMem = new VarMemory(mote.getMemory());
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moteMem = new VarMemory(mote.getMemory());
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memLayout = mote.getMemory().getLayout();
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/* If the ip memory sections changed, we recalculate addresses
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* and notify our observers.*/
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memMonitor = new MemoryInterface.SegmentMonitor() {
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memMonitor = new MemoryInterface.SegmentMonitor() {
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int accessCount = 0;
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long lastAccess = 0;
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@Override
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@Override
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public void memoryChanged(MemoryInterface memory, SegmentMonitor.EventType type, long address) {
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public void memoryChanged(MemoryInterface memory, SegmentMonitor.EventType type, long address) {
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if (type != SegmentMonitor.EventType.WRITE) {
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if (type != SegmentMonitor.EventType.WRITE) {
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return;
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return;
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}
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}
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setChanged();
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notifyObservers();
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/* XXX Quick & Dirty IPv4 update handle */
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if (ipVersion == IPv.IPv4) {
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updateIPAddresses();
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setChanged();
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notifyObservers();
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return;
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}
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/* Wait until size and offsest values are set initially,
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* then add memory monitor for each ip field */
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if ((ipv6_addr_list_offset == 0) || (ipv6_addr_size == 0)) {
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ipv6_addr_list_offset = moteMem.getByteValueOf("uip_ds6_netif_addr_list_offset");
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ipv6_addr_size = moteMem.getByteValueOf("uip_ds6_addr_size");
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/* If the variables just updated, add the final ip listeners */
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if ((ipv6_addr_list_offset != 0) && (ipv6_addr_size != 0)) {
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/* Add monitor for each IP region */
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for (int i = 0; i < IPv6_MAX_ADDRESSES; i++) {
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long addr_of_ip = moteMem.getVariableAddress("uip_ds6_if") // start address of interface
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+ ipv6_addr_list_offset // offset to ip address region
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+ i * ipv6_addr_size // offset to ith ip address
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+ 1 + memory.getLayout().getPaddingBytesFor(
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MemoryLayout.DataType.INT8,
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MemoryLayout.DataType.INT16); // skip 'isused'
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moteMem.addMemoryMonitor(
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EventType.WRITE,
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addr_of_ip,
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16, /* Size of ip address in byte */
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memMonitor);
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}
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/* Initial scan for IP address */
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updateIPAddresses();
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if (ipList.size() > 0) {
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setChanged();
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notifyObservers();
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}
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/** @TODO: Remove other listeners? */
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}
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} else {
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/** Note: works when 'isused' bit is set first
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* and address region is written sequentially */
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/* check for sequential reading of 16 byte block */
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if (address == lastAccess + 1) {
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accessCount++;
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lastAccess = address;
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if (accessCount == 16) {
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updateIPAddresses();
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setChanged();
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notifyObservers();
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lastAccess = 0;
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}
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}
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else {
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/* Check if ip write was interrupted unexpectedly last time */
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if (lastAccess != 0) {
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updateIPAddresses();
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setChanged();
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notifyObservers();
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}
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accessCount = 1;
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lastAccess = address;
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}
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}
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}
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}
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};
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};
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if (isVersion4()) {
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moteMem.addVarMonitor(SegmentMonitor.EventType.WRITE, "uip_hostaddr", memMonitor);
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/* Determine IP version an add MemoryMonitors */
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} else if (isVersion6()) {
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if (moteMem.variableExists("uip_hostaddr")) {
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moteMem.addVarMonitor(SegmentMonitor.EventType.WRITE, "uip_ds6_netif_addr_list_offset", memMonitor);
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logger.debug("IPv4 detected");
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moteMem.addVarMonitor(SegmentMonitor.EventType.WRITE, "uip_ds6_addr_size", memMonitor);
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ipVersion = IPv.IPv4;
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moteMem.addVarMonitor(SegmentMonitor.EventType.WRITE, "uip_ds6_if", memMonitor);
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moteMem.addVarMonitor(
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SegmentMonitor.EventType.WRITE,
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"uip_hostaddr",
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memMonitor);
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} else if (moteMem.variableExists("uip_ds6_netif_addr_list_offset")
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&& moteMem.variableExists("uip_ds6_addr_size")
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&& moteMem.variableExists("uip_ds6_if")) {
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logger.debug("IPv6 detected");
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ipVersion = IPv.IPv6;
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moteMem.addVarMonitor(
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SegmentMonitor.EventType.WRITE,
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"uip_ds6_netif_addr_list_offset",
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memMonitor);
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moteMem.addVarMonitor(
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SegmentMonitor.EventType.WRITE,
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"uip_ds6_addr_size",
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memMonitor);
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} else {
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ipVersion = IPv.NONE;
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}
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}
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// initially look for IPs we already have
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updateIPAddresses();
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}
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/**
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* Returns true if any IP stack (Ipv4/6) is supported by mote
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* @return true if either IPv4 or IPv6 was detected
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*/
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public boolean hasIP() {
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return !(ipVersion == IPv.NONE);
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}
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/**
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* Get local IP of mote.
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* @return local IP or null if not existing
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*/
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public IPContainer getLocalIP() {
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return localIPAddr;
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}
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}
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/**
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/**
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* Returns IP address string.
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* Returns IP address string.
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* Supports both IPv4 and IPv6 addresses.
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* Supports both IPv4 and IPv6 addresses.
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*
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*
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* @param idx
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* @return IP address string
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* @return IP address string
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*/
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*/
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public String getIPString() {
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public IPContainer getIP(int idx) {
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if (isVersion4()) {
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try {
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byte[] ip = moteMem.getByteArray("uip_hostaddr", 4);
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return ipList.get(idx);
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return IPUtils.getIPv4AddressString(ip);
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} catch (IndexOutOfBoundsException ex) {
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} else if (isVersion6()) {
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logger.warn("Invalid IP index " + idx);
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return IPUtils.getCompressedIPv6AddressString(getIPv6Address());
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return null;
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}
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}
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return null;
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}
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}
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public byte[] getIPv6Address() {
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/**
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byte[] ip = null;
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* Rereads IP addresses from memory and updates localIP entry.
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*/
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private void updateIPAddresses() {
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ipList.clear();
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if (ipVersion == IPv.IPv4) {
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addIPv4Addresses();
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localIPAddr = ipList.get(0);
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}
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else if (ipVersion == IPv.IPv6) {
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addIPv6Addresses();
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/* look for local ip addr */
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for (IPContainer c : ipList) {
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if (!c.isGlobal) {
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localIPAddr = c;
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}
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}
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}
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}
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/**
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* Rereads IPv4 addresses from memory.
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*/
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private void addIPv4Addresses() {
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ipList.add(new IPContainer(0, moteMem.getByteArray("uip_hostaddr", 4), true));
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}
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/**
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* Rereads IPv6 addresses from memory.
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*/
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private void addIPv6Addresses() {
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/* IpV6: Struct sizes and offsets */
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/* IpV6: Struct sizes and offsets */
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int ipv6NetworkInterfaceAddressOffset = moteMem.getByteValueOf("uip_ds6_netif_addr_list_offset");
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int ipv6NetworkInterfaceAddressOffset = moteMem.getByteValueOf("uip_ds6_netif_addr_list_offset");
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int ipv6AddressStructSize = moteMem.getByteValueOf("uip_ds6_addr_size");
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int ipv6AddressStructSize = moteMem.getByteValueOf("uip_ds6_addr_size");
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/* check if addresses were not set yet */
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if (ipv6NetworkInterfaceAddressOffset == 0 || ipv6AddressStructSize == 0) {
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if (ipv6NetworkInterfaceAddressOffset == 0 || ipv6AddressStructSize == 0) {
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return null;
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return;
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}
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}
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/* TODO No need to copy the entire array! */
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byte[] structData = moteMem.getByteArray(
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byte[] structData = moteMem.getByteArray(
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"uip_ds6_if",
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moteMem.getVariableAddress("uip_ds6_if") + ipv6NetworkInterfaceAddressOffset,
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ipv6NetworkInterfaceAddressOffset + IPv6_MAX_ADDRESSES * ipv6AddressStructSize);
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IPv6_MAX_ADDRESSES * ipv6AddressStructSize);
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ipv6AddressIndex = -1;
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for (int addressIndex = 0; addressIndex < IPv6_MAX_ADDRESSES; addressIndex++) {
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for (int addressIndex = 0; addressIndex < IPv6_MAX_ADDRESSES; addressIndex++) {
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int offset = ipv6NetworkInterfaceAddressOffset + addressIndex * ipv6AddressStructSize;
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int offset = addressIndex * ipv6AddressStructSize;
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byte isUsed = structData[offset];
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byte isUsed = structData[offset];
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if (isUsed == 0) {
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if (isUsed == 0) {
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continue;
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continue;
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}
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}
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byte[] addressData = new byte[16];
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byte[] addressData = new byte[16];
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System.arraycopy(
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System.arraycopy(
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structData, offset + 2/* ipaddr offset */,
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structData, offset + 1 + memLayout.getPaddingBytesFor(
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MemoryLayout.DataType.INT8,
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MemoryLayout.DataType.INT16),/* ipaddr offset */
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addressData, 0, 16);
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addressData, 0, 16);
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if (addressData[0] == (byte) 0xFE && addressData[1] == (byte) 0x80) {
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if (((addressData[0] & (byte) 0xFF) == (byte) 0xFE) && ((addressData[1] & (byte) 0xFF) == (byte) 0x80)) {
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ipv6IsGlobal = false;
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ipList.add(new IPContainer(addressIndex, addressData, false));
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} else {
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}
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ipv6IsGlobal = true;
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else {
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ipList.add(new IPContainer(addressIndex, addressData, true));
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}
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}
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ip = addressData;
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ipv6AddressIndex = addressIndex;
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if (ipv6IsGlobal) {
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break;
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}
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}
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}
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if (ip == null) {
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ip = new byte[16];
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ipv6AddressIndex = -1;
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}
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return ip;
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}
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}
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/**
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// -- MoteInterface overrides
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* @return True if mote has an IPv4 address
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*/
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public boolean isVersion4() {
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return moteMem.variableExists("uip_hostaddr");
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}
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/**
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* @return True if mote has an IPv6 address
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*/
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public boolean isVersion6() {
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return moteMem.variableExists("uip_ds6_netif_addr_list_offset")
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&& moteMem.variableExists("uip_ds6_addr_size")
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&& moteMem.variableExists("uip_ds6_if");
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}
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@Override
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@Override
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public void removed() {
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public void removed() {
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super.removed();
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super.removed();
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if (memMonitor != null) {
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if (memMonitor != null) {
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if (isVersion4()) {
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if (ipVersion == IPv.IPv4) {
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moteMem.removeVarMonitor("rimeaddr_node_addr", memMonitor);
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moteMem.removeVarMonitor("uip_hostaddr",memMonitor);
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} else if (isVersion6()) {
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}
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else if (ipVersion == IPv.IPv6) {
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moteMem.removeVarMonitor("uip_ds6_netif_addr_list_offset", memMonitor);
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moteMem.removeVarMonitor("uip_ds6_netif_addr_list_offset", memMonitor);
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moteMem.removeVarMonitor("uip_ds6_addr_size", memMonitor);
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moteMem.removeVarMonitor("uip_ds6_addr_size", memMonitor);
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moteMem.removeVarMonitor("uip_ds6_if", memMonitor);
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moteMem.removeVarMonitor("uip_ds6_if", memMonitor);
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@ -187,14 +316,28 @@ public class IPAddress extends MoteInterface {
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this.addObserver(observer = new Observer() {
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this.addObserver(observer = new Observer() {
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@Override
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@Override
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public void update(Observable obs, Object obj) {
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public void update(Observable obs, Object obj) {
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if (isVersion4()) {
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StringBuilder ipStr = new StringBuilder();
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ipLabel.setText("IPv4 address: " + getIPString());
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ipStr.append("<html>");
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} else if (isVersion6()) {
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for (IPContainer ipc: ipList) {
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ipLabel.setText((ipv6IsGlobal ? "Global" : "Local")
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if (ipVersion == IPv.IPv4) {
|
||||||
+ " IPv6 address(#" + ipv6AddressIndex + "): " + getIPString());
|
ipStr.append("IPv4 address: ")
|
||||||
} else {
|
.append(ipc.toString())
|
||||||
ipLabel.setText("Unknown IP");
|
.append("<br>");
|
||||||
|
}
|
||||||
|
else if (ipVersion == IPv.IPv6) {
|
||||||
|
ipStr.append(ipc.isGlobal() ? "Global" : "Local")
|
||||||
|
.append(" IPv6 address(#")
|
||||||
|
.append(ipc.getAddID())
|
||||||
|
.append("): ")
|
||||||
|
.append(ipc.toString())
|
||||||
|
.append("<br>");
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
ipStr.append("Unknown IP<br>");
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
ipStr.append("</html>");
|
||||||
|
ipLabel.setText(ipStr.toString());
|
||||||
}
|
}
|
||||||
});
|
});
|
||||||
observer.update(null, null);
|
observer.update(null, null);
|
||||||
@ -223,4 +366,60 @@ public class IPAddress extends MoteInterface {
|
|||||||
@Override
|
@Override
|
||||||
public void setConfigXML(Collection<Element> configXML, boolean visAvailable) {
|
public void setConfigXML(Collection<Element> configXML, boolean visAvailable) {
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Holds a single IP address.
|
||||||
|
*
|
||||||
|
* Note: The compressed IP version is already computed in constructor
|
||||||
|
*/
|
||||||
|
public class IPContainer {
|
||||||
|
|
||||||
|
private boolean isGlobal = false;
|
||||||
|
private final byte[] ip;
|
||||||
|
private final int addrIdx;
|
||||||
|
private final String cprString;
|
||||||
|
|
||||||
|
public IPContainer(int addidx, byte[] ip, boolean global) {
|
||||||
|
this.addrIdx = addidx;
|
||||||
|
this.ip = ip;
|
||||||
|
this.isGlobal = global;
|
||||||
|
if (ipVersion == IPv.IPv4) {
|
||||||
|
cprString = IPUtils.getIPv4AddressString(ip);
|
||||||
|
} else if (ipVersion == IPv.IPv6) {
|
||||||
|
cprString = IPUtils.getCompressedIPv6AddressString(ip);
|
||||||
|
} else {
|
||||||
|
cprString = "";
|
||||||
|
}
|
||||||
|
/* logger.info("Added new IP: " + cprString); */
|
||||||
|
}
|
||||||
|
|
||||||
|
public int getAddID() {
|
||||||
|
return addrIdx;
|
||||||
|
}
|
||||||
|
|
||||||
|
public boolean isGlobal() {
|
||||||
|
return isGlobal;
|
||||||
|
}
|
||||||
|
|
||||||
|
public byte[] getIP() {
|
||||||
|
return ip;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public String toString() {
|
||||||
|
return cprString;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String toUncompressedString() {
|
||||||
|
if (ipVersion == IPv.IPv4) {
|
||||||
|
return cprString;
|
||||||
|
}
|
||||||
|
else if (ipVersion == IPv.IPv6) {
|
||||||
|
return IPUtils.getUncompressedIPv6AddressString(ip);
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
return "";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
@ -128,8 +128,11 @@ public class AddressVisualizerSkin implements VisualizerSkin {
|
|||||||
|
|
||||||
private static String getMoteString(Mote mote) {
|
private static String getMoteString(Mote mote) {
|
||||||
IPAddress ipAddr = mote.getInterfaces().getIPAddress();
|
IPAddress ipAddr = mote.getInterfaces().getIPAddress();
|
||||||
if (ipAddr != null && ipAddr.getIPString() != null) {
|
if ((ipAddr != null) && (ipAddr.hasIP())) {
|
||||||
return ipAddr.getIPString();
|
if (ipAddr.getLocalIP() == null) {
|
||||||
|
return "";
|
||||||
|
}
|
||||||
|
return ipAddr.getLocalIP().toString();
|
||||||
}
|
}
|
||||||
|
|
||||||
RimeAddress rimeAddr = mote.getInterfaces().getRimeAddress();
|
RimeAddress rimeAddr = mote.getInterfaces().getRimeAddress();
|
||||||
|
Loading…
Reference in New Issue
Block a user