2006-08-21 14:11:16 +02:00
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/*
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2007-01-10 15:57:42 +01:00
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* Copyright (c) 2006, Swedish Institute of Computer Science. All rights
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* reserved.
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*
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2006-08-21 14:11:16 +02:00
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* Redistribution and use in source and binary forms, with or without
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2007-01-10 15:57:42 +01:00
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer. 2. Redistributions in
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* binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution. 3. Neither the name of the
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* Institute nor the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: MoteInterface.java,v 1.3 2007/01/10 14:57:42 fros4943 Exp $
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2006-08-21 14:11:16 +02:00
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*/
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package se.sics.cooja;
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import java.util.Collection;
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import java.util.Observable;
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import javax.swing.JPanel;
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import org.apache.log4j.Logger;
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import org.jdom.Element;
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/**
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* A mote interface represents a mote property. Often this is a simulated
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* hardware peripheral such as a button or a led. This can also be a property
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* the mote software itself is unaware of, for example the current position of
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* the mote.
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*
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* Interfaces are the main way for the simulator to interact with a simulated
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* mote.
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*
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* Interfaces are divided into active and passive interfaces, which are handled
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* differently. In order to create a passive interface, the class should also
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* implement the dummy Java interface PassiveMoteInterface. For an explanation
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* of the differences of active and passive interfaces see class
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* PassiveMoteInterface.
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*
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* @see PassiveMoteInterface
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* @author Fredrik Osterlind
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*/
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public abstract class MoteInterface extends Observable {
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private static Logger logger = Logger.getLogger(MoteInterface.class);
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/**
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* This method creates an instance of the given class with the given mote as
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* constructor argument. Instead of calling the interface constructors
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* directly this method may be used.
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*
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* @param interfaceClass
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* Mote interface class
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* @param mote
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* Mote that will hold the interface
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* @return Mote interface instance
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*/
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public static final MoteInterface generateInterface(
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Class<? extends MoteInterface> interfaceClass, Mote mote) {
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try {
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// Generating interface
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MoteInterface instance = (MoteInterface) interfaceClass.getConstructor(
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new Class[] { Mote.class }).newInstance(new Object[] { mote });
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return instance;
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} catch (Exception e) {
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logger.fatal("Exception when creating " + interfaceClass + ": " + e);
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return null;
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}
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}
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/**
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* Actions to be performed just before the holding mote is ticked
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*/
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public abstract void doActionsBeforeTick();
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/**
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* Actions to be performed just after the holding mote has been ticked
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*/
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public abstract void doActionsAfterTick();
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/**
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* Returns a panel with interesting data for this interface. This could for
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* example show last messages sent/received for a radio interface, or logged
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* message for a log interface.
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*
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* All panels returned from this method must later be released for memory
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* reasons.
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*
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* If returned panel is null, this interface will not be visualized.
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*
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* @see #releaseInterfaceVisualizer(JPanel)
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* @return Interface visualizer or null
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*/
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public abstract JPanel getInterfaceVisualizer();
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/**
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* This method should be called when a visualizer panel is no longer in use.
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* Any resources of that panel, for example registered observers, will be
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* released.
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*
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* @see #getInterfaceVisualizer()
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* @param panel
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* A interface visualizer panel fetched earlier for this mote
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* interface.
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*/
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public abstract void releaseInterfaceVisualizer(JPanel panel);
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/**
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* Returns approximated energy consumed (mQ) during the current tick. If the
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* interface is active, this information must be available after the
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* doActionsAfterTick method. If the interface is passive, this information
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* must be available after the doActionsBeforeTick method.
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*
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* The interface is responsible to gather information about the current
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* internal state, and calculate whatever energy it needs in that state and
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* during one tick.
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*
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* If the holding mote is dead, this method will not be called. If the holding
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* mote is sleeping and this interface is active, this method will not be
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* called.
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*
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* For example, a radio transmitter or a PIR sensor often has a much higher
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* energy usage than a button sensor which virtually needs no energy at all.
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* If the radio is turned off in hardware, it should return a zero energy
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* consumption. If the radio is sending something which would take longer than
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* one tick, it may either return the total energy used directly, or a smaller
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* amount during several ticks.
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*
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* This method may typically be used by the passive interface battery, which
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* sums up all energy used during one tick and decreases the battery energy
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* left.
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*
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* @see se.sics.cooja.interfaces.Battery
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* @return Energy consumption of this device during the current tick
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*/
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public abstract double energyConsumptionPerTick();
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/**
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* Returns XML elements representing the current config of this mote
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* interface. This is fetched by the simulator for example when saving a
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* simulation configuration file. For example an IP interface may return one
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* element with the mote IP address. This method should however not return
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* state specific information such as a log history. (All nodes are restarted
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* when loading a simulation.)
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*
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* @see #setConfigXML(Collection, boolean)
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* @return XML elements representing the current interface config
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*/
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public abstract Collection<Element> getConfigXML();
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/**
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* Sets the current mote interface config depending on the given XML elements.
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*
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* @see #getConfigXML()
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* @param configXML
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* Config XML elements
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* @param visAvailable
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* Is this object allowed to show a visualizer?
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*/
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public abstract void setConfigXML(Collection<Element> configXML,
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boolean visAvailable);
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}
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