net: Use actual memory size in receive buffer accounting

Add a method CNetMessage::GetMemoryUsage and use this for accounting of
the size of the process receive queue instead of the raw message size.

This ensures that allocation and deserialization overhead is taken into
account.
This commit is contained in:
laanwj 2024-10-27 09:05:20 +01:00
parent 047b5e2af1
commit d22a234ed2
2 changed files with 10 additions and 2 deletions

View File

@ -124,6 +124,11 @@ size_t CSerializedNetMsg::GetMemoryUsage() const noexcept
return sizeof(*this) + memusage::DynamicUsage(m_type) + memusage::DynamicUsage(data);
}
size_t CNetMessage::GetMemoryUsage() const noexcept
{
return sizeof(*this) + memusage::DynamicUsage(m_type) + m_recv.GetMemoryUsage();
}
void CConnman::AddAddrFetch(const std::string& strDest)
{
LOCK(m_addr_fetches_mutex);
@ -3769,7 +3774,7 @@ void CNode::MarkReceivedMsgsForProcessing()
for (const auto& msg : vRecvMsg) {
// vRecvMsg contains only completed CNetMessage
// the single possible partially deserialized message are held by TransportDeserializer
nSizeAdded += msg.m_raw_message_size;
nSizeAdded += msg.GetMemoryUsage();
}
LOCK(m_msg_process_queue_mutex);
@ -3786,7 +3791,7 @@ std::optional<std::pair<CNetMessage, bool>> CNode::PollMessage()
std::list<CNetMessage> msgs;
// Just take one message
msgs.splice(msgs.begin(), m_msg_process_queue, m_msg_process_queue.begin());
m_msg_process_queue_size -= msgs.front().m_raw_message_size;
m_msg_process_queue_size -= msgs.front().GetMemoryUsage();
fPauseRecv = m_msg_process_queue_size > m_recv_flood_size;
return std::make_pair(std::move(msgs.front()), !m_msg_process_queue.empty());

View File

@ -245,6 +245,9 @@ public:
CNetMessage(const CNetMessage&) = delete;
CNetMessage& operator=(CNetMessage&&) = default;
CNetMessage& operator=(const CNetMessage&) = delete;
/** Compute total memory usage of this object (own memory + any dynamic memory). */
size_t GetMemoryUsage() const noexcept;
};
/** The Transport converts one connection's sent messages to wire bytes, and received bytes back. */