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// $Id$
#include "dds4ccm/impl/dds/DataReader.h"
#include "dds4ccm/impl/dds/DataReaderListener_T.h"
#include "dds4ccm/impl/dds/Utils.h"
#include "dds4ccm/impl/dds/Subscriber.h"
#include "dds4ccm/impl/dds/QueryCondition.h"
#include "dds4ccm/impl/dds/ndds/SampleInfo.h"
#include "dds4ccm/impl/logger/Log_Macros.h"
template <typename DDS_TYPE, typename CCM_TYPE>
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::Reader_T (void)
: topic_ (0),
library_name_ (""),
profile_name_ (""),
impl_ (0)
{
DDS4CCM_TRACE ("CIAO::DDS4CCM::DDS_CCM::Reader_T::Reader_T");
#if defined DDS4CCM_USES_QUERY_CONDITION
this->qc_ = DDS::QueryCondition::_nil ();
#else
this->cft_ = ::DDS::ContentFilteredTopic::_nil ();
#endif
}
template <typename DDS_TYPE, typename CCM_TYPE>
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::~Reader_T (void)
{
DDS4CCM_TRACE ("CIAO::DDS4CCM::DDS_CCM::Reader_T::~Reader_T");
}
template <typename DDS_TYPE, typename CCM_TYPE>
typename DDS_TYPE::data_reader *
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::impl (void)
{
if (this->impl_)
{
return this->impl_;
}
else
{
throw ::CORBA::BAD_INV_ORDER ();
}
}
// For the requirement : 'samples ordered by instances' the following settings are necessary:
// ordered_access -> true and DDS_INSTANCE_PRESENTATION_QOS (default) .
template <typename DDS_TYPE, typename CCM_TYPE>
CORBA::ULong
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::get_nr_valid_samples (
const DDS_SampleInfoSeq& sample_info,
bool determine_last)
{
CORBA::ULong nr_of_samples = 0;
for (::DDS_Long i = 0 ; i < sample_info.length(); ++i)
{
if (determine_last)
{
if (sample_info[i].sample_rank == 0 && sample_info[i].valid_data)
{
++nr_of_samples;
}
}
else if (sample_info[i].valid_data)
{
++nr_of_samples;
}
}
return nr_of_samples;
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::read_without_instance (
typename DDS_TYPE::dds_seq_type & data,
DDS_SampleInfoSeq & sample_info)
{
DDS_ReturnCode_t retval = DDS_RETCODE_ERROR;
#if defined DDS4CCM_USES_QUERY_CONDITION
if (!CORBA::is_nil (this->qc_))
{
this->impl ()->read_w_condition (data,
sample_info,
DDS_LENGTH_UNLIMITED,
this->qc_->get_impl ());
}
else
throw ::CCM_DDS::InternalError (retval, 0);
#else
retval = this->impl ()->read (data,
sample_info,
DDS_LENGTH_UNLIMITED,
DDS_READ_SAMPLE_STATE | DDS_NOT_READ_SAMPLE_STATE,
DDS_NEW_VIEW_STATE | DDS_NOT_NEW_VIEW_STATE,
DDS_ALIVE_INSTANCE_STATE);
#endif
if (retval != DDS_RETCODE_OK && retval != DDS_RETCODE_NO_DATA)
{
this->impl ()->return_loan(data, sample_info);
DDS4CCM_ERROR (1, (LM_ERROR, ACE_TEXT ("CIAO::DDS4CCM::DDS_CCM::Reader_T::read_without_instance - ")
ACE_TEXT ("retval is %C\n"), translate_retcode(retval)));
throw ::CCM_DDS::InternalError (retval, 0);
}
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::read_last (
typename CCM_TYPE::seq_type::_out_type instances,
::CCM_DDS::ReadInfoSeq_out infos)
{
// This function has to return the last sample of all instances
DDS_SampleInfoSeq sample_info;
typename DDS_TYPE::dds_seq_type data;
this->read_without_instance (data, sample_info);
typename CCM_TYPE::seq_type * inst_seq = 0;
ACE_NEW_THROW_EX (inst_seq,
typename CCM_TYPE::seq_type,
CORBA::NO_MEMORY ());
::CCM_DDS::ReadInfoSeq * infoseq = 0;
ACE_NEW_THROW_EX (infoseq,
::CCM_DDS::ReadInfoSeq,
CORBA::NO_MEMORY ());
CORBA::ULong const nr_of_last_samples = this->get_nr_valid_samples (sample_info, true);
DDS4CCM_DEBUG (6, (LM_DEBUG, ACE_TEXT ("CIAO::DDS4CCM::DDS_CCM::Reader_T::read_last - ")
ACE_TEXT ("total number of samples <%u> - ")
ACE_TEXT ("last number of samples <%u>\n"),
data.length(),
nr_of_last_samples));
CORBA::ULong ix = 0;
infoseq->length (nr_of_last_samples);
inst_seq->length (nr_of_last_samples);
// We need only the last sample of each instance
for (::DDS_Long i = 0 ; i < sample_info.length(); ++i)
{
if((sample_info[i].sample_rank == 0) && (sample_info[i].valid_data))
{
(*infoseq)[ix] <<= sample_info[i];
(*inst_seq)[ix] = data[i];
++ix;
}
}
// Return the loan
this->impl ()->return_loan(data,sample_info);
infos = infoseq;
instances = inst_seq;
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::read_all (
typename CCM_TYPE::seq_type::_out_type instances,
::CCM_DDS::ReadInfoSeq_out infos)
{
// This function has to return all samples of all instances
DDS_SampleInfoSeq sample_info;
typename DDS_TYPE::dds_seq_type data;
this->read_without_instance (data, sample_info);
CORBA::ULong const nr_of_valid_samples = this->get_nr_valid_samples (sample_info);
DDS4CCM_DEBUG (6, (LM_DEBUG, ACE_TEXT ("CIAO::DDS4CCM::DDS_CCM::Reader_T::read_all - ")
ACE_TEXT ("total number of samples <%u> - ")
ACE_TEXT ("valid number of samples <%u>\n"),
data.length (),
nr_of_valid_samples));
typename CCM_TYPE::seq_type * inst_seq = 0;
ACE_NEW_THROW_EX (inst_seq,
typename CCM_TYPE::seq_type,
CORBA::NO_MEMORY ());
::CCM_DDS::ReadInfoSeq * infoseq = 0;
ACE_NEW_THROW_EX (infoseq,
::CCM_DDS::ReadInfoSeq,
CORBA::NO_MEMORY ());
infoseq->length (nr_of_valid_samples);
inst_seq->length (nr_of_valid_samples);
CORBA::ULong ix = 0;
for (::DDS_Long i = 0 ; i < sample_info.length(); ++i)
{
if(sample_info[i].valid_data)
{
(*infoseq)[ix] <<= sample_info[i];
(*inst_seq)[ix] = data[i];
++ix;
}
}
// Return the loan
this->impl ()->return_loan(data,sample_info);
infos = infoseq;
instances = inst_seq;
}
template <typename DDS_TYPE, typename CCM_TYPE>
DDS_InstanceHandle_t
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::check_handle (
const typename DDS_TYPE::value_type& an_instance,
const ::DDS::InstanceHandle_t & instance_handle)
{
DDS_InstanceHandle_t hnd = ::DDS_HANDLE_NIL;
hnd <<= instance_handle;
DDS_InstanceHandle_t const lookup_hnd =
this->impl ()->lookup_instance (an_instance);
if (!DDS_InstanceHandle_equals (&hnd, &::DDS_HANDLE_NIL) &&
!DDS_InstanceHandle_equals (&hnd, &lookup_hnd))
{
throw ::CCM_DDS::InternalError (0, 0);
}
if (DDS_InstanceHandle_equals (&lookup_hnd, &::DDS_HANDLE_NIL))
{
throw ::CCM_DDS::NonExistent ();
}
return lookup_hnd;
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::read_with_instance (
typename DDS_TYPE::dds_seq_type & data,
const ::DDS_InstanceHandle_t & lookup_hnd,
DDS_SampleInfoSeq & sample_info)
{
DDS4CCM_DEBUG (6, (LM_INFO, ACE_TEXT ("CIAO::DDS4CCM::DDS_CCM::Reader_T::read_with_instance - ")
ACE_TEXT ("Reading with instance.\n")));
DDS_ReturnCode_t const retval = this->impl ()->read_instance (
data,
sample_info,
DDS_LENGTH_UNLIMITED,
lookup_hnd,
DDS_READ_SAMPLE_STATE | DDS_NOT_READ_SAMPLE_STATE ,
DDS_NEW_VIEW_STATE | DDS_NOT_NEW_VIEW_STATE,
DDS_ALIVE_INSTANCE_STATE);
if (retval != DDS_RETCODE_OK && retval != DDS_RETCODE_NO_DATA)
{
this->impl ()->return_loan(data, sample_info);
DDS4CCM_ERROR (1, (LM_ERROR, ACE_TEXT ("CIAO::DDS4CCM::DDS_CCM::Reader_T::read_with_instance - ")
ACE_TEXT ("retval is %C\n"), translate_retcode(retval)));
throw ::CCM_DDS::InternalError (retval, 0);
}
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::read_one_last (
typename DDS_TYPE::value_type& an_instance,
::CCM_DDS::ReadInfo_out info,
const ::DDS::InstanceHandle_t & instance_handle)
{
DDS_InstanceHandle_t const lookup_hnd = this->check_handle (an_instance, instance_handle);
DDS_SampleInfoSeq sample_info;
typename DDS_TYPE::dds_seq_type data;
// For now, only read with instance...
this->read_with_instance (data, lookup_hnd, sample_info);
::DDS_Long sample = data.length();
DDS4CCM_DEBUG (6, (LM_INFO,
ACE_TEXT ("CIAO::DDS4CCM::DDS_CCM::Reader_T::read_one_last - ")
ACE_TEXT ("total number of samples <%u>\n"),
sample));
while (sample >= 0 && !sample_info[sample-1].valid_data)
{
--sample;
}
if (sample >= 0)
{
if(sample_info[sample-1].valid_data)
{
an_instance = data[sample-1];
info <<= sample_info[sample-1];
}
}
// Return the loan
this->impl ()->return_loan(data, sample_info);
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::read_one_all (
const typename DDS_TYPE::value_type& an_instance,
typename CCM_TYPE::seq_type::_out_type instances,
::CCM_DDS::ReadInfoSeq_out infos,
const ::DDS::InstanceHandle_t & instance_handle)
{
DDS_InstanceHandle_t const lookup_hnd =
this->check_handle (an_instance, instance_handle);
DDS_SampleInfoSeq sample_info;
typename DDS_TYPE::dds_seq_type data;
this->read_with_instance (data, lookup_hnd, sample_info);
// Count the number of valid samples
CORBA::ULong const nr_of_valid_samples = this->get_nr_valid_samples (sample_info);
DDS4CCM_DEBUG (6, (LM_DEBUG, ACE_TEXT ("CIAO::DDS4CCM::DDS_CCM::Reader_T::read_all - ")
ACE_TEXT ("total number of samples <%u> - ")
ACE_TEXT ("valid number of samples <%u>\n"),
data.length (),
nr_of_valid_samples));
typename CCM_TYPE::seq_type * inst_seq = 0;
ACE_NEW_THROW_EX (inst_seq,
typename CCM_TYPE::seq_type (nr_of_valid_samples),
CORBA::NO_MEMORY ());
::CCM_DDS::ReadInfoSeq * infoseq = 0;
ACE_NEW_THROW_EX (infoseq,
::CCM_DDS::ReadInfoSeq (nr_of_valid_samples),
CORBA::NO_MEMORY ());
infoseq->length (nr_of_valid_samples);
inst_seq->length (nr_of_valid_samples);
// Copy the valid samples
CORBA::ULong ix = 0;
for (::DDS_Long i = 0 ; i < sample_info.length(); ++i)
{
if(sample_info[i].valid_data)
{
(*infoseq)[ix] <<= sample_info[i];
(*inst_seq)[ix] = data[i];
++ix;
}
}
// Return the loan
this->impl ()->return_loan(data, sample_info);
infos = infoseq;
instances = inst_seq;
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::create_filter (
const ::CCM_DDS::QueryFilter & filter)
{
DDS4CCM_TRACE ("CIAO::DDS4CCM::DDS_CCM::Reader_T::create_filter");
::DDS::Subscriber_var sub = this->reader_->get_subscriber ();
if (CORBA::is_nil (sub))
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::create_filter - "
"Error: Unable to get Subscriber.\n"));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, 0);
}
::DDS::DomainParticipant_var dp = sub->get_participant ();
if (CORBA::is_nil (dp))
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::create_filter - "
"Error: Unable to get Participant.\n"));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, 1);
}
this->cft_ = dp->create_contentfilteredtopic (
"DDS4CCMContentFilteredTopic",
this->topic_.in (),
filter.query,
filter.query_parameters);
if (CORBA::is_nil (this->cft_))
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::create_filter - "
"Error: Unable to create ContentFilteredTopic.\n"));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, 1);
}
::DDS::DataReaderListener_var listener = this->reader_->get_listener ();
CCM_DDS::PortStatusListener_ptr psl = CCM_DDS::PortStatusListener::_nil ();
if (!CORBA::is_nil (listener))
{
psl = dynamic_cast <CCM_DDS::PortStatusListener_ptr> (listener.in ());
this->reader_->set_listener (::DDS::DataReaderListener::_nil (), 0);
}
::DDS::ReturnCode_t const retval = sub->delete_datareader (this->reader_);
if (retval != ::DDS::RETCODE_OK)
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::create_filter - "
"Error: Unable to delete DataReader.\n"));
}
this->reader_ = ::DDS::CCM_DataReader::_nil ();
::DDS::DataReader_var reader = ::DDS::DataReader::_nil ();
if (this->library_name_.length () > 0 &&
this->profile_name_.length () > 0)
{
reader = sub->create_datareader_with_profile (
this->cft_,
this->library_name_.c_str (),
this->profile_name_.c_str (),
listener,
::CIAO::DDS4CCM::PortStatusListener_T<DDS_TYPE, CCM_TYPE>::get_mask (
psl));
}
else
{
::DDS::DataReaderQos drqos;
reader = sub->create_datareader (
this->cft_,
drqos,
listener,
::CIAO::DDS4CCM::PortStatusListener_T<DDS_TYPE, CCM_TYPE>::get_mask (
psl));
}
if (CORBA::is_nil(reader))
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::create_filter - "
"Error: Unable to create a new DataReader.\n"));
}
this->reader_ = ::DDS::CCM_DataReader::_narrow (reader);
this->set_impl (reader);
}
template <typename DDS_TYPE, typename CCM_TYPE>
::CCM_DDS::QueryFilter *
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::filter (void)
{
#if defined DDS4CCM_USES_QUERY_CONDITION
if (CORBA::is_nil (this->qc_))
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::filter - "
"Error: No QueryCondition set yet. First set a filter.\n"));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, 0);
}
::CCM_DDS::QueryFilter_var filter = 0;
ACE_NEW_THROW_EX (filter,
::CCM_DDS::QueryFilter(),
CORBA::NO_MEMORY ());
filter->query = this->qc_->get_query_expression ();
this->qc_->get_query_parameters (filter->query_parameters);
return filter._retn ();
#else
if (CORBA::is_nil (this->cft_))
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::filter - "
"Error: No ContentFilter set yet. First set a filter.\n"));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, 0);
}
::CCM_DDS::QueryFilter_var filter = 0;
ACE_NEW_THROW_EX (filter,
::CCM_DDS::QueryFilter(),
CORBA::NO_MEMORY ());
filter->query = this->cft_->get_filter_expression ();
::DDS::ReturnCode_t const retval = this->cft_->get_expression_parameters (
filter->query_parameters);
if (retval != DDS::RETCODE_OK)
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::filter - "
"Error getting expression_parameters. "
"Retval is %C\n",
translate_retcode(retval)));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, retval);
}
return filter._retn ();
#endif
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::filter (
const ::CCM_DDS::QueryFilter & filter)
{
DDS4CCM_TRACE ("CIAO::DDS4CCM::DDS_CCM::Reader_T::filter");
#if defined DDS4CCM_USES_QUERY_CONDITION
if (CORBA::is_nil (this->qc_))
{
this->qc_ = this->impl ()->create_querycondition (
DDS_READ_SAMPLE_STATE | DDS_NOT_READ_SAMPLE_STATE,
DDS_NEW_VIEW_STATE | DDS_NOT_NEW_VIEW_STATE,
DDS_ALIVE_INSTANCE_STATE,
filter.query,
filter.query_parameters);
if (CORBA::is_nil (this->qc_))
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::filter - "
"Error creating query condition."));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, 1);
}
}
else
{
::DDS::ReturnCode_t retval = this->qc_->set_query_parameters (
filter.query_parameters);
if (retval != ::DDS::RETCODE_OK)
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::filter - "
"Error setting expression_parameters. "
"Retval is %C\n",
translate_retcode(retval)));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, retval);
}
}
#else
if (CORBA::is_nil (this->cft_))
{
this->create_filter (filter);
}
else
{
::DDS::ReturnCode_t retval = this->cft_->set_expression_parameters (
filter.query_parameters);
if (retval != ::DDS::RETCODE_OK)
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::filter - "
"Error setting expression_parameters. "
"Retval is %C\n",
translate_retcode(retval)));
throw CCM_DDS::InternalError (::DDS::RETCODE_ERROR, retval);
}
}
#endif
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::set_qos (
::DDS::Topic_ptr topic,
const char * library_name,
const char * profile_name)
{
this->library_name_ = library_name;
this->profile_name_ = profile_name;
this->topic_ = topic;
}
template <typename DDS_TYPE, typename CCM_TYPE>
void
CIAO::DDS4CCM::DDS_CCM::Reader_T<DDS_TYPE, CCM_TYPE>::set_impl (
::DDS::DataReader_ptr reader)
{
DDS4CCM_TRACE ("CIAO::DDS4CCM::DDS_CCM::Reader_T::set_impl");
if (::CORBA::is_nil (reader))
{
this->impl_ = 0;
}
else
{
this->reader_ = reader;
CCM_DDS_DataReader_i *rdr = dynamic_cast <CCM_DDS_DataReader_i *> (reader);
if (!rdr)
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::data_reader - "
"Unable to cast provided DataReader to servant\n"));
throw ::CORBA::INTERNAL ();
}
this->impl_ = DDS_TYPE::data_reader::narrow (rdr->get_impl ());
if (!this->impl ())
{
DDS4CCM_ERROR (1, (LM_ERROR, CLINFO "CIAO::DDS4CCM::DDS_CCM::Reader_T::data_reader - "
"Unable to narrow the provided reader entity to the specific "
"type necessary to publish messages\n"));
throw ::CORBA::INTERNAL ();
}
}
}
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