/*
* write_chunks: write the chunk_buf on the device. The number of write
* operations are based on the parameters write_end, offset, and chunksize.
*
* Returns 0 on success, or -ve error number on failure.
*/
int write_chunks(int fd, unsigned long long offset,unsigned long long write_end,
char *chunk_buf, size_t chunksize, const time_t time_st,
const ino_t inode_st, const char *file)
{
unsigned long long stride, count = 0;
stride = full ? chunksize : (ONE_GB - chunksize);
for (offset = offset & ~(chunksize - 1); offset < write_end;
offset += stride) {
int ret;
if (lseek64(fd, offset, SEEK_SET) == -1) {
fprintf(stderr, "\n%s: lseek64(%s+%llu) failed: %s\n",
progname, file, offset, strerror(errno));
return -errno;
}
if (offset + chunksize > write_end)
chunksize = write_end - offset;
if (!full && offset > chunksize) {
fill_chunk(chunk_buf, chunksize, offset, time_st,
inode_st);
ret = write_retry(fd, chunk_buf, chunksize,
offset, file);
if (ret < 0)
return ret;
offset += chunksize;
count += chunksize;
if (offset + chunksize > write_end)
chunksize = write_end - offset;
}
fill_chunk(chunk_buf, chunksize, offset, time_st, inode_st);
ret = write_retry(fd, chunk_buf, chunksize, offset, file);
if (ret < 0)
return ret;
count += chunksize;
if (verbose > 1)
show_rate("write", offset, &count);
}
if (verbose > 1) {
show_rate("write", offset, &count);
printf("\nwrite complete\n");
}
if (fsync(fd) == -1) {
fprintf(stderr, "%s: fsync failed: %s\n", progname,
strerror(errno));
return -errno;
}
return 0;
}
int main(void)
{
int fd;
fd = open("/dev/ttyS1",O_RDWR |O_NONBLOCK);
if(fd < 0){
exit(1);
}
set_opt_str(fd,9600,8,'N',1);
while(1){
show_ip(fd,1);
show_rate(fd,1);
show_temperature(fd,1);
}
close(fd);
return 0;
}
/*
* read_chunk: reads the chunk_buf from the device. The number of read
* operations are based on the parameters read_end, offset, and chunksize.
*/
int read_chunks(int fd, unsigned long long offset, unsigned long long read_end,
char *chunk_buf, size_t chunksize, const time_t time_st,
const ino_t inode_st, const char *file)
{
unsigned long long stride, count = 0;
if (ioctl(fd, BLKFLSBUF, 0) < 0 && verbose)
fprintf(stderr, "%s: ioctl BLKFLSBUF failed: %s (ignoring)\n",
progname, strerror(errno));
stride = full ? chunksize : (ONE_GB - chunksize);
for (offset = offset & ~(chunksize - 1); offset < read_end;
offset += stride) {
ssize_t nread;
if (lseek64(fd, offset, SEEK_SET) == -1) {
fprintf(stderr, "\n%s: lseek64(%llu) failed: %s\n",
progname, offset, strerror(errno));
return 1;
}
if (offset + chunksize > read_end)
chunksize = read_end - offset;
if (!full && offset > chunksize) {
nread = read(fd, chunk_buf, chunksize);
if (nread < 0) {
fprintf(stderr,"\n%s: read %s@%llu+%zi failed: "
"%s\n", progname, file, offset,
chunksize, strerror(errno));
error_count++;
return 1;
}
if (nread < chunksize) {
fprintf(stderr, "\n%s: read %s@%llu+%zi short: "
"%zi read\n", progname, file, offset,
chunksize, nread);
error_count++;
}
if (verify_chunk(chunk_buf, nread, offset, time_st,
inode_st, file) != 0)
return 1;
offset += chunksize;
count += chunksize;
/* Need to reset position after read error */
if (nread < chunksize &&
lseek64(fd, offset, SEEK_SET) == -1) {
fprintf(stderr,
"\n%s: lseek64(%s@%llu) failed: %s\n",
progname, file, offset,strerror(errno));
return 1;
}
if (offset + chunksize >= read_end)
chunksize = read_end - offset;
}
nread = read(fd, chunk_buf, chunksize);
if (nread < 0) {
fprintf(stderr, "\n%s: read failed: %s\n", progname,
strerror(errno));
error_count++;
return 1;
}
if (nread < chunksize) {
fprintf(stderr, "\n%s: read %s@%llu+%zi short: "
"%zi read\n", progname, file, offset,
chunksize, nread);
error_count++;
}
if (verify_chunk(chunk_buf, nread, offset, time_st,
inode_st, file) != 0)
return 1;
count += chunksize;
if (verbose > 1)
show_rate("read", offset, &count);
}
if (verbose > 1) {
show_rate("read", offset, &count);
printf("\nread complete\n");
}
return 0;
}
int do_login(int argc, char *outfile, char *outtyp, char *outcomp, int forcehead)
{
DSK_PDRIVER outdr = NULL;
dsk_err_t e;
DSK_GEOMETRY dg;
unsigned char drv_status;
const char *comp;
char *comment;
int indent = 0;
int opt, any;
dsk_reportfunc_set(report, report_end);
e = dsk_open(&outdr, outfile, outtyp, outcomp);
if (!e) e = dsk_set_retry(outdr, retries);
if (forcehead >= 0 && !e) e = dsk_set_forcehead(outdr, forcehead);
if (!e) e = dsk_getgeom(outdr, &dg);
if (!e)
{
if (argc > 1)
{
printf("%s:\n", outfile);
indent = 2;
}
printf( "%-*.*sDriver: %s\n",
indent, indent, "", dsk_drvdesc(outdr));
comp = dsk_compname(outdr);
if (comp)
{
printf("%-*.*sCompression: %s\n",
indent, indent, "", dsk_compdesc(outdr));
}
if (forcehead >= 0)
{
printf("%-*.*s[Forced to read from side %d]\n",
indent, indent, "", forcehead);
}
printf("%-*.*sSidedness: %s\n"
"%-*.*sCylinders: %2d\n"
"%-*.*sHeads: %d\n"
"%-*.*sSectors: %3d\n"
"%-*.*sFirst sector: %3d\n"
"%-*.*sSector size: %4ld\n"
"%-*.*sData rate: %s\n"
"%-*.*sRecord mode: %s\n"
"%-*.*sComplement: %s\n"
"%-*.*sR/W gap: 0x%02x\n"
"%-*.*sFormat gap: 0x%02x\n",
indent, indent, "", show_sidedness(dg.dg_sidedness),
indent, indent, "", dg.dg_cylinders,
indent, indent, "", dg.dg_heads,
indent, indent, "", dg.dg_sectors,
indent, indent, "", dg.dg_secbase,
indent, indent, "", (long)dg.dg_secsize,
indent, indent, "", show_rate(dg.dg_datarate),
indent, indent, "", show_recmode(dg.dg_fm),
indent, indent, "", (dg.dg_fm & RECMODE_COMPLEMENT) ? "Yes" : "No",
indent, indent, "", dg.dg_rwgap,
indent, indent, "", dg.dg_fmtgap);
e = dsk_drive_status(outdr, &dg, 0, &drv_status);
if (!e)
{
printf("\n%-*.*sDrive status: 0x%02x\n",
indent, indent, "", drv_status);
}
e = dsk_get_comment(outdr, &comment);
if (!e && comment)
{
char *c;
printf("%-*.*sComment: ", indent, indent, "");
c = comment;
while (*c)
{
putchar(*c);
if (*c == '\n') printf("%-*.*s ",
indent, indent, "");
c++;
}
}
putchar('\n');
/* Dump filesystem options -- ie, any options beginning "FS." */
opt = 0;
any = 0;
while (dsk_option_enum(outdr, opt, &comment) == DSK_ERR_OK &&
comment != NULL)
{
int value;
char buf[30];
if (!strncmp(comment, "FS:", 3) &&
dsk_get_option(outdr, comment, &value) == DSK_ERR_OK)
{
if (!any)
{
printf("%-*.*sFilesystem parameters:\n",
indent, indent, "");
any = 1;
}
sprintf(buf, "%s:", comment + 3);
printf("%-*.*s%-15.15s0x%02x\n",
indent, indent, "", buf, value);
}
++opt;
}
}
if (outdr)
{
if (!e) e = dsk_close(&outdr); else dsk_close(&outdr);
}
if (e)
{
fprintf(stderr, "%s: %s\n", outfile, dsk_strerror(e));
return 1;
}
return 0;
}
