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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.
*
*/
#include <grpc/support/port_platform.h>
#include "src/core/lib/surface/completion_queue.h"
#include "src/core/lib/surface/completion_queue_factory.h"
#include <grpc/support/log.h>
/*
* == Default completion queue factory implementation ==
*/
static grpc_completion_queue* default_create(
const grpc_completion_queue_factory* factory,
const grpc_completion_queue_attributes* attr) {
return grpc_completion_queue_create_internal(
attr->cq_completion_type, attr->cq_polling_type,
static_cast<grpc_core::CQCallbackInterface*>(attr->cq_shutdown_cb));
}
static grpc_completion_queue_factory_vtable default_vtable = {default_create};
static const grpc_completion_queue_factory g_default_cq_factory = {
"Default Factory", nullptr, &default_vtable};
/*
* == Completion queue factory APIs
*/
const grpc_completion_queue_factory* grpc_completion_queue_factory_lookup(
const grpc_completion_queue_attributes* attributes) {
GPR_ASSERT(attributes->version >= 1 &&
attributes->version <= GRPC_CQ_CURRENT_VERSION);
/* The default factory can handle version 1 of the attributes structure. We
may have to change this as more fields are added to the structure */
return &g_default_cq_factory;
}
/*
* == Completion queue creation APIs ==
*/
grpc_completion_queue* grpc_completion_queue_create_for_next(void* reserved) {
GPR_ASSERT(!reserved);
grpc_completion_queue_attributes attr = {1, GRPC_CQ_NEXT,
GRPC_CQ_DEFAULT_POLLING, nullptr};
return g_default_cq_factory.vtable->create(&g_default_cq_factory, &attr);
}
grpc_completion_queue* grpc_completion_queue_create_for_pluck(void* reserved) {
GPR_ASSERT(!reserved);
grpc_completion_queue_attributes attr = {1, GRPC_CQ_PLUCK,
GRPC_CQ_DEFAULT_POLLING, nullptr};
return g_default_cq_factory.vtable->create(&g_default_cq_factory, &attr);
}
grpc_completion_queue* grpc_completion_queue_create_for_callback(
void* shutdown_callback, void* reserved) {
GPR_ASSERT(!reserved);
grpc_completion_queue_attributes attr = {
2, GRPC_CQ_CALLBACK, GRPC_CQ_DEFAULT_POLLING, shutdown_callback};
return g_default_cq_factory.vtable->create(&g_default_cq_factory, &attr);
}
grpc_completion_queue* grpc_completion_queue_create(
const grpc_completion_queue_factory* factory,
const grpc_completion_queue_attributes* attr, void* reserved) {
GPR_ASSERT(!reserved);
return factory->vtable->create(factory, attr);
}
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