/*
* enable() method
*
* enable <node>
*
*/
int baselineEnable(nbCELL context,void *skillHandle,BTree *tree){
int remaining;
time_t utime;
if(tree->options&BTREE_OPTION_TRACE) nbLogMsg(context,0,'T',"baselineEnable() called for baseline %s",tree->directory);
tree->synapse=nbSynapseOpen(context,skillHandle,tree,NULL,treeAlarm);
treeLoad(context,skillHandle,tree); // load baseline
// set timer
time(&utime);
remaining=tree->interval-utime%tree->interval;
nbSynapseSetTimer(context,tree->synapse,remaining);
nbLogMsg(context,0,'I',"Enabled baseline %s",tree->directory);
nbLogFlush(context);
return(0);
}
static void treeAlarm(nbCELL context,void *skillHandle,void *nodeHandle,nbCELL cell){
BTree *tree=(BTree *)nodeHandle;
int remaining;
time_t utime;
if(tree->period>=0){ // store baseline
treeStore(context,skillHandle,tree,NULL);
}
treeLoad(context,skillHandle,tree); // load baseline
// reset timer
time(&utime);
remaining=tree->interval-utime%tree->interval;
//nbLogMsg(context,0,'T',"treeAlarm() called for baseline %s - interval=%d,remaining=%d",tree->directory,tree->interval,remaining);
nbSynapseSetTimer(context,tree->synapse,remaining);
}
int main( int argc, char *argv[] )
{
nbCELL context;
nbCELL xCell;
nbCELL synapseAlertCell;
nbCELL synapseAlarmCell;
int i;
context = nbStart( argc, argv );
TEST( "Testing a synapse alert - response to cell change" );
nbCmd( context, "define x cell a + b;", NB_CMDOPT_ECHO );
nbCmd( context, "show a,b,x;", NB_CMDOPT_ECHO );
nbCmd( context, "assert a=13,b=100;", NB_CMDOPT_ECHO );
nbCmd( context, "show a,b,x;", NB_CMDOPT_ECHO );
showTermValue( context, "x" );
xCell = nbTermLocate( context, "x" );
if( xCell == NULL )
{
nbLogMsg( context, 0, 'E', "Unable to local x cell" );
return( 1 );
}
synapseAlertCell = nbSynapseOpen( context, NULL, NULL, xCell, myAlert );
nbCmd( context, "show a,b,x;", NB_CMDOPT_ECHO );
nbCmd( context, "assert a=14;", NB_CMDOPT_ECHO );
nbCmd( context, "show a,b,x;", NB_CMDOPT_ECHO );
TEST( "Testing synapse alert on time condition along with a synapse alarm" );
nbCmd( context, "assert x==~(4s);", NB_CMDOPT_ECHO );
synapseAlarmCell = nbSynapseOpen( context, NULL, NULL, NULL, myAlarm );
nbSynapseSetTimer( context, synapseAlarmCell, 3 );
// because we have not called nbServe yet, we need to tell the rule engine about advancing time
for(i=0;i<20;i++)
{
sleep(1);
nbClockAlert(); // WARNING: This function is deprecated and will be replaced in 0.9.04
}
TEST( "Testing a synapse alert and alarm with the rule engine in control of time" );
nbCmd( context, "define EndIt when(~(10s)):stop;", NB_CMDOPT_ECHO );
nbSynapseSetTimer( context, synapseAlarmCell, 5 );
char *argvServe[2]={"eSynapse","-s"};
nbServe( context, 2, argvServe );
nbSynapseClose( context, synapseAlertCell ); // release the synapse
nbSynapseClose( context, synapseAlarmCell ); // release the synapse
return ( nbStop( context ) );
}