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// -*- C++ -*-
//=============================================================================
/**
* @file DDSStateReaderListener_T.cpp
*
* $Id$
*
* @author Friedhelm Wolf (fwolf@dre.vanderbilt.edu)
*/
//=============================================================================
#ifndef _DDS_STATE_READER_LISTENER_T_CPP_
#define _DDS_STATE_READER_LISTENER_T_CPP_
template <typename DATA_TYPE>
DDSStateReaderListener_T<DATA_TYPE>::DDSStateReaderListener_T (
const std::string & id,
ReplicatedApplication_ptr application)
: id_ (id),
application_ (ReplicatedApplication::_duplicate (application))
{
}
template <typename DATA_TYPE>
DDSStateReaderListener_T<DATA_TYPE>::~DDSStateReaderListener_T (void)
{
}
template <typename DATA_TYPE>
void
DDSStateReaderListener_T<DATA_TYPE>::on_requested_deadline_missed (
DDS::DataReader_ptr,
const DDS::RequestedDeadlineMissedStatus &)
throw (CORBA::SystemException)
{
ACE_DEBUG ((LM_TRACE,
ACE_TEXT ("DDSStateReaderListener_T::")
ACE_TEXT ("on_requested_deadline_missed ()\n")));
}
template <typename DATA_TYPE>
void
DDSStateReaderListener_T<DATA_TYPE>::on_requested_incompatible_qos (
DDS::DataReader_ptr,
const DDS::RequestedIncompatibleQosStatus &status)
throw (CORBA::SystemException)
{
ACE_DEBUG ((LM_TRACE,
ACE_TEXT ("DDSStateReaderListener_T::")
ACE_TEXT ("on_requested_incompatible_qos ()")
ACE_TEXT ("count=%d id=%d\n"),
status.total_count_change,
status.last_policy_id));
}
template <typename DATA_TYPE>
void
DDSStateReaderListener_T<DATA_TYPE>::on_liveliness_changed (
DDS::DataReader_ptr,
const DDS::LivelinessChangedStatus &)
throw (CORBA::SystemException)
{
}
template <typename DATA_TYPE>
void
DDSStateReaderListener_T<DATA_TYPE>::on_subscription_matched (
DDS::DataReader_ptr,
const DDS::SubscriptionMatchedStatus &)
throw (CORBA::SystemException)
{
}
template <typename DATA_TYPE>
void
DDSStateReaderListener_T<DATA_TYPE>::on_sample_rejected (
DDS::DataReader_ptr,
const DDS::SampleRejectedStatus &)
throw (CORBA::SystemException)
{
ACE_DEBUG ((LM_TRACE,
ACE_TEXT ("DDSStateReaderListener_T::")
ACE_TEXT ("on_sample_rejected ()\n")));
}
template <typename DATA_TYPE>
void
DDSStateReaderListener_T<DATA_TYPE>::on_data_available (
DDS::DataReader_ptr reader)
throw (CORBA::SystemException)
{
typename DATA_TYPE::_data_reader_type::_var_type state_dr =
DATA_TYPE::_data_reader_type::_narrow (reader);
if (CORBA::is_nil (state_dr.in ()))
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("on_data_available(): ")
ACE_TEXT ("DDSStateReaderListener_T::_narrow() failed.\n")));
}
typename DATA_TYPE::_seq_type state_samples;
DDS::SampleInfoSeq sis;
DDS::ReturnCode_t status =
state_dr->take (state_samples,
sis,
1,
DDS::NOT_READ_SAMPLE_STATE,
DDS::ANY_VIEW_STATE,
DDS::ANY_INSTANCE_STATE);
if (status == DDS::RETCODE_OK)
{
if (state_samples.length () > 0)
{
DATA_TYPE state_sample = state_samples[0];
DDS::SampleInfo si = sis[0];
/*
ACE_DEBUG ((LM_TRACE,
ACE_TEXT ("DDSStateReaderListener_T ")
ACE_TEXT ("sample-id %s\n"),
state_sample.id.in ()));
*/
// Update the state only if it is not
// sent from within the same process.
if (id_.compare (state_sample.id) != 0)
{
// Put state information into an any
// and send it to the application.
CORBA::Any_var state (new CORBA::Any);
// Insert state value into the any.
*state <<= state_sample;
try
{
application_->set_state (state.in ());
}
catch (CORBA::SystemException & ex)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("on_data_available(): ")
ACE_TEXT ("could not send state information ")
ACE_TEXT ("to application: %s"),
ex._info ().c_str ()));
}
}
}
}
else if (status == DDS::RETCODE_NO_DATA)
{
/*
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("on_data_available(): ")
ACE_TEXT ("reader received DDS::RETCODE_NO_DATA.\n")));
*/
}
else
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("on_data_available(): ")
ACE_TEXT ("reader error: %d.\n"), status));
}
}
template <typename DATA_TYPE>
void
DDSStateReaderListener_T<DATA_TYPE>::on_sample_lost (
DDS::DataReader_ptr,
const DDS::SampleLostStatus &)
throw (CORBA::SystemException)
{
ACE_DEBUG ((LM_TRACE,
ACE_TEXT ("DDSStateReaderListener_T::")
ACE_TEXT ("on_sample_lost ()\n")));
}
#endif /* _DDS_STATE_READER_LISTENER_T_CPP_ */
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