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[move] Move PoissonNextSend to src/random and update comment

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PoissonNextSend is used by net and net_processing and is stateless, so
place it in the utility random.cpp translation unit.
This commit is contained in:
John Newbery 2021-12-14 10:15:10 +00:00 • committed by Martin Zumsande
parent 801aaac2b3
commit 9e64d69bf7
4 changed files with 20 additions and 10 deletions
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6
src/net.cpp
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@ -3069,12 +3069,6 @@ std::chrono::microseconds CConnman::PoissonNextSendInbound(std::chrono::microsec
return m_next_send_inv_to_incoming;
}
std::chrono::microseconds PoissonNextSend(std::chrono::microseconds now, std::chrono::seconds average_interval)
{
double unscaled = -log1p(GetRand(1ULL << 48) * -0.0000000000000035527136788 /* -1/2^48 */);
return now + std::chrono::duration_cast<std::chrono::microseconds>(unscaled * average_interval + 0.5us);
}
CSipHasher CConnman::GetDeterministicRandomizer(uint64_t id) const
{
return CSipHasher(nSeed0, nSeed1).Write(id);