Function socket_bind

libhsclient/socket.cpp:139–171

}

int
socket_bind(auto_file& fd, const socket_args& args, std::string& err_r)
{
  fd.reset(socket(args.family, args.socktype, args.protocol));
  if (fd.get() < 0) {
    return errno_string("socket", errno, err_r);
  }
  if (args.reuseaddr) {
    if (args.family == AF_UNIX) {
      const sockaddr_un *const ap =
	reinterpret_cast<const sockaddr_un *>(&args.addr);
      if (unlink(ap->sun_path) != 0 && errno != ENOENT) {
	return errno_string("unlink uds", errno, err_r);
      }
    } else {
      int v = 1;
      if (setsockopt(fd.get(), SOL_SOCKET, SO_REUSEADDR, &v, sizeof(v)) != 0) {
	return errno_string("setsockopt SO_REUSEADDR", errno, err_r);
      }
    }
  }
  if (bind(fd.get(), reinterpret_cast<const sockaddr *>(&args.addr),
    args.addrlen) != 0) {
    return errno_string("bind", errno, err_r);
  }
  if (listen(fd.get(), args.listen_backlog) != 0) {
    return errno_string("listen", errno, err_r);
  }
  if (args.nonblocking && fcntl(fd.get(), F_SETFL, O_NONBLOCK) != 0) {
    return errno_string("fcntl O_NONBLOCK", errno, err_r);
  }
  return 0;
}

int
socket_accept(int listen_fd, auto_file& fd, const socket_args& args,