kopia lustrzana https://github.com/micropython/micropython-lib
uasyncio: Split into "core" and "extended" modules.
Paul Sokolovsky
rodzic
a295825300
commit
b2130c84ce
|
|
@ -1,106 +1,12 @@
|
||||||
import __main__
|
|
||||||
import time
|
import time
|
||||||
import heapq
|
import heapq
|
||||||
import errno
|
import errno
|
||||||
import logging
|
import logging
|
||||||
|
from uasyncio.core import *
|
||||||
|
|
||||||
|
|
||||||
log = logging.getLogger("asyncio")
|
log = logging.getLogger("asyncio")
|
||||||
|
|
||||||
type_gen = type((lambda: (yield))())
|
|
||||||
|
|
||||||
class EventLoop:
|
|
||||||
|
|
||||||
def __init__(self):
|
|
||||||
self.q = []
|
|
||||||
self.cnt = 0
|
|
||||||
|
|
||||||
def time(self):
|
|
||||||
return time.time()
|
|
||||||
|
|
||||||
def call_soon(self, callback, *args):
|
|
||||||
self.call_at(0, callback, *args)
|
|
||||||
|
|
||||||
def call_later(self, delay, callback, *args):
|
|
||||||
self.call_at(self.time() + delay, callback, *args)
|
|
||||||
|
|
||||||
def call_at(self, time, callback, *args):
|
|
||||||
# Including self.cnt is a workaround per heapq docs
|
|
||||||
log.debug("Scheduling %s", (time, self.cnt, callback, args))
|
|
||||||
heapq.heappush(self.q, (time, self.cnt, callback, args))
|
|
||||||
# print(self.q)
|
|
||||||
self.cnt += 1
|
|
||||||
|
|
||||||
def wait(self, delay):
|
|
||||||
# Default wait implementation, to be overriden in subclasses
|
|
||||||
# with IO scheduling
|
|
||||||
log.debug("Sleeping for: %s", delay)
|
|
||||||
time.sleep(delay)
|
|
||||||
|
|
||||||
def run_forever(self):
|
|
||||||
while True:
|
|
||||||
if self.q:
|
|
||||||
t, cnt, cb, args = heapq.heappop(self.q)
|
|
||||||
log.debug("Next coroutine to run: %s", (t, cnt, cb, args))
|
|
||||||
# __main__.mem_info()
|
|
||||||
tnow = self.time()
|
|
||||||
delay = t - tnow
|
|
||||||
if delay > 0:
|
|
||||||
self.wait(delay)
|
|
||||||
else:
|
|
||||||
self.wait(-1)
|
|
||||||
# Assuming IO completion scheduled some tasks
|
|
||||||
continue
|
|
||||||
if callable(cb):
|
|
||||||
cb(*args)
|
|
||||||
else:
|
|
||||||
delay = 0
|
|
||||||
try:
|
|
||||||
if args == ():
|
|
||||||
args = (None,)
|
|
||||||
log.debug("Coroutine %s send args: %s", cb, args)
|
|
||||||
ret = cb.send(*args)
|
|
||||||
log.debug("Coroutine %s yield result: %s", cb, ret)
|
|
||||||
if isinstance(ret, SysCall):
|
|
||||||
arg = ret.args[0]
|
|
||||||
if isinstance(ret, Sleep):
|
|
||||||
delay = arg
|
|
||||||
elif isinstance(ret, IORead):
|
|
||||||
# self.add_reader(ret.obj.fileno(), lambda self, c, f: self.call_soon(c, f), self, cb, ret.obj)
|
|
||||||
# self.add_reader(ret.obj.fileno(), lambda c, f: self.call_soon(c, f), cb, ret.obj)
|
|
||||||
self.add_reader(arg.fileno(), lambda cb, f: self.call_soon(cb, f), cb, arg)
|
|
||||||
continue
|
|
||||||
elif isinstance(ret, IOWrite):
|
|
||||||
self.add_writer(arg.fileno(), lambda cb, f: self.call_soon(cb, f), cb, arg)
|
|
||||||
continue
|
|
||||||
elif isinstance(ret, IOReadDone):
|
|
||||||
self.remove_reader(arg.fileno())
|
|
||||||
elif isinstance(ret, IOWriteDone):
|
|
||||||
self.remove_writer(arg.fileno())
|
|
||||||
elif isinstance(ret, StopLoop):
|
|
||||||
return arg
|
|
||||||
elif isinstance(ret, type_gen):
|
|
||||||
self.call_soon(ret)
|
|
||||||
elif ret is None:
|
|
||||||
# Just reschedule
|
|
||||||
pass
|
|
||||||
else:
|
|
||||||
assert False, "Unsupported coroutine yield value: %r (of type %r)" % (ret, type(ret))
|
|
||||||
except StopIteration as e:
|
|
||||||
log.debug("Coroutine finished: %s", cb)
|
|
||||||
continue
|
|
||||||
self.call_later(delay, cb, *args)
|
|
||||||
|
|
||||||
def run_until_complete(self, coro):
|
|
||||||
def _run_and_stop():
|
|
||||||
yield from coro
|
|
||||||
yield StopLoop(0)
|
|
||||||
self.call_soon(_run_and_stop())
|
|
||||||
self.run_forever()
|
|
||||||
|
|
||||||
def close(self):
|
|
||||||
pass
|
|
||||||
|
|
||||||
|
|
||||||
import select
|
import select
|
||||||
|
|
||||||
|
|
@ -138,46 +44,9 @@ class EpollEventLoop(EventLoop):
|
||||||
cb[0](*cb[1])
|
cb[0](*cb[1])
|
||||||
|
|
||||||
|
|
||||||
class SysCall:
|
|
||||||
|
|
||||||
def __init__(self, *args):
|
|
||||||
self.args = args
|
|
||||||
|
|
||||||
def handle(self):
|
|
||||||
raise NotImplementedError
|
|
||||||
|
|
||||||
class Sleep(SysCall):
|
|
||||||
pass
|
|
||||||
|
|
||||||
class StopLoop(SysCall):
|
|
||||||
pass
|
|
||||||
|
|
||||||
class IORead(SysCall):
|
|
||||||
pass
|
|
||||||
|
|
||||||
class IOWrite(SysCall):
|
|
||||||
pass
|
|
||||||
|
|
||||||
class IOReadDone(SysCall):
|
|
||||||
pass
|
|
||||||
|
|
||||||
class IOWriteDone(SysCall):
|
|
||||||
pass
|
|
||||||
|
|
||||||
|
|
||||||
def get_event_loop():
|
def get_event_loop():
|
||||||
return EpollEventLoop()
|
return EpollEventLoop()
|
||||||
|
|
||||||
def coroutine(f):
|
|
||||||
return f
|
|
||||||
|
|
||||||
def async(coro):
|
|
||||||
# We don't have Task bloat, so op is null
|
|
||||||
return coro
|
|
||||||
|
|
||||||
def sleep(secs):
|
|
||||||
yield Sleep(secs)
|
|
||||||
|
|
||||||
|
|
||||||
import usocket as _socket
|
import usocket as _socket
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,143 @@
|
||||||
|
import __main__
|
||||||
|
import time
|
||||||
|
import heapq
|
||||||
|
import errno
|
||||||
|
import logging
|
||||||
|
|
||||||
|
|
||||||
|
log = logging.getLogger("asyncio")
|
||||||
|
|
||||||
|
type_gen = type((lambda: (yield))())
|
||||||
|
|
||||||
|
class EventLoop:
|
||||||
|
|
||||||
|
def __init__(self):
|
||||||
|
self.q = []
|
||||||
|
self.cnt = 0
|
||||||
|
|
||||||
|
def time(self):
|
||||||
|
return time.time()
|
||||||
|
|
||||||
|
def call_soon(self, callback, *args):
|
||||||
|
self.call_at(0, callback, *args)
|
||||||
|
|
||||||
|
def call_later(self, delay, callback, *args):
|
||||||
|
self.call_at(self.time() + delay, callback, *args)
|
||||||
|
|
||||||
|
def call_at(self, time, callback, *args):
|
||||||
|
# Including self.cnt is a workaround per heapq docs
|
||||||
|
log.debug("Scheduling %s", (time, self.cnt, callback, args))
|
||||||
|
heapq.heappush(self.q, (time, self.cnt, callback, args))
|
||||||
|
# print(self.q)
|
||||||
|
self.cnt += 1
|
||||||
|
|
||||||
|
def wait(self, delay):
|
||||||
|
# Default wait implementation, to be overriden in subclasses
|
||||||
|
# with IO scheduling
|
||||||
|
log.debug("Sleeping for: %s", delay)
|
||||||
|
time.sleep(delay)
|
||||||
|
|
||||||
|
def run_forever(self):
|
||||||
|
while True:
|
||||||
|
if self.q:
|
||||||
|
t, cnt, cb, args = heapq.heappop(self.q)
|
||||||
|
log.debug("Next coroutine to run: %s", (t, cnt, cb, args))
|
||||||
|
# __main__.mem_info()
|
||||||
|
tnow = self.time()
|
||||||
|
delay = t - tnow
|
||||||
|
if delay > 0:
|
||||||
|
self.wait(delay)
|
||||||
|
else:
|
||||||
|
self.wait(-1)
|
||||||
|
# Assuming IO completion scheduled some tasks
|
||||||
|
continue
|
||||||
|
if callable(cb):
|
||||||
|
cb(*args)
|
||||||
|
else:
|
||||||
|
delay = 0
|
||||||
|
try:
|
||||||
|
if args == ():
|
||||||
|
args = (None,)
|
||||||
|
log.debug("Coroutine %s send args: %s", cb, args)
|
||||||
|
ret = cb.send(*args)
|
||||||
|
log.debug("Coroutine %s yield result: %s", cb, ret)
|
||||||
|
if isinstance(ret, SysCall):
|
||||||
|
arg = ret.args[0]
|
||||||
|
if isinstance(ret, Sleep):
|
||||||
|
delay = arg
|
||||||
|
elif isinstance(ret, IORead):
|
||||||
|
# self.add_reader(ret.obj.fileno(), lambda self, c, f: self.call_soon(c, f), self, cb, ret.obj)
|
||||||
|
# self.add_reader(ret.obj.fileno(), lambda c, f: self.call_soon(c, f), cb, ret.obj)
|
||||||
|
self.add_reader(arg.fileno(), lambda cb, f: self.call_soon(cb, f), cb, arg)
|
||||||
|
continue
|
||||||
|
elif isinstance(ret, IOWrite):
|
||||||
|
self.add_writer(arg.fileno(), lambda cb, f: self.call_soon(cb, f), cb, arg)
|
||||||
|
continue
|
||||||
|
elif isinstance(ret, IOReadDone):
|
||||||
|
self.remove_reader(arg.fileno())
|
||||||
|
elif isinstance(ret, IOWriteDone):
|
||||||
|
self.remove_writer(arg.fileno())
|
||||||
|
elif isinstance(ret, StopLoop):
|
||||||
|
return arg
|
||||||
|
elif isinstance(ret, type_gen):
|
||||||
|
self.call_soon(ret)
|
||||||
|
elif ret is None:
|
||||||
|
# Just reschedule
|
||||||
|
pass
|
||||||
|
else:
|
||||||
|
assert False, "Unsupported coroutine yield value: %r (of type %r)" % (ret, type(ret))
|
||||||
|
except StopIteration as e:
|
||||||
|
log.debug("Coroutine finished: %s", cb)
|
||||||
|
continue
|
||||||
|
self.call_later(delay, cb, *args)
|
||||||
|
|
||||||
|
def run_until_complete(self, coro):
|
||||||
|
def _run_and_stop():
|
||||||
|
yield from coro
|
||||||
|
yield StopLoop(0)
|
||||||
|
self.call_soon(_run_and_stop())
|
||||||
|
self.run_forever()
|
||||||
|
|
||||||
|
def close(self):
|
||||||
|
pass
|
||||||
|
|
||||||
|
|
||||||
|
class SysCall:
|
||||||
|
|
||||||
|
def __init__(self, *args):
|
||||||
|
self.args = args
|
||||||
|
|
||||||
|
def handle(self):
|
||||||
|
raise NotImplementedError
|
||||||
|
|
||||||
|
class Sleep(SysCall):
|
||||||
|
pass
|
||||||
|
|
||||||
|
class StopLoop(SysCall):
|
||||||
|
pass
|
||||||
|
|
||||||
|
class IORead(SysCall):
|
||||||
|
pass
|
||||||
|
|
||||||
|
class IOWrite(SysCall):
|
||||||
|
pass
|
||||||
|
|
||||||
|
class IOReadDone(SysCall):
|
||||||
|
pass
|
||||||
|
|
||||||
|
class IOWriteDone(SysCall):
|
||||||
|
pass
|
||||||
|
|
||||||
|
|
||||||
|
def get_event_loop():
|
||||||
|
return EventLoop()
|
||||||
|
|
||||||
|
def coroutine(f):
|
||||||
|
return f
|
||||||
|
|
||||||
|
def async(coro):
|
||||||
|
# We don't have Task bloat, so op is null
|
||||||
|
return coro
|
||||||
|
|
||||||
|
def sleep(secs):
|
||||||
|
yield Sleep(secs)
|
||||||
Ładowanie…
Reference in New Issue