stream_sig.hpp

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//
// Copyright 2014-2015 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/>.
//

#ifndef INCLUDED_LIBUHD_RFNOC_STREAMSIG_HPP
#define INCLUDED_LIBUHD_RFNOC_STREAMSIG_HPP

#include <iostream>
#include <uhd/config.hpp>

namespace uhd { namespace rfnoc {

class UHD_RFNOC_API stream_sig_t {
 public:
    /***********************************************************************
     * Structors
     ***********************************************************************/
    stream_sig_t();

    /***********************************************************************
     * The stream signature attributes
     ***********************************************************************/
    // to empty.
    std::string item_type;

    size_t vlen;

    size_t packet_size;

    bool is_bursty;

    /***********************************************************************
     * Helpers
     ***********************************************************************/
    std::string to_string();
    std::string to_pp_string();

    // Note: The vector length is *not* considered here.
    //
    // \returns Number of bytes per item or 0 if the item type is
    //          undefined.
    // \throws uhd::key_error if the item type is invalid.
    size_t get_bytes_per_item() const;

    static bool is_compatible(const stream_sig_t &output_sig, const stream_sig_t &input_sig);
};

UHD_INLINE std::ostream& operator<< (std::ostream& out, stream_sig_t stream_sig) {
    out << stream_sig.to_string().c_str();
    return out;
}

}} /* namespace uhd::rfnoc */

#endif /* INCLUDED_LIBUHD_RFNOC_STREAMSIG_HPP */
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