Bastian Bloessl
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
|
|
* Copyright (C) 2013 Christoph Leitner <c.leitner@student.uibk.ac.at>
|
|
*
|
|
* This program 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 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "packet_dropper_impl.h"
|
|
#include <gnuradio/io_signature.h>
|
|
|
|
using namespace gr::foo;
|
|
|
|
packet_dropper_impl::packet_dropper_impl(double drop_rate, unsigned long seed)
|
|
: block("packet_dropper",
|
|
gr::io_signature::make(0, 0, 0),
|
|
gr::io_signature::make(0, 0, 0)),
|
|
d_drop_rate(drop_rate),
|
|
d_generator(seed),
|
|
d_distribution(0.0, 1.0)
|
|
{
|
|
if(d_drop_rate >= 1){
|
|
throw std::out_of_range("drop rate has to be < 1");
|
|
}
|
|
message_port_register_in(pmt::mp("in"));
|
|
set_msg_handler(pmt::mp("in"), boost::bind(&packet_dropper_impl::msg_handler, this, boost::placeholders::_1));
|
|
message_port_register_out(pmt::mp("out"));
|
|
}
|
|
|
|
void
|
|
packet_dropper_impl::msg_handler(pmt::pmt_t msg)
|
|
{
|
|
if(d_distribution(d_generator) <= d_drop_rate){
|
|
return;
|
|
}
|
|
message_port_pub(pmt::mp("out"), msg);
|
|
}
|
|
|
|
packet_dropper::sptr
|
|
packet_dropper::make(double drop_rate, unsigned long seed)
|
|
{
|
|
return gnuradio::get_initial_sptr(new packet_dropper_impl(drop_rate, seed));
|
|
}
|
|
|