diff options
Diffstat (limited to 'TAO/examples/CSD_Strategy/ThreadPool3/ServerApp.cpp')
-rw-r--r-- | TAO/examples/CSD_Strategy/ThreadPool3/ServerApp.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/TAO/examples/CSD_Strategy/ThreadPool3/ServerApp.cpp b/TAO/examples/CSD_Strategy/ThreadPool3/ServerApp.cpp new file mode 100644 index 00000000000..8f488b1fe10 --- /dev/null +++ b/TAO/examples/CSD_Strategy/ThreadPool3/ServerApp.cpp @@ -0,0 +1,257 @@ +// $Id$ +#include "ServerApp.h" +#include "Foo_i.h" +#include "OrbTask.h" +#include "OrbShutdownTask.h" +#include "ace/Get_Opt.h" +#include "tao/CSD_ThreadPool/CSD_TP_Strategy.h" +#include "tao/Intrusive_Ref_Count_Handle_T.h" +// To force static load the service. +#include "tao/PI/PI.h" +#include "tao/CSD_ThreadPool/CSD_ThreadPool.h" + + +ServerApp::ServerApp() + : ior_filename_("ServerApp.default.ior"), + num_clients_(1), + num_orb_threads_(1) +{ +} + + +ServerApp::~ServerApp() +{ +} + + +int +ServerApp::run(int argc, char* argv[]) +{ + CORBA::ORB_var orb = CORBA::ORB_init(argc, argv, ""); + + // Parse the command-line args for this application. + // * Raises -1 if problems are encountered. + // * Returns 1 if the usage statement was explicitly requested. + // * Returns 0 otherwise. + int result = this->parse_args(argc, argv); + if (result != 0) + { + return result; + } + + TheOrbShutdownTask::instance()->orb (orb.in ()); + + CORBA::Object_var obj + = orb->resolve_initial_references("RootPOA"); + + if (CORBA::is_nil(obj.in())) + { + ACE_ERROR((LM_ERROR, + "(%P|%t) Failed to resolve initial ref for 'RootPOA'.\n")); + throw TestException(); + } + + PortableServer::POA_var root_poa + = PortableServer::POA::_narrow(obj.in()); + + if (CORBA::is_nil(root_poa.in())) + { + ACE_ERROR((LM_ERROR, + "(%P|%t) Failed to narrow obj ref to POA interface.\n")); + throw TestException(); + } + + PortableServer::POAManager_var poa_manager + = root_poa->the_POAManager(); + + // Create the child POA. + CORBA::PolicyList policies(0); + policies.length(0); + + PortableServer::POA_var child_poa + = root_poa->create_POA("ChildPoa", + poa_manager.in(), + policies); + + if (CORBA::is_nil(child_poa.in())) + { + ACE_ERROR((LM_ERROR, "(%P|%t) ERROR [ServerApp::run()]: " + "Failed to create the child POA.\n")); + throw TestException(); + } + + // Create the thread pool servant dispatching strategy object, and + // hold it in a (local) smart pointer variable. + TAO_Intrusive_Ref_Count_Handle<TAO::CSD::TP_Strategy> csd_tp_strategy = + new TAO::CSD::TP_Strategy(); + + // Tell the strategy to apply itself to the child poa. + if (csd_tp_strategy->apply_to(child_poa.in()) == false) + { + ACE_ERROR((LM_ERROR, "(%P|%t) ERROR [ServerApp::run()]: " + "Failed to apply custom dispatching strategy to child poa.\n")); + throw TestException(); + } + + // Create the servant object. + Foo_i* servant = new Foo_i(this->num_clients_); + + // local smart pointer variable to deal with releasing the reference + // to the servant object when the smart pointer object falls out of scope. + PortableServer::ServantBase_var owner_transfer(servant); + + // Activate the servant using the Child POA. + PortableServer::ObjectId_var oid + = child_poa->activate_object(servant); + + // Obtain the object reference. + obj = child_poa->servant_to_reference(servant); + + if (CORBA::is_nil(obj.in())) + { + ACE_ERROR((LM_ERROR, + "(%P|%t) Failed to activate servant (Foo_i).\n")); + throw TestException(); + } + + // Stringify the object reference + CORBA::String_var ior + = orb->object_to_string(obj.in()); + + // Write the stringified object reference to the ior file. + FILE* ior_file = ACE_OS::fopen(this->ior_filename_.c_str(), "w"); + + if (ior_file == 0) + { + ACE_ERROR((LM_ERROR, + "(%P|%t) Cannot open output file for writing IOR: %s", + this->ior_filename_.c_str())); + throw TestException(); + } + + ACE_OS::fprintf(ior_file, "%s", ior.in ()); + ACE_OS::fclose(ior_file); + + // Activate the POA Manager + poa_manager->activate(); + + ACE_DEBUG((LM_DEBUG, + "(%P|%t) ServerApp is ready.\n")); + + // If the num_orb_threads_ is exactly one, then just use the current + // (mainline) thread to run the ORB event loop. + if (this->num_orb_threads_ == 1) + { + // Since the num_orb_threads_ is exactly one, we just use the current + // (mainline) thread to run the ORB event loop. + orb->run(); + } + else + { + // The num_orb_threads_ is greater than 1, so we will use an OrbTask + // (active object) to run the ORB event loop in (num_orb_threads_ - 1) + // threads. We use the current (mainline) thread as the other thread + // running the ORB event loop. + OrbTask orb_task(orb.in(), this->num_orb_threads_ - 1); + + // Activate the OrbTask worker threads + if (orb_task.open() != 0) + { + ACE_ERROR((LM_ERROR, + "(%P|%t) Failed to open the OrbTask.\n")); + throw TestException(); + } + + // This will use the current (mainline) thread to run the ORB event loop. + orb->run(); + + // Now that the current thread has unblocked from running the orb, + // make sure to wait for all of the worker threads to complete. + orb_task.wait(); + } + + ACE_DEBUG((LM_DEBUG, + "(%P|%t) ServerApp is waiting for OrbShutdownTask.\n")); + TheOrbShutdownTask::instance()->wait (); + + // Sleep for 2 second to let the done() two-way call complete + // before cleanup. + ACE_OS::sleep (2); + + // Tear-down the root poa and orb. + root_poa->destroy(1, 1); + orb->destroy(); + + return 0; +} + + +int +ServerApp::parse_args(int argc, char* argv[]) +{ + this->exe_name_ = argv[0]; + + ACE_Get_Opt get_opts(argc, argv, "o:n:t:"); + + int c; + int tmp; + + while ((c = get_opts()) != -1) + { + switch (c) + { + case 'o': + this->ior_filename_ = get_opts.opt_arg(); + break; + + case 'n': + tmp = ACE_OS::atoi(get_opts.opt_arg()); + if (tmp < 1) + { + this->usage_statement(); + return -1; + } + + this->num_clients_ = tmp; + break; + + case 't': + tmp = ACE_OS::atoi(get_opts.opt_arg()); + if (tmp < 1) + { + this->usage_statement(); + return -1; + } + + this->num_orb_threads_ = tmp; + break; + case '?': + this->usage_statement(); + return 1; + + default: + this->usage_statement(); + return -1; + } + } + + return 0; +} + + +void +ServerApp::usage_statement() +{ + ACE_ERROR((LM_ERROR, + "Usage: %s [options]\n\n" + "OPTIONS:\n\n" + "\t[-o <ior_filename>]\n" + "\t[-n <num_clients>]\n" + "\t[-t <num_orb_threads>]\n" + "\t[-?]\n", + "Default ior_filename_prefix is 'foo'.\n" + "Default num_servants is 1.\n" + "Default num_clients is 1.\n\n", + this->exe_name_.c_str())); +} + |