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# Copyright 2017 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 _Tag:
cdef object event(self, grpc_event c_event):
raise NotImplementedError()
cdef class _ConnectivityTag(_Tag):
def __cinit__(self, user_tag):
self._user_tag = user_tag
cdef ConnectivityEvent event(self, grpc_event c_event):
return ConnectivityEvent(c_event.type, c_event.success, self._user_tag)
cdef class _RequestCallTag(_Tag):
def __cinit__(self, user_tag):
self._user_tag = user_tag
self.call = None
self.call_details = None
cdef void prepare(self) except *:
self.call = Call()
self.call_details = CallDetails()
grpc_metadata_array_init(&self.c_invocation_metadata)
cdef RequestCallEvent event(self, grpc_event c_event):
cdef tuple invocation_metadata = _metadata(&self.c_invocation_metadata)
grpc_metadata_array_destroy(&self.c_invocation_metadata)
return RequestCallEvent(
c_event.type, c_event.success, self._user_tag, self.call,
self.call_details, invocation_metadata)
cdef class _BatchOperationTag:
def __cinit__(self, user_tag, operations, call):
self._user_tag = user_tag
self._operations = operations
self._retained_call = call
cdef void prepare(self) except *:
self.c_nops = 0 if self._operations is None else len(self._operations)
if 0 < self.c_nops:
self.c_ops = <grpc_op *>gpr_malloc(sizeof(grpc_op) * self.c_nops)
for index, operation in enumerate(self._operations):
(<Operation>operation).c()
self.c_ops[index] = (<Operation>operation).c_op
cdef BatchOperationEvent event(self, grpc_event c_event):
if 0 < self.c_nops:
for index, operation in enumerate(self._operations):
(<Operation>operation).c_op = self.c_ops[index]
(<Operation>operation).un_c()
gpr_free(self.c_ops)
return BatchOperationEvent(
c_event.type, c_event.success, self._user_tag, self._operations)
else:
return BatchOperationEvent(
c_event.type, c_event.success, self._user_tag, ())
cdef class _ServerShutdownTag(_Tag):
def __cinit__(self, user_tag, shutting_down_server):
self._user_tag = user_tag
self._shutting_down_server = shutting_down_server
cdef ServerShutdownEvent event(self, grpc_event c_event):
self._shutting_down_server.notify_shutdown_complete()
return ServerShutdownEvent(c_event.type, c_event.success, self._user_tag)
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