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Optimize deletion of vNodes entries

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Iterate through the vectors with iterators and use them for .erase().
This avoids an expensive lookup when erasing.
This commit is contained in:
Alexander Block 2020-04-07 06:55:09 +02:00
parent 481339355d
commit 122b740e2d
1 changed files with 12 additions and 6 deletions
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18
src/net.cpp
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@ -1239,9 +1239,9 @@ void CConnman::ThreadSocketHandler()
{
LOCK(cs_vNodes);
// Disconnect unused nodes
std::vector<CNode*> vNodesCopy = vNodes;
for (CNode* pnode : vNodesCopy)
for (auto it = vNodes.begin(); it != vNodes.end(); )
{
CNode* pnode = *it;
if (pnode->fDisconnect)
{
if (fLogIPs) {
@ -1253,7 +1253,7 @@ void CConnman::ThreadSocketHandler()
}
// remove from vNodes
vNodes.erase(remove(vNodes.begin(), vNodes.end(), pnode), vNodes.end());
it = vNodes.erase(it);
// release outbound grant (if any)
pnode->grantOutbound.Release();
@ -1265,17 +1265,20 @@ void CConnman::ThreadSocketHandler()
// hold in disconnected pool until all refs are released
pnode->Release();
vNodesDisconnected.push_back(pnode);
} else {
++it;
}
}
}
{
// Delete disconnected nodes
std::list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected;
for (CNode* pnode : vNodesDisconnectedCopy)
for (auto it = vNodesDisconnected.begin(); it != vNodesDisconnected.end(); )
{
CNode* pnode = *it;
// wait until threads are done using it
bool fDelete = false;
if (pnode->GetRefCount() <= 0) {
bool fDelete = false;
{
TRY_LOCK(pnode->cs_inventory, lockInv);
if (lockInv) {
@ -1286,10 +1289,13 @@ void CConnman::ThreadSocketHandler()
}
}
if (fDelete) {
vNodesDisconnected.remove(pnode);
it = vNodesDisconnected.erase(it);
DeleteNode(pnode);
}
}
if (!fDelete) {
++it;
}
}
}
size_t vNodesSize;