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https://github.com/m-labs/artiq.git
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worker: use pipe_ipc (no log)
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parent
6383253e03
commit
a583a923d8
@ -7,7 +7,7 @@ import traceback
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import time
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from functools import partial
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from artiq.protocols import pyon
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from artiq.protocols import pipe_ipc, pyon
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from artiq.tools import asyncio_wait_or_cancel
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@ -47,7 +47,7 @@ class Worker:
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self.rid = None
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self.filename = None
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self.process = None
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self.ipc = None
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self.watchdogs = dict() # wid -> expiration (using time.monotonic)
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self.io_lock = asyncio.Lock()
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@ -77,10 +77,10 @@ class Worker:
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try:
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if self.closed.is_set():
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raise WorkerError("Attempting to create process after close")
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self.process = await asyncio.create_subprocess_exec(
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self.ipc = pipe_ipc.AsyncioParentComm()
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await self.ipc.create_subprocess(
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sys.executable, "-m", "artiq.master.worker_impl",
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str(log_level),
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stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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self.ipc.get_address(), str(log_level))
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finally:
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self.io_lock.release()
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@ -93,15 +93,15 @@ class Worker:
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self.closed.set()
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await self.io_lock.acquire()
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try:
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if self.process is None:
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if self.ipc is None:
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# Note the %s - self.rid can be None
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logger.debug("worker was not created (RID %s)", self.rid)
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return
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if self.process.returncode is not None:
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if self.ipc.process.returncode is not None:
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logger.debug("worker already terminated (RID %s)", self.rid)
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if self.process.returncode != 0:
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if self.ipc.process.returncode != 0:
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logger.warning("worker finished with status code %d"
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" (RID %s)", self.process.returncode,
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" (RID %s)", self.ipc.process.returncode,
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self.rid)
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return
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obj = {"action": "terminate"}
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@ -111,21 +111,21 @@ class Worker:
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logger.debug("failed to send terminate command to worker"
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" (RID %s), killing", self.rid, exc_info=True)
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try:
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self.process.kill()
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self.ipc.process.kill()
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except ProcessLookupError:
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pass
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await self.process.wait()
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await self.ipc.process.wait()
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return
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try:
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await asyncio.wait_for(self.process.wait(), term_timeout)
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await asyncio.wait_for(self.ipc.process.wait(), term_timeout)
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except asyncio.TimeoutError:
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logger.debug("worker did not exit by itself (RID %s), killing",
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self.rid)
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try:
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self.process.kill()
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self.ipc.process.kill()
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except ProcessLookupError:
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pass
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await self.process.wait()
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await self.ipc.process.wait()
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else:
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logger.debug("worker exited by itself (RID %s)", self.rid)
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finally:
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@ -134,9 +134,8 @@ class Worker:
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async def _send(self, obj, cancellable=True):
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assert self.io_lock.locked()
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line = pyon.encode(obj)
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self.process.stdin.write(line.encode())
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self.process.stdin.write("\n".encode())
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ifs = [self.process.stdin.drain()]
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self.ipc.write((line + "\n").encode())
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ifs = [self.ipc.drain()]
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if cancellable:
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ifs.append(self.closed.wait())
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fs = await asyncio_wait_or_cancel(
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@ -153,7 +152,7 @@ class Worker:
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async def _recv(self, timeout):
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assert self.io_lock.locked()
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fs = await asyncio_wait_or_cancel(
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[self.process.stdout.readline(), self.closed.wait()],
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[self.ipc.readline(), self.closed.wait()],
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timeout=timeout, return_when=asyncio.FIRST_COMPLETED)
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if all(f.cancelled() for f in fs):
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raise WorkerTimeout("Timeout receiving data from worker")
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@ -6,7 +6,7 @@ import traceback
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from collections import OrderedDict
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import artiq
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from artiq.protocols import pyon
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from artiq.protocols import pipe_ipc, pyon
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from artiq.tools import file_import
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from artiq.master.worker_db import DeviceManager, DatasetManager, get_hdf5_output
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from artiq.language.environment import is_experiment
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@ -15,16 +15,16 @@ from artiq.coredevice.core import CompileError, host_only, _render_diagnostic
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from artiq import __version__ as artiq_version
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ipc = None
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def get_object():
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line = sys.__stdin__.readline()
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line = ipc.readline().decode()
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return pyon.decode(line)
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def put_object(obj):
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ds = pyon.encode(obj)
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sys.__stdout__.write(ds)
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sys.__stdout__.write("\n")
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sys.__stdout__.flush()
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ipc.write((ds + "\n").encode())
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class ParentActionError(Exception):
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@ -53,23 +53,6 @@ def make_parent_action(action, exception=None):
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return parent_action
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class LogForwarder:
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def __init__(self):
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self.buffer = ""
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to_parent = staticmethod(make_parent_action("log"))
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def write(self, data):
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self.buffer += data
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while "\n" in self.buffer:
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i = self.buffer.index("\n")
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self.to_parent(self.buffer[:i])
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self.buffer = self.buffer[i+1:]
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def flush(self):
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pass
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class ParentDeviceDB:
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get_device_db = make_parent_action("get_device_db")
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get = make_parent_action("get_device", KeyError)
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@ -202,9 +185,10 @@ def setup_diagnostics(experiment_file, repository_path):
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def main():
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sys.stdout = LogForwarder()
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sys.stderr = LogForwarder()
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logging.basicConfig(level=int(sys.argv[1]))
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global ipc
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logging.basicConfig(level=int(sys.argv[2]))
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ipc = pipe_ipc.ChildComm(sys.argv[1])
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start_time = None
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rid = None
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@ -277,6 +261,7 @@ def main():
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put_object({"action": "exception"})
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finally:
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device_mgr.close_devices()
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ipc.close()
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if __name__ == "__main__":
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