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tcp_async_server.cpp
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56 lines (48 loc) · 1.45 KB
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#include <boost/asio.hpp>
#include <iostream>
#include <optional>
class session: public std::enable_shared_from_this<session> {
public:
session(boost::asio::ip::tcp::socket&& socket) :
socket(std::move(socket)) {}
void start() {
boost::asio::async_read_until(
socket,
streambuf,
'\n',
[self = shared_from_this()](
boost::system::error_code error,
std::size_t bytes_transferred) {
std::cout << std::istream(&self->streambuf).rdbuf();
});
}
private:
boost::asio::ip::tcp::socket socket;
boost::asio::streambuf streambuf;
};
class server {
public:
server(boost::asio::io_context& io_context, std::uint16_t port) :
io_context(io_context),
acceptor(
io_context,
boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port)) {}
void async_accept() {
socket.emplace(io_context);
acceptor.async_accept(*socket, [&](boost::system::error_code error) {
std::make_shared<session>(std::move(*socket))->start();
async_accept();
});
}
private:
boost::asio::io_context& io_context;
boost::asio::ip::tcp::acceptor acceptor;
std::optional<boost::asio::ip::tcp::socket> socket;
};
int main() {
boost::asio::io_context io_context;
server srv(io_context, 15001);
srv.async_accept();
io_context.run();
return 0;
}