#include <cstdlib>
#include <iostream>
#include <boost/bind.hpp>
#include <boost/smart_ptr.hpp>
#include "asio.hpp"
using asio::ip::tcp;
const int max_length = 1024;
typedef boost::shared_ptr<tcp::socket> socket_ptr;
void session(socket_ptr sock)
{
try
{
for (;;)
{
char data[max_length];
asio::error error;
size_t length = sock->read_some(
asio::buffer(data), asio::assign_error(error));
if (error == asio::error::eof)
break;
else if (error)
throw error;
asio::write(*sock, asio::buffer(data, length));
}
}
catch (asio::error& e)
{
std::cerr << "Error in thread: " << e << "\n";
}
catch (std::exception& e)
{
std::cerr << "Exception in thread: " << e.what() << "\n";
}
}
void server(asio::io_service& io_service, short port)
{
tcp::acceptor a(io_service, tcp::endpoint(tcp::v4(), port));
for (;;)
{
socket_ptr sock(new tcp::socket(io_service));
a.accept(*sock);
asio::thread t(boost::bind(session, sock));
}
}
int main(int argc, char* argv[])
{
try
{
if (argc != 2)
{
std::cerr << "Usage: blocking_tcp_echo_server <port>\n";
return 1;
}
asio::io_service io_service;
using namespace std;
server(io_service, atoi(argv[1]));
}
catch (asio::error& e)
{
std::cerr << e << "\n";
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << "\n";
}
return 0;
}