Exemple #1
0
bool DgramTwoWayStream::openMcast(const Contact& group,
                                  const Contact& ipLocal) {
#ifdef YARP_HAS_ACE
    multiMode = true;

    localAddress = ipLocal;
    localHandle = ACE_INET_Addr((u_short)(localAddress.getPort()),
                                (ACE_UINT32)INADDR_ANY);

    ACE_SOCK_Dgram_Mcast *dmcast = new ACE_SOCK_Dgram_Mcast;
    dgram = dmcast;
    mgram = dmcast;
    yAssert(dgram!=NULL);

    int result = -1;
    ACE_INET_Addr addr(group.getPort(),group.getHost().c_str());
    if (ipLocal.isValid()) {
        result = dmcast->open(addr,NULL,1);
        if (result==0) {
            result = restrictMcast(dmcast,group,ipLocal,false);
        }
    } else {
        result = dmcast->open(addr,NULL,1);
    }

    if (result!=0) {
        YARP_ERROR(Logger::get(),"could not open multicast datagram socket");
        return false;
    }

    configureSystemBuffers();

    remoteAddress = group;
    localHandle.set(localAddress.getPort(),localAddress.getHost().c_str());
    remoteHandle.set(remoteAddress.getPort(),remoteAddress.getHost().c_str());

    allocate();

    return true;
#else
    return false;
#endif
}
Exemple #2
0
void
TAO_ECG_Mcast_EH::add_new_subscriptions (Address_Set& multicast_addresses)
{
  typedef ACE_Unbounded_Set_Iterator<ACE_INET_Addr> Address_Iterator;
  for (Address_Iterator k = multicast_addresses.begin ();
       k != multicast_addresses.end ();
       ++k)
    {
      Subscription new_subscription;
      new_subscription.mcast_addr = *k;
      ACE_NEW (new_subscription.dgram, ACE_SOCK_Dgram_Mcast);

      size_t const subscriptions_size = this->subscriptions_.size ();
      this->subscriptions_.size (subscriptions_size + 1);
      this->subscriptions_[subscriptions_size] = new_subscription;

      ACE_SOCK_Dgram_Mcast *socket = new_subscription.dgram;

      if (socket->open (new_subscription.mcast_addr, this->net_if_, 1) == -1) {
        ORBSVCS_ERROR ((LM_ERROR,
                    "Error: %d - Unable to open multicast socket\n",
                    ACE_ERRNO_GET));
      }

      if ( socket->enable (ACE_NONBLOCK) != 0 ) {
        ORBSVCS_ERROR ((LM_ERROR,
                    "Error: %d - Unable to enable nonblocking on mcast_eh\n",
                    ACE_ERRNO_GET));
      }

      if (socket->join (new_subscription.mcast_addr, 1, this->net_if_) == -1) {
        ORBSVCS_ERROR ((LM_ERROR,
                    "Error: %d - Unable to join multicast group\n",
                    ACE_ERRNO_GET));
      }

      if (this->recvbuf_size_ != 0
          && (((ACE_SOCK_Dgram *)socket)->set_option(SOL_SOCKET,
                                                     SO_RCVBUF,
                                                     (void *) &this->recvbuf_size_,
                                                     sizeof (this->recvbuf_size_)) == -1)
          && errno != ENOTSUP )
        {
          ORBSVCS_ERROR ((LM_ERROR,
                      "Error: %d - Unable to set mcast_eh recvbuf_size:%d\n",
                      ACE_ERRNO_GET,
                      this->recvbuf_size_));
        }
      (void) this->reactor ()->register_handler (
                                         socket->get_handle (),
                                         this,
                                         ACE_Event_Handler::READ_MASK);
    }
}