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op25-legacy/repeater/src/lib/repeater_chan_usrp_rx.h

108 lines
3.2 KiB
C++

/* -*- c++ -*- */
/*
* Copyright 2004 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 2, 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef INCLUDED_REPEATER_CHAN_USRP_RX_H
#define INCLUDED_REPEATER_CHAN_USRP_RX_H
#include <gr_sync_block.h>
#include <gr_msg_queue.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <deque>
#include "chan_usrp.h"
class repeater_chan_usrp_rx;
typedef std::vector<bool> bit_vector;
/*
* We use boost::shared_ptr's instead of raw pointers for all access
* to gr_blocks (and many other data structures). The shared_ptr gets
* us transparent reference counting, which greatly simplifies storage
* management issues. This is especially helpful in our hybrid
* C++ / Python system.
*
* See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
*
* As a convention, the _sptr suffix indicates a boost::shared_ptr
*/
typedef boost::shared_ptr<repeater_chan_usrp_rx> repeater_chan_usrp_rx_sptr;
typedef std::deque<uint8_t> dibit_queue;
/*!
* \brief Return a shared_ptr to a new instance of repeater_chan_usrp_rx.
*
* To avoid accidental use of raw pointers, repeater_chan_usrp_rx's
* constructor is private. repeater_make_chan_usrp_rx is the public
* interface for creating new instances.
*/
repeater_chan_usrp_rx_sptr repeater_make_chan_usrp_rx (const char* udp_host, int port, int debug, int input_size);
class repeater_chan_usrp_rx : public gr_block
{
private:
// The friend declaration allows repeater_make_chan_usrp_rx to
// access the private constructor.
void init_sock(const char* udp_host, int udp_port);
friend repeater_chan_usrp_rx_sptr repeater_make_chan_usrp_rx (const char* udp_host, int port, int debug, int input_size);
repeater_chan_usrp_rx (const char* udp_host, int port, int debug, int input_size);
// internal functions
// internal data
int write_sock;
struct sockaddr_in write_sock_addr;
const char* d_udp_host;
const int d_port;
const int d_debug;
unsigned int d_sampbuf_ct;
unsigned int d_sendseq;
// char write_buf[ sizeof(struct _chan_usrp_bufhdr) + USRP_VOICE_FRAME_SIZE*sizeof(int16_t) ];
char *write_buf;
int d_input_size;
int d_buf_data_size;
unsigned int d_max_sampbuf_ct;
public:
~repeater_chan_usrp_rx (); // public destructor
void unkey(void);
// Where all the action really happens
int general_work (int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
#endif /* INCLUDED_REPEATER_CHAN_USRP_RX_H */