agent-enviroments/builder/libs/seastar/demos/tcp_sctp_client_demo.cc
2024-09-10 17:06:08 +03:00

280 lines
10 KiB
C++

/*
* 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 <iostream>
#include <seastar/core/app-template.hh>
#include <seastar/core/reactor.hh>
#include <seastar/core/distributed.hh>
#include <seastar/core/print.hh>
#include <seastar/core/units.hh>
using namespace seastar;
using namespace net;
using namespace std::chrono_literals;
static int rx_msg_size = 4_KiB;
static int tx_msg_total_size = 100_MiB;
static int tx_msg_size = 4_KiB;
static int tx_msg_nr = tx_msg_total_size / tx_msg_size;
static std::string str_txbuf(tx_msg_size, 'X');
class client;
distributed<client> clients;
transport protocol = transport::TCP;
class client {
private:
static constexpr unsigned _pings_per_connection = 10000;
unsigned _total_pings;
unsigned _concurrent_connections;
ipv4_addr _server_addr;
std::string _test;
lowres_clock::time_point _earliest_started = lowres_clock::time_point::max();
lowres_clock::time_point _latest_finished = lowres_clock::time_point::min();
size_t _processed_bytes;
unsigned _num_reported;
public:
class connection {
connected_socket _fd;
input_stream<char> _read_buf;
output_stream<char> _write_buf;
size_t _bytes_read = 0;
size_t _bytes_write = 0;
public:
connection(connected_socket&& fd)
: _fd(std::move(fd))
, _read_buf(_fd.input())
, _write_buf(_fd.output()) {}
future<> do_read() {
return _read_buf.read_exactly(rx_msg_size).then([this] (temporary_buffer<char> buf) {
_bytes_read += buf.size();
if (buf.size() == 0) {
return make_ready_future();
} else {
return do_read();
}
});
}
future<> do_write(int end) {
if (end == 0) {
return make_ready_future();
}
return _write_buf.write(str_txbuf).then([this] {
_bytes_write += tx_msg_size;
return _write_buf.flush();
}).then([this, end] {
return do_write(end - 1);
});
}
future<> ping(int times) {
return _write_buf.write("ping").then([this] {
return _write_buf.flush();
}).then([this, times] {
return _read_buf.read_exactly(4).then([this, times] (temporary_buffer<char> buf) {
if (buf.size() != 4) {
fmt::print(std::cerr, "illegal packet received: {}\n", buf.size());
return make_ready_future();
}
auto str = std::string(buf.get(), buf.size());
if (str != "pong") {
fmt::print(std::cerr, "illegal packet received: {}\n", buf.size());
return make_ready_future();
}
if (times > 0) {
return ping(times - 1);
} else {
return make_ready_future();
}
});
});
}
future<size_t> rxrx() {
return _write_buf.write("rxrx").then([this] {
return _write_buf.flush();
}).then([this] {
return do_write(tx_msg_nr).then([this] {
return _write_buf.close();
}).then([this] {
return make_ready_future<size_t>(_bytes_write);
});
});
}
future<size_t> txtx() {
return _write_buf.write("txtx").then([this] {
return _write_buf.flush();
}).then([this] {
return do_read().then([this] {
return make_ready_future<size_t>(_bytes_read);
});
});
}
};
future<> ping_test(connection *conn) {
auto started = lowres_clock::now();
return conn->ping(_pings_per_connection).then([started] {
auto finished = lowres_clock::now();
(void)clients.invoke_on(0, &client::ping_report, started, finished);
});
}
future<> rxrx_test(connection *conn) {
auto started = lowres_clock::now();
return conn->rxrx().then([started] (size_t bytes) {
auto finished = lowres_clock::now();
(void)clients.invoke_on(0, &client::rxtx_report, started, finished, bytes);
});
}
future<> txtx_test(connection *conn) {
auto started = lowres_clock::now();
return conn->txtx().then([started] (size_t bytes) {
auto finished = lowres_clock::now();
(void)clients.invoke_on(0, &client::rxtx_report, started, finished, bytes);
});
}
void ping_report(lowres_clock::time_point started, lowres_clock::time_point finished) {
if (_earliest_started > started)
_earliest_started = started;
if (_latest_finished < finished)
_latest_finished = finished;
if (++_num_reported == _concurrent_connections) {
auto elapsed = _latest_finished - _earliest_started;
auto usecs = std::chrono::duration_cast<std::chrono::microseconds>(elapsed).count();
auto secs = static_cast<double>(usecs) / static_cast<double>(1000 * 1000);
fmt::print(std::cout, "========== ping ============\n");
fmt::print(std::cout, "Server: {}\n", _server_addr);
fmt::print(std::cout,"Connections: {}\n", _concurrent_connections);
fmt::print(std::cout, "Total PingPong: {}\n", _total_pings);
fmt::print(std::cout, "Total Time(Secs): {}\n", secs);
fmt::print(std::cout, "Requests/Sec: {}\n",
static_cast<double>(_total_pings) / secs);
(void)clients.stop().then([] {
engine().exit(0);
});
}
}
void rxtx_report(lowres_clock::time_point started, lowres_clock::time_point finished, size_t bytes) {
if (_earliest_started > started)
_earliest_started = started;
if (_latest_finished < finished)
_latest_finished = finished;
_processed_bytes += bytes;
if (++_num_reported == _concurrent_connections) {
auto elapsed = _latest_finished - _earliest_started;
auto usecs = std::chrono::duration_cast<std::chrono::microseconds>(elapsed).count();
auto secs = static_cast<double>(usecs) / static_cast<double>(1000 * 1000);
fmt::print(std::cout, "========== {} ============\n", _test);
fmt::print(std::cout, "Server: {}\n", _server_addr);
fmt::print(std::cout, "Connections: {}\n", _concurrent_connections);
fmt::print(std::cout, "Bytes Received(MiB): {}\n", _processed_bytes / 1_MiB);
fmt::print(std::cout, "Total Time(Secs): {}\n", secs);
fmt::print(std::cout, "Bandwidth(Gbits/Sec): {}\n",
static_cast<double>((_processed_bytes * 8)) / (1000 * 1000 * 1000) / secs);
(void)clients.stop().then([] {
engine().exit(0);
});
}
}
future<> start(ipv4_addr server_addr, std::string test, unsigned ncon) {
_server_addr = server_addr;
_concurrent_connections = ncon * smp::count;
_total_pings = _pings_per_connection * _concurrent_connections;
_test = test;
for (unsigned i = 0; i < ncon; i++) {
socket_address local = socket_address(::sockaddr_in{AF_INET, INADDR_ANY, {0}});
(void)connect(make_ipv4_address(server_addr), local, protocol).then([this, test] (connected_socket fd) {
auto conn = new connection(std::move(fd));
(void)(this->*tests.at(test))(conn).then_wrapped([conn] (auto&& f) {
delete conn;
try {
f.get();
} catch (std::exception& ex) {
fmt::print(std::cerr, "request error: {}\n", ex.what());
}
});
});
}
return make_ready_future();
}
future<> stop() {
return make_ready_future();
}
typedef future<> (client::*test_fn)(connection *conn);
static const std::map<std::string, test_fn> tests;
};
namespace bpo = boost::program_options;
int main(int ac, char ** av) {
app_template app;
app.add_options()
("server", bpo::value<std::string>()->required(), "Server address")
("test", bpo::value<std::string>()->default_value("ping"), "test type(ping | rxrx | txtx)")
("conn", bpo::value<unsigned>()->default_value(16), "nr connections per cpu")
("proto", bpo::value<std::string>()->default_value("tcp"), "transport protocol tcp|sctp")
;
return app.run_deprecated(ac, av, [&app] {
auto&& config = app.configuration();
auto server = config["server"].as<std::string>();
auto test = config["test"].as<std::string>();
auto ncon = config["conn"].as<unsigned>();
auto proto = config["proto"].as<std::string>();
if (proto == "tcp") {
protocol = transport::TCP;
} else if (proto == "sctp") {
protocol = transport::SCTP;
} else {
fmt::print(std::cerr, "Error: --proto=tcp|sctp\n");
return engine().exit(1);
}
if (!client::tests.count(test)) {
fmt::print(std::cerr, "Error: -test=ping | rxrx | txtx\n");
return engine().exit(1);
}
(void)clients.start().then([server, test, ncon] () {
return clients.invoke_on_all(&client::start, ipv4_addr{server}, test, ncon);
});
});
}
const std::map<std::string, client::test_fn> client::tests = {
{"ping", &client::ping_test},
{"rxrx", &client::rxrx_test},
{"txtx", &client::txtx_test},
};