/*
//
// ISAM - build file cluster
//
*/
int tcob_build_vbidx(struct file_desc *f)
{
int r=0, i=0, ifilehandle, iresult, imode;
tcb_fileio_vbidx_handle *h;
struct keydesc *wkeydesc;
#ifdef DEBUG_FILEISAM_RTS8
fprintf(stderr, "debug : tcob_build_vbidx 010.040 : f->filename=%s, f->flags.file_isvariable=%d;\n", f->filename, f->flags.file_isvariable);
#endif
h = (tcb_fileio_vbidx_handle *)f->dbp;
if (f->flags.file_isvariable == 1) {
imode = ISINOUT+ISVARLEN+ISEXCLLOCK;
isreclen = f->reclen_min;
}
else {
imode = ISINOUT+ISFIXLEN+ISEXCLLOCK;
}
wkeydesc = h->skeydesc;
/* Define ISAM file - define primary key */
ifilehandle = isbuild(f->filename, f->reclen, wkeydesc, imode);
#ifdef DEBUG_FILEISAM_RTS8
fprintf(stderr, "debug : tcob_build_vbidx 010.060 : f->filename=%s, f->reclen=%d, ifilehandle=%d;\n", f->filename, f->reclen, ifilehandle);
#endif
if (ifilehandle < 0) {
r = tcob_eisam2ecob(0);
return (r);
}
/* Define ISAM file - define secondary keys */
for (i=1; i < f->nkeys; i++) {
wkeydesc = h->skeydesc + i;
iresult = isaddindex(ifilehandle, wkeydesc);
if (iresult != 0) {
r = tcob_eisam2ecob(0);
iresult = isclose(ifilehandle);
iserase (f->filename);
return (r);
}
}
iresult = isclose(ifilehandle);
if (iresult != 0) {
r = tcob_eisam2ecob(0);
iserase (f->filename);
return (r);
}
h->ifilehandle = ifilehandle;
#ifdef DEBUG_FILEISAM_RTS8
fprintf(stderr, "debug : tcob_build_vbidx 010.080 : r=%d;\n", r);
#endif
RETURN_STATUS(r);
}
int
main (int iArgc, char **ppcArgv)
{
int iResult,
iLoop,
iLoop2,
iLoop3,
iHandle;
unsigned char
cRecord [256];
struct keydesc
sKeydesc;
char cLogfileName [100],
cCommand [100];
char cFileName [] = "IsamTest";
memset (&sKeydesc, 0, sizeof (sKeydesc));
sKeydesc.k_flags = COMPRESS;
sKeydesc.k_nparts = 1;
sKeydesc.k_start = 0;
sKeydesc.k_leng = 2;
sKeydesc.k_type = CHARTYPE;
if (iArgc == 1) {
printf ("Usage:\n\t%s create\nOR\n\t%s <#iterations>\n", ppcArgv [0], ppcArgv [0]);
exit (1);
}
if (iArgc > 1 && strcmp (ppcArgv [1], "create") == 0) {
iserase (cFileName);
iHandle = isbuild (cFileName, 255, &sKeydesc, ISINOUT+ISFIXLEN+ISEXCLLOCK);
if (iHandle < 0) {
printf ("Error creating database: %d\n", iserrno);
exit (-1);
}
sKeydesc.k_flags |= ISDUPS;
sKeydesc.k_start = 3;
sKeydesc.k_leng = 4;
for (sKeydesc.k_start = 1; sKeydesc.k_start < 2; sKeydesc.k_start++) {
if (isaddindex (iHandle, &sKeydesc)) {
printf ("Error %d adding index %d\n", iserrno, sKeydesc.k_start);
}
}
isclose (iHandle);
sprintf (cLogfileName, "RECOVER");
#ifdef _WIN32
sprintf (cCommand, "del /f /q %s", cLogfileName);
#else
sprintf (cCommand, "rm -f %s; touch %s", cLogfileName, cLogfileName);
#endif
system (cCommand);
return (0);
}
sprintf (cLogfileName, "RECOVER");
#ifdef _WIN32
iResult = open("RECOVER", O_CREAT | O_TRUNC | O_RDWR | O_BINARY, 0666);
#else
iResult = open("RECOVER", O_CREAT | O_TRUNC | O_RDWR, 0666);
#endif
close(iResult);
iResult = islogopen (cLogfileName);
if (iResult < 0) {
printf ("Error opening log: %d\n", iserrno);
exit (-1);
}
/*
srand (time (NULL));
*/
srand (9);
for (iLoop = 0; iLoop < atoi (ppcArgv [1]); iLoop++)
{
if (!(iLoop % 100)) {
printf ("iLoop=%d\n", iLoop);
fflush(stdout);
}
iVBDlCount = 0;
iVBRdCount = 0;
iVBUpCount = 0;
iVBWrCount = 0;
iResult = isbegin ();
if (iResult < 0) {
printf ("Error begin transaction: %d\n", iserrno);
exit (-1);
}
iHandle = isopen (cFileName, ISINOUT+ISFIXLEN+ISTRANS+ISAUTOLOCK);
if (iHandle < 0) {
printf ("Error opening database: %d\n", iserrno);
exit (-1);
}
for (iLoop2 = 0; iLoop2 < 100; iLoop2++)
{
for (iLoop3 = 0; iLoop3 < 256; iLoop3++) {
cRecord [iLoop3] = rand () % 256;
}
iResult =rand () % 4;
/*
fprintf(stderr, "I %d\n", iResult);
*/
switch (iResult) {
case 0:
if ((iResult = iswrite (iHandle, (char *) cRecord)) != 0) {
if (iserrno != EDUPL && iserrno != ELOCKED) {
printf ("Error writing: %d\n", iserrno);
goto err;
}
} else {
iVBWrCount++;
}
break;
case 1:
if ((iResult = isread (iHandle, (char *)cRecord, ISEQUAL)) != 0) {
if (iserrno == ELOCKED) {
; /* printf ("Locked during deletion\n"); */
} else if (iserrno != ENOREC) {
printf ("Error reading: %d\n", iserrno);
goto err;
}
} else {
iVBRdCount++;
}
break;
case 2:
for (iLoop3 = 0; iLoop3 < 256; iLoop3++) {
cRecord [iLoop3] = rand () % 256;
}
if ((iResult = isrewrite (iHandle, (char *)cRecord)) != 0) {
if (iserrno == ELOCKED) {
; /* printf ("Locked during rewrite\n"); */
} else if (iserrno != ENOREC) {
printf ("Error rewriting: %d\n", iserrno);
goto err;
}
} else {
iVBUpCount++;
}
break;
case 3:
if ((iResult = isdelete (iHandle, (char *)cRecord)) != 0) {
if (iserrno == ELOCKED) {
; /* printf ("Locked during deletion\n"); */
} else if (iserrno != ENOREC) {
printf ("Error deleting: %d\n", iserrno);
goto err;
}
}
else
iVBDlCount++;
break;
}
}
iResult = isflush (iHandle);
if (iResult < 0) {
printf ("Error flush: %d\n", iserrno);
exit (-1);
}
iResult = isclose (iHandle);
if (iResult < 0) {
printf ("Error closing database: %d\n", iserrno);
exit (-1);
}
iVBDlTotal += iVBDlCount;
iVBRdTotal += iVBRdCount;
iVBUpTotal += iVBUpCount;
iVBWrTotal += iVBWrCount;
switch (rand () % 2) {
case 0:
iVBDlCommit += iVBDlCount;
iVBRdCommit += iVBRdCount;
iVBUpCommit += iVBUpCount;
iVBWrCommit += iVBWrCount;
iResult = iscommit ();
if (iResult < 0) {
printf ("Error commit: %d\n", iserrno);
exit (-1);
}
break;
case 1:
iResult = isrollback ();
if (iResult < 0) {
if (iserrno == EDUPL || iserrno == ENOREC) {
printf ("Same BUG (%d) as in C-ISAM!\n", iserrno);
} else {
printf ("Error rollback: %d\n", iserrno);
exit (-1);
}
}
break;
}
}
err:
printf (" Total Commited\n");
printf (" -------- --------\n");
printf ("Delete Count: %8d %8d\n", iVBDlTotal, iVBDlCommit);
printf ("Read Count: %8d %8d\n", iVBRdTotal, iVBRdCommit);
printf ("Update Count: %8d %8d\n", iVBUpTotal, iVBUpCommit);
printf ("Write Count: %8d %8d\n", iVBWrTotal, iVBWrCommit);
printf (" -------- --------\n");
printf ("OPS OVERALL : %8d %8d\n", (iVBDlTotal + iVBRdTotal + iVBUpTotal + iVBWrTotal), (iVBDlCommit + iVBRdCommit + iVBUpCommit + iVBWrCommit));
printf (" ========\n");
printf ("ROWS ADDED THIS RUN: %8d\n", (iVBWrCommit - iVBDlCommit));
printf (" ========\n");
return (iResult);
}
int
idxopen (unit *ftnunit, char *name, int create, flag idxerr)
{
struct dictinfo info;
int mode =(ftnunit->ureadonly ? ISINPUT : ISINOUT) +
(ftnunit->ushared ? ISAUTOLOCK : ISEXCLLOCK);
register int i;
keys = ftnunit->ukeys;
if (create) {
if (ftnunit->url == 0)
err (idxerr, 153, "indexed open");
if (ftnunit->unkeys == 0 || keys == NULL)
err (idxerr, 161, "indexed open");
onekey.k_flags = ISNODUPS;
KEYOFF (0)--;
KEYEND (0)--;
dokey (0, ONEKEY);
if (ftnunit->unkeys == 1) {
/* DLAI: need to change isbuild 2nd arg to XINT */
if ((ftnunit->isfd = isbuild (name, ftnunit->url, &onekey, mode)) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
} else {
if ((ftnunit->isfd =
isbuild (name, ftnunit->url, &onekey, ISINOUT + ISEXCLLOCK)) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
onekey.k_flags = ISDUPS;
for (i = 1; i < ftnunit->unkeys; i++) {
KEYOFF (i)--;
KEYEND (i)--;
dokey (i, ONEKEY);
if (isaddindex (ftnunit->isfd, &onekey) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
}
if (ftnunit->ushared) {
if (isclose (ftnunit->isfd) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
if ((ftnunit->isfd = isopen (name, mode)) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
}
}
} else {
if ((ftnunit->isfd = isopen (name, mode)) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
if (isindexinfo (ftnunit->isfd, &info, 0) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
if (ftnunit->unkeys != info.di_nkeys) {
if (ftnunit->unkeys) {
err (idxerr, 148, "indexed open");
} else
ftnunit->unkeys = info.di_nkeys;
}
if (!keys)
keys = (Keyspec *) malloc (sizeof (Keyspec) * info.di_nkeys);
for (i = 0; i < info.di_nkeys; i++) {
if (isindexinfo (ftnunit->isfd, &onekey, i + 1) < SUCCESS)
ierr (idxerr, iserrno, "indexed open");
/* LHL 5/4/89
* To fix bug 4428, problem about trying to open an existing indexed file.
* This is put here because when the indexed file is created, the keys
* are being stored like this. Refer to the above code.
*/
KEYOFF (i)--;
KEYEND (i)--;
/* end of fix */
if (ftnunit->ukeys && dokey (i, NOMATCH)) {
err (idxerr, 148, "indexed open");
} else
dokey (i, UNITKEY);
}
ftnunit->url = info.di_recsize;
ftnunit->ukeys = keys;
}
return SUCCESS;
}
