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/* -*- C++ -*- */
//=============================================================================
/**
* @file Consumer.h
*
* $Id$
*
* @author Carlos O'Ryan (coryan@cs.wustl.edu)
*/
//=============================================================================
#ifndef EC_CONSUMER_H
#define EC_CONSUMER_H
#include "Driver.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "orbsvcs/orbsvcs/RtecEventCommS.h"
#include "orbsvcs/orbsvcs/RtecEventChannelAdminC.h"
#include "ace/OS_NS_time.h"
/**
* @class EC_Consumer
*
* @brief Simple consumer object to implement EC tests.
*
* This class is a consumer of events.
* The class is just a helper to simplify common tasks in EC
* tests, such as subscribing for a range of events, disconnecting
* from the EC, informing the driver of shutdown messages, etc.
* There are several ways to connect and disconnect this class,
* and it is up to the driver program to use the right one.
*/
class EC_Test_Export EC_Consumer : public POA_RtecEventComm::PushConsumer
{
public:
/// Constructor
EC_Consumer (EC_Driver* driver, void* cookie);
/// The driver program can build the QoS attributes and obtain the
/// ConsumerAdmin, we do the rest.
virtual void connect (
RtecEventChannelAdmin::ConsumerAdmin_ptr consumer_admin,
const RtecEventChannelAdmin::ConsumerQOS& qos,
int shutdown_event_type
ACE_ENV_ARG_DECL);
/**
* The driver program can build the QoS attributes and we use
* whatevet supplier_proxy we already have (useful for reconnection
* tests).
*/
virtual void connect (
const RtecEventChannelAdmin::ConsumerQOS& qos,
int shutdown_event_type
ACE_ENV_ARG_DECL);
/// returns 0 if it is not connected
virtual int connected (void) const;
/// The application can invoke this method to disconnect from the EC
/// and deactivate this class.
void disconnect (ACE_ENV_SINGLE_ARG_DECL);
/// The application is shutting down, deactivate the consumer.
void shutdown (ACE_ENV_SINGLE_ARG_DECL);
/// Accumulate our statistics to the totals.
void accumulate (ACE_Throughput_Stats& throughput) const;
/// Printout the statistics
virtual void dump_results (const char* name,
ACE_UINT32 global_scale_factor);
// = The RtecEventComm::PushConsumer methods
/// The skeleton methods.
virtual void push (const RtecEventComm::EventSet& events
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException));
virtual void disconnect_push_consumer (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException));
private:
/// The main driver for the test.
EC_Driver* driver_;
/// A magic cookie passed by the driver that we pass back in our
/// callbacks.
void* cookie_;
/// We talk to the EC using this proxy.
RtecEventChannelAdmin::ProxyPushSupplier_var supplier_proxy_;
/// Protect internal state
TAO_SYNCH_MUTEX lock_;
/// The timestamp for the first message received
ACE_hrtime_t throughput_start_;
/// Used for reporting stats
ACE_Throughput_Stats throughput_;
/// The number of push() calls
int push_count_;
/// The type used to indicate shutdown
int shutdown_event_type_;
/// Is the consumer active in the POA?
int is_active_;
/// Cache the object reference to speed up connect/disconnect calls.
RtecEventComm::PushConsumer_var myself_;
};
#endif /* ECT_CONSUMER_H */
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