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[net processing] Remove CNodeState.nBlocksInFlightValidHeaders

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nBlocksInFlightValidHeaders always has the same value as nBlocksInFlight, since we only download
blocks with valid headers.
This commit is contained in:
John Newbery 2021-06-03 12:45:15 +01:00
parent b4e29f2436
commit b03de9c753
1 changed files with 6 additions and 11 deletions
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17
src/net_processing.cpp
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@ -629,7 +629,6 @@ struct CNodeState {
//! When the first entry in vBlocksInFlight started downloading. Don't care when vBlocksInFlight is empty.
std::chrono::microseconds m_downloading_since{0us};
int nBlocksInFlight{0};
int nBlocksInFlightValidHeaders{0};
//! Whether we consider this a preferred download peer.
bool fPreferredDownload{false};
//! Whether this peer wants invs or headers (when possible) for block announcements.
@ -766,17 +765,16 @@ bool PeerManagerImpl::MarkBlockAsReceived(const uint256& hash)
if (itInFlight != mapBlocksInFlight.end()) {
CNodeState *state = State(itInFlight->second.first);
assert(state != nullptr);
state->nBlocksInFlightValidHeaders -= 1;
if (state->nBlocksInFlightValidHeaders == 0) {
// Last validated block on the queue was received.
nPeersWithValidatedDownloads--;
}
if (state->vBlocksInFlight.begin() == itInFlight->second.second) {
// First block on the queue was received, update the start download time for the next one
state->m_downloading_since = std::max(state->m_downloading_since, GetTime<std::chrono::microseconds>());
}
state->vBlocksInFlight.erase(itInFlight->second.second);
state->nBlocksInFlight--;
if (state->nBlocksInFlight == 0) {
// Last validated block on the queue was received.
nPeersWithValidatedDownloads--;
}
state->m_stalling_since = 0us;
mapBlocksInFlight.erase(itInFlight);
return true;
@ -807,12 +805,9 @@ bool PeerManagerImpl::MarkBlockAsInFlight(NodeId nodeid, const CBlockIndex* pind
std::list<QueuedBlock>::iterator it = state->vBlocksInFlight.insert(state->vBlocksInFlight.end(),
{hash, pindex, std::unique_ptr<PartiallyDownloadedBlock>(pit ? new PartiallyDownloadedBlock(&m_mempool) : nullptr)});
state->nBlocksInFlight++;
state->nBlocksInFlightValidHeaders += 1;
if (state->nBlocksInFlight == 1) {
// We're starting a block download (batch) from this peer.
state->m_downloading_since = GetTime<std::chrono::microseconds>();
}
if (state->nBlocksInFlightValidHeaders == 1) {
nPeersWithValidatedDownloads++;
}
itInFlight = mapBlocksInFlight.insert(std::make_pair(hash, std::make_pair(nodeid, it))).first;
@ -1139,7 +1134,7 @@ void PeerManagerImpl::FinalizeNode(const CNode& node)
WITH_LOCK(g_cs_orphans, m_orphanage.EraseForPeer(nodeid));
m_txrequest.DisconnectedPeer(nodeid);
nPreferredDownload -= state->fPreferredDownload;
nPeersWithValidatedDownloads -= (state->nBlocksInFlightValidHeaders != 0);
nPeersWithValidatedDownloads -= (state->nBlocksInFlight != 0);
assert(nPeersWithValidatedDownloads >= 0);
m_outbound_peers_with_protect_from_disconnect -= state->m_chain_sync.m_protect;
assert(m_outbound_peers_with_protect_from_disconnect >= 0);
@ -4717,7 +4712,7 @@ bool PeerManagerImpl::SendMessages(CNode* pto)
// to unreasonably increase our timeout.
if (state.vBlocksInFlight.size() > 0) {
QueuedBlock &queuedBlock = state.vBlocksInFlight.front();
int nOtherPeersWithValidatedDownloads = nPeersWithValidatedDownloads - (state.nBlocksInFlightValidHeaders > 0);
int nOtherPeersWithValidatedDownloads = nPeersWithValidatedDownloads - 1;
if (current_time > state.m_downloading_since + std::chrono::seconds{consensusParams.nPowTargetSpacing} * (BLOCK_DOWNLOAD_TIMEOUT_BASE + BLOCK_DOWNLOAD_TIMEOUT_PER_PEER * nOtherPeersWithValidatedDownloads)) {
LogPrintf("Timeout downloading block %s from peer=%d, disconnecting\n", queuedBlock.hash.ToString(), pto->GetId());
pto->fDisconnect = true;