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// $Id$
#include "ace/OS_NS_unistd.h"
#include "Notify_Structured_Push_Consumer.h"
#include "Notify_Test_Client.h"
#include "orbsvcs/Notify/Notify_Extensions.h"
#include "common.h"
#include "tao/debug.h"
static const int CONSUMER_DELAY = 1; // seconds.
Notify_Structured_Push_Consumer::Notify_Structured_Push_Consumer (
const char* name,
TimeBase::TimeT block,
unsigned int expected,
Notify_Test_Client& client)
: name_ (name),
blocking_timeout_ (block),
expected_ (expected),
count_ (0),
client_ (client)
{
this->client_.consumer_start (this);
}
void
Notify_Structured_Push_Consumer::_connect (
CosNotifyChannelAdmin::ConsumerAdmin_ptr consumer_admin
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
CosNotifyComm::StructuredPushConsumer_var objref =
this->_this (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
CosNotifyChannelAdmin::ProxySupplier_var proxysupplier =
consumer_admin->obtain_notification_push_supplier (
CosNotifyChannelAdmin::STRUCTURED_EVENT,
proxy_id_
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
this->proxy_ =
CosNotifyChannelAdmin::StructuredProxyPushSupplier::_narrow (
proxysupplier.in () ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
CosNotification::QoSProperties properties (2);
properties.length (2);
// The discard policy and admin properties tests already test using
// the MaxQueueLength policy, so we'll use MEPC instead. It should
// make no difference.
// If the blocking timeout is less than CONSUMER_DELAY seconds, then
// we want to ensure that exactly one event is discarded, so we set
// the MEPC to expected_ - 1. If the supplier sends 20, then we expect 19,
// and we set MEPC to 18. The first event will be dispatched at once, but
// will block in the consumer. This will allow the queue in the notify svc
// to fill up to 18. However, the blocking code will timeout before the
// consumer finishes which will cause an event to be discarded. This will
// allow the last event to be queued. Eventually the consumer will unblock
// and receive the remaining events
properties[0].name = CORBA::string_dup (CosNotification::MaxEventsPerConsumer);
if (blocking_timeout_ < CONSUMER_DELAY * 1000 * 1000 * 10)
properties[0].value <<= (CORBA::Long) expected_ - 1;
else
properties[0].value <<= (CORBA::Long) 10;
properties[1].name = CORBA::string_dup (TAO_Notify_Extensions::BlockingPolicy);
properties[1].value <<= this->blocking_timeout_;
this->proxy_->set_qos (properties);
this->proxy_->connect_structured_push_consumer (objref.in ()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
// give ownership to POA
this->_remove_ref (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
}
void
Notify_Structured_Push_Consumer::push_structured_event (
const CosNotification::StructuredEvent& event
ACE_ENV_ARG_DECL_NOT_USED /*ACE_ENV_SINGLE_ARG_PARAMETER*/)
ACE_THROW_SPEC ((CORBA::SystemException))
{
ACE_DEBUG((LM_DEBUG, "-"));
ACE_UNUSED_ARG(event);
this->count_++;
if (this->count_ > this->expected_)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Structured Consumer (%P|%t): ERROR: too ")
ACE_TEXT ("many events received.\n")));
}
if (this->count_ >= this->expected_)
{
ACE_DEBUG((LM_DEBUG, "\nConsumer received %u events.\n", count_));
this->client_.consumer_done (this);
}
// By pausing here, we force the channel to back up, which will
// either result in discarding of events, or blocking, depending
// on whether our BlockingPolicy is greater than the following
// delay time.
// A BlockingPolicy > 1 second should allow the first event.
// A BlockingPolicy < 1 second should discard the first event.
if (count_ == 1)
ACE_OS::sleep (CONSUMER_DELAY);
}
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