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Diffstat (limited to 'indra/newview/llinventorymodelbackgroundfetch.cpp')
| -rw-r--r-- | indra/newview/llinventorymodelbackgroundfetch.cpp | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/indra/newview/llinventorymodelbackgroundfetch.cpp b/indra/newview/llinventorymodelbackgroundfetch.cpp new file mode 100644 index 0000000000..cfbc2c3e05 --- /dev/null +++ b/indra/newview/llinventorymodelbackgroundfetch.cpp @@ -0,0 +1,603 @@ +/** + * @file llinventorymodel.cpp + * @brief Implementation of the inventory model used to track agent inventory. + * + * $LicenseInfo:firstyear=2002&license=viewergpl$ + * + * Copyright (c) 2002-2009, Linden Research, Inc. + * + * Second Life Viewer Source Code + * The source code in this file ("Source Code") is provided by Linden Lab + * to you under the terms of the GNU General Public License, version 2.0 + * ("GPL"), unless you have obtained a separate licensing agreement + * ("Other License"), formally executed by you and Linden Lab. Terms of + * the GPL can be found in doc/GPL-license.txt in this distribution, or + * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * + * There are special exceptions to the terms and conditions of the GPL as + * it is applied to this Source Code. View the full text of the exception + * in the file doc/FLOSS-exception.txt in this software distribution, or + * online at + * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * + * By copying, modifying or distributing this software, you acknowledge + * that you have read and understood your obligations described above, + * and agree to abide by those obligations. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + */ + +#include "llviewerprecompiledheaders.h" +#include "llinventorymodelbackgroundfetch.h" + +// Seraph clean this up +#include "llagent.h" +#include "llinventorypanel.h" +#include "llviewercontrol.h" +#include "llviewermessage.h" +#include "llviewerwindow.h" +#include "llappviewer.h" +#include "llviewerregion.h" +#include "llcallbacklist.h" + +const F32 MAX_TIME_FOR_SINGLE_FETCH = 10.f; +const S32 MAX_FETCH_RETRIES = 10; + +// RN: for some reason, using std::queue in the header file confuses the compiler which thinks it's an xmlrpc_queue +static std::deque<LLUUID> sFetchQueue; +bool fetchQueueContainsNoDescendentsOf(const LLUUID& cat_id) +{ + for (std::deque<LLUUID>::iterator it = sFetchQueue.begin(); + it != sFetchQueue.end(); ++it) + { + const LLUUID& fetch_id = *it; + if (gInventory.isObjectDescendentOf(fetch_id, cat_id)) + return false; + } + return true; +} + + +LLInventoryModelBackgroundFetch::LLInventoryModelBackgroundFetch() : + mBackgroundFetchActive(FALSE), + mAllFoldersFetched(FALSE), + mInventoryFetchStarted(FALSE), + mLibraryFetchStarted(FALSE), + mNumFetchRetries(0), + mMinTimeBetweenFetches(0.3f), + mMaxTimeBetweenFetches(10.f), + mTimelyFetchPending(FALSE), + mBulkFetchCount(0) +{ +} + +LLInventoryModelBackgroundFetch::~LLInventoryModelBackgroundFetch() +{ +} + +bool LLInventoryModelBackgroundFetch::isBulkFetchProcessingComplete() +{ + return sFetchQueue.empty() && mBulkFetchCount<=0; +} + +bool LLInventoryModelBackgroundFetch::libraryFetchStarted() +{ + return mLibraryFetchStarted; +} + +bool LLInventoryModelBackgroundFetch::libraryFetchCompleted() +{ + return libraryFetchStarted() && fetchQueueContainsNoDescendentsOf(gInventory.getLibraryRootFolderID()); +} + +bool LLInventoryModelBackgroundFetch::libraryFetchInProgress() +{ + return libraryFetchStarted() && !libraryFetchCompleted(); +} + +bool LLInventoryModelBackgroundFetch::inventoryFetchStarted() +{ + return mInventoryFetchStarted; +} + +bool LLInventoryModelBackgroundFetch::inventoryFetchCompleted() +{ + return inventoryFetchStarted() && fetchQueueContainsNoDescendentsOf(gInventory.getRootFolderID()); +} + +bool LLInventoryModelBackgroundFetch::inventoryFetchInProgress() +{ + return inventoryFetchStarted() && !inventoryFetchCompleted(); +} + +bool LLInventoryModelBackgroundFetch::isEverythingFetched() +{ + return mAllFoldersFetched; +} + +BOOL LLInventoryModelBackgroundFetch::backgroundFetchActive() +{ + return mBackgroundFetchActive; +} + +void LLInventoryModelBackgroundFetch::start(const LLUUID& cat_id) +{ + if (!mAllFoldersFetched) + { + mBackgroundFetchActive = TRUE; + if (cat_id.isNull()) + { + if (!mInventoryFetchStarted) + { + mInventoryFetchStarted = TRUE; + sFetchQueue.push_back(gInventory.getRootFolderID()); + gIdleCallbacks.addFunction(&LLInventoryModelBackgroundFetch::backgroundFetchCB, NULL); + } + if (!mLibraryFetchStarted) + { + mLibraryFetchStarted = TRUE; + sFetchQueue.push_back(gInventory.getLibraryRootFolderID()); + gIdleCallbacks.addFunction(&LLInventoryModelBackgroundFetch::backgroundFetchCB, NULL); + } + } + else + { + // specific folder requests go to front of queue + if (sFetchQueue.empty() || sFetchQueue.front() != cat_id) + { + sFetchQueue.push_front(cat_id); + gIdleCallbacks.addFunction(&LLInventoryModelBackgroundFetch::backgroundFetchCB, NULL); + } + if (cat_id == gInventory.getLibraryRootFolderID()) + { + mLibraryFetchStarted = TRUE; + } + if (cat_id == gInventory.getRootFolderID()) + { + mInventoryFetchStarted = TRUE; + } + } + } +} + +void LLInventoryModelBackgroundFetch::findLostItems() +{ + mBackgroundFetchActive = TRUE; + sFetchQueue.push_back(LLUUID::null); + gIdleCallbacks.addFunction(&LLInventoryModelBackgroundFetch::backgroundFetchCB, NULL); +} + +void LLInventoryModelBackgroundFetch::stopBackgroundFetch() +{ + if (mBackgroundFetchActive) + { + mBackgroundFetchActive = FALSE; + gIdleCallbacks.deleteFunction(&LLInventoryModelBackgroundFetch::backgroundFetchCB, NULL); + mBulkFetchCount=0; + mMinTimeBetweenFetches=0.0f; + } +} + +void LLInventoryModelBackgroundFetch::setAllFoldersFetched() +{ + if (mInventoryFetchStarted && + mLibraryFetchStarted) + { + mAllFoldersFetched = TRUE; + } + stopBackgroundFetch(); +} + +void LLInventoryModelBackgroundFetch::backgroundFetchCB(void *) +{ + LLInventoryModelBackgroundFetch::instance().backgroundFetch(); +} + +void LLInventoryModelBackgroundFetch::backgroundFetch() +{ + if (mBackgroundFetchActive && gAgent.getRegion()) + { + //If we'll be using the capability, we'll be sending batches and the background thing isn't as important. + std::string url = gAgent.getRegion()->getCapability("WebFetchInventoryDescendents"); + if (!url.empty()) + { + bulkFetch(url); + return; + } + + //DEPRECATED OLD CODE FOLLOWS. + // no more categories to fetch, stop fetch process + if (sFetchQueue.empty()) + { + llinfos << "Inventory fetch completed" << llendl; + + setAllFoldersFetched(); + return; + } + + F32 fast_fetch_time = lerp(mMinTimeBetweenFetches, mMaxTimeBetweenFetches, 0.1f); + F32 slow_fetch_time = lerp(mMinTimeBetweenFetches, mMaxTimeBetweenFetches, 0.5f); + if (mTimelyFetchPending && mFetchTimer.getElapsedTimeF32() > slow_fetch_time) + { + // double timeouts on failure + mMinTimeBetweenFetches = llmin(mMinTimeBetweenFetches * 2.f, 10.f); + mMaxTimeBetweenFetches = llmin(mMaxTimeBetweenFetches * 2.f, 120.f); + llinfos << "Inventory fetch times grown to (" << mMinTimeBetweenFetches << ", " << mMaxTimeBetweenFetches << ")" << llendl; + // fetch is no longer considered "timely" although we will wait for full time-out + mTimelyFetchPending = FALSE; + } + + while(1) + { + if (sFetchQueue.empty()) + { + break; + } + + if(gDisconnected) + { + // just bail if we are disconnected. + break; + } + + LLViewerInventoryCategory* cat = gInventory.getCategory(sFetchQueue.front()); + + // category has been deleted, remove from queue. + if (!cat) + { + sFetchQueue.pop_front(); + continue; + } + + if (mFetchTimer.getElapsedTimeF32() > mMinTimeBetweenFetches && + LLViewerInventoryCategory::VERSION_UNKNOWN == cat->getVersion()) + { + // category exists but has no children yet, fetch the descendants + // for now, just request every time and rely on retry timer to throttle + if (cat->fetch()) + { + mFetchTimer.reset(); + mTimelyFetchPending = TRUE; + } + else + { + // The catagory also tracks if it has expired and here it says it hasn't + // yet. Get out of here because nothing is going to happen until we + // update the timers. + break; + } + } + // do I have all my children? + else if (gInventory.isCategoryComplete(sFetchQueue.front())) + { + // finished with this category, remove from queue + sFetchQueue.pop_front(); + + // add all children to queue + LLInventoryModel::cat_array_t* categories; + LLInventoryModel::item_array_t* items; + gInventory.getDirectDescendentsOf(cat->getUUID(), categories, items); + for (LLInventoryModel::cat_array_t::const_iterator it = categories->begin(); + it != categories->end(); + ++it) + { + sFetchQueue.push_back((*it)->getUUID()); + } + + // we received a response in less than the fast time + if (mTimelyFetchPending && mFetchTimer.getElapsedTimeF32() < fast_fetch_time) + { + // shrink timeouts based on success + mMinTimeBetweenFetches = llmax(mMinTimeBetweenFetches * 0.8f, 0.3f); + mMaxTimeBetweenFetches = llmax(mMaxTimeBetweenFetches * 0.8f, 10.f); + //llinfos << "Inventory fetch times shrunk to (" << mMinTimeBetweenFetches << ", " << mMaxTimeBetweenFetches << ")" << llendl; + } + + mTimelyFetchPending = FALSE; + continue; + } + else if (mFetchTimer.getElapsedTimeF32() > mMaxTimeBetweenFetches) + { + // received first packet, but our num descendants does not match db's num descendants + // so try again later + LLUUID fetch_id = sFetchQueue.front(); + sFetchQueue.pop_front(); + + if (mNumFetchRetries++ < MAX_FETCH_RETRIES) + { + // push on back of queue + sFetchQueue.push_back(fetch_id); + } + mTimelyFetchPending = FALSE; + mFetchTimer.reset(); + break; + } + + // not enough time has elapsed to do a new fetch + break; + } + } +} + +void LLInventoryModelBackgroundFetch::incrBulkFetch(S16 fetching) +{ + mBulkFetchCount += fetching; + if (mBulkFetchCount < 0) + { + mBulkFetchCount = 0; + } +} + + +class LLInventoryModelFetchDescendentsResponder: public LLHTTPClient::Responder +{ + public: + LLInventoryModelFetchDescendentsResponder(const LLSD& request_sd) : mRequestSD(request_sd) {}; + //LLInventoryModelFetchDescendentsResponder() {}; + void result(const LLSD& content); + void error(U32 status, const std::string& reason); + public: + typedef std::vector<LLViewerInventoryCategory*> folder_ref_t; + protected: + LLSD mRequestSD; +}; + +//If we get back a normal response, handle it here +void LLInventoryModelFetchDescendentsResponder::result(const LLSD& content) +{ + if (content.has("folders")) + { + + for(LLSD::array_const_iterator folder_it = content["folders"].beginArray(); + folder_it != content["folders"].endArray(); + ++folder_it) + { + LLSD folder_sd = *folder_it; + + + //LLUUID agent_id = folder_sd["agent_id"]; + + //if(agent_id != gAgent.getID()) //This should never happen. + //{ + // llwarns << "Got a UpdateInventoryItem for the wrong agent." + // << llendl; + // break; + //} + + LLUUID parent_id = folder_sd["folder_id"]; + LLUUID owner_id = folder_sd["owner_id"]; + S32 version = (S32)folder_sd["version"].asInteger(); + S32 descendents = (S32)folder_sd["descendents"].asInteger(); + LLPointer<LLViewerInventoryCategory> tcategory = new LLViewerInventoryCategory(owner_id); + + if (parent_id.isNull()) + { + LLPointer<LLViewerInventoryItem> titem = new LLViewerInventoryItem; + for(LLSD::array_const_iterator item_it = folder_sd["items"].beginArray(); + item_it != folder_sd["items"].endArray(); + ++item_it) + { + const LLUUID lost_uuid = gInventory.findCategoryUUIDForType(LLFolderType::FT_LOST_AND_FOUND); + if (lost_uuid.notNull()) + { + LLSD item = *item_it; + titem->unpackMessage(item); + + LLInventoryModel::update_list_t update; + LLInventoryModel::LLCategoryUpdate new_folder(lost_uuid, 1); + update.push_back(new_folder); + gInventory.accountForUpdate(update); + + titem->setParent(lost_uuid); + titem->updateParentOnServer(FALSE); + gInventory.updateItem(titem); + gInventory.notifyObservers("fetchDescendents"); + + } + } + } + + LLViewerInventoryCategory* pcat = gInventory.getCategory(parent_id); + if (!pcat) + { + continue; + } + + for(LLSD::array_const_iterator category_it = folder_sd["categories"].beginArray(); + category_it != folder_sd["categories"].endArray(); + ++category_it) + { + LLSD category = *category_it; + tcategory->fromLLSD(category); + + if (LLInventoryModelBackgroundFetch::instance().inventoryFetchStarted() || + LLInventoryModelBackgroundFetch::instance().libraryFetchStarted()) + { + sFetchQueue.push_back(tcategory->getUUID()); + } + else if ( !gInventory.isCategoryComplete(tcategory->getUUID()) ) + { + gInventory.updateCategory(tcategory); + } + + } + LLPointer<LLViewerInventoryItem> titem = new LLViewerInventoryItem; + for(LLSD::array_const_iterator item_it = folder_sd["items"].beginArray(); + item_it != folder_sd["items"].endArray(); + ++item_it) + { + LLSD item = *item_it; + titem->unpackMessage(item); + + gInventory.updateItem(titem); + } + + // set version and descendentcount according to message. + LLViewerInventoryCategory* cat = gInventory.getCategory(parent_id); + if(cat) + { + cat->setVersion(version); + cat->setDescendentCount(descendents); + cat->determineFolderType(); + } + + } + } + + if (content.has("bad_folders")) + { + for(LLSD::array_const_iterator folder_it = content["bad_folders"].beginArray(); + folder_it != content["bad_folders"].endArray(); + ++folder_it) + { + LLSD folder_sd = *folder_it; + + //These folders failed on the dataserver. We probably don't want to retry them. + llinfos << "Folder " << folder_sd["folder_id"].asString() + << "Error: " << folder_sd["error"].asString() << llendl; + } + } + + LLInventoryModelBackgroundFetch::instance().incrBulkFetch(-1); + + if (LLInventoryModelBackgroundFetch::instance().isBulkFetchProcessingComplete()) + { + llinfos << "Inventory fetch completed" << llendl; + LLInventoryModelBackgroundFetch::instance().setAllFoldersFetched(); + } + + gInventory.notifyObservers("fetchDescendents"); +} + +//If we get back an error (not found, etc...), handle it here +void LLInventoryModelFetchDescendentsResponder::error(U32 status, const std::string& reason) +{ + llinfos << "LLInventoryModelFetchDescendentsResponder::error " + << status << ": " << reason << llendl; + + LLInventoryModelBackgroundFetch::instance().incrBulkFetch(-1); + + if (status==499) //timed out. Let's be awesome! + { + for(LLSD::array_const_iterator folder_it = mRequestSD["folders"].beginArray(); + folder_it != mRequestSD["folders"].endArray(); + ++folder_it) + { + LLSD folder_sd = *folder_it; + LLUUID folder_id = folder_sd["folder_id"]; + sFetchQueue.push_front(folder_id); + } + } + else + { + if (LLInventoryModelBackgroundFetch::instance().isBulkFetchProcessingComplete()) + { + LLInventoryModelBackgroundFetch::instance().setAllFoldersFetched(); + } + } + gInventory.notifyObservers("fetchDescendents"); +} + +//static Bundle up a bunch of requests to send all at once. +void LLInventoryModelBackgroundFetch::bulkFetch(std::string url) +{ + //Background fetch is called from gIdleCallbacks in a loop until background fetch is stopped. + //If there are items in sFetchQueue, we want to check the time since the last bulkFetch was + //sent. If it exceeds our retry time, go ahead and fire off another batch. + //Stopbackgroundfetch will be run from the Responder instead of here. + + S16 max_concurrent_fetches=8; + F32 new_min_time = 0.5f; //HACK! Clean this up when old code goes away entirely. + if (mMinTimeBetweenFetches < new_min_time) + { + mMinTimeBetweenFetches=new_min_time; //HACK! See above. + } + + if (gDisconnected || + (mBulkFetchCount > max_concurrent_fetches) || + (mFetchTimer.getElapsedTimeF32() < mMinTimeBetweenFetches)) + { + return; // just bail if we are disconnected. + } + + U32 folder_count=0; + U32 max_batch_size=5; + + U32 sort_order = gSavedSettings.getU32(LLInventoryPanel::DEFAULT_SORT_ORDER) & 0x1; + + LLSD body; + LLSD body_lib; + while (!(sFetchQueue.empty()) && (folder_count < max_batch_size)) + { + if (sFetchQueue.front().isNull()) //DEV-17797 + { + LLSD folder_sd; + folder_sd["folder_id"] = LLUUID::null.asString(); + folder_sd["owner_id"] = gAgent.getID(); + folder_sd["sort_order"] = (LLSD::Integer)sort_order; + folder_sd["fetch_folders"] = (LLSD::Boolean)FALSE; + folder_sd["fetch_items"] = (LLSD::Boolean)TRUE; + body["folders"].append(folder_sd); + folder_count++; + } + else + { + LLViewerInventoryCategory* cat = gInventory.getCategory(sFetchQueue.front()); + + if (cat) + { + if (LLViewerInventoryCategory::VERSION_UNKNOWN == cat->getVersion()) + { + LLSD folder_sd; + folder_sd["folder_id"] = cat->getUUID(); + folder_sd["owner_id"] = cat->getOwnerID(); + folder_sd["sort_order"] = (LLSD::Integer)sort_order; + folder_sd["fetch_folders"] = TRUE; //(LLSD::Boolean)sFullFetchStarted; + folder_sd["fetch_items"] = (LLSD::Boolean)TRUE; + + if (ALEXANDRIA_LINDEN_ID == cat->getOwnerID()) + body_lib["folders"].append(folder_sd); + else + body["folders"].append(folder_sd); + folder_count++; + } + if (mInventoryFetchStarted || mLibraryFetchStarted) + { //Already have this folder but append child folders to list. + // add all children to queue + LLInventoryModel::cat_array_t* categories; + LLInventoryModel::item_array_t* items; + gInventory.getDirectDescendentsOf(cat->getUUID(), categories, items); + for (LLInventoryModel::cat_array_t::const_iterator it = categories->begin(); + it != categories->end(); + ++it) + { + sFetchQueue.push_back((*it)->getUUID()); + } + } + } + } + sFetchQueue.pop_front(); + } + + if (folder_count > 0) + { + mBulkFetchCount++; + if (body["folders"].size()) + { + LLHTTPClient::post(url, body, new LLInventoryModelFetchDescendentsResponder(body),300.0); + } + if (body_lib["folders"].size()) + { + std::string url_lib = gAgent.getRegion()->getCapability("FetchLibDescendents"); + LLHTTPClient::post(url_lib, body_lib, new LLInventoryModelFetchDescendentsResponder(body_lib),300.0); + } + mFetchTimer.reset(); + } + else if (isBulkFetchProcessingComplete()) + { + setAllFoldersFetched(); + } +} |