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Merge bitcoin/bitcoin#27257: refactor, net: End friendship of CNode, CConnman and ConnmanTestMsg

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3566aa7d49 [net] Remove CNode friends (dergoegge)
3eac5e7cd1 [net] Add CNode helper for send byte accounting (dergoegge)
60441a3432 scripted-diff: [net] Rename CNode process queue members (dergoegge)
6693c499f7 [net] Make cs_vProcessMsg a non-recursive mutex (dergoegge)
23d9352654 [net] Make CNode msg process queue members private (dergoegge)
897e342d6e [net] Encapsulate CNode message polling (dergoegge)
cc5cdf8776 [net] Deduplicate marking received message for processing (dergoegge)
ad44aa5c64 [net] Add connection type getter to CNode (dergoegge)

Pull request description:

  We should define clear interfaces between CNode, CConnman and PeerManager. This PR makes a small step in that direction by ending the friendship of CNode, CConnman and ConnmanTestMsg. CNode's message processing queue is made private in the process and its mutex is turned into a non-recursive mutex.

ACKs for top commit:
  jnewbery:
    utACK 3566aa7d49
  vasild:
    ACK 3566aa7d49
  theStack:
    re-ACK 3566aa7d49
  brunoerg:
    re-ACK 3566aa7d49

Tree-SHA512: 26b87da5054e32401b693b2904e9c5f40e35a53937c0b6cf44b8597034ad07bacf27d87cdffc54d3e7ccfebde4231ef30a38d326f88cc18133bbb34688ead567
This commit is contained in:
fanquake
2023-03-23 17:16:21 +00:00
parent 381593c906 3566aa7d49
commit 2305643646
4 changed files with 72 additions and 47 deletions
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19
src/net_processing.cpp
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@@ -4860,8 +4860,6 @@ bool PeerManagerImpl::ProcessMessages(CNode* pfrom, std::atomic<bool>& interrupt
{
AssertLockHeld(g_msgproc_mutex);
bool fMoreWork = false;
PeerRef peer = GetPeerRef(pfrom->GetId());
if (peer == nullptr) return false;
@@ -4889,17 +4887,14 @@ bool PeerManagerImpl::ProcessMessages(CNode* pfrom, std::atomic<bool>& interrupt
// Don't bother if send buffer is too full to respond anyway
if (pfrom->fPauseSend) return false;
std::list<CNetMessage> msgs;
{
LOCK(pfrom->cs_vProcessMsg);
if (pfrom->vProcessMsg.empty()) return false;
// Just take one message
msgs.splice(msgs.begin(), pfrom->vProcessMsg, pfrom->vProcessMsg.begin());
pfrom->nProcessQueueSize -= msgs.front().m_raw_message_size;
pfrom->fPauseRecv = pfrom->nProcessQueueSize > m_connman.GetReceiveFloodSize();
fMoreWork = !pfrom->vProcessMsg.empty();
auto poll_result{pfrom->PollMessage(m_connman.GetReceiveFloodSize())};
if (!poll_result) {
// No message to process
return false;
}
CNetMessage& msg(msgs.front());
CNetMessage& msg{poll_result->first};
bool fMoreWork = poll_result->second;
TRACE6(net, inbound_message,
pfrom->GetId(),