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//
// Copyright 2012 Josh Blum
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with io_sig program. If not, see <http://www.gnu.org/licenses/>.
#ifndef INCLUDED_GNURADIO_GR_BLOCK_H
#define INCLUDED_GNURADIO_GR_BLOCK_H
#include <gnuradio/runtime_api.h>
#include <gnuradio/block.hpp>
#include <gr_io_signature.h>
#include <gr_sptr_magic.h>
#include <gr_types.h>
#include <gr_tags.h>
#include <string>
struct GR_RUNTIME_API gr_block : gnuradio::Block
{
gr_block(void);
gr_block(
const std::string &name,
gr_io_signature_sptr input_signature,
gr_io_signature_sptr output_signature
);
template <typename T> void set_msg_handler(T msg_handler){/*LOL*/}
void set_output_signature(gr_io_signature_sptr);
void set_input_signature(gr_io_signature_sptr);
gr_io_signature_sptr input_signature(void) const;
gr_io_signature_sptr output_signature(void) const;
//! implements work -> calls general work
int work(
const InputItems &input_items,
const OutputItems &output_items
);
/*!
* \brief compute output items from input items
*
* \param noutput_items number of output items to write on each output stream
* \param ninput_items number of input items available on each input stream
* \param input_items vector of pointers to the input items, one entry per input stream
* \param output_items vector of pointers to the output items, one entry per output stream
*
* \returns number of items actually written to each output stream, or -1 on EOF.
* It is OK to return a value less than noutput_items. -1 <= return value <= noutput_items
*
* general_work must call consume or consume_each to indicate how many items
* were consumed on each input stream.
*/
virtual int general_work(
int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items
) = 0;
};
#endif /*INCLUDED_GNURADIO_GR_BLOCK_H*/
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