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# Copyright 2019 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cdef class _AioCall(GrpcCallWrapper):
cdef:
readonly AioChannel _channel
list _references
object _deadline
list _done_callbacks
# Caches the picked event loop, so we can avoid the 30ns overhead each
# time we need access to the event loop.
object _loop
# Flag indicates whether cancel being called or not. Cancellation from
# Core or peer works perfectly fine with normal procedure. However, we
# need this flag to clean up resources for cancellation from the
# application layer. Directly cancelling tasks might cause segfault
# because Core is holding a pointer for the callback handler.
bint _is_locally_cancelled
# Following attributes are used for storing the status of the call and
# the initial metadata. Waiters are used for pausing the execution of
# tasks that are asking for one of the field when they are not yet
# available.
readonly AioRpcStatus _status
readonly tuple _initial_metadata
list _waiters_status
list _waiters_initial_metadata
int _send_initial_metadata_flags
cdef void _create_grpc_call(self, object timeout, bytes method, CallCredentials credentials) except *
cdef void _set_status(self, AioRpcStatus status) except *
cdef void _set_initial_metadata(self, tuple initial_metadata) except *
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