handshaker_registry.h

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/*
 *
 * Copyright 2016 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_LIB_TRANSPORT_HANDSHAKER_REGISTRY_H
#define GRPC_CORE_LIB_TRANSPORT_HANDSHAKER_REGISTRY_H
 
#include <grpc/support/port_platform.h>
 
#include <memory>
#include <vector>
 
#include <grpc/impl/codegen/grpc_types.h>
 
#include "src/core/lib/iomgr/iomgr_fwd.h"
#include "src/core/lib/transport/handshaker_factory.h"
 
namespace grpc_core {
 
typedef enum {
  HANDSHAKER_CLIENT = 0,
  HANDSHAKER_SERVER,
  NUM_HANDSHAKER_TYPES,  // Must be last.
} HandshakerType;
 
class HandshakerRegistry {
 public:
  class Builder {
   public:
    void RegisterHandshakerFactory(bool at_start,
                                   HandshakerType handshaker_type,
                                   std::unique_ptr<HandshakerFactory> factory);
 
    HandshakerRegistry Build();
 
   private:
    std::vector<std::unique_ptr<HandshakerFactory>>
        factories_[NUM_HANDSHAKER_TYPES];
  };
 
  void AddHandshakers(HandshakerType handshaker_type,
                      const grpc_channel_args* args,
                      grpc_pollset_set* interested_parties,
                      HandshakeManager* handshake_mgr) const;
 
 private:
  HandshakerRegistry() = default;
 
  std::vector<std::unique_ptr<HandshakerFactory>>
      factories_[NUM_HANDSHAKER_TYPES];
};
 
}  // namespace grpc_core
 
#endif /* GRPC_CORE_LIB_TRANSPORT_HANDSHAKER_REGISTRY_H */