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/* -*- c++ -*- */
/* @file
* @author Roman Khassraf <rkhassraf@gmail.com>
* @section LICENSE
*
* Gr-gsm 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.
*
* Gr-gsm 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 gr-gsm; 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 <gnuradio/io_signature.h>
#include "message_source_impl.h"
#include <stdio.h>
#include <grgsm/gsmtap.h>
#include <grgsm/endian.h>
#include <algorithm>
#include <boost/scoped_ptr.hpp>
#include <iostream>
#include <string>
#include <sstream>
#define MSG_BYTE_LEN 39
namespace gr {
namespace gsm {
message_source::sptr
message_source::make(const std::vector<std::string> &msg_data)
{
return gnuradio::get_initial_sptr
(new message_source_impl(msg_data));
}
/*
* The private constructor
*/
message_source_impl::message_source_impl(const std::vector<std::string> &msg_data)
: gr::block("message_source",
gr::io_signature::make(0, 0, 0),
gr::io_signature::make(0, 0, 0)),
d_finished(false)
{
message_port_register_out(pmt::mp("msgs"));
set_msg_data(msg_data);
}
/*
* Our virtual destructor.
*/
message_source_impl::~message_source_impl()
{
if (d_finished == false){
d_finished = true;
}
}
void message_source_impl::set_msg_data(const std::vector<std::string> &msg_data)
{
for (int i=0; i<msg_data.size(); i++)
{
std::istringstream iss(msg_data[i]);
std::vector<uint8_t> bytes;
unsigned int c;
while (iss >> std::hex >> c)
{
if (c < 256)
{
bytes.push_back(c);
}
}
if (bytes.size() == MSG_BYTE_LEN)
{
d_msgs.push_back(bytes);
}
}
}
bool message_source_impl::start()
{
d_finished = false;
d_thread = boost::shared_ptr<gr::thread::thread>
(new gr::thread::thread(boost::bind(&message_source_impl::run, this)));
return block::start();
}
bool message_source_impl::stop()
{
d_finished = true;
d_thread->interrupt();
d_thread->join();
return block::stop();
}
bool message_source_impl::finished()
{
return d_finished;
}
void message_source_impl::run()
{
for (int i=0; i<d_msgs.size(); i++)
{
std::vector<uint8_t> current = d_msgs[i];
pmt::pmt_t blob_header_plus_burst = pmt::make_blob(¤t[0], current.size());
pmt::pmt_t msg = pmt::cons(pmt::PMT_NIL, blob_header_plus_burst);
message_port_pub(pmt::mp("msgs"), msg);
}
post(pmt::mp("system"), pmt::cons(pmt::mp("done"), pmt::from_long(1)));
}
} /* namespace gsm */
} /* namespace gr */
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