mirror of https://github.com/gnss-sdr/gnss-sdr
99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
/*!
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* \file null_sink_output_filter.cc
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* \brief Implementation of an adapter of a null sink output filter block to an
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* OutputFilterInterface
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* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2011 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "null_sink_output_filter.h"
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#include <glog/log_severity.h>
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#include <glog/logging.h>
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#include <gr_io_signature.h>
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#include "configuration_interface.h"
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using google::LogMessage;
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NullSinkOutputFilter::NullSinkOutputFilter(ConfigurationInterface* configuration,
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std::string role,
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unsigned int in_streams,
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unsigned int out_streams) :
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role_(role),
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in_streams_(in_streams),
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out_streams_(out_streams)
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{
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std::string default_item_type = "short";
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item_type_ = configuration->property(role + ".item_type", default_item_type);
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if(item_type_.compare("gr_complex") == 0)
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{
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item_size_ = sizeof(gr_complex);
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}
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else if(item_type_.compare("short") == 0)
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{
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item_size_ = sizeof(short);
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}
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else if(item_type_.compare("float") == 0)
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{
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item_size_ = sizeof(float);
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}
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else
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{
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LOG_AT_LEVEL(WARNING) << item_type_ << " unrecognized item type. Usign float";
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item_size_ = sizeof(float);
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}
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sink_ = gr_make_null_sink(item_size_);
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DLOG(INFO) << "null_sink(" << sink_->unique_id() << ")";
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}
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NullSinkOutputFilter::~NullSinkOutputFilter()
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{}
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void NullSinkOutputFilter::connect(gr_top_block_sptr top_block)
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{
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DLOG(INFO) << "nothing to connect internally";
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}
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void NullSinkOutputFilter::disconnect(gr_top_block_sptr top_block)
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{
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// Nothing to connect
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}
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gr_basic_block_sptr NullSinkOutputFilter::get_left_block()
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{
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return sink_;
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}
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gr_basic_block_sptr NullSinkOutputFilter::get_right_block()
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{
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LOG_AT_LEVEL(WARNING) << "Right block of a signal sink should not be retrieved";
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return gr_block_sptr();
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}
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