/* -*- c++ -*- */
/*
 * Copyright 2005 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 GNU Radio; 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/message.h>
#include <assert.h>
#include <string.h>

namespace gr {

static long s_ncurrently_allocated = 0;

message::sptr message::make(long type, double arg1, double arg2, size_t length)
{
    return message::sptr(new message(type, arg1, arg2, length));
}

message::sptr
message::make_from_string(const std::string s, long type, double arg1, double arg2)
{
    message::sptr m = message::make(type, arg1, arg2, s.size());
    memcpy(m->msg(), s.data(), s.size());
    return m;
}

message::message(long type, double arg1, double arg2, size_t length)
    : d_type(type), d_arg1(arg1), d_arg2(arg2)
{
    if (length == 0)
        d_buf_start = d_msg_start = d_msg_end = d_buf_end = 0;
    else {
        d_buf_start = new unsigned char[length];
        d_msg_start = d_buf_start;
        d_msg_end = d_buf_end = d_buf_start + length;
    }
    s_ncurrently_allocated++;
}

message::~message()
{
    assert(d_next == 0);
    delete[] d_buf_start;
    d_msg_start = d_msg_end = d_buf_end = 0;
    s_ncurrently_allocated--;
}

std::string message::to_string() const
{
    return std::string((char*)d_msg_start, length());
}

long message_ncurrently_allocated() { return s_ncurrently_allocated; }

} /* namespace gr */
