static void dbRecordField(char *name,char *value)
{
DBENTRY *pdbentry;
tempListNode *ptempListNode;
long status;
if(duplicate) return;
ptempListNode = (tempListNode *)ellFirst(&tempList);
pdbentry = ptempListNode->item;
status = dbFindField(pdbentry,name);
if(status) {
epicsPrintf("Record \"%s\" does not have a field \"%s\"\n",
dbGetRecordName(pdbentry), name);
yyerror(NULL);
return;
}
dbTranslateEscape(value, value); /* yuck: in-place, but safe */
status = dbPutString(pdbentry,value);
if(status) {
epicsPrintf("Can't set \"%s.%s\" to \"%s\"\n",
dbGetRecordName(pdbentry), name, value);
yyerror(NULL);
return;
}
}
static void hookPass1(initHookState state)
{
DBENTRY entry;
DBADDR addr;
if(state!=initHookAfterInitDatabase)
return;
testDiag("initHookAfterInitDatabase");
dbInitEntry(pdbbase, &entry);
if(dbFindRecord(&entry, "rec0.VAL")==0) {
aoRecord *prec = entry.precnode->precord;
testOk(prec->val==3, "VAL %d==3 (init_record value)", (int)prec->val);
testOk1(dbPutString(&entry, "4")==0);
testOk(prec->val==4, "VAL %d==4", (int)prec->val);
} else{
testFail("Missing rec0");
testSkip(1, "missing record");
}
/* Can't restore links in pass 1 */
if(dbNameToAddr("rec1.VAL", &addr)) {
testFail("missing rec1");
testSkip(3, "missing record");
} else {
struct rset *prset = dbGetRset(&addr);
dbfType ftype = addr.field_type;
long count=-1, offset=-1, maxcount = addr.no_elements;
testOk1(prset && prset->get_array_info && prset->put_array_info);
testOk1((*prset->get_array_info)(&addr, &count, &offset)==0);
/* count is ignored */
testOk1((*dbPutConvertRoutine[DBF_DOUBLE][ftype])(&addr, values, NELEMENTS(values), maxcount,offset)==0);
testOk1((*prset->put_array_info)(&addr, NELEMENTS(values))==0);
}
dbFinishEntry(&entry);
}
static void hookPass0(initHookState state)
{
DBENTRY entry;
if(state!=initHookAfterInitDevSup)
return;
testDiag("initHookAfterInitDevSup");
dbInitEntry(pdbbase, &entry);
testDiag("restore integer pass0");
/* rec0.VAL is initially 1, set it to 2 */
if(dbFindRecord(&entry, "rec0.VAL")==0) {
aoRecord *prec = entry.precnode->precord;
testOk(prec->val==1, "VAL %d==1 (initial value from .db)", (int)prec->val);
checkGetString(&entry, "1");
testOk1(dbPutString(&entry, "2")==0);
testOk(prec->val==2, "VAL %d==2", (int)prec->val);
checkGetString(&entry, "2");
} else {
testFail("Missing rec0");
testSkip(4, "missing record");
}
testDiag("restore string pass0");
if(dbFindRecord(&entry, "rec0.DESC")==0) {
aoRecord *prec = entry.precnode->precord;
testOk1(strcmp(prec->desc, "foobar")==0);
checkGetString(&entry, "foobar");
testOk1(dbPutString(&entry, "hello")==0);
testOk1(strcmp(prec->desc, "hello")==0);
checkGetString(&entry, "hello");
} else {
testFail("Missing rec0");
testSkip(4, "missing record");
}
if(dbFindRecord(&entry, "rec1.DESC")==0) {
aoRecord *prec = entry.precnode->precord;
testOk1(strcmp(prec->desc, "")==0);
checkGetString(&entry, "");
testOk1(dbPutString(&entry, "world")==0);
testOk1(strcmp(prec->desc, "world")==0);
checkGetString(&entry, "world");
} else {
testFail("Missing rec1");
testSkip(4, "missing record");
}
testDiag("restore link pass0");
/* rec0.OUT is initially "rec0.DISV", set it to "rec0.SEVR" */
if(dbFindRecord(&entry, "rec0.OUT")==0) {
aoRecord *prec = entry.precnode->precord;
if(prec->out.type==CONSTANT)
testOk(strcmp(prec->out.text,"rec0.DISV")==0,
"%s==rec0.DISV (initial value from .db)",
prec->out.text);
else
testFail("Wrong link type: %d", (int)prec->out.type);
/* note that dbGetString() reads an empty string before links are initialized
* should probably be considered a bug, but has been the case for so long
* we call it a 'feature'.
*/
checkGetString(&entry, "");
testOk1(dbPutString(&entry, "rec0.SEVR")==0);
} else{
testFail("Missing rec0");
testSkip(1, "missing record");
}
/* rec0.SDIS is initially NULL, set it to "rec0.STAT" */
if(dbFindRecord(&entry, "rec0.SDIS")==0) {
aoRecord *prec = entry.precnode->precord;
if(prec->sdis.type==CONSTANT)
testOk1(prec->sdis.value.constantStr==NULL);
else
testFail("Wrong link type: %d", (int)prec->sdis.type);
testOk1(dbPutString(&entry, "rec0.STAT")==0);
} else{
testFail("Missing rec0");
testSkip(1, "missing record");
}
/* can't restore array field in pass0 */
dbFinishEntry(&entry);
}
static long dbPutFieldLink(DBADDR *paddr,
short dbrType, const void *pbuffer, long nRequest)
{
dbCommon *precord = paddr->precord;
dbFldDes *pfldDes = paddr->pfldDes;
long special = paddr->special;
DBLINK *plink = (DBLINK *)paddr->pfield;
const char *pstring = (const char *)pbuffer;
DBENTRY dbEntry;
DBADDR dbaddr;
struct dsxt *old_dsxt = NULL;
struct dset *new_dset = NULL;
struct dsxt *new_dsxt = NULL;
long status;
int isDevLink;
short scan;
switch (dbrType) {
case DBR_CHAR:
case DBR_UCHAR:
if (pstring[nRequest - 1] != '\0')
return S_db_badDbrtype;
break;
case DBR_STRING:
break;
default:
return S_db_badDbrtype;
}
dbInitEntry(pdbbase, &dbEntry);
status = dbFindRecord(&dbEntry, precord->name);
if (!status) status = dbFindField(&dbEntry, pfldDes->name);
if (status) goto finish;
isDevLink = ellCount(&precord->rdes->devList) > 0 &&
(strcmp(pfldDes->name, "INP") == 0 ||
strcmp(pfldDes->name, "OUT") == 0);
dbLockSetGblLock();
dbLockSetRecordLock(precord);
scan = precord->scan;
if (isDevLink) {
devSup *pdevSup = dbDTYPtoDevSup(precord->rdes, precord->dtyp);
if (pdevSup) {
new_dset = pdevSup->pdset;
new_dsxt = pdevSup->pdsxt;
}
if (precord->dset) {
pdevSup = dbDSETtoDevSup(precord->rdes, precord->dset);
if (pdevSup)
old_dsxt = pdevSup->pdsxt;
}
if (new_dsxt == NULL ||
new_dsxt->add_record == NULL ||
(precord->dset && old_dsxt == NULL) ||
(old_dsxt && old_dsxt->del_record == NULL)) {
status = S_db_noSupport;
goto unlock;
}
if (scan == menuScanI_O_Intr) {
scanDelete(precord);
precord->scan = menuScanPassive;
}
if (old_dsxt) {
status = old_dsxt->del_record(precord);
if (status)
goto restoreScan;
}
}
switch (plink->type) { /* Old link type */
case DB_LINK:
free(plink->value.pv_link.pvt);
plink->value.pv_link.pvt = 0;
plink->type = PV_LINK;
plink->value.pv_link.getCvt = 0;
plink->value.pv_link.pvlMask = 0;
plink->value.pv_link.lastGetdbrType = 0;
dbLockSetSplit(precord);
break;
case CA_LINK:
dbCaRemoveLink(plink);
plink->type = PV_LINK;
plink->value.pv_link.getCvt = 0;
plink->value.pv_link.pvlMask = 0;
plink->value.pv_link.lastGetdbrType = 0;
break;
case CONSTANT:
break; /* do nothing */
case PV_LINK:
case MACRO_LINK:
break; /* should never get here */
default: /* Hardware address */
if (!isDevLink) {
status = S_db_badHWaddr;
goto restoreScan;
}
break;
}
if (special) status = dbPutSpecial(paddr, 0);
if (!status) status = dbPutString(&dbEntry, pstring);
if (!status && special) status = dbPutSpecial(paddr, 1);
if (status) {
if (isDevLink) {
precord->dset = NULL;
precord->pact = TRUE;
}
goto postScanEvent;
}
if (isDevLink) {
precord->dpvt = NULL;
precord->dset = new_dset;
precord->pact = FALSE;
status = new_dsxt->add_record(precord);
if (status) {
precord->dset = NULL;
precord->pact = TRUE;
goto postScanEvent;
}
}
switch (plink->type) { /* New link type */
case PV_LINK:
if (plink == &precord->tsel)
recGblTSELwasModified(plink);
plink->value.pv_link.precord = precord;
if (!(plink->value.pv_link.pvlMask & (pvlOptCA|pvlOptCP|pvlOptCPP)) &&
(dbNameToAddr(plink->value.pv_link.pvname, &dbaddr) == 0)) {
/* It's a DB link */
DBADDR *pdbAddr;
plink->type = DB_LINK;
pdbAddr = dbMalloc(sizeof(struct dbAddr));
*pdbAddr = dbaddr; /* NB: structure copy */;
plink->value.pv_link.pvt = pdbAddr;
dbLockSetRecordLock(pdbAddr->precord);
dbLockSetMerge(precord, pdbAddr->precord);
} else { /* Make it a CA link */
char *pperiod;
plink->type = CA_LINK;
if (pfldDes->field_type == DBF_INLINK) {
plink->value.pv_link.pvlMask |= pvlOptInpNative;
}
dbCaAddLink(plink);
if (pfldDes->field_type == DBF_FWDLINK) {
pperiod = strrchr(plink->value.pv_link.pvname, '.');
if (pperiod && strstr(pperiod, "PROC"))
plink->value.pv_link.pvlMask |= pvlOptFWD;
}
}
break;
case CONSTANT:
break;
case DB_LINK:
case CA_LINK:
case MACRO_LINK:
break; /* should never get here */
default: /* Hardware address */
if (!isDevLink) {
status = S_db_badHWaddr;
goto postScanEvent;
}
break;
}
db_post_events(precord, plink, DBE_VALUE | DBE_LOG);
restoreScan:
if (isDevLink &&
scan == menuScanI_O_Intr) { /* undo scanDelete() */
precord->scan = scan;
scanAdd(precord);
}
postScanEvent:
if (scan != precord->scan)
db_post_events(precord, &precord->scan, DBE_VALUE|DBE_LOG);
unlock:
dbLockSetGblUnlock();
finish:
dbFinishEntry(&dbEntry);
return status;
}