Merge pull request #3740 from secondlife/geenz/friends-list-race-condition-fix

#3739 Friends list login race condition
master
Jonathan "Geenz" Goodman 2025-03-13 03:48:23 -04:00 committed by GitHub
commit 693e05ab85
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3 changed files with 31 additions and 2 deletions

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@ -271,6 +271,22 @@ S32 LLAvatarTracker::addBuddyList(const LLAvatarTracker::buddy_map_t& buds)
<< "]" << LL_ENDL;
}
}
// It's possible that the buddy list getting propagated from the inventory may have happened after we actually got the buddy list.
// Any buddies that we got prior will reside in a special queue that we must process and update statuses accordingly with.
// Do that here.
// -Geenz 2025-03-12
while (!mBuddyStatusQueue.empty())
{
auto buddyStatus = mBuddyStatusQueue.front();
mBuddyStatusQueue.pop();
if (mBuddyInfo.find(buddyStatus.first) != mBuddyInfo.end())
{
setBuddyOnline(buddyStatus.first, buddyStatus.second);
}
}
// do not notify observers here - list can be large so let it be done on idle.
return new_buddy_count;
@ -335,6 +351,8 @@ void LLAvatarTracker::setBuddyOnline(const LLUUID& id, bool is_online)
{
LL_WARNS() << "!! No buddy info found for " << id
<< ", setting to " << (is_online ? "Online" : "Offline") << LL_ENDL;
LL_WARNS() << "Did we receive a buddy status update before the buddy info?" << LL_ENDL;
mBuddyStatusQueue.push(std::make_pair(id, is_online));
}
}
@ -706,6 +724,8 @@ void LLAvatarTracker::processNotify(LLMessageSystem* msg, bool online)
{
LL_WARNS() << "Received online notification for unknown buddy: "
<< agent_id << " is " << (online ? "ONLINE" : "OFFLINE") << LL_ENDL;
LL_WARNS() << "Adding buddy to buddy queue." << LL_ENDL;
mBuddyStatusQueue.push(std::make_pair(agent_id, true));
}
if(tracking_id == agent_id)

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@ -109,6 +109,7 @@ public:
// add or remove agents from buddy list. Each method takes a set
// of buddies and returns how many were actually added or removed.
typedef std::map<LLUUID, LLRelationship*> buddy_map_t;
typedef std::queue<std::pair<LLUUID, bool>> buddy_status_queue_t;
S32 addBuddyList(const buddy_map_t& buddies);
//S32 removeBuddyList(const buddy_list_t& exes);
@ -194,6 +195,7 @@ protected:
//LLInventoryObserver* mInventoryObserver;
buddy_map_t mBuddyInfo;
buddy_status_queue_t mBuddyStatusQueue;
typedef std::set<LLUUID> changed_buddy_t;
changed_buddy_t mChangedBuddyIDs;

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@ -1714,6 +1714,15 @@ bool idle_startup()
gAssetStorage->setUpstream(regionp->getHost());
gCacheName->setUpstream(regionp->getHost());
}
// It is entirely possible that we may get the friends list _before_ we have the callbacks registered to process that.
// This will lead to the friends list not being processed properly and online statuses not being updated appropriately at login.
// So, we need to make sure that we have the callbacks registered before we get the friends list.
// This appears to crop up on some systems somewhere between STATE_AGENT_SEND and STATE_INVENTORY_SEND. It's happened to me a few times now.
// -Geenz 2025-03-12
LL_INFOS() << " AvatarTracker" << LL_ENDL;
LLAvatarTracker::instance().registerCallbacks(gMessageSystem);
do_startup_frame();
// Create login effect
@ -2013,8 +2022,6 @@ bool idle_startup()
LLMessageSystem* msg = gMessageSystem;
LL_INFOS() << " Inventory" << LL_ENDL;
LLInventoryModel::registerCallbacks(msg);
LL_INFOS() << " AvatarTracker" << LL_ENDL;
LLAvatarTracker::instance().registerCallbacks(msg);
LL_INFOS() << " Landmark" << LL_ENDL;
LLLandmark::registerCallbacks(msg);
do_startup_frame();