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/* -*- c++ -*- */
/*
* Copyright 2005,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_OP25_MESSAGE_H
#define INCLUDED_OP25_MESSAGE_H
#include <op25/api.h>
#include <gnuradio/types.h>
#include <string>
namespace gr {
namespace op25 {
/*!
* \brief Message class.
*
* \ingroup misc
* The ideas and method names for adjustable message length were
* lifted from the click modular router "Packet" class.
*/
class OP25_API message
{
public:
typedef std::shared_ptr<message> sptr;
private:
sptr d_next; // link field for msg queue
long d_type; // type of the message
double d_arg1; // optional arg1
double d_arg2; // optional arg2
std::vector<unsigned char> d_buf;
unsigned char* d_msg_start; // where the msg starts
unsigned char* d_msg_end; // one beyond end of msg
message(long type, double arg1, double arg2, size_t length);
friend class msg_queue;
unsigned char* buf_data() { return d_buf.data(); }
size_t buf_len() const { return d_buf.size(); }
public:
/*!
* \brief public constructor for message
*/
static sptr make(long type = 0, double arg1 = 0, double arg2 = 0, size_t length = 0);
static sptr make_from_string(const std::string s,
long type = 0,
double arg1 = 0,
double arg2 = 0);
~message();
long type() const { return d_type; }
double arg1() const { return d_arg1; }
double arg2() const { return d_arg2; }
void set_type(long type) { d_type = type; }
void set_arg1(double arg1) { d_arg1 = arg1; }
void set_arg2(double arg2) { d_arg2 = arg2; }
unsigned char* msg() const { return d_msg_start; }
size_t length() const { return d_msg_end - d_msg_start; }
std::string to_string() const;
};
OP25_API long message_ncurrently_allocated();
} /* namespace op25 */
} /* namespace gr */
#endif /* INCLUDED_OP25_MESSAGE_H */
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