/*
* DNS UDP socket activity callback
*/
static void
resolv_sock_cb(struct ev_loop *loop, struct ev_io *w, int revents) {
struct dns_ctx *ctx = (struct dns_ctx *)w->data;
if (revents & EV_READ)
dns_ioevent(ctx, ev_now(loop));
}
static int dns_module_eventer_callback(eventer_t e, int mask, void *closure,
struct timeval *now) {
dns_ctx_handle_t *h = closure;
dns_module_dns_ctx_acquire(h);
dns_ioevent(h->ctx, now->tv_sec);
if(dns_module_dns_ctx_release(h)) {
/* We've been closed */
return 0;
}
return EVENTER_READ | EVENTER_EXCEPTION;
}
/*@null@*/
static PyObject*
Resolver_ioevent (Resolver *self, PyObject *args) {
time_t now = 0;
if (!PyArg_ParseTuple(args, "|l", &now)) {
PyErr_SetString(PyExc_TypeError, "Resolver.ioevent(now=0) wrong arguments.");
return NULL;
}
dns_ioevent(self->ctx, now);
Py_RETURN_NONE;
}
/** responses from the resolver */
static int _mio_resolver_callback(mio_t m, mio_action_t a, mio_fd_t fd, void *data, void *arg) {
switch(a) {
case action_READ:
log_debug(ZONE, "read action on fd %d", fd->fd);
dns_ioevent(0, time(NULL));
default:
break;
}
return 0;
}
static void waitdns(struct ipcheck *ipc) {
struct timeval tv;
fd_set fds;
int c;
int fd = dns_sock(NULL);
time_t now = 0;
FD_ZERO(&fds);
while((c = dns_timeouts(NULL, -1, now)) > 0) {
FD_SET(fd, &fds);
tv.tv_sec = c;
tv.tv_usec = 0;
c = select(fd+1, &fds, NULL, NULL, &tv);
now = time(NULL);
if (c > 0)
dns_ioevent(NULL, now);
if (stopfirst && ipc->listed)
break;
}
}
static int dns_cache_callback(eventer_t e, int mask, void *closure,
struct timeval *now) {
struct dns_ctx *ctx = closure;
dns_ioevent(ctx, now->tv_sec);
return EVENTER_READ | EVENTER_EXCEPTION;
}
static int dns_eventer_callback(eventer_t e, int mask, void *closure,
struct timeval *now) {
dns_ctx_handle_t *h = closure;
dns_ioevent(h->ctx, now->tv_sec);
return EVENTER_READ | EVENTER_EXCEPTION;
}
static void dns_io_cb (EV_P_ ev_io *w, int revents)
{
ev_tstamp now = ev_now(EV_A );
dns_ioevent(NULL, now);
}
static void ape_dns_io()
{
dns_ioevent(NULL, 0);
}
