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static struct pe_watcher_vtbl pe_idle_vtbl;
static pe_ring Idle;
/*#define D_IDLE(x) x /**/
#define D_IDLE(x) /**/
static pe_watcher *pe_idle_allocate(HV *stash, SV *temple) {
pe_idle *ev;
EvNew(3, ev, 1, pe_idle);
ev->base.vtbl = &pe_idle_vtbl;
pe_watcher_init(&ev->base, stash, temple);
PE_RING_INIT(&ev->tm.ring, ev);
PE_RING_INIT(&ev->iring, ev);
ev->max_interval = &PL_sv_undef;
ev->min_interval = newSVnv(.01);
return (pe_watcher*) ev;
}
static void pe_idle_dtor(pe_watcher *ev) {
pe_idle *ip = (pe_idle*) ev;
SvREFCNT_dec(ip->max_interval);
SvREFCNT_dec(ip->min_interval);
pe_watcher_dtor(ev);
EvFree(3, ev);
}
static char *pe_idle_start(pe_watcher *ev, int repeating) {
NV now;
NV min,max;
pe_idle *ip = (pe_idle*) ev;
if (!ev->callback)
return "without callback";
if (!repeating) ev->cbtime = NVtime();
now = WaHARD(ev)? ev->cbtime : NVtime();
if (sv_2interval("min", ip->min_interval, &min)) {
ip->tm.at = min + now;
pe_timeable_start(&ip->tm);
D_IDLE(warn("min %.2f setup '%s'\n", min, SvPV(ev->desc,na)));
}
else {
PE_RING_UNSHIFT(&ip->iring, &Idle);
D_IDLE(warn("idle '%s'\n", SvPV(ev->desc,na)));
if (sv_2interval("max", ip->max_interval, &max)) {
D_IDLE(warn("max %.2f setup '%s'\n", max, SvPV(ev->desc,na)));
ip->tm.at = max + now;
pe_timeable_start(&ip->tm);
}
}
return 0;
}
static void pe_idle_alarm(pe_watcher *wa, pe_timeable *_ignore) {
NV now = NVtime();
NV min,max,left;
pe_idle *ip = (pe_idle*) wa;
pe_timeable_stop(&ip->tm);
if (sv_2interval("min", ip->min_interval, &min)) {
left = wa->cbtime + min - now;
if (left > IntervalEpsilon) {
++TimeoutTooEarly;
ip->tm.at = now + left;
pe_timeable_start(&ip->tm);
D_IDLE(warn("min %.2f '%s'\n", left, SvPV(wa->desc,na)));
return;
}
}
if (PE_RING_EMPTY(&ip->iring)) {
PE_RING_UNSHIFT(&ip->iring, &Idle);
D_IDLE(warn("idle '%s'\n", SvPV(wa->desc,na)));
}
if (sv_2interval("max", ip->max_interval, &max)) {
left = wa->cbtime + max - now;
if (left < IntervalEpsilon) {
pe_event *ev;
D_IDLE(warn("max '%s'\n", SvPV(wa->desc,na)));
PE_RING_DETACH(&ip->iring);
ev = (*wa->vtbl->new_event)(wa);
++ev->hits;
queueEvent(ev);
return;
}
else {
++TimeoutTooEarly;
ip->tm.at = now + left;
D_IDLE(warn("max %.2f '%s'\n", left, SvPV(wa->desc,na)));
pe_timeable_start(&ip->tm);
}
}
}
static void pe_idle_stop(pe_watcher *ev) {
pe_idle *ip = (pe_idle*) ev;
PE_RING_DETACH(&ip->iring);
pe_timeable_stop(&ip->tm);
}
WKEYMETH(_idle_max_interval) {
pe_idle *ip = (pe_idle*) ev;
if (nval) {
SV *old = ip->max_interval;
ip->max_interval = SvREFCNT_inc(nval);
if (old) SvREFCNT_dec(old);
VERIFYINTERVAL("max", ip->max_interval);
}
{
dSP;
XPUSHs(ip->max_interval);
PUTBACK;
}
}
WKEYMETH(_idle_min_interval) {
pe_idle *ip = (pe_idle*) ev;
if (nval) {
SV *old = ip->min_interval;
ip->min_interval = SvREFCNT_inc(nval);
if (old) SvREFCNT_dec(old);
VERIFYINTERVAL("min", ip->min_interval);
}
{
dSP;
XPUSHs(ip->min_interval);
PUTBACK;
}
}
static void boot_idle() {
pe_watcher_vtbl *vt = &pe_idle_vtbl;
PE_RING_INIT(&Idle, 0);
memcpy(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl));
vt->dtor = pe_idle_dtor;
vt->start = pe_idle_start;
vt->stop = pe_idle_stop;
vt->alarm = pe_idle_alarm;
pe_register_vtbl(vt, gv_stashpv("Event::idle",1), &event_vtbl);
}
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