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Diffstat (limited to 'indra/llmessage/llavatarnamecache.cpp')
-rw-r--r--indra/llmessage/llavatarnamecache.cpp78
1 files changed, 38 insertions, 40 deletions
diff --git a/indra/llmessage/llavatarnamecache.cpp b/indra/llmessage/llavatarnamecache.cpp
index ff31f7665e..700525e1fa 100644
--- a/indra/llmessage/llavatarnamecache.cpp
+++ b/indra/llmessage/llavatarnamecache.cpp
@@ -87,6 +87,9 @@ namespace LLAvatarNameCache
/// 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;
+
//-----------------------------------------------------------------------
// Internal methods
//-----------------------------------------------------------------------
@@ -274,7 +277,7 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id)
{
// there is no existing cache entry, so make a temporary name from legacy
LL_WARNS("AvNameCache") << "LLAvatarNameCache get legacy for agent "
- << agent_id << LL_ENDL;
+ << agent_id << LL_ENDL;
gCacheName->get(agent_id, false, // legacy compatibility
boost::bind(&LLAvatarNameCache::legacyNameCallback,
_1, _2, _3));
@@ -287,13 +290,14 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id)
// Clear this agent from the pending list
LLAvatarNameCache::sPendingQueue.erase(agent_id);
- const LLAvatarName& av_name = existing->second;
+ 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.
}
}
@@ -330,8 +334,9 @@ 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);
@@ -339,10 +344,12 @@ 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())
{
+ it = sAskQueue.begin();
const LLUUID& agent_id = *it;
+ sAskQueue.erase(it);
if (url.empty())
{
@@ -365,27 +372,17 @@ 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,
@@ -402,20 +399,25 @@ void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id,
<< LL_ENDL;
buildLegacyName(full_name, &av_name);
- // Don't add to cache, the data already exists in the legacy name system
- // cache and we don't want or need duplicate storage, because keeping the
- // two copies in sync is complex.
- processName(agent_id, av_name, false);
+ // 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);
}
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)
{
+ it = sAskQueue.begin();
const 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.
@@ -427,10 +429,6 @@ void LLAvatarNameCache::requestNamesViaLegacy()
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)
@@ -507,11 +505,11 @@ 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())
{
@@ -526,6 +524,12 @@ void LLAvatarNameCache::idle()
}
}
+ 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();
}
@@ -583,7 +587,7 @@ void LLAvatarNameCache::buildLegacyName(const std::string& full_name,
av_name->mDisplayName = full_name;
av_name->mIsDisplayNameDefault = true;
av_name->mIsTemporaryName = true;
- av_name->mExpires = F64_MAX; // not used because these are not cached
+ av_name->mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME;
LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::buildLegacyName "
<< full_name
<< LL_ENDL;
@@ -737,12 +741,6 @@ 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?