/**
* netplay_pre_frame:
* @netplay : pointer to netplay object
*
* Pre-frame for Netplay.
* Call this before running retro_run().
*
* Returns: true (1) if the frontend is cleared to emulate the frame, false (0)
* if we're stalled or paused
**/
bool netplay_pre_frame(netplay_t *netplay)
{
retro_assert(netplay && netplay->net_cbs->pre_frame);
/* FIXME: This is an ugly way to learn we're not paused anymore */
if (netplay->local_paused)
netplay_frontend_paused(netplay, false);
if (netplay->quirks & NETPLAY_QUIRK_INITIALIZATION)
{
/* Are we ready now? */
netplay_try_init_serialization(netplay);
}
/* Advertise our server if applicable */
if (netplay->is_server)
{
if (netplay_ad_fd >= 0 || init_ad_socket(netplay, RARCH_DEFAULT_PORT))
netplay_ad_server(netplay, netplay_ad_fd);
}
if (!netplay->net_cbs->pre_frame(netplay))
return false;
return (!netplay->has_connection || (!netplay->stall && !netplay->remote_paused));
}
bool netplay_wait_and_init_serialization(netplay_t *netplay)
{
int frame;
if (netplay->state_size)
return true;
/* Wait a maximum of 60 frames */
for (frame = 0; frame < 60; frame++) {
if (netplay_try_init_serialization(netplay))
return true;
#if defined(HAVE_THREADS)
autosave_lock();
#endif
core_run();
#if defined(HAVE_THREADS)
autosave_unlock();
#endif
}
return false;
}
/**
* netplay_pre_frame:
* @netplay : pointer to netplay object
*
* Pre-frame for Netplay.
* Call this before running retro_run().
*
* Returns: true (1) if the frontend is cleared to emulate the frame, false (0)
* if we're stalled or paused
**/
bool netplay_pre_frame(netplay_t *netplay)
{
bool sync_stalled;
settings_t *settings = config_get_ptr();
retro_assert(netplay);
if (settings->bools.netplay_public_announce)
{
reannounce++;
if ((netplay->is_server || is_mitm) && (reannounce % 600 == 0))
netplay_announce();
}
else
{
/* Make sure that if announcement is turned on mid-game, it gets announced */
reannounce = -1;
}
/* FIXME: This is an ugly way to learn we're not paused anymore */
if (netplay->local_paused)
netplay_frontend_paused(netplay, false);
if (netplay->quirks & NETPLAY_QUIRK_INITIALIZATION)
{
/* Are we ready now? */
netplay_try_init_serialization(netplay);
}
if (netplay->is_server && !settings->bools.netplay_use_mitm_server)
{
/* Advertise our server */
netplay_lan_ad_server(netplay);
/* NAT traversal if applicable */
if (netplay->nat_traversal &&
!netplay->nat_traversal_task_oustanding &&
netplay->nat_traversal_state.request_outstanding &&
!netplay->nat_traversal_state.have_inet4)
{
struct timeval tmptv = {0};
fd_set fds = netplay->nat_traversal_state.fds;
if (socket_select(netplay->nat_traversal_state.nfds, &fds, NULL, NULL, &tmptv) > 0)
natt_read(&netplay->nat_traversal_state);
#ifndef HAVE_SOCKET_LEGACY
if (!netplay->nat_traversal_state.request_outstanding ||
netplay->nat_traversal_state.have_inet4)
netplay_announce_nat_traversal(netplay);
#endif
}
}
sync_stalled = !netplay_sync_pre_frame(netplay);
/* If we're disconnected, deinitialize */
if (!netplay->is_server && !netplay->connections[0].active)
{
netplay_disconnect(netplay);
return true;
}
if (sync_stalled ||
((!netplay->is_server || (netplay->connected_players>1)) &&
(netplay->stall || netplay->remote_paused)))
{
/* We may have received data even if we're stalled, so run post-frame
* sync */
netplay_sync_post_frame(netplay, true);
return false;
}
return true;
}