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/*
* Copyright 2019 Google Inc.
* 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
*
* https://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 OPEN_SOURCE_PRIVATE_JOIN_AND_COMPUTE_RPC_IMPL_H_
#define OPEN_SOURCE_PRIVATE_JOIN_AND_COMPUTE_RPC_IMPL_H_
#include "include/grpcpp/grpcpp.h"
#include "include/grpcpp/server_context.h"
#include "include/grpcpp/support/status.h"
#include "private_join_and_compute/private_join_and_compute.grpc.pb.h"
#include "private_join_and_compute/private_join_and_compute.pb.h"
#include "private_join_and_compute/protocol_server.h"
namespace private_join_and_compute {
// Implements the PrivateJoin and Compute RPC-handling Server.
class PrivateJoinAndComputeRpcImpl : public PrivateJoinAndComputeRpc::Service {
public:
// Takes as a parameter an implementation of the server actually implementing
// the steps of the protocol.
//
// Important note: This class will internally create a server message sink
// that accepts a SINGLE message in response to a Handle request, and fails
// with INVALID_ARGUMENT if more than one message is supplied. All supplied
// protocol_server_impls' Handle methods should therefore Send at most one
// message to the server_message_sink.
explicit PrivateJoinAndComputeRpcImpl(
std::unique_ptr<ProtocolServer> protocol_server_impl)
: protocol_server_impl_(std::move(protocol_server_impl)) {}
// Executes a round of the protocol.
::grpc::Status Handle(::grpc::ServerContext* context,
const ClientMessage* request,
ServerMessage* response) override;
bool protocol_finished() {
return protocol_server_impl_->protocol_finished();
}
private:
std::unique_ptr<ProtocolServer> protocol_server_impl_;
};
} // namespace private_join_and_compute
#endif // OPEN_SOURCE_PRIVATE_JOIN_AND_COMPUTE_RPC_IMPL_H_
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