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; }