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/*
Copyright (c) 2015, Arvid Norberg
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "simulator/simulator.hpp"
#include <functional>
#include "catch.hpp"
#ifdef __GNUC__
// for CATCH's CHECK macro
#pragma GCC diagnostic ignored "-Wparentheses"
#endif
using namespace sim::asio;
using namespace sim::chrono;
using sim::simulation;
using sim::default_config;
using namespace std::placeholders;
namespace {
int num_incoming = 0;
int num_connected = 0;
int counter = 0;
void incoming_connection(boost::system::error_code const& ec
, ip::tcp::socket& sock, ip::tcp::acceptor& listener)
{
int millis = int(duration_cast<milliseconds>(high_resolution_clock::now()
.time_since_epoch()).count());
if (ec)
{
std::printf("[%4d] error while accepting connection: %s\n"
, millis, ec.message().c_str());
return;
}
++num_incoming;
std::printf("[%4d] received incoming connection\n", millis);
sock.close();
listener.async_accept(sock, std::bind(&incoming_connection
, _1, std::ref(sock), std::ref(listener)));
}
void on_connected(boost::system::error_code const& ec
, ip::tcp::socket& sock)
{
int millis = int(duration_cast<milliseconds>(high_resolution_clock::now()
.time_since_epoch()).count());
if (ec)
{
std::printf("[%4d] error while connecting: %s\n", millis, ec.message().c_str());
return;
}
++num_connected;
std::printf("[%4d] made outgoing connection\n", millis);
sock.close();
if (++counter > 5) return;
boost::system::error_code err;
sock.open(ip::tcp::v4(), err);
if (err) std::printf("[%4d] open failed: %s\n", millis, err.message().c_str());
sock.async_connect(ip::tcp::endpoint(ip::make_address("40.30.20.10")
, 1337), std::bind(&on_connected, _1, std::ref(sock)));
}
}
TEST_CASE("accept a connection multiple times on the same socket", "[accept]")
{
default_config cfg;
simulation sim(cfg);
io_context incoming_ios(sim, ip::make_address_v4("40.30.20.10"));
io_context outgoing_ios(sim, ip::make_address_v4("10.20.30.40"));
ip::tcp::acceptor listener(incoming_ios);
int millis = int(duration_cast<milliseconds>(high_resolution_clock::now()
.time_since_epoch()).count());
boost::system::error_code ec;
listener.open(ip::tcp::v4(), ec);
if (ec) std::printf("[%4d] open failed: %s\n", millis, ec.message().c_str());
listener.bind(ip::tcp::endpoint(ip::address(), 1337), ec);
if (ec) std::printf("[%4d] bind failed: %s\n", millis, ec.message().c_str());
listener.listen(10, ec);
if (ec) std::printf("[%4d] listen failed: %s\n", millis, ec.message().c_str());
ip::tcp::socket incoming(incoming_ios);
listener.async_accept(incoming
, std::bind(&incoming_connection, _1, std::ref(incoming)
, std::ref(listener)));
std::printf("[%4d] connecting\n", millis);
ip::tcp::socket outgoing(outgoing_ios);
outgoing.open(ip::tcp::v4(), ec);
if (ec) std::printf("[%4d] open failed: %s\n", millis, ec.message().c_str());
outgoing.async_connect(ip::tcp::endpoint(ip::make_address("40.30.20.10")
, 1337), std::bind(&on_connected, _1, std::ref(outgoing)));
sim.run();
CHECK(num_incoming == 6);
CHECK(num_connected == 6);
millis = int(duration_cast<milliseconds>(high_resolution_clock::now()
.time_since_epoch()).count());
}
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