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Add post-mortem catch around failed transport addr binds to aid with runtime debugging

multihomed
Tyler Goodlet 2023-10-03 10:54:46 -04:00
parent e94f1261b5
commit 4314a59327
2 changed files with 23 additions and 10 deletions
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12
tractor/_root.py
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@ -260,10 +260,14 @@ async def open_root_actor(
# start the actor runtime in a new task # start the actor runtime in a new task
async with trio.open_nursery() as nursery: async with trio.open_nursery() as nursery:
# ``_runtime.async_main()`` creates an internal nursery and # ``_runtime.async_main()`` creates an internal nursery
# thus blocks here until the entire underlying actor tree has # and blocks here until any underlying actor(-process)
# terminated thereby conducting structured concurrency. # tree has terminated thereby conducting so called
# "end-to-end" structured concurrency throughout an
# entire hierarchical python sub-process set; all
# "actor runtime" primitives are SC-compat and thus all
# transitively spawned actors/processes must be as
# well.
await nursery.start( await nursery.start(
partial( partial(
async_main, async_main,

9
tractor/_runtime.py
View File

@ -1405,6 +1405,7 @@ async def async_main(
# - root actor: the ``accept_addr`` passed to this method # - root actor: the ``accept_addr`` passed to this method
assert accept_addrs assert accept_addrs
try:
actor._server_n = await service_nursery.start( actor._server_n = await service_nursery.start(
partial( partial(
actor._serve_forever, actor._serve_forever,
@ -1412,6 +1413,14 @@ async def async_main(
listen_sockaddrs=accept_addrs, listen_sockaddrs=accept_addrs,
) )
) )
except OSError as oserr:
# NOTE: always allow runtime hackers to debug
# tranport address bind errors - normally it's
# something silly like the wrong socket-address
# passed via a config or CLI Bo
entered_debug = await _debug._maybe_enter_pm(oserr)
raise
accept_addrs: list[tuple[str, int]] = actor.accept_addrs accept_addrs: list[tuple[str, int]] = actor.accept_addrs
# NOTE: only set the loopback addr for the # NOTE: only set the loopback addr for the