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Merge #17243: p2p: add PoissonNextSend method that returns mockable time

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1a8f0d5a74 [tools] update nNextInvSend to use mockable time (Amiti Uttarwar)
4de630354f [tools] add PoissonNextSend method that returns mockable time (Amiti Uttarwar)

Pull request description:

  Introduce a Poisson helper method that wraps the existing method to return `std::chrono::duration` type, which is mockable.

  Needed for https://github.com/bitcoin/bitcoin/pull/16698.

ACKs for top commit:
  ajtowns:
    ACK 1a8f0d5a74
  MarcoFalke:
    re-ACK 1a8f0d5a74
  naumenkogs:
    ACK 1a8f0d5, and let's merge it and come back to it later.

Tree-SHA512: 7e2325d7c55fc0b4357cb86b83e0c218ba269f678c1786342d8bc380bfd9696373bc24ff124b9ff17a6e761c62b2b44ff5247c3911e2afdc7cc5c20417e8290b
This commit is contained in:
MarcoFalke
2019-11-05 12:38:17 -05:00
parent 54a337478d 1a8f0d5a74
commit c7e6b3b343
3 changed files with 27 additions and 9 deletions
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10
src/net_processing.cpp
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@@ -3575,6 +3575,8 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
// Address refresh broadcast
int64_t nNow = GetTimeMicros();
auto current_time = GetTime<std::chrono::microseconds>();
if (pto->IsAddrRelayPeer() && !::ChainstateActive().IsInitialBlockDownload() && pto->nNextLocalAddrSend < nNow) {
AdvertiseLocal(pto);
pto->nNextLocalAddrSend = PoissonNextSend(nNow, AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL);
@@ -3796,13 +3798,13 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
LOCK(pto->m_tx_relay->cs_tx_inventory);
// Check whether periodic sends should happen
bool fSendTrickle = pto->HasPermission(PF_NOBAN);
if (pto->m_tx_relay->nNextInvSend < nNow) {
if (pto->m_tx_relay->nNextInvSend < current_time) {
fSendTrickle = true;
if (pto->fInbound) {
pto->m_tx_relay->nNextInvSend = connman->PoissonNextSendInbound(nNow, INVENTORY_BROADCAST_INTERVAL);
pto->m_tx_relay->nNextInvSend = std::chrono::microseconds{connman->PoissonNextSendInbound(nNow, INVENTORY_BROADCAST_INTERVAL)};
} else {
// Use half the delay for outbound peers, as there is less privacy concern for them.
pto->m_tx_relay->nNextInvSend = PoissonNextSend(nNow, INVENTORY_BROADCAST_INTERVAL >> 1);
pto->m_tx_relay->nNextInvSend = PoissonNextSend(current_time, std::chrono::seconds{INVENTORY_BROADCAST_INTERVAL >> 1});
}
}
@@ -3917,7 +3919,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
connman->PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
// Detect whether we're stalling
const auto current_time = GetTime<std::chrono::microseconds>();
current_time = GetTime<std::chrono::microseconds>();
// nNow is the current system time (GetTimeMicros is not mockable) and
// should be replaced by the mockable current_time eventually
nNow = GetTimeMicros();