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58 lines
2.3 KiB
Python

import multiprocessing as mp
from multiprocessing.connection import Connection
from Agreement.SM.skio.exception import SkError
from Agreement.SM.skio.define import CmdType, KCommand, KReply
from Agreement.SM.skio.worker.state import SkWorkerState
class SkWorkerProcess(mp.Process):
connection: Connection
def __init__(self, connection):
mp.Process.__init__(self)
self.name = 'SkWorker'
self.daemon = True
self.connection = connection
self.query = mp.Queue()
def run(self) -> None:
state = SkWorkerState()
while True:
cmd: KCommand = self.query.get()
try:
if cmd.type == CmdType.SETUP:
path = cmd.body
state.setup(path)
reply = KReply(CmdType.SUCCESS)
self.connection.send(reply)
elif cmd.type == CmdType.PING:
reply = KReply(CmdType.PING, body=state.slots)
self.connection.send(reply)
elif cmd.type == CmdType.READ:
name = cmd.body.pop('name')
remote = cmd.body.get('remote', True)
force = cmd.body.get('force', False)
if force:
value = state.force_flag.get(name)
else:
value = state.read(name, remote=remote)
reply = KReply(CmdType.SUCCESS, body=value)
self.connection.send(reply)
elif cmd.type == CmdType.WRITE:
force = cmd.body.get('force', False)
name = cmd.body.pop('name')
value = cmd.body.pop('value')
if force and value == '':
if name in state.force_flag:
state.force_flag.pop(name)
else:
value = state.write(name, value, remote=True)
if force:
state.force_flag[name] = value
reply = KReply(CmdType.SUCCESS, body=value)
self.connection.send(reply)
except SkError as e:
reply = KReply(CmdType.ERROR, body=e)
self.connection.send(reply)