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#include "ace/Get_Opt.h"
#include "ace/Task.h"
#include "ace/Containers_T.h"
#include "ace/Reactor.h"
#include "ace/INet/HTTP_URL.h"
#include "ace/INet/HTTP_ClientRequestHandler.h"
#include "ace/INet/String_IOStream.h"
#include "ace/Truncate.h"
#include <iostream>
int n_threads = 3;
#if defined (ACE_HAS_THREADS)
class Get_Task : public ACE_Task<ACE_MT_SYNCH>
{
public:
Get_Task (ACE_Thread_Manager *thr_mgr,
int n_threads);
virtual int svc (void);
const ACE_Array<ACE_CString>& results ();
private:
void shutdown ();
int n_threads_;
ACE_Array<ACE_CString> results_;
ACE_SYNCH_MUTEX lock_;
};
Get_Task::Get_Task (ACE_Thread_Manager *thr_mgr,
int n_threads)
: ACE_Task<ACE_MT_SYNCH> (thr_mgr),
n_threads_ (n_threads)
{
// Create worker threads.
if (this->activate (THR_NEW_LWP, n_threads_) == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("%p\n"), ACE_TEXT ("activate failed")));
else
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) started %d threads\n"), n_threads_));
}
void Get_Task::shutdown ()
{
ACE_GUARD (ACE_SYNCH_MUTEX,
guard_,
lock_);
--n_threads_;
if (n_threads_ <= 0)
{
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) ending event loop\n")));
ACE_Reactor::instance ()->end_event_loop ();
}
}
int Get_Task::svc ()
{
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) task started\n")));
ACE::HTTP::URL http_url;
if (http_url.parse ("http://www.remedy.nl"))
{
ACE::HTTP::ClientRequestHandler rh;
ACE::INet::URLStream urlin = http_url.open (rh);
if (urlin)
{
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) opened URL %C\n"), http_url.to_string ().c_str ()));
ACE::IOS::CString_OStream sos;
sos << urlin->rdbuf ();
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) result downloaded\n")));
if (!sos.bad ())
{
ACE_GUARD_RETURN (ACE_SYNCH_MUTEX,
guard_,
lock_,
0);
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) storing result\n")));
results_.size (results_.size () + 1);
results_[results_.size ()-1] = sos.str ();
}
}
else
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) failed to open URL %C\n"), http_url.to_string ().c_str ()));
shutdown ();
}
else
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) failed to parse URL : result = %C\n"),
http_url.to_string ().c_str ()));
}
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) task finished\n")));
return 0;
}
const ACE_Array<ACE_CString>& Get_Task::results ()
{
return results_;
}
class Get_MultiTask : public ACE_Task<ACE_MT_SYNCH>
{
public:
Get_MultiTask (ACE_Thread_Manager *thr_mgr);
virtual int svc (void);
int failures ();
private:
const char* get_url ();
void wait_for_all ();
void shutdown ();
int n_threads_;
int n_thread_starts_;
int n_open_urls_;
int n_fails_;
ACE_SYNCH_MUTEX lock_;
ACE_SYNCH_CONDITION signal_;
};
const char* urls_[] = {
"http://www.theaceorb.nl",
"http://www.remedy.nl",
"http://www.google.com"
};
Get_MultiTask::Get_MultiTask (ACE_Thread_Manager *thr_mgr)
: ACE_Task<ACE_MT_SYNCH> (thr_mgr),
n_threads_ (sizeof (urls_)/sizeof (const char*)),
n_thread_starts_ (0),
n_open_urls_ (0),
n_fails_ (n_threads_),
signal_ (lock_)
{
// Create worker threads.
if (this->activate (THR_NEW_LWP, n_threads_) == -1)
ACE_ERROR ((LM_ERROR, ACE_TEXT ("%p\n"), ACE_TEXT ("activate failed")));
}
const char* Get_MultiTask::get_url ()
{
ACE_GUARD_RETURN (ACE_SYNCH_MUTEX,
guard_,
lock_,
0);
const char* url = urls_[n_thread_starts_];
++n_thread_starts_;
return url;
}
void Get_MultiTask::wait_for_all ()
{
ACE_GUARD (ACE_SYNCH_MUTEX,
guard_,
lock_);
++n_open_urls_;
if (n_open_urls_ == n_threads_)
signal_.broadcast (); // signal all threads that all urls are opened
else
signal_.wait (); // wait for all urls to be opened
}
void Get_MultiTask::shutdown ()
{
ACE_GUARD (ACE_SYNCH_MUTEX,
guard_,
lock_);
--n_threads_;
if (n_threads_ <= 0)
{
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) ending event loop\n")));
ACE_Reactor::instance ()->end_event_loop ();
}
}
int Get_MultiTask::svc ()
{
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) multitask started\n")));
ACE::HTTP::URL http_url;
const char* url = get_url ();
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) parsing URL %C\n"), url));
if (http_url.parse (url))
{
ACE::HTTP::ClientRequestHandler rh;
http_url.open (rh);
if (rh.response_stream ())
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) opened URL %C\n"), http_url.to_string ().c_str ()));
else
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) failed to open URL %C\n"), http_url.to_string ().c_str ()));
wait_for_all ();
if (rh.response_stream ())
{
ACE::IOS::CString_OStream sos;
sos << rh.response_stream ().rdbuf ();
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) result downloaded\n")));
if (!sos.bad ())
{
ACE_GUARD_RETURN (ACE_SYNCH_MUTEX,
guard_,
lock_,
0);
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) marking result\n")));
--n_fails_;
}
}
shutdown ();
}
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) task finished\n")));
return 0;
}
int Get_MultiTask::failures ()
{
return n_fails_;
}
#endif
int
ACE_TMAIN (int, ACE_TCHAR *[])
{
#if defined (ACE_HAS_THREADS)
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) MGet_Test started\n")));
ACE_Reactor* reactor = ACE_Reactor::instance ();
#if 1
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) starting serialized test\n")));
Get_Task get_task (ACE_Thread_Manager::instance (),
n_threads);
// run event loop until ended by last task thread
reactor->run_event_loop ();
// all threads really ended?
ACE_Thread_Manager::instance ()->wait ();
// All threads should have resulted in the same data...
if (get_task.results ().size () != ACE_Utils::truncate_cast<size_t> (n_threads))
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%d results found; ")
ACE_TEXT ("should be %d\n"),
get_task.results ().size (),
n_threads));
}
else
{
const ACE_Array<ACE_CString>& results = get_task.results ();
for (int i=1;
i < n_threads;
++i)
{
if (results[0] != results[i])
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("result %d does not match other results\n"),
i));
}
}
}
#endif
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) starting parallelized test\n")));
reactor->reset_event_loop ();
Get_MultiTask get_multi_task (ACE_Thread_Manager::instance ());
// run event loop until ended by last task thread
reactor->run_event_loop ();
// all threads really ended?
ACE_Thread_Manager::instance ()->wait ();
// All threads should have resulted in data...
if (get_multi_task.failures () > 0)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%d failures found"),
get_multi_task.failures ()));
}
ACE_DEBUG ((LM_INFO, ACE_TEXT ("(%P|%t) MGet_Test finished\n")));
#else
ACE_ERROR ((LM_INFO,
ACE_TEXT ("threads not supported on this platform\n")));
#endif /* ACE_HAS_THREADS */
return 0;
}
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