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#include <ace/Singleton.h>
#include <ace/Thread_Mutex.h>
#include <ace/Log_Msg.h>
#include "DelayExecutor.h"
DelayExecutor* DelayExecutor::instance()
{
return ACE_Singleton<DelayExecutor, ACE_Thread_Mutex>::instance();
}
DelayExecutor::DelayExecutor()
: activated_(false), pre_svc_hook_(0), post_svc_hook_(0)
{
}
DelayExecutor::~DelayExecutor()
{
if (pre_svc_hook_)
delete pre_svc_hook_;
if (post_svc_hook_)
delete post_svc_hook_;
deactivate();
}
int DelayExecutor::deactivate()
{
if (!activated())
return -1;
activated(false);
queue_.queue()->deactivate();
wait();
return 0;
}
int DelayExecutor::svc()
{
if (pre_svc_hook_)
pre_svc_hook_->call();
for (;;)
{
ACE_Method_Request* rq = queue_.dequeue();
if (!rq)
break;
rq->call();
delete rq;
}
if (post_svc_hook_)
post_svc_hook_->call();
return 0;
}
int DelayExecutor::activate(int num_threads, ACE_Method_Request* pre_svc_hook, ACE_Method_Request* post_svc_hook)
{
if (activated())
return -1;
if (num_threads < 1)
return -1;
if (pre_svc_hook_)
delete pre_svc_hook_;
if (post_svc_hook_)
delete post_svc_hook_;
pre_svc_hook_ = pre_svc_hook;
post_svc_hook_ = post_svc_hook;
queue_.queue()->activate();
if (ACE_Task_Base::activate(THR_NEW_LWP | THR_JOINABLE | THR_INHERIT_SCHED, num_threads) == -1)
return -1;
activated(true);
return true;
}
int DelayExecutor::execute(ACE_Method_Request* new_req)
{
if (new_req == NULL)
return -1;
if (queue_.enqueue(new_req, (ACE_Time_Value*)&ACE_Time_Value::zero) == -1)
{
delete new_req;
ACE_ERROR_RETURN((LM_ERROR, ACE_TEXT("(%t) %p\n"), ACE_TEXT("DelayExecutor::execute enqueue")), -1);
}
return 0;
}
bool DelayExecutor::activated()
{
return activated_;
}
void DelayExecutor::activated(bool s)
{
activated_ = s;
}
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