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// $Id$
#include "dds4ccm/impl/Utils.h"
#include "dds4ccm/impl/logger/Log_Macros.h"
#include "dds4ccm/impl/DataReaderHandler_T.h"
#include "tao/ORB_Core.h"
#include <vector>
namespace CIAO
{
namespace DDS4CCM
{
template <typename CCM_TYPE, typename TYPED_DDS_READER, typename SEQ_TYPE, DDS4CCM_LISTENER_READ_TAKE LRT>
DataReaderStateListenerBase_T<CCM_TYPE, TYPED_DDS_READER, SEQ_TYPE, LRT>::DataReaderStateListenerBase_T (
typename CCM_TYPE::data_listener_type::_ptr_type listener,
::CCM_DDS::PortStatusListener_ptr port_status_listener,
::CCM_DDS::StateListenerControl_ptr control,
ACE_Reactor* reactor,
ConditionManager& condition_manager)
: PortStatusListener (port_status_listener, reactor) ,
listener_ (CCM_TYPE::data_listener_type::_duplicate (listener)),
control_ (::CCM_DDS::StateListenerControl::_duplicate (control)),
condition_manager_ (condition_manager)
{
DDS4CCM_TRACE ("DataReaderStateListenerBase_T::DataReaderStateListenerBase_T");
}
// Implementation skeleton destructor
template <typename CCM_TYPE, typename TYPED_DDS_READER, typename SEQ_TYPE, DDS4CCM_LISTENER_READ_TAKE LRT>
DataReaderStateListenerBase_T<CCM_TYPE, TYPED_DDS_READER, SEQ_TYPE, LRT>::~DataReaderStateListenerBase_T (void)
{
DDS4CCM_TRACE ("DataReaderStateListenerBase_T::~DataReaderStateListenerBase_T");
}
template <typename CCM_TYPE, typename TYPED_DDS_READER, typename SEQ_TYPE, DDS4CCM_LISTENER_READ_TAKE LRT>
void
DataReaderStateListenerBase_T<CCM_TYPE, TYPED_DDS_READER, SEQ_TYPE, LRT>::on_data_available(
::DDS::DataReader_ptr rdr)
{
DDS4CCM_TRACE ("DataReaderStateListenerBase_T::on_data_available");
if (!::CORBA::is_nil (rdr) &&
this->control_->mode () != ::CCM_DDS::NOT_ENABLED)
{
if (this->reactor_)
{
DataReaderStateHandler_type* rh = 0;
ACE_NEW (rh, DataReaderStateHandler_type (this, rdr));
ACE_Event_Handler_var safe_handler (rh);
if (this->reactor_->notify (rh) != 0)
{
DDS4CCM_ERROR (DDS4CCM_LOG_LEVEL_ERROR, (LM_ERROR, DDS4CCM_INFO
ACE_TEXT ("DataReaderStateListenerBase_T::on_data_available")
ACE_TEXT ("failed to use reactor.\n")));
}
}
else
{
this->on_data_available_i (rdr);
}
}
}
template <typename CCM_TYPE, typename TYPED_DDS_READER, typename SEQ_TYPE, DDS4CCM_LISTENER_READ_TAKE LRT>
void
DataReaderStateListenerBase_T<CCM_TYPE, TYPED_DDS_READER, SEQ_TYPE, LRT>::on_data_available_i (
::DDS::DataReader_ptr rdr)
{
DDS4CCM_TRACE ("DataReaderStateListenerBase_T::on_data_available_i");
::CCM_DDS::ListenerMode const mode = this->control_->mode ();
if (::CORBA::is_nil (rdr) ||
mode == ::CCM_DDS::NOT_ENABLED)
{
return;
}
typename TYPED_DDS_READER::_var_type reader;
reader = TYPED_DDS_READER::_narrow (rdr);
if (::CORBA::is_nil (reader.in ()))
{
DDS4CCM_ERROR (DDS4CCM_LOG_LEVEL_ERROR, (LM_ERROR, DDS4CCM_INFO
ACE_TEXT ("DataReaderStateListenerBase_T::on_data_available_i - ")
ACE_TEXT ("Failed to narrow DataReader to a type ")
ACE_TEXT ("specific DataReader.\n")));
return;
}
try
{
SEQ_TYPE data;
::DDS::SampleInfoSeq sample_info;
::CORBA::Long max_samples = 0;
mode == ::CCM_DDS::ONE_BY_ONE
? max_samples = ::DDS::LENGTH_UNLIMITED
: this->control_->max_delivered_data() == 0
? max_samples = ::DDS::LENGTH_UNLIMITED
: max_samples = this->control_->max_delivered_data ();
::DDS::QueryCondition_var qc =
this->condition_manager_.get_querycondition_listener ();
::DDS::ReturnCode_t const result =
this->get_data_i (reader, qc.in (), data, sample_info, max_samples);
if (result == ::DDS::RETCODE_NO_DATA)
{
return;
}
else if (result != ::DDS::RETCODE_OK)
{
DDS4CCM_ERROR (DDS4CCM_LOG_LEVEL_ERROR, (LM_ERROR, DDS4CCM_INFO
ACE_TEXT ("DataReaderStateListenerBase_T::on_data_available_i - ")
ACE_TEXT ("Unable to get data from data reader, ")
ACE_TEXT ("error %C.\n"), translate_retcode (result)));
}
if (mode == ::CCM_DDS::ONE_BY_ONE)
{
for (::CORBA::ULong i = 0; i < data.length (); ++i)
{
// Sample data may not be valid anymore when
// deleted so don't check the valid_data flag
// here.
::CCM_DDS::ReadInfo readinfo;
readinfo <<= sample_info[i];
if (sample_info[i].instance_state ==
::DDS::NOT_ALIVE_DISPOSED_INSTANCE_STATE)
{
this->listener_->on_deletion (data[i], readinfo);
}
else if (sample_info[i].valid_data)
{
if (sample_info[i].view_state == ::DDS::NEW_VIEW_STATE)
{
this->listener_->on_creation (data[i], readinfo);
}
else
{
this->listener_->on_one_update (data[i], readinfo);
}
}
}
}
else if (mode == ::CCM_DDS::MANY_BY_MANY)
{
typedef std::vector< ::CORBA::Long > Updates;
Updates updates;
for (::CORBA::ULong i = 0 ; i < sample_info.length(); i++)
{
if ((sample_info[i].valid_data &&
sample_info[i].view_state == ::DDS::NEW_VIEW_STATE) ||
sample_info[i].instance_state == ::DDS::NOT_ALIVE_DISPOSED_INSTANCE_STATE)
{
if (updates.size () > 0)
{
// Sample_new or sample_delete found -> first send out the
// updated samples in one go
SEQ_TYPE inst_seq (updates.size ());
::CCM_DDS::ReadInfoSeq infoseq (updates.size ());
infoseq.length (updates.size ());
inst_seq.length (updates.size ());
CORBA::ULong ix = 0;
for(Updates::iterator iter = updates.begin();
iter != updates.end();
++iter)
{
infoseq[ix] <<= sample_info[*iter];
inst_seq[ix] = data[*iter];
++ix;
}
this->listener_->on_many_updates (inst_seq, infoseq);
// Clean up
updates.clear ();
}
// Now invoke on_creation or on_deletion
::CCM_DDS::ReadInfo readinfo;
readinfo <<= sample_info[i];
if (sample_info[i].valid_data &&
sample_info[i].view_state == ::DDS::NEW_VIEW_STATE)
{
this->listener_->on_creation (data[i], readinfo);
}
else if (sample_info[i].instance_state ==
::DDS::NOT_ALIVE_DISPOSED_INSTANCE_STATE)
{
this->listener_->on_deletion (data[i], readinfo);
}
}
else if (sample_info[i].valid_data)
{
updates.push_back (i);
}
}
// Send the latest updates.
if (updates.size () > 0)
{
SEQ_TYPE inst_seq (updates.size ());
::CCM_DDS::ReadInfoSeq infoseq (updates.size ());
infoseq.length (updates.size ());
inst_seq.length (updates.size ());
CORBA::ULong ix = 0;
for(Updates::iterator iter = updates.begin();
iter != updates.end();
++iter)
{
infoseq[ix] <<= sample_info[*iter];
inst_seq[ix] = data[*iter];
++ix;
}
this->listener_->on_many_updates (inst_seq, infoseq);
}
}
// Return the loan
::DDS::ReturnCode_t const retval = reader->return_loan (data, sample_info);
if (retval != ::DDS::RETCODE_OK)
{
DDS4CCM_ERROR (DDS4CCM_LOG_LEVEL_ERROR, (LM_ERROR, DDS4CCM_INFO
ACE_TEXT ("DataReaderStateListenerBase_T::on_data_available_i - ")
ACE_TEXT ("Error returning loan to DDS - <%C>\n"),
translate_retcode (retval)));
// No exception here since this the DDS vendor doesn't expect this.
// It will likely causes a crash in their implementation
}
}
catch (const ::CORBA::BAD_INV_ORDER& ex)
{
DDS4CCM_PRINT_DEBUG_CORBA_EXCEPTION (
DDS4CCM_LOG_LEVEL_ACTION,
ex,
"DataReaderStateListenerBase_T::on_data_available_i");
}
catch (const ::CORBA::Exception& ex)
{
DDS4CCM_PRINT_CORBA_EXCEPTION (
DDS4CCM_LOG_LEVEL_ERROR,
ex,
"DataReaderStateListenerBase_T::on_data_available_i");
}
catch (...)
{
DDS4CCM_ERROR (DDS4CCM_LOG_LEVEL_ERROR, (LM_ERROR, DDS4CCM_INFO
ACE_TEXT ("DataReaderStateListenerBase_T::on_data_available_i - ")
ACE_TEXT ("Unexpected exception caught\n")));
}
}
template <typename CCM_TYPE, typename TYPED_DDS_READER, typename SEQ_TYPE, DDS4CCM_LISTENER_READ_TAKE LRT>
::DDS::StatusMask
DataReaderStateListenerBase_T<CCM_TYPE, TYPED_DDS_READER, SEQ_TYPE, LRT>::get_mask (
typename CCM_TYPE::data_listener_type::_ptr_type listener)
{
::DDS::StatusMask mask = 0;
if (! ::CORBA::is_nil (listener) ||
DDS4CCM_debug_level >= DDS4CCM_LOG_LEVEL_DDS_STATUS)
{
mask = ::DDS::DATA_AVAILABLE_STATUS |
::DDS::REQUESTED_DEADLINE_MISSED_STATUS |
::DDS::SAMPLE_LOST_STATUS;
}
if (DDS4CCM_debug_level >= DDS4CCM_LOG_LEVEL_DDS_STATUS)
{
ACE_CString msk;
translate_statusmask (msk, mask);
DDS4CCM_DEBUG (DDS4CCM_LOG_LEVEL_DDS_STATUS, (LM_DEBUG, DDS4CCM_INFO
"DataReaderStateListenerBase_T::get_mask - "
"Mask becomes %C\n",
msk.c_str ()));
}
return mask;
}
template <typename CCM_TYPE, typename TYPED_DDS_READER, typename SEQ_TYPE>
::DDS::ReturnCode_t
DataReaderStateListener_T<CCM_TYPE, TYPED_DDS_READER, SEQ_TYPE, CIAO::DDS4CCM::DDS4CCM_TAKE>::get_data_i (
typename TYPED_DDS_READER::_ptr_type reader,
::DDS::QueryCondition_ptr qc,
SEQ_TYPE &data,
::DDS::SampleInfoSeq &sample_info,
::CORBA::Long max_samples)
{
DDS4CCM_TRACE ("DataReaderStateListener_T::get_data_i");
::DDS::ReturnCode_t result = ::DDS::RETCODE_OK;
if (! ::CORBA::is_nil (qc))
{
::DDS::ReadCondition_var rd = ::DDS::ReadCondition::_narrow (qc);
result = reader->take_w_condition (data,
sample_info,
max_samples,
rd.in ());
}
else
{
result = reader->take (data,
sample_info,
max_samples,
::DDS::NOT_READ_SAMPLE_STATE,
::DDS::NEW_VIEW_STATE | ::DDS::NOT_NEW_VIEW_STATE,
::DDS::ANY_INSTANCE_STATE);
}
return result;
}
template <typename CCM_TYPE, typename TYPED_DDS_READER, typename SEQ_TYPE>
::DDS::ReturnCode_t
DataReaderStateListener_T<CCM_TYPE, TYPED_DDS_READER, SEQ_TYPE, CIAO::DDS4CCM::DDS4CCM_READ>::get_data_i (
typename TYPED_DDS_READER::_ptr_type reader,
::DDS::QueryCondition_ptr qc,
SEQ_TYPE &data,
::DDS::SampleInfoSeq &sample_info,
::CORBA::Long max_samples)
{
DDS4CCM_TRACE ("DataReaderStateListener_T::get_data_i");
::DDS::ReturnCode_t result = ::DDS::RETCODE_OK;
if (! ::CORBA::is_nil (qc))
{
::DDS::ReadCondition_var rd = ::DDS::ReadCondition::_narrow (qc);
result = reader->read_w_condition (data,
sample_info,
max_samples,
rd.in ());
}
else
{
result = reader->read (data,
sample_info,
max_samples,
::DDS::NOT_READ_SAMPLE_STATE,
::DDS::NEW_VIEW_STATE | ::DDS::NOT_NEW_VIEW_STATE,
::DDS::ANY_INSTANCE_STATE);
}
return result;
}
}
}
|
