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classProvider.c
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classProvider.c
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/*
* classProvider.c
*
* (C) Copyright IBM Corp. 2005
*
* THIS FILE IS PROVIDED UNDER THE TERMS OF THE ECLIPSE PUBLIC LICENSE
* ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS FILE
* CONSTITUTES RECIPIENTS ACCEPTANCE OF THE AGREEMENT.
*
* You can obtain a current copy of the Eclipse Public License from
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* Author: Adrian Schuur <schuur@de.ibm.com>
*
* Description:
*
* Class provider for sfcb .
*
*/
#include "classProviderCommon.h"
#define LOCALCLASSNAME "ClassProvider"
typedef struct _Class_Register_FT Class_Register_FT;
struct _ClassRegister {
void *hdl;
Class_Register_FT *ft;
ClVersionRecord *vr;
int assocs,topAssocs;
char *fn;
};
typedef struct _ClassRegister ClassRegister;
typedef struct _ClassBase {
UtilHashTable *ht;
UtilHashTable *it;
MRWLOCK mrwLock;
} ClassBase;
struct _Class_Register_FT {
int version;
void (*release) (ClassRegister * br);
ClassRegister *(*clone) (ClassRegister * br);
CMPIConstClass *(*getClass) (ClassRegister * br, const char *clsName);
int (*putClass) (ClassRegister * br, CMPIConstClass * cls);
void (*removeClass) (ClassRegister * br, const char *className);
UtilList *(*getChildren) (ClassRegister * br, const char *className);
void (*rLock)(ClassRegister * cr);
void (*wLock)(ClassRegister * cr);
void (*rUnLock)(ClassRegister * cr);
void (*wUnLock)(ClassRegister * cr);
};
extern Class_Register_FT *ClassRegisterFT;
static CMPIConstClass *getClass(ClassRegister * cr, const char *clsName);
int traverseChildren(ClassRegister *cReg, const char *parent, const char *child);
static int nsBaseLen;
static void buildInheritanceTable(ClassRegister * cr)
{
ClassBase *cb = (ClassBase *) (cr + 1);
UtilHashTable *ct = cb->ht, *it;
HashTableIterator *i;
char *cn;
CMPIConstClass *cc;
UtilList *ul;
it = cb->it = UtilFactory->newHashTable(61,
UtilHashTable_charKey | UtilHashTable_ignoreKeyCase);
for (i = ct->ft->getFirst(ct, (void **) &cn, (void **) &cc); i;
i = ct->ft->getNext(ct, i, (void **) &cn, (void **) &cc)) {
const char *p = cc->ft->getCharSuperClassName(cc);
if (p == NULL) continue;
ul = it->ft->get(it, p);
if (ul == NULL) {
ul = UtilFactory->newList();
it->ft->put(it, p, ul);
}
ul->ft->prepend(ul, cc->ft->getCharClassName(cc));
}
}
static void release(ClassRegister * cr)
{
ClassBase *cb = (ClassBase *) cr->hdl;
free(cr->fn);
cb->ht->ft->release(cb->ht);
free(cr);
}
static ClassRegister *regClone(ClassRegister * cr)
{
return NULL;
}
void rLock(ClassRegister * cr) {
ClassBase *cb = (ClassBase *) cr->hdl;
MReadLock(&cb->mrwLock);
}
void wLock(ClassRegister * cr) {
ClassBase *cb = (ClassBase *) cr->hdl;
MWriteLock(&cb->mrwLock);
}
void rUnLock(ClassRegister * cr) {
ClassBase *cb = (ClassBase *) cr->hdl;
MReadUnlock(&cb->mrwLock);
}
void wUnLock(ClassRegister * cr) {
ClassBase *cb = (ClassBase *) cr->hdl;
MWriteUnlock(&cb->mrwLock);
}
static UtilList *getChildren(ClassRegister * cr, const char *className)
{
ClassBase *cb = (ClassBase *) (cr + 1);
return cb->it->ft->get(cb->it, className);
}
static void removeChild(ClassRegister * cr, const char* pn, const char *chd)
{
ClassBase *cb = (ClassBase *) (cr + 1);
char *child;
UtilList *ul=cb->it->ft->get(cb->it, pn);
if (ul) for (child =(char*)ul->ft->getFirst(ul); child; child=(char*)ul->ft->getNext(ul)) {
if (strcasecmp(child,chd)==0) {
ul->ft->removeCurrent(ul);
break;
}
}
}
static ClassRegister *newClassRegister(char *fname)
{
ClassRegister *cr =
(ClassRegister *) malloc(sizeof(ClassRegister) + sizeof(ClassBase));
ClassBase *cb = (ClassBase *) (cr + 1);
FILE *in;
char fin[1024];
long s, total=0;
ClObjectHdr hdr;
ClVersionRecord *vrp=(ClVersionRecord*)&hdr;
int vRec=0,first=1;
cr->hdl = cb;
cr->ft = ClassRegisterFT;
cr->vr = NULL;
cr->assocs = cr->topAssocs = 0;
strcpy(fin, fname);
strcat(fin, "/classSchemas");
in = fopen(fin, "r");
if (in == NULL) {
cb->ht = UtilFactory->newHashTable(61,
UtilHashTable_charKey | UtilHashTable_ignoreKeyCase);
cb->it = UtilFactory->newHashTable(61,
UtilHashTable_charKey | UtilHashTable_ignoreKeyCase);
MRWInit(&cb->mrwLock);
return cr;
}
cr->fn = strdup(fin);
cr->vr=NULL;
cb->ht = UtilFactory->newHashTable(61,
UtilHashTable_charKey | UtilHashTable_ignoreKeyCase);
MRWInit(&cb->mrwLock);
while ((s = fread(&hdr, 1, sizeof(hdr), in)) == sizeof(hdr)) {
CMPIConstClass *cc=NULL;
char *buf=NULL;
char *cn;
if (first) {
if (vrp->size==sizeof(ClVersionRecord) && vrp->type==HDR_Version) vRec=1;
else if (vrp->size==sizeof(ClVersionRecord)<<24 && vrp->type==HDR_Version) {
mlogf(M_ERROR,M_SHOW,"--- %s is in wrong endian format - directory skipped\n",fin);
fclose(in);
return NULL;
}
}
if (vRec==0 && hdr.type!=HDR_Class) {
mlogf(M_ERROR,M_SHOW,"--- %s contains non-class record(s) - directory skipped\n",fin);
fclose(in);
return NULL;
}
buf = (char *) malloc(hdr.size);
if (buf==NULL) {
mlogf(M_ERROR,M_SHOW,"--- %s contains record(s) that are too long - directory skipped\n",fin);
fclose(in);
return NULL;
}
s=hdr.size;
*((ClObjectHdr *) buf) = hdr;
if (fread(buf + sizeof(hdr), 1, hdr.size - sizeof(hdr), in) == hdr.size - sizeof(hdr)) {
if (vRec) {
cr->vr=(ClVersionRecord*)buf;
if (strcmp(cr->vr->id,"sfcb-rep")) {
mlogf(M_ERROR,M_SHOW,"--- %s contains invalid version record - directory skipped\n",fin);
fclose(in);
free(cr);
free(buf);
return NULL;
}
vRec=0;
}
if (first) {
int v=-1;
first=0;
if (ClVerifyObjImplLevel(cr->vr)) continue;
if (cr->vr) v=cr->vr->objImplLevel;
mlogf(M_ERROR,M_SHOW,"--- %s contains unsupported object implementation format (%d) - directory skipped\n",
fin,v);
fclose(in);
free(cr);
free(buf);
return NULL;
}
cc = NEW(CMPIConstClass);
cc->hdl = buf;
cc->ft = CMPIConstClassFT;
cc->ft->relocate(cc);
cn=(char*)cc->ft->getCharClassName(cc);
if (strncmp(cn,"DMY_",4)!=0) {
total+=s;
cb->ht->ft->put(cb->ht, cn, cc);
if (cc->ft->isAssociation(cc)) {
cr->assocs++;
if (cc->ft->getCharSuperClassName(cc) == NULL) cr->topAssocs++;
}
}
else {
free(cc->hdl);
free(cc);
}
}
else {
mlogf(M_ERROR,M_SHOW,"--- %s contains invalid record(s) - directory skipped\n",fin);
fclose(in);
free(cr);
free(buf);
return NULL;
}
first=0;
}
fclose(in);
if (cr->vr) {
mlogf(M_INFO,M_SHOW,"--- ClassProvider for %s (%d.%d-%d) using %ld bytes\n",
fname, cr->vr->version, cr->vr->level, cr->vr->objImplLevel, total);
}
else mlogf(M_INFO,M_SHOW,"--- ClassProvider for %s (no-version) using %ld bytes\n", fname, total);
buildInheritanceTable(cr);
return cr;
}
static int cpyClass(ClClass *cl, CMPIConstClass *cc, unsigned char originId)
{
ClClass *ccl=(ClClass*)cc->hdl;
CMPIData d;
CMPIParameter p;
CMPIType t;
char *name;
char *refName = NULL;
int i,m,iq,mq,ip,mp,propId,methId,parmId;
unsigned long quals;
ClProperty *prop;
ClMethod *meth, *newMeth;
ClParameter *parm, *newParm;
cl->quals |= ccl->quals;
for (i=0,m=ClClassGetQualifierCount(ccl); i<m; i++) {
ClClassGetQualifierAt(ccl,i,&d,&name);
ClClassAddQualifierSpecial(&cl->hdr, &cl->qualifiers, name, d, &ccl->hdr);
}
for (i=0,m=ClClassGetPropertyCount(ccl); i<m; i++) {
ClClassGetPropertyAt(ccl,i,&d,&name,&quals,&refName);
propId=ClClassAddProperty(cl, name, d, refName);
if(refName) {
free(refName);
}
prop=((ClProperty*)ClObjectGetClSection(&cl->hdr,&cl->properties))+propId-1;
for (iq=0,mq=ClClassGetPropQualifierCount(ccl,i); iq<mq; iq++) {
ClClassGetPropQualifierAt(ccl, i, iq, &d, &name);
ClClassAddPropertyQualifierSpecial(&cl->hdr, prop, name, d, &ccl->hdr);
}
}
for (i=0,m=ClClassGetMethodCount(ccl); i<m; i++) {
ClClassGetMethodAt(ccl,i,&t,&name,&quals);
methId=ClClassAddMethod(cl, name, t);
meth=((ClMethod*)ClObjectGetClSection(&ccl->hdr,&ccl->methods))+methId-1;
newMeth=((ClMethod*)ClObjectGetClSection(&cl->hdr,&cl->methods))+methId-1;
for (iq=0,mq=ClClassGetMethQualifierCount(ccl,methId-1); iq<mq; iq++) {
ClClassGetMethQualifierAt(ccl, meth, iq, &d, &name);
ClClassAddMethodQualifier(&cl->hdr, newMeth, name, d);
}
for (ip=0,mp=ClClassGetMethParameterCount(ccl,methId-1); ip<mp; ip++) {
ClClassGetMethParameterAt(ccl, meth, ip, &p, &name);
parmId=ClClassAddMethParameter(&cl->hdr, newMeth, name, p);
parm=((ClParameter*)ClObjectGetClSection(&ccl->hdr,&meth->parameters))+parmId-1;
newParm=((ClParameter*)ClObjectGetClSection(&cl->hdr,&newMeth->parameters))+parmId-1;
for (iq=0,mq=ClClassGetMethParamQualifierCount(ccl,parm); iq<mq; iq++) {
ClClassGetMethParamQualifierAt(ccl, parm, iq, &d, &name);
ClClassAddMethParamQualifier(&cl->hdr, newParm, name, d);
}
}
}
return 0;
}
static CMPIStatus mergeParents(ClassRegister * cr, ClClass *cl, char *p, CMPIConstClass *cc)
{
CMPIStatus st = { CMPI_RC_OK, NULL };
CMPIConstClass *pcc=NULL;
unsigned char originId=0;
if (p) {
pcc = getClass(cr, p);
if (pcc == NULL) {
st.rc = CMPI_RC_ERR_INVALID_SUPERCLASS;
return st;
}
cpyClass(cl,pcc,originId);
}
if (cc) {
cpyClass(cl,cc,originId);
}
return st;
}
static CMPIStatus addClass(ClassRegister * cr,CMPIConstClass *ccp, char *cn, char *p)
{
CMPIStatus st = { CMPI_RC_OK, NULL };
ClassBase *cb = (ClassBase *) (cr + 1);
UtilHashTable *it=cb->it;
UtilList *ul;
char *pn=p;
CMPIConstClass *cc=ccp;
ClClass *mc;
FILE *rep;
if (p) {
mc=ClClassNew(cn,p);
st = mergeParents(cr,mc,pn,ccp);
if (st.rc != CMPI_RC_OK) {
ClClassFreeClass(mc);
return st;
}
ccp->hdl=mc;
}
cc=ccp->ft->clone(ccp,NULL);
mc=(ClClass*)cc->hdl;
cb->ht->ft->put(cb->ht, strdup(cn), cc);
rep = fopen(cr->fn, "a");
fwrite(mc,1,mc->hdr.size,rep);
fclose(rep);
if (cc->ft->isAssociation(cc)) {
cr->assocs++;
if (p == NULL) cr->topAssocs++;
}
if (p) {
ul = it->ft->get(it, p);
if (ul == NULL) {
ul = UtilFactory->newList();
it->ft->put(it, p, ul);
}
ul->ft->prepend(ul, cn);
}
return st;
}
static UtilHashTable *gatherNameSpaces(char *dn, UtilHashTable *ns, int first)
{
DIR *dir, *dir_test;
struct dirent *de;
char *n=NULL;
int l;
ClassRegister *cr;
if (ns==NULL) {
ns= UtilFactory->newHashTable(61,
UtilHashTable_charKey | UtilHashTable_ignoreKeyCase);
nsBaseLen=strlen(dn)+1;
}
dir=opendir(dn);
if (dir) {
while ((de=readdir(dir))!=NULL) {
if (strcmp(de->d_name,".")==0) continue;
if (strcmp(de->d_name,"..")==0) continue;
l=strlen(dn)+strlen(de->d_name)+4;
n=(char*)malloc(l+8);
strcpy(n,dn);
strcat(n,"/");
strcat(n,de->d_name);
dir_test = opendir(n);
if (dir_test == NULL) {
free(n);
continue;
}
closedir(dir_test);
cr=newClassRegister(n);
if (cr) {
ns->ft->put(ns, strdup(n+nsBaseLen), cr);
gatherNameSpaces(n,ns,0);
}
free(n);
}
closedir(dir);
}
else if (first || dir==NULL) {
mlogf(M_ERROR,M_SHOW,"--- Repository %s not found\n",dn);
}
return ns;
}
static UtilHashTable *buildClassRegisters()
{
char *dir;
char *dn;
setupControl(configfile);
if (getControlChars("registrationDir",&dir)) {
dir = "/var/lib/sfcb/registration";
}
dn=(char*)alloca(strlen(dir)+32);
strcpy(dn,dir);
if (dir[strlen(dir)-1]!='/') strcat(dn,"/");
strcat(dn,"repository");
return gatherNameSpaces(dn,NULL,1);
}
static void nsHt_init()
{
nsHt=buildClassRegisters();
}
static ClassRegister *getNsReg(const CMPIObjectPath *ref, int *rc)
{
char *ns;
CMPIString *nsi=CMGetNameSpace(ref,NULL);
ClassRegister *cReg;
*rc=0;
pthread_once(&nsHt_once, nsHt_init);
if (nsHt==NULL) {
mlogf(M_ERROR,M_SHOW,"--- ClassProvider: namespace hash table not initialized\n");
*rc = 1;
return NULL;
}
if (nsi && nsi->hdl) {
ns=(char*)nsi->hdl;
if (strcasecmp(ns,"root/pg_interop")==0)
cReg=nsHt->ft->get(nsHt,"root/interop");
else cReg=nsHt->ft->get(nsHt,ns);
return cReg;
}
*rc=1;
return NULL;
}
static int putClass(ClassRegister * cr, CMPIConstClass * cls)
{
ClassBase *cb = (ClassBase *) cr->hdl;
return cb->ht->ft->put(cb->ht, cls->ft->getCharClassName(cls), cls);
}
static void removeClass(ClassRegister * cr, const char *clsName)
{
FILE *repold,*repnew;
char *tmpfn;
int s;
ClObjectHdr hdr;
ClassBase *cb = (ClassBase *) cr->hdl;
cb->ht->ft->remove(cb->ht, clsName);
repold = fopen(cr->fn, "r");
tmpfn=malloc(strlen(cr->fn)+8);
strcpy(tmpfn,cr->fn);
strcat(tmpfn,".tmp");
repnew = fopen(tmpfn, "w");
while ((s = fread(&hdr, 1, sizeof(hdr), repold)) == sizeof(hdr)) {
CMPIConstClass cc;
char *buf=NULL;
char *cn;
buf = (char *) malloc(hdr.size);
*((ClObjectHdr *) buf) = hdr;
if (fread(buf + sizeof(hdr), 1, hdr.size - sizeof(hdr), repold) == hdr.size - sizeof(hdr)) {
if (hdr.type==HDR_Class) {
cc.hdl = buf;
cc.ft = CMPIConstClassFT;
cc.ft->relocate(&cc);
cn=(char*)cc.ft->getCharClassName(&cc);
if (strcasecmp(clsName,cn)==0) {
free(buf);
continue;
}
}
fwrite(buf,1,hdr.size,repnew);
}
free(buf);
}
fclose(repold);
fclose(repnew);
unlink(cr->fn);
rename(tmpfn, cr->fn);
free(tmpfn);
}
static CMPIConstClass *getClass(ClassRegister * cr, const char *clsName)
{
_SFCB_ENTER(TRACE_PROVIDERS, "getClass");
_SFCB_TRACE(1,("--- classname %s cReg %p",clsName,cr));
ClassBase *cb = (ClassBase *) cr->hdl;
CMPIConstClass *cls = cb->ht->ft->get(cb->ht, clsName);
_SFCB_RETURN(cls);
}
static Class_Register_FT ift = {
1,
release,
regClone,
getClass,
putClass,
removeClass,
getChildren,
rLock,
wLock,
rUnLock,
wUnLock
};
Class_Register_FT *ClassRegisterFT = &ift;
/* ------------------------------------------------------------------ *
* Class MI Cleanup
* ------------------------------------------------------------------ */
static CMPIStatus ClassProviderCleanup(CMPIClassMI * mi, CMPIContext * ctx)
{
HashTableIterator *i,*ii;
ClassRegister *cReg;
ClassBase *cb;
UtilHashTable *ct,*it;
CMPIConstClass *cc;
UtilList *ul;
char *cn;
for (i = nsHt->ft->getFirst(nsHt, (void **) &cn, (void **) &cReg); i;
i = nsHt->ft->getNext(nsHt, i, (void **) &cn, (void **) &cReg)) {
cb = (ClassBase *) (cReg + 1);
ct = cb->ht;
for (ii = ct->ft->getFirst(ct, (void **) &cn, (void **) &cc); ii;
ii = ct->ft->getNext(ct, ii, (void **) &cn, (void **) &cc)) {
cc->ft->release(cc);
}
ct->ft->release(ct);
it = cb->it;
for (ii = it->ft->getFirst(it, (void **) &cn, (void **) &ul); ii;
ii = it->ft->getNext(it, ii, (void **) &cn, (void **) &ul)) {
ul->ft->release(ul);
}
it->ft->release(it);
}
nsHt->ft->release(nsHt);
CMReturn(CMPI_RC_OK);
}
/* ------------------------------------------------------------------ *
* Class MI Functions
* ------------------------------------------------------------------ */
static void loopOnChildNames(ClassRegister *cReg, char *cn, CMPIResult * rslt)
{
CMPIObjectPath *op;
UtilList *ul = getChildren(cReg,cn);
char *child;
if (ul) for (child = (char *) ul->ft->getFirst(ul); child; child = (char *) ul->ft->getNext(ul)) {
op=CMNewObjectPath(_broker,NULL,child,NULL);
CMReturnObjectPath(rslt,op);
loopOnChildNames(cReg,child,rslt);
}
}
static CMPIStatus ClassProviderEnumClassNames(CMPIClassMI * mi,
CMPIContext * ctx,
CMPIResult * rslt,
CMPIObjectPath * ref)
{
CMPIStatus st = { CMPI_RC_OK, NULL };
char *cn=NULL;
CMPIFlags flgs=0;
CMPIString *cni;
ClassBase *cb;
HashTableIterator *it;
char *key;
int rc,n;
CMPIConstClass *cls;
CMPIObjectPath *op;
ClassRegister *cReg;
char *ns;
_SFCB_ENTER(TRACE_PROVIDERS, "ClassProviderEnumClassNames");
cReg=getNsReg(ref, &rc);
if (cReg==NULL) {
CMPIStatus st = { CMPI_RC_ERR_INVALID_NAMESPACE, NULL };
_SFCB_RETURN(st);
}
ns=(char*)CMGetNameSpace(ref,NULL)->hdl;
flgs=ctx->ft->getEntry(ctx,CMPIInvocationFlags,NULL).value.uint32;
cni=ref->ft->getClassName(ref,NULL);
if (cni) {
cn=(char*)cni->hdl;
if (cn && *cn==0) cn=NULL;
}
cb = (ClassBase *) cReg->hdl;
cReg->ft->rLock(cReg);
if (cn && strcasecmp(cn,"$ClassProvider$")==0) cn=NULL;
if (cn==NULL) {
n=0;
for (it = cb->ht->ft->getFirst(cb->ht, (void **) &key, (void **) &cls);
key && it && cls;
it = cb->ht->ft->getNext(cb->ht, it, (void **) &key, (void **) &cls)) {
if ((flgs & CMPI_FLAG_DeepInheritance) || cls->ft->getCharSuperClassName(cls)==NULL) {
if (((flgs & FL_assocsOnly)==0) || cls->ft->isAssociation(cls)) {
op=CMNewObjectPath(_broker,ns,key,NULL);
CMReturnObjectPath(rslt,op);
}
}
}
} else {
cls = getClass(cReg,cn);
if (cls == NULL) {
st.rc = CMPI_RC_ERR_INVALID_CLASS;
} else if ((flgs & CMPI_FLAG_DeepInheritance)==0) {
UtilList *ul = getChildren(cReg,cn);
char *child;
if (ul) for (child = (char *) ul->ft->getFirst(ul); child; child = (char *) ul->ft->getNext(ul)) {
op=CMNewObjectPath(_broker,ns,child,NULL);
CMReturnObjectPath(rslt,op);
}
} else if (flgs & CMPI_FLAG_DeepInheritance) {
if (((flgs & FL_assocsOnly)==0) || cls->ft->isAssociation(cls))
loopOnChildNames(cReg, cn, rslt);
}
}
cReg->ft->rUnLock(cReg);
_SFCB_RETURN(st);
}
static void loopOnChildren(ClassRegister *cReg, char *cn, CMPIResult * rslt)
{
UtilList *ul = getChildren(cReg,cn);
char *child;
if (ul) for (child = (char *) ul->ft->getFirst(ul); child; child = (char *) ul->ft->getNext(ul)) {
CMPIConstClass *cl = getClass(cReg,child);
CMReturnInstance(rslt, (CMPIInstance *) cl);
loopOnChildren(cReg,child,rslt);
}
}
static CMPIStatus ClassProviderEnumClasses(CMPIClassMI * mi,
CMPIContext * ctx,
CMPIResult * rslt,
CMPIObjectPath * ref)
{
CMPIStatus st = { CMPI_RC_OK, NULL };
char *cn=NULL;
CMPIFlags flgs=0;
CMPIString *cni;
ClassBase *cb;
HashTableIterator *it;
char *key;
int rc;
CMPIConstClass *cls;
ClassRegister *cReg;
_SFCB_ENTER(TRACE_PROVIDERS, "ClassProviderEnumClasss");
cReg=getNsReg(ref, &rc);
if (cReg==NULL) {
CMPIStatus st = { CMPI_RC_ERR_INVALID_NAMESPACE, NULL };
_SFCB_RETURN(st);
}
cReg->ft->rLock(cReg);
flgs=ctx->ft->getEntry(ctx,CMPIInvocationFlags,NULL).value.uint32;
cni=ref->ft->getClassName(ref,NULL);
if (cni) {
cn=(char*)cni->hdl;
if (cn && *cn==0) cn=NULL;
}
cb = (ClassBase *) cReg->hdl;
if (cn==NULL) {
for (it = cb->ht->ft->getFirst(cb->ht, (void **) &key, (void **) &cls);
key && it && cls;
it = cb->ht->ft->getNext(cb->ht, it, (void **) &key, (void **) &cls)) {
if ((flgs & CMPI_FLAG_DeepInheritance) || cls->ft->getCharSuperClassName(cls)==NULL) {
CMReturnInstance(rslt, (CMPIInstance *) cls);
}
}
} else {
cls = getClass(cReg,cn);
if (cls == NULL) {
st.rc = CMPI_RC_ERR_INVALID_CLASS;
} else if ((flgs & CMPI_FLAG_DeepInheritance)==0) {
UtilList *ul = getChildren(cReg,cn);
char *child;
if (ul) for (child = (char *) ul->ft->getFirst(ul); child; child = (char *) ul->ft->getNext(ul)) {
cls = getClass(cReg,child);
CMReturnInstance(rslt, (CMPIInstance *) cls);
}
} else if (flgs & CMPI_FLAG_DeepInheritance) {
loopOnChildren(cReg, cn, rslt);
}
}
cReg->ft->rUnLock(cReg);
_SFCB_RETURN(st);
}
static CMPIStatus ClassProviderGetClass(CMPIClassMI * mi,
CMPIContext * ctx,
CMPIResult * rslt,
CMPIObjectPath * ref, char **properties)
{
CMPIStatus st = { CMPI_RC_OK, NULL };
CMPIString *cn = CMGetClassName(ref, NULL);
CMPIConstClass *cl;
ClassRegister *cReg;
int rc;
_SFCB_ENTER(TRACE_PROVIDERS, "ClassProviderGetClass");
_SFCB_TRACE(1,("--- ClassName=\"%s\"",(char *) cn->hdl));
cReg=getNsReg(ref, &rc);
if (cReg==NULL) {
CMPIStatus st = { CMPI_RC_ERR_INVALID_NAMESPACE, NULL };
_SFCB_RETURN(st);
}
cReg->ft->rLock(cReg);
cl = getClass(cReg, (char *) cn->hdl);
if (cl) {
_SFCB_TRACE(1,("--- Class found"));
CMReturnInstance(rslt, (CMPIInstance *) cl);
} else {
_SFCB_TRACE(1,("--- Class not found"));
st.rc = CMPI_RC_ERR_NOT_FOUND;
}
cReg->ft->rUnLock(cReg);
_SFCB_RETURN(st);
}
static CMPIStatus ClassProviderCreateClass(CMPIClassMI * mi,
CMPIContext * ctx,
CMPIResult * rslt,
CMPIObjectPath * ref, CMPIConstClass * cc)
{
ClassRegister *cReg;
int rc;
CMPIStatus st = { CMPI_RC_OK, NULL };
_SFCB_ENTER(TRACE_PROVIDERS, "ClassProviderCreateClass");
cReg=getNsReg(ref, &rc);
if (cReg==NULL) {
CMPIStatus st = { CMPI_RC_ERR_INVALID_NAMESPACE, NULL };
_SFCB_RETURN(st);
}
char *pn = (char*)cc->ft->getCharSuperClassName(cc);
char *cn = (char*)cc->ft->getCharClassName(cc);
if (getClass(cReg,cn)) {
st.rc = CMPI_RC_ERR_ALREADY_EXISTS;
_SFCB_RETURN(st);
}
if (pn && getClass(cReg,pn)==NULL) {
st.rc = CMPI_RC_ERR_INVALID_SUPERCLASS;
_SFCB_RETURN(st);
}
cReg->ft->wLock(cReg);
st = addClass(cReg,cc,cn,pn);
cReg->ft->wUnLock(cReg);
_SFCB_RETURN(st);
}
static CMPIStatus ClassProviderSetClass(CMPIClassMI * mi,
CMPIContext * ctx,
CMPIResult * rslt,
CMPIObjectPath * cop,
CMPIConstClass * ci)
{
CMPIStatus st = { CMPI_RC_ERR_NOT_SUPPORTED, NULL };
return st;
}
static CMPIStatus ClassProviderDeleteClass(CMPIClassMI * mi,
CMPIContext * ctx,
CMPIResult * rslt, CMPIObjectPath * cop)
{
ClassRegister *cReg;
CMPIConstClass * cl;
int rc;
CMPIStatus st = { CMPI_RC_OK, NULL };
_SFCB_ENTER(TRACE_PROVIDERS, "ClassProviderDeleteClass");
cReg=getNsReg(cop, &rc);
if (cReg==NULL) {
CMPIStatus st = { CMPI_RC_ERR_INVALID_NAMESPACE, NULL };
_SFCB_RETURN(st);
}
char *cn = (char*)cop->ft->getClassName(cop,NULL)->hdl;
cl = getClass(cReg,cn);
if (cl==NULL) {
st.rc = CMPI_RC_ERR_NOT_FOUND;
_SFCB_RETURN(st);
}
UtilList *ul = getChildren(cReg,cn);
if (ul && ul->ft->size(ul)) {
// char *child;
// for (child =(char*)ul->ft->getFirst(ul); child; child=(char*)ul->ft->getNext(ul))
// printf("child: %s\n",child);
st.rc = CMPI_RC_ERR_CLASS_HAS_CHILDREN;
_SFCB_RETURN(st);
}
char *pn = (char*)cl->ft->getCharSuperClassName(cl);
cReg->ft->wLock(cReg);
if (pn) removeChild(cReg, pn, cn);
removeClass(cReg, cn);
cReg->ft->wUnLock(cReg);
_SFCB_RETURN(st);
}
/* ---------------------------------------------------------------------------*/
/* Method Provider Interface */
/* ---------------------------------------------------------------------------*/
extern CMPIBoolean isAbstract(CMPIConstClass * cc);
static int repCandidate(ClassRegister *cReg, char *cn)
{
CMPIConstClass *cl = getClass(cReg,cn);
if (isAbstract(cl)) return 0;
ProviderInfo *info;
_SFCB_ENTER(TRACE_PROVIDERS, "repCandidate");
if (strcasecmp(cn,"cim_indicationfilter")==0 ||
strcasecmp(cn,"cim_indicationsubscription")==0) _SFCB_RETURN(0);
while (cn != NULL) {
info = pReg->ft->getProvider(pReg, cn, INSTANCE_PROVIDER);
if (info) _SFCB_RETURN(0);
cn = (char*)cl->ft->getCharSuperClassName(cl);
if (cn==NULL) break;
cl = getClass(cReg,cn);
}
_SFCB_RETURN(1);
}
static void loopOnChildChars(ClassRegister *cReg, char *cn, CMPIArray *ar, int *i, int ignprov)
{
UtilList *ul = getChildren(cReg,cn);
char *child;
_SFCB_ENTER(TRACE_PROVIDERS, "loopOnChildChars");
_SFCB_TRACE(1,("--- class %s",cn));
if (ul) for (child = (char *) ul->ft->getFirst(ul); child;
child=(char*)ul->ft->getNext(ul)) {
if (ignprov || repCandidate(cReg, child)) {
CMSetArrayElementAt(ar, *i, child, CMPI_chars);
*i=(*i)+1;
}
loopOnChildChars(cReg, child,ar,i,ignprov);
}
_SFCB_EXIT();
}
static void loopOnChildCount(ClassRegister *cReg, char *cn, int *i, int ignprov)
{
UtilList *ul = getChildren(cReg,cn);
char *child;
_SFCB_ENTER(TRACE_PROVIDERS, "loopOnChildCount");
if (ul) for (child = (char *) ul->ft->getFirst(ul); child;
child=(char*)ul->ft->getNext(ul)) {
if (ignprov || repCandidate(cReg, child)) *i=(*i)+1;
loopOnChildCount(cReg, child,i,ignprov);
}
_SFCB_EXIT();
}
static CMPIStatus ClassProviderMethodCleanup(CMPIMethodMI * mi,
const CMPIContext * ctx,
CMPIBoolean terminate)
{
CMPIStatus st = { CMPI_RC_OK, NULL };
return st;
}
static CMPIStatus ClassProviderInvokeMethod(CMPIMethodMI * mi,
const CMPIContext * ctx,
const CMPIResult * rslt,
const CMPIObjectPath * ref,
const char *methodName,
const CMPIArgs * in, CMPIArgs * out)
{
CMPIStatus st = { CMPI_RC_OK, NULL };
CMPIArray *ar;
int rc;
ClassRegister *cReg;