/* * This file is open source software, licensed to you under the terms * of the Apache License, Version 2.0 (the "License"). See the NOTICE file * distributed with this work for additional information regarding copyright * ownership. You may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /* * Copyright (C) 2014 Cloudius Systems, Ltd. */ #include #include #include #include #include #include using namespace seastar; using namespace net; struct tcp_test { ipv4& inet; using tcp = net::tcp; tcp::listener _listener; struct connection { tcp::connection tcp_conn; explicit connection(tcp::connection tc) : tcp_conn(std::move(tc)) {} void run() { // Read packets and echo back in the background. (void)tcp_conn.wait_for_data().then([this] { auto p = tcp_conn.read(); if (!p.len()) { tcp_conn.close_write(); return; } fmt::print("read {:d} bytes\n", p.len()); (void)tcp_conn.send(std::move(p)); run(); }); } }; tcp_test(ipv4& inet) : inet(inet), _listener(inet.get_tcp().listen(10000)) {} void run() { // Run all connections in the background. (void)_listener.accept().then([this] (tcp::connection conn) { (new connection(std::move(conn)))->run(); run(); }); } }; int main(int ac, char** av) { native_stack_options opts; auto vnet = create_virtio_net_device(opts.virtio_opts, opts.lro); interface netif(std::move(vnet)); ipv4 inet(&netif); inet.set_host_address(ipv4_address("192.168.122.2")); tcp_test tt(inet); (void)engine().when_started().then([&tt] { tt.run(); }); engine().run(); }