ruc_connection.h

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/*
 * 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/>.
 */
 
#ifndef INCLUDED_RUC_CONNECTION_H
#define INCLUDED_RUC_CONNECTION_H
 
#include "rime_connection.h"
#include "stubborn_sender.h"
#include <array>
 
namespace gr {
namespace ieee802_15_4 {
class IEEE802_15_4_API ruc_connection : public rime_connection
{
private:
    static const int header_length = 7;
    static const int seqno_bits = 2;
    int d_send_seqno;
    int d_recv_seqno;
    stubborn_sender d_stubborn_sender;
    gr::thread::mutex d_mutex;
 
public:
    static std::array<uint8_t, 256> make_msgbuf(uint16_t channel,
                                                bool ack,
                                                int seqno,
                                                const uint8_t src[2],
                                                const uint8_t dest[2]);
    ruc_connection(rime_stack* block,
                   uint16_t channel,
                   pmt::pmt_t inport,
                   pmt::pmt_t outport,
                   const uint8_t rime_add_mine[2]);
    void pack(pmt::pmt_t msg);
    void unpack(pmt::pmt_t msg);
    void inc_recv_seqno();
    int recv_seqno();
};
} // namespace ieee802_15_4
} // namespace gr
#endif