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- Fixing crash in UDP messaging meshing when too many endpoints are found

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#rb jason.walter
#jira

[CL 27555234 by simon therriault in ue5-main branch]
This commit is contained in:
simon therriault
2023-09-01 10:41:33 -04:00
parent 5c3e064358
commit 4e7bce72d2
1 changed files with 4 additions and 4 deletions
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8
Engine/Plugins/Messaging/UdpMessaging/Source/UdpMessaging/Private/Transport/UdpMessageProcessor.cpp
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@@ -994,15 +994,15 @@ void FUdpMessageProcessor::SendKnownNodesToKnownNodes()
const int32 NumEndpointsCanSend = (UDP_MESSAGING_SEGMENT_SIZE - sizeof(FUdpMessageSegment::FHeader)) / (sizeof(FIPv4Endpoint) + sizeof(FGuid)) - 1;
if (KnownEndpointsView.Num() > NumEndpointsCanSend)
{
UE_LOG(LogUdpMessaging, Warning, TEXT("FUdpMessageProcessor::SendKnownNodesToKnownNodes large number of endpoints to share for meshing udp transport."));
UE_LOG(LogUdpMessaging, Warning, TEXT("FUdpMessageProcessor::SendKnownNodesToKnownNodes large number of endpoints (%d) to share for meshing udp transport."), KnownEndpointsView.Num());
}
int32 Index = 0;
while (Index < KnownEndpointsView.Num())
{
const uint32 NextBlockIndex = FMath::Min<uint32>(Index + NumEndpointsCanSend, KnownEndpointsView.Num());
TArrayView<FIPv4Endpoint> SlicedEndpointView = KnownEndpointsView.Slice(Index, NextBlockIndex);
TArrayView<FGuid> SlicedIdView = KnownIdView.Slice(Index, NextBlockIndex);
const uint32 NextBlockItemCount = FMath::Min<uint32>(Index + NumEndpointsCanSend, KnownEndpointsView.Num() - Index);
TArrayView<FIPv4Endpoint> SlicedEndpointView = KnownEndpointsView.Slice(Index, NextBlockItemCount);
TArrayView<FGuid> SlicedIdView = KnownIdView.Slice(Index, NextBlockItemCount);
OutEndpoints = SlicedEndpointView;
OutIds = SlicedIdView;