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Diffstat (limited to 'TAO/tao/Strategies/SCIOP_Acceptor.h')
| -rw-r--r-- | TAO/tao/Strategies/SCIOP_Acceptor.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/TAO/tao/Strategies/SCIOP_Acceptor.h b/TAO/tao/Strategies/SCIOP_Acceptor.h new file mode 100644 index 00000000000..25e985c0845 --- /dev/null +++ b/TAO/tao/Strategies/SCIOP_Acceptor.h @@ -0,0 +1,231 @@ +// -*- C++ -*- + +// $Id$ +// =================================================================== +/* + * @file SCIOP_Acceptor.h + * + * SCIOP specific acceptor processing + * + * @author Jason Cohen, Lockheed Martin ATL <jcohen@atl.lmco.com> + * @author Keith O'Hara, Lockheed Martin ATL + */ +// =================================================================== + + +#ifndef TAO_SCIOP_ACCEPTOR_H +#define TAO_SCIOP_ACCEPTOR_H +#include /**/ "ace/pre.h" + +#include "tao/orbconf.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#if TAO_HAS_SCIOP == 1 + +#include "tao/Transport_Acceptor.h" +#include "tao/Strategies/SCIOP_Connection_Handler.h" +#include "tao/Acceptor_Impl.h" +#include "tao/GIOP_Message_Version.h" + +#include "ace/SOCK_SEQPACK_Acceptor.h" +#include "ace/Acceptor.h" + +TAO_BEGIN_VERSIONED_NAMESPACE_DECL + +// TAO SCIOP_Acceptor concrete call defination + +/** + * @class TAO_SCIOP_Acceptor + * + * @brief TAO_SCIOP_Acceptor + * + * The SCIOP-specific bridge class for the concrete acceptor. + */ +class TAO_Strategies_Export TAO_SCIOP_Acceptor : public TAO_Acceptor +{ +public: + /// Constructor. + TAO_SCIOP_Acceptor (CORBA::Boolean flag = false); + + /// Destructor. + ~TAO_SCIOP_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_SCIOP_Connection_Handler, ACE_SOCK_SEQPACK_ACCEPTOR> TAO_SCIOP_BASE_ACCEPTOR; + typedef TAO_Creation_Strategy<TAO_SCIOP_Connection_Handler> TAO_SCIOP_CREATION_STRATEGY; + typedef TAO_Concurrency_Strategy<TAO_SCIOP_Connection_Handler> TAO_SCIOP_CONCURRENCY_STRATEGY; + typedef TAO_Accept_Strategy<TAO_SCIOP_Connection_Handler, ACE_SOCK_SEQPACK_ACCEPTOR> TAO_SCIOP_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. + */ + int hostname (TAO_ORB_Core *orb_core, + ACE_INET_Addr &addr, + char *&host, + const char *specified_hostname = 0); + + /** + * Set the host name for the given address using the dotted decimal + * format. + */ + int dotted_decimal_address (ACE_INET_Addr &addr, + char *&host); + +protected: + + /** + * 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_Multihomed_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); + + /** + * Split the string into hostnames separated by the plus character + * ('+'). + */ + int parse_multiple_hostnames (const char *hostnames, + ACE_Array<ACE_CString> &hostnames_out); + + /** + * 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) + */ + virtual int parse_options (const char *options); + + /// Obtain tcp properties that must be used by this acceptor, i.e., + /// initialize <tcp_properties_>. + int init_tcp_properties (void); + + /// 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. + */ + u_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_; + + /// The number of host names cached in the hosts_ array (equivalent + /// to the number of endpoints opened by this Acceptor). + CORBA::ULong endpoint_count_; + + /** + * Override the hostname used in the ORBEndPoint. + */ + char *hostname_in_ior_; + + /** + * 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?? + CORBA::Boolean lite_flag_; + +private: + + /// the concrete acceptor, as a pointer to it's base class. + TAO_SCIOP_BASE_ACCEPTOR base_acceptor_; + + /// Acceptor strategies. + TAO_SCIOP_CREATION_STRATEGY *creation_strategy_; + TAO_SCIOP_CONCURRENCY_STRATEGY *concurrency_strategy_; + TAO_SCIOP_ACCEPT_STRATEGY *accept_strategy_; + +}; + +TAO_END_VERSIONED_NAMESPACE_DECL + +#if defined(__ACE_INLINE__) +#include "tao/Strategies/SCIOP_Acceptor.inl" +#endif /* __ACE_INLINE__ */ + +#endif /* TAO_HAS_SCIOP == 1 */ + +#include /**/ "ace/post.h" +#endif /* TAO_SCIOP_ACCEPTOR_H */ |