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/*
Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
Queen in Right of Canada (Communications Research Center Canada)
*/
/*
This file is part of CRC-DabMux.
CRC-DabMux 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 of the
License, or (at your option) any later version.
CRC-DabMux 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 CRC-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _BRIDGE
#define _BRIDGE
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _WIN32
# ifdef _DEBUG
extern int bridgeVerbosity;
# endif // _DEBUG
#else
# ifndef DEBUG
# ifndef NDEBUG
# define NDEBUG
# endif
# else
extern int bridgeVerbosity;
# endif // DEBUG
#endif // _WIN32
struct bridgeStats {
unsigned long frames; // Number of frames analyzed
unsigned long valids; // Nb of frames with a good magic number
unsigned long invalids; // Nb of frames with a good magic number
unsigned long bytes; // Nb of data bytes
unsigned long packets; // Nb of packets found
unsigned long errors;
unsigned long missings;
unsigned long dropped;
unsigned long crc; // Nb of crc errors
unsigned long overruns; // Nb of packet too big
};
struct bridgeHdr {
unsigned short size;
unsigned short seqNb;
unsigned short crc;
};
struct bridgeInfo {
// Tx
int transmitted; // Nb bytes written
int offset; // Offset of the next byte to write
// Rx
int received;
int pos;
int state;
unsigned short lastSeq;
unsigned short sync;
char initSeq;
// General
struct bridgeHdr header;
struct bridgeStats stats;
};
void dump(void* data, int size, FILE* stream);
/*
* Example of usae:
* if (data.length == 0)
* read(data)
* while (writePacket() != 0)
* read(read)
* ...
*/
int writePacket(void* dataIn, int sizeIn, void* dataOut, int sizeOut, struct bridgeInfo* info);
int getPacket(void* dataIn, int sizeIn, void* dataOut, int sizeOut, struct bridgeInfo* info, char async);
void bridgeInitInfo(struct bridgeInfo* info);
struct bridgeStats getStats(struct bridgeInfo* info);
void resetStats(struct bridgeInfo* info);
void printStats(struct bridgeInfo* info, FILE* out);
#ifdef __cplusplus
}
#endif
#endif // _BRIDGE
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