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LO41/Elevator/Elevator.c

108 lines
3.2 KiB
C

//
// Created by Antoine Bartuccio on 05/06/2018.
//
#include <string.h>
#include "Elevator.h"
#include "../SharedData/SharedData.h"
SYNCHRONIZED_GETTER(Elevator, ELEVATOR_STATE, state)
SYNCHRONIZED_SETTER(Elevator, ELEVATOR_STATE, state)
SYNCHRONIZED_GETTER(Elevator, int, floor)
SYNCHRONIZED_SETTER(Elevator, int, floor)
void _free__Elevator(THIS(Elevator)){
DELETE(this->passengers);
if (this->name != NULL)
free(this->name);
pthread_mutex_unlock(&this->mutex_passenger);
pthread_mutex_destroy(&this->mutex_passenger);
pthread_mutex_unlock(&this->mutex_state);
pthread_mutex_destroy(&this->mutex_state);
pthread_mutex_unlock(&this->mutex_floor);
pthread_mutex_destroy(&this->mutex_floor);
free(this);
}
void add_passenger_Elevator(THIS(Elevator), Passenger passenger){
pthread_mutex_lock(&this->mutex_passenger);
this->passengers->insert_tail(this->passengers, ((void *)&passenger), sizeof(Passenger));
printf("L'ascenseur %s recoit le visiteur %s\nIl y a maintenant %d passagers dans l'ascenseur %s\n", this->name,
passenger.type == VISITOR ? passenger.visitor->get_name(passenger.visitor) : passenger.resident->get_name(passenger.resident),
this->passengers->get_size(this->passengers), this->name);
if (this->passengers->get_size(this->passengers) >= MAX_ELEVATOR_CAPACITY)
this->set_state(this, SLEEPING);
pthread_mutex_unlock(&this->mutex_passenger);
}
int get_number_of_passengers_Elevator(THIS(Elevator)){
int num;
pthread_mutex_lock(&this->mutex_passenger);
num = this->passengers->get_size(this->passengers);
pthread_mutex_unlock(&this->mutex_passenger);
return num;
}
int can_get_inside_Elevator(THIS(Elevator), int floor){
int permission;
pthread_mutex_lock(&this->mutex_passenger);
pthread_mutex_lock(&this->mutex_state);
pthread_mutex_lock(&this->mutex_floor);
permission = (this->passengers->get_size(this->passengers) < MAX_ELEVATOR_CAPACITY &&
this->state == WAITING && this->floor == floor);
pthread_mutex_unlock(&this->mutex_floor);
pthread_mutex_unlock(&this->mutex_state);
pthread_mutex_unlock(&this->mutex_passenger);
return permission;
}
void repair_Elevator(THIS(Elevator)){
this->set_state(this, RUNNING);
}
void *runnable_Elevator(void * void_this){
/* This is where the thread logic will be implemented */
Elevator * this = (Elevator*) void_this;
SharedData * data = GET_INSTANCE(SharedData);
AGENT_OPTIONS
printf("Je suis l'ascenseur %s\n", this->name);
for (;;)
data->main_building->signal_elevator_at_floor(data->main_building, this->get_floor(this));
return NULL;
}
Elevator *_init_Elevator(char * name){
Elevator * new_elevator = malloc_or_die(sizeof(Elevator));
new_elevator->name = strdup(name);
new_elevator->passengers = NEW(List);
pthread_mutex_init(&new_elevator->mutex_passenger, NULL);
pthread_mutex_init(&new_elevator->mutex_state, NULL);
pthread_mutex_init(&new_elevator->mutex_floor, NULL);
LINK_ALL(Elevator, new_elevator,
runnable,
get_number_of_passengers,
can_get_inside,
add_passenger,
get_state,
set_state,
get_floor,
set_floor,
repair
);
new_elevator->set_floor(new_elevator, 0);
new_elevator->set_state(new_elevator, WAITING);
return new_elevator;
}