Method Flood

libi2pd/NetDb.cpp:1104–1141

	}

	void NetDb::Flood (const IdentHash& ident, std::shared_ptr<I2NPMessage> floodMsg, bool andNextDay)
	{
		std::unordered_set<IdentHash> excluded;
		excluded.insert (i2p::context.GetIdentHash ()); // don't flood to itself
		excluded.insert (ident); // don't flood back
		for (int i = 0; i < 3; i++)
		{
			auto floodfill = GetClosestFloodfill (ident, excluded, false); // current day
			if (floodfill)
			{
				const auto& h = floodfill->GetIdentHash();
				transports.SendMessage (h, CopyI2NPMessage(floodMsg));
				excluded.insert (h);
			}
			else
				return; // no more floodfills
		}
		if (andNextDay)
		{
			// flood to two more closest flodfills for next day
			std::unordered_set<IdentHash> excluded1;
			excluded1.insert (i2p::context.GetIdentHash ()); // don't flood to itself
			excluded1.insert (ident); // don't flood back
			for (int i = 0; i < 2; i++)
			{
				auto floodfill = GetClosestFloodfill (ident, excluded1, true); // next day
				if (floodfill)
				{
					const auto& h = floodfill->GetIdentHash();
					if (!excluded.count (h)) // we didn't send for current day, otherwise skip
						transports.SendMessage (h, CopyI2NPMessage(floodMsg));
					excluded1.insert (h);
				}
				else
					return;
			}
		}
	}

	std::shared_ptr<const RouterInfo> NetDb::GetRandomRouter () const
	{