71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
// Copyright 2022 Memgraph Ltd.
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//
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// Use of this software is governed by the Business Source License
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// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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// License, and you may not use this file except in compliance with the Business Source License.
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//
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// As of the Change Date specified in that file, in accordance with
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// the Business Source License, use of this software will be governed
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// by the Apache License, Version 2.0, included in the file
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// licenses/APL.txt.
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#include <thread>
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#include "io/v3/simulator.hpp"
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struct CounterRequest {
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uint64_t proposal_;
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};
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struct CounterResponse {
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uint64_t highest_seen_;
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};
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void run_server(Io<SimulatorTransport> srv_io) {
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uint64_t highest_seen;
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while (!srv_io.ShouldShutDown()) {
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auto request_result = srv_io.Receive<CounterRequest>();
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if (request_result.HasError()) {
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continue;
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}
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auto request_envelope = request_result.GetValue();
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auto req = std::get<CounterRequest>(request_envelope.message);
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highest_seen = std::max(highest_seen, req.proposal_);
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auto srv_res = CounterResponse{highest_seen};
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request_envelope.Reply(srv_res, srv_io);
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}
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}
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int main() {
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auto simulator = Simulator();
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auto cli_addr = Address::TestAddress(1);
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auto srv_addr = Address::TestAddress(2);
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Io<SimulatorTransport> cli_io = simulator.Register(cli_addr, false);
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Io<SimulatorTransport> srv_io = simulator.Register(srv_addr, true);
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auto srv_thread = std::jthread(run_server, std::move(srv_io));
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// send request
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CounterRequest cli_req;
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cli_req.proposal_ = 1;
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auto response_future = cli_io.Request<CounterRequest, CounterResponse>(srv_addr, cli_req);
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// receive response
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auto response_result = response_future.Wait();
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auto response_envelope = response_result.GetValue();
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MG_ASSERT(response_envelope.message.highest_seen_ == 1);
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simulator.ShutDown();
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srv_thread.join();
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return 0;
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}
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