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Reduce heap allocations with small_vector

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ζeh Matt
2024-12-11 21:27:08 +02:00
parent a16b493ae4
commit bc8e8f0360
2 changed files with 6 additions and 3 deletions
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6
src/openrct2/network/NetworkConnection.cpp
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@@ -17,6 +17,8 @@
#include "Socket.h"
#include "network.h"
#include <sfl/small_vector.hpp>
using namespace OpenRCT2;
static constexpr size_t kNetworkDisconnectReasonBufSize = 256;
@@ -101,7 +103,7 @@ NetworkReadPacket NetworkConnection::ReadPacket()
return NetworkReadPacket::MoreData;
}
static std::vector<uint8_t> serializePacket(const NetworkPacket& packet)
static sfl::small_vector<uint8_t, 512> serializePacket(const NetworkPacket& packet)
{
// NOTE: For compatibility reasons for the master server we need to add sizeof(Header.Id) to the size.
// Previously the Id field was not part of the header rather part of the body.
@@ -114,7 +116,7 @@ static std::vector<uint8_t> serializePacket(const NetworkPacket& packet)
header.Size = Convert::HostToNetwork(header.Size);
header.Id = ByteSwapBE(header.Id);
std::vector<uint8_t> buffer;
sfl::small_vector<uint8_t, 512> buffer;
buffer.reserve(sizeof(header) + packet.Data.size());
buffer.insert(buffer.end(), reinterpret_cast<uint8_t*>(&header), reinterpret_cast<uint8_t*>(&header) + sizeof(header));