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/* -*- c++ -*- */
/*
* Copyright 2008 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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.
*
* GNU Radio 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <usrp2/copy_handler.h>
#include <iostream>
#include <string.h>
namespace usrp2 {
copy_handler::copy_handler(void *dest, size_t len)
: d_dest((uint8_t *)dest), d_space(len), d_bytes(0), d_times(0)
{
}
copy_handler::~copy_handler()
{
// NOP
}
data_handler::result
copy_handler::operator()(const void *base, size_t len)
{
if (len > d_space)
return KEEP|DONE; // can't do anything, retry later
memcpy(&d_dest[d_bytes], base, len);
d_space -= len;
d_bytes += len;
d_times++;
if (d_space < MIN_COPY_LEN)
return DONE; // don't call me anymore
return 0;
}
} // namespace usrp2
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