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/*
*
* Copyright 2018 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.
*
*/
#ifndef GRPC_CORE_TSI_ALTS_HANDSHAKER_ALTS_SHARED_RESOURCE_H
#define GRPC_CORE_TSI_ALTS_HANDSHAKER_ALTS_SHARED_RESOURCE_H
#include <grpc/support/port_platform.h>
#include <grpc/grpc.h>
#include <grpc/support/sync.h>
#include "src/core/lib/gprpp/thd.h"
#include "src/core/lib/iomgr/pollset_set.h"
#include "src/core/lib/surface/completion_queue.h"
/**
* Main struct containing ALTS shared resources used when
* employing the dedicated completion queue and thread.
*/
typedef struct alts_shared_resource_dedicated {
grpc_core::Thread thread;
grpc_completion_queue* cq;
grpc_pollset_set* interested_parties;
grpc_cq_completion storage;
gpr_mu mu;
grpc_channel* channel;
} alts_shared_resource_dedicated;
/* This method returns the address of alts_shared_resource_dedicated
* object shared by all TSI handshakes.
*/
alts_shared_resource_dedicated* grpc_alts_get_shared_resource_dedicated(void);
/**
* This method destroys the alts_shared_resource_dedicated object
* shared by all TSI handshakes. The applicaiton is responsible for
* invoking the API before calling grpc_shutdown().
*/
void grpc_alts_shared_resource_dedicated_shutdown();
/**
* This method initializes the alts_shared_resource_dedicated object
* shared by all TSI handshakes. The application is responsible for
* invoking the API after calling grpc_init();
*/
void grpc_alts_shared_resource_dedicated_init();
/**
* This method populates various fields of the alts_shared_resource_dedicated
* object shared by all TSI handshakes and start the dedicated thread.
* The API will be invoked by the caller in a lazy manner. That is,
* it will get invoked when ALTS TSI handshake occurs for the first time.
*/
void grpc_alts_shared_resource_dedicated_start(
const char* handshaker_service_url);
#endif /* GRPC_CORE_TSI_ALTS_HANDSHAKER_ALTS_SHARED_RESOURCE_H \
*/
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