static struct accepting_socket *
new_accepting_socket(struct evconnlistener_iocp *lev, int family)
{
struct accepting_socket *res;
int addrlen;
int buflen;
if (family == AF_INET)
addrlen = sizeof(struct sockaddr_in);
else if (family == AF_INET6)
addrlen = sizeof(struct sockaddr_in6);
else
return NULL;
buflen = (addrlen+16)*2;
res = (struct accepting_socket *)mm_calloc(1,sizeof(struct accepting_socket)-1+buflen);
if (!res)
return NULL;
event_overlapped_init_(&res->overlapped, accepted_socket_cb);
res->s = INVALID_SOCKET;
res->lev = lev;
res->buflen = buflen;
res->family = family;
event_deferred_cb_init_(&res->deferred,
event_base_get_npriorities(lev->event_base) / 2,
accepted_socket_invoke_user_cb, res);
InitializeCriticalSectionAndSpinCount(&res->lock, 1000);
return res;
}
int
bufferevent_get_priority(const struct bufferevent *bufev)
{
if (event_initialized(&bufev->ev_read)) {
return event_get_priority(&bufev->ev_read);
} else {
return event_base_get_npriorities(bufev->ev_base) / 2;
}
}
int
bufferevent_init_common_(struct bufferevent_private *bufev_private,
struct event_base *base,
const struct bufferevent_ops *ops,
enum bufferevent_options options)
{
struct bufferevent *bufev = &bufev_private->bev;
if (!bufev->input) {
if ((bufev->input = evbuffer_new()) == NULL)
return -1;
}
if (!bufev->output) {
if ((bufev->output = evbuffer_new()) == NULL) {
evbuffer_free(bufev->input);
return -1;
}
}
bufev_private->refcnt = 1;
bufev->ev_base = base;
/* Disable timeouts. */
evutil_timerclear(&bufev->timeout_read);
evutil_timerclear(&bufev->timeout_write);
bufev->be_ops = ops;
bufferevent_ratelim_init_(bufev_private);
/*
* Set to EV_WRITE so that using bufferevent_write is going to
* trigger a callback. Reading needs to be explicitly enabled
* because otherwise no data will be available.
*/
bufev->enabled = EV_WRITE;
#ifndef EVENT__DISABLE_THREAD_SUPPORT
if (options & BEV_OPT_THREADSAFE) {
if (bufferevent_enable_locking_(bufev, NULL) < 0) {
/* cleanup */
evbuffer_free(bufev->input);
evbuffer_free(bufev->output);
bufev->input = NULL;
bufev->output = NULL;
return -1;
}
}
#endif
if ((options & (BEV_OPT_DEFER_CALLBACKS|BEV_OPT_UNLOCK_CALLBACKS))
== BEV_OPT_UNLOCK_CALLBACKS) {
event_warnx("UNLOCK_CALLBACKS requires DEFER_CALLBACKS");
return -1;
}
if (options & BEV_OPT_UNLOCK_CALLBACKS)
event_deferred_cb_init_(
&bufev_private->deferred,
event_base_get_npriorities(base) / 2,
bufferevent_run_deferred_callbacks_unlocked,
bufev_private);
else
event_deferred_cb_init_(
&bufev_private->deferred,
event_base_get_npriorities(base) / 2,
bufferevent_run_deferred_callbacks_locked,
bufev_private);
bufev_private->options = options;
evbuffer_set_parent_(bufev->input, bufev);
evbuffer_set_parent_(bufev->output, bufev);
return 0;
}