os_boolean
in_messageDeserializerReadPropertyAction(
c_object object,
c_voidp arg)
{
in_messageDeserializerPropertyActionArg* a = (in_messageDeserializerPropertyActionArg*)arg;
c_property property;
c_type type;
c_voidp data;
assert(object);
assert(arg);
assert(a->object);
assert(a->transformer);
assert(in_messageDeserializerIsValid(a->transformer));
/* For now, we are interested in properties only */
if (c_baseObjectKind(object) == M_ATTRIBUTE)
{
property = c_property(object);
type = c_typeActualType(property->type);
data = C_DISPLACE(a->object, (c_address)property->offset);
in_messageDeserializerReadType(a->transformer, type, data);
}
return OS_TRUE;
}
c_iter
c_bindAttributes(
c_metaObject scope,
c_iter declarations,
c_type type,
c_bool isReadOnly)
{
c_iter attributes;
c_declarator d;
c_metaObject o;
if (isReadOnly) {
/* suppress warnings */
}
attributes = NULL;
d = (c_declarator)c_iterTakeFirst(declarations);
while (d != NULL) {
o = c_metaDefine(scope,M_ATTRIBUTE);
c_property(o)->type = c_declaratorType(d,type);
c_metaFinalize(o);
c_metaBind(scope,d->name,o);
attributes = c_iterInsert(attributes,o);
os_free(d);
d = (c_declarator)c_iterTakeFirst(declarations);
}
c_iterFree(declarations);
return attributes;
}
static c_bool
walkProperty(
c_metaObject object,
c_metaWalkActionArg actionArg)
{
toolActionData actionData = (toolActionData)actionArg;
c_object o;
c_voidp addr;
o = c_iterObject(actionData->stack, 0);
if (c_baseObjectKind(object) == M_ATTRIBUTE) {
addr = C_DISPLACE(o, (c_address)c_property(object)->offset);
if (c_typeIsRef(c_property(object)->type)) {
addr = *(c_voidp *)addr;
if (c_baseObjectKind(c_property(object)->type) == M_COLLECTION) {
if (addr) {
if (c_iterContains(actionData->stack, addr)) {
printf("Ignore cyclic reference 0x"PA_ADDRFMT"\n",
(os_address)addr);
} else {
OBJECT_PUSH(actionData, addr);
iprintf("%s ",_METANAME(object));
printType(c_property(object)->type, actionData);
OBJECT_POP(actionData);
}
} else {
iprintf(" %s <0x"PA_ADDRFMT">", _METANAME(object), (os_address)addr);
}
} else {
iprintf(" %s <0x"PA_ADDRFMT">", _METANAME(object), (os_address)addr);
if (addr) {
/* Section for code to print additional type specific info. */
if (c_property(object)->type == v_topic_t) {
printf(" /* topic name is: %s */", v_topicName(addr));
}
if (c_property(object)->type == v_partition_t) {
printf(" /* Partition: %s */", v_partitionName(addr));
}
if (c_property(object)->type == c_type_t(c_getBase(object))) {
printf(" /* Type: %s */", _METANAME(c_type(addr)));
}
}
}
printf("\n");
} else {
OBJECT_PUSH(actionData, addr);
iprintf("%s ",_METANAME(object));
printType(c_property(object)->type, actionData);
printf("\n");
OBJECT_POP(actionData);
}
}
return TRUE;
}
static c_type
createInstanceType(
c_type messageType,
d_topicInfo topicInfo)
{
c_type instanceType, baseType, foundType;
c_metaObject o;
c_char *name;
c_long length,sres;
c_base base;
base = c_getBase(messageType);
baseType = c_resolve(base,"durabilityModule2::d_instanceTemplate");
assert(baseType != NULL);
instanceType = c_type(c_metaDefine(c_metaObject(base),M_CLASS));
c_class(instanceType)->extends = c_class(baseType);
foundType = createTopicKeyType(messageType, topicInfo->keyExpr);
if ( foundType != NULL) {
o = c_metaDeclare(c_metaObject(instanceType),"key",M_ATTRIBUTE);
c_property(o)->type = foundType;
c_free(o);
}
c_metaObject(instanceType)->definedIn = c_keep(base);
c_metaFinalize(c_metaObject(instanceType));
#define INSTANCE_NAME "d_instance<d_sample<>>"
#define INSTANCE_FORMAT "d_instance<d_sample<%s>>"
length = sizeof(INSTANCE_NAME) + strlen(topicInfo->name);
name = os_malloc(length);
sres = snprintf(name,length,INSTANCE_FORMAT,topicInfo->name);
assert(sres == (length-1));
#undef INSTANCE_NAME
#undef INSTANCE_FORMAT
foundType = c_type(c_metaBind(c_metaObject(base),
name,
c_metaObject(instanceType)));
os_free(name);
c_free(instanceType);
return foundType;
}
static c_type
createSampleType(
c_type messageType,
const c_char* topicName)
{
c_base base;
c_type sampleType, baseType, foundType, found;
c_metaObject o;
c_char *name;
c_long length,sres;
base = c_getBase(messageType);
baseType = c_resolve(base, "durabilityModule2::d_sample");
assert(baseType != NULL);
sampleType = c_type(c_metaDefine(c_metaObject(base),M_CLASS));
c_class(sampleType)->extends = c_class(baseType);
o = c_metaDefine(c_metaObject(sampleType),M_ATTRIBUTE);
c_property(o)->type = c_keep(messageType);
found = c_type(c_metaBind(c_metaObject(sampleType),"message",o));
c_free(o);
c_free(found);
c_metaObject(sampleType)->definedIn = c_keep(base);
c_metaFinalize(c_metaObject(sampleType));
#define SAMPLE_NAME "d_sample<>"
#define SAMPLE_FORMAT "d_sample<%s>"
/* Create a name and bind type to name */
/* The sizeof contains \0 */
length = sizeof(SAMPLE_NAME) + strlen(topicName);
name = os_malloc(length);
sres = snprintf(name,length,SAMPLE_FORMAT,topicName);
assert(sres == (length-1));
#undef SAMPLE_NAME
#undef SAMPLE_FORMAT
foundType = c_type(c_metaBind(c_metaObject(base),
name,
c_metaObject(sampleType)));
os_free(name);
c_free(sampleType);
return foundType;
}
void
createField(
v_entity entity,
c_voidp argument )
{
c_type type;
c_metaObject userData;
struct createFieldArg * arg = (struct createFieldArg *)argument;
type = c_resolve(c_getBase(entity), arg->typeName);
assert(type != NULL);
userData = c_metaResolve(c_metaObject(type), arg->fieldName);
c_free(type);
arg->fieldOffset = c_property(userData)->offset;
c_free(userData);
}
static c_type
messageTypeNew(
c_base base,
const c_char *typeName)
{
c_metaObject o;
c_type baseType,dataType,type, foundType;
c_char *name;
c_long length, sres;
if (base == NULL) {
return NULL;
}
dataType = c_resolve(base,typeName);
if (dataType == NULL) {
return NULL;
}
baseType = c_resolve(base, "kernelModule::v_message");
assert(baseType != NULL);
type = c_type(c_metaDefine(c_metaObject(base),M_CLASS));
c_class(type)->extends = c_keep(c_class(baseType));
o = c_metaDeclare(c_metaObject(type),
USERDATA_FIELD_NAME,
M_ATTRIBUTE);
c_property(o)->type = dataType;
c_free(o);
c_metaObject(type)->definedIn = c_keep(base);
c_metaFinalize(c_metaObject(type));
#define MESSAGE_FORMAT "v_message<%s>"
#define MESSAGE_NAME "v_message<>"
length = sizeof(MESSAGE_NAME) + strlen(typeName);
name = os_malloc(length);
sres = snprintf(name,length,MESSAGE_FORMAT,typeName);
assert(sres == (length-1));
#undef MESSAGE_FORMAT
#undef MESSAGE_NAME
foundType = c_type(c_metaBind(c_metaObject(base),name,c_metaObject(type)));
os_free(name);
c_free(type);
return foundType;
}
static void
getCopyInfo (
v_entity e,
c_voidp argument)
{
v_topic kt;
c_type sampleType;
c_property messageAttr;
_DataReader dataReader = (_DataReader)argument;
sampleType = v_dataReaderSampleType(v_dataReader(e));
kt = v_dataReaderGetTopic(v_dataReader(e));
dataReader->userdataOffset = v_topicDataOffset(kt);
c_free(kt);
messageAttr = c_property(c_metaResolve(c_metaObject(sampleType),"message"));
dataReader->messageOffset = messageAttr->offset;
c_free(messageAttr);
}
static c_bool
sd_deepwalkInterface(
c_metaObject object,
c_metaWalkActionArg actionArg)
{
sd_interfaceContext context = (sd_interfaceContext)actionArg;
c_property property;
c_object propertyData;
/* For now, we are interested in properties only */
assert(c_baseObject(object)->kind == M_ATTRIBUTE);
property = c_property(object);
propertyData = C_DISPLACE(*context->objectPtr, property->offset);
sd_deepwalkType(property->type, &propertyData,
context->action, context->actionArg);
return TRUE;
}
static void
copyInterfaceReferences(
c_interface m,
c_voidp dest,
c_voidp data)
{
c_long i,length;
c_property property;
c_type type;
c_object *ref;
if (m->references == NULL) {
return;
}
length = c_arraySize(m->references);
for (i=0;i<length;i++) {
property = c_property(m->references[i]);
type = c_typeActualType(property->type);
switch (c_baseObject(type)->kind) {
case M_CLASS:
case M_INTERFACE:
case M_COLLECTION:
case M_BASE:
ref = C_DISPLACE(dest,property->offset);
c_copyIn(type,C_REFGET(data,property->offset),ref);
break;
case M_EXCEPTION:
case M_STRUCTURE:
case M_UNION:
copyReferences(type,C_DISPLACE(dest,property->offset),
C_DISPLACE(data,property->offset));
break;
default:
assert(FALSE);
break;
}
}
}
static c_bool
c_deepwalkProperty(
c_metaObject object,
c_metaWalkActionArg actionArg)
{
c_interfaceContext context = (c_interfaceContext)actionArg;
c_property property;
c_type propertyType;
c_object propertyData;
/* For now, we are interested in properties only */
if (c_baseObject(object)->kind == M_ATTRIBUTE) {
property = c_property(object);
propertyType = c_typeActualType(property->type);
/* For now, skip attributes which are class-references */
propertyData = C_DISPLACE(*context->objectPtr,
(c_address)property->offset);
c_deepwalkType(propertyType, &propertyData,
context->action, context->actionArg);
}
return TRUE;
}
struct v_messageExtCdrInfo *
v_messageExtCdrInfoNew(
c_type topicMessageType,
const struct sd_cdrControl *control)
{
static const char headerTypeName[] = "kernelModule::v_messageExt";
c_base base = c_getBase (topicMessageType);
c_property userDataProperty = c_property(c_metaResolve(c_metaObject(topicMessageType),"userData"));
c_type topicDataType = userDataProperty->type;
c_type headerClass = c_resolve (base, headerTypeName);
c_type dataClass;
c_type type;
c_object o;
c_array members;
struct v_messageExtCdrInfo *xci;
struct c_type_s const *tstk[2];
c_free(userDataProperty);
/* Wrap user data in a class, so that we can make a struct with a pointer to it */
dataClass = c_type(c_metaDefine(c_metaObject(base), M_CLASS));
c_class(dataClass)->extends = NULL;
o = c_metaDeclare(c_metaObject(dataClass), "userData", M_ATTRIBUTE);
c_property(o)->type = c_keep(topicDataType);
c_metaObject(dataClass)->definedIn = c_keep(base);
c_metaFinalize(c_metaObject(dataClass));
c_free(o);
/* Make a struct containing two pointers, one to the v_messageExt class, and one to
the just-created anonymous dataClass type, corresponding to struct v_messageExtCdrTmp */
type = c_type(c_metaDefine(c_metaObject(base),M_STRUCTURE));
members = c_arrayNew(c_member_t(base),2);
members[0] = (c_voidp)c_metaDefine(c_metaObject(base),M_MEMBER);
c_specifier(members[0])->name = c_stringNew(base,"h");
c_specifier(members[0])->type = c_keep(headerClass);
members[1] = (c_voidp)c_metaDefine(c_metaObject(base),M_MEMBER);
c_specifier(members[1])->name = c_stringNew(base,"d");
c_specifier(members[1])->type = c_keep(dataClass);
c_structure(type)->members = members;
c_metaObject(type)->definedIn = c_keep(base);
c_metaFinalize(c_metaObject(type));
c_free(dataClass);
c_free(headerClass);
xci = os_malloc(sizeof(*xci));
xci->ci = sd_cdrInfoNewControl(type, control);
/* Note: current simplistic annotation processing requires the annotations
to be made in the order in which they are encountered when walking the
type */
tstk[0] = type;
tstk[1] = headerClass;
if (sd_cdrNoteQuietRef(xci->ci, 2, tstk) < 0) {
goto err_note;
}
tstk[1] = dataClass;
if (sd_cdrNoteQuietRef(xci->ci, 2, tstk) < 0) {
goto err_note;
}
if (sd_cdrCompile(xci->ci) < 0) {
goto err_compile;
}
xci->vmsgType = c_keep(topicMessageType);
c_free(type);
return xci;
err_compile:
err_note:
os_free(xci);
c_free(type);
return NULL;
}
c_field
c_fieldNew (
c_type type,
const c_char *fieldName)
{
c_array path;
c_field field;
c_metaObject o;
c_long n,length;
c_address offset;
c_iter nameList, refsList;
c_string name;
c_base base;
if ((fieldName == NULL) || (type == NULL)) {
OS_REPORT(OS_ERROR,
"c_fieldNew failed",0,
"illegal parameter");
return NULL;
}
base = c__getBase(type);
if (base == NULL) {
OS_REPORT(OS_ERROR,
"c_fieldNew failed",0,
"failed to retreive base");
return NULL;
}
nameList = c_splitString(fieldName,".");
length = c_iterLength(nameList);
field = NULL;
if (length > 0) {
o = NULL;
offset = 0;
refsList = NULL;
path = c_newArray(c_fieldPath_t(base),length);
if (path) {
for (n=0;n<length;n++) {
name = c_iterTakeFirst(nameList);
o = c_metaResolve(c_metaObject(type),name);
os_free(name);
if (o == NULL) {
c_iterWalk(nameList,(c_iterWalkAction)os_free,NULL);
c_iterFree(nameList);
c_iterFree(refsList);
c_free(path);
return NULL;
}
path[n] = o;
switch (c_baseObject(o)->kind) {
case M_ATTRIBUTE:
case M_RELATION:
type = c_property(o)->type;
offset += c_property(o)->offset;
break;
case M_MEMBER:
type = c_specifier(o)->type;
offset += c_member(o)->offset;
break;
default:
c_iterWalk(nameList,(c_iterWalkAction)os_free,NULL);
c_iterFree(nameList);
c_iterFree(refsList);
c_free(path);
return NULL;
}
switch (c_baseObject(type)->kind) {
case M_INTERFACE:
case M_CLASS:
case M_COLLECTION:
/*Longs are inserted in an iterator? Explanation please...*/
refsList = c_iterInsert(refsList,(c_voidp)offset);
offset = 0;
break;
default:
break;
}
}
if (offset > 0) {
refsList = c_iterInsert(refsList,(c_voidp)offset);
}
field = c_new(c_field_t(base));
field->name = c_stringNew(base,fieldName);
field->path = path;
field->type = c_keep(type);
field->kind = c_metaValueKind(o);
field->refs = NULL;
if (refsList) {
length = c_iterLength(refsList);
field->offset = 0;
if (length > 0) {
field->refs = c_newArray(c_fieldRefs_t(base),length);
if (field->refs) {
for (n=(length-1);n>=0;n--) {
field->refs[n] = c_iterTakeFirst(refsList);
}
} else {
OS_REPORT(OS_ERROR,
"c_fieldNew failed",0,
"failed to allocate field->refs array");
c_free(field);
field = NULL;
}
}
c_iterFree(refsList);
} else {
field->offset = offset;
}
} else {
OS_REPORT(OS_ERROR,
"c_fieldNew failed",0,
"failed to allocate field->path array");
c_iterWalk(nameList,(c_iterWalkAction)os_free,NULL);
c_iterFree(nameList);
}
c_iterFree(nameList);
} else {
OS_REPORT_1(OS_ERROR,
"c_fieldNew failed",0,
"failed to process field name <%s>",
fieldName);
}
return field;
}
static c_bool
c__cloneReferences (
c_type type,
c_voidp data,
c_voidp dest)
{
c_type refType;
c_class cls;
c_array references, labels, ar, destar;
c_sequence seq, destseq;
c_property property;
c_member member;
c_long i,j,length,size;
c_long nrOfRefs,nrOfLabs;
c_value v;
switch (c_baseObject(type)->kind) {
case M_CLASS:
cls = c_class(type);
while (cls) {
length = c_arraySize(c_interface(cls)->references);
for (i=0;i<length;i++) {
property = c_property(c_interface(cls)->references[i]);
refType = property->type;
_cloneReference(refType,
C_DISPLACE(data, property->offset),
C_DISPLACE(dest, property->offset));
}
cls = cls->extends;
}
break;
case M_INTERFACE:
length = c_arraySize(c_interface(type)->references);
for (i=0;i<length;i++) {
property = c_property(c_interface(type)->references[i]);
refType = property->type;
_cloneReference(refType,
C_DISPLACE(data, property->offset),
C_DISPLACE(dest, property->offset));
}
break;
case M_EXCEPTION:
case M_STRUCTURE:
length = c_arraySize(c_structure(type)->references);
for (i=0;i<length;i++) {
member = c_member(c_structure(type)->references[i]);
refType = c_specifier(member)->type;
_cloneReference(refType,
C_DISPLACE(data, member->offset),
C_DISPLACE(dest, member->offset));
}
break;
case M_UNION:
#define _CASE_(k,t) case k: v = t##Value(*((t *)data)); break
switch (c_metaValueKind(c_metaObject(c_union(type)->switchType))) {
_CASE_(V_BOOLEAN, c_bool);
_CASE_(V_OCTET, c_octet);
_CASE_(V_SHORT, c_short);
_CASE_(V_LONG, c_long);
_CASE_(V_LONGLONG, c_longlong);
_CASE_(V_USHORT, c_ushort);
_CASE_(V_ULONG, c_ulong);
_CASE_(V_ULONGLONG, c_ulonglong);
_CASE_(V_CHAR, c_char);
_CASE_(V_WCHAR, c_wchar);
default:
OS_REPORT(OS_ERROR,
"c__cloneReferences",0,
"illegal union switch type detected");
assert(FALSE);
return FALSE;
break;
}
#undef _CASE_
references = c_union(type)->references;
if (references != NULL) {
i=0; refType=NULL;
nrOfRefs = c_arraySize(references);
while ((i<nrOfRefs) && (refType == NULL)) {
labels = c_unionCase(references[i])->labels;
j=0;
nrOfLabs = c_arraySize(labels);
while ((j<nrOfLabs) && (refType == NULL)) {
if (c_valueCompare(v,c_literal(labels[j])->value) == C_EQ) {
c__cloneReferences(c_type(references[i]),
C_DISPLACE(data, c_type(type)->alignment),
C_DISPLACE(dest, c_type(type)->alignment));
refType = c_specifier(references[i])->type;
}
j++;
}
i++;
}
}
break;
case M_COLLECTION:
refType = c_typeActualType(c_collectionType(type)->subType);
switch (c_collectionType(type)->kind) {
case C_ARRAY:
ar = c_array(data);
destar = c_array(dest);
length = c_collectionType(type)->maxSize;
if (length == 0) {
length = c_arraySize(ar);
}
if (c_typeIsRef(refType)) {
for (i=0;i<length;i++) {
c_cloneIn(refType, ar[i], &destar[i]);
}
} else {
if (c_typeHasRef(refType)) {
size = refType->size;
for (i=0;i<length;i++) {
_cloneReference(refType, C_DISPLACE(data, (i*size)), C_DISPLACE(dest, (i*size)));
}
}
}
break;
case C_SEQUENCE:
seq = c_sequence(data);
destseq = c_sequence(dest);
length = c_sequenceSize(seq);
if (c_typeIsRef(refType)) {
for (i=0;i<length;i++) {
c_cloneIn(refType, seq[i], &destseq[i]);
}
} else {
if (c_typeHasRef(refType)) {
size = refType->size;
for (i=0;i<length;i++) {
_cloneReference(refType, C_DISPLACE(seq, (i*size)), C_DISPLACE(dest, (i*size)));
}
}
}
break;
default:
OS_REPORT(OS_ERROR,
"c__cloneReferences",0,
"illegal collectionType found");
break;
}
break;
case M_BASE:
break;
case M_TYPEDEF:
c__cloneReferences(c_type(c_typeDef(type)->alias), data, dest);
break;
case M_ATTRIBUTE:
case M_RELATION:
refType = c_typeActualType(c_property(type)->type);
_cloneReference(refType,
C_DISPLACE(data, c_property(type)->offset),
C_DISPLACE(dest, c_property(type)->offset));
break;
case M_MEMBER:
refType = c_typeActualType(c_specifier(type)->type);
_cloneReference(refType,
C_DISPLACE(data, c_member(type)->offset),
C_DISPLACE(dest, c_member(type)->offset));
break;
case M_UNIONCASE:
refType = c_typeActualType(c_specifier(type)->type);
_cloneReference(refType, data, dest);
break;
case M_MODULE:
/* Do nothing */
break;
case M_PRIMITIVE:
/* Do nothing */
break;
case M_EXTENT:
case M_EXTENTSYNC:
default:
OS_REPORT(OS_ERROR,
"c__cloneReferences",0,
"illegal meta object specified");
assert(FALSE);
return FALSE;
}
return TRUE;
}
static c_type
createInstanceType (
v_topic topic,
c_char *keyExpr,
c_array *keyListRef)
{
c_metaObject o;
c_type instanceType, baseType, foundType;
c_type sampleType, keyType, keyInstanceType;
c_base base;
c_char *name;
os_size_t length;
int sres;
assert(C_TYPECHECK(topic,v_topic));
foundType = NULL;
if (keyExpr) {
keyType = v_topicKeyTypeCreate(topic,keyExpr,keyListRef);
} else {
keyExpr = v_topicKeyExpr(topic);
keyType = v_topicKeyType(topic);
*keyListRef = c_keep(v_topicMessageKeyList(topic));
}
sampleType = sampleTypeNew(topic);
if (sampleType) {
base = c_getBase(topic);
baseType = v_dataReaderInstance_t(base);
instanceType = c_type(c_metaDefine(c_metaObject(base),M_CLASS));
if (instanceType != NULL) {
c_class(instanceType)->extends = c_keep(c_class(baseType));
o = c_metaDeclare(c_metaObject(instanceType),
"sample",M_ATTRIBUTE);
c_property(o)->type = c_keep(sampleType);
c_free(o);
o = c_metaDeclare(c_metaObject(instanceType),
"oldest",M_ATTRIBUTE);
c_property(o)->type = (c_type)c_metaResolveType(c_metaObject(base),
"c_voidp");
assert(c_property(o)->type);
c_free(o);
c_metaFinalize(c_metaObject(instanceType));
#define INSTANCE_NAME "v_indexInstance<v_indexSample<>>"
#define INSTANCE_FORMAT "v_indexInstance<v_indexSample<%s>>"
/* The sizeof contains \0 */
length = sizeof(INSTANCE_NAME) + strlen(v_topicName(topic));
name = os_alloca(length);
sres = snprintf(name,length,INSTANCE_FORMAT,v_topicName(topic));
assert(sres >= 0 && (os_size_t) sres == (length-1));
OS_UNUSED_ARG(sres);
#undef INSTANCE_NAME
#undef INSTANCE_FORMAT
foundType = c_type(c_metaBind(c_metaObject(base),
name,
c_metaObject(instanceType)));
if (foundType == NULL) {
OS_REPORT(OS_ERROR,
"v_index::createInstanceType",V_RESULT_INTERNAL_ERROR,
"Could not create instance type");
}
os_freea(name);
if (keyType != NULL) {
keyInstanceType = c_type(c_metaDefine(c_metaObject(base),M_CLASS));
if (keyInstanceType) {
c_class(keyInstanceType)->extends = c_keep(c_class(instanceType));
o = c_metaDeclare(c_metaObject(keyInstanceType),
"key",M_ATTRIBUTE);
c_property(o)->type = c_keep(keyType);
c_free(o);
c_metaFinalize(c_metaObject(keyInstanceType));
#define INSTANCE_NAME "v_indexKeyInstance<v_indexSample<>,>"
#define INSTANCE_FORMAT "v_indexKeyInstance<v_indexSample<%s>,%s>"
/* The sizeof contains \0 */
length = sizeof(INSTANCE_NAME) +
strlen(v_topicName(topic)) +
strlen(keyExpr);
name = os_alloca(length);
sres = snprintf(name,
length,
INSTANCE_FORMAT,
v_topicName(topic),
keyExpr);
assert(sres >= 0 && (os_size_t) sres == (length-1));
OS_UNUSED_ARG(sres);
#undef INSTANCE_NAME
#undef INSTANCE_FORMAT
c_free(foundType); /* Will be overwritten, so free */
foundType = c_type(c_metaBind(c_metaObject(base),
name,
c_metaObject(keyInstanceType)));
if (foundType == NULL) {
OS_REPORT(OS_ERROR,
"v_index::createInstanceType",V_RESULT_INTERNAL_ERROR,
"Could not create key instance type");
}
os_freea(name);
c_free(keyInstanceType);
}
c_free(keyType);
}
c_free(instanceType);
c_free(baseType);
} else {
foundType = baseType; /* transfer refCount to caller */
}
c_free(sampleType);
}
return foundType;
}
void
v_indexInit(
v_index index,
c_type instanceType,
c_array keyList,
v_reader reader)
{
c_property keyProperty;
c_structure keyStructure;
c_char fieldName[16];
c_char *keyExpr;
c_size i,nrOfKeys,totalSize;
assert(index != NULL);
assert(C_TYPECHECK(index,v_index));
assert(C_TYPECHECK(instanceType,c_type));
keyProperty = c_property(c_metaResolve(c_metaObject(instanceType),"key"));
if (keyProperty) {
keyStructure = c_structure(keyProperty->type);
nrOfKeys = c_arraySize(keyStructure->members);
c_free(keyProperty);
} else {
nrOfKeys = 0;
}
if (nrOfKeys>0) {
totalSize = nrOfKeys * strlen("key.field0,");
if (nrOfKeys > 9) {
/* For each key number greater than one digit
* i.e. number of keys > 9 add one additional
* character space to the total size.
*/
totalSize += (nrOfKeys-9);
if (nrOfKeys > 99) {
/* For each key number greater than two digits
* i.e. number of keys > 99 add one additional
* character space to the total size.
*/
totalSize += (nrOfKeys-99);
}
}
keyExpr = (char *)os_alloca(totalSize);
keyExpr[0] = 0;
for (i=0;i<nrOfKeys;i++) {
os_sprintf(fieldName,"key.field%d",i);
os_strcat(keyExpr,fieldName);
if (i<(nrOfKeys-1)) { os_strcat(keyExpr,","); }
}
} else {
keyExpr = NULL;
}
index->reader = reader;
index->sourceKeyList = createKeyList(instanceType, keyList);
index->messageKeyList = c_keep(keyList); /* keyList is either topic->messageKeyList or a user-defined keylist */
index->objects = c_tableNew(instanceType,keyExpr);
index->notEmptyList = c_tableNew(instanceType,keyExpr);
if(keyExpr){
os_freea(keyExpr);
}
index->objectType = c_keep(instanceType);
}
static c_type
sampleTypeNew(
v_topic topic)
{
c_metaObject o;
c_type msgType,sampleType,foundType;
c_base base;
c_char *name;
os_size_t length;
int sres;
assert(C_TYPECHECK(topic,v_topic));
assert(topic);
name = NULL;
foundType = NULL;
if (v_topicName(topic) == NULL) {
OS_REPORT(OS_ERROR,
"v_index::sampleTypeNew failed",V_RESULT_ILL_PARAM,
"failed to retreive topic name");
return NULL;
}
base = c_getBase(topic);
if (base == NULL) {
OS_REPORT(OS_ERROR,
"v_index::sampleTypeNew failed",V_RESULT_ILL_PARAM,
"failed to retreive base");
return NULL;
}
msgType = c_keep(v_topicMessageType(topic));
if (msgType == NULL) {
OS_REPORT(OS_ERROR,
"v_index::sampleTypeNew failed",V_RESULT_ILL_PARAM,
"failed to retreive topic message type");
return NULL;
}
sampleType = c_type(c_metaDefine(c_metaObject(base),M_CLASS));
if (sampleType) {
c_class(sampleType)->extends = v_dataReaderSample_t(base);
o = c_metaDeclare(c_metaObject(sampleType),"message",M_ATTRIBUTE);
if (o) {
c_property(o)->type = c_keep(msgType);
c_metaObject(sampleType)->definedIn = c_keep(base);
c_metaFinalize(c_metaObject(sampleType));
#define SAMPLE_FORMAT "v_indexSample<%s>"
#define SAMPLE_NAME "v_indexSample<>"
/* sizeof contains \0 */
length = sizeof(SAMPLE_NAME) + strlen(v_topicName(topic));
name = os_malloc(length);
sres = snprintf(name,length,SAMPLE_FORMAT,v_topicName(topic));
assert(sres >= 0 && (os_size_t) sres == (length-1));
OS_UNUSED_ARG(sres);
#undef SAMPLE_FORMAT
#undef SAMPLE_NAME
foundType = c_type(c_metaBind(c_metaObject(base),
name,
c_metaObject(sampleType)));
c_free(o);
} else {
foundType = NULL;
}
c_free(sampleType);
} else {
OS_REPORT(OS_ERROR,
"v_index::sampleTypeNew failed",V_RESULT_ILL_PARAM,
"failed to retreive topic sample type");
}
os_free(name);
c_free(msgType);
return foundType;
}
