Check port availability with boost - c++

Question

I'm trying to check whether port on my pc is available or not. But this code crashes after the acceptor.listen();. Crash stack trace stops at:
detail/impl/win_iocp_socket_service_base.ipp
My code is:
try {
boost::asio::io_service io_service;
boost::asio::ip::tcp::acceptor acceptor(io_service);
boost::asio::ip::tcp::endpoint endpoint(boost::asio::ip::address::from_string("127.0.0.1"), port);
acceptor.open(endpoint.protocol());
acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(false));
acceptor.bind(endpoint);
acceptor.listen();
}
catch (...) {
// port busy
}
How can I check this with boost or where is the problem in my code?
UPD1: I tried following code from here:
bool port_in_use(unsigned short port) {
using namespace boost::asio;
using ip::tcp;
io_service svc;
tcp::acceptor a(svc);
boost::system::error_code ec;
a.open(tcp::v4(), ec) || a.bind({ tcp::v4(), port }, ec);
return ec == error::address_in_use;
}
but after function executes, my program crashes still in same place.

Answer 1

Well, I found how to do this in windows (from link):
#ifndef UNICODE
#define UNICODE
#endif
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdio.h>
// Need to link with Ws2_32.lib
#pragma comment(lib, "ws2_32.lib")
int wmain()
{
//----------------------
// Initialize Winsock
WSADATA wsaData;
int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != NO_ERROR) {
wprintf(L"WSAStartup function failed with error: %d\n", iResult);
return 1;
}
//----------------------
// Create a SOCKET for connecting to server
SOCKET ConnectSocket;
ConnectSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (ConnectSocket == INVALID_SOCKET) {
wprintf(L"socket function failed with error: %ld\n", WSAGetLastError());
WSACleanup();
return 1;
}
//----------------------
// The sockaddr_in structure specifies the address family,
// IP address, and port of the server to be connected to.
sockaddr_in clientService;
clientService.sin_family = AF_INET;
clientService.sin_addr.s_addr = inet_addr("127.0.0.1");
clientService.sin_port = htons(27015);
//----------------------
// Connect to server.
iResult = connect(ConnectSocket, (SOCKADDR *) & clientService, sizeof (clientService));
if (iResult == SOCKET_ERROR) {
wprintf(L"connect function failed with error: %ld\n", WSAGetLastError());
iResult = closesocket(ConnectSocket);
if (iResult == SOCKET_ERROR)
wprintf(L"closesocket function failed with error: %ld\n", WSAGetLastError());
WSACleanup();
return 1;
}
wprintf(L"Connected to server.\n");
iResult = closesocket(ConnectSocket);
if (iResult == SOCKET_ERROR) {
wprintf(L"closesocket function failed with error: %ld\n", WSAGetLastError());
WSACleanup();
return 1;
}
WSACleanup();
return 0;
}