def set_long_term_scheduler(self):
self.long_term_scheduler = LongTermScheduler(self.scheduler, self.memory_manager)
class Kernel:
def __init__(self, cpu, clock=Clock, memory_manager=MemoryManager(), hdd=None, scheduler=Scheduler(), pcb_table=PCBTable()):
self.mode = UserMode(self)
self.pid = 0
self.hdd = hdd
self.scheduler = scheduler
self.scheduler_policy = None
self.loader = Loader(self)
self.interruption_handler = None
self.memory_manager = memory_manager
self.fileSystem = self.hdd.generate_file_system()
self.cpu = cpu
self.long_term_scheduler = None
self._creatorPCB = PCBCreator()
self.waiting_queue = []
self.pcb_table = pcb_table
self.clock = clock
def set_loader(self,loader):
self.loader = loader
def set_long_term_scheduler(self):
self.long_term_scheduler = LongTermScheduler(self.scheduler, self.memory_manager)
def genetate_file_system(self):
self.fileSystem = self.hdd.generate_file_system()
def set_hdd(self,hdd):
self.hdd = hdd
self.memory_manager._hdd = hdd
def get_hdd(self):
return self.hdd
def set_interruption_handler(self, interruption_manager):
self.interruption_handler = interruption_manager
def set_memory_manager(self, memory_admin):
self.memory_manager = memory_admin
def set_pcb_table(self, table):
self.pcb_table = table
def get_interruption_handler(self):
return self.interruption_handler
def memory_manager(self):
return self.memory_manager
def scheduler(self):
return self.scheduler
def set_scheduler(self, scheduler):
self.scheduler = scheduler
def set_scheduler_policy(self, policy):
self.scheduler_policy = policy
def set_default_kernel_mode(self):
self.to_user_mode()
def to_kernel_mode(self):
self.mode = KernelMode(self)
def to_user_mode(self):
self.mode = UserMode(self)
@property
def get_pid(self):
return self.pid
@property
def get_ready_queue(self):
return self.scheduler.ready_queue
def generate_page_holder(self):
return PageHolder()
'''
def load_process(self,program_name):
# traer programa de disco ...
program = Program(program_name)
self.loader.load(self.memory_manager,program,self.hdd)
def execute_itself(self, program_name):
print("Running " + program_name + "...")
program = Program(program_name)
pageHolder = PageHolder()
self.create_pcb(program,pageHolder)
self.cpu.run()
def run(self,program_name):
print("Running " + program_name + "...")
program = self._fileSystem.get_program(program_name)
instructions = self.obtain_instructions(program)
pcb = self._creatorPCB.create_pcb(len(instructions), program, self.memory_admin.get_policy().get_info_holder(program))
self.long_term_scheduler.set_short_term_scheduler(self.scheduler)
self.long_term_scheduler.add_pcb(pcb)
self.load_process(program_name)
#self.execute_itself(program_name)
print("Finish running " + program_name)
'''
def run(self,program_name):
print("Running " + program_name + "...")
program_file = self.fileSystem.get_program(program_name)
instructions = self.obtain_instructions(program_file)
pcb = self._creatorPCB.create_pcb(len(instructions), self.memory_manager.get_policy().get_info_holder(program_file))
self.long_term_scheduler.initiate_process(pcb)
def obtain_instructions(self,program_file):
return [item for sublist in self.list_of_blocks(program_file)
for item in sublist]
def list_of_blocks(self,program_file):
return list(map(lambda diskBlock: diskBlock.get_instructions(), program_file.fetch_blocks()))
# Signal should make process execution changed
def send_signal(self, signal, pcb):
self.to_kernel_mode()
self.mode.manage_interruption_from(signal,pcb)
self.to_user_mode()