SFLPoller *sfl_agent_addPoller(SFLAgent *agent,
SFLDataSource_instance *pdsi,
void *magic, /* ptr to pass back in getCountersFn() */
getCountersFn_t getCountersFn)
{
/* keep the list sorted */
SFLPoller *prev = NULL, *pl = agent->pollers;
for(; pl != NULL; prev = pl, pl = pl->nxt) {
int64_t cmp = sfl_dsi_compare(pdsi, &pl->dsi);
if(cmp == 0) return pl; /* found - return existing one */
if(cmp < 0) break; /* insert here */
}
/* either we found the insert point, or reached the end of the list... */
{
SFLPoller *newpl = (SFLPoller *)sflAlloc(agent, sizeof(SFLPoller));
sfl_poller_init(newpl, agent, pdsi, magic, getCountersFn);
if(prev) prev->nxt = newpl;
else agent->pollers = newpl;
newpl->nxt = pl;
return newpl;
}
}
static void reset(SFLPoller *poller)
{
SFLDataSource_instance dsi = poller->dsi;
sfl_poller_init(poller, poller->agent, &dsi, poller->magic, poller->getCountersFn);
}