int
ACE_SOCK_Dgram_Mcast::open_i (const ACE_INET_Addr &mcast_addr,
const ACE_TCHAR *net_if,
int reuse_addr)
{
ACE_TRACE ("ACE_SOCK_Dgram_Mcast::open_i");
// ACE_SOCK::open calls this if reuse_addr is set, so we only need to
// process port reuse option.
if (reuse_addr)
{
#if defined (SO_REUSEPORT)
int one = 1;
if (this->ACE_SOCK::set_option (SOL_SOCKET,
SO_REUSEPORT,
&one,
sizeof one) == -1)
return -1;
#endif /* SO_REUSEPORT */
}
// Create an address/port# to bind the socket to. Use mcast_addr to
// initialize bind_addy to pick up the correct protocol family. If
// OPT_BINDADDR_YES is set, then we're done. Else use mcast_addr's
// port number and use the "any" address.
ACE_INET_Addr bind_addy (mcast_addr);
if (ACE_BIT_DISABLED (this->opts_, OPT_BINDADDR_YES))
{
#if defined (ACE_HAS_IPV6)
if (mcast_addr.get_type () == PF_INET6)
{
if (bind_addy.set (mcast_addr.get_port_number (), "::",
1, AF_INET6) == -1)
return -1;
}
else
// Bind to "any" address and explicit port#.
if (bind_addy.set (mcast_addr.get_port_number ()) == -1)
return -1;
#else
// Bind to "any" address and explicit port#.
if (bind_addy.set (mcast_addr.get_port_number ()) == -1)
return -1;
#endif /* ACE_HAS_IPV6 */
}
// Bind to the address (which may be INADDR_ANY) and port# (which may be 0)
if (ACE_SOCK_Dgram::shared_open (bind_addy, bind_addy.get_type ()) == -1)
return -1;
// Cache the actual bound address (which may be INADDR_ANY)
// and the actual bound port# (which will be a valid, non-zero port#).
ACE_INET_Addr bound_addy;
if (this->get_local_addr (bound_addy) == -1)
{
// (Unexpected failure - should be bound to something)
if (bound_addy.set (bind_addy) == -1)
{
// (Shouldn't happen - bind_addy is a valid addy; punt.)
return -1;
}
}
this->send_addr_ = mcast_addr;
this->send_addr_.set_port_number (bound_addy.get_port_number ());
if (net_if)
{
if (this->set_nic (net_if, mcast_addr.get_type ()))
return -1;
this->send_net_if_ = new ACE_TCHAR[ACE_OS::strlen (net_if) + 1];
ACE_OS::strcpy (this->send_net_if_, net_if);
}
return 0;
}
int
ACE_SOCK_Dgram_Mcast::open_i (const ACE_INET_Addr &mcast_addr,
const ACE_TCHAR *net_if,
int reuse_addr)
{
ACE_TRACE ("ACE_SOCK_Dgram_Mcast::open_i");
// ACE_SOCK::open calls this if reuse_addr is set, so we only need to
// process port reuse option.
if (reuse_addr)
{
#if defined (SO_REUSEPORT)
int one = 1;
if (this->ACE_SOCK::set_option (SOL_SOCKET,
SO_REUSEPORT,
&one,
sizeof one) == -1)
return -1;
#endif /* SO_REUSEPORT */
}
// Create an address/port# to bind the socket to. Use mcast_addr to
// initialize bind_addy to pick up the correct protocol family. If
// OPT_BINDADDR_YES is set, then we're done. Else use mcast_addr's
// port number and use the "any" address.
ACE_INET_Addr bind_addy (mcast_addr);
if (ACE_BIT_DISABLED (this->opts_, OPT_BINDADDR_YES))
{
#if defined (ACE_HAS_IPV6)
if (mcast_addr.get_type () == PF_INET6)
{
if (bind_addy.set (mcast_addr.get_port_number (), "::",
1, AF_INET6) == -1)
return -1;
}
else
// Bind to "any" address and explicit port#.
if (bind_addy.set (mcast_addr.get_port_number ()) == -1)
return -1;
#else
// Bind to "any" address and explicit port#.
if (bind_addy.set (mcast_addr.get_port_number ()) == -1)
return -1;
#endif /* ACE_HAS_IPV6 */
}
// Bind to the address (which may be INADDR_ANY) and port# (which may be 0)
if (ACE_SOCK_Dgram::shared_open (bind_addy, bind_addy.get_type ()) == -1)
return -1;
// Cache the actual bound address (which may be INADDR_ANY)
// and the actual bound port# (which will be a valid, non-zero port#).
ACE_INET_Addr bound_addy;
if (this->get_local_addr (bound_addy) == -1)
{
// (Unexpected failure - should be bound to something)
if (bound_addy.set (bind_addy) == -1)
{
// (Shouldn't happen - bind_addy is a valid addy; punt.)
return -1;
}
}
this->send_addr_ = mcast_addr;
this->send_addr_.set_port_number (bound_addy.get_port_number ());
if (net_if)
{
#if defined (IP_MULTICAST_IF) && (IP_MULTICAST_IF != 0)
#if defined (__linux__) && defined (ACE_HAS_IPV6)
if (mcast_addr.get_type () == AF_INET6)
{
ipv6_mreq send_mreq;
if (this->make_multicast_ifaddr6 (&send_mreq,
mcast_addr,
net_if) == -1)
return -1;
if (this->ACE_SOCK::set_option
(IPPROTO_IPV6, IPV6_MULTICAST_IF,
&(send_mreq.ipv6mr_interface),
sizeof send_mreq.ipv6mr_interface) == -1)
return -1;
}
else
{
ip_mreq send_mreq;
if (this->make_multicast_ifaddr (&send_mreq,
mcast_addr,
net_if) == -1)
return -1;
if (this->ACE_SOCK::set_option (IPPROTO_IP,
IP_MULTICAST_IF,
&(send_mreq.imr_interface),
sizeof send_mreq.imr_interface) == -1)
return -1;
}
#else
ip_mreq send_mreq;
if (this->make_multicast_ifaddr (&send_mreq,
mcast_addr,
net_if) == -1)
return -1;
if (this->ACE_SOCK::set_option (IPPROTO_IP,
IP_MULTICAST_IF,
&(send_mreq.imr_interface),
sizeof send_mreq.imr_interface) == -1)
return -1;
#endif /* __linux__ && ACE_HAS_IPV6 */
this->send_net_if_ = new ACE_TCHAR[ACE_OS::strlen (net_if) + 1];
ACE_OS::strcpy (this->send_net_if_, net_if);
#else
// Send interface option not supported - ignore it.
// (We may have been invoked by ::subscribe, so we have to allow
// a non-null interface parameter in this function.)
ACE_DEBUG ((LM_DEBUG,
ACE_LIB_TEXT ("Send interface specification not ")
ACE_LIB_TEXT ("supported - IGNORED.\n")));
#endif // IP_MULTICAST_IF
}
return 0;
}
