class OperatingSystem(object):
def __init__(self):
malloc_strategy = PaginationStrategy(the_memory, 4)
self.kernel = Kernel(malloc_strategy, SchedulerFifo, False, 2)
self.__boot()
def __boot(self):
self.kernel.set_cpu(the_cpu)
self.kernel.set_memory(the_memory )
self.kernel.set_hard_drive(the_disk)
self.kernel.boot()
self.__load_default_programs()
self.kernel.login()
def __load_default_programs(self):
self.install_program(fifa)
self.install_program(pes)
self.install_program(starcraft)
self.install_program(fireFox)
self.install_program(office)
self.install_program(vnc)
self.install_program(tomboy)
def get_kernel(self):
return self.kernel
def instance_shell(self):
self.shell = Shell()
self.shell.set_kernel(self.get_kernel())
def get_shell(self):
return self.shell
def install_program(self, program):
self.get_kernel().install_program(program.get_name(), program)
def instance_shell(self):
self.shell = Shell()
self.shell.set_kernel(self.get_kernel())
