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/* -*- c++ -*- */
/*
* Copyright 2006,2007 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.
*/
#ifndef INCLUDED_MB_MESSAGE_H
#define INCLUDED_MB_MESSAGE_H
#include <mb_common.h>
#include <iosfwd>
#define MB_MESSAGE_LOCAL_ALLOCATOR 0 // define to 0 or 1
class mb_message;
typedef boost::shared_ptr<mb_message> mb_message_sptr;
/*!
* \brief construct a message and return boost::shared_ptr
*
* \param signal identifier of the message
* \param data the data to be operated on
* \param metadata information about the data
* \param priority urgency
*/
mb_message_sptr
mb_make_message(pmt_t signal,
pmt_t data = PMT_NIL,
pmt_t metadata = PMT_NIL,
mb_pri_t priority = MB_PRI_DEFAULT);
class mb_message {
mb_message_sptr d_next; // link field for msg queue
pmt_t d_signal;
pmt_t d_data;
pmt_t d_metadata;
mb_pri_t d_priority;
pmt_t d_port_id; // name of port msg was rcvd on (symbol)
friend class mb_msg_queue;
friend mb_message_sptr
mb_make_message(pmt_t signal, pmt_t data, pmt_t metadata, mb_pri_t priority);
// private constructor
mb_message(pmt_t signal, pmt_t data, pmt_t metadata, mb_pri_t priority);
public:
~mb_message();
pmt_t signal() const { return d_signal; }
pmt_t data() const { return d_data; }
pmt_t metadata() const { return d_metadata; }
mb_pri_t priority() const { return d_priority; }
pmt_t port_id() const { return d_port_id; }
void set_port_id(pmt_t port_id){ d_port_id = port_id; }
#if (MB_MESSAGE_LOCAL_ALLOCATOR)
void *operator new(size_t);
void operator delete(void *, size_t);
#endif
};
std::ostream& operator<<(std::ostream& os, const mb_message &msg);
inline
std::ostream& operator<<(std::ostream& os, const mb_message_sptr msg)
{
os << *(msg.get());
return os;
}
#endif /* INCLUDED_MB_MESSAGE_H */
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