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-rw-r--r--tests/Future_Test.cpp516
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diff --git a/tests/Future_Test.cpp b/tests/Future_Test.cpp
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-// $Id$
-
-// ============================================================================
-//
-// = LIBRARY
-// tests
-//
-// = FILENAME
-// Future_Test.cpp
-//
-// = DESCRIPTION
-// This example tests the ACE Future.
-//
-// = AUTHOR
-// Andres Kruse <Andres.Kruse@cern.ch>, Douglas C. Schmidt
-// <schmidt@cs.wustl.edu> and Per Andersson <pera@ipso.se>
-//
-// ============================================================================
-
-#include "test_config.h"
-#include "ace/ACE.h"
-#include "ace/Task.h"
-#include "ace/Synch.h"
-#include "ace/Message_Queue.h"
-#include "ace/Future.h"
-#include "ace/Method_Object.h"
-#include "ace/Activation_Queue.h"
-#include "ace/Auto_Ptr.h"
-
-#if defined (ACE_HAS_THREADS)
-
-typedef ACE_Atomic_Op<ACE_Thread_Mutex, int> ATOMIC_INT;
-
-// a counter for the tasks..
-static ATOMIC_INT task_count (0);
-
-// a counter for the futures..
-static ATOMIC_INT future_count (0);
-
-// a counter for the capsules..
-static ATOMIC_INT capsule_count (0);
-
-// a counter for the method objects...
-static ATOMIC_INT methodobject_count (0);
-
-class Scheduler : public ACE_Task_Base
- // = TITLE
- // Active Object Scheduler.
-{
-public:
- Scheduler (const ASYS_TCHAR *, Scheduler * = 0);
- virtual ~Scheduler (void);
-
- virtual int open (void *args = 0);
- virtual int close (u_long flags = 0);
- virtual int svc (void);
-
- ACE_Future<u_long> work (u_long param, int count = 1);
- ACE_Future<const ASYS_TCHAR*> name (void);
- void end (void);
-
- u_long work_i (u_long, int);
- const ASYS_TCHAR *name_i (void);
-
-private:
- ASYS_TCHAR *name_;
- ACE_Activation_Queue activation_queue_;
- Scheduler *scheduler_;
-};
-
-class Method_Object_work : public ACE_Method_Object
- // = TITLE
- // Reification of the <work> method.
-{
-public:
- Method_Object_work (Scheduler *, u_long, int, ACE_Future<u_long> &);
- virtual ~Method_Object_work (void);
- virtual int call (void);
-
-private:
- Scheduler *scheduler_;
- u_long param_;
- int count_;
- ACE_Future<u_long> future_result_;
-};
-
-Method_Object_work::Method_Object_work (Scheduler* new_Scheduler,
- u_long new_param,
- int new_count,
- ACE_Future<u_long> &new_result)
- : scheduler_ (new_Scheduler),
- param_ (new_param),
- count_ (new_count),
- future_result_ (new_result)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Method_Object_work created\n")));
-}
-
-Method_Object_work::~Method_Object_work (void)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Method_Object_work will be deleted.\n")));
-}
-
-
-int
-Method_Object_work::call (void)
-{
- return this->future_result_.set
- (this->scheduler_->work_i (this->param_,
- this->count_));
-}
-
-class Method_Object_name : public ACE_Method_Object
- // = TITLE
- // Reification of the <name> method.
-{
-public:
- Method_Object_name (Scheduler *,
- ACE_Future<const ASYS_TCHAR*> &);
- virtual ~Method_Object_name (void);
- virtual int call (void);
-
-private:
- Scheduler *scheduler_;
- ACE_Future<const ASYS_TCHAR*> future_result_;
-};
-
-Method_Object_name::Method_Object_name (Scheduler *new_scheduler,
- ACE_Future<const ASYS_TCHAR*> &new_result)
- : scheduler_ (new_scheduler),
- future_result_ (new_result)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Method_Object_name created\n")));
-}
-
-Method_Object_name::~Method_Object_name (void)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Method_Object_name will be deleted.\n")));
-}
-
-int
-Method_Object_name::call (void)
-{
- return future_result_.set (scheduler_->name_i ());
-}
-
-class Method_Object_end : public ACE_Method_Object
- // = TITLE
- // Reification of the <end> method.
-{
-public:
- Method_Object_end (Scheduler *new_Scheduler)
- : scheduler_ (new_Scheduler) {}
- virtual ~Method_Object_end (void) {}
- virtual int call (void) {
- this->scheduler_->close ();
- return -1;
- }
-
-private:
- Scheduler *scheduler_;
-};
-
-// constructor
-Scheduler::Scheduler (const ASYS_TCHAR *newname,
- Scheduler *new_Scheduler)
-{
- ACE_NEW (this->name_, ASYS_TCHAR[ACE_OS::strlen (newname) + 1]);
- ACE_OS::strcpy ((ASYS_TCHAR *) this->name_, newname);
- this->scheduler_ = new_Scheduler;
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Scheduler %s created\n"),
- this->name_));
-}
-
-// Destructor
-Scheduler::~Scheduler (void)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Scheduler %s will be destroyed\n"),
- this->name_));
- delete[] this->name_;
-}
-
-// open
-int
-Scheduler::open (void *)
-{
- task_count++;
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Scheduler %s open\n"),
- this->name_));
- // Become an Active Object.
- return this->activate (THR_BOUND | THR_DETACHED);
-}
-
-// close
-int
-Scheduler::close (u_long)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Scheduler %s close\n"),
- this->name_));
- task_count--;
- return 0;
-}
-
-// service..
-int
-Scheduler::svc (void)
-{
- for (;;)
- {
- // Dequeue the next method object (we use an auto pointer in
- // case an exception is thrown in the <call>).
- auto_ptr<ACE_Method_Object> mo (this->activation_queue_.dequeue ());
-
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) calling method object\n")));
- // Call it.
- if (mo->call () == -1)
- break;
- // Destructor automatically deletes it.
- }
-
- /* NOTREACHED */
- return 0;
-}
-
-void
-Scheduler::end (void)
-{
- this->activation_queue_.enqueue (new Method_Object_end (this));
-}
-
-
-// Here's where the Work takes place.
-u_long
-Scheduler::work_i (u_long param,
- int count)
-{
- ACE_UNUSED_ARG (count);
-
- return ACE::is_prime (param, 2, param / 2);
-}
-
-const ASYS_TCHAR *
-Scheduler::name_i (void)
-{
- return this->name_;
-}
-
-ACE_Future<const ASYS_TCHAR *>
-Scheduler::name (void)
-{
- if (this->scheduler_)
- // Delegate to the Scheduler.
- return this->scheduler_->name ();
- else
- {
- ACE_Future<const ASYS_TCHAR*> new_future;
-
- // @@ What happens if new fails here?
- this->activation_queue_.enqueue
- (new Method_Object_name (this, new_future));
-
- return new_future;
- }
-}
-
-ACE_Future<u_long>
-Scheduler::work (u_long newparam, int newcount)
-{
- if (this->scheduler_) {
- return this->scheduler_->work (newparam, newcount);
- }
- else {
- ACE_Future<u_long> new_future;
-
- this->activation_queue_.enqueue
- (new Method_Object_work (this, newparam,
- newcount, new_future));
- return new_future;
- }
-}
-
-// @@ These values should be set by the command line options!
-
-// Total number of loops.
-static int n_loops = 100;
-
-#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
-template class ACE_Atomic_Op<ACE_Thread_Mutex, int>;
-template class ACE_Future<const ASYS_TCHAR *>;
-template class ACE_Future<int>;
-template class ACE_Future<u_long>;
-template class ACE_Future_Rep<ASYS_TCHAR const *>;
-template class ACE_Future_Rep<int>;
-template class ACE_Future_Rep<u_long>;
-template class auto_ptr<ACE_Method_Object>;
-template class ACE_Auto_Basic_Ptr<ACE_Method_Object>;
-#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
-#pragma instantiate ACE_Atomic_Op<ACE_Thread_Mutex, int>
-#pragma instantiate ACE_Future<const ASYS_TCHAR *>
-#pragma instantiate ACE_Future<int>
-#pragma instantiate ACE_Future<u_long>
-#pragma instantiate ACE_Future_Rep<ASYS_TCHAR const *>
-#pragma instantiate ACE_Future_Rep<int>
-#pragma instantiate ACE_Future_Rep<u_long>
-#pragma instantiate auto_ptr<ACE_Method_Object>
-#pragma instantiate ACE_Auto_Basic_Ptr<ACE_Method_Object>
-#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
-
-#endif /* ACE_HAS_THREADS */
-
-int
-main (int, ASYS_TCHAR *[])
-{
- ACE_START_TEST (ASYS_TEXT ("Future_Test"));
-
-#if defined (ACE_HAS_THREADS)
- Scheduler *andres = 0, *peter = 0, *helmut = 0, *matias = 0;
-
- // Create active objects..
- // @@ Should "open" be subsumed within the constructor of
- // Scheduler()?
- ACE_NEW_RETURN (andres, Scheduler (ASYS_TEXT ("andres")), -1);
- andres->open ();
- ACE_NEW_RETURN (peter, Scheduler (ASYS_TEXT ("peter")), -1);
- peter->open ();
- ACE_NEW_RETURN (helmut, Scheduler (ASYS_TEXT ("helmut")), -1);
- helmut->open ();
-
- // Matias passes all asynchronous method calls on to Andres...
- ACE_NEW_RETURN (matias, Scheduler (ASYS_TEXT ("matias"), andres), -1);
- matias->open ();
-
- for (int i = 0; i < n_loops; i++)
- {
- {
- ACE_Future<u_long> fresulta, fresultb, fresultc, fresultd, fresulte;
- ACE_Future<const ASYS_TCHAR*> fname;
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) going to do a non-blocking call\n")));
-
- fresulta = andres->work (9013);
- fresultb = peter->work (9013);
- fresultc = helmut->work (9013);
- fresultd = matias->work (9013);
- fname = andres->name ();
-
- // see if the result is available...
- if (fresulta.ready ())
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) wow.. work is ready.....\n")));
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) non-blocking call done... now blocking...\n")));
-
- // Save the result of fresulta.
-
- fresulte = fresulta;
-
- if (i % 3 == 0)
- {
- // Every 3rd time... disconnect the futures...
- // but "fresulte" should still contain the result...
- fresulta.cancel (10ul);
- fresultb.cancel (20ul);
- fresultc.cancel (30ul);
- fresultd.cancel (40ul);
- }
-
- u_long resulta = 0, resultb = 0, resultc = 0, resultd = 0, resulte = 0;
-
- fresulta.get (resulta);
- fresultb.get (resultb);
- fresultc.get (resultc);
- fresultd.get (resultd);
- fresulte.get (resulte);
-
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) result a %u\n"), (u_int) resulte));
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) result b %u\n"), (u_int) resulta));
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) result c %u\n"), (u_int) resultb));
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) result d %u\n"), (u_int) resultc));
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) result e %u\n"), (u_int) resultd));
-
- const ASYS_TCHAR *name;
-
- fname.get (name);
-
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) name %s\n"), name));
-
- }
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) task_count %d future_count %d capsule_count %d methodobject_count %d\n"),
- task_count.value (),
- future_count.value (),
- capsule_count.value (),
- methodobject_count.value ()));
- }
-
- // Close things down.
- andres->end ();
- peter->end ();
- helmut->end ();
- matias->end ();
-
- ACE_OS::sleep (2);
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) task_count %d future_count %d capsule_count %d methodobject_count %d\n"),
- task_count.value (),
- future_count.value (),
- capsule_count.value (),
- methodobject_count.value ()));
-
- {
- // Check if set then get works, older versions of ACE_Future
- // will lock forever (or until the timer expires), will use a small
- // timer value to avoid blocking the process.
-
- ACE_Future<int> f1;
- f1.set(100);
-
- ACE_Time_Value timeout(1);
- int value = 0;
-
- if (f1.get (value, &timeout) == 0 && value == 100)
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("Ace_Future<T>::Set followed by Ace_Future<T>::Get works.\n")));
- else
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("ACE_Future<T>::Set followed by Ace_Future<T>::Get does ")
- ASYS_TEXT ("not work, broken Ace_Future<> implementation.\n")));
- }
- {
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("Checking if Ace_Future<T>::operator= is implemented ")
- ASYS_TEXT ("incorrectly this might crash the program.\n")));
-
- ACE_Future<int> f1;
- {
- ACE_Future<int> f2 (f1); // To ensure that a rep object is created
- }
- // Now it is one ACE_Future<int> referencing the rep instance
-
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("0.\n")));
- //check that self assignment works
- f1 = f1;
- // Is there any repesentation left, and if so what is the ref
- // count older ACE_Future<> implementations have deleted the rep
- // instance at this moment
-
- // The stuff below might crash the process if the op=
- // implementation was bad
- int value = 0;
- ACE_Time_Value timeout (1);
-
- f1.set (100);
- f1.get (value, &timeout);
-
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("1.\n")));
- { // Might delete the same data a couple of times
- ACE_Future<int> f2 (f1);
- f1.set (100);
- f1.get (value, &timeout);
- }
-
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("2.\n")));
- {
- ACE_Future<int> f2 (f1);
- f1.set (100);
- f1.get (value, &timeout);
- }
-
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("3.\n")));
- {
- ACE_Future<int> f2 (f1);
- f1.set (100);
- f1.get (value, &timeout);
- }
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("4.\n")));
- {
- ACE_Future<int> f2 (f1);
- f1.set (100);
- f1.get (value, &timeout);
- }
- ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("5.\n")));
- {
- ACE_Future<int> f2 (90);
- f2.get (value, &timeout);
- f1.get (value, &timeout);
- }
- }
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("No it did not crash the program.\n")));
-
- ACE_OS::sleep (5);
-
- delete andres;
- delete peter;
- delete helmut;
- delete matias;
-
-#else
- ACE_ERROR ((LM_ERROR, ASYS_TEXT ("threads not supported on this platform\n")));
-#endif /* ACE_HAS_THREADS */
- ACE_END_TEST;
- return 0;
-}