7939b04117
Reviewers: mislav.bradac, buda Reviewed By: buda Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D632
120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
#ifndef NDEBUG
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#define NDEBUG
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#endif
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#include <array>
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#include <cassert>
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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 <glog/logging.h>
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#include <gtest/gtest.h>
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#include "communication/bolt/v1/decoder/buffer.hpp"
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#include "communication/server.hpp"
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#include "io/network/epoll.hpp"
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#include "io/network/socket.hpp"
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static constexpr const char interface[] = "127.0.0.1";
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using endpoint_t = io::network::NetworkEndpoint;
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using socket_t = 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(socket_t &&socket, TestData &data)
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: socket_(std::move(socket)) {
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event_.data.ptr = this;
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}
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bool Alive() { return socket_.IsOpen(); }
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int Id() const { return socket_.id(); }
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void Execute() { this->socket_.Write(buffer_.data(), buffer_.size()); }
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io::network::StreamBuffer Allocate() { return buffer_.Allocate(); }
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void Written(size_t len) { buffer_.Written(len); }
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void Close() { this->socket_.Close(); }
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socket_t socket_;
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communication::bolt::Buffer<> buffer_;
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io::network::Epoll::Event event_;
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};
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using test_server_t = communication::Server<TestSession, socket_t, TestData>;
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test_server_t *serverptr;
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std::atomic<bool> run{true};
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void client_run(int num, const char *interface, const char *port) {
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endpoint_t endpoint(interface, port);
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socket_t socket;
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uint8_t data = 0x00;
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ASSERT_TRUE(socket.Connect(endpoint));
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ASSERT_TRUE(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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void server_run(void *serverptr, int num) {
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((test_server_t *)serverptr)->Start(num);
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}
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TEST(Network, SocketReadHangOnConcurrentConnections) {
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// initialize listen socket
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endpoint_t endpoint(interface, "0");
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socket_t socket;
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ASSERT_TRUE(socket.Bind(endpoint));
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ASSERT_TRUE(socket.SetNonBlocking());
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ASSERT_TRUE(socket.Listen(1024));
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// get bound address
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auto ep = socket.endpoint();
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printf("ADDRESS: %s, PORT: %d\n", ep.address(), ep.port());
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// initialize server
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TestData data;
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test_server_t server(std::move(socket), data);
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serverptr = &server;
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// start server
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int N = (std::thread::hardware_concurrency() + 1) / 2;
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int Nc = N * 3;
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std::thread server_thread(server_run, serverptr, N);
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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)
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clients.push_back(std::thread(client_run, i, interface, ep.port_str()));
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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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// stop server
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server.Shutdown();
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server_thread.join();
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}
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int main(int argc, char **argv) {
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google::InitGoogleLogging(argv[0]);
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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