107 lines
2.2 KiB
C++
107 lines
2.2 KiB
C++
#include "asio.hpp"
|
|
#include <string>
|
|
#include <iostream>
|
|
#include "protocol_examples_common.h"
|
|
#include "esp_event.h"
|
|
#include "tcpip_adapter.h"
|
|
#include "nvs_flash.h"
|
|
|
|
using asio::ip::tcp;
|
|
|
|
class session
|
|
: public std::enable_shared_from_this<session>
|
|
{
|
|
public:
|
|
session(tcp::socket socket)
|
|
: socket_(std::move(socket))
|
|
{
|
|
}
|
|
|
|
void start()
|
|
{
|
|
do_read();
|
|
}
|
|
|
|
private:
|
|
void do_read()
|
|
{
|
|
auto self(shared_from_this());
|
|
socket_.async_read_some(asio::buffer(data_, max_length),
|
|
[this, self](std::error_code ec, std::size_t length)
|
|
{
|
|
if (!ec)
|
|
{
|
|
data_[length] = 0;
|
|
std::cout << data_ << std::endl;
|
|
do_write(length);
|
|
}
|
|
});
|
|
}
|
|
|
|
void do_write(std::size_t length)
|
|
{
|
|
auto self(shared_from_this());
|
|
asio::async_write(socket_, asio::buffer(data_, length),
|
|
[this, self](std::error_code ec, std::size_t length)
|
|
{
|
|
if (!ec)
|
|
{
|
|
do_read();
|
|
}
|
|
});
|
|
}
|
|
|
|
tcp::socket socket_;
|
|
enum { max_length = 1024 };
|
|
char data_[max_length];
|
|
};
|
|
|
|
class server
|
|
{
|
|
public:
|
|
server(asio::io_context& io_context, short port)
|
|
: acceptor_(io_context, tcp::endpoint(tcp::v4(), port))
|
|
{
|
|
do_accept();
|
|
}
|
|
|
|
private:
|
|
void do_accept()
|
|
{
|
|
acceptor_.async_accept(
|
|
[this](std::error_code ec, tcp::socket socket)
|
|
{
|
|
if (!ec)
|
|
{
|
|
std::make_shared<session>(std::move(socket))->start();
|
|
}
|
|
|
|
do_accept();
|
|
});
|
|
}
|
|
|
|
tcp::acceptor acceptor_;
|
|
};
|
|
|
|
|
|
extern "C" void app_main()
|
|
{
|
|
ESP_ERROR_CHECK(nvs_flash_init());
|
|
tcpip_adapter_init();
|
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
|
|
|
/* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
|
|
* Read "Establishing Wi-Fi or Ethernet Connection" section in
|
|
* examples/protocols/README.md for more information about this function.
|
|
*/
|
|
ESP_ERROR_CHECK(example_connect());
|
|
|
|
/* This helper function configures blocking UART I/O */
|
|
ESP_ERROR_CHECK(example_configure_stdin_stdout());
|
|
|
|
asio::io_context io_context;
|
|
|
|
server s(io_context, std::atoi(CONFIG_EXAMPLE_PORT));
|
|
|
|
io_context.run();
|
|
} |