98 lines
2.9 KiB
C++
98 lines
2.9 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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#ifndef NDEBUG
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#define NDEBUG
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#endif
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#include <array>
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#include <chrono>
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#include <cstring>
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#include <iostream>
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#include <thread>
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#include <vector>
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#include <gtest/gtest.h>
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#include "communication/server.hpp"
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inline constexpr const char interface[] = "127.0.0.1";
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using memgraph::io::network::Endpoint;
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using memgraph::io::network::Socket;
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class TestData {};
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class TestSession {
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public:
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TestSession(TestData *, const memgraph::io::network::Endpoint &, memgraph::communication::InputStream *input_stream,
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memgraph::communication::OutputStream *output_stream)
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: input_stream_(input_stream), output_stream_(output_stream) {}
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void Execute() { output_stream_->Write(input_stream_->data(), input_stream_->size()); }
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memgraph::communication::InputStream *input_stream_;
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memgraph::communication::OutputStream *output_stream_;
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};
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std::atomic<bool> run{true};
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void client_run(int num, const char *interface, uint16_t port) {
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Endpoint endpoint(interface, port);
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Socket socket;
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uint8_t data = 0x00;
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ASSERT_TRUE(socket.Connect(endpoint));
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socket.SetTimeout(1, 0);
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// set socket timeout to 1s
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ASSERT_TRUE(socket.Write((uint8_t *)"\xAA", 1));
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ASSERT_TRUE(socket.Read(&data, 1));
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fprintf(stderr, "CLIENT %d READ 0x%02X!\n", num, data);
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ASSERT_EQ(data, 0xAA);
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while (run) std::this_thread::sleep_for(std::chrono::milliseconds(100));
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socket.Close();
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}
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TEST(Network, SocketReadHangOnConcurrentConnections) {
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// initialize listen socket
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Endpoint endpoint(interface, 0);
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std::cout << endpoint << std::endl;
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// initialize server
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TestData data;
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int N = (std::thread::hardware_concurrency() + 1) / 2;
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int Nc = N * 3;
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memgraph::communication::ServerContext context;
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memgraph::communication::Server<TestSession, TestData> server(endpoint, &data, &context, -1, "Test", N);
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ASSERT_TRUE(server.Start());
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const auto &ep = server.endpoint();
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// start clients
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std::vector<std::thread> clients;
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for (int i = 0; i < Nc; ++i) clients.push_back(std::thread(client_run, i, interface, ep.port));
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// wait for 2s and stop clients
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std::this_thread::sleep_for(std::chrono::seconds(2));
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run = false;
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// cleanup clients
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for (int i = 0; i < Nc; ++i) clients[i].join();
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// shutdown server
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server.Shutdown();
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server.AwaitShutdown();
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}
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int main(int argc, char **argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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