/* * A Bank factory that creates Account objects * * In this example, we set up a ServantManager. The bank creates * references to "virtual" objects. When an account object is invoked * for the first time, the ServantManager is called to incarnate the * account. */ #define MICO_CONF_INTERCEPT #include "account.h" #ifdef HAVE_ANSI_CPLUSPLUS_HEADERS #include #else #include #endif using namespace std; /* * Implementation of the Account */ class Account_impl : virtual public POA_Account { public: Account_impl (); void deposit (CORBA::ULong); void withdraw (CORBA::ULong); CORBA::Long balance (); private: CORBA::Long bal; }; Account_impl::Account_impl () { bal = 0; } void Account_impl::deposit (CORBA::ULong amount) { bal += amount; } void Account_impl::withdraw (CORBA::ULong amount) { bal -= amount; } CORBA::Long Account_impl::balance () { return bal; } /* * Implementation of the Bank */ class Bank_impl : virtual public POA_Bank { public: Bank_impl (PortableServer::POA_ptr); Account_ptr create (); private: PortableServer::POA_var mypoa; }; Bank_impl::Bank_impl (PortableServer::POA_ptr _poa) { mypoa = PortableServer::POA::_duplicate (_poa); } Account_ptr Bank_impl::create () { /* * We don't create an account, but only a reference to a "virtual" * object. The Servant Manager is responsible for incarnating the * account on request. */ CORBA::Object_var obj = mypoa->create_reference ("IDL:Account:1.0"); Account_ptr aref = Account::_narrow (obj); assert (!CORBA::is_nil (aref)); /* * Return the reference */ return aref; } /* * Implementation of the Server Manager (a ServantActivator, actually) */ class AccountManager : public virtual POA_PortableServer::ServantActivator { public: PortableServer::Servant incarnate (const PortableServer::ObjectId &, PortableServer::POA_ptr); void etherealize (const PortableServer::ObjectId &, PortableServer::POA_ptr, PortableServer::Servant, CORBA::Boolean, CORBA::Boolean); }; PortableServer::Servant AccountManager::incarnate (const PortableServer::ObjectId & oid, PortableServer::POA_ptr poa) { /* * Incarnate a new Account */ return new Account_impl; } void AccountManager::etherealize (const PortableServer::ObjectId & oid, PortableServer::POA_ptr poa, PortableServer::Servant serv, CORBA::Boolean cleanup_in_progress, CORBA::Boolean remaining_activations) { /* * If there are no remaining activations for that servant (which * actually could only happen with the MULTIPLE_ID policy, when * one servant can incarnate many objects), delete the account. */ if (!remaining_activations) { delete serv; } } // PI interceptors ////////////////////////////////////////////////// // Request interceptor class MyServerInterceptor : virtual public PortableInterceptor::ServerRequestInterceptor, virtual public CORBA::LocalObject { string nm; public: MyServerInterceptor() { nm = ""; } MyServerInterceptor(const char * name) { nm = name; } char* name() { return CORBA::string_dup(nm.c_str()); } void destroy() {} void receive_request_service_contexts( PortableInterceptor::ServerRequestInfo_ptr ri ) { cout << name() << ": " << "receive_request_service_contexts" << endl; cout << "Operation = " << ri->operation() << endl; // mico_throw(CORBA::NO_IMPLEMENT()); } void receive_request( PortableInterceptor::ServerRequestInfo_ptr ri ) { cout << name() << ": " << "receive_request" << endl; cout << "OA = "; CORBA::OctetSeq * oaid = ri->adapter_id(); for (int i = 0; i < oaid->length(); i++) cout << (*oaid)[i]; cout << endl; cout << "Interface = "; cout << ri->target_most_derived_interface() << " Operation = " << ri->operation() << endl; cout << "Parameters: "; Dynamic::ParameterList * arg = ri->arguments(); if (arg->length() > 0) { for (int i = 0; i < arg->length(); i++) { if ((*arg)[i].mode == CORBA::PARAM_IN) cout << " mode=" << "input"; else if ((*arg)[i].mode == CORBA::PARAM_OUT) cout << " mode=" << "out"; else if ((*arg)[i].mode == CORBA::PARAM_INOUT) cout << " mode=" << "inout"; cout << " value="; CORBA::ULong v; CORBA::Long v2; const char * v3; CORBA::TypeCode_ptr t = (*arg)[i].argument.type(); switch (t->unalias()->kind()) { case CORBA::tk_ulong : (*arg)[i].argument >>= v; cout << v; break; case CORBA::tk_long : (*arg)[i].argument >>= v2; cout << v2; break; case CORBA::tk_string : (*arg)[i].argument >>= v3; cout << v3; break; } } cout << endl; } else cout << "operation without parameters!" << endl; cout << "operation context:" << endl; Dynamic::RequestContext* ctx = ri->operation_context(); for (int i = 0; i < ctx->length(); i += 2) { cout << (*ctx)[i] << " : " << (*ctx)[i + 1] << endl; } // mico_throw(CORBA::NO_IMPLEMENT()); } void send_reply( PortableInterceptor::ServerRequestInfo_ptr ri ) { cout << name() << ": " << "send_reply" << endl; cout << "OA = "; CORBA::OctetSeq * oaid = ri->adapter_id(); for (int i = 0; i < oaid->length(); i++) cout << (*oaid)[i]; cout << endl; cout << "Operation = " << ri->operation() << endl; cout << "Parameters: "; Dynamic::ParameterList * arg = ri->arguments(); if (arg->length() > 0) { for (int i = 0; i < arg->length(); i++) { if ((*arg)[i].mode == CORBA::PARAM_IN) cout << " mode=" << "input"; else if ((*arg)[i].mode == CORBA::PARAM_OUT) cout << " mode=" << "out"; else if ((*arg)[i].mode == CORBA::PARAM_INOUT) cout << " mode=" << "inout"; cout << " value="; CORBA::ULong v; CORBA::Long v2; const char * v3; CORBA::TypeCode_ptr t = (*arg)[i].argument.type(); switch (t->unalias()->kind()) { case CORBA::tk_ulong : (*arg)[i].argument >>= v; cout << v; break; case CORBA::tk_long : (*arg)[i].argument >>= v2; cout << v2; break; case CORBA::tk_string : (*arg)[i].argument >>= v3; cout << v3; break; } } cout << endl; } else cout << "operation without parameters!" << endl; cout <<"result = "; CORBA::Any * res = ri->result(); CORBA::ULong v; CORBA::Long v2; const char * v3; CORBA::TypeCode_ptr t = res->type(); switch (t->unalias()->kind()) { case CORBA::tk_null : case CORBA::tk_void : cout << endl; break; case CORBA::tk_ulong : *res >>= v; cout << v << endl; break; case CORBA::tk_long : *res >>= v2; cout << v2 << endl; break; case CORBA::tk_string : *res >>= v3; cout << v3 << endl; break; } cout << "operation context:" << endl; Dynamic::RequestContext* ctx = ri->operation_context(); for (int i = 0; i < ctx->length(); i += 2) { cout << (*ctx)[i] << " : " << (*ctx)[i + 1] << endl; } // mico_throw(CORBA::NO_IMPLEMENT()); } void send_exception( PortableInterceptor::ServerRequestInfo_ptr ri ) { cout << name() << ": " << "send_exception" << endl; CORBA::Any* ex = ri->sending_exception(); CORBA::TypeCode_ptr tc = ex->type(); const char * id = tc->id (); cout << "Exception ID = "<< id << endl; // cout << "throw NO_PERMISSION" << endl; // mico_throw(CORBA::NO_PERMISSION()); } void send_other( PortableInterceptor::ServerRequestInfo_ptr ri ) { cout << name() << ": " << "send_other" << endl; } }; ////////////////////////////////////////////////// // IOR interceptor class MyIORInterceptor : virtual public PortableInterceptor::IORInterceptor, virtual public CORBA::LocalObject { string nm; public: MyIORInterceptor() { nm = ""; } MyIORInterceptor(const char * name) { nm = name; } char* name() { return CORBA::string_dup(nm.c_str()); } void destroy() {} void establish_components(PortableInterceptor::IORInfo_ptr info) { cout << "MyIORInterceptor: establish_components" << endl; cout << "get_effective_policy" << endl; CORBA::Policy_ptr pol; try { pol = info->get_effective_policy((CORBA::PolicyType)111111); } catch (...) { cout << "Exception occured..." << endl; return; } cout << "PolicyType = " << pol->policy_type() << endl; } }; //////////////////////////// // Policy just for example class MyPolicy : virtual public CORBA::Policy { CORBA::PolicyType pt; public: MyPolicy() { pt = (CORBA::PolicyType)111111; } ~MyPolicy() {} CORBA::PolicyType policy_type() { return pt; } CORBA::Policy_ptr copy() { return _duplicate(this); } void destroy() {} }; /////////////////////////// // Policy Factory class MyPolicyFactory : virtual public PortableInterceptor::PolicyFactory, virtual public CORBA::LocalObject { public: MyPolicyFactory() {} ~MyPolicyFactory() {} CORBA::Policy_ptr create_policy( CORBA::PolicyType type, const CORBA::Any& value ) { if (type != (CORBA::PolicyType)111111) mico_throw(CORBA::PolicyError()); return new MyPolicy; } }; class MyInitializer : virtual public PortableInterceptor::ORBInitializer, virtual public CORBA::LocalObject { public: MyInitializer() {} ~MyInitializer() {} virtual void pre_init( PortableInterceptor::ORBInitInfo_ptr info ) { // register server interceptor(s) MyServerInterceptor * interceptor = new MyServerInterceptor("MyServerInterceptor"); info->add_server_request_interceptor(interceptor); // MyServerInterceptor * interceptor2 = new MyServerInterceptor("MyServerInterceptor2"); // info->add_server_request_interceptor(interceptor2); MyIORInterceptor * ior_interceptor = new MyIORInterceptor("MyIORInterceptor"); info->add_ior_interceptor(ior_interceptor); MyPolicyFactory * factory = new MyPolicyFactory; info->register_policy_factory((CORBA::PolicyType)111111, factory); } virtual void post_init( PortableInterceptor::ORBInitInfo_ptr info ) { // nothing } }; int main (int argc, char *argv[]) { MyInitializer * ini = new MyInitializer; PortableInterceptor::register_orb_initializer(ini); /* * Initialize the ORB */ CORBA::ORB_var orb = CORBA::ORB_init (argc, argv); /* * Obtain a reference to the RootPOA and its Manager */ CORBA::Object_var poaobj = orb->resolve_initial_references ("RootPOA"); PortableServer::POA_var poa = PortableServer::POA::_narrow (poaobj); PortableServer::POAManager_var mgr = poa->the_POAManager(); /* * The RootPOA has the USE_ACTIVE_OBJECT_MAP_ONLY policy; to register * our ServantManager, we must create our own POA with the * USE_SERVANT_MANAGER policy */ CORBA::PolicyList pl; pl.length(2); pl[0] = poa->create_request_processing_policy (PortableServer::USE_SERVANT_MANAGER); // test our policy factory, create MyPolicy and add it CORBA::Any any; // for this example we don't need pl[1] = orb->create_policy((CORBA::PolicyType)111111, any); // PortableServer::POA_var mypoa = poa->create_POA ("MyPOA", mgr, pl); /* * Activate our ServantManager */ AccountManager * am = new AccountManager; PortableServer::ServantManager_var amref = am->_this (); mypoa->set_servant_manager (amref); /* * Create a Bank */ Bank_impl * micocash = new Bank_impl (mypoa); /* * Activate the Bank */ PortableServer::ObjectId_var oid = poa->activate_object (micocash); /* * Write reference to file */ ofstream of ("Bank.ref"); CORBA::Object_var ref = poa->id_to_reference (oid.in()); CORBA::String_var str = orb->object_to_string (ref.in()); of << str.in() << endl; of.close (); /* * Activate both POAs and start serving requests */ cout << "Running." << endl; mgr->activate (); orb->run(); /* * Shutdown (never reached). This would call etherealize() for all * our accounts. */ poa->destroy (TRUE, TRUE); delete am; delete micocash; return 0; }