Merged in rider_linden/viewer-lynx (pull request #18)

MAINT-6403: Correct the local COF version from AIS when it loses sync.

1 files changed, 33 insertions, 39 deletions

diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index b9dd43f061..672d153e51 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -7313,7 +7313,6 @@ bool resolve_appearance_version(const LLAppearanceMessageContents& contents, S32
 //-----------------------------------------------------------------------------
 void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
 {
-    static S32 largestSelfCOFSeen(LLViewerInventoryCategory::VERSION_UNKNOWN);
 	LL_DEBUGS("Avatar") << "starts" << LL_ENDL;
 	
 	bool enable_verbose_dumps = gSavedSettings.getBOOL("DebugAvatarAppearanceMessage");
@@ -7348,43 +7347,34 @@ void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
 		return;
 	}
 
-	S32 this_update_cof_version = contents.mCOFVersion;
-	S32 last_update_request_cof_version = mLastUpdateRequestCOFVersion;
+    S32 thisAppearanceVersion(contents.mCOFVersion);
+    if (isSelf())
+    {   // In the past this was considered to be the canonical COF version, 
+        // that is no longer the case.  The canonical version is maintained 
+        // by the AIS code and should match the COF version there. Even so,
+        // we must prevent rolling this one backwards backwards or processing 
+        // stale versions.
 
-	if( isSelf() )
-	{
-		LL_DEBUGS("Avatar") << "this_update_cof_version " << this_update_cof_version
-				<< " last_update_request_cof_version " << last_update_request_cof_version
-				<<  " my_cof_version " << LLAppearanceMgr::instance().getCOFVersion() << LL_ENDL;
+        S32 aisCOFVersion(LLAppearanceMgr::instance().getCOFVersion());
+
+        LL_DEBUGS("Avatar") << "handling self appearance message #" << thisAppearanceVersion <<
+            " (highest seen #" << mLastUpdateReceivedCOFVersion <<
+            ") (AISCOF=#" << aisCOFVersion << ")" << LL_ENDL;
 
-        if (largestSelfCOFSeen > this_update_cof_version)
+        if (mLastUpdateReceivedCOFVersion >= thisAppearanceVersion)
         {
-            LL_WARNS("Avatar") << "Already processed appearance for COF version " <<
-                largestSelfCOFSeen << ", discarding appearance with COF " << this_update_cof_version << LL_ENDL;
+            LL_WARNS("Avatar") << "Stale appearance received #" << thisAppearanceVersion <<
+                " attempt to roll back from #" << mLastUpdateReceivedCOFVersion <<
+                "... dropping." << LL_ENDL;
+            return;
+        }
+        if (isEditingAppearance())
+        {
+            LL_DEBUGS("Avatar") << "Editing appearance.  Dropping appearance update." << LL_ENDL;
             return;
         }
-        largestSelfCOFSeen = this_update_cof_version;
-
-	}
-	else
-	{
-		LL_DEBUGS("Avatar") << "appearance message received" << LL_ENDL;
-	}
-
-	// Check for stale update.
-	if (isSelf()
-		&& (this_update_cof_version < last_update_request_cof_version))
-	{
-		LL_WARNS() << "Stale appearance update, wanted version " << last_update_request_cof_version
-				<< ", got " << this_update_cof_version << LL_ENDL;
-		return;
-	}
 
-	if (isSelf() && isEditingAppearance())
-	{
-		LL_DEBUGS("Avatar") << "ignoring appearance message while in appearance edit" << LL_ENDL;
-		return;
-	}
+    }
 
 	// SUNSHINE CLEANUP - is this case OK now?
 	S32 num_params = contents.mParamWeights.size();
@@ -7399,13 +7389,17 @@ void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
 	}
 
 	// No backsies zone - if we get here, the message should be valid and usable, will be processed.
-    LL_INFOS("Avatar") << "Processing appearance message version " << this_update_cof_version << LL_ENDL;
+    LL_INFOS("Avatar") << "Processing appearance message version " << thisAppearanceVersion << LL_ENDL;
 
-	// Note:
-	// RequestAgentUpdateAppearanceResponder::onRequestRequested()
-	// assumes that cof version is only updated with server-bake
-	// appearance messages.
-	mLastUpdateReceivedCOFVersion = this_update_cof_version;
+    if (isSelf())
+    {
+        // Note:
+        // locally the COF is maintained via LLInventoryModel::accountForUpdate
+        // which is called from various places.  This should match the simhost's 
+        // idea of what the COF version is.  AIS however maintains its own version
+        // of the COF that should be considered canonical. 
+        mLastUpdateReceivedCOFVersion = thisAppearanceVersion;
+    }
 		
     if (applyParsedTEMessage(contents.mTEContents) > 0 && isChanged(TEXTURE))
     {
@@ -7528,7 +7522,7 @@ void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
 		// Got an update for some other avatar
 		// Ignore updates for self, because we have a more authoritative value in the preferences.
 		setHoverOffset(contents.mHoverOffset);
-		LL_INFOS("Avatar") << avString() << "setting hover to " << contents.mHoverOffset[2] << LL_ENDL;
+		LL_DEBUGS("Avatar") << avString() << "setting hover to " << contents.mHoverOffset[2] << LL_ENDL;
 	}
 
 	if (!contents.mHoverOffsetWasSet && !isSelf())