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Bucket for inbound when scheduling invs to hide tx time

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Gleb 2018-05-21 12:02:40 -07:00 • committed by User
parent 287e4edc2f
commit d45b344ffd
4 changed files with 45 additions and 19 deletions
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16
src/net.cpp
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@ -2864,8 +2864,20 @@ bool CConnman::ForNode(NodeId id, std::function<bool(CNode* pnode)> func)
return found != nullptr && NodeFullyConnected(found) && func(found);
}
int64_t PoissonNextSend(int64_t nNow, int average_interval_seconds) {
return nNow + (int64_t)(log1p(GetRand(1ULL << 48) * -0.0000000000000035527136788 /* -1/2^48 */) * average_interval_seconds * -1000000.0 + 0.5);
int64_t CConnman::PoissonNextSendInbound(int64_t now, int average_interval_seconds)
{
if (m_next_send_inv_to_incoming < now) {
// If this function were called from multiple threads simultaneously
// it would possible that both update the next send variable, and return a different result to their caller.
// This is not possible in practice as only the net processing thread invokes this function.
m_next_send_inv_to_incoming = PoissonNextSend(now, average_interval_seconds);
}
return m_next_send_inv_to_incoming;
}
int64_t PoissonNextSend(int64_t now, int average_interval_seconds)
{
return now + (int64_t)(log1p(GetRand(1ULL << 48) * -0.0000000000000035527136788 /* -1/2^48 */) * average_interval_seconds * -1000000.0 + 0.5);
}
CSipHasher CConnman::GetDeterministicRandomizer(uint64_t id) const