1850cd159d
I'm still wary, but let's toss it into our release, shall we? This changes the maps in inventorymodel to unordered maps. On the surface this seems like a good thing, definitely is for inventory loading. It seemed a lot snappier to literally everyone before the HTTP Asset patch rolled out, so that's good. Thanks to Router, Bitten, Gooz, Deltek, Damian, Melaniecosti, Torric, and anyone else I might be forgetting at the moment who tested this for me!
615 lines
26 KiB
C++
615 lines
26 KiB
C++
/**
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* @file llinventorymodel.h
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* @brief LLInventoryModel class header file
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*
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* $LicenseInfo:firstyear=2002&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLINVENTORYMODEL_H
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#define LL_LLINVENTORYMODEL_H
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#include <unordered_map>
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#include <set>
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#include <string>
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#include <vector>
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#include "llassettype.h"
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#include "llfoldertype.h"
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#include "llframetimer.h"
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#include "llhttpclient.h"
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#include "lluuid.h"
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#include "llpermissionsflags.h"
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#include "llviewerinventory.h"
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#include "llstring.h"
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#include "llmd5.h"
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class AIHTTPTimeoutPolicy;
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extern AIHTTPTimeoutPolicy FetchItemHttpHandler_timeout;
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class LLInventoryObserver;
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class LLInventoryObject;
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class LLInventoryItem;
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class LLInventoryCategory;
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class LLMessageSystem;
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class LLInventoryCollectFunctor;
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// LLInventoryModel
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//
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// Represents a collection of inventory, and provides efficient ways to access
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// that information.
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// NOTE: This class could in theory be used for any place where you need
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// inventory, though it optimizes for time efficiency - not space efficiency,
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// probably making it inappropriate for use on tasks.
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class LLInventoryModel
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{
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LOG_CLASS(LLInventoryModel);
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public:
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friend class LLInventoryModelFetchDescendentsResponder;
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enum EHasChildren
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{
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CHILDREN_NO,
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CHILDREN_YES,
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CHILDREN_MAYBE
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};
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typedef std::vector<LLPointer<LLViewerInventoryCategory> > cat_array_t;
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typedef std::vector<LLPointer<LLViewerInventoryItem> > item_array_t;
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typedef std::set<LLUUID> changed_items_t;
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class FetchItemHttpHandler : public LLHTTPClient::ResponderWithResult
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{
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public:
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LOG_CLASS(FetchItemHttpHandler);
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FetchItemHttpHandler(const LLSD& request_sd) : mRequestSD(request_sd) {};
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/*virtual*/ void httpSuccess(void);
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/*virtual*/ void httpFailure(void);
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/*virtual*/ AICapabilityType capability_type(void) const { return cap_inventory; }
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/*virtual*/ AIHTTPTimeoutPolicy const& getHTTPTimeoutPolicy(void) const { return FetchItemHttpHandler_timeout; }
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/*virtual*/ char const* getName(void) const { return "FetchItemHttpHandler"; }
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protected:
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LLSD mRequestSD;
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};
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/********************************************************************************
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** **
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** INITIALIZATION/SETUP
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**/
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//--------------------------------------------------------------------
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// Constructors / Destructors
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//--------------------------------------------------------------------
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public:
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LLInventoryModel();
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~LLInventoryModel();
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void cleanupInventory();
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//<edit>
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//protected:
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//</edit>
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void empty(); // empty the entire contents
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//--------------------------------------------------------------------
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// Initialization
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//--------------------------------------------------------------------
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public:
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// The inventory model usage is sensitive to the initial construction of the model
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bool isInventoryUsable() const;
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private:
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bool mIsAgentInvUsable; // used to handle an invalid inventory state
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//--------------------------------------------------------------------
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// Root Folders
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//--------------------------------------------------------------------
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public:
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// The following are set during login with data from the server
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void setRootFolderID(const LLUUID& id);
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void setLibraryOwnerID(const LLUUID& id);
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void setLibraryRootFolderID(const LLUUID& id);
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const LLUUID &getRootFolderID() const;
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const LLUUID &getLibraryOwnerID() const;
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const LLUUID &getLibraryRootFolderID() const;
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private:
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LLUUID mRootFolderID;
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LLUUID mLibraryRootFolderID;
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LLUUID mLibraryOwnerID;
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//--------------------------------------------------------------------
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// Structure
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//--------------------------------------------------------------------
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public:
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// Methods to load up inventory skeleton & meat. These are used
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// during authentication. Returns true if everything parsed.
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bool loadSkeleton(const LLSD& options, const LLUUID& owner_id);
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void buildParentChildMap(); // brute force method to rebuild the entire parent-child relations
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void createCommonSystemCategories();
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// Call on logout to save a terse representation.
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void cache(const LLUUID& parent_folder_id, const LLUUID& agent_id);
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private:
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// Information for tracking the actual inventory. We index this
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// information in a lot of different ways so we can access
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// the inventory using several different identifiers.
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// mInventory member data is the 'master' list of inventory, and
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// mCategoryMap and mItemMap store uuid->object mappings.
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typedef std::unordered_map<LLUUID, LLPointer<LLViewerInventoryCategory> > cat_map_t;
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typedef std::unordered_map<LLUUID, LLPointer<LLViewerInventoryItem> > item_map_t;
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cat_map_t mCategoryMap;
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item_map_t mItemMap;
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// This last set of indices is used to map parents to children.
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typedef std::unordered_map<LLUUID, cat_array_t*> parent_cat_map_t;
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typedef std::unordered_map<LLUUID, item_array_t*> parent_item_map_t;
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parent_cat_map_t mParentChildCategoryTree;
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parent_item_map_t mParentChildItemTree;
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// Track links to items and categories. We do not store item or
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// category pointers here, because broken links are also supported.
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typedef std::multimap<LLUUID, LLUUID> backlink_mmap_t;
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backlink_mmap_t mBacklinkMMap; // key = target_id: ID of item, values = link_ids: IDs of item or folder links referencing it.
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// For internal use only
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bool hasBacklinkInfo(const LLUUID& link_id, const LLUUID& target_id) const;
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void addBacklinkInfo(const LLUUID& link_id, const LLUUID& target_id);
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void removeBacklinkInfo(const LLUUID& link_id, const LLUUID& target_id);
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//--------------------------------------------------------------------
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// Login
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//--------------------------------------------------------------------
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public:
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static BOOL getIsFirstTimeInViewer2();
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private:
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static BOOL sFirstTimeInViewer2;
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const static S32 sCurrentInvCacheVersion; // expected inventory cache version
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/** Initialization/Setup
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** **
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*******************************************************************************/
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/********************************************************************************
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** **
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** ACCESSORS
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**/
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//--------------------------------------------------------------------
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// Descendents
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//--------------------------------------------------------------------
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public:
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// Make sure we have the descendents in the structure. Returns true
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// if a fetch was performed.
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bool fetchDescendentsOf(const LLUUID& folder_id) const;
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// Return the direct descendents of the id provided.Set passed
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// in values to NULL if the call fails.
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// NOTE: The array provided points straight into the guts of
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// this object, and should only be used for read operations, since
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// modifications may invalidate the internal state of the inventory.
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void getDirectDescendentsOf(const LLUUID& cat_id,
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cat_array_t*& categories,
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item_array_t*& items) const;
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// Same but only get categories.
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void getDirectDescendentsOf(const LLUUID& cat_id,
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cat_array_t*& categories) const;
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// Compute a hash of direct descendent names (for detecting child name changes)
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LLMD5 hashDirectDescendentNames(const LLUUID& cat_id) const;
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// Starting with the object specified, add its descendents to the
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// array provided, but do not add the inventory object specified
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// by id. There is no guaranteed order.
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// NOTE: Neither array will be erased before adding objects to it.
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// Do not store a copy of the pointers collected - use them, and
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// collect them again later if you need to reference the same objects.
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enum {
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EXCLUDE_TRASH = FALSE,
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INCLUDE_TRASH = TRUE
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};
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// Simpler existence test if matches don't actually need to be collected.
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bool hasMatchingDirectDescendent(const LLUUID& cat_id,
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LLInventoryCollectFunctor& filter, bool follow_folder_links = false);
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void collectDescendents(const LLUUID& id,
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cat_array_t& categories,
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item_array_t& items,
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BOOL include_trash);
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// [RLVa:KB] - Checked: 2013-04-15 (RLVa-1.4.8)
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void collectDescendentsIf(const LLUUID& id,
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cat_array_t& categories,
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item_array_t& items,
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BOOL include_trash,
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LLInventoryCollectFunctor& add,
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bool follow_folder_links = false);
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// [/RLVa:KB]
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// void collectDescendentsIf(const LLUUID& id,
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// cat_array_t& categories,
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// item_array_t& items,
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// BOOL include_trash,
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// LLInventoryCollectFunctor& add);
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// Collect all items in inventory that are linked to item_id.
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// Assumes item_id is itself not a linked item.
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item_array_t collectLinksTo(const LLUUID& item_id,
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const LLUUID& start_folder_id = LLUUID::null);
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// Check if one object has a parent chain up to the category specified by UUID.
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BOOL isObjectDescendentOf(const LLUUID& obj_id, const LLUUID& cat_id, const BOOL break_on_recursion=FALSE) const;
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// Follow parent chain to the top.
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bool getObjectTopmostAncestor(const LLUUID& object_id, LLUUID& result) const;
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//--------------------------------------------------------------------
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// Find
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//--------------------------------------------------------------------
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public:
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const LLUUID findCategoryUUIDForTypeInRoot(
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LLFolderType::EType preferred_type,
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bool create_folder,
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const LLUUID& root_id);
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// Returns the uuid of the category that specifies 'type' as what it
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// defaults to containing. The category is not necessarily only for that type.
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// NOTE: If create_folder is true, this will create a new inventory category
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// on the fly if one does not exist. *NOTE: if find_in_library is true it
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// will search in the user's library folder instead of "My Inventory"
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const LLUUID findCategoryUUIDForType(LLFolderType::EType preferred_type,
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bool create_folder = true);
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// will search in the user's library folder instead of "My Inventory"
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const LLUUID findLibraryCategoryUUIDForType(LLFolderType::EType preferred_type,
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bool create_folder = true);
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// Get whatever special folder this object is a child of, if any.
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const LLViewerInventoryCategory *getFirstNondefaultParent(const LLUUID& obj_id) const;
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// Get first descendant of the child object under the specified parent
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const LLViewerInventoryCategory *getFirstDescendantOf(const LLUUID& master_parent_id, const LLUUID& obj_id) const;
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// Get the object by id. Returns NULL if not found.
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// NOTE: Use the pointer returned for read operations - do
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// not modify the object values in place or you will break stuff.
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LLInventoryObject* getObject(const LLUUID& id) const;
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// Get the item by id. Returns NULL if not found.
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// NOTE: Use the pointer for read operations - use the
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// updateItem() method to actually modify values.
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LLViewerInventoryItem* getItem(const LLUUID& id) const;
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// Get the category by id. Returns NULL if not found.
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// NOTE: Use the pointer for read operations - use the
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// updateCategory() method to actually modify values.
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LLViewerInventoryCategory* getCategory(const LLUUID& id) const;
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// Get the inventoryID or item that this item points to, else just return object_id
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const LLUUID& getLinkedItemID(const LLUUID& object_id) const;
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LLViewerInventoryItem* getLinkedItem(const LLUUID& object_id) const;
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LLUUID findCategoryByName(std::string name);
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// Copy content of all folders of type "type" into folder "id" and delete/purge the empty folders
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// Note : This method has been designed for FT_OUTBOX (aka Merchant Outbox) but can be used for other categories
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void consolidateForType(const LLUUID& id, LLFolderType::EType type);
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private:
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mutable LLPointer<LLViewerInventoryItem> mLastItem; // cache recent lookups
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//--------------------------------------------------------------------
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// Count
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//--------------------------------------------------------------------
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public:
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// Return the number of items or categories
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S32 getItemCount() const;
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S32 getCategoryCount() const;
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/** Accessors
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** **
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*******************************************************************************/
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/********************************************************************************
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** **
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** MUTATORS
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**/
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public:
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// Change an existing item with a matching item_id or add the item
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// to the current inventory. Returns the change mask generated by
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// the update. No notification will be sent to observers. This
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// method will only generate network traffic if the item had to be
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// reparented.
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// NOTE: In usage, you will want to perform cache accounting
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// operations in LLInventoryModel::accountForUpdate() or
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// LLViewerInventoryItem::updateServer() before calling this method.
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U32 updateItem(const LLViewerInventoryItem* item, U32 mask = 0);
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// Change an existing item with the matching id or add
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// the category. No notifcation will be sent to observers. This
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// method will only generate network traffic if the item had to be
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// reparented.
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// NOTE: In usage, you will want to perform cache accounting
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// operations in accountForUpdate() or LLViewerInventoryCategory::
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// updateServer() before calling this method.
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void updateCategory(const LLViewerInventoryCategory* cat, U32 mask = 0);
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// Move the specified object id to the specified category and
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// update the internal structures. No cache accounting,
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// observer notification, or server update is performed.
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void moveObject(const LLUUID& object_id, const LLUUID& cat_id);
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// Migrated from llinventoryfunctions
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void changeItemParent(LLViewerInventoryItem* item,
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const LLUUID& new_parent_id,
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BOOL restamp);
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// Migrated from llinventoryfunctions
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void changeCategoryParent(LLViewerInventoryCategory* cat,
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const LLUUID& new_parent_id,
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BOOL restamp);
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//--------------------------------------------------------------------
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// Delete
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//--------------------------------------------------------------------
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public:
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// Update model after an AISv3 update received for any operation.
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void onAISUpdateReceived(const std::string& context, const LLSD& update);
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// Update model after an item is confirmed as removed from
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// server. Works for categories or items.
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void onObjectDeletedFromServer(const LLUUID& item_id,
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bool fix_broken_links = true,
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bool update_parent_version = true,
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bool do_notify_observers = true);
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// Update model after all descendents removed from server.
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void onDescendentsPurgedFromServer(const LLUUID& object_id, bool fix_broken_links = true);
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// Update model after an existing item gets updated on server.
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void onItemUpdated(const LLUUID& item_id, const LLSD& updates, bool update_parent_version);
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// Update model after an existing category gets updated on server.
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void onCategoryUpdated(const LLUUID& cat_id, const LLSD& updates);
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// Delete a particular inventory object by ID. Will purge one
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// object from the internal data structures, maintaining a
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// consistent internal state. No cache accounting, observer
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// notification, or server update is performed.
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void deleteObject(const LLUUID& id, bool fix_broken_links = true, bool do_notify_observers = true);
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/// move Item item_id to Trash
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void removeItem(const LLUUID& item_id);
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/// move Category category_id to Trash
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void removeCategory(const LLUUID& category_id);
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/// removeItem() or removeCategory(), whichever is appropriate
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void removeObject(const LLUUID& object_id);
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protected:
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void updateLinkedObjectsFromPurge(const LLUUID& baseobj_id);
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//--------------------------------------------------------------------
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// Reorder
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//--------------------------------------------------------------------
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public:
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// Changes items order by insertion of the item identified by src_item_id
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// before (or after) the item identified by dest_item_id. Both items must exist in items array.
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// Sorting is stored after method is finished. Only src_item_id is moved before (or after) dest_item_id.
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// The parameter "insert_before" controls on which side of dest_item_id src_item_id gets rensinserted.
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static void updateItemsOrder(LLInventoryModel::item_array_t& items,
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const LLUUID& src_item_id,
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const LLUUID& dest_item_id,
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bool insert_before = true);
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// Gets an iterator on an item vector knowing only the item UUID.
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// Returns end() of the vector if not found.
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static LLInventoryModel::item_array_t::iterator findItemIterByUUID(LLInventoryModel::item_array_t& items, const LLUUID& id);
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//--------------------------------------------------------------------
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// Creation
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//--------------------------------------------------------------------
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public:
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// Returns the UUID of the new category. If you want to use the default
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// name based on type, pass in a NULL to the 'name' parameter.
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LLUUID createNewCategory(const LLUUID& parent_id,
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LLFolderType::EType preferred_type,
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const std::string& name,
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boost::optional<inventory_func_type> callback = boost::optional<inventory_func_type>());
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protected:
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// Internal methods that add inventory and make sure that all of
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// the internal data structures are consistent. These methods
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// should be passed pointers of newly created objects, and the
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// instance will take over the memory management from there.
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void addCategory(LLViewerInventoryCategory* category);
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void addItem(LLViewerInventoryItem* item);
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/** Mutators
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** **
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*******************************************************************************/
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/********************************************************************************
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** **
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** CATEGORY ACCOUNTING
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**/
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public:
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// Represents the number of items added or removed from a category.
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struct LLCategoryUpdate
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{
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LLCategoryUpdate() : mDescendentDelta(0) {}
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LLCategoryUpdate(const LLUUID& category_id, S32 delta) :
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mCategoryID(category_id),
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mDescendentDelta(delta) {}
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LLUUID mCategoryID;
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S32 mDescendentDelta;
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};
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typedef std::vector<LLCategoryUpdate> update_list_t;
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// This exists to make it easier to account for deltas in a map.
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struct LLInitializedS32
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{
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LLInitializedS32() : mValue(0) {}
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LLInitializedS32(S32 value) : mValue(value) {}
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S32 mValue;
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LLInitializedS32& operator++() { ++mValue; return *this; }
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LLInitializedS32& operator--() { --mValue; return *this; }
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};
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typedef std::unordered_map<LLUUID, LLInitializedS32> update_map_t;
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// Call when there are category updates. Call them *before* the
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// actual update so the method can do descendent accounting correctly.
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void accountForUpdate(const LLCategoryUpdate& update) const;
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void accountForUpdate(const update_list_t& updates);
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void accountForUpdate(const update_map_t& updates);
|
|
|
|
// Return (yes/no/maybe) child status of category children.
|
|
EHasChildren categoryHasChildren(const LLUUID& cat_id) const;
|
|
|
|
// Returns true iff category version is known and theoretical
|
|
// descendents == actual descendents.
|
|
bool isCategoryComplete(const LLUUID& cat_id) const;
|
|
|
|
/** Category Accounting
|
|
** **
|
|
*******************************************************************************/
|
|
|
|
/********************************************************************************
|
|
** **
|
|
** NOTIFICATIONS
|
|
**/
|
|
|
|
public:
|
|
// Called by the idle loop. Only updates if new state is detected. Call
|
|
// notifyObservers() manually to update regardless of whether state change
|
|
// has been indicated.
|
|
void idleNotifyObservers();
|
|
|
|
// Call to explicitly update everyone on a new state.
|
|
void notifyObservers();
|
|
// Allows outsiders to tell the inventory if something has
|
|
// been changed 'under the hood', but outside the control of the
|
|
// inventory. The next notify will include that notification.
|
|
void addChangedMask(U32 mask, const LLUUID& referent);
|
|
const changed_items_t& getChangedIDs() const { return mChangedItemIDs; }
|
|
const changed_items_t& getAddedIDs() const { return mAddedItemIDs; }
|
|
protected:
|
|
// Updates all linked items pointing to this id.
|
|
void addChangedMaskForLinks(const LLUUID& object_id, U32 mask);
|
|
private:
|
|
// Flag set when notifyObservers is being called, to look for bugs
|
|
// where it's called recursively.
|
|
BOOL mIsNotifyObservers;
|
|
// Variables used to track what has changed since the last notify.
|
|
U32 mModifyMask;
|
|
changed_items_t mChangedItemIDs;
|
|
changed_items_t mAddedItemIDs;
|
|
|
|
|
|
//--------------------------------------------------------------------
|
|
// Observers
|
|
//--------------------------------------------------------------------
|
|
public:
|
|
// If the observer is destroyed, be sure to remove it.
|
|
void addObserver(LLInventoryObserver* observer);
|
|
void removeObserver(LLInventoryObserver* observer);
|
|
BOOL containsObserver(LLInventoryObserver* observer) const;
|
|
private:
|
|
typedef std::set<LLInventoryObserver*> observer_list_t;
|
|
observer_list_t mObservers;
|
|
|
|
/** Notifications
|
|
** **
|
|
*******************************************************************************/
|
|
|
|
|
|
/********************************************************************************
|
|
** **
|
|
** MISCELLANEOUS
|
|
**/
|
|
|
|
//--------------------------------------------------------------------
|
|
// Callbacks
|
|
//--------------------------------------------------------------------
|
|
public:
|
|
// Trigger a notification and empty the folder type (FT_TRASH or FT_LOST_AND_FOUND) if confirmed
|
|
void emptyFolderType(const std::string notification, LLFolderType::EType folder_type);
|
|
bool callbackEmptyFolderType(const LLSD& notification, const LLSD& response, LLFolderType::EType preferred_type);
|
|
static void registerCallbacks(LLMessageSystem* msg);
|
|
|
|
//--------------------------------------------------------------------
|
|
// File I/O
|
|
//--------------------------------------------------------------------
|
|
protected:
|
|
static bool loadFromFile(const std::string& filename,
|
|
cat_array_t& categories,
|
|
item_array_t& items,
|
|
bool& is_cache_obsolete);
|
|
static bool saveToFile(const std::string& filename,
|
|
const cat_array_t& categories,
|
|
const item_array_t& items);
|
|
|
|
//--------------------------------------------------------------------
|
|
// Message handling functionality
|
|
//--------------------------------------------------------------------
|
|
public:
|
|
static void processUpdateCreateInventoryItem(LLMessageSystem* msg, void**);
|
|
static void removeInventoryItem(LLUUID agent_id, LLMessageSystem* msg, const char* msg_label);
|
|
static void processRemoveInventoryItem(LLMessageSystem* msg, void**);
|
|
static void processUpdateInventoryFolder(LLMessageSystem* msg, void**);
|
|
static void removeInventoryFolder(LLUUID agent_id, LLMessageSystem* msg);
|
|
static void processRemoveInventoryFolder(LLMessageSystem* msg, void**);
|
|
static void processRemoveInventoryObjects(LLMessageSystem* msg, void**);
|
|
static void processSaveAssetIntoInventory(LLMessageSystem* msg, void**);
|
|
static void processBulkUpdateInventory(LLMessageSystem* msg, void**);
|
|
static void processInventoryDescendents(LLMessageSystem* msg, void**);
|
|
static void processMoveInventoryItem(LLMessageSystem* msg, void**);
|
|
static void processFetchInventoryReply(LLMessageSystem* msg, void**);
|
|
protected:
|
|
bool messageUpdateCore(LLMessageSystem* msg, bool do_accounting, U32 mask = 0x0);
|
|
|
|
//--------------------------------------------------------------------
|
|
// Locks
|
|
//--------------------------------------------------------------------
|
|
public:
|
|
void lockDirectDescendentArrays(const LLUUID& cat_id,
|
|
cat_array_t*& categories,
|
|
item_array_t*& items);
|
|
void unlockDirectDescendentArrays(const LLUUID& cat_id);
|
|
protected:
|
|
cat_array_t* getUnlockedCatArray(const LLUUID& id);
|
|
item_array_t* getUnlockedItemArray(const LLUUID& id);
|
|
private:
|
|
std::unordered_map<LLUUID, bool> mCategoryLock;
|
|
std::unordered_map<LLUUID, bool> mItemLock;
|
|
|
|
//--------------------------------------------------------------------
|
|
// Debugging
|
|
//--------------------------------------------------------------------
|
|
public:
|
|
void dumpInventory() const;
|
|
bool validate() const;
|
|
|
|
/** Miscellaneous
|
|
** **
|
|
*******************************************************************************/
|
|
};
|
|
|
|
// a special inventory model for the agent
|
|
extern LLInventoryModel gInventory;
|
|
|
|
#endif // LL_LLINVENTORYMODEL_H
|
|
|