v_actionResult
cmx_readerReadCopy(
c_object o,
c_voidp args)
{
sd_serializer ser;
sd_serializedData data;
v_dataReaderSample sample, newer;
struct cmx_readerArg *arg;
v_actionResult result;
result = 0;
if(o != NULL){
sample = v_dataReaderSample(o);
if(v_stateTest(v_readerSampleState(sample), L_READ)){
v_actionResultSet(result, V_PROCEED);
} else {
sample = v_dataReaderSample(o);
newer = sample->newer;
sample->newer = NULL;
arg = (struct cmx_readerArg *)args;
ser = sd_serializerXMLNewTyped(c_getType(o));
data = sd_serializerSerialize(ser, o);
arg->result = sd_serializerToString(ser, data);
sd_serializedDataFree(data);
sd_serializerFree(ser);
sample->newer = newer;
}
}
return result;
}
v_actionResult
cmx_readerCopy(
c_object o,
c_voidp args)
{
sd_serializer ser;
sd_serializedData data;
struct cmx_readerArg *arg;
v_dataReaderSample sample, older;
v_actionResult result = 0;
v_lifespanSample next;
arg = (struct cmx_readerArg *)args;
if(o != NULL){
sample = v_dataReaderSample(o);
older = sample->older;
next = sample->_parent._parent.next;
sample->older = NULL;
sample->_parent._parent.next = NULL;
ser = sd_serializerXMLNewTyped(c_getType(o));
data = sd_serializerSerialize(ser, o);
arg->result = sd_serializerToString(ser, data);
sd_serializedDataFree(data);
sd_serializerFree(ser);
sample->older = older;
sample->_parent._parent.next = next;
}
return result;
}
jni_writer
jni_writerNew(
jni_publisher pub,
jni_topic top,
v_writerQos qos)
{
jni_writer wri;
u_writer uw;
u_result ur;
struct jni_writerTypeArg arg;
wri = NULL;
if((pub != NULL) && (top != NULL)){
ur = u_entityAction(u_entity(top->utopic), jni_writerTypeAction, &arg);
if ((ur == U_RESULT_OK) && (arg.type != NULL)){
uw = u_writerNew(pub->upublisher, NULL, top->utopic, jni_writerCopy, qos, TRUE);
if(uw != NULL){
wri = jni_writer(os_malloc((size_t)(C_SIZEOF(jni_writer))));
wri->publisher = pub;
wri->topic = top;
wri->uwriter = uw;
wri->deserializer = sd_serializerXMLNewTyped(arg.type);
}
}
}
return wri;
}
c_bool
cmx_readerReadCopy(
c_object o,
c_voidp args)
{
sd_serializer ser;
sd_serializedData data;
v_dataReaderSample sample, prev;
struct cmx_readerArg *arg;
c_bool result;
result = FALSE;
if(o != NULL){
sample = v_dataReaderSample(o);
if(v_stateTest(v_readerSampleState(sample), L_READ)){
result = TRUE;
} else {
sample = v_dataReaderSample(o);
prev = sample->prev;
sample->prev = NULL;
arg = (struct cmx_readerArg *)args;
ser = sd_serializerXMLNewTyped(c_getType(o));
data = sd_serializerSerialize(ser, o);
arg->result = sd_serializerToString(ser, data);
sd_serializedDataFree(data);
sd_serializerFree(ser);
sample->prev = prev;
}
}
return result;
}
c_bool
cmx_readerCopy(
c_object o,
c_voidp args)
{
sd_serializer ser;
sd_serializedData data;
struct cmx_readerArg *arg;
v_dataReaderSample sample, prev;
arg = (struct cmx_readerArg *)args;
if(o != NULL){
sample = v_dataReaderSample(o);
prev = sample->prev;
sample->prev = NULL;
ser = sd_serializerXMLNewTyped(c_getType(o));
data = sd_serializerSerialize(ser, o);
arg->result = sd_serializerToString(ser, data);
sd_serializedDataFree(data);
sd_serializerFree(ser);
sample->prev = prev;
}
return FALSE;
}
void
cmx_writerUnregisterCopy(
v_entity entity,
c_voidp args)
{
v_writer kw;
v_message message;
void *to;
sd_serializer ser;
sd_serializedData data;
sd_validationResult valResult;
struct cmx_writerArg *arg;
arg = (struct cmx_writerArg *)args;
kw = v_writer(entity);
message = v_topicMessageNew(kw->topic);
to = C_DISPLACE(message,v_topicDataOffset(kw->topic));
ser = sd_serializerXMLNewTyped(v_topicDataType(kw->topic));
data = sd_serializerFromString(ser, arg->result);
sd_serializerDeserializeIntoValidated(ser, data, to);
valResult = sd_serializerLastValidationResult(ser);
if(valResult != SD_VAL_SUCCESS){
OS_REPORT_2(OS_ERROR, CM_XML_CONTEXT, 0,
"Unregister of userdata failed.\nReason: %s\nError: %s\n",
sd_serializerLastValidationMessage(ser),
sd_serializerLastValidationLocation(ser));
arg->success = CMX_RESULT_FAILED;
} else {
arg->success = CMX_RESULT_OK;
}
sd_serializedDataFree(data);
sd_serializerFree(ser);
/* Note that the last param of v_writerWriteDispose is NULL,
performance can be improved if the instance is provided. */
v_writerUnregister(kw,message,v_timeGet(),NULL);
c_free(message);
}
c_bool
cmx_writerHistoryCopy(
c_object sample,
c_voidp args)
{
struct cmx_writerSnapshotArg* arg;
sd_serializedData data;
c_char* xml;
arg = (struct cmx_writerSnapshotArg*)args;
if(arg->serializer == NULL){
arg->serializer = sd_serializerXMLNewTyped(c_getType(sample));
}
data = sd_serializerSerialize(arg->serializer, sample);
xml = sd_serializerToString(arg->serializer, data);
arg->snapshot->samples = c_iterInsert(arg->snapshot->samples, xml);
sd_serializedDataFree(data);
return TRUE;
}
jni_writer
jni_writerNew(
jni_publisher pub,
jni_topic top,
v_writerQos qos)
{
jni_writer wri;
u_result ur;
struct jni_writerTypeArg arg;
if((pub == NULL) || (top == NULL)){
OS_REPORT_2(OS_ERROR, "jni_writerNew", 0,
"Bad parameter; jni_publisher (%p) and jni_topic (%p) may not be NULL.",
pub,
top);
goto err_badParam;
}
assert(pub->upublisher);
assert(top->utopic);
if((ur = u_entityAction(u_entity(top->utopic), jni_writerTypeAction, &arg)) != U_RESULT_OK){
OS_REPORT_1(OS_ERROR, "jni_writerNew", ur,
"Failed to invoke jni_writerTypeAction(...) on top->utopic; u_entityAction(...) returned %s.",
u_resultImage(ur));
goto err_getWriterType;
}
if(arg.type == NULL){
/* Error reported by jni_writerTypeAction */
goto err_getWriterType;
}
if((wri = os_malloc(sizeof *wri)) == NULL){
OS_REPORT_1(OS_ERROR, "jni_writerNew", 0,
"Memory claim of %" PA_PRIuSIZE " denied.",
sizeof *wri);
goto err_malloc;
}
if((wri->deserializer = sd_serializerXMLNewTyped(arg.type)) == NULL){
/* Error reported by sd_serializerXMLNewTyped */
goto err_sd_serializerXMLNewTyped;
}
if((wri->uwriter = u_writerNew(pub->upublisher, NULL, top->utopic, jni_writerCopy, qos, TRUE)) == NULL){
/* Error reported by u_writerNew */
goto err_uwriterNew;
}
wri->publisher = pub;
wri->topic = top;
return wri;
/* Error handling */
err_uwriterNew:
sd_serializerFree(wri->deserializer);
err_sd_serializerXMLNewTyped:
os_free(wri);
err_malloc:
/* No undo for jni_writerTypeAction */
err_getWriterType:
err_badParam:
return NULL;
}
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_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);
}
}
