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// $Id$
#include "IOR_Multicast.h"
ACE_RCSID(orbsvcs, IOR_Multicast, "$Id$")
ACE_HANDLE
TAO_IOR_Multicast::get_handle (void) const
{
return this->mcast_dgram_.get_handle ();
}
TAO_IOR_Multicast::TAO_IOR_Multicast (void)
: service_id_ ((TAO_Service_ID) 0),
ior_ (0)
{
}
TAO_IOR_Multicast::TAO_IOR_Multicast (const char *ior,
u_short port,
const char *mcast_addr,
TAO_Service_ID service_id)
{
if (this->init (ior, port, mcast_addr, service_id) == -1)
ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("TAO_IOR_Multicast")));
}
// destructor
TAO_IOR_Multicast::~TAO_IOR_Multicast (void)
{
this->mcast_dgram_.unsubscribe ();
}
int
TAO_IOR_Multicast::init (const char *ior,
u_short port,
const char *mcast_addr,
TAO_Service_ID service_id)
{
this->service_id_ = service_id;
this->mcast_addr_.set (port, mcast_addr);
this->ior_ = ior;
this->response_addr_.set ((u_short) 0);
this->response_.open (this->response_addr_);
// Use ACE_SOCK_Dgram_Mcast factory to subscribe to multicast group.
if (this->mcast_dgram_.subscribe (this->mcast_addr_) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "subscribe"), -1);
return 0;
}
int
TAO_IOR_Multicast::handle_timeout (const ACE_Time_Value &,
const void *)
{
return 0;
}
int
TAO_IOR_Multicast::handle_input (ACE_HANDLE)
{
struct
{
u_short reply_port;
CORBA::Short service_id;
} mcast_info;
ACE_INET_Addr remote_addr;
ssize_t retcode =
this->mcast_dgram_.recv (&mcast_info,
sizeof (mcast_info),
remote_addr);
if (retcode == -1)
return -1;
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG, "(%P|%t) Received multicast.\n"));
// @@ validate data string received is from a valid client here
// @@ Probably not needed
if (retcode != sizeof (mcast_info))
ACE_ERROR_RETURN ((LM_ERROR,
"Reply to multicast not sent. Received %d bytes, expected %d.",
retcode,
sizeof (mcast_info)),
-1);
// Confirm that we were meant to respond to this request.
mcast_info.service_id = ntohs (mcast_info.service_id);
if (mcast_info.service_id == this->service_id_)
{
// Convert port number received to network byte order and set port
// number to reply;
mcast_info.reply_port = ntohs (mcast_info.reply_port);
remote_addr.set_port_number (mcast_info.reply_port);
// send the object reference for the naming service
retcode = response_.send (this->ior_,
ACE_OS::strlen (this->ior_) + 1,
remote_addr,
0);
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) ior_: <%s>\n"
" sent through port %u.\n"
"retcode=%d\n",
this->ior_,
remote_addr.get_port_number (),
retcode));
if (retcode == -1)
return -1;
}
else
{
ACE_DEBUG ((LM_DEBUG, "(%P|%t) Multicast was not for us."));
}
return 0;
}
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