//brief: Intializes all globals if they have not already been initialized
static void Initialize(){
if(!initialized){
initialized=true;
updateDV();
L1P=L1D=L1Cache();
L2U =L2Cache();
}
}
void router::run()
{
printf("From %s: router::run called.\n",_name);
pa3Map::iterator nt_it;
unsigned long nbrIPprf;
_dv_table.insert(pa3Map::value_type(toPrefix(_myIP), 0));
for (nt_it = _nbr_table.begin(); nt_it != _nbr_table.end(); nt_it++)
{
nbrIPprf = toPrefix((*nt_it).first);
/* if ((nbrIP.S_un.S_addr>>8) != (_myIP.S_un.S_addr>>8))// from other AS?
{
// nbrIP.S_un.S_addr != 0x80000000; this may not work
} */
_dv_table.insert(pa3Map::value_type(nbrIPprf, (*nt_it).second));
_fwd_table.insert(IFWMap::value_type(nbrIPprf, (*nt_it).first));
}
printf("initial DV..");
printDV();
printFT("run");
propaganda_DV();
bool bRun = true;
while (bRun)
{
size_t sz = _pcomm->readMsg(_inbuf, BUFF_SIZE);
if (sz == 0)
propaganda_DV();
else
{
switch (_inbuf[0])
{
case MSGTYPE_HMSG:
forwrdMsg(&_inbuf[1], sz);
break;
case MSGTYPE_RDV:
updateDV(&_inbuf[1], (sz-1));
break;
case MSGTYPE_CCHNG:
changeCost(&_inbuf[1], (sz-1));
break;
case MSGTYPE_CDN:
downLink(&_inbuf[1], (sz-1));
break;
case MSGTYPE_CASDN:
ASdownLink(&_inbuf[1], (sz-1));
break;
case MSGTYPE_CASUP:
ASupink(&_inbuf[1], (sz-1));
break;
case MSGTYPE_CPRNT:
printFT("MSGTYPE_CPRNT");
break;
case MSGTYPE_CQUIT:
bRun = false;
break;
case MSGTYPE_CPRNT_DV:
printDV();
break;
case MSGTYPE_CPRNT_NT:
printNT();
break;
default:
printf("From %s: unknown message type %d. The message is dropped.\n",_name,_inbuf[0]);
}
}
}
}
