memgraph/tests/concurrent/network_read_hang.cpp
Mislav Bradac 19a44a7d94 Close session on timeouts
Reviewers: mferencevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D897
2017-10-17 14:34:31 +02:00

109 lines
2.8 KiB
C++

#ifndef NDEBUG
#define NDEBUG
#endif
#include <array>
#include <chrono>
#include <cstring>
#include <iostream>
#include <thread>
#include <vector>
#include <glog/logging.h>
#include <gtest/gtest.h>
#include "communication/bolt/v1/decoder/buffer.hpp"
#include "communication/server.hpp"
#include "database/graph_db_accessor.hpp"
#include "io/network/epoll.hpp"
#include "io/network/socket.hpp"
static constexpr const char interface[] = "127.0.0.1";
using io::network::NetworkEndpoint;
using io::network::Socket;
class TestData {};
class TestSession {
public:
TestSession(Socket &&socket, TestData &) : socket_(std::move(socket)) {
event_.data.ptr = this;
}
bool Alive() const { return socket_.IsOpen(); }
bool TimedOut() const { return false; }
int Id() const { return socket_.fd(); }
void Execute() { this->socket_.Write(buffer_.data(), buffer_.size()); }
io::network::StreamBuffer Allocate() { return buffer_.Allocate(); }
void Written(size_t len) { buffer_.Written(len); }
void Close() { this->socket_.Close(); }
Socket socket_;
communication::bolt::Buffer<> buffer_;
io::network::Epoll::Event event_;
std::chrono::time_point<std::chrono::steady_clock> last_event_time_;
};
std::atomic<bool> run{true};
void client_run(int num, const char *interface, const char *port) {
NetworkEndpoint endpoint(interface, port);
Socket socket;
uint8_t data = 0x00;
ASSERT_TRUE(socket.Connect(endpoint));
ASSERT_TRUE(socket.SetTimeout(1, 0));
// set socket timeout to 1s
ASSERT_TRUE(socket.Write((uint8_t *)"\xAA", 1));
ASSERT_TRUE(socket.Read(&data, 1));
fprintf(stderr, "CLIENT %d READ 0x%02X!\n", num, data);
ASSERT_EQ(data, 0xAA);
while (run) std::this_thread::sleep_for(std::chrono::milliseconds(100));
socket.Close();
}
TEST(Network, SocketReadHangOnConcurrentConnections) {
// initialize listen socket
NetworkEndpoint endpoint(interface, "0");
printf("ADDRESS: %s, PORT: %d\n", endpoint.address(), endpoint.port());
// initialize server
TestData data;
communication::Server<TestSession, TestData> server(endpoint, data);
// start server
int N = (std::thread::hardware_concurrency() + 1) / 2;
int Nc = N * 3;
std::thread server_thread([&] { server.Start(N); });
const auto &ep = server.endpoint();
// start clients
std::vector<std::thread> clients;
for (int i = 0; i < Nc; ++i)
clients.push_back(std::thread(client_run, i, interface, ep.port_str()));
// wait for 2s and stop clients
std::this_thread::sleep_for(std::chrono::seconds(2));
run = false;
// cleanup clients
for (int i = 0; i < Nc; ++i) clients[i].join();
// stop server
server.Shutdown();
server_thread.join();
}
int main(int argc, char **argv) {
google::InitGoogleLogging(argv[0]);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}