mirror of
https://gitlab.com/klmp200/LO41.git
synced 2024-11-15 21:33:22 +00:00
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
//
|
|
// Created by Antoine Bartuccio on 06/06/2018.
|
|
//
|
|
|
|
#include "SharedData.h"
|
|
|
|
GETTER(SharedData, Building *, main_building)
|
|
SETTER(SharedData, Building *, main_building)
|
|
|
|
int call_elevator_SharedData(THIS(SharedData), int starting_floor, int destination_floor){
|
|
/* Make the thread wait for an elevator available and return the id of the elevator available */
|
|
if (this->main_building == NULL) {
|
|
CRASH("No building attached to shared data, you cannot call an elevator\n");
|
|
}
|
|
if (starting_floor < 0) {
|
|
CRASH("You cannot start from a floor lower than 0\n");
|
|
}
|
|
if (destination_floor > FLOORS) {
|
|
CRASH("You are trying to reach a floor higher than the highest floor\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
void start_thread_SharedData(THIS(SharedData), void * (*thread)(void *), void * data, int thread_number){
|
|
pthread_create(&this->threads[thread_number], 0, thread, data);
|
|
}
|
|
|
|
void start_all_threads_SharedData(THIS(SharedData)){
|
|
int i = 0;
|
|
Element * current = NULL;
|
|
List * residents = NULL;
|
|
List * visitors = NULL;
|
|
|
|
if (this->threads == NULL){
|
|
if (this->main_building == NULL) {
|
|
CRASH("No building attached to SharedData and thus no thread can be created\n");
|
|
}
|
|
else {
|
|
residents = this->main_building->residents;
|
|
visitors = this->main_building->visitors;
|
|
this->threads_nb = residents->get_size(residents) + visitors->get_size(visitors) + ELEVATOR_NB;
|
|
this->threads = malloc_or_die(sizeof(pthread_t) * this->threads_nb);
|
|
|
|
/* starts threading elevators */
|
|
for (i=0; i<ELEVATOR_NB; i++)
|
|
this->start_thread(this, this->main_building->elevators[i]->runnable,
|
|
this->main_building->elevators[i], i);
|
|
|
|
/* starts threading visitors */
|
|
current = visitors->get_head(visitors);
|
|
while (current != NULL){
|
|
this->start_thread(this, ((Visitor*)current->get_data(current))->runnable, current->get_data(current), i);
|
|
current = current->get_next(current);
|
|
i++;
|
|
}
|
|
|
|
/* starts threading residents */
|
|
current = residents->get_head(residents);
|
|
while (current != NULL){
|
|
this->start_thread(this, ((Resident*)current->get_data(current))->runnable, current->get_data(current), i);
|
|
current = current->get_next(current);
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void wait_all_threads_SharedData(THIS(SharedData)){
|
|
int i;
|
|
for (i=0; i<this->threads_nb; i++)
|
|
pthread_join(this->threads[i], NULL);
|
|
}
|
|
|
|
int use_call_box_SharedData(THIS(SharedData), char * resident_name){
|
|
return this->main_building->use_call_box(this->main_building, resident_name);
|
|
}
|
|
|
|
void _free__SharedData(THIS(SharedData)){
|
|
int i;
|
|
if (this->threads != NULL){
|
|
for (i=0; i<this->threads_nb; i++) {
|
|
printf("Quitting thread %d\n", (int) this->threads[i]);
|
|
pthread_kill(this->threads[i], SIGUSR1);
|
|
}
|
|
free(this->threads);
|
|
}
|
|
if (this->main_building != NULL)
|
|
DELETE(this->main_building);
|
|
|
|
free(this);
|
|
}
|
|
|
|
SharedData *_get_instance_SharedData(){
|
|
static SharedData * new_shared_data = NULL;
|
|
if (new_shared_data == NULL){
|
|
new_shared_data = malloc_or_die(sizeof(SharedData));
|
|
|
|
new_shared_data->threads = NULL;
|
|
new_shared_data->main_building = NULL; /* Should be set to NULL if freed before */
|
|
new_shared_data->threads_nb = 0;
|
|
|
|
LINK_ALL(SharedData, new_shared_data,
|
|
start_thread,
|
|
start_all_threads,
|
|
wait_all_threads,
|
|
set_main_building,
|
|
get_main_building,
|
|
use_call_box,
|
|
call_elevator
|
|
);
|
|
}
|
|
return new_shared_data;
|
|
}
|