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https://github.com/m-labs/artiq.git
synced 2024-12-25 03:08:27 +08:00
sync_struct: support nested structures
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parent
893c18679f
commit
f12e721974
@ -14,10 +14,10 @@ class FlatFileDB:
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self.hooks = []
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def save(self):
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pyon.store_file(self.filename, self.data.backing_struct)
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pyon.store_file(self.filename, self.data.read)
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def request(self, name):
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return self.data.backing_struct[name]
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return self.data.read[name]
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def set(self, name, value):
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self.data[name] = value
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@ -40,12 +40,12 @@ class SimpleHistory:
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self.history = Notifier([])
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def set(self, timestamp, name, value):
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if len(self.history.backing_struct) >= self.depth:
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if len(self.history.read) >= self.depth:
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del self.history[0]
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self.history.append((timestamp, name, value))
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def delete(self, timestamp, name):
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if len(self.history.backing_struct) >= self.depth:
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if len(self.history.read) >= self.depth:
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del self.history[0]
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self.history.append((timestamp, name))
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@ -20,8 +20,8 @@ class Scheduler:
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return r
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def new_prid(self):
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prids = set(range(len(self.periodic.backing_struct) + 1))
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prids -= set(self.periodic.backing_struct.keys())
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prids = set(range(len(self.periodic.read) + 1))
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prids -= set(self.periodic.read.keys())
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return next(iter(prids))
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@asyncio.coroutine
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@ -44,7 +44,7 @@ class Scheduler:
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def cancel_once(self, rid):
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idx = next(idx for idx, (qrid, _, _)
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in enumerate(self.queue.backing_struct)
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in enumerate(self.queue.read)
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if qrid == rid)
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if idx == 0:
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# Cannot cancel when already running
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@ -75,7 +75,7 @@ class Scheduler:
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while True:
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min_next_run = None
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min_prid = None
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for prid, params in self.periodic.backing_struct.items():
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for prid, params in self.periodic.read.items():
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if min_next_run is None or params[0] < min_next_run:
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min_next_run = params[0]
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min_prid = prid
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@ -89,7 +89,7 @@ class Scheduler:
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return min_next_run
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next_run, run_params, timeout, period = \
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self.periodic.backing_struct[min_prid]
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self.periodic.read[min_prid]
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self.periodic[min_prid] = now + period, run_params, timeout, period
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rid = self.new_rid()
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@ -101,8 +101,8 @@ class Scheduler:
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def _schedule(self):
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while True:
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next_periodic = yield from self._run_periodic()
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if self.queue.backing_struct:
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rid, run_params, timeout = self.queue.backing_struct[0]
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if self.queue.read:
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rid, run_params, timeout = self.queue.read[0]
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yield from self._run(rid, run_params, timeout)
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del self.queue[0]
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else:
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@ -1,4 +1,5 @@
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import asyncio
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from operator import getitem
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from artiq.management import pyon
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from artiq.management.tools import AsyncioServer
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@ -52,56 +53,74 @@ class Subscriber:
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if action == "init":
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target = self.target_builder(obj["struct"])
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elif action == "append":
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target.append(obj["x"])
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elif action == "insert":
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target.insert(obj["i"], obj["x"])
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elif action == "pop":
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target.pop(obj["i"])
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elif action == "setitem":
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target.__setitem__(obj["key"], obj["value"])
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elif action == "delitem":
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target.__delitem__(obj["key"])
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else:
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for key in obj["path"]:
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target = getitem(target, key)
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if action == "append":
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target.append(obj["x"])
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elif action == "insert":
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target.insert(obj["i"], obj["x"])
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elif action == "pop":
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target.pop(obj["i"])
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elif action == "setitem":
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target.__setitem__(obj["key"], obj["value"])
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elif action == "delitem":
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target.__delitem__(obj["key"])
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if self.notify_cb is not None:
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self.notify_cb()
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class Notifier:
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def __init__(self, backing_struct):
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self.backing_struct = backing_struct
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self.publisher = None
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def __init__(self, backing_struct, publisher=None, path=[]):
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self.read = backing_struct
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self.publisher = publisher
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self._backing_struct = backing_struct
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self._path = path
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# Backing struct modification methods.
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# All modifications must go through them!
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def append(self, x):
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self.backing_struct.append(x)
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self._backing_struct.append(x)
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if self.publisher is not None:
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self.publisher.publish(self, {"action": "append", "x": x})
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self.publisher.publish(self, {"action": "append",
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"path": self._path,
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"x": x})
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def insert(self, i, x):
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self.backing_struct.insert(i, x)
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self._backing_struct.insert(i, x)
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if self.publisher is not None:
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self.publisher.publish(self, {"action": "insert", "i": i, "x": x})
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self.publisher.publish(self, {"action": "insert",
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"path": self._path,
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"i": i, "x": x})
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def pop(self, i=-1):
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r = self.backing_struct.pop(i)
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r = self._backing_struct.pop(i)
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if self.publisher is not None:
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self.publisher.publish(self, {"action": "pop", "i": i})
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self.publisher.publish(self, {"action": "pop",
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"path": self._path,
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"i": i})
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return r
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def __setitem__(self, key, value):
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self.backing_struct.__setitem__(key, value)
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self._backing_struct.__setitem__(key, value)
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if self.publisher is not None:
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self.publisher.publish(self, {"action": "setitem",
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"path": self._path,
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"key": key,
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"value": value})
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def __delitem__(self, key):
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self.backing_struct.__delitem__(key)
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self._backing_struct.__delitem__(key)
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if self.publisher is not None:
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self.publisher.publish(self, {"action": "delitem", "key": key})
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self.publisher.publish(self, {"action": "delitem",
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"path": self._path,
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"key": key})
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def __getitem__(self, key):
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item = getitem(self._backing_struct, key)
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return Notifier(item, self.publisher, self._path + [key])
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class Publisher(AsyncioServer):
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@ -131,7 +150,7 @@ class Publisher(AsyncioServer):
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except KeyError:
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return
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obj = {"action": "init", "struct": notifier.backing_struct}
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obj = {"action": "init", "struct": notifier.read}
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line = pyon.encode(obj) + "\n"
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writer.write(line.encode())
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