int position_to_block(uint32_t blk_number, uint8_t *sam_stat)
{
if (!tape_loaded(sam_stat))
return -1;
MHVTL_DBG(2, "Position to block %d", blk_number);
if (mam.MediumType == MEDIA_TYPE_WORM)
OK_to_write = 0;
if (blk_number > eod_blk_number) {
sam_blank_check(E_END_OF_DATA, sam_stat);
MHVTL_DBG(1, "End of data detected while positioning");
return position_to_eod(sam_stat);
}
/* Treat a position to block zero specially, as it has different
semantics than other blocks when the tape is WORM.
*/
if (blk_number == 0)
return rewind_tape(sam_stat);
else
return read_header(blk_number, sam_stat);
}
uint8_t ssc_rewind(struct scsi_cmd *cmd)
{
struct priv_lu_ssc *lu_priv;
uint8_t *sam_stat;
int retval;
lu_priv = cmd->lu->lu_private;
sam_stat = &cmd->dbuf_p->sam_stat;
MHVTL_DBG(1, "Rewinding (%ld) **", (long)cmd->dbuf_p->serialNo);
current_state = MHVTL_STATE_REWIND;
switch (lu_priv->tapeLoaded) {
case TAPE_UNLOADED:
mkSenseBuf(NOT_READY, E_MEDIUM_NOT_PRESENT, sam_stat);
return SAM_STAT_CHECK_CONDITION;
break;
case TAPE_LOADED:
retval = rewind_tape(sam_stat);
if (retval < 0) {
mkSenseBuf(NOT_READY, E_MEDIUM_FMT_CORRUPT, sam_stat);
return SAM_STAT_CHECK_CONDITION;
}
break;
default:
mkSenseBuf(NOT_READY, E_MEDIUM_FMT_CORRUPT, sam_stat);
return SAM_STAT_CHECK_CONDITION;
break;
}
return SAM_STAT_GOOD;
}
int position_to_block(uint32_t blk_no, uint8_t *sam_stat)
{
MHVTL_DBG(1, "position_to_block");
if (!tape_loaded(sam_stat))
return -1;
if (MediumType == MEDIA_TYPE_WORM)
OK_to_write = 0;
if (blk_no < raw_pos.hdr.blk_number &&
raw_pos.hdr.blk_number - blk_no > blk_no) {
if (rewind_tape(sam_stat))
return -1;
}
while (raw_pos.hdr.blk_number != blk_no) {
if (raw_pos.hdr.blk_number > blk_no) {
if (skip_to_prev_header(sam_stat) == -1)
return -1;
} else {
if (skip_to_next_header(sam_stat) == -1)
return -1;
}
}
return 0;
}
uint8_t ssc_load_unload(struct scsi_cmd *cmd)
{
struct priv_lu_ssc *lu_priv;
uint8_t *sam_stat;
int load;
lu_priv = cmd->lu->lu_private;
sam_stat = &cmd->dbuf_p->sam_stat;
load = cmd->scb[4] & 0x01;
current_state = (load) ? MHVTL_STATE_LOADING : MHVTL_STATE_UNLOADING;
if (cmd->scb[4] & 0x04) { /* EOT bit */
MHVTL_ERR("EOT bit set on load. Not supported");
mkSenseBuf(ILLEGAL_REQUEST, E_INVALID_FIELD_IN_CDB, sam_stat);
return SAM_STAT_CHECK_CONDITION;
}
MHVTL_DBG(1, "%s tape (%ld) **", (load) ? "Loading" : "Unloading",
(long)cmd->dbuf_p->serialNo);
switch (lu_priv->tapeLoaded) {
case TAPE_UNLOADED:
if (load)
rewind_tape(sam_stat);
else {
mkSenseBuf(NOT_READY, E_MEDIUM_NOT_PRESENT, sam_stat);
return SAM_STAT_CHECK_CONDITION;
}
break;
case TAPE_LOADED:
if (!load)
unloadTape(sam_stat);
break;
default:
mkSenseBuf(NOT_READY, E_MEDIUM_FMT_CORRUPT, sam_stat);
return SAM_STAT_CHECK_CONDITION;
break;
}
return SAM_STAT_GOOD;
}
int
main(int argc, char *argv[])
{
int lastnread, nread, nw, inp, outp;
enum {READ, VERIFY, COPY, COPYVERIFY} op = READ;
sig_t oldsig;
int ch, needeof;
char *buff;
const char *inf;
msg = stdout;
guesslen = 1;
outp = -1;
while ((ch = getopt(argc, argv, "cs:vx")) != -1)
switch((char)ch) {
case 'c':
op = COPYVERIFY;
break;
case 's':
maxblk = atoi(optarg);
if (maxblk <= 0) {
warnx("illegal block size");
usage();
}
guesslen = 0;
break;
case 'v':
op = VERIFY;
break;
case 'x':
msg = stderr;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
switch(argc) {
case 0:
if (op != READ)
usage();
inf = _PATH_DEFTAPE;
break;
case 1:
if (op != READ)
usage();
inf = argv[0];
break;
case 2:
if (op == READ)
op = COPY;
inf = argv[0];
if ((outp = open(argv[1], op == VERIFY ? O_RDONLY :
op == COPY ? O_WRONLY : O_RDWR, DEFFILEMODE)) < 0)
err(3, "%s", argv[1]);
break;
default:
usage();
}
if ((inp = open(inf, O_RDONLY, 0)) < 0)
err(1, "%s", inf);
buff = getspace(maxblk);
if (op == VERIFY) {
verify(inp, outp, buff);
exit(0);
}
if ((oldsig = signal(SIGINT, SIG_IGN)) != SIG_IGN)
(void) signal(SIGINT, intr);
needeof = 0;
for (lastnread = NOCOUNT;;) {
if ((nread = read(inp, buff, maxblk)) == -1) {
while (errno == EINVAL && (maxblk -= 1024)) {
nread = read(inp, buff, maxblk);
if (nread >= 0)
goto r1;
}
err(1, "read error, file %d, record %ju", filen, (intmax_t)record);
} else if (nread != lastnread) {
if (lastnread != 0 && lastnread != NOCOUNT) {
if (lastrec == 0 && nread == 0)
fprintf(msg, "%ju records\n", (intmax_t)record);
else if (record - lastrec > 1)
fprintf(msg, "records %ju to %ju\n",
(intmax_t)lastrec, (intmax_t)record);
else
fprintf(msg, "record %ju\n", (intmax_t)lastrec);
}
if (nread != 0)
fprintf(msg, "file %d: block size %d: ",
filen, nread);
(void) fflush(stdout);
lastrec = record;
}
r1: guesslen = 0;
if (nread > 0) {
if (op == COPY || op == COPYVERIFY) {
if (needeof) {
writeop(outp, MTWEOF);
needeof = 0;
}
nw = write(outp, buff, nread);
if (nw != nread) {
if (nw == -1) {
warn("write error, file %d, record %ju", filen,
(intmax_t)record);
} else {
warnx("write error, file %d, record %ju", filen,
(intmax_t)record);
warnx("write (%d) != read (%d)", nw, nread);
}
errx(5, "copy aborted");
}
}
size += nread;
record++;
} else {
if (lastnread <= 0 && lastnread != NOCOUNT) {
fprintf(msg, "eot\n");
break;
}
fprintf(msg,
"file %d: eof after %ju records: %ju bytes\n",
filen, (intmax_t)record, (intmax_t)size);
needeof = 1;
filen++;
tsize += size;
size = record = lastrec = 0;
lastnread = 0;
}
lastnread = nread;
}
fprintf(msg, "total length: %ju bytes\n", (intmax_t)tsize);
(void)signal(SIGINT, oldsig);
if (op == COPY || op == COPYVERIFY) {
writeop(outp, MTWEOF);
writeop(outp, MTWEOF);
if (op == COPYVERIFY) {
rewind_tape(outp);
rewind_tape(inp);
verify(inp, outp, buff);
}
}
exit(0);
}
void taps_menu() {
unsigned char *fbuffer,fin;
int ancho=screen->w;
fbuffer=screen->pixels;
fin=1;
do {
clean_screen();
print_string(fbuffer,"TAP/TZX files",-1,20,15,0,ancho);
print_string(fbuffer,"1:",14,60,12,0,ancho);
print_string(fbuffer,"select a TAP/TZX file",62,60,15,0,ancho);
print_string(fbuffer,"2:",14,100,12,0,ancho);
print_string(fbuffer,"rewind TAP/TZX file",62,100,15,0,ancho);
print_string(fbuffer,"3:",14,140,12,0,ancho);
print_string(fbuffer,"instant/normal load",62,140,15,0,ancho);
print_string(fbuffer,"4:",14,180,12,0,ancho);
print_string(fbuffer,"write protection",62,180,15,0,ancho);
print_string(fbuffer,"5:",14,220,12,0,ancho);
print_string(fbuffer,"create TAP file",62,220,15,0,ancho);
print_string(fbuffer,"ESC:",14,260,12,0,ancho);
print_string(fbuffer,"return emulator",78,260,15,0,ancho);
print_string(fbuffer,"Current TAP/TZX file is:",-1,310,12,0,ancho);
print_string(fbuffer,ordenador.current_tap,-1,330,12,0,ancho);
//print_copy(fbuffer,ancho);
if(ordenador.tape_fast_load)
print_string(fbuffer,"Fast load enabled ",10,420,14,0,ancho);
else
print_string(fbuffer,"Fast load disabled ",10,420,14,0,ancho);
if(ordenador.tape_write)
print_string(fbuffer,"Write enabled",390,420,14,0,ancho);
else
print_string(fbuffer,"Write disabled",390,420,14,0,ancho);
switch(wait_key()) {
case SDLK_ESCAPE: // to exit the help
fin=0;
break;
case SDLK_1: //select tape
ordenador.tape_stop=1;
ordenador.tape_stop_fast = 1;
ordenador.tape_start_countdwn=0;
select_tapfile();
break;
case SDLK_2: //rewind tape
fin=0;
ordenador.tape_stop=1;
ordenador.tape_stop_fast = 1;
ordenador.tape_start_countdwn=0;
if(ordenador.tap_file!=NULL) {
ordenador.tape_current_mode=TAP_TRASH;
rewind_tape(ordenador.tap_file,1);
}
sprintf(ordenador.osd_text,"Tape rewound");
ordenador.osd_time=50;
break;
case SDLK_3: //Instant load settings
ordenador.tape_stop=1;
ordenador.tape_stop_fast = 1;
ordenador.tape_start_countdwn=0;
ordenador.tape_fast_load=1-ordenador.tape_fast_load;
if(ordenador.tap_file!=NULL) {
ordenador.tape_current_mode=TAP_TRASH;
rewind_tape(ordenador.tap_file,1);
}
break;
case SDLK_4:
ordenador.tape_write=1-ordenador.tape_write;
break;
case SDLK_5:
create_tapfile();
break;
default:
break;
}
} while(fin);
clean_screen();
}
int
proc_rule(struct htx_data *phtx_info, struct ruleinfo *prule_info,
char *wbuf, char *rbuf, struct blk_num_typ *pblk_num)
{
int dlen, loop, rc;
char msg[220], path[100];
unsigned short seed[3];
rc = 0;
init_seed(seed); /* initialize seed for random number generator */
dlen = prule_info->num_blks * BLK_SIZE; /* initialize length of data */
/*-------------------------------*/
/* initialize the write buffer */
/*-------------------------------*/
if ( (prule_info->pattern_id[0] != '#') &&
(prule_info->pattern_id[0] != 0) ) {
path[0] ='\0';
if ( (int) htx_strlen((char *) htx_strcpy(path, getenv("HTXPATTERNS"))) == 0 )
htx_strcpy(path, "../pattern/"); /* default ONLY */
htx_strcat (path, prule_info->pattern_id);
rc = hxfpat(path, wbuf, dlen);
if ( rc == 1 ) {
sprintf(msg, "cannot open pattern file - %s\n", path);
hxfmsg(phtx_info, 0, SYSERR, msg);
return(1);
}
if ( rc == 2 ) {
sprintf(msg, "cannot read pattern file - %s\n", path);
hxfmsg(phtx_info, 0, SYSERR, msg);
return(1);
}
} else if ( prule_info->pattern_id[0] == '#' )
bldbuf((unsigned short*)wbuf, dlen, prule_info->pattern_id, pblk_num);
pblk_num->in_rule = 0; /* initialize block number within current rule */
rc = 0;
tape_error_code = 0;
for ( loop = 1; loop <= prule_info->num_oper; loop++ ) {
if ( strcmp(prule_info->oper, "R") == 0 ) {
rc = read_tape(phtx_info, prule_info, loop, pblk_num, rbuf);
} else if ( strcmp(prule_info->oper, "W") == 0 ) {
rc = write_tape(phtx_info, prule_info, loop, pblk_num, wbuf);
} else if ( strcmp(prule_info->oper, "RC") == 0 ) {
rc = read_tape(phtx_info, prule_info, loop, pblk_num, rbuf);
if ( rc >= 0 )
rc = cmpbuf(phtx_info, prule_info, loop, pblk_num, wbuf, rbuf);
} else if ( strcmp(prule_info->oper, "RW") == 0 ) {
rc = rewind_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "WEOF") == 0 ) {
rc = weof_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "SF") == 0 ) {
rc = search_file(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "SR") == 0 ) {
rc = search_rec(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "D") == 0 ) {
rc = diag_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "E") == 0 ) {
rc = erase_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "S") == 0 ) {
rc = do_sleep(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "CO") == 0 ) {
rc = close_open(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "C") == 0 ) {
rc = tclose(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "O") == 0 ) {
rc = topen(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "WEOT") == 0 ) {
rc = write_eot(phtx_info, prule_info,loop, pblk_num, wbuf);
} else if ( strcmp(prule_info->oper, "RCEOT") == 0 ) {
rc = read_eot(phtx_info, prule_info, loop,pblk_num, wbuf, rbuf);
} else if ( strcmp(prule_info->oper, "REOT") == 0 ) {
rc = read_teot(phtx_info, prule_info, loop, pblk_num, wbuf, rbuf);
} else if ( strcmp(prule_info->oper, "RS") == 0 ) {
rc = prt_req_sense(phtx_info, prule_info, loop, pblk_num);
}
#ifndef __HTX_LINUX__
else if ( strcmp(prule_info->oper, "ML") == 0 ) {
rc = medium_load(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "MUL") == 0 ) {
rc = medium_unload(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "RES") == 0 ) {
rc = read_status(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "IE") == 0 ) {
rc = init_element(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "RP") == 0 ) {
rc = read_posit(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "LB") == 0 ) {
rc = loc_block(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "ASF") == 0 ) {
rc = asearch_file(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "ASR") == 0 ) {
rc = asearch_rec(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "ADUL") == 0 ) {
rc = write_unload(phtx_info, prule_info, loop, pblk_num, wbuf);
} else if ( strcmp(prule_info->oper, "TWIE") == 0 ) {
rc = twin_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "TWPE") == 0 ) {
rc = twps_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "TWRE") == 0 ) {
rc = twrd_stat(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "TWMM") == 0 ) {
rc = twmv_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "TWUL") == 0 ) {
rc = unload_write(phtx_info, prule_info, loop, pblk_num, wbuf);
} else if ( strcmp(prule_info->oper, "WUL") == 0 ) {
rc = tape_unload(phtx_info, prule_info, loop, pblk_num, wbuf);
} else if ( strcmp(prule_info->oper, "CDRE") == 0 ) {
rc = cdrd_stat(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "CDMM") == 0 ) {
rc = cdmv_tape(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "HUNL") == 0 ) {
rc = himove(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "HINI") == 0 ) {
rc = hiinit(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "HREL") == 0 ) {
rc = hielem(phtx_info, prule_info, loop, pblk_num);
} else if ( strcmp(prule_info->oper, "HWUN") == 0 ) {
rc = hidal_unload(phtx_info, prule_info, loop, pblk_num, wbuf);
} else if ( strcmp(prule_info->oper, "DBUG") == 0 ) {
rc = set_dbug(phtx_info, prule_info, pblk_num);
}
#endif
else if ( strcmp(prule_info->oper, "XCMD") == 0 ) {
rc = do_cmd(phtx_info, prule_info, pblk_num);
} else {
;
}
hxfupdate(UPDATE, phtx_info);
if ( phtx_info->run_type[0] == 'O' ) {
info_msg(phtx_info, prule_info, loop, pblk_num, msg);
hxfmsg(phtx_info, 0, INFO, msg);
}
if ( rc != 0 )
break;
}
return(rc);
}
int main(int argc, char ** argv) {
static char * buffer[32];
static char buffer_size[16];
const char * device = DEFAULT_DEVICE;
ssize_t size = DEFAULT_SIZE;
bool no_rewind = false;
bool rewind = false;
ssize_t max_buffer_size = MAX_BUFFER_SIZE;
ssize_t min_buffer_size = MIN_BUFFER_SIZE;
ssize_t tmp_size = 0;
enum {
OPT_DEVICE = 'd',
OPT_HELP = 'h',
OPT_MAX_BUFFER = 'M',
OPT_MIN_BUFFER = 'm',
OPT_NO_REWIND = 'r',
OPT_REWIND = 'R',
OPT_SIZE = 's',
OPT_VERSION = 'V',
};
static struct option op[] = {
{ "device", 1, 0, OPT_DEVICE },
{ "help", 0, 0, OPT_HELP },
{ "max-buffer-size", 1, 0, OPT_MAX_BUFFER },
{ "min-buffer-size", 1, 0, OPT_MIN_BUFFER },
{ "no-rewind", 0, 0, OPT_NO_REWIND },
{ "size", 1, 0, OPT_SIZE },
{ "rewind-at-start", 0, 0, OPT_REWIND },
{ "version", 0, 0, OPT_VERSION },
{ 0, 0, 0, 0 },
};
static int lo;
for (;;) {
int c = getopt_long(argc, argv, "d:hm:M:s:rRV?", op, &lo);
if (c == -1)
break;
switch (c) {
case OPT_DEVICE:
device = optarg;
break;
case OPT_HELP:
case '?':
printf("tape-benchmark (" TAPEBENCHMARK_VERSION ")\n");
printf(" -d, --device=DEV : use this device DEV instead of \"" DEFAULT_DEVICE "\"\n");
printf(" -h, --help : show this and quit\n");
convert_size(buffer_size, 16, MAX_BUFFER_SIZE);
printf(" -M, --max-buffer-size=SIZE : maximum buffer size (instead of %s)\n", buffer_size);
convert_size(buffer_size, 16, MIN_BUFFER_SIZE);
printf(" -m, --min-buffer-size=SIZE : minimum buffer size (instead of %s)\n", buffer_size);
convert_size(buffer_size, 16, DEFAULT_SIZE);
printf(" -s, --size=SIZE : size of file (default: %s)\n", buffer_size);
printf(" -r, --no-rewind : no rewind tape between step (default: rewind between step)\n");
printf(" -R, --rewind-at-start : rewind tape before writing on tape, (default: no rewind at start)\n\n");
printf("SIZE can be specified with (BKGT)\n");
printf(" 1B => 1 byte, 1K => 1024B, 1M => 1024K, 1G => 1024M, 1T => 1024G\n");
printf("Another way to set the size is by specifying an integer which will be interpreted as a power of two.\n");
printf(" 10 => 2^10 bytes (= 1K), 16 => 2^16 bytes (= 64K), 24 => 2^24 bytes (= 16M), and so on\n");
printf("Constraint: min-buffer-size and max-buffer-size should be a power of two\n\n");
printf("Note: this programme will allocate 32 buffers of max-buffer-size\n");
return 0;
case OPT_MAX_BUFFER:
tmp_size = parse_size(optarg);
if (check_size(tmp_size)) {
max_buffer_size = tmp_size;
} else {
printf("Error: max-buffer-size should be a power of two\n");
return 1;
}
break;
case OPT_MIN_BUFFER:
tmp_size = parse_size(optarg);
if (check_size(tmp_size)) {
min_buffer_size = tmp_size;
} else {
printf("Error: min-buffer-size should be a power of two\n");
return 1;
}
break;
case OPT_NO_REWIND:
no_rewind = true;
break;
case OPT_SIZE:
size = parse_size(optarg);
break;
case OPT_REWIND:
rewind = true;
break;
case OPT_VERSION:
printf("tape-benchmark (" TAPEBENCHMARK_VERSION ", date and time : " __DATE__ " " __TIME__ ")\n");
printf("checksum of source code: " TAPEBENCHMARK_SRCSUM "\n");
printf("git commit: " TAPEBENCHMARK_GIT_COMMIT "\n");
return 0;
}
}
print_time();
print_flush("Openning \"%s\"... ", device);
int fd_tape = open(device, O_RDONLY);
if (fd_tape < 0) {
printf("failed!!!, because %m\n");
return 2;
}
struct mtget mt;
int failed = ioctl(fd_tape, MTIOCGET, &mt);
if (failed != 0) {
close(fd_tape);
printf("Oops: seem not to be a valid tape device\n");
return 2;
}
if (GMT_WR_PROT(mt.mt_gstat)) {
close(fd_tape);
printf("Oops: Write lock enabled\n");
return 2;
}
failed = close(fd_tape);
fd_tape = open(device, O_WRONLY);
if (fd_tape < 0) {
printf("failed!!!, because %m\n");
return 2;
} else {
printf("fd: %d\n", fd_tape);
}
if (rewind && !rewind_tape(fd_tape))
return 2;
ssize_t current_block_size = (mt.mt_dsreg & MT_ST_BLKSIZE_MASK) >> MT_ST_BLKSIZE_SHIFT;
print_time();
print_flush("Generate random data from \"/dev/urandom\"... ");
int fd_ran = open("/dev/urandom", O_RDONLY);
if (fd_ran < 0) {
printf("Failed to open because %m\n");
close(fd_tape);
return 2;
}
int j;
for (j = 0; j < 32; j++) {
buffer[j] = malloc(max_buffer_size);
if (buffer[j] == NULL) {
printf("Error: failed to allocated memory (size: %zd) because %m\n", max_buffer_size);
close(fd_tape);
close(fd_ran);
return 3;
}
ssize_t nb_read = read(fd_ran, buffer[j], max_buffer_size);
if (nb_read < 0)
printf("\nWarning: failed to read from \"/dev/urandom\" because %m\n");
else if (nb_read < max_buffer_size)
printf("\nWarning: read less than expected, %zd instead of %zd\n", nb_read, max_buffer_size);
}
close(fd_ran);
printf("done\n");
static char clean_line[64];
memset(clean_line, ' ', 64);
ssize_t write_size;
for (write_size = min_buffer_size; write_size <= max_buffer_size; write_size <<= 1) {
if (current_block_size > 0) {
write_size = current_block_size;
printf("Warning: block size is defined to %zd instead of %zd\n", current_block_size, write_size);
}
struct pollfd plfd = { fd_tape, POLLOUT, 0 };
int pll_rslt = poll(&plfd, 1, 100);
int poll_retry = 0;
while (pll_rslt < 1) {
if (poll_retry == 0)
printf("Device is no ready, so we wait until");
else
printf(".");
fflush(stdout);
poll_retry++;
pll_rslt = poll(&plfd, 1, 6000);
if (pll_rslt > 0)
printf("\n");
}
struct timeval time_start;
gettimeofday(&time_start, NULL);
ssize_t nb_loop = size / write_size;
convert_size(buffer_size, 16, write_size);
print_time();
printf("Starting, nb loop: %zd, block size: %s\n", nb_loop, buffer_size);
struct timespec start, last, current;
clock_gettime(CLOCK_MONOTONIC, &start);
last = start;
int write_error = 0;
long long int i;
static int last_width = 64;
for (i = 0; i < nb_loop; i++) {
ssize_t nb_write = write(fd_tape, buffer[i & 0x1F], write_size);
if (nb_write < 0) {
if (last_width > 0)
printf("\r%*s\r", last_width, clean_line);
switch (errno) {
case EINVAL:
convert_size(buffer_size, 16, write_size >> 1);
printf("It seems that you cannot use a block size greater than %s\n", buffer_size);
break;
case EBUSY:
printf("rDevice is busy, so we wait a few seconds before restarting\n");
sleep(8);
print_time();
printf("Restarting, nb loop: %zd, block size: %s\n", nb_loop, buffer_size);
i = -1;
clock_gettime(CLOCK_MONOTONIC, &start);
break;
default:
printf("Oops: an error occured => (%d) %m\n", errno);
printf("fd: %d, buffer: %p, count: %zd\n", fd_tape, buffer[i & 0x1F], write_size);
break;
}
write_error = 1;
break;
}
clock_gettime(CLOCK_MONOTONIC, ¤t);
if (last.tv_sec + 5 <= current.tv_sec) {
float pct = 100 * i;
double time_spent = difftime(current.tv_sec, start.tv_sec);
double speed = i * write_size;
speed /= time_spent;
convert_size(buffer_size, 16, speed);
printf("\r%*s\r", last_width, clean_line);
printf("loop: %lld, current speed %s, done: %.2f%%%n", i, buffer_size, pct / nb_loop, &last_width);
fflush(stdout);
last = current;
}
}
printf("\r%*s\r", last_width, clean_line);
struct timeval end;
gettimeofday(&end, 0);
clock_gettime(CLOCK_MONOTONIC, ¤t);
double time_spent = difftime(current.tv_sec, start.tv_sec);
double speed = i * write_size;
speed /= time_spent;
convert_size(buffer_size, 16, speed);
print_time();
printf("Finished, current speed %s\n", buffer_size);
struct mtget mt2;
failed = ioctl(fd_tape, MTIOCGET, &mt2);
if (failed != 0) {
printf("MTIOCGET failed => %m\n");
break;
}
struct mtop eof = { MTWEOF, 1 };
failed = ioctl(fd_tape, MTIOCTOP, &eof);
if (failed != 0) {
printf("Weof failed => %m\n");
break;
}
struct mtop nop = { MTNOP, 1 };
failed = ioctl(fd_tape, MTIOCTOP, &nop);
if (failed != 0) {
printf("Nop failed => %m\n");
break;
}
failed = ioctl(fd_tape, MTIOCGET, &mt2);
if (failed != 0) {
printf("MTIOCGET failed => %m\n");
break;
}
if (!no_rewind) {
if (mt.mt_fileno < 2) {
rewind_tape(fd_tape);
} else {
print_time();
print_flush("Moving backward space 1 file... ");
static struct mtop rewind = { MTBSFM, 2 };
failed = ioctl(fd_tape, MTIOCTOP, &rewind);
if (failed != 0)
printf("Failed => %m\n");
else
printf("done\n");
}
}
failed = ioctl(fd_tape, MTIOCGET, &mt2);
if (failed)
printf("MTIOCGET failed => %m\n");
if (current_block_size > 0 || write_error)
break;
}
close(fd_tape);
for (j = 0; j < 32; j++)
free(buffer[j]);
return 0;
}
