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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.
*/
#include <iostream>
#include <memory>
#include <string>
#include <thread> // NOLINT
#include "absl/flags/flag.h"
#include "absl/flags/parse.h"
#include "absl/memory/memory.h"
#include "data_util.h"
#include "include/grpc/grpc_security_constants.h"
#include "include/grpcpp/grpcpp.h"
#include "include/grpcpp/security/server_credentials.h"
#include "include/grpcpp/server_builder.h"
#include "include/grpcpp/server_context.h"
#include "include/grpcpp/support/status.h"
#include "private_join_and_compute.grpc.pb.h"
#include "private_join_and_compute_rpc_impl.h"
#include "protocol_server.h"
#include "server_impl.h"
ABSL_FLAG(std::string, port, "0.0.0.0:10501", "Port on which to listen");
ABSL_FLAG(std::string, server_data_file, "",
"The file from which to read the server database.");
int RunServer() {
std::cout << "Server: loading data... " << std::endl;
auto maybe_server_identifiers =
::private_join_and_compute::ReadServerDatasetFromFile(
absl::GetFlag(FLAGS_server_data_file));
if (!maybe_server_identifiers.ok()) {
std::cerr << "RunServer: failed " << maybe_server_identifiers.status()
<< std::endl;
return 1;
}
::private_join_and_compute::Context context;
std::unique_ptr<::private_join_and_compute::ProtocolServer> server =
absl::make_unique<
::private_join_and_compute::PrivateIntersectionSumProtocolServerImpl>(
&context, std::move(maybe_server_identifiers.value()));
::private_join_and_compute::PrivateJoinAndComputeRpcImpl service(
std::move(server));
::grpc::ServerBuilder builder;
// Consider grpc::SslServerCredentials if not running locally.
builder.AddListeningPort(absl::GetFlag(FLAGS_port),
::grpc::experimental::LocalServerCredentials(
grpc_local_connect_type::LOCAL_TCP));
builder.RegisterService(&service);
std::unique_ptr<::grpc::Server> grpc_server(builder.BuildAndStart());
// Run the server on a background thread.
std::thread grpc_server_thread(
[](::grpc::Server* grpc_server_ptr) {
std::cout << "Server: listening on " << absl::GetFlag(FLAGS_port)
<< std::endl;
grpc_server_ptr->Wait();
},
grpc_server.get());
while (!service.protocol_finished()) {
// Wait for the server to be done, and then shut the server down.
}
// Shut down server.
grpc_server->Shutdown();
grpc_server_thread.join();
std::cout << "Server completed protocol and shut down." << std::endl;
return 0;
}
int main(int argc, char** argv) {
google::InitGoogleLogging(argv[0]);
absl::ParseCommandLine(argc, argv);
return RunServer();
}
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