std::cout
bind 可以增加引用计数的话，这个位置 conn 的引用计数应该是 2 吧，因为 start_accept 运行完毕后，引用计数要减 1
//
// server.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include
#include
#include
#include
#include
#include
#include
using boost::asio::ip::tcp;
std::string make_daytime_string()
{
using namespace std; // For time_t, time and ctime;
time_t now = time(0);
return ctime(&now);
}
class tcp_connection
: public boost::enable_shared_from_this
{
public:
typedef boost::shared_ptr pointer;
static pointer create(boost::asio::io_context& io_context)
{
return pointer(new tcp_connection(io_context));
}
tcp::socket& socket()
{
return socket_;
}
void start()
{
message_ = make_daytime_string();
boost::asio::async_write(socket_, boost::asio::buffer(message_),
boost::bind(&tcp_connection::handle_write, shared_from_this(),
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred));
}
~tcp_connection() { std::cout socket(),
boost::bind(&tcp_server::handle_accept, this, new_connection,
boost::asio::placeholders::error));
std::cout start();
}
start_accept();
std::cout
[ol]
[/ol]
输出为：
1: 1
2: 2
3: 3
1: 1
2: 2
4: 4
conn descontruct
