#include <boost/asio.hpp>

#include <iostream>

using namespace std;

using namespace boost::asio;

void client(io_service &ios)

{

    try

    {

        cout << "client start." << endl;

        ip::tcp::socket sock(ios);

        ip::tcp::endpoint ep(ip::address::from_string("127.0.0.1"),);

        sock.connect(ep);

        vector<char> str(,);

        sock.read_some(buffer(str));

        cout << "receive from " << sock.remote_endpoint().address();

        cout << &str[] << endl;

    }

    catch (std::exception& e)

    {

        cout << e.what() << endl;

    }

}

void print(const boost::system::error_code&)

{

    cout << "test wait..." << endl;

}

int main()

{

    io_service ios;

    deadline_timer at(ios, boost::posix_time::seconds());

    at.async_wait(print);

    cout << "it show before at exired" <<endl;

    ios.run();

    return ;

}