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/*
* 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 <seastar/core/app-template.hh>
#include <seastar/core/seastar.hh>
#include <seastar/core/timer.hh>
#include <seastar/net/api.hh>
#include <iostream>
using namespace seastar;
using namespace net;
using namespace std::chrono_literals;
class client {
private:
udp_channel _chan;
uint64_t n_sent {};
uint64_t n_received {};
uint64_t n_failed {};
timer<> _stats_timer;
public:
void start(ipv4_addr server_addr) {
std::cout << "Sending to " << server_addr << std::endl;
_chan = make_udp_channel();
_stats_timer.set_callback([this] {
std::cout << "Out: " << n_sent << " pps, \t";
std::cout << "Err: " << n_failed << " pps, \t";
std::cout << "In: " << n_received << " pps" << std::endl;
n_sent = 0;
n_received = 0;
n_failed = 0;
});
_stats_timer.arm_periodic(1s);
// Run sender in background.
(void)keep_doing([this, server_addr] {
return _chan.send(server_addr, "hello!\n")
.then_wrapped([this] (auto&& f) {
try {
f.get();
n_sent++;
} catch (...) {
n_failed++;
}
});
});
// Run receiver in background.
(void)keep_doing([this] {
return _chan.receive().then([this] (auto) {
n_received++;
});
});
}
};
namespace bpo = boost::program_options;
int main(int ac, char ** av) {
client _client;
app_template app;
app.add_options()
("server", bpo::value<std::string>(), "Server address")
;
return app.run_deprecated(ac, av, [&_client, &app] {
auto&& config = app.configuration();
_client.start(config["server"].as<std::string>());
});
}
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