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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* event.c: Event functions. |
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* |
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* Copyright (c) 1998-2000 Regents of the University of California |
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* Copyright (c) 2000-2014 ircd-hybrid development team |
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* |
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* $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "list.h" |
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#include "ircd.h" |
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#include "event.h" |
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#include "client.h" |
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#include "send.h" |
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#include "memory.h" |
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#include "log.h" |
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#include "numeric.h" |
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#include "rng_mt.h" |
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|
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static dlink_list events; |
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|
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void |
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event_add(struct event *ev, void *data) |
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{ |
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dlink_node *node; |
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|
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event_delete(ev); |
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|
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ev->data = data; |
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ev->next = CurrentTime + ev->when; |
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ev->enabled = 1; |
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|
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DLINK_FOREACH(node, events.head) |
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{ |
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struct event *e = node->data; |
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|
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if (e->next > ev->next) |
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{ |
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dlinkAddBefore(node, ev, &ev->node, &events); |
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return; |
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} |
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} |
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|
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dlinkAddTail(ev, &ev->node, &events); |
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} |
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|
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void |
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event_addish(struct event *ev, void *data) |
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{ |
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if (ev->when >= 3) |
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{ |
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const time_t two_third = (2 * ev->when) / 3; |
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ev->when = two_third + ((genrand_int32() % 1000) * two_third) / 1000; |
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/* |
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* XXX I hate the above magic, I don't even know if its right. |
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* Grr. -- adrian |
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*/ |
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} |
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|
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event_add(ev, data); |
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} |
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|
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void |
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event_delete(struct event *ev) |
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{ |
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if (!ev->enabled) |
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return; |
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|
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dlinkDelete(&ev->node, &events); |
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ev->enabled = 0; |
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} |
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|
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void |
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event_run(void) |
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{ |
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static time_t last = 0; |
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dlink_node *node = NULL; |
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size_t len = 0; |
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|
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if (last == CurrentTime) |
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return; |
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last = CurrentTime; |
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|
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len = dlink_list_length(&events); |
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while (len-- && dlink_list_length(&events)) |
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{ |
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struct event *e = events.head->data; |
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|
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if (e->when > CurrentTime) |
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break; |
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|
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event_delete(e); |
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|
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e->handler(e->data); |
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|
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if (!e->oneshot) |
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event_add(e, e->data); |
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} |
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} |
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|
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/* |
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* void set_back_events(time_t by) |
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* Input: Time to set back events by. |
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* Output: None. |
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* Side-effects: Sets back all events by "by" seconds. |
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*/ |
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void |
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set_back_events(time_t by) |
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{ |
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dlink_node *node; |
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|
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DLINK_FOREACH(node, events.head) |
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{ |
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struct event *ev = node->data; |
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ev->next -= by; |
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} |
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} |
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|
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/* |
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* void show_events(struct Client *source_p) |
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* |
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* Input: Client requesting the event |
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* Output: List of events |
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* Side Effects: None |
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*/ |
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void |
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show_events(struct Client *source_p) |
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{ |
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const dlink_node *node; |
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|
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sendto_one_numeric(source_p, &me, RPL_STATSDEBUG|SND_EXPLICIT, |
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"E :Operation Next Execution"); |
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sendto_one_numeric(source_p, &me, RPL_STATSDEBUG|SND_EXPLICIT, |
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"E :-------------------------------------------"); |
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|
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DLINK_FOREACH(node, events.head) |
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{ |
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const struct event *ev = node->data; |
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|
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sendto_one_numeric(source_p, &me, RPL_STATSDEBUG|SND_EXPLICIT, |
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"E :%-28s %-4d seconds", |
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ev->name, |
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(int)(ev->next - CurrentTime)); |
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} |
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} |
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|
