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didadit.h
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didadit.h
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/***************************************************************
BayCom(R) Packet-Radio fuer IBM PC
BayCom-Terminal
BayCom-Node
BayCom-Mailbox
Routinen fuer Mailboxsystem
--------------------------------------
DIDADIT-Protocol for BCM (Definitions)
--------------------------------------
Copyright (C) Johann Hanne, DH3MB, [email protected]
Falkenweg 6
D-85122 Hitzhofen
Alle Rechte vorbehalten / All Rights Reserved
***************************************************************/
/*---------------------------------------------------------------------------*/
#define DIDADIT_VERSION "0.9.1"
#define DEFAULT_BLOCKSIZE 4096
#define MAX_BLOCKSIZE 8192
/*---------------------------------------------------------------------------*/
// KISS-Konstanten
#define FEND 0xC0 // FrameEND
#define FESC 0xDB // FrameESCape
#define TFEND 0xDC // Transponiertes FrameEND
#define TFESC 0xDD // Transponiertes FrameESCape
/*---------------------------------------------------------------------------*/
#define R_BLOCK_INFO 1
#define R_BLOCK_START 2
#define R_BLOCK_ERR 3
#define R_BLOCK_DATA 4
// These are the codes accordings to spec 0.9.1
//#define R_BLOCK_REQ 5
//#define R_BLOCK_FIN 6
// These are the codes required by the current LinKT :-(((
#define R_BLOCK_REQ 6
#define R_BLOCK_FIN 5
#define R_BLOCK_FINACK 7
#define R_BLOCK_ECHOREQ 9
#define R_BLOCK_ECHOREP 10
#define R_BLOCK_ABORT 11
#define R_BLOCK_CHAT 12
/*---------------------------------------------------------------------------*/
#define R_RX_STATE_TYPE 1
#define R_RX_STATE_MD5HASH 2
#define R_RX_STATE_DATA 3
#define R_RX_STATE_INVALID 100
/*---------------------------------------------------------------------------*/
struct block_info
{
unsigned short int type; // Block type
unsigned short int maxlen; // Number of allocated bytes for the block
char md5hash[16]; // The MD5 hash (if included in the R block)
char *data; // Pointer to block data
unsigned short int len; // Length of received block
};
/*---------------------------------------------------------------------------*/
struct REQ_info
{
unsigned long int offset;
unsigned long int len;
};
/*---------------------------------------------------------------------------*/
class fileio_dida : public fileio
{
private:
void tx_stuffed(char);
char rx_stuffed(void);
void tx_block(unsigned short int, char, char *, unsigned long int);
void tx_block_buggy(unsigned short int, char, char *, unsigned short int); // TODO!!
void rx_block(void);
void alloc_blockmem(unsigned short int);
void free_blockmem(void);
char *parse_textblock(char *, char **, char **);
void parse_INFO(char *, unsigned short int *rxed_blocksize);
void parse_START(unsigned long int *, char *, unsigned short int *);
void tx_INFO(void);
void tx_START(unsigned long int, char *, unsigned short int);
void tx_ERR(char *);
void tx_DATA(unsigned long int, unsigned short int, char *);
void tx_FIN(char *);
void tx_REQ(struct REQ_info *, unsigned long int);
void tx_FINACK(void);
void tx_TYPEREJ(unsigned short int);
void tx_ECHOREQ(void);
void tx_ECHOREP(void);
void tx_ABORT(void);
void send_file_data(unsigned long int, unsigned long int,
unsigned long int);
void update_r_file(char *, char *, unsigned long int, struct REQ_info *);
char partner_ver[10];
unsigned short int blocksize;
struct block_info *bl;
int stuffresult;
int waitforheader;
char sendname[FSPATHLEN + FNAMELEN + 1];
protected:
void _rx(void);
void _tx(void);
public:
fileio_dida(void);
~fileio_dida(void);
void set_path(const char *path);
void set_waitforheader(int bo);
void set_sendname(const char *name);
void get_filename(char *name);
unsigned long get_size();
};
/*---------------------------------------------------------------------------*/