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// $Id$
#include "ace/Reactor.h"
#include "ace/Thread.h"
#include "ace/Message_Queue.h"
typedef ACE_Message_Queue<ACE_MT_SYNCH> Message_Queue;
////////////////////////////////////////////////////////////////////////////////
class IPCQueue : public Message_Queue
{
protected:
ACE_Event_Handler * event_handler_;
ACE_Reactor * reactor_;
public:
IPCQueue( )
{
event_handler_ = NULL;
reactor_ = NULL;
}
void configure( ACE_Reactor * reactor, ACE_Event_Handler * handler )
{
reactor_ = reactor;
event_handler_ = handler;
}
virtual int notify(void)
{
if( reactor_ && event_handler_ )
this->reactor_->notify( event_handler_, ACE_Event_Handler::WRITE_MASK);
return 0;
}
int dequeue( ACE_Message_Block * & message_block )
{
ACE_Time_Value timeout(ACE_OS::time(0)+1,0);
return dequeue_head(message_block,&timeout) ;
}
};
////////////////////////////////////////////////////////////////////////////////
class FoobarBase
{
protected:
IPCQueue data_queue_;
ACE_Thread_Manager & thr_mgr_;
public:
FoobarBase( ACE_Thread_Manager & _thr_mgr ) : data_queue_ (), thr_mgr_ (_thr_mgr)
{
}
ACE_Thread_Manager & thr_mgr(void)
{
return thr_mgr_;
}
IPCQueue & queue()
{
return data_queue_;
}
};
////////////////////////////////////////////////////////////////////////////////
class Foobar : public FoobarBase
{
public:
Foobar( ACE_Thread_Manager & _thr_mgr ) : FoobarBase(_thr_mgr)
{
}
void produce_data( char * buf )
{
ACE_Message_Block *message_block =
new ACE_Message_Block( strlen(buf), ACE_Message_Block::MB_DATA, 0, buf );
data_queue_.enqueue_tail(message_block);
return;
}
void consume_data( char * buf )
{
if( buf )
cerr << ACE_Thread::self() << " Consuming (" << buf << ") " << (void *)buf << endl;
return;
}
};
////////////////////////////////////////////////////////////////////////////////
template <class OBJ>
class FoobarHandler : public ACE_Event_Handler
{
protected:
OBJ * foobar_;
public:
FoobarHandler(OBJ * _foobar, ACE_Reactor * reactor)
{
foobar_ = _foobar;
reactor->register_handler( this, ACE_Event_Handler::READ_MASK );
this->reactor(reactor);
foobar_->queue().configure( reactor, this );
}
virtual int handle_timeout (const ACE_Time_Value & tv, const void *arg = 0)
{
cerr << ACE_Thread::self() << " Timeout" << endl;
this->reactor()->notify( this, ACE_Event_Handler::WRITE_MASK);
return 0;
}
virtual int handle_output (ACE_HANDLE)
{
ACE_Message_Block * block = NULL;
if( foobar_->queue().dequeue(block) != -1 )
{
foobar_->consume_data( block->base() );
delete block;
}
else
{
cerr << ACE_Thread::self() << " Nothing in queue" << endl;
}
return 0;
}
};
////////////////////////////////////////////////////////////////////////////////
static void *thread_func(void * arg1)
{
Foobar * foobar = (Foobar *)arg1;
ACE_Thread_Control thread_control ( & foobar->thr_mgr() );
ACE_Reactor reactor;
FoobarHandler<Foobar> handler(foobar,&reactor);
if (reactor.schedule_timer (&handler, 0, ACE_Time_Value (1, 0), ACE_Time_Value (0, 3500000)) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "ACE_Reactor::schedule_timer"), -1);
for( int i = 0 ; i < 50 ; ++i )
{
cerr << ACE_Thread::self() << " " << i << endl;
reactor.handle_events( ACE_Time_Value(5,0 ) );
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////
main()
{
ACE_Thread_Manager thr_mgr;
cerr << ACE_Thread::self() << " Main Thread" << endl;
Foobar foobar(thr_mgr);
if (thr_mgr.spawn(ACE_THR_FUNC (thread_func),&foobar,THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR_RETURN((LM_ERROR,"%p\n","spawing client thread"),1);
sleep(1);
for( int i = 0 ; i < 10 ; ++i )
{
char buf[64];
sprintf(buf,"This is iteration %d",i);
foobar.produce_data(buf);
sleep(2);
}
thr_mgr.wait();
exit(0);
}
////////////////////////////////////////////////////////////////////////////////
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