def run(self, task, arg):
self.cleanup(task)
self.game.now = time.time()
end_task = (False, None)
try:
#log('sending %s' % repr(arg))
cmd = task.generator.send(arg)
except StopIteration as e:
task.value = e.value
task.done = True
end_task = (True, e.value)
#log('cmd = %s' % repr(cmd))
if end_task[0] or cmd is None:
for t in task.waiters:
websocketd.add_idle(lambda: self.run(t, end_task[1]))
self.tasks.remove(task)
if len(self.tasks) == 0:
self.end_game(end_task[1])
return
# Convert cmd to dict if it isn't.
if not isinstance(cmd, (tuple, list, set, frozenset, dict)):
cmd = (cmd,)
if isinstance(cmd, (tuple, list, set, frozenset)):
def mkcmd(src):
for c in src:
if isinstance(c, (Task, str)):
yield (c, None)
else:
yield (None, c)
cmd = {x: y for x, y in mkcmd(cmd)}
#log('new cmd: %s' % repr(cmd))
# Check if we're waiting for a task that is already finished.
for c in cmd:
if isinstance(c, Task) and c.done:
websocketd.add_idle(lambda: self.run(task, c.value))
return
# Schedule new timeout.
if None in cmd:
self.timeouts[task] = websocketd.add_timeout(cmd.pop(None), lambda: self.timeouts.pop(task) and self.run(task, None))
# Add waiters to tasks.
for c in cmd:
if not isinstance(c, Task):
continue
c.waiters.append(task)
# Add new commands.
for c in cmd:
if isinstance(c, Task):
continue
if c in self.cmds:
assert task not in self.cmds[c]
else:
self.cmds[c] = {}
self.cmds[c][task] = cmd[c]
def call(self, name, args, kargs, cb): # {{{
#log('calling {}'.format(repr((name, args, kargs))))
data = json.dumps([self.next_mid, name, args, kargs]) + '\n'
#log('calling %s on %d' % (repr(data), self.process.stdin.fileno()))
try:
self.process.stdin.write(data.encode('utf-8'))
self.process.stdin.flush()
except:
log('killing machine handle because of error')
#traceback.print_exc()
def kill():
cb(False, None)
disable(self.uuid, 'error from machine')
# Schedule this as a callback, so the generator isn't called recursively.
websocketd.add_idle(kill)
return
self.waiters[0][self.next_mid] = cb
self.next_mid += 1
def call(self, name, args, kargs, cb): # {{{
#log('calling {}'.format(repr((name, args, kargs))))
data = json.dumps([self.next_mid, name, args, kargs]) + '\n'
#log('calling %s on %d' % (repr(data), self.process.stdin.fileno()))
try:
self.process.stdin.write(data.encode('utf-8'))
self.process.stdin.flush()
except:
log('killing machine handle because of error')
#traceback.print_exc()
def kill():
cb(False, None)
disable(self.uuid, 'error from machine')
# Schedule this as a callback, so the generator isn't called recursively.
websocketd.add_idle(kill)
return
#def debug_cb(success, ret):
# log('call {} returned: {}: {}'.format(name, success, ret))
# cb(success, ret)
self.waiters[0][self.next_mid] = cb
self.next_mid += 1
def call(instance, func, args, task): if func is not None: websocketd.add_idle(lambda: func(args) and False) if task is not None: instance.cleanup(task); websocketd.add_idle(lambda: instance.run(task, args))
def launch(self, f, name = 'nameless task'): '''Record a generator as a task and schedule it for idle running.''' t = Task(f, name) self.tasks.append(t) websocketd.add_idle(lambda: self.run(t, None)) return t
