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📄 av_core.cpp

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			    if (TAO_debug_level > 0) ACE_DEBUG ((LM_DEBUG,"TAO_AV_Core::init_forward_flows: remove_handler failed\n"));
			}
                    }
                  default:
                    break;
                  }
		// Now if the address_set has been changed due to the addition of a control entry we should
		// add that to the flow_spec_set also.
		if (flow_spec_set.find (entry) < 0)
		  {
		    // entry doesn't exist so add it.
		    flow_spec_set.insert (entry);
		  }
              }
          }

        AVStreams::flowSpec new_flowspec (ACE_static_cast (CORBA::ULong,
                                                   flow_spec_set.size ()));
        int i=0;
        TAO_AV_FlowSpecSetItor connect_end = address_flow_set.end ();
        TAO_AV_FlowSpecSetItor connect = address_flow_set.begin ();
        for (;connect != connect_end;  ++connect)
          {
            ACE_Addr *local_addr;
            ACE_Addr *local_control_addr;
            local_addr = (*connect)->get_local_addr ();
            local_control_addr = (*connect)->get_local_control_addr ();
            if (local_addr != 0)
              {
                TAO_Reverse_FlowSpec_Entry entry ((*connect)->flowname (),
                                                  (*connect)->direction_str (),
                                                  (*connect)->format (),
                                                  (*connect)->flow_protocol_str (),
                                                  (*connect)->carrier_protocol_str (),
                                                  local_addr,
                                                  local_control_addr);
		/*
		  ACE_Addr *addr;
		  if ((addr = (*connect)->get_peer_addr ()) != 0)
		  {
		  entry.set_peer_addr (addr);
		  };
		*/
                int len = new_flowspec.length ();
                if (i == len)
                  new_flowspec.length (len+1);
                new_flowspec [i++] = entry.entry_to_string ();
                if (TAO_debug_level > 0)
                  ACE_DEBUG ((LM_DEBUG, "reverse Flow Spec Is %s\n", entry.entry_to_string ()));
              }
          }
        connect_end = flow_set.end ();
        for (connect = flow_set.begin ();
             connect != connect_end;  ++connect)
          {
            ACE_Addr *local_addr;
            ACE_Addr *local_control_addr;
            local_addr = (*connect)->get_local_addr ();
            local_control_addr = (*connect)->get_local_control_addr ();
            if (local_addr != 0)
              {
                TAO_Reverse_FlowSpec_Entry entry ((*connect)->flowname (),
                                                  (*connect)->direction_str (),
                                                  (*connect)->format (),
                                                  (*connect)->flow_protocol_str (),
                                                  (*connect)->carrier_protocol_str (),
                                                  local_addr,
                                                  local_control_addr);

                int len = new_flowspec.length ();
                if (i == len)
                  new_flowspec.length (len+1);
                new_flowspec [i++] = entry.entry_to_string ();
              }
          }
        // Change the reverse flow spec to be sent.
        //        int index = flow_spec.length () + 1;
        int index = new_flowspec.length ();
        flow_spec.length (index);
        for (i = 0; i < index; i++)
          {
            flow_spec [i] = new_flowspec [i];
          }
      }
      break;
    default:
      break;
    }
  return 0;
}

int
TAO_AV_Core::init_reverse_flows (TAO_Base_StreamEndPoint *endpoint,
                                 TAO_AV_FlowSpecSet &forward_flow_spec_set,
                                 TAO_AV_FlowSpecSet &reverse_flow_spec_set,
                                 TAO_AV_Core::EndPoint direction)
{
  if (TAO_debug_level > 0) ACE_DEBUG ((LM_DEBUG,"(%P|%t)TAO_AV_Core::init_reverse_flows\n"));
  TAO_AV_FlowSpecSet acceptor_flow_set;
  TAO_AV_FlowSpecSet connector_flow_set;
  TAO_AV_FlowSpecSetItor end = reverse_flow_spec_set.end ();
  TAO_AV_FlowSpecSetItor start = reverse_flow_spec_set.begin ();
  for (;start != end; ++start)
    {
      TAO_FlowSpec_Entry *entry = (*start);
      ACE_Addr *address = entry->address ();
      switch (direction)
        {
        case TAO_AV_Core::TAO_AV_ENDPOINT_B:
          {
            switch (entry->direction ())
              {
              case TAO_FlowSpec_Entry::TAO_AV_DIR_IN:
                entry->role (TAO_FlowSpec_Entry::TAO_AV_CONSUMER);
                break;
              case TAO_FlowSpec_Entry::TAO_AV_DIR_OUT:
                entry->role (TAO_FlowSpec_Entry::TAO_AV_PRODUCER);
                break;
              }
            break;
          }
        case TAO_AV_Core::TAO_AV_ENDPOINT_A:
          {
            switch (entry->direction ())
              {
              case TAO_FlowSpec_Entry::TAO_AV_DIR_IN:
                entry->role (TAO_FlowSpec_Entry::TAO_AV_PRODUCER);
                break;
              case TAO_FlowSpec_Entry::TAO_AV_DIR_OUT:
                entry->role (TAO_FlowSpec_Entry::TAO_AV_CONSUMER);
                break;
              }
            break;
          }
        default: break;
        }

      if (address != 0)
        {
          if (this->get_acceptor (entry->flowname ())!= 0)
            {
              ACE_Addr *address = entry->address ();
              TAO_FlowSpec_Entry *forward_entry =
                this->get_flow_spec_entry (forward_flow_spec_set,
                                           entry->flowname ());
              if (forward_entry != 0)
                forward_entry->set_peer_addr (address);
            }
          else
            connector_flow_set.insert (entry);
        }
    }
  int result = -1;
  switch (direction)
    {

    case TAO_AV_Core::TAO_AV_ENDPOINT_A:
      {
        result = this->connector_registry_->open (endpoint,
                                                  this,
                                                  connector_flow_set);
      }
        break;
    default:
      break;
    }
  if (result == -1)
    ACE_ERROR_RETURN ((LM_ERROR,"acceptor_registry::open"),-1);
  return 0;
}

TAO_FlowSpec_Entry *
TAO_AV_Core::get_flow_spec_entry (TAO_AV_FlowSpecSet &flow_spec_set,
                                  const char *flowname)
{
  TAO_AV_FlowSpecSetItor end = flow_spec_set.end ();
  TAO_AV_FlowSpecSetItor begin = flow_spec_set.begin ();
  for (;
       begin != end;
       ++begin)
    {
      if (ACE_OS::strcmp ((*begin)->flowname (),flowname) == 0)
        return (*begin);
    }
  return 0;
}

TAO_AV_Acceptor*
TAO_AV_Core::get_acceptor (const char *flowname)
{

  ACE_TRY_NEW_ENV
    {

      TAO_AV_AcceptorSetItor acceptor =  this->acceptor_registry_->begin ();
      ACE_TRY_CHECK;

      TAO_AV_AcceptorSetItor end =
        this->acceptor_registry_->end ();

      for (;acceptor != end; ++acceptor)
        {
          if (ACE_OS::strcmp ((*acceptor)->flowname (),flowname) == 0)
            return *acceptor;
        }
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "TAO_AV_Core::get_acceptor");
    }
  ACE_ENDTRY;
  return 0;
}

int
TAO_AV_Core::remove_acceptor (const char *flowname)
{

  ACE_TRY_NEW_ENV
    {

      TAO_AV_AcceptorSetItor acceptor =  this->acceptor_registry_->begin ();
      ACE_TRY_CHECK;

      TAO_AV_AcceptorSetItor end =
        this->acceptor_registry_->end ();

      for (;acceptor != end; ++acceptor)
        {
          if (ACE_OS::strcmp ((*acceptor)->flowname (),flowname) == 0)
            {
              this->acceptor_registry_->close (*acceptor);
              return 0;
            }
        }
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "TAO_AV_Core::get_acceptor");
    }
  ACE_ENDTRY;
  return -1;
}

TAO_AV_Connector*
TAO_AV_Core::get_connector (const char *flowname)
{
  TAO_AV_ConnectorSetItor connector =
    this->connector_registry_->begin ();
  TAO_AV_ConnectorSetItor end =
    this->connector_registry_->end ();

  for (;connector != end; ++connector)
    {
      if (ACE_OS::strcmp ((*connector)->flowname (),flowname) == 0)
        return *connector;
    }
  return 0;
}

int
TAO_AV_Core::remove_connector (const char *flowname)
{
  TAO_AV_ConnectorSetItor connector =
    this->connector_registry_->begin ();
  TAO_AV_ConnectorSetItor end =
    this->connector_registry_->end ();

  for (;connector != end; ++connector)
    {
      if (ACE_OS::strcmp ((*connector)->flowname (),flowname) == 0)
        {
          this->connector_registry_->close (*connector);
          return 0;
        }
    }
  return -1;
}

TAO_AV_Flow_Protocol_Factory *
TAO_AV_Core::get_flow_protocol_factory(const char *flow_protocol)
{
  if (flow_protocol == 0)
    return 0;

  for (TAO_AV_Flow_ProtocolFactorySetItor control_flow_factory =
         this->flow_protocol_factories_.begin ();
       control_flow_factory !=
         this->flow_protocol_factories_.end ();
       ++control_flow_factory)
    {
      if ((*control_flow_factory)->factory ()->match_protocol (flow_protocol))
        {
          return (*control_flow_factory)->factory ();
        }
    }

  // Not found.
  return 0;
}

TAO_AV_Transport_Factory *
TAO_AV_Core::get_transport_factory(const char *transport_protocol)
{
  if (transport_protocol == 0)
    return 0;

  for (TAO_AV_TransportFactorySetItor transport_factory =
         this->transport_factories_.begin ();
       transport_factory != this->transport_factories_.end ();
       ++transport_factory)
    {
      if ((*transport_factory)->factory ()->match_protocol (transport_protocol))
        {
          return (*transport_factory)->factory ();
        }
    }

  // Not found.
  return 0;
}

int
TAO_AV_Core::load_default_transport_factories (void)
{
  const char *udp_factory_str = "UDP_Factory";
  const char *tcp_factory_str = "TCP_Factory";

  TAO_AV_Transport_Factory *udp_factory = 0;
  TAO_AV_Transport_Item *udp_item = 0;

  udp_factory =
    ACE_Dynamic_Service<TAO_AV_Transport_Factory>::instance (udp_factory_str);
  if (udp_factory == 0)
    {
      if (TAO_debug_level)
        ACE_ERROR ((LM_WARNING,
                    "(%P|%t) WARNING - No %s found in Service Repository."
                    "  Using default instance.\n",
                    "UDP Factory"));

      ACE_NEW_RETURN (udp_factory,
                      TAO_AV_UDP_Factory,
                      -1);
    }
  else udp_factory->ref_count = 1;

  ACE_NEW_RETURN (udp_item, TAO_AV_Transport_Item ("UDP_Factory"), -1);
  udp_item->factory (udp_factory);

  this->transport_factories_.insert (udp_item);

  TAO_AV_Transport_Factory *tcp_factory = 0;
  TAO_AV_Transport_Item *tcp_item = 0;

  tcp_factory =
    ACE_Dynamic_Service<TAO_AV_Transport_Factory>::instance (tcp_factory_str);
  if (tcp_factory == 0)
    {
      if (TAO_debug_level)
        ACE_ERROR ((LM_WARNING,
                    "(%P|%t) WARNING - No %s found in Service Repository."
                    "  Using default instance.\n",
                    "TCP Factory"));

      ACE_NEW_RETURN (tcp_factory,
                      TAO_AV_TCP_Factory,
                          -1);
    }
  else tcp_factory->ref_count = 1;

  ACE_NEW_RETURN (tcp_item, TAO_AV_Transport_Item ("TCP_Factory"), -1);
  tcp_item->factory (tcp_factory);

  this->transport_factories_.insert (tcp_item);

#if defined (ACE_HAS_RAPI) || defined (ACE_HAS_WINSOCK2_GQOS)
  const char *udp_qos_factory_str = "UDP_QoS_Factory";

  TAO_AV_Transport_Factory *udp_qos_factory = 0;
  TAO_AV_Transport_Item *udp_qos_item = 0;

  udp_qos_factory =
        ACE_Dynamic_Service<TAO_AV_Transport_Factory>::instance (udp_qos_factory_str);
  if (udp_qos_factory == 0)
    {
      if (TAO_debug_level)
        ACE_ERROR ((LM_WARNING,
                    "(%P|%t) WARNING - No %s found in Service Repository."
                    "  Using default instance.\n",
                    "UDP QoS Factory"));

          ACE_NEW_RETURN (udp_qos_factory,
                          TAO_AV_UDP_QoS_Factory,
                          -1);
    }
  else udp_qos_factory->ref_count = 1;

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