55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/*
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* Copyright (C) 2014 Cloudius Systems, Ltd.
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*/
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#include "core/smp.hh"
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#include "core/app-template.hh"
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#include "core/future-util.hh"
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using namespace net;
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using namespace std::chrono_literals;
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class udp_server {
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private:
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udp_channel _chan;
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timer<> _stats_timer;
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uint64_t _n_sent {};
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public:
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void start(uint16_t port) {
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ipv4_addr listen_addr{port};
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_chan = engine.net().make_udp_channel(listen_addr);
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_stats_timer.set_callback([this] {
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std::cout << "Out: " << _n_sent << " pps" << std::endl;
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_n_sent = 0;
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});
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_stats_timer.arm_periodic(1s);
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keep_doing([this] {
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return _chan.receive().then([this] (udp_datagram dgram) {
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return _chan.send(dgram.get_src(), std::move(dgram.get_data())).then([this] {
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_n_sent++;
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});
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});
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});
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}
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};
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namespace bpo = boost::program_options;
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int main(int ac, char ** av) {
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app_template app;
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app.add_options()
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("port", bpo::value<uint16_t>()->default_value(10000), "UDP server port") ;
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return app.run(ac, av, [&] {
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auto&& config = app.configuration();
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uint16_t port = config["port"].as<uint16_t>();
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auto server = new distributed<udp_server>;
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server->start().then([server = std::move(server), port] () mutable {
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server->invoke_on_all(&udp_server::start, port);
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}).then([port] {
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std::cout << "Seastar UDP server listening on port " << port << " ...\n";
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});
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});
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}
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