bool CmdLineHandler::toBeLeader()
{
USES_CONVERSION;
bool ret = true;
//create share memory
sharedMemHandle_ = CreateFileMapping(INVALID_HANDLE_VALUE,
NULL,
PAGE_READWRITE,
0,
SHARED_MEM_SIZE,
A2W(userShareMemName_));
if (NULL == sharedMemHandle_)
{
fatalbox("%s", "can't get shared memory handle!");
exit(-1);
}
sharedType_ = (GetLastError() == ERROR_ALREADY_EXISTS) ? SHARED_TYPE_FOLLOWER : SHARED_TYPE_LEADER;
sharedBuffer_ = (char* ) MapViewOfFile(sharedMemHandle_, // handle to map object
FILE_MAP_ALL_ACCESS, // read/write permission
0,
0,
SHARED_MEM_SIZE);
if (NULL == sharedBuffer_){
fatalbox("%s", "can't get shared memory!");
CloseHandle(sharedMemHandle_);
exit(-1);
}
if (isLeader()){
memset(sharedBuffer_, 0, SHARED_MEM_SIZE);
}
return isLeader();
}
void
GUIVehicle::selectBlockingFoes() const {
double dist = myLane->getLength() - getPositionOnLane();
#ifdef DEBUG_FOES
std::cout << SIMTIME << " selectBlockingFoes veh=" << getID() << " dist=" << dist << " numLinks=" << myLFLinkLanes.size() << "\n";
#endif
for (DriveItemVector::const_iterator i = myLFLinkLanes.begin(); i != myLFLinkLanes.end(); ++i) {
const DriveProcessItem& dpi = *i;
if (dpi.myLink == nullptr) {
/// XXX if the vehicle intends to stop on an intersection, there could be a relevant exitLink (see #4299)
continue;
}
std::vector<const SUMOVehicle*> blockingFoes;
std::vector<const MSPerson*> blockingPersons;
#ifdef DEBUG_FOES
std::cout << " foeLink=" << dpi.myLink->getViaLaneOrLane()->getID() << "\n";
const bool isOpen =
#endif
dpi.myLink->opened(dpi.myArrivalTime, dpi.myArrivalSpeed, dpi.getLeaveSpeed(), getVehicleType().getLength(),
getImpatience(), getCarFollowModel().getMaxDecel(), getWaitingTime(), getLateralPositionOnLane(), &blockingFoes);
#ifdef DEBUG_FOES
if (!isOpen) {
std::cout << " closed due to:\n";
for (std::vector<const SUMOVehicle*>::const_iterator it = blockingFoes.begin(); it != blockingFoes.end(); ++it) {
std::cout << " " << (*it)->getID() << "\n";
}
}
#endif
if (getLaneChangeModel().getShadowLane() != nullptr) {
MSLink* parallelLink = dpi.myLink->getParallelLink(getLaneChangeModel().getShadowDirection());
if (parallelLink != nullptr) {
const double shadowLatPos = getLateralPositionOnLane() - getLaneChangeModel().getShadowDirection() * 0.5 * (
myLane->getWidth() + getLaneChangeModel().getShadowLane()->getWidth());
#ifdef DEBUG_FOES
const bool isShadowOpen =
#endif
parallelLink->opened(dpi.myArrivalTime, dpi.myArrivalSpeed, dpi.getLeaveSpeed(),
getVehicleType().getLength(), getImpatience(),
getCarFollowModel().getMaxDecel(),
getWaitingTime(), shadowLatPos, &blockingFoes);
#ifdef DEBUG_FOES
if (!isShadowOpen) {
std::cout << " foes at shadow link=" << parallelLink->getViaLaneOrLane()->getID() << ":\n";
for (std::vector<const SUMOVehicle*>::const_iterator it = blockingFoes.begin(); it != blockingFoes.end(); ++it) {
std::cout << " " << (*it)->getID() << "\n";
}
}
#endif
}
}
for (std::vector<const SUMOVehicle*>::const_iterator it = blockingFoes.begin(); it != blockingFoes.end(); ++it) {
gSelected.select(static_cast<const GUIVehicle*>(*it)->getGlID());
}
#ifdef DEBUG_FOES
gDebugFlag1 = true;
#endif
const MSLink::LinkLeaders linkLeaders = (dpi.myLink)->getLeaderInfo(this, dist, &blockingPersons);
#ifdef DEBUG_FOES
gDebugFlag1 = false;
#endif
for (MSLink::LinkLeaders::const_iterator it = linkLeaders.begin(); it != linkLeaders.end(); ++it) {
// the vehicle to enter the junction first has priority
const GUIVehicle* leader = dynamic_cast<const GUIVehicle*>(it->vehAndGap.first);
if (leader != nullptr) {
if (isLeader(dpi.myLink, leader)) {
gSelected.select(leader->getGlID());
#ifdef DEBUG_FOES
std::cout << " linkLeader=" << leader->getID() << "\n";
#endif
}
} else {
for (std::vector<const MSPerson*>::iterator it_p = blockingPersons.begin(); it_p != blockingPersons.end(); ++it_p) {
const GUIPerson* foe = dynamic_cast<const GUIPerson*>(*it_p);
if (foe != nullptr) {
gSelected.select(foe->getGlID());
//std::cout << SIMTIME << " veh=" << getID() << " is blocked on link " << dpi.myLink->getRespondIndex() << " to " << dpi.myLink->getViaLaneOrLane()->getID() << " by pedestrian. dist=" << it->second << "\n";
}
}
}
}
dist += dpi.myLink->getViaLaneOrLane()->getLength();
}
}
