diff options
author | Rider Linden <rider@lindenlab.com> | 2015-08-28 16:55:33 -0700 |
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committer | Rider Linden <rider@lindenlab.com> | 2015-08-28 16:55:33 -0700 |
commit | 99e56eedabfe34dbfbfd8105759403173de72d44 (patch) | |
tree | 32747c8f4d13a4ebf816917fa88e98ff1632cc7e /indra/llmessage/llexperiencecache.cpp | |
parent | 02c3262ac8e7f27b0effb546ad235e103c9581cf (diff) |
MAINT-5575: Begin conversion to Singleton<> for Experience Cache. Commited on branch so that I don't trigger a build of it until I'm ready.
--HG--
branch : MAINT-5575
Diffstat (limited to 'indra/llmessage/llexperiencecache.cpp')
-rw-r--r-- | indra/llmessage/llexperiencecache.cpp | 925 |
1 files changed, 465 insertions, 460 deletions
diff --git a/indra/llmessage/llexperiencecache.cpp b/indra/llmessage/llexperiencecache.cpp index 52b60a176e..d196d7da93 100644 --- a/indra/llmessage/llexperiencecache.cpp +++ b/indra/llmessage/llexperiencecache.cpp @@ -34,608 +34,613 @@ #include "boost/tokenizer.hpp" -namespace LLExperienceCache -{ +typedef std::map<LLUUID, LLUUID> KeyMap; +KeyMap privateToPublicKeyMap; - typedef std::map<LLUUID, LLUUID> KeyMap; - KeyMap privateToPublicKeyMap; +void mapKeys(const LLSD& legacyKeys); - void mapKeys(const LLSD& legacyKeys); +std::string sLookupURL; - std::string sLookupURL; +typedef std::map<LLUUID, std::string> ask_queue_t; +ask_queue_t sAskQueue; - typedef std::map<LLUUID, std::string> ask_queue_t; - ask_queue_t sAskQueue; +typedef std::map<LLUUID, F64> pending_queue_t; +pending_queue_t sPendingQueue; - typedef std::map<LLUUID, F64> pending_queue_t; - pending_queue_t sPendingQueue; +LLExperienceCache::cache_t sCache; +int sMaximumLookups = 10; - cache_t sCache; - int sMaximumLookups = 10; +LLFrameTimer sRequestTimer; - LLFrameTimer sRequestTimer; +// Periodically clean out expired entries from the cache +LLFrameTimer sEraseExpiredTimer; - // Periodically clean out expired entries from the cache - LLFrameTimer sEraseExpiredTimer; +// 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; - // 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; +bool max_age_from_cache_control(const std::string& cache_control, S32 *max_age); +void eraseExpired(); - bool max_age_from_cache_control(const std::string& cache_control, S32 *max_age); - void eraseExpired(); +//========================================================================= +LLExperienceCache::LLExperienceCache() +{ +} - void processExperience( const LLUUID& public_key, const LLSD& experience ) - { - sCache[public_key]=experience; - LLSD & row = sCache[public_key]; +LLExperienceCache::~LLExperienceCache() +{ +} - if(row.has(EXPIRES)) - { - row[EXPIRES] = row[EXPIRES].asReal() + LLFrameTimer::getTotalSeconds(); - } +//------------------------------------------------------------------------- +void LLExperienceCache::importFile(std::istream& istr) +{ + LLSD data; + S32 parse_count = LLSDSerialize::fromXMLDocument(data, istr); + if (parse_count < 1) return; - if(row.has(EXPERIENCE_ID)) - { - sPendingQueue.erase(row[EXPERIENCE_ID].asUUID()); - } + LLSD experiences = data["experiences"]; - //signal - signal_map_t::iterator sig_it = sSignalMap.find(public_key); - if (sig_it != sSignalMap.end()) - { - callback_signal_t* signal = sig_it->second; - (*signal)(experience); + LLUUID public_key; + LLSD::map_const_iterator it = experiences.beginMap(); + for (; it != experiences.endMap(); ++it) + { + public_key.set(it->first); + sCache[public_key] = it->second; + } - sSignalMap.erase(public_key); + LL_DEBUGS("ExperienceCache") << "importFile() loaded " << sCache.size() << LL_ENDL; +} - delete signal; - } - } +void LLExperienceCache::exportFile(std::ostream& ostr) const +{ + LLSD experiences; - void initClass( ) - { - } + cache_t::const_iterator it = sCache.begin(); + for (; it != sCache.end(); ++it) + { + if (!it->second.has(EXPERIENCE_ID) || it->second[EXPERIENCE_ID].asUUID().isNull() || + it->second.has("DoesNotExist") || (it->second.has(PROPERTIES) && it->second[PROPERTIES].asInteger() & PROPERTY_INVALID)) + continue; - const cache_t& getCached() + experiences[it->first.asString()] = it->second; + } + + LLSD data; + data["experiences"] = experiences; + + LLSDSerialize::toPrettyXML(data, ostr); +} + +// *TODO$: Rider: These three functions not seem to be used... it may be useful in testing. +void LLExperienceCache::bootstrap(const LLSD& legacyKeys, int initialExpiration) +{ + mapKeys(legacyKeys); + LLSD::array_const_iterator it = legacyKeys.beginArray(); + for (/**/; it != legacyKeys.endArray(); ++it) + { + LLSD experience = *it; + if (experience.has(EXPERIENCE_ID)) + { + if (!experience.has(EXPIRES)) + { + experience[EXPIRES] = initialExpiration; + } + processExperience(experience[EXPERIENCE_ID].asUUID(), experience); + } + else + { + LL_WARNS("ExperienceCache") + << "Skipping bootstrap entry which is missing " << EXPERIENCE_ID + << LL_ENDL; + } + } +} + +void LLExperienceCache::mapKeys(const LLSD& legacyKeys) +{ + LLSD::array_const_iterator exp = legacyKeys.beginArray(); + for (/**/; exp != legacyKeys.endArray(); ++exp) + { + if (exp->has(LLExperienceCache::EXPERIENCE_ID) && exp->has(LLExperienceCache::PRIVATE_KEY)) + { + privateToPublicKeyMap[(*exp)[LLExperienceCache::PRIVATE_KEY].asUUID()] = (*exp)[LLExperienceCache::EXPERIENCE_ID].asUUID(); + } + } +} + +LLUUID LLExperienceCache::getExperienceId(const LLUUID& private_key, bool null_if_not_found) +{ + if (private_key.isNull()) + return LLUUID::null; + + KeyMap::const_iterator it = privateToPublicKeyMap.find(private_key); + if (it == privateToPublicKeyMap.end()) + { + if (null_if_not_found) + { + return LLUUID::null; + } + return private_key; + } + LL_WARNS("LLExperience") << "converted private key " << private_key << " to experience_id " << it->second << LL_ENDL; + return it->second; +} + +//========================================================================= +void LLExperienceCache::processExperience(const LLUUID& public_key, const LLSD& experience) +{ + sCache[public_key]=experience; + LLSD & row = sCache[public_key]; + + if(row.has(EXPIRES)) { - return sCache; + row[EXPIRES] = row[EXPIRES].asReal() + LLFrameTimer::getTotalSeconds(); } - void setMaximumLookups( int maximumLookups) + if(row.has(EXPERIENCE_ID)) { - sMaximumLookups = maximumLookups; + sPendingQueue.erase(row[EXPERIENCE_ID].asUUID()); } - void bootstrap(const LLSD& legacyKeys, int initialExpiration) + //signal + signal_map_t::iterator sig_it = sSignalMap.find(public_key); + if (sig_it != sSignalMap.end()) { - mapKeys(legacyKeys); - LLSD::array_const_iterator it = legacyKeys.beginArray(); - for(/**/; it != legacyKeys.endArray(); ++it) - { - LLSD experience = *it; - if(experience.has(EXPERIENCE_ID)) - { - if(!experience.has(EXPIRES)) - { - experience[EXPIRES] = initialExpiration; - } - processExperience(experience[EXPERIENCE_ID].asUUID(), experience); - } - else - { - LL_WARNS("ExperienceCache") - << "Skipping bootstrap entry which is missing " << EXPERIENCE_ID - << LL_ENDL; - } - } + callback_signal_t* signal = sig_it->second; + (*signal)(experience); + + sSignalMap.erase(public_key); + + delete signal; } +} +const LLExperienceCache::cache_t& LLExperienceCache::getCached() +{ + return sCache; +} + +void LLExperienceCache::setMaximumLookups(int maximumLookups) +{ + sMaximumLookups = maximumLookups; +} - bool expirationFromCacheControl(LLSD headers, F64 *expires) +bool LLExperienceCache::expirationFromCacheControl(LLSD headers, F64 *expires) +{ + // Allow the header to override the default + LLSD cache_control_header = headers["cache-control"]; + if (cache_control_header.isDefined()) { - // Allow the header to override the default - LLSD cache_control_header = headers["cache-control"]; - if (cache_control_header.isDefined()) + S32 max_age = 0; + std::string cache_control = cache_control_header.asString(); + if (max_age_from_cache_control(cache_control, &max_age)) { - S32 max_age = 0; - std::string cache_control = cache_control_header.asString(); - if (max_age_from_cache_control(cache_control, &max_age)) - { - LL_WARNS("ExperienceCache") - << "got EXPIRES from headers, max_age " << max_age - << LL_ENDL; - F64 now = LLFrameTimer::getTotalSeconds(); - *expires = now + (F64)max_age; - return true; - } + LL_WARNS("ExperienceCache") + << "got EXPIRES from headers, max_age " << max_age + << LL_ENDL; + F64 now = LLFrameTimer::getTotalSeconds(); + *expires = now + (F64)max_age; + return true; } - return false; } + return false; +} - static const std::string MAX_AGE("max-age"); - static const boost::char_separator<char> EQUALS_SEPARATOR("="); - static const boost::char_separator<char> COMMA_SEPARATOR(","); +static const std::string MAX_AGE("max-age"); +static const boost::char_separator<char> EQUALS_SEPARATOR("="); +static const boost::char_separator<char> COMMA_SEPARATOR(","); + +bool max_age_from_cache_control(const std::string& cache_control, S32 *max_age) +{ + // Split the string on "," to get a list of directives + typedef boost::tokenizer<boost::char_separator<char> > tokenizer; + tokenizer directives(cache_control, COMMA_SEPARATOR); - bool max_age_from_cache_control(const std::string& cache_control, S32 *max_age) + tokenizer::iterator token_it = directives.begin(); + for ( ; token_it != directives.end(); ++token_it) { - // Split the string on "," to get a list of directives - typedef boost::tokenizer<boost::char_separator<char> > tokenizer; - tokenizer directives(cache_control, COMMA_SEPARATOR); + // Tokens may have leading or trailing whitespace + std::string token = *token_it; + LLStringUtil::trim(token); - tokenizer::iterator token_it = directives.begin(); - for ( ; token_it != directives.end(); ++token_it) + if (token.compare(0, MAX_AGE.size(), MAX_AGE) == 0) { - // Tokens may have leading or trailing whitespace - std::string token = *token_it; - LLStringUtil::trim(token); - - if (token.compare(0, MAX_AGE.size(), MAX_AGE) == 0) + // ...this token starts with max-age, so let's chop it up by "=" + tokenizer subtokens(token, EQUALS_SEPARATOR); + tokenizer::iterator subtoken_it = subtokens.begin(); + + // Must have a token + if (subtoken_it == subtokens.end()) return false; + std::string subtoken = *subtoken_it; + + // Must exactly equal "max-age" + LLStringUtil::trim(subtoken); + if (subtoken != MAX_AGE) return false; + + // Must have another token + ++subtoken_it; + if (subtoken_it == subtokens.end()) return false; + subtoken = *subtoken_it; + + // Must be a valid integer + // *NOTE: atoi() returns 0 for invalid values, so we have to + // check the string first. + // *TODO: Do servers ever send "0000" for zero? We don't handle it + LLStringUtil::trim(subtoken); + if (subtoken == "0") { - // ...this token starts with max-age, so let's chop it up by "=" - tokenizer subtokens(token, EQUALS_SEPARATOR); - tokenizer::iterator subtoken_it = subtokens.begin(); - - // Must have a token - if (subtoken_it == subtokens.end()) return false; - std::string subtoken = *subtoken_it; - - // Must exactly equal "max-age" - LLStringUtil::trim(subtoken); - if (subtoken != MAX_AGE) return false; - - // Must have another token - ++subtoken_it; - if (subtoken_it == subtokens.end()) return false; - subtoken = *subtoken_it; - - // Must be a valid integer - // *NOTE: atoi() returns 0 for invalid values, so we have to - // check the string first. - // *TODO: Do servers ever send "0000" for zero? We don't handle it - LLStringUtil::trim(subtoken); - if (subtoken == "0") - { - *max_age = 0; - return true; - } - S32 val = atoi( subtoken.c_str() ); - if (val > 0 && val < S32_MAX) - { - *max_age = val; - return true; - } - return false; + *max_age = 0; + return true; } + S32 val = atoi( subtoken.c_str() ); + if (val > 0 && val < S32_MAX) + { + *max_age = val; + return true; + } + return false; } - return false; } + return false; +} - void importFile(std::istream& istr) +class LLExperienceResponder : public LLHTTPClient::Responder +{ +public: + LLExperienceResponder(const ask_queue_t& keys) + :mKeys(keys) { - LLSD data; - S32 parse_count = LLSDSerialize::fromXMLDocument(data, istr); - if(parse_count < 1) return; - - LLSD experiences = data["experiences"]; - LLUUID public_key; - LLSD::map_const_iterator it = experiences.beginMap(); - for(; it != experiences.endMap() ; ++it) - { - public_key.set(it->first); - sCache[public_key]=it->second; - } - - LL_DEBUGS("ExperienceCache") << "importFile() loaded " << sCache.size() << LL_ENDL; } - void exportFile(std::ostream& ostr) + /*virtual*/ void httpCompleted() { - LLSD experiences; - - cache_t::const_iterator it =sCache.begin(); - for( ; it != sCache.end() ; ++it) + LLSD experiences = getContent()["experience_keys"]; + LLSD::array_const_iterator it = experiences.beginArray(); + for( /**/ ; it != experiences.endArray(); ++it) { - if(!it->second.has(EXPERIENCE_ID) || it->second[EXPERIENCE_ID].asUUID().isNull() || - it->second.has("DoesNotExist") || (it->second.has(PROPERTIES) && it->second[PROPERTIES].asInteger() & PROPERTY_INVALID)) - continue; + const LLSD& row = *it; + LLUUID public_key = row[EXPERIENCE_ID].asUUID(); - experiences[it->first.asString()] = it->second; - } - LLSD data; - data["experiences"] = experiences; + LL_DEBUGS("ExperienceCache") << "Received result for " << public_key + << " display '" << row[LLExperienceCache::NAME].asString() << "'" << LL_ENDL ; - LLSDSerialize::toPrettyXML(data, ostr); - } + processExperience(public_key, row); + } - class LLExperienceResponder : public LLHTTPClient::Responder - { - public: - LLExperienceResponder(const ask_queue_t& keys) - :mKeys(keys) + LLSD error_ids = getContent()["error_ids"]; + LLSD::array_const_iterator errIt = error_ids.beginArray(); + for( /**/ ; errIt != error_ids.endArray() ; ++errIt ) { - + LLUUID id = errIt->asUUID(); + LLSD exp; + exp[EXPIRES]=DEFAULT_EXPIRATION; + exp[EXPERIENCE_ID] = id; + exp[PROPERTIES]=PROPERTY_INVALID; + exp[MISSING]=true; + exp[QUOTA] = DEFAULT_QUOTA; + + processExperience(id, exp); + LL_WARNS("ExperienceCache") << "LLExperienceResponder::result() error result for " << id << LL_ENDL ; } - /*virtual*/ void httpCompleted() + LL_DEBUGS("ExperienceCache") << sCache.size() << " cached experiences" << LL_ENDL; + } + + /*virtual*/ void httpFailure() + { + LL_WARNS("ExperienceCache") << "Request failed "<<getStatus()<<" "<<getReason()<< LL_ENDL; + // We're going to construct a dummy record and cache it for a while, + // either briefly for a 503 Service Unavailable, or longer for other + // errors. + F64 retry_timestamp = errorRetryTimestamp(getStatus()); + + + // Add dummy records for all agent IDs in this request + ask_queue_t::const_iterator it = mKeys.begin(); + for ( ; it != mKeys.end(); ++it) { - LLSD experiences = getContent()["experience_keys"]; - LLSD::array_const_iterator it = experiences.beginArray(); - for( /**/ ; it != experiences.endArray(); ++it) - { - const LLSD& row = *it; - LLUUID public_key = row[EXPERIENCE_ID].asUUID(); + LLSD exp = get(it->first); + //leave the properties alone if we already have a cache entry for this xp + if(exp.isUndefined()) + { + exp[PROPERTIES]=PROPERTY_INVALID; + } + exp[EXPIRES]=retry_timestamp; + exp[EXPERIENCE_ID] = it->first; + exp["key_type"] = it->second; + exp["uuid"] = it->first; + exp["error"] = (LLSD::Integer)getStatus(); + exp[QUOTA] = DEFAULT_QUOTA; + + LLExperienceCache::processExperience(it->first, exp); + } - LL_DEBUGS("ExperienceCache") << "Received result for " << public_key - << " display '" << row[LLExperienceCache::NAME].asString() << "'" << LL_ENDL ; + } - processExperience(public_key, row); - } + // Return time to retry a request that generated an error, based on + // error type and headers. Return value is seconds-since-epoch. + F64 errorRetryTimestamp(S32 status) + { - LLSD error_ids = getContent()["error_ids"]; - LLSD::array_const_iterator errIt = error_ids.beginArray(); - for( /**/ ; errIt != error_ids.endArray() ; ++errIt ) + // Retry-After takes priority + LLSD retry_after = getResponseHeaders()["retry-after"]; + if (retry_after.isDefined()) + { + // We only support the delta-seconds type + S32 delta_seconds = retry_after.asInteger(); + if (delta_seconds > 0) { - LLUUID id = errIt->asUUID(); - LLSD exp; - exp[EXPIRES]=DEFAULT_EXPIRATION; - exp[EXPERIENCE_ID] = id; - exp[PROPERTIES]=PROPERTY_INVALID; - exp[MISSING]=true; - exp[QUOTA] = DEFAULT_QUOTA; - - processExperience(id, exp); - LL_WARNS("ExperienceCache") << "LLExperienceResponder::result() error result for " << id << LL_ENDL ; + // ...valid delta-seconds + return F64(delta_seconds); } - - LL_DEBUGS("ExperienceCache") << sCache.size() << " cached experiences" << LL_ENDL; } - /*virtual*/ void httpFailure() + // If no Retry-After, look for Cache-Control max-age + F64 expires = 0.0; + if (LLExperienceCache::expirationFromCacheControl(getResponseHeaders(), &expires)) { - LL_WARNS("ExperienceCache") << "Request failed "<<getStatus()<<" "<<getReason()<< LL_ENDL; - // We're going to construct a dummy record and cache it for a while, - // either briefly for a 503 Service Unavailable, or longer for other - // errors. - F64 retry_timestamp = errorRetryTimestamp(getStatus()); - - - // Add dummy records for all agent IDs in this request - ask_queue_t::const_iterator it = mKeys.begin(); - for ( ; it != mKeys.end(); ++it) - { - - LLSD exp = get(it->first); - //leave the properties alone if we already have a cache entry for this xp - if(exp.isUndefined()) - { - exp[PROPERTIES]=PROPERTY_INVALID; - } - exp[EXPIRES]=retry_timestamp; - exp[EXPERIENCE_ID] = it->first; - exp["key_type"] = it->second; - exp["uuid"] = it->first; - exp["error"] = (LLSD::Integer)getStatus(); - exp[QUOTA] = DEFAULT_QUOTA; - - LLExperienceCache::processExperience(it->first, exp); - } - + return expires; } - // Return time to retry a request that generated an error, based on - // error type and headers. Return value is seconds-since-epoch. - F64 errorRetryTimestamp(S32 status) + // No information in header, make a guess + if (status == 503) { + // ...service unavailable, retry soon + const F64 SERVICE_UNAVAILABLE_DELAY = 600.0; // 10 min + return SERVICE_UNAVAILABLE_DELAY; + } + else if (status == 499) + { + // ...we were probably too busy, retry quickly + const F64 BUSY_DELAY = 10.0; // 10 seconds + return BUSY_DELAY; - // Retry-After takes priority - LLSD retry_after = getResponseHeaders()["retry-after"]; - if (retry_after.isDefined()) - { - // We only support the delta-seconds type - S32 delta_seconds = retry_after.asInteger(); - if (delta_seconds > 0) - { - // ...valid delta-seconds - return F64(delta_seconds); - } - } - - // If no Retry-After, look for Cache-Control max-age - F64 expires = 0.0; - if (LLExperienceCache::expirationFromCacheControl(getResponseHeaders(), &expires)) - { - return expires; - } - - // No information in header, make a guess - if (status == 503) - { - // ...service unavailable, retry soon - const F64 SERVICE_UNAVAILABLE_DELAY = 600.0; // 10 min - return SERVICE_UNAVAILABLE_DELAY; - } - else if (status == 499) - { - // ...we were probably too busy, retry quickly - const F64 BUSY_DELAY = 10.0; // 10 seconds - return BUSY_DELAY; - - } - else - { - // ...other unexpected error - const F64 DEFAULT_DELAY = 3600.0; // 1 hour - return DEFAULT_DELAY; - } } + else + { + // ...other unexpected error + const F64 DEFAULT_DELAY = 3600.0; // 1 hour + return DEFAULT_DELAY; + } + } - private: - ask_queue_t mKeys; - }; +private: + ask_queue_t mKeys; +}; - void requestExperiences() - { - if(sAskQueue.empty() || sLookupURL.empty()) - return; - F64 now = LLFrameTimer::getTotalSeconds(); +void LLExperienceCache::requestExperiences() +{ + if(sAskQueue.empty() || sLookupURL.empty()) + return; - const U32 EXP_URL_SEND_THRESHOLD = 3000; - const U32 PAGE_SIZE = EXP_URL_SEND_THRESHOLD/UUID_STR_LENGTH; + F64 now = LLFrameTimer::getTotalSeconds(); - std::ostringstream ostr; + const U32 EXP_URL_SEND_THRESHOLD = 3000; + const U32 PAGE_SIZE = EXP_URL_SEND_THRESHOLD/UUID_STR_LENGTH; - ask_queue_t keys; + std::ostringstream ostr; - ostr << sLookupURL << "?page_size=" << PAGE_SIZE; + ask_queue_t keys; + ostr << sLookupURL << "?page_size=" << PAGE_SIZE; - int request_count = 0; - while(!sAskQueue.empty() && request_count < sMaximumLookups) - { - ask_queue_t::iterator it = sAskQueue.begin(); - const LLUUID& key = it->first; - const std::string& key_type = it->second; - ostr << '&' << key_type << '=' << key.asString() ; + int request_count = 0; + while(!sAskQueue.empty() && request_count < sMaximumLookups) + { + ask_queue_t::iterator it = sAskQueue.begin(); + const LLUUID& key = it->first; + const std::string& key_type = it->second; + + ostr << '&' << key_type << '=' << key.asString() ; - keys[key]=key_type; - request_count++; + keys[key]=key_type; + request_count++; - sPendingQueue[key] = now; + sPendingQueue[key] = now; - if(ostr.tellp() > EXP_URL_SEND_THRESHOLD) - { - LL_DEBUGS("ExperienceCache") << "requestExperiences() query: " << ostr.str() << LL_ENDL; - LLHTTPClient::get(ostr.str(), new LLExperienceResponder(keys)); - ostr.clear(); - ostr.str(sLookupURL); - ostr << "?page_size=" << PAGE_SIZE; - keys.clear(); - } - sAskQueue.erase(it); - } - - if(ostr.tellp() > sLookupURL.size()) + if(ostr.tellp() > EXP_URL_SEND_THRESHOLD) { - LL_DEBUGS("ExperienceCache") << "requestExperiences() query 2: " << ostr.str() << LL_ENDL; + LL_DEBUGS("ExperienceCache") << "requestExperiences() query: " << ostr.str() << LL_ENDL; LLHTTPClient::get(ostr.str(), new LLExperienceResponder(keys)); + ostr.clear(); + ostr.str(sLookupURL); + ostr << "?page_size=" << PAGE_SIZE; + keys.clear(); } + sAskQueue.erase(it); } - bool isRequestPending(const LLUUID& public_key) + if(ostr.tellp() > sLookupURL.size()) { - bool isPending = false; - const F64 PENDING_TIMEOUT_SECS = 5.0 * 60.0; + LL_DEBUGS("ExperienceCache") << "requestExperiences() query 2: " << ostr.str() << LL_ENDL; + LLHTTPClient::get(ostr.str(), new LLExperienceResponder(keys)); + } +} - pending_queue_t::const_iterator it = sPendingQueue.find(public_key); - if(it != sPendingQueue.end()) - { - F64 expire_time = LLFrameTimer::getTotalSeconds() - PENDING_TIMEOUT_SECS; - isPending = (it->second > expire_time); - } +bool LLExperienceCache::isRequestPending(const LLUUID& public_key) +{ + bool isPending = false; + const F64 PENDING_TIMEOUT_SECS = 5.0 * 60.0; + + pending_queue_t::const_iterator it = sPendingQueue.find(public_key); - return isPending; + if(it != sPendingQueue.end()) + { + F64 expire_time = LLFrameTimer::getTotalSeconds() - PENDING_TIMEOUT_SECS; + isPending = (it->second > expire_time); } + return isPending; +} + - void setLookupURL( const std::string& lookup_url ) +void LLExperienceCache::setLookupURL(const std::string& lookup_url) +{ + sLookupURL = lookup_url; + if(!sLookupURL.empty()) { - sLookupURL = lookup_url; - if(!sLookupURL.empty()) - { - sLookupURL += "id/"; - } + sLookupURL += "id/"; } +} + +bool LLExperienceCache::hasLookupURL() +{ + return !sLookupURL.empty(); +} - bool hasLookupURL() +void LLExperienceCache::idle() +{ + + const F32 SECS_BETWEEN_REQUESTS = 0.1f; + if (!sRequestTimer.checkExpirationAndReset(SECS_BETWEEN_REQUESTS)) { - return !sLookupURL.empty(); + return; } - void idle() + // Must be large relative to above + const F32 ERASE_EXPIRED_TIMEOUT = 60.f; // seconds + if (sEraseExpiredTimer.checkExpirationAndReset(ERASE_EXPIRED_TIMEOUT)) { - - const F32 SECS_BETWEEN_REQUESTS = 0.1f; - if (!sRequestTimer.checkExpirationAndReset(SECS_BETWEEN_REQUESTS)) - { - return; - } - - // Must be large relative to above - const F32 ERASE_EXPIRED_TIMEOUT = 60.f; // seconds - if (sEraseExpiredTimer.checkExpirationAndReset(ERASE_EXPIRED_TIMEOUT)) - { - eraseExpired(); - } + eraseExpired(); + } - if(!sAskQueue.empty()) - { - requestExperiences(); - } + if(!sAskQueue.empty()) + { + requestExperiences(); } +} - void erase( const LLUUID& key ) - { - cache_t::iterator it = sCache.find(key); +void LLExperienceCache::erase(const LLUUID& key) +{ + cache_t::iterator it = sCache.find(key); - if(it != sCache.end()) - { - sCache.erase(it); - } + if(it != sCache.end()) + { + sCache.erase(it); } +} - void eraseExpired() +void LLExperienceCache::eraseExpired() +{ + F64 now = LLFrameTimer::getTotalSeconds(); + cache_t::iterator it = sCache.begin(); + while (it != sCache.end()) { - F64 now = LLFrameTimer::getTotalSeconds(); - cache_t::iterator it = sCache.begin(); - while (it != sCache.end()) - { - cache_t::iterator cur = it; - LLSD& exp = cur->second; - ++it; + cache_t::iterator cur = it; + LLSD& exp = cur->second; + ++it; - if(exp.has(EXPIRES) && exp[EXPIRES].asReal() < now) + if(exp.has(EXPIRES) && exp[EXPIRES].asReal() < now) + { + if(!exp.has(EXPERIENCE_ID)) { - if(!exp.has(EXPERIENCE_ID)) + LL_WARNS("ExperienceCache") << "Removing experience with no id " << LL_ENDL ; + sCache.erase(cur); + } + else + { + LLUUID id = exp[EXPERIENCE_ID].asUUID(); + LLUUID private_key = exp.has(LLExperienceCache::PRIVATE_KEY) ? exp[LLExperienceCache::PRIVATE_KEY].asUUID():LLUUID::null; + if(private_key.notNull() || !exp.has("DoesNotExist")) { - LL_WARNS("ExperienceCache") << "Removing experience with no id " << LL_ENDL ; - sCache.erase(cur); - } - else - { - LLUUID id = exp[EXPERIENCE_ID].asUUID(); - LLUUID private_key = exp.has(LLExperienceCache::PRIVATE_KEY) ? exp[LLExperienceCache::PRIVATE_KEY].asUUID():LLUUID::null; - if(private_key.notNull() || !exp.has("DoesNotExist")) - { - fetch(id, true); - } - else - { - LL_WARNS("ExperienceCache") << "Removing invalid experience " << id << LL_ENDL ; - sCache.erase(cur); - } + fetch(id, true); + } + else + { + LL_WARNS("ExperienceCache") << "Removing invalid experience " << id << LL_ENDL ; + sCache.erase(cur); } } } } +} - bool fetch( const LLUUID& key, bool refresh/* = true*/ ) +bool LLExperienceCache::fetch(const LLUUID& key, bool refresh/* = true*/) +{ + if(!key.isNull() && !isRequestPending(key) && (refresh || sCache.find(key)==sCache.end())) { - if(!key.isNull() && !isRequestPending(key) && (refresh || sCache.find(key)==sCache.end())) - { - LL_DEBUGS("ExperienceCache") << " queue request for " << EXPERIENCE_ID << " " << key << LL_ENDL ; - sAskQueue[key]=EXPERIENCE_ID; + LL_DEBUGS("ExperienceCache") << " queue request for " << EXPERIENCE_ID << " " << key << LL_ENDL ; + sAskQueue[key]=EXPERIENCE_ID; - return true; - } - return false; + return true; } + return false; +} - void insert(const LLSD& experience_data ) +void LLExperienceCache::insert(const LLSD& experience_data) +{ + if(experience_data.has(EXPERIENCE_ID)) { - if(experience_data.has(EXPERIENCE_ID)) - { - processExperience(experience_data[EXPERIENCE_ID].asUUID(), experience_data); - } - else - { - LL_WARNS("ExperienceCache") << ": Ignoring cache insert of experience which is missing " << EXPERIENCE_ID << LL_ENDL; - } + processExperience(experience_data[EXPERIENCE_ID].asUUID(), experience_data); } - static LLSD empty; - const LLSD& get(const LLUUID& key) + else { - if(key.isNull()) return empty; - cache_t::const_iterator it = sCache.find(key); - - if (it != sCache.end()) - { - return it->second; - } - - fetch(key); - - return empty; + LL_WARNS("ExperienceCache") << ": Ignoring cache insert of experience which is missing " << EXPERIENCE_ID << LL_ENDL; } - void get( const LLUUID& key, callback_slot_t slot ) - { - if(key.isNull()) return; - - cache_t::const_iterator it = sCache.find(key); - if (it != sCache.end()) - { - // ...name already exists in cache, fire callback now - callback_signal_t signal; - signal.connect(slot); - - signal(it->second); - return; - } +} - fetch(key); +static LLSD empty; +const LLSD& LLExperienceCache::get(const LLUUID& key) +{ + if(key.isNull()) return empty; + cache_t::const_iterator it = sCache.find(key); - // always store additional callback, even if request is pending - signal_map_t::iterator sig_it = sSignalMap.find(key); - if (sig_it == sSignalMap.end()) - { - // ...new callback for this id - callback_signal_t* signal = new callback_signal_t(); - signal->connect(slot); - sSignalMap[key] = signal; - } - else - { - // ...existing callback, bind additional slot - callback_signal_t* signal = sig_it->second; - signal->connect(slot); - } + if (it != sCache.end()) + { + return it->second; } -} - + fetch(key); -void LLExperienceCache::mapKeys( const LLSD& legacyKeys ) + return empty; +} +void LLExperienceCache::get(const LLUUID& key, callback_slot_t slot) { - LLSD::array_const_iterator exp = legacyKeys.beginArray(); - for(/**/ ; exp != legacyKeys.endArray() ; ++exp) + if(key.isNull()) return; + + cache_t::const_iterator it = sCache.find(key); + if (it != sCache.end()) { - if(exp->has(LLExperienceCache::EXPERIENCE_ID) && exp->has(LLExperienceCache::PRIVATE_KEY)) - { - privateToPublicKeyMap[(*exp)[LLExperienceCache::PRIVATE_KEY].asUUID()]=(*exp)[LLExperienceCache::EXPERIENCE_ID].asUUID(); - } + // ...name already exists in cache, fire callback now + callback_signal_t signal; + signal.connect(slot); + + signal(it->second); + return; } -} + fetch(key); -LLUUID LLExperienceCache::getExperienceId(const LLUUID& private_key, bool null_if_not_found) -{ - if (private_key.isNull()) - return LLUUID::null; - - KeyMap::const_iterator it=privateToPublicKeyMap.find(private_key); - if(it == privateToPublicKeyMap.end()) + // always store additional callback, even if request is pending + signal_map_t::iterator sig_it = sSignalMap.find(key); + if (sig_it == sSignalMap.end()) { - if(null_if_not_found) - { - return LLUUID::null; - } - return private_key; + // ...new callback for this id + callback_signal_t* signal = new callback_signal_t(); + signal->connect(slot); + sSignalMap[key] = signal; + } + else + { + // ...existing callback, bind additional slot + callback_signal_t* signal = sig_it->second; + signal->connect(slot); } - LL_WARNS("LLExperience") << "converted private key " << private_key << " to experience_id " << it->second << LL_ENDL; - return it->second; } + + |