#include "h/physic.h"#include <string.h>//define the sting that define the host displayDefine_Module(Physic);cNeighbour::cNeighbour(){};cNeighbour::~cNeighbour(){};void Physic::initialize(){	hosts.setName("hosts");	nbList.setName("nblist");	hosts.takeOwnership(false); // FIXME this is a terrible hack to prevent crash on exit because of double deletion --Andras	nbList.takeOwnership(false);	cModule *parent = parentModule();	cModule *mod;	char str[90];	//posX = (int)parent->par("x");	//posY = (int)parent->par("y");
	
	GetPos(parentModule()->id(), posX, posY);	numHost = (int)parent->par("numHost");	power = (double) par("txPower");	rxThreshold =  (double) par("rxThreshold");

	range = sqrt(power/rxThreshold); 	delay = &par("channelDelay");	error = &par("channelError");	dataRate = &par("channelDatarate");	gatesNum = 0;	nbCount = 0;	msgWithErr =0;	//show the node on the map	//sprintf(str,displayS,posX,posY,"red");
	sprintf(str, displayS, posX, posY, IDLE_COLOR);	parentModule()->setDisplayString(0,str,true);	//fullfill the hosts vector	detectNeighbours();}void Physic::handleMessage(cMessage* msg){	d("\t--- physic ---");	char tmpstr[128];	int i, msgkind , destid;
	bool blDraw;

	msgkind = msg->kind();
	if(msg->hasPar("dest"))
		destid = (int)msg->par("dest");
	else
		destid = -1;

	//send the messages to the neighbours
		
	//range = sqrt(power/rxThreshold);
	//updateConnections();
	if(msg->arrivedOn("fromMac"))	{	
		d("msg from Mac");
		if(msgkind == MSG_JOIN)
			blDraw = true;		
		else
			blDraw = false;

		updateConnections(blDraw,destid);		
		//sprintf(tmpstr, "physic: message from Mac range [%f]\n", range);		//send the message to all the neighbouts		broadcast(msg);		if( msg!= NULL )			delete msg;	}	else	{		//arrived from outside the module		d("msg from outside");		if(msg->hasBitError())		{			d("received message with errors...discarding!");			msgWithErr++;			delete msg;		}		else		{			d("got message from "<<msg->par("source"));			send(msg,"toMac"); // FIXME it is illegal to send a msg object and keep referencing it!!! -Andras		}	}}void Physic::broadcast(cMessage*msg){	cNeighbour* n = NULL;
	char tmpstr[128];
	d("broadcast Out");
	if(msg->hasPar("physic"))
		msg->par("physic") = id();
	else
		msg->addPar("physic") = id();

	
	sprintf(tmpstr, "[%d] Physic->bcast:: 消息類型 [%d]\n", parentModule()->id(), msg->kind );
	Log(tmpstr);

	for(int i =0; i < nbList.items() ;i++)	{		if(nbList[i])		{			//a new copy of message has to be made					cMessage* m = new cMessage(*msg);			n = (cNeighbour*) nbList[i];
			send(m,n->gateIndex);
			
			sprintf(tmpstr, "physic:bcast[%d]->[%d]\n", parentModule()->id(), n->mobHost);
			Log(tmpstr);
		}	}}void Physic::detectNeighbours(){	//pointer to the modules that are to be scanned	cModule* mod;	//stores the index returned by cArray.add()	int pos = 0;
	char tmpstr[128];
	memset(tmpstr, 0x00, sizeof(tmpstr));
	d("detectNeigh");
	for(int i=1; i<= simulation.lastModuleId(); i++)  	{		//scan the simulation module vector		mod = (cModule*)simulation.module(i);	   	if( strcmp(mod->name(), "physic")  == 0)	   	{		   cNeighbour *n = new cNeighbour;
					   
		   n->ph = mod->id();
		   //remember its parent module too		   n->mobHost = mod->parentModule()->id();		   n->gateIndex = -1;//not connected
		   n->degree = 0; //連通度為0		   pos =  hosts.add(n);		   if(i == id())			   myI = pos;	   	}	}

	//sprintf(tmpstr, "physic->查詢節點myi[%d] and id(%d)\n", myI, parentModule()->id()); }
void Physic::detectNB()
{
	cNeighbour* n;
	cNeighbour* nl;
	int i, j, count, band;
	bool bl=false;
	char tmpstr[128];

	for(i=0;i<hosts.items();i++)
	{
		n = (cNeighbour*)hosts[i];
		bl = false;
		if( (n->ph != id()) && (isReachable(id(),n->ph, band)))
		{
			//查找是否已經插入nbList了
			count = nbList.items();
			
			sprintf(tmpstr, "[%d] detectNB 發現范圍之內節點[%d] 現在度 [%d]\n", parentModule()->id(), n->mobHost, nbList.items(), count);
			Log(tmpstr);
			//for(i=0;i<nbList.items();i++)
			for(j=0;j<count;j++)
			{				
				nl = (cNeighbour*)nbList[j];
				sprintf(tmpstr,"[%d]是否已經加入列表了::已經加入的節點[%d]\n", n->mobHost, nl->mobHost);
				Log(tmpstr);

				if(n->mobHost == nl->mobHost)
				{
					bl=true;
					break;
				} //如果發現了， 直接跳出來就可以了
			}
			
			if(!bl) //如果沒有發現則加入
			//if(nbList.find(n)==-1) //如果沒有發現則加入
			{			
				n->status = UNCLUSTERED;
				n->degree = -1;
				n->gateIndex = -1;
				nbList.add(n);	
				
				sprintf(tmpstr,"&&&&&[%d]detectNB [%d]新加入現在鄰接點個數[%d]\n", parentModule()->id(), n->mobHost, nbList.items());
				Log(tmpstr);
			}
		}		
	}//end of for 

	//sprintf(tmpstr,"[%d]鄰節點個數 [%d]\n", parentModule()->id(), nbCount);
	//Log(tmpstr);
}void Physic::updateConnections(bool blDraw, int destid){	d("updateConnections");	cNeighbour* n;	for(int i=0; i< numHost ; i++)	{		//check the link avoiding to analyze itself		if ( ( i != myI) && checkConnection(i, blDraw, destid)){			n = (cNeighbour*)hosts[i];			d("link changed between this host and:"<<n->mobHost);			//make the other node do the check			if (n->mobHost < parentModule()->id())			{				d("notify the disconnection to the remote node-");				Physic* remote = (Physic*)simulation.module(n->ph);				// the index of this host on the remote hosts vector				remote->checkConnection( myI, blDraw, destid);			}		}	}}//returns true if the connection has changed statebool Physic::checkConnection(int i, bool blDraw, int destid){	d("checkConnection");	cNeighbour* n = (cNeighbour*)hosts[i];
	int band;
	char tmpstr[128];	//avoid the parent to this module parent
	if( (n->ph != id()) &&  isReachable(id(),n->ph, band))
	{
		//if it is not known
		if (nbList.find(n) == -1 )
		{
			nbList.add(n);
			nbCount++;
			d("connecting to"<<n->mobHost);
			if((n->mobHost == destid)&&blDraw)
			{
				sprintf(tmpstr,"%%%%nbList中[%d]--Join-->[%d],draw black line\n", parentModule()->id(), n->mobHost);
				Log(tmpstr);
				n->gateIndex= connectModules(n->ph,n->mobHost, true);
			}
			else
			{
				sprintf(tmpstr,"%%%%[%d]--not dest or join msg-->[%d],draw gray line\n", parentModule()->id(), n->mobHost);
				Log(tmpstr);
				n->gateIndex= connectModules(n->ph,n->mobHost, false);
			}
		}
		else //因為我在系統初始化時就取的鄰接點信息，但是沒有建立連接，所以現在建立
		{
			//if(n->gateIndex == -1)
		//	{
				if((n->mobHost == destid)&&blDraw)
				{
					sprintf(tmpstr,"&&&&[%d]-join ->[%d],draw black line\n", parentModule()->id(), n->mobHost);
					Log(tmpstr);
					n->gateIndex= connectModules(n->ph,n->mobHost, true);
				}
				else
				{
					sprintf(tmpstr,"&&&&[%d]--not dest or join msg-->[%d],draw gray line\n", parentModule()->id(), n->mobHost);
					Log(tmpstr);
					n->gateIndex= connectModules(n->ph,n->mobHost, false);
				}
		//	}
			
		} // end of if ...else..
	
		return true;
	}
	else
	{
		//check if it was connected
	 	int a = nbList.find(n);		d("host not reachable "<<n->mobHost);		if(a!= -1)		{			d("diconnect from neighbour:"<<n->mobHost);			cNeighbour* tmp;			//remove do not delete the object from the			//memory! the list stores only a pointer to the			//original host object.			nbList.remove(a);			//avoid holes in the array			if( (nbCount>1) && (a!=nbCount-1))			{				tmp = (cNeighbour*)nbList.remove(nbCount-1);				nbList.addAt(a,tmp);			}			nbCount--;			n->gateIndex = -1;				//disconnect			disconnectFrom(n->ph,n->mobHost);			return true;		}		else		{			d("but "<<n->ph<<" was not connected");			return false;		}	}}int Physic::connectModules(int rPhysic,int rMod, bool blDraw){	d("connectModules");	//a->b->c->d	int a,b,c,d;
	char tmpstr[128];	//pointer to the remote physical layer	Physic *ph = (Physic*)simulation.module(rPhysic);	//pointer to the remote host object	cModule* mod = (cModule*) simulation.module(rMod);	//create the gates and the connection whithin these modules	setUpConn('O',a,b);	//do the same for the remote node. Note that 'c' will be used later for the conn	//between the two mobile hosts.	ph->setUpConn('I',d,c);