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only slice SocketAddress on success operation #90284

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merged 5 commits into from
Aug 11, 2023
Merged

only slice SocketAddress on success operation #90284

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21ae021
only slice SocketAddress on success operation
wfurt Aug 10, 2023
df0a589
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wfurt Aug 10, 2023
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wfurt Aug 10, 2023
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wfurt Aug 10, 2023
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wfurt Aug 10, 2023
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5 changes: 4 additions & 1 deletion src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncContext.Unix.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -476,7 +476,10 @@ protected override bool DoTryComplete(SocketAsyncContext context)
else
{
bool result = SocketPal.TryCompleteReceiveFrom(context._socket, Buffer.Span, null, Flags, SocketAddress.Span, out int socketAddressLen, out BytesTransferred, out ReceivedFlags, out ErrorCode);
SocketAddress = SocketAddress.Slice(0, socketAddressLen);
if (ErrorCode == SocketError.Success)
{
SocketAddress = SocketAddress.Slice(0, socketAddressLen);
}
return result;
}
}
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5 changes: 1 addition & 4 deletions src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Unix.cs
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Expand Up @@ -368,10 +368,7 @@ private static SocketError FinishOperationConnect()

private void UpdateReceivedSocketAddress(SocketAddress socketAddress)
{
if (_socketAddressSize > 0)
{
socketAddress.Size = _socketAddressSize;
}
socketAddress.Size = _socketAddressSize;
}

partial void FinishOperationReceiveMessageFrom();
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13 changes: 11 additions & 2 deletions src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketPal.Unix.cs
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Expand Up @@ -152,6 +152,11 @@ private static unsafe int SysReceive(SafeSocketHandle socket, SocketFlags flags,
Count = (UIntPtr)buffer.Length
};

if (socketAddress.Length == 0)
{
Debug.Assert(sockAddr == null);
}

var messageHeader = new Interop.Sys.MessageHeader {
SocketAddress = sockAddr,
SocketAddressLen = socketAddress.Length,
Expand Down Expand Up @@ -468,7 +473,6 @@ private static unsafe int SysReceive(SafeSocketHandle socket, SocketFlags flags,
private static unsafe int SysReceiveMessageFrom(SafeSocketHandle socket, SocketFlags flags, Span<byte> buffer, Span<byte> socketAddress, out int socketAddressLen, bool isIPv4, bool isIPv6, out SocketFlags receivedFlags, out IPPacketInformation ipPacketInformation, out Interop.Error errno)
{
Debug.Assert(socket.IsSocket);
Debug.Assert(socketAddress != null, "Expected non-null socketAddress");

int cmsgBufferLen = Interop.Sys.GetControlMessageBufferSize(Convert.ToInt32(isIPv4), Convert.ToInt32(isIPv6));
byte* cmsgBuffer = stackalloc byte[cmsgBufferLen];
Expand All @@ -484,6 +488,11 @@ private static unsafe int SysReceiveMessageFrom(SafeSocketHandle socket, SocketF
Count = (UIntPtr)buffer.Length
};

if (socketAddress.Length == 0)
{
Debug.Assert(rawSocketAddress == null);
}

messageHeader = new Interop.Sys.MessageHeader {
SocketAddress = rawSocketAddress,
SocketAddressLen = socketAddress.Length,
Expand Down Expand Up @@ -1234,7 +1243,7 @@ public static SocketError Receive(SafeSocketHandle handle, IList<ArraySegment<by
}
else
{
if (!TryCompleteReceiveFrom(handle, buffers, socketFlags, null, out int _, out bytesTransferred, out _, out errorCode))
if (!TryCompleteReceiveFrom(handle, buffers, socketFlags, Span<byte>.Empty, out int _, out bytesTransferred, out _, out errorCode))
{
errorCode = SocketError.WouldBlock;
}
Expand Down