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-rw-r--r--TAO/examples/CSD_Strategy/ThreadPool3/ServerApp.cpp257
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
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+++ 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()));
+}
+