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
}
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);
}
}