static gboolean
gst_interleave_src_event (GstPad * pad, GstEvent * event)
{
GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad));
gboolean result;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
/* QoS might be tricky */
result = FALSE;
break;
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
GstSeekType curtype;
gint64 cur;
/* parse the seek parameters */
gst_event_parse_seek (event, &self->segment_rate, NULL, &flags, &curtype,
&cur, NULL, NULL);
/* check if we are flushing */
if (flags & GST_SEEK_FLAG_FLUSH) {
/* make sure we accept nothing anymore and return WRONG_STATE */
gst_collect_pads_set_flushing (self->collect, TRUE);
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP. */
gst_pad_push_event (self->src, gst_event_new_flush_start ());
}
/* now wait for the collected to be finished and mark a new
* segment */
GST_OBJECT_LOCK (self->collect);
if (curtype == GST_SEEK_TYPE_SET)
self->segment_position = cur;
else
self->segment_position = 0;
self->segment_pending = TRUE;
GST_OBJECT_UNLOCK (self->collect);
result = forward_event (self, event);
break;
}
case GST_EVENT_NAVIGATION:
/* navigation is rather pointless. */
result = FALSE;
break;
default:
/* just forward the rest for now */
result = forward_event (self, event);
break;
}
gst_object_unref (self);
return result;
}
static void proxy_http_handler(nsock_pool nspool, nsock_event nsevent, void *udata) {
int rc = 0;
struct npool *nsp = (struct npool *)nspool;
struct nevent *nse = (struct nevent *)nsevent;
switch (nse->iod->px_ctx->px_state) {
case PROXY_STATE_INITIAL:
rc = handle_state_initial(nsp, nse, udata);
break;
case PROXY_STATE_HTTP_TCP_CONNECTED:
if (nse->type == NSE_TYPE_READ)
rc = handle_state_tcp_connected(nsp, nse, udata);
break;
case PROXY_STATE_HTTP_TUNNEL_ESTABLISHED:
forward_event(nsp, nse, udata);
break;
default:
fatal("Invalid proxy state!");
}
if (rc) {
nse->status = NSE_STATUS_PROXYERROR;
forward_event(nsp, nse, udata);
}
}
sc::result CellStateChart_CellCycle_Mitosis::react( const EvCellStateChart_CellCycleUpdate & ){
CellPtr myCell=context<CellStatechart>().pCell;
if(state_cast<const CellStateChart_GLD1_Active*>()!=0 && GetTime()>1){
return transit<CellStateChart_CellCycle_Meiosis>();
}
return forward_event();
};
static gboolean
gst_live_adder_src_event (GstPad * pad, GstEvent * event)
{
GstLiveAdder *adder;
gboolean result;
adder = GST_LIVE_ADDER (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
/* TODO : QoS might be tricky */
result = FALSE;
break;
case GST_EVENT_NAVIGATION:
/* TODO : navigation is rather pointless. */
result = FALSE;
break;
default:
/* just forward the rest for now */
result = forward_event (adder, event);
break;
}
gst_event_unref (event);
gst_object_unref (adder);
return result;
}
static int handle_state_tcp_connected(struct npool *nsp, struct nevent *nse, void *udata) {
struct proxy_chain_context *px_ctx = nse->iod->px_ctx;
char *res;
int reslen;
res = nse_readbuf(nse, &reslen);
/* TODO string check!! */
if (!((reslen >= 15) && strstr(res, "200 OK"))) {
struct proxy_node *node = px_ctx->px_current;
nsock_log_debug("Connection refused from proxy %s", node->nodestr);
return -EINVAL;
}
px_ctx->px_state = PROXY_STATE_HTTP_TUNNEL_ESTABLISHED;
if (proxy_ctx_node_next(px_ctx) == NULL) {
forward_event(nsp, nse, udata);
} else {
px_ctx->px_current = proxy_ctx_node_next(px_ctx);
px_ctx->px_state = PROXY_STATE_INITIAL;
nsock_proxy_ev_dispatch(nsp, nse, udata);
}
return 0;
}
sc::result StGetBackOnTrackAStar::react(const EvProcess&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
// TODO: reactivate gpp / emergency planner
throw VLRException("Recover mode not reimplemented..");
return transit<StDrive> ();
return forward_event();
}
sc::result CellStateChart_GLP1_Active::react( const EvCellStateChart_GLP1Update & ){
CellPtr myCell=context<CellStatechart>().pCell;
if(GetDistanceFromDTC(myCell)>100){
return transit<CellStateChart_GLP1_Absent>();
}
return forward_event();
};
sc::result CellStateChart_GLD1_Inactive::react( const EvCellStateChart_GLD1Update & ){
CellPtr myCell=context<CellStatechart>().pCell;
if(state_cast<const CellStateChart_LAG1_Inactive*>()!=0){
return transit<CellStateChart_GLD1_Active>();
}
return forward_event();
};
sc::result CellStateChart_Life_Living::react( const EvCellStateChart_LifeUpdate & ){
CellPtr myCell=context<CellStatechart>().pCell;
if(IsDead(myCell)==true){
return transit<CellStateChart_Life_Dead>();
}
return forward_event();
};
sc::result CellStateChart_GLP1_Unbound::react( const EvCellStateChart_GLP1Update & ){
CellPtr myCell=context<CellStatechart>().pCell;
if(GetDistanceFromDTC(myCell)<15){
return transit<CellStateChart_GLP1_Bound>();
}
return forward_event();
};
static gboolean
gst_frei0r_mixer_src_event (GstPad * pad, GstEvent * event)
{
GstFrei0rMixer *self = GST_FREI0R_MIXER (gst_pad_get_parent (pad));
gboolean ret = FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
/* QoS might be tricky */
ret = FALSE;
break;
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
/* parse the seek parameters */
gst_event_parse_seek (event, NULL, NULL, &flags, NULL, NULL, NULL, NULL);
/* check if we are flushing */
if (flags & GST_SEEK_FLAG_FLUSH) {
/* make sure we accept nothing anymore and return WRONG_STATE */
gst_collect_pads_set_flushing (self->collect, TRUE);
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP. */
gst_pad_push_event (self->src, gst_event_new_flush_start ());
}
ret = forward_event (self, event);
break;
}
case GST_EVENT_NAVIGATION:
/* navigation is rather pointless. */
ret = FALSE;
break;
default:
/* just forward the rest for now */
ret = forward_event (self, event);
break;
}
gst_object_unref (self);
return ret;
}
void nsock_proxy_ev_dispatch(nsock_pool nspool, nsock_event nsevent, void *udata) {
struct nevent *nse = (struct nevent *)nsevent;
if (nse->status == NSE_STATUS_SUCCESS) {
struct proxy_node *current;
current = nse->iod->px_ctx->px_current;
assert(current);
current->spec->ops->handler(nspool, nsevent, udata);
} else {
forward_event(nspool, nsevent, udata);
}
}
sc::result StReplanStop::react(const EvProcess&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
ChsmPlanner& planner = context<ChsmPlanner> ();
if (planner.currentPose().v() < 0.5 || !planner.stop_before_replanning) {
return (transit<StReroute> ());
}
else {
planner.generateCurvePoints(0.001);
}
return forward_event();
}
sc::result StStopping::react(const EvProcess&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
// calculate distance to stop point
double goal_dist = context<ChsmPlanner> ().topology_->distToMissionEnd();
// generate curve points
context<ChsmPlanner> ().generateCurvePoints(context<ChsmPlanner> ().params().max_speed_goal);
// transitions
if (goal_dist < STOP_DIST_THRESHOLD && context<ChsmPlanner> ().currentPose().v() < STOP_SPEED_THRESHOLD) {
return transit<StPause> ();
}
return forward_event();
}
sc::result StWaitForActivation::react(const sc::exception_thrown&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
try {
throw ;
}
/* we can catch special exceptions here and handle them
catch ( const std::runtime_error & )
{
// only std::runtime_errors will lead to a transition
// to Defective ...
return transit< StError >();
}*/
catch ( ... ) {
return forward_event();
}
}
sc::result StGetBackOnTrackPrepare::react(const EvProcess&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
// return transit<StDrive>();
// return transit<StPause>();
ChsmPlanner& planner = context<ChsmPlanner> ();
if (isExpired(context<StGetBackOnTrack> ().map_timer)) {
return transit<StGetBackOnTrackAStar> ();
}
else {
planner.generateStopTrajectory();
return forward_event();
}
}
sc::result CellStateChart_CellCycle_Mitosis_S::react( const EvCellStateChart_CellCycleUpdate & ){
CellPtr myCell=context<CellStatechart>().pCell;
double dist=GetDistanceFromDTC(myCell);
double TotalDuration;
if(dist>=0 && dist<7){
TotalDuration = 32-24*dist/7.0;
}else if(dist>7 ){
TotalDuration = 8+24*(dist-7.0)/93.0;
}
double Duration=TotalDuration*0.4165;
context<CellStatechart>().TimeInPhase+=GetTimestep();
if(context<CellStatechart>().TimeInPhase>=Duration){
return transit<CellStateChart_CellCycle_Mitosis_G2>();
}
return forward_event();
};
int intercept(struct libevdev_uinput *uidev, struct libevdev *dev){
int ret;
struct input_event ev;
struct chord state;
chord_reset(&state);
lookup_init("dat/test-keymap-minimal.dat");
do {
ret = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL|LIBEVDEV_READ_FLAG_BLOCKING, &ev);
if (ret == LIBEVDEV_READ_STATUS_SUCCESS){
//forward key down and key up events
if(ev.type == EV_KEY && (ev.value == 1 || ev.value == 0))
forward_event(uidev, &ev, &state);
}
} while (ret == LIBEVDEV_READ_STATUS_SYNC || ret == LIBEVDEV_READ_STATUS_SUCCESS || ret == -EAGAIN);
if (ret != LIBEVDEV_READ_STATUS_SUCCESS && ret != -EAGAIN)
fprintf(stderr, "Failed to handle events: %s\n", strerror(-ret));
return 0;}
sc::result StIntersectionTrafficLightWait::react(const EvProcess&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
// get global data
ChsmPlanner& planner = context<ChsmPlanner>();
Topology* topology = context<ChsmPlanner>().topology_;
IntersectionManager* isec_man = context<StIntersection>().isec_man;
assert(isec_man);
// Transition: Recovery Mode
if (isec_man->hasPrioMovement()) {
context<StIntersection> ().clearRecoveryIndicator();
}
// measure progress in the parent state
if (planner.params().enable_recovery && (context<StIntersection> ().checkRecovery())) {
return transit<StIntersectionRecover> ();
}
// Transition: Replanning (because route is blocked)
if (topology->isRouteBlocked()) return transit<StReplan> ();
// generate stop trajectory
planner.generateStopTrajectory();
// set turn signal
planner.turn_signal_.signal = context<StIntersection> ().turnDirection;
//// Transition: drive in intersection
////
//// We will go if it's our turn and rely on vehicle prediction
//// to not run into anybody
//// if (isec_man->hasRightOfWay() && !context<StIntersection>().isec_man->hasToStop()) {
if (isec_man->hasRightOfWay() && !context<StIntersection>().isec_man->hasToStop() && !isec_man->isVehicleOnIntersectionInFront()) {
return transit<StIntersectionDriveInside> ();
}
return forward_event();
}
sc::result StWaitForActivation::react(const EvProcess&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
ChsmPlanner& planner = context<ChsmPlanner> ();
Topology* topology = planner.topology_;
// set velocity to 0 -> park mode
context<ChsmPlanner> ().generateStopTrajectory();
// context<ChsmPlanner> ().vehiclecmd.beeper_on = 1;
// context<ChsmPlanner> ().vehiclecmd.hazard_lights_on = 1;
if (isExpired(wait_until_)) {
// Transition: Replanning (because ego vehicle is off track)
if (topology->isOffTrack() || moved) return transit<StReplan> ();
// Transition: restore history
return transit<StActiveHistory> ();
}
else {
return forward_event();
}
}
static gboolean
gst_adder_src_event (GstPad * pad, GstEvent * event)
{
GstAdder *adder;
gboolean result;
adder = GST_ADDER (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (pad, "Got %s event on src pad from %s",
GST_EVENT_TYPE_NAME (event), GST_OBJECT_NAME (GST_EVENT_SRC (event)));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
{
GstSeekFlags flags;
GstSeekType curtype, endtype;
gint64 cur, end;
gboolean flush;
/* parse the seek parameters */
gst_event_parse_seek (event, &adder->segment_rate, NULL, &flags, &curtype,
&cur, &endtype, &end);
if ((curtype != GST_SEEK_TYPE_NONE) && (curtype != GST_SEEK_TYPE_SET)) {
result = FALSE;
GST_DEBUG_OBJECT (adder,
"seeking failed, unhandled seek type for start: %d", curtype);
goto done;
}
if ((endtype != GST_SEEK_TYPE_NONE) && (endtype != GST_SEEK_TYPE_SET)) {
result = FALSE;
GST_DEBUG_OBJECT (adder,
"seeking failed, unhandled seek type for end: %d", endtype);
goto done;
}
flush = (flags & GST_SEEK_FLAG_FLUSH) == GST_SEEK_FLAG_FLUSH;
/* check if we are flushing */
if (flush) {
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP.
* Make sure we accept nothing anymore and return WRONG_STATE.
* We send a flush-start before, to ensure no streaming is done
* as we need to take the stream lock.
*/
gst_pad_push_event (adder->srcpad, gst_event_new_flush_start ());
gst_collect_pads2_set_flushing (adder->collect, TRUE);
/* We can't send FLUSH_STOP here since upstream could start pushing data
* after we unlock adder->collect.
* We set flush_stop_pending to TRUE instead and send FLUSH_STOP after
* forwarding the seek upstream or from gst_adder_collected,
* whichever happens first.
*/
g_atomic_int_set (&adder->flush_stop_pending, TRUE);
}
GST_DEBUG_OBJECT (adder, "handling seek event: %" GST_PTR_FORMAT, event);
/* now wait for the collected to be finished and mark a new
* segment. After we have the lock, no collect function is running and no
* new collect function will be called for as long as we're flushing. */
GST_COLLECT_PADS2_STREAM_LOCK (adder->collect);
if (curtype == GST_SEEK_TYPE_SET)
adder->segment_start = cur;
else
adder->segment_start = 0;
if (endtype == GST_SEEK_TYPE_SET)
adder->segment_end = end;
else
adder->segment_end = GST_CLOCK_TIME_NONE;
if (flush) {
/* Yes, we need to call _set_flushing again *WHEN* the streaming threads
* have stopped so that the cookie gets properly updated. */
gst_collect_pads2_set_flushing (adder->collect, TRUE);
}
GST_COLLECT_PADS2_STREAM_UNLOCK (adder->collect);
GST_DEBUG_OBJECT (adder, "forwarding seek event: %" GST_PTR_FORMAT,
event);
/* we're forwarding seek to all upstream peers and wait for one to reply
* with a newsegment-event before we send a newsegment-event downstream */
g_atomic_int_set (&adder->wait_for_new_segment, TRUE);
result = forward_event (adder, event, flush);
if (!result) {
/* seek failed. maybe source is a live source. */
GST_DEBUG_OBJECT (adder, "seeking failed");
}
if (g_atomic_int_compare_and_exchange (&adder->flush_stop_pending,
TRUE, FALSE)) {
GST_DEBUG_OBJECT (adder, "pending flush stop");
gst_pad_push_event (adder->srcpad, gst_event_new_flush_stop ());
}
break;
}
case GST_EVENT_QOS:
/* QoS might be tricky */
result = FALSE;
break;
case GST_EVENT_NAVIGATION:
/* navigation is rather pointless. */
result = FALSE;
break;
default:
/* just forward the rest for now */
GST_DEBUG_OBJECT (adder, "forward unhandled event: %s",
GST_EVENT_TYPE_NAME (event));
result = forward_event (adder, event, FALSE);
break;
}
done:
gst_object_unref (adder);
return result;
}
sc::result StIntersectionTrafficLightStop::react(const EvProcess&)
{
if (detectedErrornousTransitions()) return transit<StGlobalRecover>();
ChsmPlanner& planner = context<ChsmPlanner>();
IntersectionManager* isec_man = context<StIntersection>().isec_man;
Topology* topology = context<ChsmPlanner>().topology_;
assert(isec_man);
// Transition: Recovery Mode
if (isec_man->hasPrioMovement()) {
context<StIntersection>().clearRecoveryIndicator();
}
if (planner.params().enable_recovery && (context<StIntersection>().checkRecovery() || isExpired(context<StIntersection>().max_wait_at_intersection))) { // measure progress in the parent state
return transit<StIntersectionRecover>();
}
// Transition: Replanning (because ego vehicle is off track)
if (topology->isOffTrack())
return transit<StReplan>();
// Transition: Replanning (because route is blocked)
if ( topology->isRouteBlocked() )
return transit<StReplan>();
// Transition: If traffic light switched to green while slowing down cross intersection
if(!context<StIntersection>().isec_man->hasToStop()) {
return transit<StIntersectionDriveInside>();
}
// calculate distances
// TODO: make sure that stop line belongs to intersection
double traffic_light_dist = topology->distToTrafficLight(isec_man->intersection(), NULL, &planner.stop_point_);
double intersec_dist = topology->distToIntersection(isec_man->intersection());
double mv_veh_dist, sv_veh_dist;
planner.getVehicleDistances(sv_veh_dist, mv_veh_dist);
// set turn signal
planner.turn_signal_.signal = context<StIntersection>().turnDirection;
// printf("STOP IN %f m;\t CURRENT SPEED %f\n", traffic_light_dist, currentPose().v());
// Transition: Wait at stop line (because ego_vehicle stopped at stopline)
if ( traffic_light_dist < TRAFFIC_LIGHT_DIST_THRESHOLD && planner.currentPose().v() < STOP_SPEED_THRESHOLD ) {
return transit<StIntersectionTrafficLightWait>();
}
else if (traffic_light_dist == std::numeric_limits<double>::infinity()) {
std::cout << "WE RAN OVER A (NON GREEN) TRAFFIC LIGHT!!\n";
return transit<StIntersectionDriveInside>();
}
// Transition: Queueing (if vehicle backed up)
if ( traffic_light_dist < TRIGGER_DIST_TRAFFIC_LIGHT && (mv_veh_dist < traffic_light_dist || sv_veh_dist < traffic_light_dist) )
return transit<StIntersectionQueue>();
// Transition: To get states right if something goes wrong: leave intersection mode if we behind intersection
if ( intersec_dist <= -0.1 ) {
return transit<StDrive>();
}
// generate curvepoints
context<StIntersection>().generateCurvepoints(traffic_light_dist, planner.params().max_speed_traffic_light_approach);
return forward_event();
}
sc::result StStop::react(const EvProcess&) {
return forward_event();
}
sc::result Configuring::react(events::Connected const&)
{
impl_->connected();
return forward_event();
}
sc::result CellStateChart_Life_Dead::react( const EvCellStateChart_LifeUpdate & ){
CellPtr myCell=context<CellStatechart>().pCell;
return forward_event();
};
sc::result CellStateChart_GLP1_Absent::react( const EvCellStateChart_GLP1Update & ){
CellPtr myCell=context<CellStatechart>().pCell;
return forward_event();
};
sc::result react( const EvDiscardInD & )
{
outermost_context().Visited( *this );
return forward_event();
}
sc::result CellStateChart_CellCycle_Meiosis::react( const EvCellStateChart_CellCycleUpdate & ){
CellPtr myCell=context<CellStatechart>().pCell;
UpdateRadius(myCell);
return forward_event();
};
sc::result StReplan::react(const EvProcess&) {
if (detectedErrornousTransitions()) return transit<StGlobalRecover> ();
return forward_event();
}