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/*
* DILOAD.C
*
* Add records to the history database given information on stdin
* in the 'didump' format. Generally used to recover or transfer
* a history file between two machines.
*
* To recover a blown up history file:
*
* rm -f dhistory.new
* didump dhistory | diload -f dhistory.new
* if ( $status == 0) then
* mv -f dhistory.new dhistory
* endif
*
* To transfer between machines:
*
* rm -f dhistory.new
* rsh remote -n "/news/dbin/didump /news/dhistory" | \
* diload -f dhistory.new
* if ( $status == 0) then
* mv -f dhistory.new dhistory
* endif
*
* (c)Copyright 1997, Matthew Dillon, All Rights Reserved. Refer to
* the COPYRIGHT file in the base directory of this distribution
* for specific rights granted.
*/
#include "defs.h"
int HistoryEntryValid(History *h);
int
main(int ac, char **av)
{
int r = 1;
int count = 0;
int failed = 0;
char buf[1024];
int flags = 0;
int uflag = 0;
int verbose = 0;
char *fileName = NULL;
LoadDiabloConfig();
{
int i;
for (i = 1; i < ac; ++i) {
char *ptr = av[i];
if (*ptr != '-') {
if (fileName != NULL) {
fprintf(stderr, "Unexpected argument\n");
exit(1);
}
fileName = ptr;
continue;
}
ptr += 2;
switch(ptr[-1]) {
case 'h':
NewHSize = strtol(((*ptr) ? ptr : av[++i]), &ptr, 0);
if (*ptr == 'k' || *ptr == 'K')
NewHSize *= 1024;
if (*ptr == 'm' || *ptr == 'M')
NewHSize *= 1024 * 1024;
if ((NewHSize ^ (NewHSize - 1)) != (NewHSize << 1) - 1) {
fprintf(stderr, "specified history size is not a power of 2\n");
exit(1);
}
break;
case 'v':
verbose = 1;
break;
case 'f':
flags |= HGF_FAST | HGF_NOSEARCH;
break;
case 'u':
uflag = 1;
break;
}
}
}
if (flags & HGF_FAST) {
struct stat st;
if (fileName == NULL) {
fprintf(stderr, "You cannot run fastmode without specifying a filename!\n");
exit(1);
}
if (stat(fileName, &st) == 0 && uflag == 0) {
fprintf(stderr, "-f history files may not previously exist unless you also specify -u\n");
fprintf(stderr, "WARNING! -f -u is NOT suggested!\n");
exit(1);
}
if (uflag)
flags &= ~HGF_NOSEARCH;
}
HistoryOpen(fileName, flags);
while (fgets(buf, sizeof(buf), stdin) != NULL) {
History h = { 0 };
int n;
int iter;
int exp;
if (buf[0] == '.') {
r = 0;
break;
}
n = sscanf(buf, "DUMP %x.%x.%x gm=%d ex=%d boff=%d bsize=%d",
&h.hv.h1,
&h.hv.h2,
&iter,
&h.gmt,
&exp,
&h.boffset, /* 0 if old style dump */
&h.bsize /* 0 if old style dump */
);
if (n >= 5) {
int r = 0;
h.iter = iter;
h.exp = exp;
if (HistoryEntryValid(&h) < 0)
++failed;
else if ((r = HistoryAdd(NULL, &h)) == 0)
++count;
else if (r != RCTRYAGAIN)
++failed;
else {
fprintf(stderr, "HistoryAdd: write failed!\n");
exit(1);
}
} else {
fprintf(stderr, "Format error: %s", buf);
break;
}
if (verbose && ((count + failed) & 1023) == 0) {
printf("%d/%d\r", count, count + failed);
fflush(stdout);
}
}
printf("diload: %d/%d entries loaded\n", count, count + failed);
r = HistoryClose();
if (r == RCOK)
return(0);
else
return(1);
}
int
HistoryEntryValid(History *h)
{
if (h->gmt == 0)
return(-1);
if (h->hv.h1 == 0 && h->hv.h2 == 0)
return(-1);
return(0);
}
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