//
// Copyright 2014 Ettus Research LLC
//
// 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 <uhd/rfnoc/stream_sig.hpp>
#include <uhd/convert.hpp>
#include <boost/format.hpp>

using namespace uhd::rfnoc;

stream_sig_t::stream_sig_t() :
    item_type(""),
    vlen(0),
    packet_size(0),
    is_bursty(false)
{
    // nop
}

std::string stream_sig_t::to_string()
{
    return str(
        boost::format(
            "%s,vlen=%d,packet_size=%d"
        ) % item_type % vlen % packet_size
    );
}

std::string stream_sig_t::to_pp_string()
{
    return str(
        boost::format(
            "Data type: %s  | Vector Length: %d | Packet size: %d"
        ) % item_type % vlen % packet_size
    );
}

size_t stream_sig_t::get_bytes_per_item() const
{
    if (item_type == "") {
        return 0;
    }

    return uhd::convert::get_bytes_per_item(item_type);
}

bool stream_sig_t::is_compatible(const stream_sig_t &output_sig, const stream_sig_t &input_sig)
{
    /// Item types:
    if (not (input_sig.item_type.empty() or output_sig.item_type.empty())
        and input_sig.item_type != output_sig.item_type) {
        return false;
    }

    /// Vector lengths
    if (output_sig.vlen and input_sig.vlen) {
        if (input_sig.vlen != output_sig.vlen) {
            return false;
        }
    }

    /// Packet sizes
    if (output_sig.packet_size and input_sig.packet_size) {
        if (input_sig.packet_size != output_sig.packet_size) {
            return false;
        }
    }

    // You may pass
    return true;
}
// vim: sw=4 et: