76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright (C) 2014 Cloudius Systems, Ltd.
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*/
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#include <seastar/net/ip.hh>
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#include <seastar/net/virtio.hh>
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#include <seastar/net/tcp.hh>
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#include <seastar/net/native-stack.hh>
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#include <seastar/core/reactor.hh>
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#include <fmt/printf.h>
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using namespace seastar;
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using namespace net;
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struct tcp_test {
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ipv4& inet;
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using tcp = net::tcp<ipv4_traits>;
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tcp::listener _listener;
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struct connection {
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tcp::connection tcp_conn;
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explicit connection(tcp::connection tc) : tcp_conn(std::move(tc)) {}
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void run() {
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// Read packets and echo back in the background.
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(void)tcp_conn.wait_for_data().then([this] {
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auto p = tcp_conn.read();
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if (!p.len()) {
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tcp_conn.close_write();
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return;
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}
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fmt::print("read {:d} bytes\n", p.len());
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(void)tcp_conn.send(std::move(p));
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run();
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});
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}
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};
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tcp_test(ipv4& inet) : inet(inet), _listener(inet.get_tcp().listen(10000)) {}
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void run() {
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// Run all connections in the background.
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(void)_listener.accept().then([this] (tcp::connection conn) {
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(new connection(std::move(conn)))->run();
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run();
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});
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}
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};
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int main(int ac, char** av) {
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native_stack_options opts;
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auto vnet = create_virtio_net_device(opts.virtio_opts, opts.lro);
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interface netif(std::move(vnet));
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ipv4 inet(&netif);
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inet.set_host_address(ipv4_address("192.168.122.2"));
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tcp_test tt(inet);
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(void)engine().when_started().then([&tt] { tt.run(); });
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engine().run();
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}
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