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/* IBM_PROLOG_BEGIN_TAG
* This is an automatically generated prolog.
*
* $Source: src/usr/diag/attn/test/attnrandsource.C $
*
* IBM CONFIDENTIAL
*
* COPYRIGHT International Business Machines Corp. 2012
*
* p1
*
* Object Code Only (OCO) source materials
* Licensed Internal Code Source Materials
* IBM HostBoot Licensed Internal Code
*
* The source code for this program is not published or other-
* wise divested of its trade secrets, irrespective of what has
* been deposited with the U.S. Copyright Office.
*
* Origin: 30
*
* IBM_PROLOG_END_TAG
*/
/**
* @file attnrandsource.C
*
* @brief HBATTN Random attention source class method definitions.
*/
#include "attnrandsource.H"
#include "attninject.H"
#include "../attntrace.H"
#include "sys/time.h"
using namespace PRDF;
using namespace TARGETING;
using namespace std;
namespace ATTN
{
bool RandSource::start()
{
bool success = false;
mutex_lock(&iv_mutex);
if(!iv_tid)
{
iv_tid = task_create(&main, this);
}
success = iv_tid != 0;
ATTN_DBG("RandSource started: %d", iv_tid);
mutex_unlock(&iv_mutex);
return success;
}
bool RandSource::wait()
{
mutex_lock(&iv_mutex);
tid_t t = iv_tid;
iv_tid = 0;
mutex_unlock(&iv_mutex);
if(t)
{
task_wait_tid(t, 0, 0);
}
return true;
}
void* RandSource::main(void * i_source)
{
RandSource * src = static_cast<RandSource *>(i_source);
src->run();
return NULL;
}
void RandSource::run()
{
mutex_lock(&iv_mutex);
uint64_t iterations = iv_iterations, delay, count;
mutex_unlock(&iv_mutex);
while(iterations--)
{
delay = randint(TEN_CTX_SWITCHES_NS, TEN_CTX_SWITCHES_NS * 10) / iv_iterations +1;
count = randint(1, iv_max);
nanosleep(0, delay);
AttnList l;
AttnData d;
while(count--)
{
// select a random target
// generate a random attention
d.targetHndl = *(iv_first + randint(0, distance(iv_first, iv_last) -1));
d.attnType = getRandomAttentionType();
l.push_back(d);
}
iv_injectSink->putAttentions(l);
}
}
RandSource::RandSource(
uint64_t i_iterations,
uint64_t i_maxAttnsPerIteration,
InjectSink & i_injectSink,
TargetHandle_t * i_first,
TargetHandle_t * i_last)
: iv_tid(0),
iv_iterations(i_iterations),
iv_max(i_maxAttnsPerIteration),
iv_injectSink(&i_injectSink),
iv_first(i_first),
iv_last(i_last)
{
mutex_init(&iv_mutex);
}
RandSource::~RandSource()
{
mutex_destroy(&iv_mutex);
}
}
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