71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
from logging import getLogger
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from os import getpid
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from queue import Empty
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from sys import exit
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from traceback import format_exception
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from setproctitle import setproctitle
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from ..server import ServerContext, apply_patches
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from ..torch_before_ort import get_available_providers
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from .context import WorkerContext
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logger = getLogger(__name__)
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EXIT_ERROR = 1
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EXIT_INTERRUPT = 0
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EXIT_MEMORY = 2
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EXIT_REPLACED = 3
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EXIT_SUCCESS = 0
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def worker_main(context: WorkerContext, server: ServerContext):
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apply_patches(server)
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setproctitle("onnx-web worker: %s" % (context.device.device))
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logger.trace("checking in from worker, %s", get_available_providers())
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# make leaking workers easier to recycle
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context.progress.cancel_join_thread()
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context.finished.cancel_join_thread()
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while True:
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try:
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if not context.is_current():
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logger.warning(
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"worker %s has been replaced by %s, exiting",
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getpid(),
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context.get_current(),
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)
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exit(EXIT_REPLACED)
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name, fn, args, kwargs = context.pending.get(timeout=1.0)
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logger.info("worker for %s got job: %s", context.device.device, name)
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context.job = name # TODO: hax
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context.clear_flags()
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logger.info("starting job: %s", name)
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fn(context, *args, **kwargs)
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logger.info("job succeeded: %s", name)
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context.set_finished()
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except Empty:
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pass
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except KeyboardInterrupt:
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logger.info("worker got keyboard interrupt")
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exit(EXIT_INTERRUPT)
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except ValueError as e:
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logger.info(
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"value error in worker, exiting: %s",
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format_exception(type(e), e, e.__traceback__),
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)
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exit(EXIT_ERROR)
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except Exception as e:
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e_str = str(e)
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if "Failed to allocate memory" in e_str or "out of memory" in e_str:
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logger.error("detected out-of-memory error, exiting: %s", e)
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exit(EXIT_MEMORY)
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else:
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logger.exception(
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"error while running job",
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)
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