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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/ImplRepo_Service
//
// = FILENAME
// ImplRepo_i.h
//
// = DESCRIPTION
// This class implements the Implementation Repository.
//
// = AUTHOR
// Darrell Brunsch <brunsch@cs.wustl.edu>
//
// ============================================================================
#ifndef IMPLREPO_I_H
#define IMPLREPO_I_H
#include "orbsvcs/ImplRepoS.h"
#include "Repository.h"
#include "tao/TAO.h"
// Forward declarations.
class ImplRepo_i;
class IR_Forwarder;
// Typedefs.
typedef ImplRepo_i *ImplRepo_i_ptr;
typedef ImplRepo_i_ptr ImplRepo_i_ref;
class IR_Adapter_Activator : public POA_PortableServer::AdapterActivator
{
// = TITLE
// Implementation Repository Adapter Activator
//
// = DESCRIPTION
// Part of the Default Servant/DSI combination that forwards
// arbitrary requests. This allows for the setting up of child
// POAs with default servants.
public:
IR_Adapter_Activator (IR_Forwarder *servant,
PortableServer::POAManager_ptr poa_manager);
// Constructor
virtual CORBA::Boolean unknown_adapter (PortableServer::POA_ptr parent,
const char *name,
CORBA_Environment &ACE_TRY_ENV
= TAO_default_environment ());
// Called by the POA when the incoming requested object/POA isn't found. This will
// create POAs when needed and will also put a DSI object (IR_Forwarder) in that POA
// as a default servant to handle that request
private:
IR_Forwarder *servant_;
// The object to use as the default servant.
PortableServer::POAManager_var poa_manager_;
// POA Manager
};
class ImplRepo_i : public POA_ImplementationRepository::Administration
{
// = TITLE
// Implementation Repository
//
// = DESCRIPTION
// This provides the interface to Administer the Implementation Repository.
public:
// = Constructor and destructor
ImplRepo_i (void);
~ImplRepo_i (void);
// = Interface methods
virtual void activate_server (const char * server,
CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,
ImplementationRepository::Administration::NotFound,
ImplementationRepository::Administration::CannotActivate));
// Starts up the server <server> if not already running.
virtual void register_server (const char *server,
const ImplementationRepository::StartupOptions &options,
CORBA_Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,
ImplementationRepository::Administration::AlreadyRegistered));
// Adds the server to the repository and registers the startup information about
// the server <server>.
virtual void reregister_server (const char *server,
const ImplementationRepository::StartupOptions &options,
CORBA_Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException));
// Updates the startup information about the server <server>.
virtual void remove_server (const char *server,
CORBA_Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,
ImplementationRepository::Administration::NotFound));
// Removes the server <server> from the repository.
virtual void shutdown_server (const char * server,
CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,
ImplementationRepository::Administration::NotFound));
// Attempts to gracefully shut down the server, if that fails, will try
// to do it ungracefully.
virtual ImplementationRepository::Address *
server_is_running (const char * server,
const ImplementationRepository::Address &addr,
ImplementationRepository::ServerObject_ptr server_object,
CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,
ImplementationRepository::Administration::NotFound));
// Called by the server to update transient information such as current location of
// the <server> and its ServerObject.
virtual void server_is_shutting_down (const char * server,
CORBA_Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,
ImplementationRepository::Administration::NotFound));
// What the server should call before it shuts down.
virtual void find (const char * server,
ImplementationRepository::ServerInformation_out info,
CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException,
ImplementationRepository::Administration::NotFound));
// Returns the startup information for a server
virtual void list (CORBA::ULong how_many,
ImplementationRepository::ServerInformationList_out server_list,
ImplementationRepository::ServerInformationIterator_out server_iterator,
CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException));
// Used to access the list of servers registered. May also return an
// iterator which can be used to access more than <how_many> of them.
// = Other methods
int init (int argc, char **argv,
CORBA_Environment &ACE_TRY_ENV = TAO_default_environment ());
// Initialize the Server state - parsing arguments and waiting.
int run (CORBA_Environment &ACE_TRY_ENV = TAO_default_environment ());
// Runs the orb.
CORBA::String get_forward_host (const char *server);
// Returns the host of the server that needs to be forwarded to.
CORBA::UShort get_forward_port (const char *server);
// Returns the port of the server that needs to be forwarded to.
private:
IR_Forwarder *forwarder_impl_;
// The class that handles the forwarding.
IR_Adapter_Activator *activator_;
// Used for the forwarding of any type of POA.
Server_Repository repository_;
// Repository containing information about each server.
TAO_ORB_Manager orb_manager_;
// The ORB manager.
char *server_key_;
// Key of the obj ref of the server.
char *server_input_file_;
// Copy of the filename for the server output file.
int argc_;
// Number of command line arguments.
char **argv_;
// The command line arguments.
};
class IR_Forwarder: public PortableServer::DynamicImplementation
// = TITLE
// Implementation Repository Forwarder
//
// = DESCRIPTION
// This class is provides a DSI implementation that is used to handle
// arbitrary calls and forward them to the correct place.
{
public:
IR_Forwarder (CORBA::ORB_ptr orb_ptr,
PortableServer::POA_ptr poa_ptr,
ImplRepo_i *ir_impl);
// Constructor
virtual void invoke (CORBA::ServerRequest_ptr request,
CORBA::Environment &env);
// The invoke() method receives requests issued to any CORBA
// object incarnated by the DSI servant and performs the
// processing necessary to execute the request.
CORBA::RepositoryId _primary_interface (const PortableServer::ObjectId &oid,
PortableServer::POA_ptr poa,
CORBA::Environment &env = TAO_default_environment ());
// DynamicImplementation stuff
private:
class ImplRepo_i *ir_impl_;
// Where we find out where to forward to.
CORBA::ORB_var orb_var_;
// ORB reference.
PortableServer::POA_var poa_var_;
// POA reference.
};
class IR_Iterator : public POA_ImplementationRepository::ServerInformationIterator
{
public:
IR_Iterator (Server_Repository::HASH_IR_ITER *iterator,
PortableServer::POA_ptr poa);
// Constructor
// Ownership of iterator is transfered to this class (we'll delete it)
~IR_Iterator ();
// Destructor
virtual CORBA::Boolean next_n (CORBA::ULong how_many,
ImplementationRepository::ServerInformationList_out server_list,
CORBA::Environment &ACE_TRY_ENV = CORBA::Environment::default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException));
// Returns the next list of up to <how_many> servers. If empty, will return
// false.
virtual void destroy (CORBA::Environment &ACE_TRY_ENV = CORBA::Environment::default_environment ())
ACE_THROW_SPEC ((CORBA::SystemException));
// Destroys the iterator.
private:
Server_Repository::HASH_IR_ITER *iterator_;
// Our very own iterator for transversing the server repository.
PortableServer::POA_var poa_;
// Our lovely POA.
};
#endif /* IMPLREPO_I_H */
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