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feat(Core/Optimization): Reduce CPU consumption by allocating sendBuffer only when it is needed. (#18628)

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* feat(Core/Optimization): Reduce CPU consumption by allocating the sendBuffer only when it is needed.

* Remove whitespaces.
This commit is contained in:
Anton Popovichenko
2024-04-01 10:49:42 +02:00
committed by GitHub
parent 2aaf8474ba
commit aee2eefb92
1 changed files with 35 additions and 32 deletions
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67
src/server/game/Server/WorldSocket.cpp
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@@ -161,43 +161,46 @@ void WorldSocket::CheckIpCallback(PreparedQueryResult result)
bool WorldSocket::Update()
{
EncryptableAndCompressiblePacket* queued;
MessageBuffer buffer(_sendBufferSize);
while (_bufferQueue.Dequeue(queued))
if (_bufferQueue.Dequeue(queued))
{
queued->CompressIfNeeded();
ServerPktHeader header(queued->size() + 2, queued->GetOpcode());
if (queued->NeedsEncryption())
_authCrypt.EncryptSend(header.header, header.getHeaderLength());
if (buffer.GetRemainingSpace() < queued->size() + header.getHeaderLength())
// Allocate buffer only when it's needed but not on every Update() call.
MessageBuffer buffer(_sendBufferSize);
do
{
queued->CompressIfNeeded();
ServerPktHeader header(queued->size() + 2, queued->GetOpcode());
if (queued->NeedsEncryption())
_authCrypt.EncryptSend(header.header, header.getHeaderLength());
if (buffer.GetRemainingSpace() < queued->size() + header.getHeaderLength())
{
QueuePacket(std::move(buffer));
buffer.Resize(_sendBufferSize);
}
if (buffer.GetRemainingSpace() >= queued->size() + header.getHeaderLength())
{
buffer.Write(header.header, header.getHeaderLength());
if (!queued->empty())
buffer.Write(queued->contents(), queued->size());
}
else // single packet larger than 4096 bytes
{
MessageBuffer packetBuffer(queued->size() + header.getHeaderLength());
packetBuffer.Write(header.header, header.getHeaderLength());
if (!queued->empty())
packetBuffer.Write(queued->contents(), queued->size());
QueuePacket(std::move(packetBuffer));
}
delete queued;
} while (_bufferQueue.Dequeue(queued));
if (buffer.GetActiveSize() > 0)
QueuePacket(std::move(buffer));
buffer.Resize(_sendBufferSize);
}
if (buffer.GetRemainingSpace() >= queued->size() + header.getHeaderLength())
{
buffer.Write(header.header, header.getHeaderLength());
if (!queued->empty())
buffer.Write(queued->contents(), queued->size());
}
else // single packet larger than 4096 bytes
{
MessageBuffer packetBuffer(queued->size() + header.getHeaderLength());
packetBuffer.Write(header.header, header.getHeaderLength());
if (!queued->empty())
packetBuffer.Write(queued->contents(), queued->size());
QueuePacket(std::move(packetBuffer));
}
delete queued;
}
if (buffer.GetActiveSize() > 0)
QueuePacket(std::move(buffer));
if (!BaseSocket::Update())
return false;