void VRRegisterSceneGraph::unregisterNode(osg::Node *node, string parent)
{
if (blocked)
return;
whole_message = "SCENEGRAPH: \t";
// for stl
createUnregisterMessage(node, parent);
sendUnregisterMessage();
}
void VRRegisterSceneGraph::createUnregisterMessage(osg::Node *node, string parent)
{
if (node)
{
string message = node->getName();
// check for vr-prepare's EndOfTree indicator
bool doNotFollow = (message.find("_EOT") != string::npos) || (message.find("-EOT") != string::npos);
//separate names with tabulators
//separate node and parent with ;;
message.append(";;");
message.append(parent);
message.append("\t");
whole_message.append(message);
osg::Group *group = dynamic_cast<osg::Group *>(node);
if (group && !doNotFollow) // pfGroup, pfDCS
{
for (unsigned int i = 0; i < group->getNumChildren(); i++)
{
createUnregisterMessage(group->getChild(i), node->getName());
}
}
}
}
static c_bool
d_instanceInject(
c_object o,
c_voidp arg)
{
d_instance instance;
d_sample sample;
v_message message, storeMessage, unregisterMsg;
struct d_instanceInjectArg* inj;
v_writeResult wr;
os_time oneSec;
c_iter unregisterMessagesToInject;
c_bool success;
assert(o != NULL);
assert(C_TYPECHECK(o, d_instance));
instance = d_instance(o);
inj = (struct d_instanceInjectArg*)(arg);
unregisterMessagesToInject = c_iterNew(NULL);
sample = d_sample(instance->oldest);
while ((sample != NULL) && (inj->result == D_STORE_RESULT_OK)) {
storeMessage = d_sampleGetMessage(sample);
/* copy message */
c_cloneIn(inj->messageType, storeMessage, (c_voidp*)&(message));
/* inject message */
wr = v_groupWriteNoStream(inj->vgroup, message, NULL, V_NETWORKID_LOCAL);
oneSec.tv_sec = 1;
oneSec.tv_nsec = 0;
while(wr == V_WRITE_REJECTED){
wr = v_groupWriteNoStream(inj->vgroup, message, NULL, V_NETWORKID_LOCAL);
os_nanoSleep(oneSec);
}
if((wr != V_WRITE_SUCCESS) &&
(wr != V_WRITE_REGISTERED) &&
(wr != V_WRITE_UNREGISTERED)) {
OS_REPORT_1(OS_ERROR, D_CONTEXT, 0,
"Unable to write persistent data to group. (result: '%d')\n",
wr);
inj->result = D_STORE_RESULT_ERROR;
} else {
/* If a sample is written or registered, add unregister action */
unregisterMsg = findUnregisterMessage(unregisterMessagesToInject, message);
if(!unregisterMsg){
unregisterMsg = createUnregisterMessage (inj->vgroup, message);
/* Add the newly created unregister message to the list of extra messages to inject */
unregisterMessagesToInject = c_iterAppend (
unregisterMessagesToInject, unregisterMsg);
}
/* Set valid sequence number */
if (message->sequenceNumber >= unregisterMsg->sequenceNumber) {
unregisterMsg->sequenceNumber = message->sequenceNumber + 1;
}
}
sample = sample->newer;
}
if(inj->result == D_STORE_RESULT_OK){
oneSec.tv_sec = 1;
oneSec.tv_nsec = 0;
/* inject the extra unregister messages */
unregisterMsg = v_message(c_iterTakeFirst(unregisterMessagesToInject));
while (unregisterMsg) {
wr = v_groupWriteNoStream(inj->vgroup, unregisterMsg, NULL, V_NETWORKID_LOCAL);
while(wr == V_WRITE_REJECTED){
wr = v_groupWriteNoStream(inj->vgroup, unregisterMsg, NULL, V_NETWORKID_LOCAL);
os_nanoSleep(oneSec);
}
unregisterMsg = v_message(c_iterTakeFirst(unregisterMessagesToInject));
}
c_iterFree(unregisterMessagesToInject);
}
if(inj->result == D_STORE_RESULT_OK){
success = TRUE;
} else {
success = FALSE;
}
return success;
}
