d_groupCreationQueue
d_groupCreationQueueNew(
d_admin admin)
{
d_groupCreationQueue queue;
os_result osr;
os_threadAttr attr;
assert(admin);
queue = d_groupCreationQueue(os_malloc(C_SIZEOF(d_groupCreationQueue)));
if(queue) {
d_lockInit(d_lock(queue), D_GROUP_CREATION_QUEUE, d_groupCreationQueueDeinit);
if(queue) {
queue->groups = c_iterNew(NULL);
queue->terminate = FALSE;
queue->admin = admin;
queue->groupsToCreateVolatile = 0;
queue->groupsToCreateTransient = 0;
queue->groupsToCreatePersistent = 0;
osr = os_threadAttrInit(&attr);
if(osr == os_resultSuccess) {
osr = os_threadCreate(&queue->actionThread, "groupCreationThread",
&attr, (void*(*)(void*))d_groupCreationQueueRun,
(void*)queue);
if(osr != os_resultSuccess) {
d_groupCreationQueueFree(queue);
queue = NULL;
}
} else {
d_groupCreationQueueFree(queue);
queue = NULL;
}
}
}
return queue;
}
d_readerRequest
d_readerRequestProxyNew(
v_handle source)
{
d_readerRequest request;
request = d_readerRequest(os_malloc(C_SIZEOF(d_readerRequest)));
if(request){
d_lockInit(d_lock(request), D_READER_REQUEST, d_readerRequestDeinit);
request->admin = NULL;
request->readerHandle.index = source.index;
request->readerHandle.serial = source.serial;
request->readerHandle.server = 0;
request->requests = NULL;
request->filter = NULL;
request->filterParams = NULL;
request->filterParamsCount = 0;
request->groups = NULL;
}
return request;
}
d_waitset
d_waitsetNew(
d_subscriber subscriber,
c_bool runToCompletion,
c_bool timedWait)
{
d_durability durability;
d_admin admin;
u_participant uparticipant;
os_threadAttr attr;
os_result osr;
c_ulong mask;
d_waitset waitset = NULL;
assert(d_objectIsValid(d_object(subscriber), D_SUBSCRIBER) == TRUE);
if(subscriber){
waitset = d_waitset(os_malloc(C_SIZEOF(d_waitset)));
if(waitset) {
d_lockInit(d_lock(waitset), D_WAITSET, d_waitsetDeinit);
admin = d_subscriberGetAdmin(subscriber);
durability = d_adminGetDurability(admin);
uparticipant = u_participant(d_durabilityGetService(durability));
waitset->terminate = FALSE;
waitset->subscriber = subscriber;
waitset->entities = c_iterNew(NULL);
waitset->runToCompletion = runToCompletion;
waitset->timedWait = timedWait;
if(runToCompletion == TRUE){
waitset->uwaitset = u_waitsetNew(uparticipant);
mask = V_EVENT_DATA_AVAILABLE;
mask |= V_EVENT_NEW_GROUP;
mask |= V_EVENT_HISTORY_DELETE;
mask |= V_EVENT_HISTORY_REQUEST;
mask |= V_EVENT_PERSISTENT_SNAPSHOT;
mask |= V_EVENT_TRIGGER;
u_waitsetSetEventMask(waitset->uwaitset, mask);
osr = os_threadAttrInit(&attr);
if(osr == os_resultSuccess) {
osr = os_threadCreate(&waitset->thread, "waitsetThread", &attr,
d_waitsetEventHandlerRunToCompletion, waitset);
}
if(osr != os_resultSuccess) {
d_waitsetFree(waitset);
}
waitset->threads = NULL;
} else {
waitset->threads = c_iterNew(NULL);
waitset->uwaitset = NULL;
waitset->thread = OS_THREAD_ID_NONE;
}
}
}
return waitset;
}
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;
}
