macros.h

WSN仿真一例假定节点0（node[0]）周期性广播消息其它节点接收到消息并转发出去

//-------------------------------------------------------------------
//  file name: macros.h
// 
//    - macros available within a sensor node are defined here
//
//-------------------------------------------------------------------



/**
 * @name Node ID
 * @ingroup group_macros
 */
//@{

/**- macro that returns a node's ID (value ranges from 0 to NNODES-1)
 *
 * @hideinitializer
 */
#define ID (int)parentModule()->index()

//@}



/**
 * @name Graphics Related Macros
 * @ingroup group_macros
 */
//@{

// 
/**- macro that returns the color of a node (int value)
 *- the value actually used is COLOR%MAXCOLOR  
 *
 * @hideinitializer
 */
#define COLOR (int)(parentModule()->par("COLOR"))
/**- macro that returns the number of the graphical symbol used to display a node (int value)
 *- the value actually used is KIND%MAXKIND 
 *
 * @hideinitializer
 */
#define KIND  (int)(parentModule()->par("KIND"))

// problems with using blackboard for the general parameters: 
//#define COLOR *(int*)((blackboard*)this->parentModule()->submodule("sm_blackboard"))->lookupParam("gv_color")
//#define KIND  *(int*)((blackboard*)this->parentModule()->submodule("sm_blackboard"))->lookupParam("gv_kind")

/**- macro that updates the color of a node
 *- the value actually used is COLOR%MAXCOLOR 
 *
 * @hideinitializer
 */
#define UPDATECOLOR(color) {\
	parentModule()->par("COLOR") = color;													\
	char tempstring[30];																			\
	sprintf(tempstring,"p=%d,%d,exact;i=snode_%d_%d",PX+MX,PY+MY,COLOR % MAXCOLOR,KIND % MAXKIND);	\
	parentModule()->setDisplayString(tempstring);											}

/**- macro that updates the kind of a node
 *- the value actually used is KIND%MAXKIND 
 *
 * @hideinitializer
 */
#define UPDATEKIND(kind) {\
	parentModule()->par("KIND") = kind;														\
	char tempstring[30];																			\
	sprintf(tempstring,"p=%d,%d,exact;i=snode_%d_%d",PX+MX,PY+MY,COLOR % MAXCOLOR,kind % MAXKIND);	\
	parentModule()->setDisplayString(tempstring);											}

/**- macro that updates both the color and the kind of a node
 *- values actually used are: COLOR%MAXCOLOR, KIND%MAXKIND 
 *
 * @hideinitializer
 */
#define UPDATEGRAPHICS(color,kind) {\
	parentModule()->par("COLOR") = color;													\
	parentModule()->par("KIND") = kind;														\
	char tempstring[30];																			\
	sprintf(tempstring,"p=%d,%d,exact;i=snode_%d_%d",PX+MX,PY+MY,COLOR % MAXCOLOR,KIND % MAXKIND);	\
	parentModule()->setDisplayString(tempstring);											}

/**- macro that refreshes the image and position of a node
 *- slow execution speed 
 *
 * @hideinitializer
 */
#define REFRESHIMAGE {\
	char tempstring[30];																			\
	sprintf(tempstring,"p=%d,%d,exact;i=snode_%d_%d",PX+MX,PY+MY,COLOR % MAXCOLOR,KIND % MAXKIND);	\
	parentModule()->setDisplayString(tempstring);											}

//@}


/**
 * @name Current Node Position
 * @ingroup group_macros
 */
//@{

/**- current X position 
 *
 * @hideinitializer
 */
#define PX (int)parentModule()->par("PX")
/**- current Y position 
 *
 * @hideinitializer
 */
#define PY (int)parentModule()->par("PY")

//@}

/**
 * @name Signal Strength
 * @ingroup group_macros
 */
//@{

/**- macro that returns the current signal strength of a node 
 *
 * @hideinitializer
 */
#define SSTRENGTH (int)(parentModule()->par("sstrength"))

/**- macro that updates the signal strength of a node
 *- it produces re-computations of the current node's neighbors
 *- expect slow execution when using it often 
 *
 * @hideinitializer
 */
#define UPDATESSTRENGTH(sstrength) {\
 };

//@}




/**
 * @name Energy Related Macros
 * @ingroup group_macros
 */
//@{

/**- macro that returns the current energy of a node
 *- it uses the blackboard, so do not use it in the initialize() function! 
 *
 * @hideinitializer
 */
#define NRJ *(double *)lookup("gv_energy")

/**- macro that returns the consumed energy of a node until the present time
 *- it uses the blackboard, so do not use it in the initialize() function! 
 *
 * @hideinitializer
 */
#define NRJ_CONSUMED *(double *)lookup("gv_energyconsumed")

/**- macro that substracts an amount of consumed energy
 *- it uses the blackboard, so do not use it in the initialize() function! 
 *
 * @hideinitializer
 */
#define NRJ_CONSUME(nrj) {\
  double energy = 0.0,energyconsumed = 0.0;			\
  if (lookup("gv_energy")!=NULL)					\
	  energy = NRJ;									\
  if (lookup("gv_energyconsumed")!=NULL)			\
	  energyconsumed = NRJ_CONSUMED;				\
  publish("gv_energy",energy-nrj);					\
  publish("gv_energyconsumed",energyconsumed+nrj);	}

/**- macro that adds an amount of consumed energy
 *- it uses the blackboard, so do not use it in the initialize() function! 
 *
 * @hideinitializer
 */
#define NRJ_ADD(nrj) {publish("gv_energy",NRJ+nrj);}

/**- macro that gives a simple estimation of the remaining life time
 *- feel free to implement it as a more complex function inside the energy module
 *- it uses the blackboard, so do not use it in the initialize() function! 
 *
 * @hideinitializer
 */
#define NRJ_LIFETIME (simtime_t)(simTime() * NRJ / NRJ_CONSUMED) 

//@}