void lw_timer_start (lw_timer ctx, long interval)
{
lw_timer_stop (ctx);
ctx->started = lw_true;
lw_pump_add_user (ctx->pump);
#ifdef USE_KQUEUE
if (ctx->pump->def == &def_eventpump)
{
struct kevent event;
EV_SET (&event, (uintptr_t) ctx, EVFILT_TIMER,
EV_ADD | EV_ENABLE | EV_CLEAR, 0, interval, ctx);
if (kevent (((lw_eventpump) ctx->pump)->queue,
&event, 1, 0, 0, 0) == -1)
{
lwp_trace ("Timer: Failed to add timer to kqueue: %s",
strerror (errno));
return;
}
}
else
{
ctx->interval = interval;
lw_thread_start (ctx->timer_thread, ctx);
}
#else
#ifdef _lacewing_use_timerfd
struct itimerspec spec;
spec.it_interval.tv_sec = interval / 1000;
spec.it_interval.tv_nsec = (interval % 1000) * 1000000;
spec.it_value.tv_sec = 0;
spec.it_value.tv_nsec = 1;
timerfd_settime (ctx->fd, 0, &spec, 0);
#else
ctx->interval = interval;
lw_thread_start (ctx->timer_thread, ctx);
#endif
#endif
}
void lwp_addr_init (lw_addr ctx, const char * hostname,
const char * service, long hints)
{
char * it;
memset (ctx, 0, sizeof (*ctx));
ctx->resolver_thread = lw_thread_new ("resolver", (void *) resolver);
ctx->hints = hints;
ctx->hostname_to_free = ctx->hostname = strdup (hostname);
while (isspace (*ctx->hostname))
++ ctx->hostname;
while (isspace (ctx->hostname [strlen (ctx->hostname) - 1]))
ctx->hostname [strlen (ctx->hostname) - 1] = 0;
for (it = ctx->hostname; *it; ++ it)
{
if (it [0] == ':' && it [1] == '/' && it [2] == '/')
{
*it = 0;
service = ctx->hostname;
ctx->hostname = it + 3;
}
if (*it == ':')
{
/* an explicit port overrides the service name */
service = it + 1;
*it = 0;
}
}
lwp_copy_string (ctx->service, service, sizeof (ctx->service));
lw_thread_join (ctx->resolver_thread); /* block if the thread is already running */
lw_thread_start (ctx->resolver_thread, ctx);
}
