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echo_server_client.cpp
64 lines (51 loc) · 1.67 KB
/
echo_server_client.cpp
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/* Copyright (c) 2018-2022 Marcelo Zimbres Silva (mzimbres@gmail.com)
*
* Distributed under the Boost Software License, Version 1.0. (See
* accompanying file LICENSE.txt)
*/
#include <iostream>
#include <boost/asio.hpp>
namespace net = boost::asio;
using net::ip::tcp;
using tcp_socket = net::use_awaitable_t<>::as_default_on_t<net::ip::tcp::socket>;
using timer_type = net::use_awaitable_t<>::as_default_on_t<net::steady_timer>;
net::awaitable<void>
example(boost::asio::ip::tcp::endpoint ep, std::string msg, int n)
{
try {
auto ex = co_await net::this_coro::executor;
tcp_socket socket{ex};
co_await socket.async_connect(ep);
std::string buffer;
auto dbuffer = net::dynamic_buffer(buffer);
for (int i = 0; i < n; ++i) {
co_await net::async_write(socket, net::buffer(msg));
auto n = co_await net::async_read_until(socket, dbuffer, "\n");
//std::printf("> %s", buffer.data());
dbuffer.consume(n);
}
//std::printf("Ok: %s", msg.data());
} catch (std::exception const& e) {
std::cerr << "Error: " << e.what() << std::endl;
}
}
int main(int argc, char* argv[])
{
try {
int sessions = 1;
int msgs = 1;
if (argc == 3) {
sessions = std::stoi(argv[1]);
msgs = std::stoi(argv[2]);
}
net::io_context ioc;
tcp::resolver resv{ioc};
auto const res = resv.resolve("127.0.0.1", "55555");
auto ep = *std::begin(res);
for (int i = 0; i < sessions; ++i)
net::co_spawn(ioc, example(ep, "Some message\n", msgs), net::detached);
ioc.run();
} catch (std::exception const& e) {
std::cerr << e.what() << std::endl;
}
}