diff options
Diffstat (limited to 'indra/llmessage/llavatarnamecache.cpp')
-rw-r--r-- | indra/llmessage/llavatarnamecache.cpp | 281 |
1 files changed, 111 insertions, 170 deletions
diff --git a/indra/llmessage/llavatarnamecache.cpp b/indra/llmessage/llavatarnamecache.cpp index ba1a2a035e..6a287f0cc5 100644 --- a/indra/llmessage/llavatarnamecache.cpp +++ b/indra/llmessage/llavatarnamecache.cpp @@ -49,101 +49,22 @@ #include <map> #include <set> -namespace LLAvatarNameCache -{ - use_display_name_signal_t mUseDisplayNamesSignal; - - // 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 - 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. - typedef std::map<LLUUID, F64> pending_queue_t; - pending_queue_t sPendingQueue; - - // Callbacks to fire when we received a name. - // May have multiple callbacks for a single ID, which are - // represented as multiple slots bound to the signal. - // Avoid copying signals via pointers. - typedef std::map<LLUUID, callback_signal_t*> signal_map_t; - signal_map_t sSignalMap; - - // 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. - LLFrameTimer sRequestTimer; - - // 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. - static F64 sLastExpireCheck; - - // Time-to-live for a temp cache entry. - const F64 TEMP_CACHE_ENTRY_LIFETIME = 60.0; - - LLCore::HttpRequest::ptr_t sHttpRequest; - LLCore::HttpHeaders::ptr_t sHttpHeaders; - LLCore::HttpOptions::ptr_t sHttpOptions; - LLCore::HttpRequest::policy_t sHttpPolicy; - LLCore::HttpRequest::priority_t sHttpPriority; - - //----------------------------------------------------------------------- - // Internal methods - //----------------------------------------------------------------------- - - // Handle name response off network. - void processName(const LLUUID& agent_id, - const LLAvatarName& av_name); - - void requestNamesViaCapability(); - - // Legacy name system callbacks - void legacyNameCallback(const LLUUID& agent_id, - const std::string& full_name, - bool is_group); - void legacyNameFetch(const LLUUID& agent_id, - const std::string& full_name, - bool is_group); - - void requestNamesViaLegacy(); - - // Do a single callback to a given slot - void fireSignal(const LLUUID& agent_id, - const callback_slot_t& slot, - const LLAvatarName& av_name); - - // Is a request in-flight over the network? - bool isRequestPending(const LLUUID& agent_id); - // Erase expired names from cache - void eraseUnrefreshed(); +// Time-to-live for a temp cache entry. +const F64 TEMP_CACHE_ENTRY_LIFETIME = 60.0; +// Maximum time an unrefreshed cache entry is allowed. +const F64 MAX_UNREFRESHED_TIME = 20.0 * 60.0; - bool expirationFromCacheControl(const LLSD& headers, F64 *expires); +// Send bulk lookup requests a few times a second at most. +// Only need per-frame timing resolution. +static LLFrameTimer sRequestTimer; - // This is a coroutine. - void requestAvatarNameCache_(std::string url, std::vector<LLUUID> agentIds); - - void handleAvNameCacheSuccess(const LLSD &data, const LLSD &httpResult); -} +// static to avoid unnessesary dependencies +LLCore::HttpRequest::ptr_t sHttpRequest; +LLCore::HttpHeaders::ptr_t sHttpHeaders; +LLCore::HttpOptions::ptr_t sHttpOptions; +LLCore::HttpRequest::policy_t sHttpPolicy; +LLCore::HttpRequest::priority_t sHttpPriority; /* Sample response: <?xml version="1.0"?> @@ -187,6 +108,30 @@ namespace LLAvatarNameCache // Coroutine for sending and processing avatar name cache requests. // Do not call directly. See documentation in lleventcoro.h and llcoro.h for // further explanation. + +LLAvatarNameCache::LLAvatarNameCache() +{ + // Will be set to running later + // For now fail immediate lookups and query async ones. + mRunning = false; + + mUsePeopleAPI = true; + + sHttpRequest = LLCore::HttpRequest::ptr_t(new LLCore::HttpRequest()); + sHttpHeaders = LLCore::HttpHeaders::ptr_t(new LLCore::HttpHeaders()); + sHttpOptions = LLCore::HttpOptions::ptr_t(new LLCore::HttpOptions()); + sHttpPolicy = LLCore::HttpRequest::DEFAULT_POLICY_ID; + sHttpPriority = 0; +} + +LLAvatarNameCache::~LLAvatarNameCache() +{ + sHttpRequest.reset(); + sHttpHeaders.reset(); + sHttpOptions.reset(); + mCache.clear(); +} + void LLAvatarNameCache::requestAvatarNameCache_(std::string url, std::vector<LLUUID> agentIds) { LL_DEBUGS("AvNameCache") << "Entering coroutine " << LLCoros::instance().getName() @@ -205,7 +150,7 @@ void LLAvatarNameCache::requestAvatarNameCache_(std::string url, std::vector<LLU { bool success = true; - LLCoreHttpUtil::HttpCoroutineAdapter httpAdapter("NameCache", LLAvatarNameCache::sHttpPolicy); + LLCoreHttpUtil::HttpCoroutineAdapter httpAdapter("NameCache", sHttpPolicy); LLSD results = httpAdapter.getAndSuspend(sHttpRequest, url); LL_DEBUGS() << results << LL_ENDL; @@ -233,12 +178,12 @@ void LLAvatarNameCache::requestAvatarNameCache_(std::string url, std::vector<LLU for ( ; it != agentIds.end(); ++it) { const LLUUID& agent_id = *it; - LLAvatarNameCache::handleAgentError(agent_id); + LLAvatarNameCache::getInstance()->handleAgentError(agent_id); } return; } - LLAvatarNameCache::handleAvNameCacheSuccess(results, httpResults); + LLAvatarNameCache::getInstance()->handleAvNameCacheSuccess(results, httpResults); } catch (...) @@ -300,15 +245,15 @@ void LLAvatarNameCache::handleAvNameCacheSuccess(const LLSD &data, const LLSD &h } } LL_DEBUGS("AvNameCache") << "LLAvatarNameResponder::result " - << LLAvatarNameCache::sCache.size() << " cached names" + << LLAvatarNameCache::mCache.size() << " cached names" << LL_ENDL; } // Provide some fallback for agents that return errors void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id) { - std::map<LLUUID,LLAvatarName>::iterator existing = sCache.find(agent_id); - if (existing == sCache.end()) + std::map<LLUUID,LLAvatarName>::iterator existing = mCache.find(agent_id); + if (existing == mCache.end()) { // there is no existing cache entry, so make a temporary name from legacy LL_WARNS("AvNameCache") << "LLAvatarNameCache get legacy for agent " @@ -322,7 +267,7 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id) // 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); + LLAvatarNameCache::mPendingQueue.erase(agent_id); LLAvatarName& av_name = existing->second; LL_DEBUGS("AvNameCache") << "LLAvatarNameCache use cache for agent " << agent_id << LL_ENDL; @@ -341,19 +286,19 @@ void LLAvatarNameCache::processName(const LLUUID& agent_id, const LLAvatarName& } // Add to the cache - sCache[agent_id] = av_name; + mCache[agent_id] = av_name; // Suppress request from the queue - sPendingQueue.erase(agent_id); + mPendingQueue.erase(agent_id); // Signal everyone waiting on this name - signal_map_t::iterator sig_it = sSignalMap.find(agent_id); - if (sig_it != sSignalMap.end()) + signal_map_t::iterator sig_it = mSignalMap.find(agent_id); + if (sig_it != mSignalMap.end()) { callback_signal_t* signal = sig_it->second; (*signal)(agent_id, av_name); - sSignalMap.erase(agent_id); + mSignalMap.erase(agent_id); delete signal; signal = NULL; @@ -379,16 +324,16 @@ void LLAvatarNameCache::requestNamesViaCapability() U32 ids = 0; ask_queue_t::const_iterator it; - while(!sAskQueue.empty()) + while(!mAskQueue.empty()) { - it = sAskQueue.begin(); + it = mAskQueue.begin(); LLUUID agent_id = *it; - sAskQueue.erase(it); + mAskQueue.erase(it); if (url.empty()) { // ...starting new request - url += sNameLookupURL; + url += mNameLookupURL; url += "?ids="; ids = 1; } @@ -402,7 +347,7 @@ void LLAvatarNameCache::requestNamesViaCapability() agent_ids.push_back(agent_id); // mark request as pending - sPendingQueue[agent_id] = now; + mPendingQueue[agent_id] = now; if (url.size() > NAME_URL_SEND_THRESHOLD) { @@ -432,7 +377,7 @@ void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id, // 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); + std::map<LLUUID,LLAvatarName>::iterator av_record = LLAvatarNameCache::getInstance()->mCache.find(agent_id); LLAvatarName& av_name = av_record->second; av_name.setExpires(MAX_UNREFRESHED_TIME); } @@ -451,7 +396,7 @@ void LLAvatarNameCache::legacyNameFetch(const LLUUID& agent_id, 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); + LLAvatarNameCache::getInstance()->processName(agent_id, av_name); } void LLAvatarNameCache::requestNamesViaLegacy() @@ -460,15 +405,15 @@ void LLAvatarNameCache::requestNamesViaLegacy() F64 now = LLFrameTimer::getTotalSeconds(); std::string full_name; ask_queue_t::const_iterator it; - for (S32 requests = 0; !sAskQueue.empty() && requests < MAX_REQUESTS; ++requests) + for (S32 requests = 0; !mAskQueue.empty() && requests < MAX_REQUESTS; ++requests) { - it = sAskQueue.begin(); + it = mAskQueue.begin(); LLUUID agent_id = *it; - sAskQueue.erase(it); + mAskQueue.erase(it); // Mark as pending first, just in case the callback is immediately // invoked below. This should never happen in practice. - sPendingQueue[agent_id] = now; + mPendingQueue[agent_id] = now; LL_DEBUGS("AvNameCache") << "agent " << agent_id << LL_ENDL; @@ -477,26 +422,6 @@ void LLAvatarNameCache::requestNamesViaLegacy() } } -void LLAvatarNameCache::initClass(bool running, bool usePeopleAPI) -{ - sRunning = running; - sUsePeopleAPI = usePeopleAPI; - - sHttpRequest = LLCore::HttpRequest::ptr_t(new LLCore::HttpRequest()); - sHttpHeaders = LLCore::HttpHeaders::ptr_t(new LLCore::HttpHeaders()); - sHttpOptions = LLCore::HttpOptions::ptr_t(new LLCore::HttpOptions()); - sHttpPolicy = LLCore::HttpRequest::DEFAULT_POLICY_ID; - sHttpPriority = 0; -} - -void LLAvatarNameCache::cleanupClass() -{ - sHttpRequest.reset(); - sHttpHeaders.reset(); - sHttpOptions.reset(); - sCache.clear(); -} - bool LLAvatarNameCache::importFile(std::istream& istr) { LLSD data; @@ -517,9 +442,9 @@ bool LLAvatarNameCache::importFile(std::istream& istr) { agent_id.set(it->first); av_name.fromLLSD( it->second ); - sCache[agent_id] = av_name; + mCache[agent_id] = av_name; } - LL_INFOS("AvNameCache") << "LLAvatarNameCache loaded " << sCache.size() << LL_ENDL; + LL_INFOS("AvNameCache") << "LLAvatarNameCache loaded " << mCache.size() << LL_ENDL; // Some entries may have expired since the cache was stored, // but they will be flushed in the first call to eraseUnrefreshed // from LLAvatarNameResponder::idle @@ -531,9 +456,9 @@ void LLAvatarNameCache::exportFile(std::ostream& ostr) { LLSD agents; F64 max_unrefreshed = LLFrameTimer::getTotalSeconds() - MAX_UNREFRESHED_TIME; - LL_INFOS("AvNameCache") << "LLAvatarNameCache at exit cache has " << sCache.size() << LL_ENDL; - cache_t::const_iterator it = sCache.begin(); - for ( ; it != sCache.end(); ++it) + LL_INFOS("AvNameCache") << "LLAvatarNameCache at exit cache has " << mCache.size() << LL_ENDL; + cache_t::const_iterator it = mCache.begin(); + for ( ; it != mCache.end(); ++it) { const LLUUID& agent_id = it->first; const LLAvatarName& av_name = it->second; @@ -552,23 +477,28 @@ void LLAvatarNameCache::exportFile(std::ostream& ostr) void LLAvatarNameCache::setNameLookupURL(const std::string& name_lookup_url) { - sNameLookupURL = name_lookup_url; + mNameLookupURL = name_lookup_url; } bool LLAvatarNameCache::hasNameLookupURL() { - return !sNameLookupURL.empty(); + return !mNameLookupURL.empty(); +} + +void LLAvatarNameCache::setUsePeopleAPI(bool use_api) +{ + mUsePeopleAPI = use_api; } bool LLAvatarNameCache::usePeopleAPI() { - return hasNameLookupURL() && sUsePeopleAPI; + return hasNameLookupURL() && mUsePeopleAPI; } void LLAvatarNameCache::idle() { // By convention, start running at first idle() call - sRunning = true; + mRunning = true; // *TODO: Possibly re-enabled this based on People API load measurements // 100 ms is the threshold for "user speed" operations, so we can @@ -579,7 +509,7 @@ void LLAvatarNameCache::idle() return; } - if (!sAskQueue.empty()) + if (!mAskQueue.empty()) { if (usePeopleAPI()) { @@ -592,7 +522,7 @@ void LLAvatarNameCache::idle() } } - if (sAskQueue.empty()) + if (mAskQueue.empty()) { // cleared the list, reset the request timer. sRequestTimer.resetWithExpiry(SECS_BETWEEN_REQUESTS); @@ -607,8 +537,8 @@ bool LLAvatarNameCache::isRequestPending(const LLUUID& agent_id) bool isPending = false; const F64 PENDING_TIMEOUT_SECS = 5.0 * 60.0; - pending_queue_t::const_iterator it = sPendingQueue.find(agent_id); - if (it != sPendingQueue.end()) + pending_queue_t::const_iterator it = mPendingQueue.find(agent_id); + if (it != mPendingQueue.end()) { // in the list of requests in flight, retry if too old F64 expire_time = LLFrameTimer::getTotalSeconds() - PENDING_TIMEOUT_SECS; @@ -622,11 +552,11 @@ void LLAvatarNameCache::eraseUnrefreshed() F64 now = LLFrameTimer::getTotalSeconds(); F64 max_unrefreshed = now - MAX_UNREFRESHED_TIME; - if (!sLastExpireCheck || sLastExpireCheck < max_unrefreshed) + if (!mLastExpireCheck || mLastExpireCheck < max_unrefreshed) { - sLastExpireCheck = now; + mLastExpireCheck = now; S32 expired = 0; - for (cache_t::iterator it = sCache.begin(); it != sCache.end();) + for (cache_t::iterator it = mCache.begin(); it != mCache.end();) { const LLAvatarName& av_name = it->second; if (av_name.mExpires < max_unrefreshed) @@ -635,7 +565,7 @@ void LLAvatarNameCache::eraseUnrefreshed() << " user '" << av_name.getAccountName() << "' " << "expired " << now - av_name.mExpires << " secs ago" << LL_ENDL; - sCache.erase(it++); + mCache.erase(it++); expired++; } else @@ -644,19 +574,24 @@ void LLAvatarNameCache::eraseUnrefreshed() } } LL_INFOS("AvNameCache") << "LLAvatarNameCache expired " << expired << " cached avatar names, " - << sCache.size() << " remaining" << LL_ENDL; + << mCache.size() << " remaining" << LL_ENDL; } } +//static, wrapper +bool LLAvatarNameCache::get(const LLUUID& agent_id, LLAvatarName *av_name) +{ + return LLAvatarNameCache::getInstance()->getName(agent_id, av_name); +} // 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) +bool LLAvatarNameCache::getName(const LLUUID& agent_id, LLAvatarName *av_name) { - if (sRunning) + if (mRunning) { // ...only do immediate lookups when cache is running - std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id); - if (it != sCache.end()) + std::map<LLUUID,LLAvatarName>::iterator it = mCache.find(agent_id); + if (it != mCache.end()) { *av_name = it->second; @@ -667,7 +602,7 @@ bool LLAvatarNameCache::get(const LLUUID& agent_id, LLAvatarName *av_name) { LL_DEBUGS("AvNameCache") << "LLAvatarNameCache refresh agent " << agent_id << LL_ENDL; - sAskQueue.insert(agent_id); + mAskQueue.insert(agent_id); } } @@ -678,7 +613,7 @@ bool LLAvatarNameCache::get(const LLUUID& agent_id, LLAvatarName *av_name) if (!isRequestPending(agent_id)) { LL_DEBUGS("AvNameCache") << "LLAvatarNameCache queue request for agent " << agent_id << LL_ENDL; - sAskQueue.insert(agent_id); + mAskQueue.insert(agent_id); } return false; @@ -693,15 +628,21 @@ void LLAvatarNameCache::fireSignal(const LLUUID& agent_id, signal(agent_id, av_name); } +// static, wrapper LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& agent_id, callback_slot_t slot) { + return LLAvatarNameCache::getInstance()->getNameCallback(agent_id, slot); +} + +LLAvatarNameCache::callback_connection_t LLAvatarNameCache::getNameCallback(const LLUUID& agent_id, callback_slot_t slot) +{ callback_connection_t connection; - if (sRunning) + if (mRunning) { // ...only do immediate lookups when cache is running - std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id); - if (it != sCache.end()) + std::map<LLUUID,LLAvatarName>::iterator it = mCache.find(agent_id); + if (it != mCache.end()) { const LLAvatarName& av_name = it->second; @@ -717,17 +658,17 @@ LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& ag // schedule a request if (!isRequestPending(agent_id)) { - sAskQueue.insert(agent_id); + mAskQueue.insert(agent_id); } // always store additional callback, even if request is pending - signal_map_t::iterator sig_it = sSignalMap.find(agent_id); - if (sig_it == sSignalMap.end()) + signal_map_t::iterator sig_it = mSignalMap.find(agent_id); + if (sig_it == mSignalMap.end()) { // ...new callback for this id callback_signal_t* signal = new callback_signal_t(); connection = signal->connect(slot); - sSignalMap[agent_id] = signal; + mSignalMap[agent_id] = signal; } else { @@ -760,20 +701,20 @@ void LLAvatarNameCache::setUseUsernames(bool use) void LLAvatarNameCache::erase(const LLUUID& agent_id) { - sCache.erase(agent_id); + mCache.erase(agent_id); } void LLAvatarNameCache::insert(const LLUUID& agent_id, const LLAvatarName& av_name) { // *TODO: update timestamp if zero? - sCache[agent_id] = av_name; + mCache[agent_id] = av_name; } LLUUID LLAvatarNameCache::findIdByName(const std::string& name) { std::map<LLUUID, LLAvatarName>::iterator it; - std::map<LLUUID, LLAvatarName>::iterator end = sCache.end(); - for (it = sCache.begin(); it != end; ++it) + std::map<LLUUID, LLAvatarName>::iterator end = mCache.end(); + for (it = mCache.begin(); it != end; ++it) { if (it->second.getUserName() == name) { |