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);
}
u_instanceHandle
u_instanceHandleFix(
u_instanceHandle _this,
v_collection reader)
{
u_instanceHandleTranslator translator;
struct v_publicationInfo *data;
v_topic topic;
v_message message;
v_public instance;
translator.handle = _this;
if (translator.lid.lifecycleId & HANDLE_GLOBAL_MASK) {
/* Is a GID therefore fix handle by lookup. */
while (v_objectKind(v_entity(reader)) == K_QUERY ||
v_objectKind(v_entity(reader)) == K_DATAREADERQUERY ||
v_objectKind(v_entity(reader)) == K_DATAVIEWQUERY) {
/* If the entity derives from a query entity it can be cast to a v_query */
reader = v_querySource(v_query(reader));
}
while (v_objectKind(v_entity(reader)) == K_DATAVIEW) {
reader = v_collection(v_dataViewGetReader(v_dataView(reader)));
}
topic = v_dataReaderGetTopic(v_dataReader(reader));
message = v_topicMessageNew(topic);
data = (c_voidp)C_DISPLACE(message, v_topicDataOffset(topic));
data->key = u_instanceHandleToGID(_this);
instance = (v_public)v_dataReaderLookupInstance(v_dataReader(reader),
message);
translator.handle = u_instanceHandleNew(instance);
c_free(instance);
c_free(topic);
c_free(message);
}
return translator.handle;
}
void
cmx_readerDataTypeAction(
v_entity entity,
c_voidp args)
{
sd_serializer ser;
sd_serializedData data;
c_type type;
v_dataReader r;
v_query query;
v_topic topic;
struct cmx_readerArg *arg;
arg = (struct cmx_readerArg *)args;
type = NULL;
switch(v_object(entity)->kind){
case K_DATAREADER:
r = v_dataReader(entity);
v_observerLock(v_observer(r));
topic = v_dataReaderGetTopic(r);
type = v_topicDataType(topic);
c_free(topic);
v_observerUnlock(v_observer(r));
break;
case K_DATAREADERQUERY:
query = v_query(entity);
r = v_dataReader(v_querySource(query));
v_observerLock(v_observer(r));
topic = v_dataReaderGetTopic(r);
type = v_topicDataType(topic);
c_free(topic);
v_observerUnlock(v_observer(r));
c_free(r);
break;
case K_NETWORKREADER:
OS_REPORT(OS_ERROR, CM_XML_CONTEXT, 0,
"Resolving data type of networkReader unsupported.\n");
assert(FALSE);
break;
case K_GROUPQUEUE:
OS_REPORT(OS_ERROR, CM_XML_CONTEXT, 0,
"Resolving data type of groupQueue unsupported.\n");
assert(FALSE);
break;
default:
OS_REPORT(OS_ERROR, CM_XML_CONTEXT, 0,
"Trying to resolve dataType of unknown reader type.\n");
assert(FALSE);
break;
}
if(type != NULL){
ser = sd_serializerXMLMetadataNew(c_getBase(type));
data = sd_serializerSerialize(ser, type);
arg->result = sd_serializerToString(ser, data);
sd_serializedDataFree(data);
sd_serializerFree(ser);
}
}
d_readerRequest
d_readerRequestNew(
d_admin admin,
v_handle source,
c_char* filter,
c_char** filterParams,
c_long filterParamsCount,
struct v_resourcePolicy resourceLimits,
c_time minSourceTimestamp,
c_time maxSourceTimestamp)
{
d_readerRequest request;
c_long i;
v_handleResult handleResult;
v_reader vreader, *vreaderPtr;
c_iter partitions;
v_partition partition;
v_topic topic;
d_group dgroup;
c_char *topicName;
d_quality quality;
request = d_readerRequest(os_malloc(C_SIZEOF(d_readerRequest)));
if(request){
d_lockInit(d_lock(request), D_READER_REQUEST, d_readerRequestDeinit);
request->admin = admin;
request->readerHandle.index = source.index;
request->readerHandle.serial = source.serial;
request->readerHandle.server = source.server;
request->requests = d_tableNew(d_chainCompare, d_chainFree);
if(filter){
request->filter = os_strdup(filter);
} else {
request->filter = NULL;
}
request->resourceLimits = resourceLimits;
request->minSourceTimestamp = minSourceTimestamp;
request->maxSourceTimestamp = maxSourceTimestamp;
request->filterParamsCount = filterParamsCount;
if(filterParamsCount > 0){
request->filterParams = (c_char**)(os_malloc(
filterParamsCount*sizeof(c_char*)));
for(i=0; i<filterParamsCount; i++){
request->filterParams[i] = os_strdup(filterParams[i]);
}
} else {
request->filterParams = NULL;
}
request->groups = d_tableNew(d_groupCompare, d_groupFree);
handleResult = v_handleClaim(source, (v_object*)(vreaderPtr = &vreader));
if(handleResult == V_HANDLE_OK){
if(v_object(vreader)->kind == K_DATAREADER){
topic = v_dataReaderGetTopic(v_dataReader(vreader));
topicName = v_entity(topic)->name;
partitions = ospl_c_select(v_subscriber(vreader->subscriber)->partitions->partitions, 0);
partition = v_partition(c_iterTakeFirst(partitions));
while(partition){
quality.seconds = 0;
quality.nanoseconds = 0;
dgroup = d_groupNew(
v_entity(partition)->name, topicName,
topic->qos->durability.kind,
D_GROUP_KNOWLEDGE_UNDEFINED,
quality);
d_tableInsert(request->groups, dgroup);
c_free(partition);
partition = v_partition(c_iterTakeFirst(partitions));
}
c_free(topic);
} else {
d_readerRequestFree(request);
request = NULL;
}
v_handleRelease(source);
} else {
d_readerRequestFree(request);
request = NULL;
}
}
return request;
}
