146 lines
5.3 KiB
C++
146 lines
5.3 KiB
C++
/**
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* @file llinventorymodelbackgroundfetch.h
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* @brief LLInventoryModelBackgroundFetch 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_LLINVENTORYMODELBACKGROUNDFETCH_H
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#define LL_LLINVENTORYMODELBACKGROUNDFETCH_H
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#include "llsingleton.h"
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#include "lluuid.h"
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#include "httpcommon.h"
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#include "httprequest.h"
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#include "httpoptions.h"
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#include "httpheaders.h"
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#include "httphandler.h"
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Class LLInventoryModelBackgroundFetch
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//
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// This class handles background fetches, which are fetches of
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// inventory folder. Fetches can be recursive or not.
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class LLInventoryModelBackgroundFetch : public LLSingleton<LLInventoryModelBackgroundFetch>
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{
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LLSINGLETON(LLInventoryModelBackgroundFetch);
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~LLInventoryModelBackgroundFetch();
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public:
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// Start background breadth-first fetching of inventory contents.
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// This gets triggered when performing a filter-search.
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void start(const LLUUID& cat_id = LLUUID::null, bool recursive = true);
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void scheduleFolderFetch(const LLUUID& cat_id, bool forced = false);
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void scheduleItemFetch(const LLUUID& item_id, bool forced = false);
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typedef boost::function<void()> nullary_func_t;
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// AIS3 only, Fetches folder and everithing links inside the folder point to
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// Intended for outfits
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void fetchFolderAndLinks(const LLUUID& cat_id, nullary_func_t callback);
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// AIS3 only
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void fetchCOF(nullary_func_t callback);
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bool folderFetchActive() const;
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bool isEverythingFetched() const; // completing the fetch once per session should be sufficient
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bool libraryFetchStarted() const;
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bool libraryFetchCompleted() const;
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bool libraryFetchInProgress() const;
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bool inventoryFetchStarted() const;
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bool inventoryFetchCompleted() const;
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bool inventoryFetchInProgress() const;
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void findLostItems();
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void incrFetchCount(S32 fetching);
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void incrFetchFolderCount(S32 fetching);
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bool isBulkFetchProcessingComplete() const;
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void setAllFoldersFetched();
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typedef boost::function<void()> folders_fetched_callback_t;
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boost::signals2::connection setFetchCompletionCallback(folders_fetched_callback_t cb);
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void addRequestAtFront(const LLUUID & id, bool recursive, bool is_category);
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void addRequestAtBack(const LLUUID & id, bool recursive, bool is_category);
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protected:
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bool isFolderFetchProcessingComplete() const;
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typedef enum {
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FT_DEFAULT = 0,
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FT_FORCED, // request non-recursively even if already loaded
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FT_CONTENT_RECURSIVE, // request content recursively
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FT_FOLDER_AND_CONTENT, // request folder, then content recursively
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FT_RECURSIVE, // request everything recursively
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} EFetchType;
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struct FetchQueueInfo
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{
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FetchQueueInfo(const LLUUID& id, EFetchType recursive, bool is_category = true)
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: mUUID(id),
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mIsCategory(is_category),
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mFetchType(recursive)
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{}
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LLUUID mUUID;
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bool mIsCategory;
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EFetchType mFetchType;
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};
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typedef std::deque<FetchQueueInfo> fetch_queue_t;
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void onAISContentCalback(const LLUUID& request_id, const uuid_vec_t &content_ids, const LLUUID& response_id, EFetchType fetch_type);
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void onAISFolderCalback(const LLUUID &request_id, const LLUUID &response_id, EFetchType fetch_type);
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void bulkFetchViaAis();
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void bulkFetchViaAis(const FetchQueueInfo& fetch_info);
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void bulkFetch();
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void backgroundFetch();
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static void backgroundFetchCB(void*); // background fetch idle function
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bool fetchQueueContainsNoDescendentsOf(const LLUUID& cat_id) const;
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private:
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bool mRecursiveInventoryFetchStarted;
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bool mRecursiveLibraryFetchStarted;
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bool mRecursiveMarketplaceFetchStarted; // AIS3 specific
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bool mAllRecursiveFoldersFetched;
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typedef boost::signals2::signal<void()> folders_fetched_signal_t;
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folders_fetched_signal_t mFoldersFetchedSignal;
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bool mBackgroundFetchActive;
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bool mFolderFetchActive;
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S32 mFetchCount;
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S32 mLastFetchCount; // for debug
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S32 mFetchFolderCount;
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LLFrameTimer mFetchTimer;
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F32 mMinTimeBetweenFetches;
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fetch_queue_t mFetchFolderQueue;
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fetch_queue_t mFetchItemQueue;
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uuid_set_t mForceFetchSet;
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std::list<LLUUID> mExpectedFolderIds; // for debug, should this track time?
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};
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#endif // LL_LLINVENTORYMODELBACKGROUNDFETCH_H
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