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hold previous lookup response

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orignal 2016-03-22 13:10:02 -04:00
parent 447566fe14
commit c5644ee3f9
2 changed files with 40 additions and 6 deletions
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43
NetDb.cpp
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@ -118,6 +118,7 @@ namespace data
{
SaveUpdated ();
ManageLeaseSets ();
ManageLookupResponses ();
}
lastSave = ts;
}
@ -671,13 +672,31 @@ namespace data
if (!replyMsg)
{
LogPrint (eLogWarning, "NetDb: Requested ", key, " not found. ", numExcluded, " excluded");
std::set<IdentHash> excludedRouters;
for (int i = 0; i < numExcluded; i++)
{
excludedRouters.insert (excluded);
excluded += 32;
// find or cleate response
std::vector<IdentHash> closestFloodfills;
bool found = false;
if (!numExcluded)
{
auto it = m_LookupResponses.find (ident);
if (it != m_LookupResponses.end ())
{
closestFloodfills = it->second.first;
found = true;
}
}
if (!found)
{
std::set<IdentHash> excludedRouters;
for (int i = 0; i < numExcluded; i++)
{
excludedRouters.insert (excluded);
excluded += 32;
}
closestFloodfills = GetClosestFloodfills (ident, 3, excludedRouters, true);
if (!numExcluded) // save if no excluded
m_LookupResponses[ident] = std::make_pair(closestFloodfills, i2p::util::GetSecondsSinceEpoch ());
}
replyMsg = CreateDatabaseSearchReply (ident, GetClosestFloodfills (ident, 3, excludedRouters, true));
replyMsg = CreateDatabaseSearchReply (ident, closestFloodfills);
}
}
@ -972,5 +991,17 @@ namespace data
it++;
}
}
void NetDb::ManageLookupResponses ()
{
auto ts = i2p::util::GetSecondsSinceEpoch ();
for (auto it = m_LookupResponses.begin (); it != m_LookupResponses.end ();)
{
if (ts > it->second.second + 180) // 3 minutes
it = m_LookupResponses.erase (it);
else
it++;
}
}
}
}

3
NetDb.h
View file

@ -84,6 +84,7 @@ namespace data
void Publish ();
void ManageLeaseSets ();
void ManageRequests ();
void ManageLookupResponses ();
template<typename Filter>
std::shared_ptr<const RouterInfo> GetRandomRouter (Filter filter) const;
@ -108,6 +109,8 @@ namespace data
friend class NetDbRequests;
NetDbRequests m_Requests;
std::map<IdentHash, std::pair<std::vector<IdentHash>, uint64_t> > m_LookupResponses; // ident->(closest FFs, timestamp)
};
extern NetDb netdb;