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fixed possible null pointer exception

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+ some formatting
This commit is contained in:
fros4943 2007-08-21 13:28:52 +00:00
parent d272b062f0
commit 7f25afcfe4
2 changed files with 149 additions and 95 deletions
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167
tools/cooja/java/se/sics/cooja/plugins/RadioLogger.java
View file

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: RadioLogger.java,v 1.9 2007/07/17 21:21:19 fros4943 Exp $ * $Id: RadioLogger.java,v 1.10 2007/08/21 13:28:52 fros4943 Exp $
*/ */
package se.sics.cooja.plugins; package se.sics.cooja.plugins;
@ -52,7 +52,7 @@ import se.sics.cooja.interfaces.Radio;
* Radio logger listens to the simulation radio medium and lists all transmitted * Radio logger listens to the simulation radio medium and lists all transmitted
* data in a table. By overriding the transformDataToString method, protocol * data in a table. By overriding the transformDataToString method, protocol
* specific data can be interpreted. * specific data can be interpreted.
* *
* @see #transformDataToString(byte[]) * @see #transformDataToString(byte[])
* @author Fredrik Osterlind * @author Fredrik Osterlind
*/ */
@ -130,8 +130,9 @@ public class RadioLogger extends VisPlugin {
); );
} }
if (col == COLUMN_TO) if (col == COLUMN_TO) {
return true; return true;
}
return false; return false;
} }
@ -145,8 +146,9 @@ public class RadioLogger extends VisPlugin {
comboBox.addItemListener(new ItemListener() { comboBox.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) { public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) { if (e.getStateChange() == ItemEvent.SELECTED) {
if (e.getItem() instanceof Mote) if (e.getItem() instanceof Mote) {
gui.signalMoteHighlight((Mote) e.getItem()); gui.signalMoteHighlight((Mote) e.getItem());
}
} }
} }
}); });
@ -155,18 +157,20 @@ public class RadioLogger extends VisPlugin {
public TableCellEditor getCellEditor(int row, int column) { public TableCellEditor getCellEditor(int row, int column) {
// Populate combo box // Populate combo box
comboBox.removeAllItems(); comboBox.removeAllItems();
if (row < 0 || row >= rowData.size()) if (row < 0 || row >= rowData.size()) {
return super.getCellEditor(row, column); return super.getCellEditor(row, column);
}
RadioConnection conn = (RadioConnection) rowData.get(row)[DATAPOS_CONNECTION]; RadioConnection conn = (RadioConnection) rowData.get(row)[DATAPOS_CONNECTION];
if (conn == null) if (conn == null) {
return super.getCellEditor(row, column); return super.getCellEditor(row, column);
}
for (Radio destRadio: conn.getDestinations()) { for (Radio destRadio: conn.getDestinations()) {
if (destRadio.getMote() != null) { if (destRadio.getMote() != null) {
comboBox.addItem(destRadio.getMote()); comboBox.addItem(destRadio.getMote());
} else { } else {
comboBox.addItem("[standalone radio]"); comboBox.addItem("[standalone radio]");
} }
} }
@ -204,8 +208,27 @@ public class RadioLogger extends VisPlugin {
dataTable.getSelectionModel().addListSelectionListener( dataTable.getSelectionModel().addListSelectionListener(
new ListSelectionListener() { new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) { public void valueChanged(ListSelectionEvent e) {
gui.signalMoteHighlight(((RadioConnection) rowData.get( int selectedRowIndex = dataTable.getSelectedRow();
dataTable.getSelectedRow())[DATAPOS_CONNECTION]).getSource().getMote()); if (selectedRowIndex < 0) {
return;
}
Object[] row = rowData.get(selectedRowIndex);
if (row == null) {
return;
}
RadioConnection conn = (RadioConnection) row[DATAPOS_CONNECTION];
if (conn == null) {
return;
}
Mote mote = conn.getSource().getMote();
if (mote == null) {
return;
}
gui.signalMoteHighlight(mote);
} }
}); });
@ -220,8 +243,9 @@ public class RadioLogger extends VisPlugin {
simulation.getRadioMedium().addRadioMediumObserver(radioMediumObserver = new Observer() { simulation.getRadioMedium().addRadioMediumObserver(radioMediumObserver = new Observer() {
public void update(Observable obs, Object obj) { public void update(Observable obs, Object obj) {
RadioConnection[] newConnections = radioMedium.getLastTickConnections(); RadioConnection[] newConnections = radioMedium.getLastTickConnections();
if (newConnections == null) if (newConnections == null) {
return; return;
}
for (RadioConnection newConnection: newConnections) { for (RadioConnection newConnection: newConnections) {
Object[] data = new Object[3]; Object[] data = new Object[3];
@ -249,19 +273,21 @@ public class RadioLogger extends VisPlugin {
/** /**
* Transform transmitted data to representable object, such as a string. * Transform transmitted data to representable object, such as a string.
* *
* @param data Transmitted data * @param data Transmitted data
* @return Representable object * @return Representable object
*/ */
public Object transformDataToString(byte[] data) { public Object transformDataToString(byte[] data) {
if (data == null) if (data == null) {
return "[unknown data]"; return "[unknown data]";
}
Packet packet = analyzePacket(data); Packet packet = analyzePacket(data);
if (packet == null) if (packet == null) {
return "Unknown packet, size " + data.length; return "Unknown packet, size " + data.length;
else } else {
return packet.getShortDescription(); return packet.getShortDescription();
}
} }
static abstract class Packet { static abstract class Packet {
@ -297,7 +323,7 @@ public class RadioLogger extends VisPlugin {
} }
public int getID() { public int getID() {
int id = int id =
((data[4] & 0xFF) << 24) + ((data[4] & 0xFF) << 24) +
((data[5] & 0xFF) << 16) + ((data[5] & 0xFF) << 16) +
((data[6] & 0xFF) << 8) + ((data[6] & 0xFF) << 8) +
@ -306,11 +332,11 @@ public class RadioLogger extends VisPlugin {
} }
public String getDestAddr() { public String getDestAddr() {
return (int) (0xff&data[8]) + "." + (int) (0xff&data[9]) + "." + (int) (0xff&data[10]) + "." + (int) (0xff&data[11]); return (0xff&data[8]) + "." + (0xff&data[9]) + "." + (0xff&data[10]) + "." + (0xff&data[11]);
} }
public int getDestSeqNo() { public int getDestSeqNo() {
int seqNo = int seqNo =
((data[12] & 0xFF) << 24) + ((data[12] & 0xFF) << 24) +
((data[13] & 0xFF) << 16) + ((data[13] & 0xFF) << 16) +
((data[14] & 0xFF) << 8) + ((data[14] & 0xFF) << 8) +
@ -319,11 +345,11 @@ public class RadioLogger extends VisPlugin {
} }
public String getOrigAddr() { public String getOrigAddr() {
return (int) (0xff&data[16]) + "." + (int) (0xff&data[17]) + "." + (int) (0xff&data[18]) + "." + (int) (0xff&data[19]); return (0xff&data[16]) + "." + (0xff&data[17]) + "." + (0xff&data[18]) + "." + (0xff&data[19]);
} }
public int getOrigSeqNo() { public int getOrigSeqNo() {
int seqNo = int seqNo =
((data[20] & 0xFF) << 24) + ((data[20] & 0xFF) << 24) +
((data[21] & 0xFF) << 16) + ((data[21] & 0xFF) << 16) +
((data[22] & 0xFF) << 8) + ((data[22] & 0xFF) << 8) +
@ -350,14 +376,16 @@ public class RadioLogger extends VisPlugin {
} }
public static boolean dataFits(byte[] packetData) { public static boolean dataFits(byte[] packetData) {
if (packetData.length != SIZE) if (packetData.length != SIZE) {
return false; return false;
}
byte[] dataNoHeader = new byte[HEADER_SIZE]; byte[] dataNoHeader = new byte[HEADER_SIZE];
System.arraycopy(packetData, packetData.length - HEADER_SIZE, dataNoHeader, 0, HEADER_SIZE); System.arraycopy(packetData, packetData.length - HEADER_SIZE, dataNoHeader, 0, HEADER_SIZE);
if (dataNoHeader[0] != TYPE) if (dataNoHeader[0] != TYPE) {
return false; return false;
}
return true; return true;
} }
@ -392,11 +420,11 @@ public class RadioLogger extends VisPlugin {
} }
public String getDestAddr() { public String getDestAddr() {
return (int) (0xff&data[4]) + "." + (int) (0xff&data[5]) + "." + (int) (0xff&data[6]) + "." + (int) (0xff&data[7]); return (0xff&data[4]) + "." + (0xff&data[5]) + "." + (0xff&data[6]) + "." + (0xff&data[7]);
} }
public int getDestSeqNo() { public int getDestSeqNo() {
int seqNo = int seqNo =
((data[8] & 0xFF) << 24) + ((data[8] & 0xFF) << 24) +
((data[9] & 0xFF) << 16) + ((data[9] & 0xFF) << 16) +
((data[10] & 0xFF) << 8) + ((data[10] & 0xFF) << 8) +
@ -405,11 +433,11 @@ public class RadioLogger extends VisPlugin {
} }
public String getOrigAddr() { public String getOrigAddr() {
return (int) (0xff&data[12]) + "." + (int) (0xff&data[13]) + "." + (int) (0xff&data[14]) + "." + (int) (0xff&data[15]); return (0xff&data[12]) + "." + (0xff&data[13]) + "." + (0xff&data[14]) + "." + (0xff&data[15]);
} }
public int getLifetime() { public int getLifetime() {
int seqNo = int seqNo =
((data[16] & 0xFF) << 24) + ((data[16] & 0xFF) << 24) +
((data[17] & 0xFF) << 16) + ((data[17] & 0xFF) << 16) +
((data[18] & 0xFF) << 8) + ((data[18] & 0xFF) << 8) +
@ -423,7 +451,7 @@ public class RadioLogger extends VisPlugin {
public String getToolTip() { public String getToolTip() {
return "<html>" + return "<html>" +
"AODV RREP type: " + getType() + "<br>" + "AODV RREP type: " + getType() + "<br>" +
"AODV RREP flags: " + getFlags() + "<br>" + "AODV RREP flags: " + getFlags() + "<br>" +
"AODV RREP prefix: " + getPrefix() + "<br>" + "AODV RREP prefix: " + getPrefix() + "<br>" +
"AODV RREP hop_count: " + getHopCount() + "<br>" + "AODV RREP hop_count: " + getHopCount() + "<br>" +
@ -435,14 +463,16 @@ public class RadioLogger extends VisPlugin {
} }
public static boolean dataFits(byte[] packetData) { public static boolean dataFits(byte[] packetData) {
if (packetData.length != SIZE) if (packetData.length != SIZE) {
return false; return false;
}
byte[] dataNoHeader = new byte[HEADER_SIZE]; byte[] dataNoHeader = new byte[HEADER_SIZE];
System.arraycopy(packetData, packetData.length - HEADER_SIZE, dataNoHeader, 0, HEADER_SIZE); System.arraycopy(packetData, packetData.length - HEADER_SIZE, dataNoHeader, 0, HEADER_SIZE);
if (dataNoHeader[0] != TYPE) if (dataNoHeader[0] != TYPE) {
return false; return false;
}
return true; return true;
} }
@ -476,11 +506,11 @@ public class RadioLogger extends VisPlugin {
} }
public String getUnreachAddr() { public String getUnreachAddr() {
return (int) (0xff&data[4]) + "." + (int) (0xff&data[5]) + "." + (int) (0xff&data[6]) + "." + (int) (0xff&data[7]); return (0xff&data[4]) + "." + (0xff&data[5]) + "." + (0xff&data[6]) + "." + (0xff&data[7]);
} }
public int getUnreachSeqNo() { public int getUnreachSeqNo() {
int seqNo = int seqNo =
((data[8] & 0xFF) << 24) + ((data[8] & 0xFF) << 24) +
((data[9] & 0xFF) << 16) + ((data[9] & 0xFF) << 16) +
((data[10] & 0xFF) << 8) + ((data[10] & 0xFF) << 8) +
@ -494,7 +524,7 @@ public class RadioLogger extends VisPlugin {
public String getToolTip() { public String getToolTip() {
return "<html>" + return "<html>" +
"AODV RERR type: " + getType() + "<br>" + "AODV RERR type: " + getType() + "<br>" +
"AODV RERR flags: " + getFlags() + "<br>" + "AODV RERR flags: " + getFlags() + "<br>" +
"AODV RERR reserved: " + getReserved() + "<br>" + "AODV RERR reserved: " + getReserved() + "<br>" +
"AODV RERR dest_count: " + getDestCount() + "<br>" + "AODV RERR dest_count: " + getDestCount() + "<br>" +
@ -504,14 +534,16 @@ public class RadioLogger extends VisPlugin {
} }
public static boolean dataFits(byte[] packetData) { public static boolean dataFits(byte[] packetData) {
if (packetData.length != SIZE) if (packetData.length != SIZE) {
return false; return false;
}
byte[] dataNoHeader = new byte[HEADER_SIZE]; byte[] dataNoHeader = new byte[HEADER_SIZE];
System.arraycopy(packetData, packetData.length - HEADER_SIZE, dataNoHeader, 0, HEADER_SIZE); System.arraycopy(packetData, packetData.length - HEADER_SIZE, dataNoHeader, 0, HEADER_SIZE);
if (dataNoHeader[0] != TYPE) if (dataNoHeader[0] != TYPE) {
return false; return false;
}
return true; return true;
} }
@ -526,7 +558,7 @@ public class RadioLogger extends VisPlugin {
} }
public int getChecksum() { public int getChecksum() {
int checksum = int checksum =
((data[3] & 0xFF) << 8) + ((data[3] & 0xFF) << 8) +
((data[4] & 0xFF) << 0); ((data[4] & 0xFF) << 0);
return checksum; return checksum;
@ -538,27 +570,31 @@ public class RadioLogger extends VisPlugin {
public String getToolTip() { public String getToolTip() {
return "<html>" + return "<html>" +
"ACK checksum: " + getChecksum() + "<br>" + "ACK checksum: " + getChecksum() + "<br>" +
"</html>"; "</html>";
} }
public static boolean dataFits(byte[] packetData) { public static boolean dataFits(byte[] packetData) {
if (packetData.length != SIZE) if (packetData.length != SIZE) {
return false; return false;
}
if (packetData[0] != (byte) 'a') if (packetData[0] != (byte) 'a') {
return false; return false;
}
if (packetData[1] != (byte) 'C')
if (packetData[1] != (byte) 'C') {
return false; return false;
}
if (packetData[2] != (byte) 'k')
if (packetData[2] != (byte) 'k') {
return false; return false;
}
return true; return true;
} }
}; };
static class ForwardedPacketUnknown extends PacketUnknown { static class ForwardedPacketUnknown extends PacketUnknown {
public final static int MINIMUM_SIZE = 4; public final static int MINIMUM_SIZE = 4;
@ -571,21 +607,26 @@ public class RadioLogger extends VisPlugin {
} }
public static boolean dataFits(byte[] packetData) { public static boolean dataFits(byte[] packetData) {
if (packetData.length < ForwardedPacketUnknown.MINIMUM_SIZE) if (packetData.length < ForwardedPacketUnknown.MINIMUM_SIZE) {
return false; return false;
}
if (packetData[0] != (byte) 'f')
if (packetData[0] != (byte) 'f') {
return false; return false;
}
if (packetData[1] != (byte) 'W')
if (packetData[1] != (byte) 'W') {
return false; return false;
}
if (packetData[2] != (byte) 'd')
if (packetData[2] != (byte) 'd') {
return false; return false;
}
if (packetData[3] != (byte) ':')
if (packetData[3] != (byte) ':') {
return false; return false;
}
return true; return true;
} }
} }
@ -626,27 +667,33 @@ public class RadioLogger extends VisPlugin {
private Packet analyzePacket(byte[] data) { private Packet analyzePacket(byte[] data) {
if (PacketAODV_RREQ.dataFits(data)) if (PacketAODV_RREQ.dataFits(data)) {
return new PacketAODV_RREQ(data); return new PacketAODV_RREQ(data);
}
if (PacketAODV_RREP.dataFits(data)) if (PacketAODV_RREP.dataFits(data)) {
return new PacketAODV_RREP(data); return new PacketAODV_RREP(data);
}
if (PacketAODV_RERR.dataFits(data)) if (PacketAODV_RERR.dataFits(data)) {
return new PacketAODV_RERR(data); return new PacketAODV_RERR(data);
}
if (ForwardedPacketUnknown.dataFits(data)) if (ForwardedPacketUnknown.dataFits(data)) {
return new ForwardedPacketUnknown(data); return new ForwardedPacketUnknown(data);
}
if (AckPacket.dataFits(data)) if (AckPacket.dataFits(data)) {
return new AckPacket(data); return new AckPacket(data);
}
return new PacketUnknown(data); return new PacketUnknown(data);
} }
public void closePlugin() { public void closePlugin() {
if (radioMediumObserver != null) if (radioMediumObserver != null) {
radioMedium.deleteRadioMediumObserver(radioMediumObserver); radioMedium.deleteRadioMediumObserver(radioMediumObserver);
}
} }
public Collection<Element> getConfigXML() { public Collection<Element> getConfigXML() {

77
tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java
View file

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: UDGM.java,v 1.7 2007/08/21 09:17:18 fros4943 Exp $ * $Id: UDGM.java,v 1.8 2007/08/21 13:31:26 fros4943 Exp $
*/ */
package se.sics.cooja.radiomediums; package se.sics.cooja.radiomediums;
@ -46,26 +46,23 @@ import se.sics.cooja.plugins.Visualizer2D;
/** /**
* The Unit Disk Graph medium has two different range parameters; one for * The Unit Disk Graph medium has two different range parameters; one for
* transmitting and one for interfering other transmissions. * transmitting and one for interfering other transmissions.
* *
* The radio medium supports both byte and packet radios. * The radio medium supports both byte and packet radios.
* *
* TODO Any transmitted bytes are forwarded immediately with a timestamp
* (more fine-grained than ticks).
*
* The radio medium registers a visualizer plugin. Via this plugin the current * The radio medium registers a visualizer plugin. Via this plugin the current
* radio states and range parameters can be viewed and changed. * radio states and range parameters can be viewed and changed.
* *
* The registered radios' signal strengths are updated whenever the radio medium * The registered radios' signal strengths are updated whenever the radio medium
* changes. There are three fixed levels: no surrounding traffic heard, noise * changes. There are three fixed levels: no surrounding traffic heard, noise
* heard and data heard. * heard and data heard.
* *
* The radio output power indicator (0-100) is used in a very simple way; the * The radio output power indicator (0-100) is used in a very simple way; the
* total transmission (and interfering) range is multiplied with [power_ind]%. * total transmission (and interfering) range is multiplied with [power_ind]%.
* *
* @see #SS_OK * @see #SS_OK
* @see #SS_NOISE * @see #SS_NOISE
* @see #SS_NOTHING * @see #SS_NOTHING
* *
* @see VisUDGM * @see VisUDGM
* @author Fredrik Osterlind * @author Fredrik Osterlind
*/ */
@ -91,20 +88,20 @@ public class UDGM extends AbstractRadioMedium {
private static double INTERFERENCE_RANGE = 100; private static double INTERFERENCE_RANGE = 100;
private Simulation mySimulation; private Simulation mySimulation;
private boolean usingRandom = false; private boolean usingRandom = false;
private Random random = new Random(); private Random random = new Random();
/** /**
* Visualizes radio traffic in the UDGM. Allows a user to * Visualizes radio traffic in the UDGM. Allows a user to
* change transmission ranges. * change transmission ranges.
* *
* Sending motes are blue, receiving motes are green and motes that hear noise * Sending motes are blue, receiving motes are green and motes that hear noise
* are painted red. Motes without radios are painted gray, and the rest are * are painted red. Motes without radios are painted gray, and the rest are
* white. * white.
* *
* @author Fredrik Osterlind * @author Fredrik Osterlind
*/ */
@ClassDescription("UDGM Visualizer") @ClassDescription("UDGM Visualizer")
@ -182,8 +179,8 @@ public class UDGM extends AbstractRadioMedium {
successRatioSpinner = new JSpinner(successRatioModel); successRatioSpinner = new JSpinner(successRatioModel);
editor = new JSpinner.NumberEditor(successRatioSpinner, "0%"); editor = new JSpinner.NumberEditor(successRatioSpinner, "0%");
successRatioSpinner.setEditor(editor); successRatioSpinner.setEditor(editor);
((JSpinner.DefaultEditor) transmissionSpinner.getEditor()).getTextField() ((JSpinner.DefaultEditor) transmissionSpinner.getEditor()).getTextField()
.setColumns(5); .setColumns(5);
((JSpinner.DefaultEditor) interferenceSpinner.getEditor()).getTextField() ((JSpinner.DefaultEditor) interferenceSpinner.getEditor()).getTextField()
@ -253,10 +250,11 @@ public class UDGM extends AbstractRadioMedium {
// Select one of the clicked motes // Select one of the clicked motes
if (clickedMotes.contains(selectedMote)) { if (clickedMotes.contains(selectedMote)) {
int pos = clickedMotes.indexOf(selectedMote); int pos = clickedMotes.indexOf(selectedMote);
if (pos < clickedMotes.size() - 1) if (pos < clickedMotes.size() - 1) {
selectedMote = clickedMotes.get(pos + 1); selectedMote = clickedMotes.get(pos + 1);
else } else {
selectedMote = clickedMotes.firstElement(); selectedMote = clickedMotes.firstElement();
}
} else { } else {
selectedMote = clickedMotes.firstElement(); selectedMote = clickedMotes.firstElement();
} }
@ -270,7 +268,7 @@ public class UDGM extends AbstractRadioMedium {
// Register change ranges and change success ratio action // Register change ranges and change success ratio action
addMoteMenuAction(new ChangeRangesMenuAction()); addMoteMenuAction(new ChangeRangesMenuAction());
addMoteMenuAction(new ChangeSuccessRadioMenuAction()); addMoteMenuAction(new ChangeSuccessRadioMenuAction());
// Observe our own radio medium // Observe our own radio medium
myRadioMedium myRadioMedium
.addRadioMediumObserver(radioMediumObserver = new Observer() { .addRadioMediumObserver(radioMediumObserver = new Observer() {
@ -289,23 +287,29 @@ public class UDGM extends AbstractRadioMedium {
public Color[] getColorOf(Mote mote) { public Color[] getColorOf(Mote mote) {
Radio moteRadio = mote.getInterfaces().getRadio(); Radio moteRadio = mote.getInterfaces().getRadio();
if (moteRadio == null) if (moteRadio == null) {
return new Color[] { Color.GRAY }; return new Color[] { Color.GRAY };
}
if (mote.getState() == Mote.State.DEAD) if (mote.getState() == Mote.State.DEAD) {
return new Color[] { Color.GRAY }; return new Color[] { Color.GRAY };
}
if (selectedMote != null && mote == selectedMote) if (selectedMote != null && mote == selectedMote) {
return new Color[] { Color.CYAN }; return new Color[] { Color.CYAN };
}
if (moteRadio.isTransmitting()) if (moteRadio.isTransmitting()) {
return new Color[] { Color.BLUE }; return new Color[] { Color.BLUE };
}
if (moteRadio.isInterfered()) if (moteRadio.isInterfered()) {
return new Color[] { Color.RED }; return new Color[] { Color.RED };
}
if (moteRadio.isReceiving()) if (moteRadio.isReceiving()) {
return new Color[] { Color.GREEN }; return new Color[] { Color.GREEN };
}
return new Color[] { Color.WHITE }; return new Color[] { Color.WHITE };
} }
@ -323,10 +327,10 @@ public class UDGM extends AbstractRadioMedium {
// Fetch current output power indicator (scale with as percent) // Fetch current output power indicator (scale with as percent)
if (selectedMote.getInterfaces().getRadio() != null) { if (selectedMote.getInterfaces().getRadio() != null) {
double moteInterferenceRange = INTERFERENCE_RANGE double moteInterferenceRange = INTERFERENCE_RANGE
* (0.01 * (double) selectedMote.getInterfaces().getRadio() * (0.01 * selectedMote.getInterfaces().getRadio()
.getCurrentOutputPowerIndicator()); .getCurrentOutputPowerIndicator());
double moteTransmissionRange = TRANSMITTING_RANGE double moteTransmissionRange = TRANSMITTING_RANGE
* (0.01 * (double) selectedMote.getInterfaces().getRadio() * (0.01 * selectedMote.getInterfaces().getRadio()
.getCurrentOutputPowerIndicator()); .getCurrentOutputPowerIndicator());
Point translatedZero = transformPositionToPixel(0.0, 0.0, 0.0); Point translatedZero = transformPositionToPixel(0.0, 0.0, 0.0);
@ -362,9 +366,10 @@ public class UDGM extends AbstractRadioMedium {
super.visualizeSimulation(g); super.visualizeSimulation(g);
// Paint just finished connections // Paint just finished connections
RadioConnection[] conns;
if (myRadioMedium != null if (myRadioMedium != null
&& myRadioMedium.getLastTickConnections() != null) { && (conns = myRadioMedium.getLastTickConnections()) != null) {
for (RadioConnection conn : myRadioMedium.getLastTickConnections()) { for (RadioConnection conn : conns) {
if (conn != null) { if (conn != null) {
Point sourcePoint = transformPositionToPixel(conn.getSource() Point sourcePoint = transformPositionToPixel(conn.getSource()
.getPosition()); .getPosition());
@ -388,7 +393,7 @@ public class UDGM extends AbstractRadioMedium {
public UDGM(Simulation simulation) { public UDGM(Simulation simulation) {
super(simulation); super(simulation);
// Register this radio medium's plugins // Register this radio medium's plugins
simulation.getGUI().registerTemporaryPlugin(VisUDGM.class); simulation.getGUI().registerTemporaryPlugin(VisUDGM.class);
@ -405,25 +410,27 @@ public class UDGM extends AbstractRadioMedium {
// Fetch current output power indicator (scale with as percent) // Fetch current output power indicator (scale with as percent)
double moteTransmissionRange = TRANSMITTING_RANGE double moteTransmissionRange = TRANSMITTING_RANGE
* (0.01 * (double) sendingRadio.getCurrentOutputPowerIndicator()); * (0.01 * sendingRadio.getCurrentOutputPowerIndicator());
double moteInterferenceRange = INTERFERENCE_RANGE double moteInterferenceRange = INTERFERENCE_RANGE
* (0.01 * (double) sendingRadio.getCurrentOutputPowerIndicator()); * (0.01 * sendingRadio.getCurrentOutputPowerIndicator());
// If in random state, check if transmission fails // If in random state, check if transmission fails
if (usingRandom && random.nextDouble() > PACKET_SUCCESS_RATIO) { if (usingRandom && random.nextDouble() > PACKET_SUCCESS_RATIO) {
return newConnection; return newConnection;
} }
// Loop through all radios // Loop through all radios
for (int listenNr = 0; listenNr < getRegisteredRadios().size(); listenNr++) { for (int listenNr = 0; listenNr < getRegisteredRadios().size(); listenNr++) {
Radio listeningRadio = getRegisteredRadios().get(listenNr); Radio listeningRadio = getRegisteredRadios().get(listenNr);
Position listeningRadioPosition = listeningRadio.getPosition(); Position listeningRadioPosition = listeningRadio.getPosition();
// Ignore sending radio and radios on different channels // Ignore sending radio and radios on different channels
if (sendingRadio == listeningRadio) if (sendingRadio == listeningRadio) {
continue; continue;
if (sendingRadio.getChannel() != listeningRadio.getChannel()) }
if (sendingRadio.getChannel() != listeningRadio.getChannel()) {
continue; continue;
}
double distance = sendingPosition.getDistanceTo(listeningRadioPosition); double distance = sendingPosition.getDistanceTo(listeningRadioPosition);