void BFCPFloorControlServer::ProcessFloorRequest(BFCPMsgFloorRequest *req, BFCPUser* user)
{
// Check that floorId value(s) in the request exist.
int num_floors = req->CountFloorIds();
for (int i=0; i < num_floors; i++) {
int floorId = req->GetFloorId(i);
if (! HasFloor(floorId)) {
::Error("BFCPFloorControlServer::ProcessFloorRequest() | requesting non existing floor '%d'\n", floorId);
ReplyError(req, BFCPAttrErrorCode::InvalidFloorId, L"requested floor does not exist");
return;
}
}
// Check that the beneficiaryId (if present) is a valid user.
if (req->HasBeneficiaryId()) {
if (! HasUser(req->GetBeneficiaryId())) {
::Error("BFCPFloorControlServer::ProcessFloorRequest() | beneficiary '%d' does not exist\n", req->GetBeneficiaryId());
ReplyError(req, BFCPAttrErrorCode::UserDoesNotExist, L"beneficiary does not exist");
return;
}
}
// Set an unique floorRequestId.
int floorRequestId = this->floorRequestCounter++;
// Create a BFCPFloorRequest.
BFCPFloorRequest* floorRequest = new BFCPFloorRequest(floorRequestId, req->GetUserId(), this->conferenceId);
if (req->HasBeneficiaryId())
floorRequest->SetBeneficiaryId(req->GetBeneficiaryId());
for (int i=0; i < req->CountFloorIds(); i++)
floorRequest->AddFloorId(req->GetFloorId(i));
// Add to the floorRequests map.
this->floorRequests[floorRequestId] = floorRequest;
::Log("BFCPFloorControlServer::ProcessFloorRequest() | FloorRequest '%d' added to conference '%d'\n", floorRequestId, this->conferenceId);
// Build a "Pending" FloorRequestStatus response.
BFCPMsgFloorRequestStatus *floorRequestStatus = floorRequest->CreateFloorRequestStatus(req->GetTransactionId());
// Send it.
SendMessage(floorRequestStatus);
// Delete it.
delete floorRequestStatus;
// If the FloorRequest comes from the chair automatically grant it.
if (user->IsChair()) {
::Log("BFCPFloorControlServer::ProcessFloorRequest() | the FloorRequest sender is a chair, request authorized\n");
GrantFloorRequest(floorRequestId);
}
// Otherwise notify the chair.
else {
::Log("BFCPFloorControlServer::ProcessFloorRequest() | the FloorRequest sender is not a chair, let's ask the chair\n");
::Debug("BFCPFloorControlServer::ProcessFloorRequest() | calling listener->onFloorRequest(%d)\n", floorRequestId);
this->listener->onFloorRequest(floorRequestId, floorRequest->GetUserId(), floorRequest->GetBeneficiaryId(), floorRequest->GetFloorIds());
::Debug("BFCPFloorControlServer::ProcessFloorRequest() | listener->onFloorRequest(%d) returns\n", floorRequestId);
}
}
/**
* Checks if the middle of each floor is reachable from the elevator.
* @param lowestFloorOfElevator pointer of the lowest floor which has an interface to the elevator
* @param highestFloorOfElevator pointer of the highest floor which has an interface to the elevator
* @return pointer of the floor which is unreachable, otherwise returns null pointer
*/
Floor* Elevator::CanReachFloor(Floor *lowestFloorOfElevator, Floor *highestFloorOfElevator) {
bool currentFloorIsHighestFloor = true;
// pointer to the current floor, which will be checked
Floor *currentFloor = lowestFloorOfElevator;
// determines the half of the height of the current floor
double halfHeightOfCurrentFloor = currentFloor->GetHeight() / 2.0;
// height counter is used to check if an elevator can reach a floor
double heightCounter = halfHeightOfCurrentFloor;
// take the next floor above
currentFloor = currentFloor->GetAbove();
while (currentFloorIsHighestFloor) {
// determines the half of the height of the current floor
halfHeightOfCurrentFloor = currentFloor->GetHeight() / 2.0;
if (!HasFloor(currentFloor)) {
heightCounter += currentFloor->GetHeight();
} else {
heightCounter += halfHeightOfCurrentFloor;
double value = fmod(heightCounter, speed_);
heightCounter += halfHeightOfCurrentFloor;
// checks the determined value if it is unequal zero
if (value != 0) {
return currentFloor;
}
}
// checks if the current floor is the highest floor
if (currentFloor == highestFloorOfElevator) {
currentFloorIsHighestFloor = false;
} else {
currentFloor = currentFloor->GetAbove();
}
}
return nullptr;
}
int BFCPFloorControlServer::GetGrantedFloorRequestId(int floorId)
{
if (this->ending) { return 0; }
if (! HasFloor(floorId)) {
::Error("BFCPFloorControlServer::GetGrantedFloorRequestId() | floor '%d' does not exist\n", floorId);
return 0;
}
// Get all the ongoing FloorRequest including the given floor.
std::vector<BFCPFloorRequest*> floorRequests = GetFloorRequestsForFloor(floorId);
// Choose the first one that is Granted (can only be one).
int num_floor_requests = floorRequests.size();
for (int i=0; i<num_floor_requests; i++) {
if (floorRequests[i]->IsGranted()) {
return floorRequests[i]->GetFloorRequestId();
}
}
return 0;
}
void Elevator::Validate() {
Entity::Validate();
if (speed_ <= 0) {
std::ostringstream oss("Speed of ", std::ostringstream::ate);
oss << GetName() << " must be positive.";
throw TestfileException(oss.str());
}
if (load_ < 10) {
std::ostringstream oss("Maximum load of ", std::ostringstream::ate);
oss << GetName() << " must be greater or equal to 10.";
throw TestfileException(oss.str());
}
if (!current_) {
std::ostringstream oss("Starting floor of ", std::ostringstream::ate);
oss << GetName() << " is null.";
throw TestfileException(oss.str());
}
if (current_->GetType() != "Floor") {
std::ostringstream oss("Starting floor of ", std::ostringstream::ate);
oss << GetName() << " does not reference a floor object.";
throw TestfileException(oss.str());
}
if (count_ < 2) {
std::ostringstream oss("", std::ostringstream::ate);
oss << GetName() << " must have at least 2 interfaces.";
throw TestfileException(oss.str());
}
std::set<Interface*> unique;
Floor *lowest = nullptr;
Floor *highest = nullptr;
for (int i = 0; i < count_; ++i) {
Interface *interf = interfs_[i];
if (!interf) {
std::ostringstream oss("An interface of ", std::ostringstream::ate);
oss << GetName() << " is null.";
throw TestfileException(oss.str());
}
if (unique.count(interf)) {
std::ostringstream oss("Interfaces used by ", std::ostringstream::ate);
oss << GetName() << " are not unique.";
throw TestfileException(oss.str());
}
unique.insert(interf);
if (interf->GetType() != "Interface") {
std::ostringstream oss("Interface ", std::ostringstream::ate);
oss << interf->GetId() << " of ";
oss << GetName() << " is not an interface object.";
throw TestfileException(oss.str());
}
if (interf->GetLoadableCount() != 1) {
std::ostringstream oss("", std::ostringstream::ate);
oss << interf->GetName() << " of ";
oss << GetName() << " must reference exactly one object.";
throw TestfileException(oss.str());
}
Loadable *loadable = interf->GetLoadable(0);
if (!loadable) {
std::ostringstream oss("Referenced object of ", std::ostringstream::ate);
oss << interf->GetName() << " of ";
oss << GetName() << " is null.";
throw TestfileException(oss.str());
}
if (loadable->GetType() != "Floor") {
std::ostringstream oss("Referenced object of ", std::ostringstream::ate);
oss << interf->GetName() << " of ";
oss << GetName() << " must be an floor object.";
throw TestfileException(oss.str());
}
Floor *floor = static_cast<Floor*>(loadable);
if (!floor->HasElevator(this)) {
std::ostringstream oss("Floor ", std::ostringstream::ate);
oss << floor->GetId() << " referenced by ";
oss << interf->GetName() << " of ";
oss << GetName() << " does not point back to the elevator.";
throw TestfileException(oss.str());
}
if (!lowest)
lowest = floor;
else if (lowest->IsBelow(floor)) {
lowest = floor;
}
if (!highest)
highest = floor;
else if (highest->IsAbove(floor)) {
highest = floor;
}
}
if (highest->IsAbove(current_) || lowest->IsBelow(current_)) {
std::ostringstream oss("Starting floor of ", std::ostringstream::ate);
oss << GetName() << " is not between Floor " << lowest->GetId() << " and Floor " << highest->GetId() << ".";
throw TestfileException(oss.str());
}
// validate if the elevator can start in the starting floor
if (!HasFloor(this->current_)) {
std::ostringstream oss("Elevator ", std::ostringstream::ate);
oss << GetId() << " can not start in Floor " << current_->GetId() << " because the Floor has no interface to this Elevator.";
throw TestfileException(oss.str());
}
Floor* floorTmp = CanReachFloor(lowest, highest);
if (floorTmp) {
std::ostringstream oss("Elevator ", std::ostringstream::ate);
oss << GetId() << " can not reach center of Floor " << floorTmp->GetId() << ".";
throw TestfileException(oss.str());
}
}
void BFCPFloorControlServer::ProcessFloorQuery(BFCPMsgFloorQuery *req, BFCPUser* user)
{
// Check that floorId value(s) in the request exist.
int num_floors = req->CountFloorIds();
for (int i=0; i < num_floors; i++) {
int floorId = req->GetFloorId(i);
if (! HasFloor(floorId)) {
::Error("BFCPFloorControlServer::ProcessFloorQuery() | requesting non existing floor '%d'\n", floorId);
ReplyError(req, BFCPAttrErrorCode::InvalidFloorId, L"requested floor does not exist");
return;
}
}
// Reset the list of floors this user is subscribed to.
user->ResetQueriedFloorIds();
// And insert the Floors included in the new FloorQuery.
for (int i=0; i<num_floors; i++)
user->AddQueriedFloorId(req->GetFloorId(i));
::Debug("BFCPFloorControlServer::ProcessFloorQuery() | user '%d' information updated:\n", user->GetUserId());
user->Dump();
int num_queried_floors = user->CountQueriedFloorIds();
// If the user has no queried floors then reply an empty FloorStatus and exit.
if (num_queried_floors == 0) {
::Debug("BFCPFloorControlServer::ProcessFloorQuery() | no queried floors, replying empty FloorStatus\n");
BFCPMsgFloorStatus* floorStatus = new BFCPMsgFloorStatus(req->GetTransactionId(), this->GetConferenceId(), req->GetUserId());
SendMessage(floorStatus);
delete floorStatus;
return;
}
// Otherwise, get the queried floors from the user (no duplicated floorIds there) and
// generate a FloorStatus response for one of them and FloorStatus notifications for
// the others.
for (int i=0; i<num_queried_floors; i++) {
BFCPMsgFloorStatus* floorStatus;
int floorId = user->GetQueriedFloorId(i);
// First FloorStatus will be a response to the FloorQuery.
if (i == 0)
floorStatus = new BFCPMsgFloorStatus(req->GetTransactionId(), this->GetConferenceId(), req->GetUserId());
// Other FloorStatus are notifications.
else
floorStatus = new BFCPMsgFloorStatus(0, this->GetConferenceId(), req->GetUserId());
// Set the floorId.
floorStatus->SetFloorId(floorId);
// Get all the ongoing FloorRequest that include this floor.
std::vector<BFCPFloorRequest*> floorRequests = GetFloorRequestsForFloor(floorId);
::Debug("BFCPFloorControlServer::ProcessFloorQuery() | found %d ongoing FloorRequests related to floor '%d'\n", floorRequests.size(), floorId);
// Generate a FloorRequestInformation attribute from each FloorRequest and append
// it to the FloorStatus message.
for (int j=0; j<floorRequests.size(); j++) {
BFCPAttrFloorRequestInformation* floorRequestInformation = floorRequests[j]->CreateFloorRequestInformation();
floorStatus->AddFloorRequestInformation(floorRequestInformation);
}
// Send the response o notification to the user who sent the FloorQuery.
SendMessage(floorStatus);
delete floorStatus;
}
}
