lw_timer lw_timer_new (lw_pump pump)
{
lw_timer ctx = calloc (sizeof (*ctx), 1);
if (!ctx)
return 0;
ctx->pump = pump;
ctx->timer_thread = lw_thread_new ("timer_thread", timer_thread);
ctx->stop_event = lw_event_new ();
#ifdef _lacewing_use_timerfd
ctx->fd = timerfd_create (CLOCK_MONOTONIC, TFD_NONBLOCK);
lw_pump_add (ctx->pump, ctx->fd, ctx, (lw_pump_callback) timer_tick, 0, lw_true);
#endif
return ctx;
}
void lw_udp_host_filter (lw_udp ctx, lw_filter filter)
{
lw_udp_unhost (ctx);
lw_error error = lw_error_new ();
if ((ctx->fd = lwp_create_server_socket
(filter, SOCK_DGRAM, IPPROTO_UDP, error)) == -1)
{
if (ctx->on_error)
ctx->on_error (ctx, error);
lw_error_delete (error);
return;
}
lw_error_delete (error);
ctx->filter = lw_filter_clone (filter);
lw_pump_add (ctx->pump, ctx->fd, ctx, read_ready, 0, lw_true);
}
void lw_fdstream_set_fd (lw_fdstream ctx, lw_fd fd, lw_pump_watch watch,
lw_bool auto_close)
{
if (ctx->watch)
{
lw_pump_remove (lw_stream_pump ((lw_stream) ctx), ctx->watch);
ctx->watch = 0;
}
if ( (ctx->flags & lwp_fdstream_flag_autoclose) && ctx->fd != -1)
lw_stream_close ((lw_stream) ctx, lw_true);
ctx->fd = fd;
if (auto_close)
ctx->flags |= lwp_fdstream_flag_autoclose;
else
ctx->flags &= ~ lwp_fdstream_flag_autoclose;
if (ctx->fd == -1)
return;
fcntl (fd, F_SETFL, fcntl (fd, F_GETFL, 0) | O_NONBLOCK);
#if HAVE_DECL_SO_NOSIGPIPE
{ int b = 1;
setsockopt (fd, SOL_SOCKET, SO_NOSIGPIPE, (char *) &b, sizeof (b));
}
#endif
{ int b = (ctx->flags & lwp_fdstream_flag_nagle) ? 0 : 1;
setsockopt (fd, SOL_SOCKET, TCP_NODELAY, (char *) &b, sizeof (b));
}
struct stat stat;
fstat (fd, &stat);
if (S_ISSOCK (stat.st_mode))
{
ctx->flags |= lwp_fdstream_flag_is_socket;
}
else
{
ctx->flags &= ~ lwp_fdstream_flag_is_socket;
if ((ctx->size = stat.st_size) > 0)
return;
/* Not a socket, and size is 0. Is it really just an empty file? */
if (S_ISREG (stat.st_mode))
return;
}
/* Assuming this is something we can watch for readiness. */
ctx->size = -1;
lw_pump pump = lw_stream_pump ((lw_stream) ctx);
if (watch)
{
/* Given an existing pump watch - change it to use our callbacks */
ctx->watch = watch;
lw_pump_update_callbacks (pump, ctx->watch, ctx,
read_ready, write_ready, lw_true);
}
else
{
ctx->watch = lw_pump_add (pump, fd, ctx, read_ready,
write_ready, lw_true);
}
}
