main.cpp

#include "rdma/fabric.h"
#include "common/utils.hpp"
#include <iostream>
#include <memory>
#include <unistd.h> // gethostname

int main(int argc, const char *argv[]) {
  char hostname[1024];
  gethostname(hostname, sizeof(hostname));
  std::string host{hostname};
  std::cout << "Hostname: " << host << "\nSize: " << host.size() << "\n";

  const std::unique_ptr<fi_info, decltype(&fi_freeinfo)>
      hints_p(fi_allocinfo(), fi_freeinfo);
  hints_p->ep_attr->type = FI_EP_MSG;
  std::cout << "Hints:\n" << *hints_p;
  fi_info *info{nullptr};
  fi_getinfo(fi_version(),
             hostname,
             nullptr,
             0 /*FI_PROV_ATTR_ONLY*/,
             hints_p.get(),
             &info);
  std::cout << info << "\nAccess domains:\n";
  for (fi_info *begin = info, *end = nullptr; begin!=end;
       begin = begin->next) {
    std::cout << *begin << "\n";
  }
  fi_freeinfo(info); // Should free all the substructures
  return 0;
}