1 files changed, 186 insertions, 0 deletions
diff --git a/ACE/examples/APG/Active_Objects/AO.cpp b/ACE/examples/APG/Active_Objects/AO.cpp
new file mode 100644
index 00000000000..a8b1683fbb1
--- /dev/null
+++ b/ACE/examples/APG/Active_Objects/AO.cpp
@@ -0,0 +1,186 @@
+// $Id$
+
+#include "ace/config-lite.h"
+#if defined (ACE_HAS_THREADS)
+
+#include "ace/OS_NS_unistd.h"
+#include "ace/Activation_Queue.h"
+#include "ace/Method_Request.h"
+#include "ace/Task.h"
+#include "ace/Future.h"
+#include "ace/Auto_Ptr.h"
+// Listing 1 code/ch15
+class HA_ControllerAgent
+{
+  // Proxy to the HA_Controller that is on the network.
+public:
+  HA_ControllerAgent ()
+  {
+    ACE_TRACE("HA_ControllerAgent::HA_ControllerAgent");
+    status_result_ = 1;
+  }
+
+  int status_update (void)
+  {
+    ACE_TRACE ("HA_ControllerAgent::status_update");
+    ACE_DEBUG ((LM_DEBUG,
+                ACE_TEXT ("Obtaining a status_update in %t ")
+                ACE_TEXT ("thread of control\n")));
+    // Simulate time to send message and get status.
+    ACE_OS::sleep (2);
+    return next_result_id ();
+  }
+
+private:
+  int next_result_id (void)
+  {
+    ACE_TRACE ("HA_ControllerAgent::next_cmd_id");
+    return status_result_++;
+  }
+
+  int status_result_;
+};
+// Listing 1
+// Listing 2 code/ch15
+class StatusUpdate : public ACE_Method_Request
+{
+public:
+  StatusUpdate (HA_ControllerAgent& controller,
+                ACE_Future<int>& returnVal)
+    : controller_(controller), returnVal_(returnVal)
+  {
+    ACE_TRACE ("StatusUpdate::StatusUpdate");
+  }
+
+  virtual int call (void)
+  {
+    ACE_TRACE ("StatusUpdate::call");
+
+    // status_update with the controller.
+    this->returnVal_.set (this->controller_.status_update ());
+    return 0;
+  }
+
+private:
+  HA_ControllerAgent& controller_;
+  ACE_Future<int> returnVal_;
+};
+// Listing 2
+// Listing 3 code/ch15
+class ExitMethod : public ACE_Method_Request
+{
+public:
+  virtual int call (void)
+  {
+    // Cause exit.
+    return -1;
+  }
+};
+// Listing 3
+// Listing 4 code/ch15
+class Scheduler : public ACE_Task_Base
+{
+public:
+  Scheduler ()
+  {
+    ACE_TRACE ("Scheduler::Scheduler");
+    this->activate ();
+  }
+
+  virtual int svc (void)
+  {
+    ACE_TRACE ("Scheduler::svc");
+
+    while (1)
+      {
+        // Dequeue the next method object
+        auto_ptr<ACE_Method_Request>
+          request (this->activation_queue_.dequeue ());
+
+        // Invoke the method request.
+        if (request->call () == -1)
+          break;
+      }
+
+    return 0;
+  }
+
+  int enqueue (ACE_Method_Request *request)
+  {
+    ACE_TRACE ("Scheduler::enqueue");
+    return this->activation_queue_.enqueue (request);
+  }
+
+private:
+  ACE_Activation_Queue activation_queue_;
+};
+// Listing 4
+// Listing 5 code/ch15
+class HA_ControllerAgentProxy
+{
+  // This acts as a Proxy to the controller impl object.
+public:
+  ACE_Future<int> status_update (void)
+  {
+    ACE_TRACE("HA_ControllerAgentProxy::status_update");
+    ACE_Future<int> result;
+
+    // Create and enqueue a method request on the scheduler.
+    this->scheduler_.enqueue
+      (new StatusUpdate (this->controller_, result));
+
+    // Return Future to the client.
+    return result;
+  }
+
+  //FUZZ: disable check_for_lack_ACE_OS
+  void exit (void)
+  {
+  //FUZZ: enable check_for_lack_ACE_OS
+    ACE_TRACE ("HA_ControllerAgentProxy::exit");
+    this->scheduler_.enqueue (new ExitMethod);
+  }
+
+private:
+  Scheduler scheduler_;
+  HA_ControllerAgent controller_;
+};
+// Listing 5
+// Listing 6 code/ch15
+int ACE_TMAIN (int, ACE_TCHAR *[])
+{
+  HA_ControllerAgentProxy controller;
+  ACE_Future<int> results[10];
+
+  for (int i = 0 ; i < 10; i++)
+    results[i] = controller.status_update ();
+
+  ACE_OS::sleep (5);  // Do other work.
+
+  // Get results...
+  for (int j = 0; j < 10; j++)
+    {
+      int result = 0;
+      results[j].get (result);
+      ACE_DEBUG ((LM_DEBUG,
+                  ACE_TEXT ("New status_update %d\n"), result));
+    }
+
+  // Cause the status_updater threads to exit.
+  controller.exit ();
+  ACE_Thread_Manager::instance ()->wait ();
+  return 0;
+}
+// Listing 6
+
+#else
+#include "ace/OS_main.h"
+#include "ace/OS_NS_stdio.h"
+
+int ACE_TMAIN (int, ACE_TCHAR *[])
+{
+  ACE_OS::puts (ACE_TEXT ("This example requires threads."));
+  return 0;
+}
+
+#endif /* ACE_HAS_THREADS */