gapi_returnCode_t
gapi_subscriber_set_default_datareader_qos (
gapi_subscriber _this,
const gapi_dataReaderQos *qos)
{
gapi_returnCode_t result = GAPI_RETCODE_OK;
_Subscriber subscriber = (_Subscriber)_this;
gapi_context context;
GAPI_CONTEXT_SET(context, _this, GAPI_METHOD_SET_DEFAULT_DATAREADER_QOS);
subscriber = gapi_subscriberClaim(_this, &result);
if (result == GAPI_RETCODE_OK) {
if (qos == GAPI_SUBSCRIBER_QOS_DEFAULT) {
qos = &gapi_dataReaderQosDefault;
}
result = gapi_dataReaderQosIsConsistent(qos, &context);
if (result == GAPI_RETCODE_OK) {
gapi_dataReaderQosCopy (qos, &subscriber->_defDataReaderQos);
}
_EntityRelease(subscriber);
}
return result;
}
gapi_returnCode_t
gapi_dataReader_set_qos (
gapi_dataReader _this,
const gapi_dataReaderQos *qos)
{
gapi_returnCode_t result = GAPI_RETCODE_OK;
u_result uResult;
_DataReader dataReader;
v_readerQos dataReaderQos;
gapi_context context;
GAPI_CONTEXT_SET(context, _this, GAPI_METHOD_SET_QOS);
dataReader = gapi_dataReaderClaim(_this, &result);
if ( dataReader ) {
if ( qos ) {
result = gapi_dataReaderQosIsConsistent(qos, &context);
} else {
result = GAPI_RETCODE_BAD_PARAMETER;
}
}
if (( result == GAPI_RETCODE_OK ) && (_EntityEnabled(dataReader))){
gapi_dataReaderQos * existing_qos = gapi_dataReaderQos__alloc();
result = gapi_dataReaderQosCheckMutability(qos,
_DataReaderGetQos(dataReader,
existing_qos),
&context);
gapi_free(existing_qos);
}
if ( result == GAPI_RETCODE_OK ) {
dataReaderQos = u_readerQosNew(NULL);
if (dataReaderQos) {
if ( gapi_kernelReaderQosCopyIn(qos, dataReaderQos) ) {
uResult = u_entitySetQoS(_EntityUEntity(dataReader),
(v_qos)(dataReaderQos) );
result = kernelResultToApiResult(uResult);
u_readerQosFree(dataReaderQos);
} else {
result = GAPI_RETCODE_OUT_OF_RESOURCES;
}
} else {
result = GAPI_RETCODE_OUT_OF_RESOURCES;
}
}
_EntityRelease(dataReader);
return result;
}
gapi_dataReader
gapi_subscriber_create_datareader (
gapi_subscriber _this,
const gapi_topicDescription a_topic,
const gapi_dataReaderQos *qos,
const struct gapi_dataReaderListener *a_listener,
const gapi_statusMask mask)
{
_Subscriber subscriber;
_DataReader datareader = NULL;
gapi_dataReader result = NULL;
_TopicDescription topicDescription = NULL;
gapi_dataReaderQos *readerQos;
gapi_context context;
gapi_topicQos* topicQos;
GAPI_CONTEXT_SET(context, _this, GAPI_METHOD_CREATE_DATAREADER);
subscriber = gapi_subscriberClaim(_this, NULL);
if ( subscriber ) {
if ( !subscriber->builtin ) {
topicDescription = _TopicDescriptionFromHandle(a_topic);
}
}
if ( topicDescription ) {
if ( qos == GAPI_DATAREADER_QOS_DEFAULT ) {
readerQos = &subscriber->_defDataReaderQos;
} else if ( qos == GAPI_DATAREADER_QOS_USE_TOPIC_QOS ) {
_Topic topic = NULL;
switch(_ObjectGetKind(_Object(topicDescription))) {
case OBJECT_KIND_TOPIC:
topic = _Topic(topicDescription);
break;
case OBJECT_KIND_CONTENTFILTEREDTOPIC:
topic = _ContentFilteredTopicGetRelatedTopic(_ContentFilteredTopic(topicDescription));
break;
default:
topic = NULL;
break;
}
if ( topic ) {
topicQos = gapi_topicQos__alloc();
readerQos = gapi_dataReaderQos__alloc();
gapi_dataReaderQosCopy(&subscriber->_defDataReaderQos, readerQos);
_TopicGetQos(topic, topicQos);
gapi_mergeTopicQosWithDataReaderQos(topicQos,readerQos);
gapi_free(topicQos);
} else {
readerQos = (gapi_dataReaderQos *)qos;
}
} else {
readerQos = (gapi_dataReaderQos *)qos;
}
if ( gapi_dataReaderQosIsConsistent(readerQos, &context) == GAPI_RETCODE_OK ) {
gapi_char *typeName;
gapi_char *topicName;
_DomainParticipant participant;
_TypeSupport typeSupport;
/* find topic with the participant for consistency */
typeName = _TopicDescriptionGetTypeName(topicDescription);
topicName = _TopicDescriptionGetName(topicDescription);
participant = _EntityParticipant(_Entity(subscriber));
/* find type support for the data type to find
* data reader create function.
*/
typeSupport = _DomainParticipantFindType(participant, typeName);
if(typeSupport)
{
/* if create function is NULL, take default from data reader */
datareader = _DataReaderNew(topicDescription,
typeSupport,
readerQos,
a_listener,
mask,
subscriber);
if ( datareader ) {
_ENTITY_REGISTER_OBJECT(_Entity(subscriber),
(_Object)datareader);
}
}else{
OS_REPORT_1(OS_WARNING,
"gapi_subscriber_create_datareader", 0,
"TypeSupport %s not found !",
typeName);
}
gapi_free(typeName);
gapi_free(topicName);
}
if (qos == GAPI_DATAREADER_QOS_USE_TOPIC_QOS) {
gapi_free(readerQos);
}
}
_EntityRelease(subscriber);
if ( datareader ) {
gapi_object statusHandle;
statusHandle = _EntityHandle(_Entity(datareader)->status);
result = (gapi_dataReader)_EntityRelease(datareader);
}
return result;
}
