void v_groupStreamConnectNewGroups( v_groupStream stream, v_group group) { struct groupConnected data; assert(stream != NULL); assert(C_TYPECHECK(stream,v_groupStream)); v_observerLock(v_observer(stream)); /* * This means the group is interesting for this * groupActionStream. Now I have to check if the stream is already * connected to this group, because we wouldn't want to connect * multiple times to one single group. */ data.connected = FALSE; data.group = group; c_walk(stream->groups, (c_action)isGroupConnected, &data); if(data.connected == FALSE){ /* * The stream is not connected to the group yet, so connect now. */ v_groupStreamSubscribeGroup(stream, group); } v_observerUnlock(v_observer(stream)); if(data.connected == FALSE){ v_groupStreamHistoricalData(group, stream); } return; }
void cmx_readerSnapshotNewAction( v_entity e, c_voidp args) { v_dataReader reader; c_iter instances; v_dataReaderInstance instance; v_dataReaderSample sample, prev; v_query query; c_bool release; sd_serializer ser; sd_serializedData data; struct cmx_readerSnapshotArg* arg; release = FALSE; arg = (struct cmx_readerSnapshotArg*)args; reader = NULL; instances = NULL; ser = NULL; switch(v_object(e)->kind){ case K_DATAREADER: reader = v_dataReader(e); arg->success = TRUE; arg->snapshot = cmx_readerSnapshot(os_malloc(C_SIZEOF(cmx_readerSnapshot))); v_observerLock(v_observer(reader)); if(reader->index->objects){ instances = c_select(reader->index->notEmptyList, 0); } break; case K_QUERY: case K_DATAREADERQUERY: query = v_query(e); reader = v_dataReader(v_querySource(query)); if(reader != NULL){ release = TRUE; arg->success = TRUE; arg->snapshot = cmx_readerSnapshot(os_malloc(C_SIZEOF(cmx_readerSnapshot))); v_observerLock(v_observer(reader)); switch(v_object(query)->kind){ case K_DATAREADERQUERY: if(v_dataReaderQuery(query)->instanceQ){ instances = c_select((c_collection)(v_dataReaderQuery(query)->instanceQ), 0); } break; default: OS_REPORT_1(OS_ERROR, CM_XML_CONTEXT, 0, "cmx_readerSnapshotNewAction unknown kind (%d).", v_object(query)->kind); break; } } break; default: break; } if(arg->success == TRUE){ arg->snapshot->samples = c_iterNew(NULL); } if(instances != NULL){ instance = v_dataReaderInstance(c_iterTakeFirst(instances)); while(instance != NULL){ sample = c_keep(v_dataReaderInstanceHead(instance)); if(sample != NULL){ prev = sample->prev; sample->prev = NULL; if(ser == NULL){ ser = sd_serializerXMLNewTyped(c_getType(c_object(sample))); } data = sd_serializerSerialize(ser, c_object(sample)); arg->snapshot->samples = c_iterInsert(arg->snapshot->samples, sd_serializerToString(ser, data)); sd_serializedDataFree(data); sample->prev = prev; c_free(sample); } c_free(instance); instance = v_dataReaderInstance(c_iterTakeFirst(instances)); } c_iterFree(instances); } if(reader != NULL){ v_observerUnlock(v_observer(reader)); if(release == TRUE){ c_free(reader); } } if(ser != NULL){ sd_serializerFree(ser); } }
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); } }
void v_groupStreamNotify( v_groupStream stream, v_event e, c_voidp userData) { struct groupConnected data; c_iter partitions; c_bool interested; v_partition partition, found; OS_UNUSED_ARG(userData); assert(stream != NULL); assert(C_TYPECHECK(stream,v_groupStream)); if (e) { if (e->kind == V_EVENT_NEW_GROUP) { v_observerLock(v_observer(stream)); /* * Check if group fits interest. This extra steps are needed because * the groupActionStream does not create the groups that match the * subscriber qos partition expression on creation. It only needs to * connect to new groups once they are created. This is a different * approach then for a data reader. */ partition = v_group(e->userData)->partition; /* * Because already existing partitions are created and added to the * subscriber of the groupActionStream at creation time, these * partitions can be resolved from the subscriber. This is necessary to * determine whether the groupActionStream should connect to the new * group or if it is already connected. */ partitions = v_subscriberLookupPartitions(v_reader(stream)->subscriber, v_partitionName(partition)); interested = FALSE; found = v_partition(c_iterTakeFirst(partitions)); while(found){ if(interested == FALSE){ if(strcmp(v_partitionName(partition), v_partitionName(found)) == 0){ interested = TRUE; } } c_free(found); found = v_partition(c_iterTakeFirst(partitions)); } c_iterFree(partitions); if(interested == TRUE){ /* * This means the group is interesting for this * groupActionStream. Now I have to check if the stream is already * connected to this group, because we wouldn't want to connect * multiple times to one single group. */ data.connected = FALSE; data.group = v_group(e->userData); c_walk(stream->groups, (c_action)isGroupConnected, &data); if(data.connected == FALSE){ /* * The stream is not connected to the group yet, so connect now. */ v_groupStreamSubscribeGroup(stream, v_group(e->userData)); } } v_observerUnlock(v_observer(stream)); } } return; }
void cmx_readerSnapshotNewAction( v_public p, c_voidp args) { v_dataReader reader; c_iter instances; v_dataReaderInstance instance; v_dataReaderSample sample; v_query query; c_bool release; sd_serializer ser; sd_serializedData data; struct cmx_readerSnapshotArg* arg; release = FALSE; arg = (struct cmx_readerSnapshotArg*)args; reader = NULL; instances = NULL; ser = NULL; switch(v_object(p)->kind){ case K_DATAREADER: reader = v_dataReader(p); arg->success = TRUE; arg->snapshot = cmx_readerSnapshot(os_malloc(C_SIZEOF(cmx_readerSnapshot))); v_observerLock(v_observer(reader)); if(reader->index->objects){ instances = ospl_c_select(reader->index->notEmptyList, 0); } break; case K_QUERY: case K_DATAREADERQUERY: query = v_query(p); reader = v_dataReader(v_querySource(query)); if(reader != NULL){ release = TRUE; arg->success = TRUE; arg->snapshot = cmx_readerSnapshot(os_malloc(C_SIZEOF(cmx_readerSnapshot))); v_observerLock(v_observer(reader)); switch(v_object(query)->kind){ case K_DATAREADERQUERY: if(v_dataReaderQuery(query)->instanceQ){ instances = ospl_c_select((c_collection)(v_dataReaderQuery(query)->instanceQ), 0); } break; default: OS_REPORT(OS_ERROR, CM_XML_CONTEXT, 0, "cmx_readerSnapshotNewAction unknown kind (%d).", v_object(query)->kind); break; } } break; default: break; } if(arg->success == TRUE){ arg->snapshot->samples = c_iterNew(NULL); } if(instances != NULL){ v_dataReaderSample sampleShallowCopy = NULL; instance = v_dataReaderInstance(c_iterTakeFirst(instances)); while(instance != NULL){ v_state ivState = instance->_parent._parent.state & (L_DISPOSED | L_NOWRITERS | L_NEW); sample = v_dataReaderInstanceOldest(instance); if (sample != NULL) { do { v_state state = ivState | ((sample->_parent.sampleState & (L_READ | L_LAZYREAD)) ? L_READ : 0); if (sampleShallowCopy == NULL) { sampleShallowCopy = c_new(c_getType(c_object(sample))); } memcpy(sampleShallowCopy, sample, c_typeSize(c_getType(sampleShallowCopy))); sampleShallowCopy->newer = NULL; sampleShallowCopy->_parent.sampleState &= ~(L_DISPOSED | L_NOWRITERS | L_NEW | L_READ | L_LAZYREAD); sampleShallowCopy->_parent.sampleState |= state; if(ser == NULL){ ser = sd_serializerXMLNewTyped(c_getType(c_object(sampleShallowCopy))); } data = sd_serializerSerialize(ser, c_object(sampleShallowCopy)); arg->snapshot->samples = c_iterInsert(arg->snapshot->samples, sd_serializerToString(ser, data)); sd_serializedDataFree(data); sample = sample->newer; } while (sample != NULL); } c_free(instance); instance = v_dataReaderInstance(c_iterTakeFirst(instances)); } c_iterFree(instances); if (sampleShallowCopy != NULL) { memset(sampleShallowCopy, 0, c_typeSize(c_getType(sampleShallowCopy))); c_free(sampleShallowCopy); } } if(reader != NULL){ v_observerUnlock(v_observer(reader)); if(release == TRUE){ c_free(reader); } } if(ser != NULL){ sd_serializerFree(ser); } }