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-rwxr-xr-xindra/llmessage/llcurl.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp
index 588e6eea83..9e68c68858 100755
--- a/indra/llmessage/llcurl.cpp
+++ b/indra/llmessage/llcurl.cpp
@@ -6,7 +6,7 @@
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
+ * Copyright (C) 2010-2013, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -294,9 +294,12 @@ LLCurl::Easy* LLCurl::Easy::getEasy()
return NULL;
}
- // set no DNS caching as default for all easy handles. This prevents them adopting a
- // multi handles cache if they are added to one.
- CURLcode result = curl_easy_setopt(easy->mCurlEasyHandle, CURLOPT_DNS_CACHE_TIMEOUT, 0);
+ // Enable a brief cache period for now. This was zero for the longest time
+ // which caused some routers grief and generated unneeded traffic. For the
+ // threaded resolver, we're using system resolution libraries and non-zero values
+ // are preferred. The c-ares resolver is another matter and it might not
+ // track server changes as well.
+ CURLcode result = curl_easy_setopt(easy->mCurlEasyHandle, CURLOPT_DNS_CACHE_TIMEOUT, 15);
check_curl_code(result);
result = curl_easy_setopt(easy->mCurlEasyHandle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
check_curl_code(result);