diff options
Diffstat (limited to 'TAO/examples/POA/Adapter_Activator/server.cpp')
| -rw-r--r-- | TAO/examples/POA/Adapter_Activator/server.cpp | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/TAO/examples/POA/Adapter_Activator/server.cpp b/TAO/examples/POA/Adapter_Activator/server.cpp new file mode 100644 index 00000000000..66a31b5b079 --- /dev/null +++ b/TAO/examples/POA/Adapter_Activator/server.cpp @@ -0,0 +1,420 @@ +// $Id$ + +// ================================================================ +// +// = LIBRARY +// TAO/tests/POA/Adapter_Activator +// +// = FILENAME +// server.cpp +// +// = DESCRIPTION +// This example is very similar to the Explicit_Activation example +// except that the POAs are deleted once the object references have +// been created. After this, an adapter activator is install in the +// RootPOA to reactivate the POAs on demand. +// +// Similar to the Explicit_Activation, the client for this example +// is Generic_Servant. +// +// = AUTHOR +// Irfan Pyarali +// +// ================================================================ + +#include "ace/Get_Opt.h" +#include "MyFooServant.h" + +ACE_RCSID(Adapter_Activator, server, "$Id$") + +class Adapter_Activator : public POA_PortableServer::AdapterActivator +{ +public: + + Adapter_Activator (PortableServer::POAManager_ptr poa_manager, + CORBA::ORB_ptr orb); + + CORBA::Boolean unknown_adapter (PortableServer::POA_ptr parent, + const char *name, + CORBA_Environment &ACE_TRY_ENV); + + CORBA::PolicyList first_poa_policies_; + CORBA::PolicyList second_poa_policies_; + +private: + + PortableServer::POAManager_var poa_manager_; + CORBA::ORB_var orb_; +}; + +Adapter_Activator::Adapter_Activator (PortableServer::POAManager_ptr poa_manager, + CORBA::ORB_ptr orb) + : poa_manager_ (PortableServer::POAManager::_duplicate (poa_manager)), + orb_ (CORBA::ORB::_duplicate (orb)) +{ +} + +CORBA::Boolean +Adapter_Activator::unknown_adapter (PortableServer::POA_ptr parent, + const char *name, + CORBA::Environment &ACE_TRY_ENV) +{ + if (ACE_OS::strcmp (name, "firstPOA") == 0) + { + PortableServer::POA_var child = parent->create_POA (name, + this->poa_manager_.in (), + this->first_poa_policies_, + ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + + // Creation of firstPOA is over. Destroy the Policy objects. + for (CORBA::ULong i = 0; + i < this->first_poa_policies_.length (); + ++i) + { + this->first_poa_policies_[i]->destroy (ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + } + + PortableServer::AdapterActivator_var activator = this->_this (ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + + child->the_activator (activator.in (), + ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + + MyFooServant *foo_impl = new MyFooServant (this->orb_.in (), + child.in (), + 28); + + child->set_servant (foo_impl, + ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + + // Finally everything is fine + return 1; + } + else if (ACE_OS::strcmp (name, "secondPOA") == 0) + { + PortableServer::POA_var child = parent->create_POA (name, + this->poa_manager_.in (), + this->second_poa_policies_, + ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + + // Creation of secondPOA is over. Destroy the Policy objects. + for (CORBA::ULong i = 0; + i < this->second_poa_policies_.length (); + ++i) + { + this->second_poa_policies_[i]->destroy (ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + } + + MyFooServant *foo_impl = new MyFooServant (this->orb_.in (), + child.in (), + 29); + + PortableServer::ObjectId_var oid = + PortableServer::string_to_ObjectId ("third Foo"); + + child->activate_object_with_id (oid.in (), + foo_impl, + ACE_TRY_ENV); + ACE_CHECK_RETURN (0); + + // Finally everything is fine + return 1; + } + else + { + // Unknown POA. + return 0; + } +} + +static char *ior_output_file = 0; + +static int +parse_args (int argc, char **argv) +{ + ACE_Get_Opt get_opts (argc, argv, "f:"); + int c; + + while ((c = get_opts ()) != -1) + switch (c) + { + case 'f': + ior_output_file = get_opts.optarg; + break; + + case '?': + default: + ACE_ERROR_RETURN ((LM_ERROR, + "usage: %s " + "[-f ior_output_file]" + "\n", + argv [0]), + -1); + } + + // Indicates successful parsing of command line. + return 0; +} + +static int +write_iors_to_file (const char *first_ior, + const char *second_ior, + const char *third_ior) +{ + if (ior_output_file == 0) + // No filename was specified; simply return + return 0; + + char ior_output_file_1[BUFSIZ]; + char ior_output_file_2[BUFSIZ]; + char ior_output_file_3[BUFSIZ]; + + ACE_OS::sprintf (ior_output_file_1, "%s_1", ior_output_file); + ACE_OS::sprintf (ior_output_file_2, "%s_2", ior_output_file); + ACE_OS::sprintf (ior_output_file_3, "%s_3", ior_output_file); + + FILE *output_file_1 = ACE_OS::fopen (ior_output_file_1, "w"); + FILE *output_file_2 = ACE_OS::fopen (ior_output_file_2, "w"); + FILE *output_file_3 = ACE_OS::fopen (ior_output_file_3, "w"); + + if (output_file_1 == 0 || + output_file_2 == 0 || + output_file_3 == 0) + ACE_ERROR_RETURN ((LM_ERROR, "Cannot open output files for writing IORs: %s, %s %s\n", + ior_output_file_1, + ior_output_file_2, + ior_output_file_3), + -1); + + u_int result = 0; + + result = ACE_OS::fprintf (output_file_1, + "%s", + first_ior); + if (result != ACE_OS::strlen (first_ior)) + ACE_ERROR_RETURN ((LM_ERROR, + "ACE_OS::fprintf failed while writing %s to %s\n", + first_ior, + ior_output_file_1), + -1); + + result = ACE_OS::fprintf (output_file_2, + "%s", + second_ior); + if (result != ACE_OS::strlen (second_ior)) + ACE_ERROR_RETURN ((LM_ERROR, + "ACE_OS::fprintf failed while writing %s to %s\n", + second_ior, + ior_output_file_2), + -1); + + result = ACE_OS::fprintf (output_file_3, + "%s", + third_ior); + if (result != ACE_OS::strlen (third_ior)) + ACE_ERROR_RETURN ((LM_ERROR, + "ACE_OS::fprintf failed while writing %s to %s\n", + third_ior, + ior_output_file_3), + -1); + + ACE_OS::fclose (output_file_1); + ACE_OS::fclose (output_file_2); + ACE_OS::fclose (output_file_3); + + return 0; +} + +int +main (int argc, char **argv) +{ + ACE_DECLARE_NEW_CORBA_ENV; + + ACE_TRY + { + // Initialize the ORB first. + CORBA::ORB_var orb = CORBA::ORB_init (argc, + argv, + 0, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + int result = parse_args (argc, argv); + if (result != 0) + return result; + + // Obtain the RootPOA. + CORBA::Object_var obj = orb->resolve_initial_references ("RootPOA"); + + // Get the POA_var object from Object_var. + PortableServer::POA_var root_poa = + PortableServer::POA::_narrow (obj.in (), + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Get the POAManager of the RootPOA. + PortableServer::POAManager_var poa_manager = + root_poa->the_POAManager (ACE_TRY_ENV); + ACE_TRY_CHECK; + + Adapter_Activator adapter_activator (poa_manager.in (), + orb.in ()); + + PortableServer::AdapterActivator_var activator = adapter_activator._this (ACE_TRY_ENV); + ACE_TRY_CHECK; + + root_poa->the_activator (activator.in (), + ACE_TRY_ENV); + ACE_TRY_CHECK; + + PortableServer::POA_var first_poa; + PortableServer::POA_var second_poa; + + { + // Policies for the firstPOA to be created. + CORBA::PolicyList &policies = adapter_activator.first_poa_policies_; + policies.length (4); + + // Id Assignment Policy + policies[0] = + root_poa->create_id_assignment_policy (PortableServer::SYSTEM_ID, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Lifespan policy + policies[1] = + root_poa->create_lifespan_policy (PortableServer::PERSISTENT, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Request Processing policy + policies[2] = + root_poa->create_request_processing_policy (PortableServer::USE_DEFAULT_SERVANT, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Id Uniqueness + policies[3] = + root_poa->create_id_uniqueness_policy (PortableServer::MULTIPLE_ID, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Create the firstPOA under the RootPOA. + first_poa = root_poa->create_POA ("firstPOA", + poa_manager.in (), + policies, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + + { + // Policies for the secondPOA to be created. + CORBA::PolicyList &policies = adapter_activator.second_poa_policies_; + policies.length (2); + + // Id Assignment Policy + policies[0] = + root_poa->create_id_assignment_policy (PortableServer::USER_ID, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Lifespan policy + policies[1] = + root_poa->create_lifespan_policy (PortableServer::PERSISTENT, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Create the secondPOA under the firstPOA. + second_poa = first_poa->create_POA ("secondPOA", + poa_manager.in (), + policies, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + + // Create a servant. + MyFooServant first_foo_impl (orb.in (), + root_poa.in (), + 27); + + PortableServer::ObjectId_var first_oid = + root_poa->activate_object (&first_foo_impl, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Get Object Reference for the first_foo_impl object. + Foo_var first_foo = first_foo_impl._this (ACE_TRY_ENV); + ACE_TRY_CHECK; + + CORBA::Object_var second_foo = + first_poa->create_reference ("IDL:Foo:1.0", + ACE_TRY_ENV); + ACE_TRY_CHECK; + + PortableServer::ObjectId_var third_oid = + PortableServer::string_to_ObjectId ("third Foo"); + + CORBA::Object_var third_foo = + second_poa->create_reference_with_id (third_oid.in (), + "IDL:Foo:1.0", + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Stringyfy all the object references and print them out. + CORBA::String_var first_ior = + orb->object_to_string (first_foo.in (), ACE_TRY_ENV); + ACE_TRY_CHECK; + + CORBA::String_var second_ior = + orb->object_to_string (second_foo.in (), ACE_TRY_ENV); + ACE_TRY_CHECK; + + CORBA::String_var third_ior = + orb->object_to_string (third_foo.in (), ACE_TRY_ENV); + ACE_TRY_CHECK; + + ACE_DEBUG ((LM_DEBUG, + "%s\n%s\n%s\n", + first_ior.in (), + second_ior.in (), + third_ior.in ())); + + int write_result = write_iors_to_file (first_ior.in (), + second_ior.in (), + third_ior.in ()); + if (write_result != 0) + return write_result; + + first_poa->destroy (1, + 1, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + poa_manager->activate (ACE_TRY_ENV); + ACE_TRY_CHECK; + + if (orb->run () == -1) + ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "CORBA::ORB::run"), -1); + + // Destroy RootPOA (also destroys all child POAs). + root_poa->destroy (1, + 1, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Exception caught"); + return -1; + } + ACE_ENDTRY; + ACE_CHECK_RETURN (-1); + + return 0; +} |