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dbLink: dbAddLinkHook hack

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Add a hook for outside code the hijack CA_LINKs
This commit is contained in:
Michael Davidsaver
2016-03-23 20:46:48 -04:00
parent 4b3bdf31c2
commit 47b3c68af1
1 changed files with 18 additions and 2 deletions
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20
src/ioc/db/dbLink.c
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@@ -444,6 +444,8 @@ static lset dbDb_lset = {
/***************************** Generic Link API *****************************/
void (*dbAddLinkHook)(struct link *link, short dbfType);
void dbInitLink(struct link *plink, short dbfType)
{
struct dbCommon *precord = plink->precord;
@@ -469,7 +471,17 @@ void dbInitLink(struct link *plink, short dbfType)
if (dbfType == DBF_INLINK)
plink->value.pv_link.pvlMask |= pvlOptInpNative;
dbCaAddLink(NULL, plink, dbfType);
plink->lset = NULL;
if(dbAddLinkHook)
(*dbAddLinkHook)(plink, dbfType);
if((plink->lset==NULL) ^ (plink->type==PV_LINK)) {
errlogPrintf("custom link types must set both type and lset.\n");
plink->lset = NULL;
plink->type = PV_LINK;
plink->value.pv_link.pvt = NULL; // leaking
}
if(!plink->lset)
dbCaAddLink(NULL, plink, dbfType);
if (dbfType == DBF_FWDLINK) {
char *pperiod = strrchr(plink->value.pv_link.pvname, '.');
@@ -508,7 +520,11 @@ void dbAddLink(dbLocker *locker, struct link *plink, short dbfType, DBADDR *ptar
if (dbfType == DBF_INLINK)
plink->value.pv_link.pvlMask |= pvlOptInpNative;
dbCaAddLink(locker, plink, dbfType);
plink->lset = NULL;
if(dbAddLinkHook)
(*dbAddLinkHook)(plink, dbfType);
if(!plink->lset)
dbCaAddLink(locker, plink, dbfType);
if (dbfType == DBF_FWDLINK) {
char *pperiod = strrchr(plink->value.pv_link.pvname, '.');