Merge pull request #3420 from codablock/pr_speedups5

Avoid calling SendMessages (and others) for all nodes all the time
This commit is contained in:
Alexander Block 2020-04-17 07:34:23 +02:00 committed by GitHub
commit 1e30054b9e
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 39 additions and 10 deletions

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@ -1660,15 +1660,22 @@ void CConnman::SocketHandler()
}
}
InactivityCheck(pnode);
}
ReleaseNodeVector(vNodesCopy);
}
void CConnman::ThreadSocketHandler()
{
int64_t nLastCleanupNodes = 0;
while (!interruptNet)
{
if (GetTimeMillis() - nLastCleanupNodes > 1000) {
ForEachNode(AllNodes, [&](CNode* pnode) {
InactivityCheck(pnode);
});
nLastCleanupNodes = GetTimeMillis();
}
DisconnectNodes();
NotifyNumConnectionsChanged();
SocketHandler();
@ -2436,11 +2443,20 @@ void CConnman::OpenMasternodeConnection(const CAddress &addrConnect, bool probe)
void CConnman::ThreadMessageHandler()
{
int64_t nLastForceSendMessages = 0;
while (!flagInterruptMsgProc)
{
std::vector<CNode*> vNodesCopy = CopyNodeVector();
int64_t nNow = GetTimeMillis();
bool fMoreWork = false;
bool fForceSendMessages = false;
if (nNow - nLastForceSendMessages >= 100) {
fForceSendMessages = true;
nLastForceSendMessages = nNow;
}
for (CNode* pnode : vNodesCopy)
{
@ -2448,12 +2464,13 @@ void CConnman::ThreadMessageHandler()
continue;
// Receive messages
bool fMoreNodeWork = m_msgproc->ProcessMessages(pnode, flagInterruptMsgProc);
bool fDidWork = false;
bool fMoreNodeWork = m_msgproc->ProcessMessages(pnode, flagInterruptMsgProc, fDidWork);
fMoreWork |= (fMoreNodeWork && !pnode->fPauseSend);
if (flagInterruptMsgProc)
return;
// Send messages
{
if (fDidWork || fForceSendMessages) {
LOCK(pnode->cs_sendProcessing);
m_msgproc->SendMessages(pnode, flagInterruptMsgProc);
}

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@ -633,7 +633,7 @@ struct CombinerAll
class NetEventsInterface
{
public:
virtual bool ProcessMessages(CNode* pnode, std::atomic<bool>& interrupt) = 0;
virtual bool ProcessMessages(CNode* pnode, std::atomic<bool>& interrupt, bool &fRetDidWork) = 0;
virtual bool SendMessages(CNode* pnode, std::atomic<bool>& interrupt) = 0;
virtual void InitializeNode(CNode* pnode) = 0;
virtual void FinalizeNode(NodeId id, bool& update_connection_time) = 0;

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@ -3529,7 +3529,7 @@ static bool SendRejectsAndCheckIfBanned(CNode* pnode, CConnman* connman)
return false;
}
bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& interruptMsgProc)
bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& interruptMsgProc, bool &fRetDidWork)
{
const CChainParams& chainparams = Params();
//
@ -3541,13 +3541,17 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter
// (x) data
//
bool fMoreWork = false;
fRetDidWork = false;
if (!pfrom->vRecvGetData.empty())
if (!pfrom->vRecvGetData.empty()) {
ProcessGetData(pfrom, chainparams.GetConsensus(), connman, interruptMsgProc);
fRetDidWork = true;
}
if (!pfrom->orphan_work_set.empty()) {
LOCK2(cs_main, g_cs_orphans);
ProcessOrphanTx(connman, pfrom->orphan_work_set);
fRetDidWork = true;
}
if (pfrom->fDisconnect)
@ -3571,6 +3575,7 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter
pfrom->nProcessQueueSize -= msgs.front().vRecv.size() + CMessageHeader::HEADER_SIZE;
pfrom->fPauseRecv = pfrom->nProcessQueueSize > connman->GetReceiveFloodSize();
fMoreWork = !pfrom->vProcessMsg.empty();
fRetDidWork = true;
}
CNetMessage& msg(msgs.front());
@ -3917,13 +3922,20 @@ bool PeerLogicValidation::SendMessages(CNode* pto, std::atomic<bool>& interruptM
// transactions become unconfirmed and spams other nodes.
if (!fReindex && !fImporting && !IsInitialBlockDownload())
{
static int64_t nLastBroadcastTime = 0;
// HACK: Call this only once every few seconds. SendMessages is called once per peer, which makes this signal very expensive
// The proper solution would be to move this out of here, but this is not worth the effort right now as bitcoin#15632 will later do this.
// Luckily, the Broadcast signal is not used for anything else then CWallet::ResendWalletTransactionsBefore.
if (nNow - nLastBroadcastTime >= 5000000) {
GetMainSignals().Broadcast(nTimeBestReceived, connman);
nLastBroadcastTime = nNow;
}
}
//
// Try sending block announcements via headers
//
{
if (!pto->fMasternode) {
// If we have less than MAX_BLOCKS_TO_ANNOUNCE in our
// list of block hashes we're relaying, and our peer wants
// headers announcements, then find the first header
@ -4297,7 +4309,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto, std::atomic<bool>& interruptM
// Message: getdata (blocks)
//
std::vector<CInv> vGetData;
if (!pto->fClient && (fFetch || !IsInitialBlockDownload()) && state.nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) {
if (!pto->fClient && !pto->fMasternode && (fFetch || !IsInitialBlockDownload()) && state.nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) {
std::vector<const CBlockIndex*> vToDownload;
NodeId staller = -1;
FindNextBlocksToDownload(pto->GetId(), MAX_BLOCKS_IN_TRANSIT_PER_PEER - state.nBlocksInFlight, vToDownload, staller, consensusParams);

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@ -53,7 +53,7 @@ public:
void InitializeNode(CNode* pnode) override;
void FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) override;
/** Process protocol messages received from a given node */
bool ProcessMessages(CNode* pfrom, std::atomic<bool>& interrupt) override;
bool ProcessMessages(CNode* pfrom, std::atomic<bool>& interrupt, bool &fRetDidWork) override;
/**
* Send queued protocol messages to be sent to a give node.
*