1 files changed, 235 insertions, 10 deletions

diff --git a/indra/newview/llattachmentsmgr.cpp b/indra/newview/llattachmentsmgr.cpp
index 256980eb04..fa2d95a1e6 100755
--- a/indra/newview/llattachmentsmgr.cpp
+++ b/indra/newview/llattachmentsmgr.cpp
@@ -27,15 +27,22 @@
 #include "llviewerprecompiledheaders.h"
 #include "llattachmentsmgr.h"
 
+#include "llvoavatarself.h"
 #include "llagent.h"
+#include "llappearancemgr.h"
 #include "llinventorymodel.h"
 #include "lltooldraganddrop.h" // pack_permissions_slam
 #include "llviewerinventory.h"
 #include "llviewerregion.h"
 #include "message.h"
 
+const F32 COF_LINK_BATCH_TIME = 5.0F;
+const F32 MAX_ATTACHMENT_REQUEST_LIFETIME = 30.0F;
+const F32 MIN_RETRY_REQUEST_TIME = 5.0F;
 
-LLAttachmentsMgr::LLAttachmentsMgr()
+LLAttachmentsMgr::LLAttachmentsMgr():
+    mAttachmentRequests("attach",MIN_RETRY_REQUEST_TIME),
+    mDetachRequests("detach",MIN_RETRY_REQUEST_TIME)
 {
 }
 
@@ -43,15 +50,29 @@ LLAttachmentsMgr::~LLAttachmentsMgr()
 {
 }
 
-void LLAttachmentsMgr::addAttachment(const LLUUID& item_id,
-									 const U8 attachment_pt,
-									 const BOOL add)
+void LLAttachmentsMgr::addAttachmentRequest(const LLUUID& item_id,
+                                            const U8 attachment_pt,
+                                            const BOOL add)
 {
+	LLViewerInventoryItem *item = gInventory.getItem(item_id);
+
+    if (mAttachmentRequests.wasRequestedRecently(item_id))
+    {
+        LL_DEBUGS("Avatar") << "ATT not adding attachment to mPendingAttachments, recent request is already pending: "
+                            << (item ? item->getName() : "UNKNOWN") << " id " << item_id << LL_ENDL;
+        return;
+    }
+
+	LL_DEBUGS("Avatar") << "ATT adding attachment to mPendingAttachments "
+						<< (item ? item->getName() : "UNKNOWN") << " id " << item_id << LL_ENDL;
+
 	AttachmentsInfo attachment;
 	attachment.mItemID = item_id;
 	attachment.mAttachmentPt = attachment_pt;
 	attachment.mAdd = add;
 	mPendingAttachments.push_back(attachment);
+
+    mAttachmentRequests.addTime(item_id);
 }
 
 // static
@@ -68,29 +89,64 @@ void LLAttachmentsMgr::onIdle()
 		return;
 	}
 
-	S32 obj_count = mPendingAttachments.size();
+	requestPendingAttachments();
+
+    linkRecentlyArrivedAttachments();
+
+    expireOldAttachmentRequests();
+}
+
+void LLAttachmentsMgr::requestPendingAttachments()
+{
+	if (mPendingAttachments.size())
+	{
+		requestAttachments(mPendingAttachments);
+		mPendingAttachments.clear();
+	}
+}
+
+// Send request(s) for a group of attachments. As coded, this can
+// request at most 40 attachments and the rest will be
+// ignored. Currently the max attachments per avatar is 38, so the 40
+// limit should not be hit in practice.
+void LLAttachmentsMgr::requestAttachments(const attachments_vec_t& attachment_requests)
+{
+	// Make sure we got a region before trying anything else
+	if( !gAgent.getRegion() )
+	{
+		return;
+	}
+
+	S32 obj_count = attachment_requests.size();
 	if (obj_count == 0)
 	{
 		return;
 	}
-	
+
 	// Limit number of packets to send
 	const S32 MAX_PACKETS_TO_SEND = 10;
 	const S32 OBJECTS_PER_PACKET = 4;
 	const S32 MAX_OBJECTS_TO_SEND = MAX_PACKETS_TO_SEND * OBJECTS_PER_PACKET;
 	if( obj_count > MAX_OBJECTS_TO_SEND )
 	{
+        LL_WARNS() << "ATT Too many attachments requested: " << attachment_requests.size()
+                   << " exceeds limit of " << MAX_OBJECTS_TO_SEND << LL_ENDL;
+        LL_WARNS() << "ATT Excess requests will be ignored" << LL_ENDL;
+
 		obj_count = MAX_OBJECTS_TO_SEND;
 	}
 
+	LL_DEBUGS("Avatar") << "ATT [RezMultipleAttachmentsFromInv] attaching multiple from attachment_requests,"
+		" total obj_count " << obj_count << LL_ENDL;
+
 	LLUUID compound_msg_id;
 	compound_msg_id.generate();
 	LLMessageSystem* msg = gMessageSystem;
 
 	
 	S32 i = 0;
-	for (attachments_vec_t::const_iterator iter = mPendingAttachments.begin();
-		 iter != mPendingAttachments.end();
+	for (attachments_vec_t::const_iterator iter = attachment_requests.begin();
+		 iter != attachment_requests.end();
 		 ++iter)
 	{
 		if( 0 == (i % OBJECTS_PER_PACKET) )
@@ -110,9 +166,11 @@ void LLAttachmentsMgr::onIdle()
 		LLViewerInventoryItem* item = gInventory.getItem(attachment.mItemID);
 		if (!item)
 		{
-			LL_INFOS() << "Attempted to add non-existant item ID:" << attachment.mItemID << LL_ENDL;
+			LL_INFOS() << "Attempted to add non-existent item ID:" << attachment.mItemID << LL_ENDL;
 			continue;
 		}
+		LL_DEBUGS("Avatar") << "ATT requesting from attachment_requests " << item->getName()
+							<< " " << item->getLinkedUUID() << LL_ENDL;
 		S32 attachment_pt = attachment.mAttachmentPt;
 		if (attachment.mAdd) 
 			attachment_pt |= ATTACHMENT_ADD;
@@ -132,6 +190,173 @@ void LLAttachmentsMgr::onIdle()
 		}
 		i++;
 	}
+}
+
+void LLAttachmentsMgr::linkRecentlyArrivedAttachments()
+{
+    if (mRecentlyArrivedAttachments.size())
+    {
+        // One or more attachments have arrived but have not yet been
+        // processed for COF links
+        if (mAttachmentRequests.empty())
+        {
+            // Not waiting for any more.
+            LL_DEBUGS("Avatar") << "ATT all pending attachments have arrived after "
+                                << mCOFLinkBatchTimer.getElapsedTimeF32() << " seconds" << LL_ENDL;
+        }
+        else if (mCOFLinkBatchTimer.getElapsedTimeF32() > COF_LINK_BATCH_TIME)
+        {
+            LL_DEBUGS("Avatar") << "ATT " << mAttachmentRequests.size()
+                                << " pending attachments have not arrived, but wait time exceeded" << LL_ENDL;
+        }
+        else
+        {
+            return;
+        }
+
+        LL_DEBUGS("Avatar") << "ATT checking COF linkability for " << mRecentlyArrivedAttachments.size()
+                            << " recently arrived items" << LL_ENDL;
+		LLInventoryObject::const_object_list_t inv_items_to_link;
+        for (std::set<LLUUID>::iterator it = mRecentlyArrivedAttachments.begin();
+             it != mRecentlyArrivedAttachments.end(); ++it)
+        {
+            if (gAgentAvatarp->isWearingAttachment(*it) &&
+                !LLAppearanceMgr::instance().isLinkedInCOF(*it))
+            {
+                LLUUID item_id = *it;
+                LLViewerInventoryItem *item = gInventory.getItem(item_id);
+                LL_DEBUGS("Avatar") << "ATT adding COF link for attachment "
+                                    << (item ? item->getName() : "UNKNOWN") << " " << item_id << LL_ENDL;
+                inv_items_to_link.push_back(item);
+            }
+        }
+        if (inv_items_to_link.size())
+        {
+            LLPointer<LLInventoryCallback> cb = new LLRequestServerAppearanceUpdateOnDestroy();
+            link_inventory_array(LLAppearanceMgr::instance().getCOF(), inv_items_to_link, cb);
+        }
+        mRecentlyArrivedAttachments.clear();
+    }
+}
+
+LLAttachmentsMgr::LLItemRequestTimes::LLItemRequestTimes(const std::string& op_name, F32 timeout):
+    mOpName(op_name),
+    mTimeout(timeout)
+{
+}
+
+void LLAttachmentsMgr::LLItemRequestTimes::addTime(const LLUUID& inv_item_id)
+{
+    LLInventoryItem *item = gInventory.getItem(inv_item_id);
+    LL_DEBUGS("Avatar") << "ATT " << mOpName << " adding request time " << (item ? item->getName() : "UNKNOWN") << " " << inv_item_id << LL_ENDL;
+	LLTimer current_time;
+	(*this)[inv_item_id] = current_time;
+}
+
+void LLAttachmentsMgr::LLItemRequestTimes::removeTime(const LLUUID& inv_item_id)
+{
+    LLInventoryItem *item = gInventory.getItem(inv_item_id);
+    LL_DEBUGS("Avatar") << "ATT " << mOpName << " removing request time "
+                        << (item ? item->getName() : "UNKNOWN") << " " << inv_item_id << LL_ENDL;
+	(*this).erase(inv_item_id);
+}
+
+BOOL LLAttachmentsMgr::LLItemRequestTimes::getTime(const LLUUID& inv_item_id, LLTimer& timer) const
+{
+	std::map<LLUUID,LLTimer>::const_iterator it = (*this).find(inv_item_id);
+	if (it != (*this).end())
+	{
+        timer = it->second;
+        return TRUE;
+    }
+    return FALSE;
+}
 
-	mPendingAttachments.clear();
+BOOL LLAttachmentsMgr::LLItemRequestTimes::wasRequestedRecently(const LLUUID& inv_item_id) const
+{
+    LLTimer request_time;
+    if (getTime(inv_item_id, request_time))
+    {
+		F32 request_time_elapsed = request_time.getElapsedTimeF32();
+		if (request_time_elapsed >= mTimeout)
+		{
+            LLInventoryItem *item = gInventory.getItem(inv_item_id);
+            LL_DEBUGS("Avatar") << "ATT " << mOpName << " request time ignored, exceeded " << mTimeout
+                                << " " << (item ? item->getName() : "UNKNOWN") << " " << inv_item_id << LL_ENDL;
+        }
+        return request_time_elapsed < mTimeout;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+
+// If we've been waiting for an attachment a long time, we want to
+// forget the request, because if the request is invalid (say the
+// object does not exist), the existence of a request that never goes
+// away will gum up the COF batch logic, causing it to always wait for
+// the timeout. Expiring a request means if the item does show up
+// late, the COF link request may not get properly batched up, but
+// behavior will be no worse than before we had the batching mechanism
+// in place; the COF link will still be created, but extra
+// requestServerAppearanceUpdate() calls may occur.
+void LLAttachmentsMgr::expireOldAttachmentRequests()
+{
+	for (std::map<LLUUID,LLTimer>::iterator it = mAttachmentRequests.begin();
+         it != mAttachmentRequests.end(); )
+    {
+        std::map<LLUUID,LLTimer>::iterator curr_it = it;
+        ++it;
+        if (it->second.getElapsedTimeF32() > MAX_ATTACHMENT_REQUEST_LIFETIME)
+        {
+            LLInventoryItem *item = gInventory.getItem(curr_it->first);
+            LL_DEBUGS("Avatar") << "ATT expiring request for attachment "
+                                << (item ? item->getName() : "UNKNOWN") << "item_id " << curr_it->first
+                                << " after " << MAX_ATTACHMENT_REQUEST_LIFETIME << " seconds" << LL_ENDL;
+            mAttachmentRequests.erase(curr_it);
+        }
+    }
+}
+
+// When an attachment arrives, we want to stop waiting for it, and add
+// it to the set of recently arrived items.
+void LLAttachmentsMgr::onAttachmentArrived(const LLUUID& inv_item_id)
+{
+    LLTimer timer;
+    if (!mAttachmentRequests.getTime(inv_item_id, timer))
+    {
+        LLInventoryItem *item = gInventory.getItem(inv_item_id);
+        LL_WARNS() << "ATT Attachment was unexpected or arrived after " << MAX_ATTACHMENT_REQUEST_LIFETIME << " seconds: "
+                   << (item ? item->getName() : "UNKNOWN") << " id " << inv_item_id << LL_ENDL;
+    }
+    mAttachmentRequests.removeTime(inv_item_id);
+    if (mRecentlyArrivedAttachments.empty())
+    {
+        // Start the timer for sending off a COF link batch.
+        mCOFLinkBatchTimer.reset();
+    }
+    mRecentlyArrivedAttachments.insert(inv_item_id);
+}
+
+void LLAttachmentsMgr::onDetachRequested(const LLUUID& inv_item_id)
+{
+    mDetachRequests.addTime(inv_item_id);
+}
+
+void LLAttachmentsMgr::onDetachCompleted(const LLUUID& inv_item_id)
+{
+    LLTimer timer;
+    LLInventoryItem *item = gInventory.getItem(inv_item_id);
+    if (mDetachRequests.getTime(inv_item_id, timer))
+    {
+        LL_DEBUGS("Avatar") << "ATT detach completed after " << timer.getElapsedTimeF32()
+                            << " seconds for " << (item ? item->getName() : "UNKNOWN") << " " << inv_item_id << LL_ENDL;
+        mDetachRequests.removeTime(inv_item_id);
+    }
+    else
+    {
+        LL_WARNS() << "ATT unexpected detach for "
+                   << (item ? item->getName() : "UNKNOWN") << " id " << inv_item_id << LL_ENDL;
+    }
 }