ring_hash.h

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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_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_RING_HASH_RING_HASH_H
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_RING_HASH_RING_HASH_H
 
#include <grpc/support/port_platform.h>
 
#include <stdlib.h>
 
#include <vector>
 
#include "src/core/lib/gprpp/unique_type_name.h"
#include "src/core/lib/iomgr/error.h"
#include "src/core/lib/json/json.h"
 
namespace grpc_core {
 
UniqueTypeName RequestHashAttributeName();
 
// Helper Parsing method to parse ring hash policy configs; for example, ring
// hash size validity.
void ParseRingHashLbConfig(const Json& json, size_t* min_ring_size,
                           size_t* max_ring_size,
                           std::vector<grpc_error_handle>* error_list);
 
}  // namespace grpc_core
 
#endif  // GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_RING_HASH_RING_HASH_H