private Collection<Element> getConfigXML() {
ArrayList<Element> config = new ArrayList<Element>();
Element element;
element = new Element("source");
element.setText("" + source.getMote().getID());
config.add(element);
element = new Element("dest");
element.setText(superDest.getClass().getName());
Collection<Element> destConfig = superDest.getConfigXML();
if (destConfig != null) {
element.addContent(destConfig);
config.add(element);
}
return config;
}
public void simulationFinishedLoading() {
if (delayedConfiguration == null) {
return;
}
super.simulationFinishedLoading();
boolean oldConfig = false;
for (Element element : delayedConfiguration) {
if (element.getName().equals("edge")) {
@SuppressWarnings("unchecked")
Collection<Element> edgeConfig = element.getChildren();
Radio source = null;
DGRMDestinationRadio dest = null;
for (Element edgeElement : edgeConfig) {
if (edgeElement.getName().equals("src")) {
oldConfig = true;
/* Old config: lookup source mote */
for (Mote m : simulation.getMotes()) {
if (m.toString().equals(edgeElement.getText())) {
logger.info(
"Old config: mapping '" + edgeElement.getText() + "' to node " + m.getID());
source = m.getInterfaces().getRadio();
break;
}
}
} else if (edgeElement.getName().equals("source")) {
source =
simulation
.getMoteWithID(Integer.parseInt(edgeElement.getText()))
.getInterfaces()
.getRadio();
} else if (oldConfig && edgeElement.getName().equals("ratio")) {
/* Old config: parse link ratio */
double ratio = Double.parseDouble(edgeElement.getText());
dest.ratio = ratio;
} else if (edgeElement.getName().equals("dest")) {
if (oldConfig) {
/* Old config: create simple destination link */
Radio destRadio = null;
for (Mote m : simulation.getMotes()) {
if (m.toString().equals(edgeElement.getText())) {
logger.info(
"Old config: mapping '" + edgeElement.getText() + "' to node " + m.getID());
destRadio = m.getInterfaces().getRadio();
break;
}
}
dest = new DGRMDestinationRadio(destRadio);
} else {
String destClassName = edgeElement.getText().trim();
if (destClassName == null || destClassName.isEmpty()) {
continue;
}
/* Backwards compatibility: se.sics -> org.contikios */
destClassName = destClassName.replaceFirst("^se\\.sics", "org.contikios");
Class<? extends DGRMDestinationRadio> destClass =
simulation
.getCooja()
.tryLoadClass(this, DGRMDestinationRadio.class, destClassName);
if (destClass == null) {
throw new RuntimeException("Could not load class: " + destClassName);
}
try {
dest = destClass.newInstance();
@SuppressWarnings("unchecked")
List<Element> children = edgeElement.getChildren();
dest.setConfigXML(children, simulation);
} catch (Exception e) {
throw (RuntimeException)
new RuntimeException("Unknown class: " + destClassName).initCause(e);
}
}
}
}
if (source == null || dest == null) {
logger.fatal("Failed loading DGRM links, aborting");
return;
} else {
addEdge(new Edge(source, dest));
}
}
}
requestEdgeAnalysis();
delayedConfiguration = null;
}
public RadioConnection createConnections(Radio source) {
if (edgesDirty) {
analyzeEdges();
}
if (edgesDirty) {
logger.fatal("Error when analyzing edges, aborting new radio connection");
return new RadioConnection(source);
}
/* Create new radio connection using edge hash table */
RadioConnection newConn = new RadioConnection(source);
DGRMDestinationRadio[] destinations = getPotentialDestinations(source);
if (destinations == null || destinations.length == 0) {
/* No destinations */
/*logger.info(sendingRadio + ": No dest");*/
return newConn;
}
/*logger.info(source + ": " + destinations.length + " potential destinations");*/
for (DGRMDestinationRadio dest : destinations) {
if (dest.radio == source) {
/* Fail: cannot receive our own transmission */
/*logger.info(source + ": Fail, receiver is sender");*/
continue;
}
int srcc = source.getChannel();
int dstc = dest.radio.getChannel();
int edgeChannel = dest.getChannel();
if (edgeChannel >= 0 && dstc >= 0 && edgeChannel != dstc) {
/* Fail: the edge is configured for a different radio channel */
continue;
}
if (srcc >= 0 && dstc >= 0 && srcc != dstc) {
/* Fail: radios are on different (but configured) channels */
newConn.addInterfered(dest.radio);
continue;
}
if (!dest.radio.isRadioOn()) {
/* Fail: radio is off */
/*logger.info(source + ": Fail, off");*/
newConn.addInterfered(dest.radio);
continue;
}
if (dest.radio.isInterfered()) {
/* Fail: radio is interfered in another connection */
/*logger.info(source + ": Fail, interfered");*/
newConn.addInterfered(dest.radio);
continue;
}
if (dest.radio.isReceiving()) {
/* Fail: radio is already actively receiving */
/*logger.info(source + ": Fail, receiving");*/
newConn.addInterfered(dest.radio);
/* We will also interfere with the other connection */
dest.radio.interfereAnyReception();
// Find connection, that is sending to that radio
// and mark the destination as interfered
for (RadioConnection conn : getActiveConnections()) {
for (Radio dstRadio : conn.getDestinations()) {
if (dstRadio == dest.radio) {
conn.addInterfered(dest.radio);
;
break;
}
}
}
continue;
}
if (dest.ratio < 1.0 && random.nextDouble() > dest.ratio) {
/* Fail: Reception ratio */
/*logger.info(source + ": Fail, randomly");*/
newConn.addInterfered(dest.radio);
continue;
}
/* Success: radio starts receiving */
/*logger.info(source + ": OK: " + dest.radio);*/
newConn.addDestination(dest.radio, dest.delay);
}
return newConn;
}
