diff options
author | dolphin <dolphin@lindenlab.com> | 2012-12-18 16:06:00 -0800 |
---|---|---|
committer | dolphin <dolphin@lindenlab.com> | 2012-12-18 16:06:00 -0800 |
commit | 179e944f45476e03eb7b828e427f9d299529ad12 (patch) | |
tree | e14192cd17afc0f1b77de959e2d8153add497471 /indra/llmessage/llexperiencecache.cpp | |
parent | bc8b81b16d083cacd6ab4cf45a60cfec9dfc5a8c (diff) |
Updated client to use new caps
brought over server changes to llExperienceCache
Diffstat (limited to 'indra/llmessage/llexperiencecache.cpp')
-rw-r--r-- | indra/llmessage/llexperiencecache.cpp | 353 |
1 files changed, 208 insertions, 145 deletions
diff --git a/indra/llmessage/llexperiencecache.cpp b/indra/llmessage/llexperiencecache.cpp index 562c4c40df..18b950b61e 100644 --- a/indra/llmessage/llexperiencecache.cpp +++ b/indra/llmessage/llexperiencecache.cpp @@ -23,25 +23,26 @@ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ +#include "llexperiencecache.h" -#include "linden_common.h" #include "llavatarname.h" #include "llframetimer.h" #include "llhttpclient.h" #include "llsdserialize.h" #include <set> #include <map> -#include "boost\tokenizer.hpp" +#include "boost/tokenizer.hpp" + -#include "llexperiencecache.h" namespace LLExperienceCache { + const std::string& MAP_KEY = PUBLIC_KEY; std::string sLookupURL; - typedef std::set<LLUUID> ask_queue_t; + typedef std::map<LLUUID, std::string> ask_queue_t; ask_queue_t sAskQueue; typedef std::map<LLUUID, F64> pending_queue_t; @@ -65,20 +66,40 @@ namespace LLExperienceCache bool max_age_from_cache_control(const std::string& cache_control, S32 *max_age); void eraseExpired(); - void processExperience( const LLUUID& agent_id, const LLExperienceData& experience ) + void processExperience( const LLUUID& public_key, const LLSD& experience ) { - sCache[agent_id]=experience; + sCache[public_key]=experience; + LLSD & row = sCache[public_key]; + + if(row.has("expires")) + { + row["expires"] = row["expires"].asReal() + LLFrameTimer::getTotalSeconds(); + } + + if(row.has(PUBLIC_KEY)) + { + sPendingQueue.erase(row[PUBLIC_KEY].asUUID()); + } + + if(row.has(PRIVATE_KEY)) + { + sPendingQueue.erase(row[PRIVATE_KEY].asUUID()); + } + + if(row.has(CREATOR_KEY)) + { + sPendingQueue.erase(row[CREATOR_KEY].asUUID()); + } - sPendingQueue.erase(agent_id); //signal - signal_map_t::iterator sig_it = sSignalMap.find(agent_id); + signal_map_t::iterator sig_it = sSignalMap.find(public_key); if (sig_it != sSignalMap.end()) { callback_signal_t* signal = sig_it->second; - (*signal)(agent_id, experience); + (*signal)(experience); - sSignalMap.erase(agent_id); + sSignalMap.erase(public_key); delete signal; } @@ -109,7 +130,7 @@ namespace LLExperienceCache std::string cache_control = cache_control_header.asString(); if (max_age_from_cache_control(cache_control, &max_age)) { - LL_DEBUGS("ExperienceCache") + LL_WARNS("ExperienceCache") << "got expiration from headers, max_age " << max_age << LL_ENDL; F64 now = LLFrameTimer::getTotalSeconds(); @@ -186,16 +207,14 @@ namespace LLExperienceCache S32 parse_count = LLSDSerialize::fromXMLDocument(data, istr); if(parse_count < 1) return; - LLSD agents = data["agents"]; + LLSD experiences = data["experiences"]; - LLUUID agent_id; - LLExperienceData experience; - LLSD::map_const_iterator it = agents.beginMap(); - for(; it != agents.endMap() ; ++it) + LLUUID public_key; + LLSD::map_const_iterator it = experiences.beginMap(); + for(; it != experiences.endMap() ; ++it) { - agent_id.set(it->first); - experience.fromLLSD( it->second); - sCache[agent_id]=experience; + public_key.set(it->first); + sCache[public_key]=it->second; } LL_INFOS("ExperienceCache") << "loaded " << sCache.size() << LL_ENDL; @@ -203,16 +222,20 @@ namespace LLExperienceCache void exportFile(std::ostream& ostr) { - LLSD agents; + LLSD experiences; cache_t::const_iterator it =sCache.begin(); for( ; it != sCache.end() ; ++it) { - agents[it->first.asString()] = it->second.asLLSD(); + if(!it->second.has(PUBLIC_KEY) || it->second[PUBLIC_KEY].asUUID().isNull() || + it->second.has("error")) + continue; + + experiences[it->first.asString()] = it->second; } LLSD data; - data["agents"] = agents; + data["experiences"] = experiences; LLSDSerialize::toPrettyXML(data, ostr); } @@ -220,8 +243,8 @@ namespace LLExperienceCache class LLExperienceResponder : public LLHTTPClient::Responder { public: - LLExperienceResponder(const std::vector<LLUUID>& agent_ids) - :mAgentIds(agent_ids) + LLExperienceResponder(const ask_queue_t& keys) + :mKeys(keys) { } @@ -233,60 +256,65 @@ namespace LLExperienceCache virtual void result(const LLSD& content) { - LLSD agents = content["agents"]; - LLSD::array_const_iterator it = agents.beginArray(); - for( /**/ ; it != agents.endArray(); ++it) + LLSD experiences = content["experience_keys"]; + LLSD::array_const_iterator it = experiences.beginArray(); + for( /**/ ; it != experiences.endArray(); ++it) { const LLSD& row = *it; - LLUUID agent_id = row["id"].asUUID(); + LLUUID public_key = row[PUBLIC_KEY].asUUID(); - LLExperienceData experience; - if(experience.fromLLSD(row)) - { - LL_DEBUGS("ExperienceCache") << __FUNCTION__ << "Received result for " << agent_id - << "display '" << experience.mDisplayName << "'" << LL_ENDL ; + LL_INFOS("ExperienceCache") << "Received result for " << public_key + << " display '" << row[LLExperienceCache::NAME].asString() << "'" << LL_ENDL ; - processExperience(agent_id, experience); - } + processExperience(public_key, row); } - LLSD unresolved_agents = content["bad_ids"]; - S32 num_unresolved = unresolved_agents.size(); - if(num_unresolved > 0) + LLSD error_ids = content["error_ids"]; + LLSD::map_const_iterator errIt = error_ids.beginMap(); + for( /**/ ; errIt != error_ids.endMap() ; ++errIt ) { - LL_DEBUGS("ExperienceCache") << __FUNCTION__ << "Ignoring " << num_unresolved - << " bad ids" << LL_ENDL ; + LLUUID id = LLUUID(errIt->first); + for( it = errIt->second.beginArray(); it != errIt->second.endArray() ; ++it) + { + LL_INFOS("ExperienceCache") << "Clearing error result for " << id + << " of type '" << it->asString() << "'" << LL_ENDL ; + + erase(id, it->asString()); + } } - LL_DEBUGS("ExperienceCache") << __FUNCTION__ << sCache.size() << " cached experiences" << LL_ENDL; + LL_INFOS("ExperienceCache") << sCache.size() << " cached experiences" << LL_ENDL; } - void error(U32 status, const std::string& reason) + virtual void error(U32 status, const std::string& reason) { - // 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(status); - - LLExperienceData experience; - experience.mDisplayName = LLExperienceCache::DUMMY_NAME; - experience.mDescription = LLExperienceCache::DUMMY_NAME; - experience.mExpires = retry_timestamp; - - // Add dummy records for all agent IDs in this request - std::vector<LLUUID>::const_iterator it = mAgentIds.begin(); - for ( ; it != mAgentIds.end(); ++it) + LL_WARNS("ExperienceCache") << "Request failed "<<status<<" "<<reason<< 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(status); + + + // Add dummy records for all agent IDs in this request + ask_queue_t::const_iterator it = mKeys.begin(); + for ( ; it != mKeys.end(); ++it) { - LLExperienceCache::processExperience((*it), experience); - } + LLSD exp; + exp["expires"]=retry_timestamp; + exp[it->second] = it->first; + exp["key_type"] = it->second; + exp["uuid"] = it->first; + exp["error"] = (LLSD::Integer)status; + LLExperienceCache::processExperience(it->first, exp); + } + } // 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) { - F64 now = LLFrameTimer::getTotalSeconds(); // Retry-After takes priority LLSD retry_after = mHeaders["retry-after"]; @@ -297,7 +325,7 @@ namespace LLExperienceCache if (delta_seconds > 0) { // ...valid delta-seconds - return now + F64(delta_seconds); + return F64(delta_seconds); } } @@ -313,78 +341,87 @@ namespace LLExperienceCache { // ...service unavailable, retry soon const F64 SERVICE_UNAVAILABLE_DELAY = 600.0; // 10 min - return now + SERVICE_UNAVAILABLE_DELAY; + 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 now + DEFAULT_DELAY; + return DEFAULT_DELAY; } } private: - std::vector<LLUUID> mAgentIds; + ask_queue_t mKeys; LLSD mHeaders; }; void requestExperiences() { - if(sAskQueue.empty()) + if(sAskQueue.empty() || sLookupURL.empty()) return; F64 now = LLFrameTimer::getTotalSeconds(); - const U32 NAME_URL_MAX = 4096; - const U32 NAME_URL_SEND_THRESHOLD = 3000; + const U32 EXP_URL_SEND_THRESHOLD = 3000; - std::string url; - url.reserve(NAME_URL_MAX); - std::vector<LLUUID> agent_ids; - agent_ids.reserve(128); + std::ostringstream ostr; - url += sLookupURL; + ask_queue_t keys; - std::string arg="?ids="; + ostr << sLookupURL; + + char arg='?'; int request_count = 0; for(ask_queue_t::const_iterator it = sAskQueue.begin() ; it != sAskQueue.end() && request_count < sMaximumLookups; ++it) { - const LLUUID& agent_id = *it; + const LLUUID& key = it->first; + const std::string& key_type = it->second; + + ostr << arg << key_type << '=' << key.asString() ; - url += arg; - url += agent_id.asString(); - agent_ids.push_back(agent_id); + keys[key]=key_type; request_count++; - sPendingQueue[agent_id] = now; + sPendingQueue[key] = now; - arg[0]='&'; + arg='&'; - if(url.size() > NAME_URL_SEND_THRESHOLD) + if(ostr.tellp() > EXP_URL_SEND_THRESHOLD) { - LLHTTPClient::get(url, new LLExperienceResponder(agent_ids)); - url = sLookupURL; - arg[0]='?'; - agent_ids.clear(); + LL_INFOS("ExperienceCache") << " query: " << ostr.str() << LL_ENDL; + LLHTTPClient::get(ostr.str(), new LLExperienceResponder(keys)); + ostr.clear(); + ostr.str(sLookupURL); + arg='?'; + keys.clear(); } } - if(url.size() > sLookupURL.size()) + if(ostr.tellp() > sLookupURL.size()) { - LLHTTPClient::get(url, new LLExperienceResponder(agent_ids)); + LL_INFOS("ExperienceCache") << " query: " << ostr.str() << LL_ENDL; + LLHTTPClient::get(ostr.str(), new LLExperienceResponder(keys)); } sAskQueue.clear(); } - bool isRequestPending(const LLUUID& agent_id) + bool 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(agent_id); + pending_queue_t::const_iterator it = sPendingQueue.find(public_key); if(it != sPendingQueue.end()) { @@ -399,6 +436,10 @@ namespace LLExperienceCache void setLookupURL( const std::string& lookup_url ) { sLookupURL = lookup_url; + if(!sLookupURL.empty()) + { + sLookupURL += "id/"; + } } bool hasLookupURL() @@ -429,87 +470,136 @@ namespace LLExperienceCache } } - void erase( const LLUUID& agent_id ) + struct FindByKey + { + FindByKey(const LLUUID& key, const std::string& key_type):mKey(key), mKeyType(key_type){} + const LLUUID& mKey; + const std::string& mKeyType; + + bool operator()(cache_t::value_type& experience) + { + return experience.second.has(mKeyType) && experience.second[mKeyType].asUUID() == mKey; + } + }; + + + cache_t::iterator Find(const LLUUID& key, const std::string& key_type) + { + LL_INFOS("ExperienceCache") << " searching for " << key << " of type " << key_type << LL_ENDL; + if(key_type == MAP_KEY) + { + return sCache.find(key); + } + + return std::find_if(sCache.begin(), sCache.end(), FindByKey(key, key_type)); + } + + + void erase( const LLUUID& key, const std::string& key_type ) { - sCache.erase(agent_id); + cache_t::iterator it = Find(key, key_type); + + if(it != sCache.end()) + { + sCache.erase(it); + } } void eraseExpired() { - S32 expired_count = 0; F64 now = LLFrameTimer::getTotalSeconds(); cache_t::iterator it = sCache.begin(); while (it != sCache.end()) { cache_t::iterator cur = it; + LLSD& exp = cur->second; ++it; - const LLExperienceData& experience = cur->second; - if (experience.mExpires < now) + if(exp.has("expires") && exp["expires"].asReal() < now) { - sCache.erase(cur); - expired_count++; + if(exp.has("key_type") && exp.has("uuid")) + { + fetch(exp["uuid"].asUUID(), exp["key_type"].asString(), true); + sCache.erase(cur); + } + else if(exp.has(MAP_KEY)) + { + LLUUID id = exp[MAP_KEY]; + if(!id.isNull()) + { + fetch(id, MAP_KEY, true); + } + } } } } - - void fetch( const LLUUID& agent_id ) + + bool fetch( const LLUUID& key, const std::string& key_type, bool refresh/* = true*/ ) { - LL_DEBUGS("ExperienceCache") << __FUNCTION__ << "queue request for agent" << agent_id << LL_ENDL ; - sAskQueue.insert(agent_id); + if(!key.isNull() && !isRequestPending(key) && (refresh || Find(key, key_type)==sCache.end())) + { + LL_INFOS("ExperienceCache") << " queue request for " << key_type << " " << key << LL_ENDL ; + sAskQueue[key]=key_type; + + return true; + } + return false; } - void insert( const LLUUID& agent_id, const LLExperienceData& experience_data ) + void insert(const LLSD& experience_data ) { - sCache[agent_id]=experience_data; + if(experience_data.has(MAP_KEY)) + { + sCache[experience_data[MAP_KEY].asUUID()]=experience_data; + } + else + { + LL_WARNS("ExperienceCache") << ": Ignoring cache insert of experience which is missing " << MAP_KEY << LL_ENDL; + } } - bool get( const LLUUID& agent_id, LLExperienceData* experience_data ) + bool get( const LLUUID& key, const std::string& key_type, LLSD& experience_data ) { - cache_t::const_iterator it = sCache.find(agent_id); + if(key.isNull()) return false; + cache_t::const_iterator it = Find(key, key_type); + if (it != sCache.end()) { - llassert(experience_data); - *experience_data = it->second; + experience_data = it->second; return true; } - if(!isRequestPending(agent_id)) - { - fetch(agent_id); - } + fetch(key, key_type); return false; } - - void get( const LLUUID& agent_id, callback_slot_t slot ) + void get( const LLUUID& key, const std::string& key_type, callback_slot_t slot ) { - cache_t::const_iterator it = sCache.find(agent_id); + if(key.isNull()) return; + + cache_t::const_iterator it = Find(key, key_type); if (it != sCache.end()) { // ...name already exists in cache, fire callback now callback_signal_t signal; signal.connect(slot); - signal(agent_id, it->second); + + signal(it->second); return; } - // schedule a request - if (!isRequestPending(agent_id)) - { - sAskQueue.insert(agent_id); - } + fetch(key, key_type); // always store additional callback, even if request is pending - signal_map_t::iterator sig_it = sSignalMap.find(agent_id); + 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[agent_id] = signal; + sSignalMap[key] = signal; } else { @@ -520,30 +610,3 @@ namespace LLExperienceCache } } - -static const std::string EXPERIENCE_NAME("username"); -static const std::string EXPERIENCE_DESCRIPTION("display_name"); -static const std::string EXPERIENCE_EXPIRATION("display_name_expires"); - -bool LLExperienceData::fromLLSD( const LLSD& sd ) -{ - mDisplayName = sd[EXPERIENCE_NAME].asString(); - mDescription = sd[EXPERIENCE_DESCRIPTION].asString(); - LLDate expiration = sd[EXPERIENCE_EXPIRATION]; - mExpires = expiration.secondsSinceEpoch(); - - if(mDisplayName.empty() || mDescription.empty()) return false; - - mDescription += " % Hey, this is a description!"; - return true; -} - -LLSD LLExperienceData::asLLSD() const -{ - LLSD sd; - sd[EXPERIENCE_NAME] = mDisplayName; - sd[EXPERIENCE_DESCRIPTION] = mDescription.substr(0, llmin(mDescription.size(),mDescription.find(" %"))); - sd[EXPERIENCE_EXPIRATION] = LLDate(mExpires); - - return sd; -} |