// Support for extrinsic ExecQuery
CMPIStatus cmpiPerf_TestClassProviderExecQuery(
CMPIInstanceMI * mi,
const CMPIContext * ctx,
const CMPIResult * rslt,
const CMPIObjectPath * ref,
const char * lang,
const char * query)
{
CMPIStatus rc = {CMPI_RC_OK, NULL};
CMPISelectExp * sel = NULL;
CMPIInstance * ci = NULL;
CMPIBoolean evalRslt;
unsigned int index = 0,
numInst = getNumberOfInstances();
// The CMNewSelectExp will return CMPI_RC_ERR_QUERY_LANGUAGE_NOT_SUPPORTED
// if the language is not supported, therefore no specific check of the
// lang supplied by the caller is necessary.
// Create a CMPISelectExp (Select Expression) from the query string,
// specifying a NULL projection (whatever that is...)
sel = CMNewSelectExp(_broker, query, lang, NULL, &rc);
if (sel == NULL)
{
return rc;
}
// Loop through all the instances,
// evaluating them against the CMPI SelectExp.
for (index=0; index<numInst; index++)
{
ci = _makeInst_TestClass( _broker, ctx, ref, NULL, index );
// Check that the CMPIInstance was successfully retrieved, otherwise
// return with an error. One might consider not failing the query just
// because one or more instances failed to be obtained and instead use
// the rc to indicate that the results are incomplete due to instance
// failures.
if (ci == NULL)
{
return rc;
}
// Evaluate the instance against the CMPI Select Expression
evalRslt = CMEvaluateSelExp(sel, ci, &rc);
if ((CMPIBoolean) 0 != evalRslt)
{
CMReturnInstance( rslt, ci );
}
}
return rc;
}
static CMPI_THREAD_RETURN CMPI_THREAD_CDECL
thread (void *args)
{
CMPIString *str = NULL;
CMPIStatus rc = { CMPI_RC_OK, NULL };
CMPIStatus rc_Eval = { CMPI_RC_OK, NULL };
CMPIStatus rc_Clone = { CMPI_RC_OK, NULL };
CMPIStatus rc_Inst = { CMPI_RC_OK, NULL };
CMPIStatus rc_Pred = { CMPI_RC_OK, NULL };
CMPIStatus rc_Array = { CMPI_RC_OK, NULL };
CMPIStatus rc_CMGetPropertyAt = { CMPI_RC_OK, NULL };
CMPIString *type = NULL;
CMPISelectExp *clone = NULL;
CMPIBoolean evalRes;
CMPIInstance *inst = NULL;
CMPIObjectPath *objPath = NULL;
CMPIString *name = NULL;
CMPIData prop_data = { 0, CMPI_null, {0} };
CMPIData data = { 0, CMPI_null, {0} };
CMPIArray *projection = NULL;
/* General purpose counters */
unsigned int idx;
CMPICount cnt;
/* Select Condition and sub conditions */
CMPISelectCond *cond = NULL;
int sub_type;
CMPISubCond *subcnd = NULL;
/* Predicate operations */
CMPICount pred_cnt;
unsigned int pred_idx;
CMPIPredicate *pred = NULL;
CMPIType pred_type;
CMPIPredOp pred_op;
CMPIString *left_side = NULL;
CMPIString *right_side = NULL;
/* Thread specific data, passed in via arguments. This could also
be passed via thread specific data.. */
void **arguments = (void **) args;
CMPIContext *ctx;
CMPISelectExp *se;
char *ns;
CMPIBroker *broker;
// Copy over the CMPISelectExp, CMPIContext, CMPIBroker and the ns from the argument.
se = (CMPISelectExp *)arguments[0];
ctx = (CMPIContext *)arguments[1];
broker = (CMPIBroker *)arguments[2];
ns = (char *)arguments[3];
free(arguments);
_thread_active = 1;
// Get the CMPIContext and attach it to this thread.
rc = CBAttachThread (broker, ctx);
// Wait until we get the green signal.
while (_thread_runs == 0)
{
broker->xft->threadSleep(1000);
}
//PROV_LOG_OPEN (_IndClassName, _ProviderLocation);
PROV_LOG ("--- CBAttachThread callled.");
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc), (rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("--- %s CMPI thread(void *) running",_IndClassName);
PROV_LOG ("-- #1 Clone");
clone = CMClone (se, &rc_Clone);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Clone), (rc_Clone.msg == 0) ? "" : CMGetCharPtr(rc_Clone.msg));
if (clone)
CMRelease (clone);
/*
This functionality is not used in indication providers, but instead in
ExecQuery provider API (instance providers). But for the sake
of completness this functionality is also used here. */
PROV_LOG ("-- #1.1 CMNewSelectExp");
str = CMGetSelExpString (se, &rc);
clone =
//CMPI_CQL_NewSelectExp (broker, CMGetCharPtr (str), "CIMxCQL",
CMNewSelectExp (broker, CMGetCharPtr (str), "CIM:CQL",
&projection, &rc_Clone);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Clone), (rc_Clone.msg == 0) ? "" : CMGetCharPtr(rc_Clone.msg));
if (clone)
{
if (projection)
{
PROV_LOG ("--- #1.2 Projection list is: ");
cnt = CMGetArrayCount (projection, &rc_Array);
PROV_LOG ("---- %s, [%s]", strCMPIStatus (rc_Array),(rc_Array.msg == 0) ? "" : CMGetCharPtr(rc_Array.msg));
PROV_LOG ("--- #1.3 CMGetArrayCount, %d", cnt);
for (idx = 0; idx < cnt; idx++)
{
PROV_LOG ("--- #1.4 CMGetArrayElementAt");
data = CMGetArrayElementAt (projection, idx, &rc_Array);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Array), (rc_Array.msg == 0) ? "" : CMGetCharPtr(rc_Array.msg));
PROV_LOG ("---- type is : %d", data.type);
if (data.type == CMPI_chars)
{
PROV_LOG ("---- %s (chars)", data.value.chars);
}
if (data.type == CMPI_string)
{
PROV_LOG ("---- %s (string)",
CMGetCharPtr (data.value.string));
}
}
}
else
{
PROV_LOG
("--- #1.2 No projection list, meaning it is SELECT * .... ");
}
}
// This is how an indication provider would work.
// Create an objectpath + instance and use CMEvaluateSelExp
// OR
// use CMEvaluateSelExpUsingAccessor and pass in the function that would
// provide the properties values.
PROV_LOG ("-- #2 MakeObjectPath");
// Create instance
objPath = make_ObjectPath (broker, _Namespace, _IndClassName);
type = CDGetType (broker, objPath, &rc_Inst);
PROV_LOG ("---- %s (%s) [%s]", CMGetCharPtr (type), strCMPIStatus (rc_Inst),(rc_Inst.msg == 0) ? "" : CMGetCharPtr(rc_Inst.msg));
CMRelease (type);
PROV_LOG ("-- #3 Instance");
inst = CMNewInstance (broker, objPath, &rc_Inst);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Inst), (rc_Inst.msg == 0) ? "" : CMGetCharPtr(rc_Inst.msg));
if (rc_Inst.rc == CMPI_RC_ERR_NOT_FOUND)
{
PROV_LOG (" --- Class %s is not found in the %s namespace!",
_IndClassName, _Namespace);
PROV_LOG (" --- Aborting!!! ");
goto exit;
}
type = CDGetType (broker, inst, &rc_Inst);
if (type)
{
PROV_LOG ("---- %s (%s) [%s]", CMGetCharPtr (type), strCMPIStatus (rc_Inst),(rc_Inst.msg == 0) ? "" : CMGetCharPtr(rc_Inst.msg));
CMRelease (type);
}
PROV_LOG ("- CMGetPropertyCount: %d", CMGetPropertyCount (inst, &rc));
// Set each property.
for (idx = 0; idx < CMGetPropertyCount (inst, &rc); idx++)
{
prop_data = CMGetPropertyAt (inst, idx, &name, &rc_CMGetPropertyAt);
// Really dumb way of doing it. Just set each property with its own property name.
if (prop_data.type == CMPI_string)
{
CMSetProperty (inst, CMGetCharPtr (name), CMGetCharPtr (name),
CMPI_chars);
}
prop_data = CMGetPropertyAt (inst, idx, &name, &rc_CMGetPropertyAt);
PROV_LOG ("-- %d: %s(%s: %s: %s) [%s]", idx,
CMGetCharPtr (name),
strCMPIType (prop_data.type),
strCMPIValueState (prop_data.state),
strCMPIValue (prop_data.value),
strCMPIStatus (rc_CMGetPropertyAt));
}
PROV_LOG ("-- #4 Evaluate using instance");
evalRes = CMEvaluateSelExp (se, inst, &rc_Eval);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Eval), (rc_Eval.msg == 0) ? "" : CMGetCharPtr(rc_Eval.msg));
if (evalRes == CMPI_true)
{
PROV_LOG ("--- True, sending indication");
rc_Eval = CBDeliverIndication (broker, ctx, _Namespace, inst);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Eval), (rc_Eval.msg == 0) ? "" : CMGetCharPtr(rc_Eval.msg));
}
else
{
PROV_LOG ("--- False");
}
PROV_LOG ("-- #4.1 Evalute using accessor");
evalRes =
CMEvaluateSelExpUsingAccessor (se, instance_accessor, broker, &rc_Eval);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Eval), (rc_Eval.msg == 0) ? "" : CMGetCharPtr(rc_Eval.msg));
if (evalRes == CMPI_true)
{
PROV_LOG ("--- True, but not sending indication");
}
else
{
PROV_LOG ("--- False");
}
PROV_LOG ("-- #5 CMGetSelExpString");
str = CMGetSelExpString (se, &rc);
type = CDGetType (broker, str, &rc_Inst);
if (type != NULL)
{
PROV_LOG ("---- %s (%s) [%s]", CMGetCharPtr (type), strCMPIStatus (rc_Inst), (rc_Inst.msg == 0) ? "" : CMGetCharPtr(rc_Inst.msg));
CMRelease (type);
}
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc), (rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("-- #5.1 Query is [%s]", CMGetCharPtr (str));
PROV_LOG ("-- #5.2 Query is [%s]", ns);
PROV_LOG ("-- #6 Continue evaluating using GetDOC");
{
cond = CMGetDoc (se, &rc);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc), (rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
if (cond != NULL)
{
PROV_LOG ("--- #6.1 CMGetSubCondCountAndType ");
cnt = CMGetSubCondCountAndType (cond, &sub_type, &rc);
PROV_LOG ("---- %s %s", strCMPIStatus (rc), (rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("---- Number of disjunctives: %d, Type: %X", cnt, sub_type);
/* Parsing the disjunctives */
for (idx = 0; idx < cnt; idx++)
{
PROV_LOG ("--- #6.2 CMGetSubCondAt @ %d ", idx);
subcnd = CMGetSubCondAt (cond, idx, &rc);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc),(rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("--- #6.3 CMGetPredicateCount");
pred_cnt = CMGetPredicateCount (subcnd, &rc);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc), (rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("---- Number of predicates in the conjuctives: %d",
pred_cnt);
/* Parsing throught conjuctives */
for (pred_idx = 0; pred_idx < pred_cnt; pred_idx++)
{
PROV_LOG ("--- #6.4 CMGetPredicateAt, %d", pred_idx);
pred = CMGetPredicateAt (subcnd, pred_idx, &rc);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc),(rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("--- #6.4 CMGetPredicateData");
rc = CMGetPredicateData (pred,
&pred_type,
&pred_op, &left_side, &right_side);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc),(rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("----- Type: %s , CMPIPredOp: %s, LS: %s, RS: %s",
strCMPIType (pred_type), strCMPIPredOp (pred_op),
CMGetCharPtr (left_side),
CMGetCharPtr (right_side));
PROV_LOG ("--- #6.5 Evaluate using predicate");
#ifdef CMPI_VER_100
// The CMEvaluatePredicate is gone in the CMPI 1.0 standard.
evalRes =
CMEvaluatePredicateUsingAccessor (pred, instance_accessor,
NULL, &rc_Pred);
#else
// One can also evaluate this specific predicate
evalRes =
CMEvaluatePredicate (pred, "PredicateEvaluation",
CMPI_chars, &rc_Pred);
#endif
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc_Pred), (rc_Pred.msg == 0) ? "" : CMGetCharPtr(rc_Pred.msg));
if (evalRes == CMPI_true)
{
PROV_LOG ("--- True");
}
else
{
PROV_LOG ("--- False");
}
}
}
}
}
PROV_LOG ("-- #7 GetCOD");
{
cond = CMGetCod (se, &rc);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc), (rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
/* Currently this is not supported in Pegasus. */
if (cond != NULL)
{
}
}
exit:
PROV_LOG ("--- CBDetachThread called");
rc = CBDetachThread (broker, ctx);
free (ns);
PROV_LOG ("---- %s [%s]", strCMPIStatus (rc), (rc.msg == 0) ? "" : CMGetCharPtr(rc.msg));
PROV_LOG ("--- %s CMPI thread(void *) exited", _IndClassName);
_thread_active = 0;
_thread_runs = 0;
return (CMPI_THREAD_RETURN) 0;
}
CMPIStatus TestInstanceProviderExecQuery (
CMPIInstanceMI * mi,
const CMPIContext * ctx,
const CMPIResult * rslt,
const CMPIObjectPath * referencePath,
const char *query,
const char *lang)
{
CMPIStatus rc = { CMPI_RC_OK, NULL };
CMPIStatus rc_Eval = { CMPI_RC_OK, NULL };
CMPIStatus rc_Clone = { CMPI_RC_OK, NULL };
CMPIStatus rc_Array = { CMPI_RC_OK, NULL };
CMPISelectExp *se_def = NULL;
CMPICount cnt = 0;
CMPIArray *projection = NULL;
unsigned int j = 0;
CMPIBoolean evalRes;
CMPIData arr_data;
CMPIInstance *instance1;
CMPIObjectPath *cop1;
CMPIData data;
CMPIValue value1;
const char* prop_name;
CMPIData retProp;
/*create the select expression */
se_def = CMNewSelectExp (_broker, query, lang, &projection, &rc_Clone);
if (se_def)
{
/*loop over instances in array to evaluate for requested properties */
for (j = 0; j < numOfInst ; j++)
{
/*check for validity of Instance,that its not deleted */
if(valid[j] == 1)
{
/*get the element from array */
arr_data = CMGetArrayElementAt(
clone_arr_ptr,
j,
&rc);
/*Evaluate the instance using this select expression */
evalRes = CMEvaluateSelExp(se_def,arr_data.value.inst, &rc_Eval);
if (evalRes)
{
/*check if any of properties are requested */
if (projection)
{
/*get number of properties requested */
cnt = CMGetArrayCount (projection, &rc_Array);
/*if count is not equal to number of properties of
instance */
if(cnt == 1)
{
/*check for the properties, requested */
data = CMGetArrayElementAt(
projection,
0,
&rc_Array);
prop_name = CMGetCharsPtr (
data.value.string,
&rc);
/*create the new instance that has to be returned */
cop1 = CMNewObjectPath(
_broker,
"root/cimv2",
_ClassName,
&rc);
instance1 = CMNewInstance(_broker,
cop1,
&rc);
/*if property name is "Identifier",
gets its value from instance */
if(!strcmp(prop_name, "Identifier"))
{
retProp = CMGetProperty(
arr_data.value.inst,
"Identifier",
&rc);
value1.uint8 = retProp.value.uint8;
CMSetProperty(
instance1,
"Identifier",
(CMPIValue *)&value1,
CMPI_uint8);
}
/*if property name is "Message",
gets its value from instance */
if(!strcmp(prop_name, "Message"))
{
retProp = CMGetProperty(
arr_data.value.inst,
"Message",
&rc);
value1.string = retProp.value.string;
CMSetProperty(
instance1,
"Message",
(CMPIValue *)&value1,
CMPI_string);
}
/*if the query is evaluated return instance */
CMReturnInstance (rslt, instance1);
}
}
else
{
CMReturnInstance(rslt, arr_data.value.inst);
}
}
}
}
}
CMReturnDone (rslt);
CMReturn (CMPI_RC_OK);
}
