int
TAO_ECG_Mcast_EH::delete_unwanted_subscriptions (
Address_Set& multicast_addresses)
{
for (size_t i = 0; i < this->subscriptions_.size (); ++i)
{
ACE_INET_Addr multicast_group = this->subscriptions_[i].mcast_addr;
if (multicast_addresses.find (multicast_group))
{
// Remove from the list of subscriptions to be added,
// because we already subscribe to it...
(void) multicast_addresses.remove (multicast_group);
continue;
}
// This subscription is no longer needed - remove from reactor,
// close and delete the socket.
ACE_SOCK_Dgram_Mcast *socket = this->subscriptions_[i].dgram;
(void) this->reactor ()->remove_handler (socket->get_handle (),
ACE_Event_Handler::READ_MASK);
(void) socket->close();
delete socket;
// Move the deleted subscription out of the <subscriptions_>
// array by moving the last subscription in array into its place.
this->subscriptions_[i] =
this->subscriptions_[this->subscriptions_.size () - 1];
this->subscriptions_.size (this->subscriptions_.size () - 1);
--i;
}
return 0;
}
int send_multicast (const ACE_INET_Addr &mcast_addr)
{
const char *message = "this is the message!\n";
ACE_SOCK_Dgram_Mcast udp;
if (-1 == udp.join (mcast_addr))
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"),
ACE_TEXT ("join")), -1);
ssize_t sent = udp.send (message,
ACE_OS::strlen (message) + 1);
udp.close ();
if (sent == -1)
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"),
ACE_TEXT ("send")), -1);
return 0;
}