diff options
Diffstat (limited to 'indra/llmessage/llavatarnamecache.cpp')
-rwxr-xr-x[-rw-r--r--] | indra/llmessage/llavatarnamecache.cpp | 316 |
1 files changed, 126 insertions, 190 deletions
diff --git a/indra/llmessage/llavatarnamecache.cpp b/indra/llmessage/llavatarnamecache.cpp index 32d9d8bfc3..9a68093427 100644..100755 --- a/indra/llmessage/llavatarnamecache.cpp +++ b/indra/llmessage/llavatarnamecache.cpp @@ -43,26 +43,26 @@ namespace LLAvatarNameCache { use_display_name_signal_t mUseDisplayNamesSignal; - // Manual override for display names - can disable even if the region - // supports it. - bool sUseDisplayNames = true; - // Cache starts in a paused state until we can determine if the // current region supports display names. bool sRunning = false; + // Use the People API (modern) for fetching name if true. Use the old legacy protocol if false. + // For testing, there's a UsePeopleAPI setting that can be flipped (must restart viewer). + bool sUsePeopleAPI = true; + // Base lookup URL for name service. // On simulator, loaded from indra.xml // On viewer, usually a simulator capability (at People API team's request) // Includes the trailing slash, like "http://pdp60.lindenlab.com:8000/agents/" std::string sNameLookupURL; - // accumulated agent IDs for next query against service + // Accumulated agent IDs for next query against service typedef std::set<LLUUID> ask_queue_t; ask_queue_t sAskQueue; - // agent IDs that have been requested, but with no reply - // maps agent ID to frame time request was made + // Agent IDs that have been requested, but with no reply. + // Maps agent ID to frame time request was made. typedef std::map<LLUUID, F64> pending_queue_t; pending_queue_t sPendingQueue; @@ -73,21 +73,21 @@ namespace LLAvatarNameCache typedef std::map<LLUUID, callback_signal_t*> signal_map_t; signal_map_t sSignalMap; - // names we know about + // The cache at last, i.e. avatar names we know about. typedef std::map<LLUUID, LLAvatarName> cache_t; cache_t sCache; - // Send bulk lookup requests a few times a second at most - // only need per-frame timing resolution + // Send bulk lookup requests a few times a second at most. + // Only need per-frame timing resolution. LLFrameTimer sRequestTimer; - /// Maximum time an unrefreshed cache entry is allowed + // Maximum time an unrefreshed cache entry is allowed. const F64 MAX_UNREFRESHED_TIME = 20.0 * 60.0; - /// Time when unrefreshed cached names were checked last + // Time when unrefreshed cached names were checked last. static F64 sLastExpireCheck; - /// Time-to-live for a temp cache entry. + // Time-to-live for a temp cache entry. const F64 TEMP_CACHE_ENTRY_LIFETIME = 60.0; //----------------------------------------------------------------------- @@ -95,26 +95,21 @@ namespace LLAvatarNameCache //----------------------------------------------------------------------- // Handle name response off network. - // Optionally skip adding to cache, used when this is a fallback to the - // legacy name system. void processName(const LLUUID& agent_id, - const LLAvatarName& av_name, - bool add_to_cache); + const LLAvatarName& av_name); void requestNamesViaCapability(); - // Legacy name system callback + // Legacy name system callbacks void legacyNameCallback(const LLUUID& agent_id, const std::string& full_name, - bool is_group - ); - + bool is_group); + void legacyNameFetch(const LLUUID& agent_id, + const std::string& full_name, + bool is_group); + void requestNamesViaLegacy(); - // Fill in an LLAvatarName with the legacy name data - void buildLegacyName(const std::string& full_name, - LLAvatarName* av_name); - // Do a single callback to a given slot void fireSignal(const LLUUID& agent_id, const callback_slot_t& slot, @@ -209,20 +204,11 @@ public: // Use expiration time from header av_name.mExpires = expires; - // Some avatars don't have explicit display names set - if (av_name.mDisplayName.empty()) - { - av_name.mDisplayName = av_name.mUsername; - } - - LL_DEBUGS("AvNameCache") << "LLAvatarNameResponder::result for " << agent_id << " " - << "user '" << av_name.mUsername << "' " - << "display '" << av_name.mDisplayName << "' " - << "expires in " << expires - now << " seconds" - << LL_ENDL; + LL_DEBUGS("AvNameCache") << "LLAvatarNameResponder::result for " << agent_id << LL_ENDL; + av_name.dump(); // cache it and fire signals - LLAvatarNameCache::processName(agent_id, av_name, true); + LLAvatarNameCache::processName(agent_id, av_name); } // Same logic as error response case @@ -279,40 +265,34 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id) LL_WARNS("AvNameCache") << "LLAvatarNameCache get legacy for agent " << agent_id << LL_ENDL; gCacheName->get(agent_id, false, // legacy compatibility - boost::bind(&LLAvatarNameCache::legacyNameCallback, - _1, _2, _3)); + boost::bind(&LLAvatarNameCache::legacyNameFetch, _1, _2, _3)); } else { - // we have a chached (but probably expired) entry - since that would have + // we have a cached (but probably expired) entry - since that would have // been returned by the get method, there is no need to signal anyone // Clear this agent from the pending list LLAvatarNameCache::sPendingQueue.erase(agent_id); LLAvatarName& av_name = existing->second; - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache use cache for agent " - << agent_id - << "user '" << av_name.mUsername << "' " - << "display '" << av_name.mDisplayName << "' " - << "expires in " << av_name.mExpires - LLFrameTimer::getTotalSeconds() << " seconds" - << LL_ENDL; - av_name.mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME; // reset expiry time so we don't constantly rerequest. + LL_DEBUGS("AvNameCache") << "LLAvatarNameCache use cache for agent " << agent_id << LL_ENDL; + av_name.dump(); + + // Reset expiry time so we don't constantly rerequest. + av_name.setExpires(TEMP_CACHE_ENTRY_LIFETIME); } } -void LLAvatarNameCache::processName(const LLUUID& agent_id, - const LLAvatarName& av_name, - bool add_to_cache) +void LLAvatarNameCache::processName(const LLUUID& agent_id, const LLAvatarName& av_name) { - if (add_to_cache) - { - sCache[agent_id] = av_name; - } + // Add to the cache + sCache[agent_id] = av_name; + // Suppress request from the queue sPendingQueue.erase(agent_id); - // signal everyone waiting on this name + // Signal everyone waiting on this name signal_map_t::iterator sig_it = sSignalMap.find(agent_id); if (sig_it != sSignalMap.end()) { @@ -334,8 +314,9 @@ void LLAvatarNameCache::requestNamesViaCapability() // http://pdp60.lindenlab.com:8000/agents/?ids=3941037e-78ab-45f0-b421-bd6e77c1804d&ids=0012809d-7d2d-4c24-9609-af1230a37715&ids=0019aaba-24af-4f0a-aa72-6457953cf7f0 // // Apache can handle URLs of 4096 chars, but let's be conservative - const U32 NAME_URL_MAX = 4096; - const U32 NAME_URL_SEND_THRESHOLD = 3000; + static const U32 NAME_URL_MAX = 4096; + static const U32 NAME_URL_SEND_THRESHOLD = 3500; + std::string url; url.reserve(NAME_URL_MAX); @@ -343,10 +324,12 @@ void LLAvatarNameCache::requestNamesViaCapability() agent_ids.reserve(128); U32 ids = 0; - ask_queue_t::const_iterator it = sAskQueue.begin(); - for ( ; it != sAskQueue.end(); ++it) + ask_queue_t::const_iterator it; + while(!sAskQueue.empty()) { - const LLUUID& agent_id = *it; + it = sAskQueue.begin(); + LLUUID agent_id = *it; + sAskQueue.erase(it); if (url.empty()) { @@ -369,59 +352,63 @@ void LLAvatarNameCache::requestNamesViaCapability() if (url.size() > NAME_URL_SEND_THRESHOLD) { - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability first " - << ids << " ids" - << LL_ENDL; - LLHTTPClient::get(url, new LLAvatarNameResponder(agent_ids)); - url.clear(); - agent_ids.clear(); + break; } } if (!url.empty()) { - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability all " + LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability requested " << ids << " ids" << LL_ENDL; LLHTTPClient::get(url, new LLAvatarNameResponder(agent_ids)); - url.clear(); - agent_ids.clear(); } - - // We've moved all asks to the pending request queue - sAskQueue.clear(); } void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id, const std::string& full_name, bool is_group) { - // Construct a dummy record for this name. By convention, SLID is blank - // Never expires, but not written to disk, so lasts until end of session. - LLAvatarName av_name; - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::legacyNameCallback " - << "agent " << agent_id << " " + // Put the received data in the cache + legacyNameFetch(agent_id, full_name, is_group); + + // Retrieve the name and set it to never (or almost never...) expire: when we are using the legacy + // protocol, we do not get an expiration date for each name and there's no reason to ask the + // data again and again so we set the expiration time to the largest value admissible. + std::map<LLUUID,LLAvatarName>::iterator av_record = sCache.find(agent_id); + LLAvatarName& av_name = av_record->second; + av_name.setExpires(MAX_UNREFRESHED_TIME); +} + +void LLAvatarNameCache::legacyNameFetch(const LLUUID& agent_id, + const std::string& full_name, + bool is_group) +{ + LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::legacyNameFetch " + << "agent " << agent_id << " " << "full name '" << full_name << "'" - << ( is_group ? " [group]" : "" ) - << LL_ENDL; - buildLegacyName(full_name, &av_name); - - // Add to cache, because if we don't we'll keep rerequesting the - // same record forever. buildLegacyName should always guarantee - // that these records expire reasonably soon - // (in TEMP_CACHE_ENTRY_LIFETIME seconds), so if the failure was due - // to something temporary we will eventually request and get the right data. - processName(agent_id, av_name, true); + << ( is_group ? " [group]" : "" ) + << LL_ENDL; + + // Construct an av_name record from this name. + LLAvatarName av_name; + av_name.fromString(full_name); + + // Add to cache: we're still using the new cache even if we're using the old (legacy) protocol. + processName(agent_id, av_name); } void LLAvatarNameCache::requestNamesViaLegacy() { + static const S32 MAX_REQUESTS = 100; F64 now = LLFrameTimer::getTotalSeconds(); std::string full_name; - ask_queue_t::const_iterator it = sAskQueue.begin(); - for (; it != sAskQueue.end(); ++it) + ask_queue_t::const_iterator it; + for (S32 requests = 0; !sAskQueue.empty() && requests < MAX_REQUESTS; ++requests) { - const LLUUID& agent_id = *it; + it = sAskQueue.begin(); + LLUUID agent_id = *it; + sAskQueue.erase(it); // Mark as pending first, just in case the callback is immediately // invoked below. This should never happen in practice. @@ -430,29 +417,28 @@ void LLAvatarNameCache::requestNamesViaLegacy() LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaLegacy agent " << agent_id << LL_ENDL; gCacheName->get(agent_id, false, // legacy compatibility - boost::bind(&LLAvatarNameCache::legacyNameCallback, - _1, _2, _3)); + boost::bind(&LLAvatarNameCache::legacyNameCallback, _1, _2, _3)); } - - // We've either answered immediately or moved all asks to the - // pending queue - sAskQueue.clear(); } -void LLAvatarNameCache::initClass(bool running) +void LLAvatarNameCache::initClass(bool running, bool usePeopleAPI) { sRunning = running; + sUsePeopleAPI = usePeopleAPI; } void LLAvatarNameCache::cleanupClass() { + sCache.clear(); } void LLAvatarNameCache::importFile(std::istream& istr) { LLSD data; - S32 parse_count = LLSDSerialize::fromXMLDocument(data, istr); - if (parse_count < 1) return; + if (LLSDParser::PARSE_FAILURE == LLSDSerialize::fromXMLDocument(data, istr)) + { + return; + } // by convention LLSD storage is a map // we only store one entry in the map @@ -484,7 +470,7 @@ void LLAvatarNameCache::exportFile(std::ostream& ostr) const LLUUID& agent_id = it->first; const LLAvatarName& av_name = it->second; // Do not write temporary or expired entries to the stored cache - if (!av_name.mIsTemporaryName && av_name.mExpires >= max_unrefreshed) + if (av_name.isValidName(max_unrefreshed)) { // key must be a string agents[agent_id.asString()] = av_name.asLLSD(); @@ -505,6 +491,11 @@ bool LLAvatarNameCache::hasNameLookupURL() return !sNameLookupURL.empty(); } +bool LLAvatarNameCache::usePeopleAPI() +{ + return hasNameLookupURL() && sUsePeopleAPI; +} + void LLAvatarNameCache::idle() { // By convention, start running at first idle() call @@ -513,25 +504,30 @@ void LLAvatarNameCache::idle() // *TODO: Possibly re-enabled this based on People API load measurements // 100 ms is the threshold for "user speed" operations, so we can // stall for about that long to batch up requests. - //const F32 SECS_BETWEEN_REQUESTS = 0.1f; - //if (!sRequestTimer.checkExpirationAndReset(SECS_BETWEEN_REQUESTS)) - //{ - // return; - //} + const F32 SECS_BETWEEN_REQUESTS = 0.1f; + if (!sRequestTimer.hasExpired()) + { + return; + } if (!sAskQueue.empty()) { - if (useDisplayNames()) + if (usePeopleAPI()) { requestNamesViaCapability(); } else { - // ...fall back to legacy name cache system requestNamesViaLegacy(); } } + if (sAskQueue.empty()) + { + // cleared the list, reset the request timer. + sRequestTimer.resetWithExpiry(SECS_BETWEEN_REQUESTS); + } + // erase anything that has not been refreshed for more than MAX_UNREFRESHED_TIME eraseUnrefreshed(); } @@ -565,9 +561,8 @@ void LLAvatarNameCache::eraseUnrefreshed() const LLAvatarName& av_name = it->second; if (av_name.mExpires < max_unrefreshed) { - const LLUUID& agent_id = it->first; - LL_DEBUGS("AvNameCache") << agent_id - << " user '" << av_name.mUsername << "' " + LL_DEBUGS("AvNameCache") << it->first + << " user '" << av_name.getAccountName() << "' " << "expired " << now - av_name.mExpires << " secs ago" << LL_ENDL; sCache.erase(it++); @@ -581,20 +576,6 @@ void LLAvatarNameCache::eraseUnrefreshed() } } -void LLAvatarNameCache::buildLegacyName(const std::string& full_name, - LLAvatarName* av_name) -{ - llassert(av_name); - av_name->mUsername = ""; - av_name->mDisplayName = full_name; - av_name->mIsDisplayNameDefault = true; - av_name->mIsTemporaryName = true; - av_name->mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME; - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::buildLegacyName " - << full_name - << LL_ENDL; -} - // fills in av_name if it has it in the cache, even if expired (can check expiry time) // returns bool specifying if av_name was filled, false otherwise bool LLAvatarNameCache::get(const LLUUID& agent_id, LLAvatarName *av_name) @@ -602,38 +583,24 @@ bool LLAvatarNameCache::get(const LLUUID& agent_id, LLAvatarName *av_name) if (sRunning) { // ...only do immediate lookups when cache is running - if (useDisplayNames()) + std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id); + if (it != sCache.end()) { - // ...use display names cache - std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id); - if (it != sCache.end()) - { - *av_name = it->second; + *av_name = it->second; - // re-request name if entry is expired - if (av_name->mExpires < LLFrameTimer::getTotalSeconds()) + // re-request name if entry is expired + if (av_name->mExpires < LLFrameTimer::getTotalSeconds()) + { + if (!isRequestPending(agent_id)) { - if (!isRequestPending(agent_id)) - { - LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::get " - << "refresh agent " << agent_id - << LL_ENDL; - sAskQueue.insert(agent_id); - } + LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::get " + << "refresh agent " << agent_id + << LL_ENDL; + sAskQueue.insert(agent_id); } - - return true; - } - } - else - { - // ...use legacy names cache - std::string full_name; - if (gCacheName->getFullName(agent_id, full_name)) - { - buildLegacyName(full_name, av_name); - return true; } + + return true; } } @@ -664,30 +631,14 @@ LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& ag if (sRunning) { // ...only do immediate lookups when cache is running - if (useDisplayNames()) + std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id); + if (it != sCache.end()) { - // ...use new cache - std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id); - if (it != sCache.end()) - { - const LLAvatarName& av_name = it->second; - - if (av_name.mExpires > LLFrameTimer::getTotalSeconds()) - { - // ...name already exists in cache, fire callback now - fireSignal(agent_id, slot, av_name); - return connection; - } - } - } - else - { - // ...use old name system - std::string full_name; - if (gCacheName->getFullName(agent_id, full_name)) + const LLAvatarName& av_name = it->second; + + if (av_name.mExpires > LLFrameTimer::getTotalSeconds()) { - LLAvatarName av_name; - buildLegacyName(full_name, &av_name); + // ...name already exists in cache, fire callback now fireSignal(agent_id, slot, av_name); return connection; } @@ -722,33 +673,18 @@ LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& ag void LLAvatarNameCache::setUseDisplayNames(bool use) { - if (use != sUseDisplayNames) + if (use != LLAvatarName::useDisplayNames()) { - sUseDisplayNames = use; - // flush our cache - sCache.clear(); - + LLAvatarName::setUseDisplayNames(use); mUseDisplayNamesSignal(); } } -bool LLAvatarNameCache::useDisplayNames() -{ - // Must be both manually set on and able to look up names. - return sUseDisplayNames && !sNameLookupURL.empty(); -} - void LLAvatarNameCache::erase(const LLUUID& agent_id) { sCache.erase(agent_id); } -void LLAvatarNameCache::fetch(const LLUUID& agent_id) -{ - // re-request, even if request is already pending - sAskQueue.insert(agent_id); -} - void LLAvatarNameCache::insert(const LLUUID& agent_id, const LLAvatarName& av_name) { // *TODO: update timestamp if zero? |