new cooja plugin for monitoring memory areas, similar to the log listener.

tools/cooja/apps/avrora/src/se/sics/cooja/avrmote/MicaZMote.java

@@ -271,4 +271,8 @@ public class MicaZMote extends AbstractEmulatedMote implements Mote {
     return "MicaZ " + getID();
   }
 
+  public MemoryMonitor createMemoryMonitor(MemoryEventHandler meh) {
+    logger.fatal("Not implemented");
+    return null;
+  }
 }

tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/MspMote.java

@@ -57,16 +57,21 @@ import se.sics.cooja.motes.AbstractEmulatedMote;
 import se.sics.cooja.mspmote.interfaces.MspSerial;
 import se.sics.cooja.mspmote.plugins.CodeVisualizerSkin;
 import se.sics.cooja.mspmote.plugins.MspBreakpointContainer;
+import se.sics.cooja.plugins.BufferListener.BufferAccess;
 import se.sics.cooja.plugins.Visualizer;
 import se.sics.mspsim.cli.CommandHandler;
 import se.sics.mspsim.cli.LineListener;
 import se.sics.mspsim.cli.LineOutputStream;
+import se.sics.mspsim.core.CPUMonitor;
 import se.sics.mspsim.core.EmulationException;
 import se.sics.mspsim.core.MSP430;
+import se.sics.mspsim.core.MSP430Constants;
 import se.sics.mspsim.platform.GenericNode;
 import se.sics.mspsim.ui.JFrameWindowManager;
 import se.sics.mspsim.util.ComponentRegistry;
 import se.sics.mspsim.util.ConfigManager;
+import se.sics.mspsim.util.DebugInfo;
+import se.sics.mspsim.util.ELF;
 import se.sics.mspsim.util.MapEntry;
 import se.sics.mspsim.util.MapTable;
 
@@ -487,4 +492,160 @@ public abstract class MspMote extends AbstractEmulatedMote implements Mote, Watc
     return executeCLICommand("stacktrace");
   }
 
+  public String getPCString() {
+    int pc = myCpu.reg[MSP430Constants.PC];
+    ELF elf = (ELF)myCpu.getRegistry().getComponent(ELF.class); 
+    DebugInfo di = elf.getDebugInfo(pc);
+    
+    /* Following code examples from MSPsim, DebugCommands.java */
+    if (di == null) {
+      di = elf.getDebugInfo(pc + 1);
+    }
+    if (di == null) {
+      /* Return PC value */
+      return String.format("*%02x", myCpu.reg[MSP430Constants.PC]);
+    }
+
+    int lineNo = di.getLine();
+    String file = di.getFile();
+    file = file==null?"?":file;
+    if (file.contains("/")) {
+      /* strip path */
+      file = file.substring(file.lastIndexOf('/')+1, file.length());
+    }
+    String function = di.getFunction();
+    function = function==null?"?":function;
+    if (function.contains(":")) {
+      /* strip arguments */
+      function = function.substring(0, function.lastIndexOf(':'));
+    }
+    return file + ":" + function + ":" + lineNo;
+    
+    /*return executeCLICommand("line " + myCpu.reg[MSP430Constants.PC]);*/
+  }
+
+  private class MultiCPUMonitor implements CPUMonitor {
+    private ArrayList<CPUMonitor> ms = new ArrayList<CPUMonitor>();
+    public void add(CPUMonitor m) {
+      ms.add(m);
+    }
+    public void remove(CPUMonitor m) {
+      ms.remove(m);
+    }
+    public void cpuAction(int type, int adr, int data) {
+      for (CPUMonitor m: ms) {
+        m.cpuAction(type, adr, data);
+      }
+    }
+  }
+  public MemoryMonitor createMemoryMonitor(final MemoryEventHandler meh) {
+    return new MemoryMonitor() {
+      private boolean started = false;
+      private int address = -1;
+      private int size = -1;
+      private CPUMonitor myMonitor = null;
+      private boolean isPointer = false;
+      private MemoryMonitor pointedMemory = null;
+      public boolean start(int address, int size) {
+        if (started) {
+          return started;
+        }
+
+        final MemoryMonitor thisMonitor = this;
+        myMonitor = new CPUMonitor() {
+          public void cpuAction(int type, int adr, int data) {
+            MemoryEventType t;
+            if (type == CPUMonitor.MEMORY_WRITE) {
+              t = MemoryEventType.WRITE;
+            } else if (type == CPUMonitor.MEMORY_READ) {
+              t = MemoryEventType.READ;
+            } else {
+              t = MemoryEventType.UNKNOWN;
+            }
+
+            meh.event(thisMonitor, t, adr, data);
+          }
+        };
+
+        /* TODO Make sure no other part of Cooja overrides this! */
+        
+        for (int a = address; a < address+size; a++) {
+          if (myCpu.hasBreakPoint(a)) {
+            if (myCpu.breakPoints[a] instanceof MultiCPUMonitor) {
+              /* Extend */
+              ((MultiCPUMonitor)myCpu.breakPoints[a]).add(myMonitor);
+            } else {
+              /* Create multi and replace */
+              CPUMonitor existingMonitor = myCpu.breakPoints[a];
+              MultiCPUMonitor multiMonitor = new MultiCPUMonitor();
+              multiMonitor.add(existingMonitor);
+              multiMonitor.add(myMonitor);
+              myCpu.clearBreakPoint(a);
+              myCpu.setBreakPoint(a, multiMonitor);
+            }
+          } else {
+            myCpu.setBreakPoint(a, myMonitor);
+          }
+        }
+
+        this.address = address;
+        this.size = size;
+        started = true;
+        return started;
+      }
+      public void stop() {
+        if (!started) {
+          return;
+        }
+        started = false;
+        
+        for (int a = address; a < address+size; a++) {
+          if (!myCpu.hasBreakPoint(a)) {
+            logger.fatal("Memory breakpoint was previously removed");
+            return;
+          }
+
+          if (myCpu.breakPoints[a] instanceof MultiCPUMonitor) {
+            /* Remove */
+            ((MultiCPUMonitor)myCpu.breakPoints[a]).remove(myMonitor);
+          } else {
+            /* Clear */
+            if (myCpu.breakPoints[a] != myMonitor) {
+              logger.fatal("Memory breakpoint is not mine");
+              return;
+            }
+            myCpu.clearBreakPoint(a);
+          }
+        }
+      }
+      public Mote getMote() {
+        return MspMote.this;
+      }
+      public int getAddress() {
+        return address;
+      }
+      public int getSize() {
+        return size;
+      }
+
+      public boolean isPointer() {
+        return isPointer;
+      }
+      public void setPointer(boolean isPointer, MemoryMonitor pointedMemory) {
+        this.isPointer = isPointer;
+        this.pointedMemory = pointedMemory;
+      }
+      public MemoryMonitor getPointedMemory() {
+        return pointedMemory;
+      }
+      
+      private BufferAccess lastBufferAccess = null;
+      public void setLastBufferAccess(BufferAccess ba) {
+        this.lastBufferAccess = ba;
+      }
+      public BufferAccess getLastBufferAccess() {
+        return lastBufferAccess;
+      }
+    };
+  }
 }

tools/cooja/config/cooja_default.config

@@ -3,7 +3,7 @@ se.sics.cooja.contikimote.interfaces.ContikiRadio.RADIO_TRANSMISSION_RATE_kbps =
 se.sics.cooja.contikimote.ContikiMoteType.MOTE_INTERFACES = se.sics.cooja.interfaces.Position se.sics.cooja.interfaces.Battery se.sics.cooja.contikimote.interfaces.ContikiVib se.sics.cooja.contikimote.interfaces.ContikiMoteID se.sics.cooja.contikimote.interfaces.ContikiRS232 se.sics.cooja.contikimote.interfaces.ContikiBeeper se.sics.cooja.interfaces.RimeAddress se.sics.cooja.contikimote.interfaces.ContikiIPAddress se.sics.cooja.contikimote.interfaces.ContikiRadio se.sics.cooja.contikimote.interfaces.ContikiButton se.sics.cooja.contikimote.interfaces.ContikiPIR se.sics.cooja.contikimote.interfaces.ContikiClock se.sics.cooja.contikimote.interfaces.ContikiLED se.sics.cooja.contikimote.interfaces.ContikiCFS se.sics.cooja.interfaces.Mote2MoteRelations se.sics.cooja.interfaces.MoteAttributes
 se.sics.cooja.contikimote.ContikiMoteType.C_SOURCES =
 se.sics.cooja.GUI.MOTETYPES = se.sics.cooja.motes.ImportAppMoteType se.sics.cooja.motes.DisturberMoteType se.sics.cooja.contikimote.ContikiMoteType
-se.sics.cooja.GUI.PLUGINS = se.sics.cooja.plugins.Visualizer se.sics.cooja.plugins.LogListener se.sics.cooja.plugins.TimeLine se.sics.cooja.plugins.MoteInformation se.sics.cooja.plugins.MoteInterfaceViewer se.sics.cooja.plugins.VariableWatcher se.sics.cooja.plugins.EventListener se.sics.cooja.plugins.RadioLogger se.sics.cooja.plugins.ScriptRunner se.sics.cooja.plugins.Notes
+se.sics.cooja.GUI.PLUGINS = se.sics.cooja.plugins.Visualizer se.sics.cooja.plugins.LogListener se.sics.cooja.plugins.TimeLine se.sics.cooja.plugins.MoteInformation se.sics.cooja.plugins.MoteInterfaceViewer se.sics.cooja.plugins.VariableWatcher se.sics.cooja.plugins.EventListener se.sics.cooja.plugins.RadioLogger se.sics.cooja.plugins.ScriptRunner se.sics.cooja.plugins.Notes se.sics.cooja.plugins.BufferListener
 se.sics.cooja.GUI.IP_DISTRIBUTORS = se.sics.cooja.ipdistributors.RandomIPDistributor se.sics.cooja.ipdistributors.SpatialIPDistributor se.sics.cooja.ipdistributors.IdIPDistributor
 se.sics.cooja.GUI.POSITIONERS = se.sics.cooja.positioners.RandomPositioner se.sics.cooja.positioners.LinearPositioner se.sics.cooja.positioners.EllipsePositioner se.sics.cooja.positioners.ManualPositioner
 se.sics.cooja.GUI.RADIOMEDIUMS = se.sics.cooja.radiomediums.UDGM se.sics.cooja.radiomediums.UDGMConstantLoss se.sics.cooja.radiomediums.DirectedGraphMedium se.sics.cooja.radiomediums.SilentRadioMedium

tools/cooja/java/se/sics/cooja/motes/AbstractEmulatedMote.java

@@ -30,6 +30,9 @@
 package se.sics.cooja.motes;
 
 import se.sics.cooja.Mote;
+import se.sics.cooja.plugins.BufferListener;
+import se.sics.cooja.plugins.BufferListener.BufferAccess;
+import se.sics.cooja.plugins.TimeLine;
 
 public abstract class AbstractEmulatedMote extends AbstractWakeupMote implements Mote {
 
@@ -42,8 +45,42 @@ public abstract class AbstractEmulatedMote extends AbstractWakeupMote implements
   
   /**
    * @return Execution details, for instance a stack trace
+   * @see TimeLine
    */
   public String getExecutionDetails() {
     return null;
   }
+
+  /**
+   * @return One-liner describing current PC, for instance source file and line.
+   * May return null.
+   * 
+   * @see BufferListener
+   */
+  public String getPCString() {
+    return null;
+  }
+  
+  public interface MemoryMonitor {
+    public boolean start(int address, int size);
+    public void stop();
+    public Mote getMote();
+    public int getAddress();
+    public int getSize();
+
+    public void setLastBufferAccess(BufferAccess ba);
+    public BufferAccess getLastBufferAccess();
+
+    public boolean isPointer();
+    public void setPointer(boolean isPointer, MemoryMonitor pointedMemory);
+    public MemoryMonitor getPointedMemory();
+  }
+
+  public enum MemoryEventType { READ, WRITE, UNKNOWN };
+  public interface MemoryEventHandler {
+    public void event(MemoryMonitor mm, MemoryEventType type, int adr, int data);
+  }
+
+  public abstract MemoryMonitor createMemoryMonitor(MemoryEventHandler meh);
+
 }