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explore 5 addresses at the time

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orignal 2014-06-16 22:30:34 -04:00
parent d6b97670c4
commit 566909a50c
2 changed files with 45 additions and 34 deletions
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37
NetDb.cpp
View file

@ -122,7 +122,10 @@ namespace data
}
}
else // if no new DatabaseStore coming, explore it
Explore ();
{
auto numRouters = m_RouterInfos.size ();
Explore (numRouters < 1500 ? 5 : 1);
}
uint64_t ts = i2p::util::GetSecondsSinceEpoch ();
if (ts - lastSave >= 60) // save routers and validate subscriptions every minute
@ -532,23 +535,29 @@ namespace data
i2p::DeleteI2NPMessage (msg);
}
void NetDb::Explore ()
void NetDb::Explore (int numDestinations)
{
CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator ();
uint8_t randomHash[32];
rnd.GenerateBlock (randomHash, 32);
RequestedDestination * dest = CreateRequestedDestination (IdentHash (randomHash), false, true);
auto floodfill = GetClosestFloodfill (randomHash, dest->GetExcludedPeers ());
if (floodfill)
{
LogPrint ("Exploring new routers ...");
auto exploratoryPool = i2p::tunnel::tunnels.GetExploratoryPool ();
auto outbound = exploratoryPool ? exploratoryPool->GetNextOutboundTunnel () : nullptr;
auto inbound = exploratoryPool ? exploratoryPool->GetNextInboundTunnel () : nullptr;
if (outbound && inbound)
bool throughTunnels = outbound && inbound;
CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator ();
uint8_t randomHash[32];
std::vector<i2p::tunnel::TunnelMessageBlock> msgs;
std::set<const RouterInfo *> floodfills;
LogPrint ("Exploring new ", numDestinations, " routers ...");
for (int i = 0; i < numDestinations; i++)
{
rnd.GenerateBlock (randomHash, 32);
RequestedDestination * dest = CreateRequestedDestination (IdentHash (randomHash), false, true);
auto floodfill = GetClosestFloodfill (randomHash, dest->GetExcludedPeers ());
if (floodfill && !floodfills.count (floodfill)) // request floodfill only once
{
floodfills.insert (floodfill);
if (throughTunnels)
{
dest->SetLastOutboundTunnel (outbound);
std::vector<i2p::tunnel::TunnelMessageBlock> msgs;
msgs.push_back (i2p::tunnel::TunnelMessageBlock
{
i2p::tunnel::eDeliveryTypeRouter,
@ -561,7 +570,6 @@ namespace data
floodfill->GetIdentHash (), 0,
dest->CreateRequestMessage (floodfill, inbound) // explore
});
outbound->SendTunnelDataMsg (msgs);
}
else
{
@ -573,6 +581,9 @@ namespace data
else
DeleteRequestedDestination (dest);
}
if (throughTunnels && msgs.size () > 0)
outbound->SendTunnelDataMsg (msgs);
}
void NetDb::Publish ()
{

2
NetDb.h
View file

@ -91,7 +91,7 @@ namespace data
void Load (const char * directory);
void SaveUpdated (const char * directory);
void Run (); // exploratory thread
void Explore ();
void Explore (int numDestinations);
void Publish ();
void ValidateSubscriptions ();
const RouterInfo * GetClosestFloodfill (const IdentHash& destination, const std::set<IdentHash>& excluded) const;