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-rw-r--r--indra/newview/llinventorymodel.cpp42
-rw-r--r--indra/newview/llinventorymodel.h28
2 files changed, 52 insertions, 18 deletions
diff --git a/indra/newview/llinventorymodel.cpp b/indra/newview/llinventorymodel.cpp
index b41695fd34..51052a22b5 100644
--- a/indra/newview/llinventorymodel.cpp
+++ b/indra/newview/llinventorymodel.cpp
@@ -172,6 +172,7 @@ LLInventoryModel::LLInventoryModel()
mRootFolderID(),
mLibraryRootFolderID(),
mLibraryOwnerID(),
+ mIsNotifyObservers(FALSE),
mIsAgentInvUsable(false)
{
}
@@ -533,7 +534,10 @@ void LLInventoryModel::updateLinkedItems(const LLUUID& object_id)
item_array,
LLInventoryModel::INCLUDE_TRASH,
is_linked_item_match);
-
+ if (cat_array.empty() && item_array.empty())
+ {
+ return;
+ }
for (LLInventoryModel::cat_array_t::iterator cat_iter = cat_array.begin();
cat_iter != cat_array.end();
cat_iter++)
@@ -635,6 +639,7 @@ U32 LLInventoryModel::updateItem(const LLViewerInventoryItem* item)
new_item = old_item;
LLUUID old_parent_id = old_item->getParentUUID();
LLUUID new_parent_id = item->getParentUUID();
+
if(old_parent_id != new_parent_id)
{
// need to update the parent-child tree
@@ -1129,6 +1134,16 @@ BOOL LLInventoryModel::containsObserver(LLInventoryObserver* observer) const
// The optional argument 'service_name' is used by Agent Inventory Service [DEV-20328]
void LLInventoryModel::notifyObservers(const std::string service_name)
{
+ if (mIsNotifyObservers)
+ {
+ // Within notifyObservers, something called notifyObservers
+ // again. This type of recursion is unsafe because it causes items to be
+ // processed twice, and this can easily lead to infinite loops.
+ llwarns << "Call was made to notifyObservers within notifyObservers!" << llendl;
+ return;
+ }
+ mIsNotifyObservers = TRUE;
+ llinfos << "Start process notifyObservers for " << this << llendl;
for (observer_list_t::iterator iter = mObservers.begin();
iter != mObservers.end(); )
{
@@ -1150,12 +1165,21 @@ void LLInventoryModel::notifyObservers(const std::string service_name)
mModifyMask = LLInventoryObserver::NONE;
mChangedItemIDs.clear();
+ mIsNotifyObservers = FALSE;
}
// store flag for change
// and id of object change applies to
void LLInventoryModel::addChangedMask(U32 mask, const LLUUID& referent)
{
+ if (mIsNotifyObservers)
+ {
+ // Something marked an item for change within a call to notifyObservers
+ // (which is in the process of processing the list of items marked for change).
+ // This means the change may fail to be processed.
+ llwarns << "Adding changed mask within notify observers! Change will likely be lost." << llendl;
+ }
+
mModifyMask |= mask;
if (referent.notNull())
{
@@ -1824,13 +1848,13 @@ void LLInventoryModel::addItem(LLViewerInventoryItem* item)
{
//llinfos << "LLInventoryModel::addItem()" << llendl;
-
- // This can happen if assettype enums change. This can be a backwards compatibility issue
- // in some viewer prototypes prior to when the AT_LINK enum changed from 23 to 24.
+ // This can happen if assettype enums from llassettype.h ever change.
+ // For example, there is a known backwards compatibility issue in some viewer prototypes prior to when
+ // the AT_LINK enum changed from 23 to 24.
if ((item->getType() == LLAssetType::AT_NONE)
|| LLAssetType::lookup(item->getType()) == LLAssetType::badLookup())
{
- llwarns << "Got bad asset type for item ( name: " << item->getName() << " type: " << item->getType() << " inv-type: " << item->getInventoryType() << " ), ignoring." << llendl;
+ llwarns << "Got bad asset type for item [ name: " << item->getName() << " type: " << item->getType() << " inv-type: " << item->getInventoryType() << " ], ignoring." << llendl;
return;
}
if(item)
@@ -1839,7 +1863,7 @@ void LLInventoryModel::addItem(LLViewerInventoryItem* item)
// The item will show up as a broken link.
if (item->getIsBrokenLink())
{
- llinfos << "Adding broken link ( name: " << item->getName() << " itemID: " << item->getUUID() << " assetID: " << item->getAssetUUID() << " ) parent: " << item->getParentUUID() << llendl;
+ llinfos << "Adding broken link [ name: " << item->getName() << " itemID: " << item->getUUID() << " assetID: " << item->getAssetUUID() << " ) parent: " << item->getParentUUID() << llendl;
}
mItemMap[item->getUUID()] = item;
}
@@ -3263,6 +3287,12 @@ void LLInventoryModel::processInventoryDescendents(LLMessageSystem* msg,void**)
for(i = 0; i < count; ++i)
{
titem->unpackMessage(msg, _PREHASH_ItemData, i);
+ // If the item has already been added (e.g. from link prefetch), then it doesn't need to be re-added.
+ if (gInventory.getItem(titem->getUUID()))
+ {
+ llinfos << "Skipping prefetched item [ Name: " << titem->getName() << " | Type: " << titem->getActualType() << " | ItemUUID: " << titem->getUUID() << " ] " << llendl;
+ continue;
+ }
gInventory.updateItem(titem);
}
diff --git a/indra/newview/llinventorymodel.h b/indra/newview/llinventorymodel.h
index aba0a619db..5f51408bcf 100644
--- a/indra/newview/llinventorymodel.h
+++ b/indra/newview/llinventorymodel.h
@@ -472,23 +472,12 @@ protected:
cat_array_t* getUnlockedCatArray(const LLUUID& id);
item_array_t* getUnlockedItemArray(const LLUUID& id);
-protected:
+private:
// Variables used to track what has changed since the last notify.
U32 mModifyMask;
typedef std::set<LLUUID> changed_items_t;
changed_items_t mChangedItemIDs;
- // Information for tracking the actual inventory. We index this
- // information in a lot of different ways so we can access
- // the inventory using several different identifiers.
- // mInventory member data is the 'master' list of inventory, and
- // mCategoryMap and mItemMap store uuid->object mappings.
- typedef std::map<LLUUID, LLPointer<LLViewerInventoryCategory> > cat_map_t;
- typedef std::map<LLUUID, LLPointer<LLViewerInventoryItem> > item_map_t;
- //inv_map_t mInventory;
- cat_map_t mCategoryMap;
- item_map_t mItemMap;
-
std::map<LLUUID, bool> mCategoryLock;
std::map<LLUUID, bool> mItemLock;
@@ -521,6 +510,21 @@ protected:
// This flag is used to handle an invalid inventory state.
bool mIsAgentInvUsable;
+private:
+ // Information for tracking the actual inventory. We index this
+ // information in a lot of different ways so we can access
+ // the inventory using several different identifiers.
+ // mInventory member data is the 'master' list of inventory, and
+ // mCategoryMap and mItemMap store uuid->object mappings.
+ typedef std::map<LLUUID, LLPointer<LLViewerInventoryCategory> > cat_map_t;
+ typedef std::map<LLUUID, LLPointer<LLViewerInventoryItem> > item_map_t;
+ //inv_map_t mInventory;
+ cat_map_t mCategoryMap;
+ item_map_t mItemMap;
+
+ // Flag set when notifyObservers is being called, to look for bugs
+ // where it's called recursively.
+ BOOL mIsNotifyObservers;
public:
// *NOTE: DEBUG functionality
void dumpInventory() const;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-27 23:23:13 +0000