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// This may look like C, but it's really -*- C++ -*-
//=============================================================================
/**
* @file IIOP_Acceptor.h
*
* $Id$
*
* IIOP specific acceptor processing
*
*
* @author Fred Kuhns <fredk@cs.wustl.edu>
* @author Ossama Othman <ossama@uci.edu>
*/
//=============================================================================
#ifndef TAO_IIOP_ACCEPTOR_H
#define TAO_IIOP_ACCEPTOR_H
#include /**/ "ace/pre.h"
#include "ace/Acceptor.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/SOCK_Acceptor.h"
#include "tao/Transport_Acceptor.h"
#include "tao/IIOP_Connection_Handler.h"
#include "tao/Acceptor_Impl.h"
#include "tao/GIOP_Message_Version.h"
/**
* @class TAO_IIOP_Acceptor
*
* @brief TAO_IIOP_Acceptor
*
* The IIOP-specific bridge class for the concrete acceptor.
*/
class TAO_Export TAO_IIOP_Acceptor : public TAO_Acceptor
{
public:
/// Constructor.
TAO_IIOP_Acceptor (CORBA::Boolean flag = 0);
/// Destructor.
~TAO_IIOP_Acceptor (void);
/// @@ Helper method for the implementation repository, should go
/// away
const ACE_INET_Addr& address (void) const;
/// Returns the array of endpoints in this acceptor
const ACE_INET_Addr *endpoints (void);
typedef ACE_Strategy_Acceptor<TAO_IIOP_Connection_Handler, ACE_SOCK_ACCEPTOR> BASE_ACCEPTOR;
typedef TAO_Creation_Strategy<TAO_IIOP_Connection_Handler> CREATION_STRATEGY;
typedef TAO_Concurrency_Strategy<TAO_IIOP_Connection_Handler> CONCURRENCY_STRATEGY;
typedef TAO_Accept_Strategy<TAO_IIOP_Connection_Handler, ACE_SOCK_ACCEPTOR> ACCEPT_STRATEGY;
/**
* The TAO_Acceptor methods, check the documentation in
* Transport_Acceptor.h for details.
*/
virtual int open (TAO_ORB_Core *orb_core,
ACE_Reactor *reactor,
int version_major,
int version_minor,
const char *address,
const char *options = 0);
virtual int open_default (TAO_ORB_Core *orb_core,
ACE_Reactor *reactor,
int version_major,
int version_minor,
const char *options = 0);
virtual int close (void);
virtual int create_profile (const TAO::ObjectKey &object_key,
TAO_MProfile &mprofile,
CORBA::Short priority);
virtual int is_collocated (const TAO_Endpoint *endpoint);
virtual CORBA::ULong endpoint_count (void);
virtual int object_key (IOP::TaggedProfile &profile,
TAO::ObjectKey &key);
/**
* Set the host name for the given addr.
* A hostname may be forced by using specified_hostname. This
* is useful if the given address corresponds to more than one
* hostname and the desired one cannot be determined in any
* other way.
* This method is used both when constructing IOR endpoints and LPL
* (listen point lists).
*
* The algorithm used is:
* - If hostname_in_ior_ has been set, it is used "as is";
* - else if use_dotted_decimal_addresses_ is set, the text representaion
* of the IP is used;
* - else if specified_hostname is given, it used "as is";
* - else a reverse (address to name) lookup is used to obtain the
* hostname or the IP if no reverse mapping exists.
*/
virtual int hostname (TAO_ORB_Core *orb_core,
ACE_INET_Addr &addr,
char *&host,
const char *specified_hostname = 0);
protected:
/**
* Set the host name for the given address using the dotted decimal
* format.
*/
int dotted_decimal_address (ACE_INET_Addr &addr,
char *&host);
/**
* Implement the common part of the open*() methods. This method is
* virtual to allow a derived class implementation to be invoked
* instead.
*/
virtual int open_i (const ACE_INET_Addr &addr,
ACE_Reactor *reactor);
/**
* Probe the system for available network interfaces, and initialize
* the <addrs_> array with an ACE_INET_Addr for each network
* interface. The port for each initialized ACE_INET_Addr will be
* set in the open_i() method. This method only gets invoked when
* no explicit hostname is provided in the specified endpoint.
*/
int probe_interfaces (TAO_ORB_Core *orb_core);
/**
* Parse protocol specific options.
*
* Currently supported:
* portspan -- specifies the range of ports over which the acceptor
* should scan looking for a free port (this is convenient
* for situations where you might normally use an ephemeral
* port but can't because you're behind a firewall and don't
* want to permit passage on all ephemeral ports)
*/
int parse_options (const char *options);
/**
* Parse options splits the options list in to an argv array. This
* allows manipulation of the list in a manner similar to
* orb_init. By moving the consumed args to the tail of the list and
* reducing the argc count, the base parse_options_i can be called
* by derived parse_options_i. Method returns -1 if an ill-formed or
* otherwise bogus arg is encountered. The only strictly bogus arg
* was priority, which was a holdover from the early RT IIOP
* implementations. an ill-formed option is one which is missing an
* equal sign or something to the left of it.
*/
virtual int parse_options_i (int &argc, ACE_CString ** argv);
/// Helper method to add a new profile to the mprofile for
/// each endpoint.
int create_new_profile (const TAO::ObjectKey &object_key,
TAO_MProfile &mprofile,
CORBA::Short priority);
/// Helper method to create a profile that contains all of
/// our endpoints.
int create_shared_profile (const TAO::ObjectKey &object_key,
TAO_MProfile &mprofile,
CORBA::Short priority);
protected:
/// Array of ACE_INET_Addr instances, each one corresponding to a
/// given network interface.
ACE_INET_Addr *addrs_;
/**
* The number of ports over which the acceptor should search (starting
* at the port specified in each element of addrs_) for an available
* port. This is specified via the "portspan=" option to the endpoint.
*/
unsigned short port_span_;
/**
* Cache the information about the endpoints serviced by this
* acceptor.
* There may in fact be multiple hostnames for this endpoint. For
* example, if the IP address is INADDR_ANY (0.0.0.0) then there
* will be possibly a different hostname for each interface.
*/
char **hosts_;
/**
* Override the hostname used in the ORBEndPoint.
*/
char *hostname_in_ior_;
/// The number of host names cached in the hosts_ array (equivalent
/// to the number of endpoints opened by this Acceptor).
CORBA::ULong endpoint_count_;
/**
* The GIOP version for this endpoint
* @@ Theoretically they shouldn't be here!! We need to look at a
* way to move this out
*/
TAO_GIOP_Message_Version version_;
/// ORB Core.
TAO_ORB_Core *orb_core_;
/// Should we use GIOP lite??
const bool lite_flag_;
private:
/// the concrete acceptor, as a pointer to it's base class.
BASE_ACCEPTOR base_acceptor_;
/// Acceptor strategies.
CREATION_STRATEGY *creation_strategy_;
CONCURRENCY_STRATEGY *concurrency_strategy_;
ACCEPT_STRATEGY *accept_strategy_;
};
#if defined(__ACE_INLINE__)
#include "tao/IIOP_Acceptor.i"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_IIOP_ACCEPTOR_H */
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