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/* -*- c++ -*- */
/*
* Copyright 2006,2008,2010 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gr_test.h>
#include <gr_io_signature.h>
#include <stdexcept>
#include <iostream>
#include <string.h>
gr_test_sptr gr_make_test (const std::string &name,
int min_inputs, int max_inputs, unsigned int sizeof_input_item,
int min_outputs, int max_outputs, unsigned int sizeof_output_item,
unsigned int history,unsigned int output_multiple,double relative_rate,
bool fixed_rate,gr_consume_type_t cons_type, gr_produce_type_t prod_type)
{
return gnuradio::get_initial_sptr(new gr_test (name, min_inputs,max_inputs,sizeof_input_item,
min_outputs,max_outputs,sizeof_output_item,
history,output_multiple,relative_rate,fixed_rate,cons_type, prod_type));
}
gr_test::gr_test (const std::string &name,int min_inputs, int max_inputs, unsigned int sizeof_input_item,
int min_outputs, int max_outputs, unsigned int sizeof_output_item,
unsigned int history,unsigned int output_multiple,double relative_rate,
bool fixed_rate,gr_consume_type_t cons_type, gr_produce_type_t prod_type): gr_block (name,
gr_make_io_signature (min_inputs, max_inputs, sizeof_input_item),
gr_make_io_signature (min_outputs, max_outputs, sizeof_output_item)),
d_sizeof_input_item(sizeof_input_item),
d_sizeof_output_item(sizeof_output_item),
d_check_topology(true),
d_consume_type(cons_type),
d_min_consume(0),
d_max_consume(0),
d_produce_type(prod_type),
d_min_produce(0),
d_max_produce(0)
{
set_history(history);
set_output_multiple(output_multiple);
set_relative_rate(relative_rate);
set_fixed_rate(fixed_rate);
}
int
gr_test::general_work (int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
//touch all inputs and outputs to detect segfaults
unsigned ninputs = input_items.size ();
unsigned noutputs= output_items.size();
for (unsigned i = 0; i < ninputs; i++)
{
char * in=(char *)input_items[i];
if (ninput_items[i]< (int)(noutput_items+history()))
{
std::cerr << "ERROR: ninput_items[" << i << "] < noutput_items+history()" << std::endl;
std::cerr << "ninput_items[" << i << "] = " << ninput_items[i] << std::endl;
std::cerr << "noutput_items+history() = " << noutput_items+history() << std::endl;
std::cerr << "noutput_items = " << noutput_items << std::endl;
std::cerr << "history() = " << history() << std::endl;
throw std::runtime_error ("gr_test");
} else
{
for (int j=0;j<ninput_items[i];j++)
{
//Touch every available input_item
//We use a class variable to avoid the compiler to optimize this away
for(unsigned int k=0;k<d_sizeof_input_item;k++)
d_temp= in[j*d_sizeof_input_item+k];
}
switch (d_consume_type)
{
case CONSUME_NOUTPUT_ITEMS:
consume(i,noutput_items);
break;
case CONSUME_NOUTPUT_ITEMS_LIMIT_MAX:
consume(i,std::min(noutput_items,d_max_consume));
break;
case CONSUME_NOUTPUT_ITEMS_LIMIT_MIN:
consume(i,std::min(std::max(noutput_items,d_min_consume),ninput_items[i]));
break;
case CONSUME_ALL_AVAILABLE:
consume(i,ninput_items[i]);
break;
case CONSUME_ALL_AVAILABLE_LIMIT_MAX:
consume(i,std::min(ninput_items[i],d_max_consume));
break;
/* //This could result in segfault, uncomment if you want to test this
case CONSUME_ALL_AVAILABLE_LIMIT_MIN:
consume(i,std::max(ninput_items[i],d_max_consume));
break;*/
case CONSUME_ZERO:
consume(i,0);
break;
case CONSUME_ONE:
consume(i,1);
break;
case CONSUME_MINUS_ONE:
consume(i,-1);
break;
default:
consume(i,noutput_items);
}
}
}
for (unsigned i = 0; i < noutputs; i++)
{
char * out=(char *)output_items[i];
{
for (int j=0;j<noutput_items;j++)
{
//Touch every available output_item
for(unsigned int k=0;k<d_sizeof_output_item;k++)
out[j*d_sizeof_input_item+k]=0;
}
}
}
//Now copy input to output until max ninputs or max noutputs is reached
int common_nports=std::min(ninputs,noutputs);
if(d_sizeof_output_item==d_sizeof_input_item)
for (int i = 0; i < common_nports; i++)
{
memcpy(output_items[i],input_items[i],noutput_items*d_sizeof_input_item);
}
int noutput_items_produced=0;
switch (d_produce_type){
case PRODUCE_NOUTPUT_ITEMS:
noutput_items_produced=noutput_items;
break;
case PRODUCE_NOUTPUT_ITEMS_LIMIT_MAX:
noutput_items_produced=std::min(noutput_items,d_max_produce);
break;
/* //This could result in segfault, uncomment if you want to test this
case PRODUCE_NOUTPUT_ITEMS_LIMIT_MIN:
noutput_items_produced=std::max(noutput_items,d_min_produce);
break;*/
case PRODUCE_ZERO:
noutput_items_produced=0;
break;
case PRODUCE_ONE:
noutput_items_produced=1;
break;
case PRODUCE_MINUS_ONE:
noutput_items_produced=-1;
break;
default:
noutput_items_produced=noutput_items;
}
return noutput_items_produced;
}
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