You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.2 KiB
76 lines
2.2 KiB
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
|
|
|
|
import dns._features
|
|
import dns.asyncbackend
|
|
|
|
if dns._features.have("doq"):
|
|
import aioquic.quic.configuration # type: ignore
|
|
|
|
from dns._asyncbackend import NullContext
|
|
from dns.quic._asyncio import (
|
|
AsyncioQuicConnection,
|
|
AsyncioQuicManager,
|
|
AsyncioQuicStream,
|
|
)
|
|
from dns.quic._common import AsyncQuicConnection, AsyncQuicManager
|
|
from dns.quic._sync import SyncQuicConnection, SyncQuicManager, SyncQuicStream
|
|
|
|
have_quic = True
|
|
|
|
def null_factory(
|
|
*args, # pylint: disable=unused-argument
|
|
**kwargs, # pylint: disable=unused-argument
|
|
):
|
|
return NullContext(None)
|
|
|
|
def _asyncio_manager_factory(
|
|
context, *args, **kwargs # pylint: disable=unused-argument
|
|
):
|
|
return AsyncioQuicManager(*args, **kwargs)
|
|
|
|
# We have a context factory and a manager factory as for trio we need to have
|
|
# a nursery.
|
|
|
|
_async_factories = {"asyncio": (null_factory, _asyncio_manager_factory)}
|
|
|
|
if dns._features.have("trio"):
|
|
import trio
|
|
|
|
from dns.quic._trio import ( # pylint: disable=ungrouped-imports
|
|
TrioQuicConnection,
|
|
TrioQuicManager,
|
|
TrioQuicStream,
|
|
)
|
|
|
|
def _trio_context_factory():
|
|
return trio.open_nursery()
|
|
|
|
def _trio_manager_factory(context, *args, **kwargs):
|
|
return TrioQuicManager(context, *args, **kwargs)
|
|
|
|
_async_factories["trio"] = (_trio_context_factory, _trio_manager_factory)
|
|
|
|
def factories_for_backend(backend=None):
|
|
if backend is None:
|
|
backend = dns.asyncbackend.get_default_backend()
|
|
return _async_factories[backend.name()]
|
|
|
|
else: # pragma: no cover
|
|
have_quic = False
|
|
|
|
from typing import Any
|
|
|
|
class AsyncQuicStream: # type: ignore
|
|
pass
|
|
|
|
class AsyncQuicConnection: # type: ignore
|
|
async def make_stream(self) -> Any:
|
|
raise NotImplementedError
|
|
|
|
class SyncQuicStream: # type: ignore
|
|
pass
|
|
|
|
class SyncQuicConnection: # type: ignore
|
|
def make_stream(self) -> Any:
|
|
raise NotImplementedError
|