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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ORBSVCS Real-time Event Channel testsuite
//
// = FILENAME
// Consumer
//
// = 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/RtecEventCommS.h"
#include "orbsvcs/RtecEventChannelAdminC.h"
class EC_Test_Export EC_Consumer : public POA_RtecEventComm::PushConsumer
{
// = TITLE
// Simple consumer object to implement EC tests.
//
// = DESCRIPTION
// 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.
//
public:
EC_Consumer (EC_Driver* driver, void* cookie);
// Constructor
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 obtain the
// ConsumerAdmin, we do the rest.
virtual void connect (
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 int connected (void) const;
// returns 0 if it is not connected
void disconnect (ACE_ENV_SINGLE_ARG_DECL);
// The application can invoke this method to disconnect from the EC
// and deactivate this class.
void shutdown (ACE_ENV_SINGLE_ARG_DECL);
// The application is shutting down, deactivate the consumer.
void accumulate (ACE_Throughput_Stats& throughput) const;
// Accumulate our statistics to the totals.
virtual void dump_results (const char* name,
ACE_UINT32 global_scale_factor);
// Printout the statistics
// = The RtecEventComm::PushConsumer 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));
// The skeleton methods.
private:
EC_Driver* driver_;
// The main driver for the test.
void* cookie_;
// A magic cookie passed by the driver that we pass back in our
// callbacks.
RtecEventChannelAdmin::ProxyPushSupplier_var supplier_proxy_;
// We talk to the EC using this proxy.
TAO_SYNCH_MUTEX lock_;
// Protect internal state
ACE_hrtime_t throughput_start_;
// The timestamp for the first message received
ACE_Throughput_Stats throughput_;
// Used for reporting stats
int push_count_;
// The number of push() calls
int shutdown_event_type_;
// The type used to indicate shutdown
int is_active_;
// Is the consumer active in the POA?
RtecEventComm::PushConsumer_var myself_;
// Cache the object reference to speed up connect/disconnect calls.
};
#endif /* ECT_CONSUMER_H */
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