/*!
This function is to be run in a separate thread. There it attaches itself
to the given context and waits for incoming MB calls. These are passed on
to __verify_MB_call().
\param ctx the CMPIContext to attach to.
\sa accept_connections()
*/
static void __start_proxy_daemon(CMPIContext * ctx)
{
if (ctx != NULL) {
CBAttachThread(__init_broker, ctx);
}
accept_connections(CIMOM_LISTEN_PORT, __verify_MB_call, 0);
CBDetachThread(__init_broker, ctx);
}
static void TCPCOMM_attachThread(int socket, CONST CMPIBroker * broker,
CONST CMPIContext * context)
{
CMPIStatus rc;
CMPIData ctxid = CMGetContextEntry(context, RCMPI_CTX_ID, NULL);
CONST CMPIContext *ctx = get_context(ctxid.value.uint32);
rc = CBAttachThread(broker, ctx);
(__sft)->serialize_CMPIStatus(socket, &rc);
}
/*!
This function is running in a separate thread and sets up the environment
for the actual request handler before calling it. This comprises reading
the function name and deserializing the calling context.
\param athread contains socket, broker and context handles.
\sa __mb_functions
\sa __handle_MB_call
*/
static void __dispatch_MB_function(struct accept_thread *athread)
{
char *function;
unsigned int i;
TRACE_VERBOSE(("entered function."));
TRACE_NORMAL(("dispatching broker service function request."));
CBAttachThread(athread->broker, athread->context);
function =
__sft->deserialize_string(athread->socket, athread->broker);
socketcomm_deserialize_context(athread->socket, __sft, athread->broker,
athread->context);
for (i = 0;
i < sizeof(__mb_functions) / sizeof(struct socket_mb_function);
i++) {
if (strcmp(function, __mb_functions[i].name) == 0) {
TRACE_INFO(("calling %s to handle request.",
__mb_functions[i].name));
__mb_functions[i].function(athread->socket, athread->broker,
athread->context);
break;
}
}
CBDetachThread(athread->broker, athread->context);
close(athread->socket);
free(athread);
TRACE_VERBOSE(("leaving function."));
}
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;
}
