if not parent:
continue
child = 'P' + str(next_proc)
next_proc += 1
sys.stdout.write('SPAWN ' + child + ' ' + parent + '\n')
ref.spawn(child, parent)
elif line == 'KILL':
procs = ref.get_all_procs()
procs.remove('INIT')
victim = random_choice(line, procs)
if not victim:
continue
sys.stdout.write('KILL ' + victim + '\n')
ref.kill(victim)
elif line == 'REGISTER':
root_pid = 'P' + str(next_proc - 1)
sys.stdout.write('REGISTER ' + root_pid + '\n')
ref.register(root_pid, 0)
elif line == 'UNREGISTER':
families = ref.get_all_families()
families.remove('INIT')
root_pid = random_choice(line, families)
if not root_pid:
continue
sys.stdout.write('UNREGISTER ' + root_pid + '\n')
ref.unregister(root_pid)
elif line == 'SNAPSHOT':
sys.stdout.write('SNAPSHOT\n')
else:
raise Exception('invalid command: ' + line)
if not parent:
continue
child = 'P' + str(next_proc)
next_proc += 1
sys.stdout.write('SPAWN ' + child + ' ' + parent + '\n')
ref.spawn(child, parent)
elif line == 'KILL':
procs = ref.get_all_procs()
procs.remove('INIT')
victim = random_choice(line, procs)
if not victim:
continue
sys.stdout.write('KILL ' + victim + '\n')
ref.kill(victim)
elif line == 'REGISTER':
root_pid = 'P' + str(next_proc - 1)
sys.stdout.write('REGISTER ' + root_pid + '\n')
ref.register(root_pid, 0)
elif line == 'UNREGISTER':
families = ref.get_all_families()
families.remove('INIT')
root_pid = random_choice(line, families)
if not root_pid:
continue
sys.stdout.write('UNREGISTER ' + root_pid + '\n')
ref.unregister(root_pid)
elif line == 'SNAPSHOT':
sys.stdout.write('SNAPSHOT\n')
else:
raise Exception('invalid command: ' + line)
