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//
// $Id$
//
#include "ace/streams.h"
#include "CosNaming_i.h"
#include "Naming_Service.h"
// This is a startup for the naming server.
// This is used for testing of the Naming Service.
ACE_HANDLE
IOR_Multicast::get_handle (void) const
{
return this->mcast_dgram_.get_handle ();
}
IOR_Multicast::IOR_Multicast (char * ior,
u_short port,
const char *mcast_addr)
: mcast_addr_ (port, mcast_addr),
ior_ (ior),
response_ (response_addr_)
{
// Use ACE_SOCK_Dgram_Mcast factory to subscribe to multicast group.
if (this->mcast_dgram_.subscribe (this->mcast_addr_) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "subscribe"));
}
// destructor
IOR_Multicast::~IOR_Multicast (void)
{
this->mcast_dgram_.unsubscribe ();
}
int
IOR_Multicast::handle_timeout (const ACE_Time_Value &,
const void *)
{
return 0;
}
int
IOR_Multicast::handle_input (ACE_HANDLE)
{
ssize_t retcode =
this->mcast_dgram_.recv (this->buf_,
BUFSIZ,
this->remote_addr_);
if (retcode == -1)
return -1;
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 (CORBA::Short))
{
ACE_ERROR_RETURN ((LM_ERROR,
"Reply to multicast not sent. Received %d bytes, expected %d.",
retcode,
sizeof(CORBA::Short)), -1);
}
// convert port number received to network byte order.
CORBA::Short reply_port_number = ntohs (*(CORBA::Short *)this->buf_);
// set port number to reply.
this->remote_addr_.set_port_number (reply_port_number);
// send the object reference for the naming service
retcode = response_.send (this->ior_,
ACE_OS::strlen (this->ior_) + 1,
this->remote_addr_,
0);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) ior_: <%s>\n"
" sent through port %u.\n"
"retcode=%d\n",
this->ior_,
this->remote_addr_.get_port_number (),
retcode));
if (retcode == -1)
return -1;
return 0;
}
int
main (int argc, char ** argv)
{
TAO_TRY
{
CORBA::ORB_var orb = CORBA::ORB_init (argc,
argv,
"internet",
TAO_TRY_ENV);
TAO_CHECK_ENV;
// Initialize the Object Adapter
CORBA::Object_var poa_object =
orb->resolve_initial_references("RootPOA");
if (poa_object == 0)
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to initialize the POA.\n"),
1);
PortableServer::POA_var root_poa =
PortableServer::POA::_narrow (poa_object, TAO_TRY_ENV);
TAO_CHECK_ENV;
PortableServer::POAManager_var poa_manager =
root_poa->the_POAManager (TAO_TRY_ENV);
TAO_CHECK_ENV;
// We use a different POA. The RootPOA lifespan policy is
// "TRANSIENT", hence whatever object key we export (for
// instance in an environment variable) is invalid next time we
// run. To avoid this (and make the user life easier) we create
// a new POA:
PortableServer::PolicyList policies (2);
policies.length (2);
policies[0] =
root_poa->create_id_assignment_policy (PortableServer::USER_ID,
TAO_TRY_ENV);
policies[1] =
root_poa->create_lifespan_policy (PortableServer::PERSISTENT,
TAO_TRY_ENV);
PortableServer::POA_var good_poa =
root_poa->create_POA ("RootPOA_is_BAD",
poa_manager.in (),
policies,
TAO_TRY_ENV);
TAO_CHECK_ENV;
// Create a naming context object.
NS_NamingContext naming_context_impl;
PortableServer::ObjectId_var id =
PortableServer::string_to_ObjectId ("NameService");
good_poa->activate_object_with_id (id.in (),
&naming_context_impl,
TAO_TRY_ENV);
TAO_CHECK_ENV;
// Stringify the objref we'll be implementing, and print it to
// stdout. Someone will take that string and give it to a
// client. Then release the object.
CORBA::Object_var obj =
good_poa->id_to_reference (id.in (), TAO_TRY_ENV);
TAO_CHECK_ENV;
CORBA::String_var str =
orb->object_to_string (obj.in (),
TAO_TRY_ENV);
TAO_CHECK_ENV;
ACE_DEBUG ((LM_DEBUG, "listening as object <%s>\n", str.in ()));
#if defined (ACE_HAS_IP_MULTICAST)
// get reactor instance from TAO
ACE_Reactor *reactor = TAO_ORB_Core_instance ()->reactor ();
// First, see if the user has given us a multicast port number
// for the name service on the command-line;
u_short port = TAO_ORB_Core_instance ()->orb_params ()->name_service_port ();
if (port == 0)
{
const char *port_number = ACE_OS::getenv ("NameServicePort");
if (port_number != 0)
port = ACE_OS::atoi (port_number);
}
if (port == 0)
port = TAO_DEFAULT_NAME_SERVER_REQUEST_PORT;
// Instantiate a server which will receive requests for an ior
IOR_Multicast ior_multicast (str,
port,
ACE_DEFAULT_MULTICAST_ADDR);
// register event handler for the ior multicast.
if (reactor->register_handler (&ior_multicast,
ACE_Event_Handler::READ_MASK) == -1)
ACE_ERROR ((LM_ERROR, "%p\n%a", "register_handler", 1));
ACE_DEBUG ((LM_DEBUG, "The multicast server setup is done.\n"));
#endif /* ACE_HAS_IP_MULTICAST */
poa_manager->activate (TAO_TRY_ENV);
TAO_CHECK_ENV;
// Handle requests for this object until we're killed, or one of
// the methods asks us to exit.
if (orb->run () == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "run"), -1);
root_poa->destroy (CORBA::B_TRUE,
CORBA::B_TRUE,
TAO_TRY_ENV);
TAO_CHECK_ENV;
}
TAO_CATCHANY
{
TAO_TRY_ENV.print_exception ("Naming Service");
return 1;
}
TAO_ENDTRY;
return 0;
}
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