protected override void AckChunks(int ack)
{
do
{
if (ResendQueue.Count == 0)
{
return;
}
if (ResendQueue.TryPeek(out var chunk))
{
if (NetworkCore.IsSeqInBackroom(chunk.Sequence, ack))
{
ResendQueue.Dequeue();
BufferSize -= SIZEOF_NETWORK_CHUNK_RESEND + chunk.DataSize;
}
else
{
return;
}
}
else
{
return;
}
} while (true);
}
public override bool FetchChunk(out NetworkChunk packet)
{
var header = new NetworkChunkHeader();
var end = ChunkConstruct.DataSize;
while (true)
{
if (!Valid || CurrentChunk >= ChunkConstruct.NumChunks)
{
Clear();
packet = null;
return(false);
}
var dataOffset = 0;
for (var i = 0; i < CurrentChunk; i++)
{
dataOffset = header.Unpack(ChunkConstruct.Data, dataOffset);
dataOffset += header.Size;
}
dataOffset = header.Unpack(ChunkConstruct.Data, dataOffset);
CurrentChunk++;
if (dataOffset + header.Size > end)
{
Clear();
packet = null;
return(false);
}
if (Connection != null && header.Flags.HasFlag(ChunkFlags.VITAL))
{
if (Connection.UnknownAck ||
header.Sequence == (Connection.Ack + 1) % NetworkCore.MAX_SEQUENCE)
{
Connection.UnknownAck = false;
Connection.Ack = (Connection.Ack + 1) % NetworkCore.MAX_SEQUENCE;
}
else
{
if (NetworkCore.IsSeqInBackroom(header.Sequence, Connection.Ack))
{
continue;
}
Debug.Log("connection",
$"asking for resend {header.Sequence} {(Connection.Ack + 1) % NetworkCore.MAX_SEQUENCE}");
Connection.SignalResend();
continue;
}
}
packet = new NetworkChunk
{
ClientId = ClientId,
EndPoint = EndPoint,
Flags = (SendFlags)header.Flags,
DataSize = header.Size,
Data = new byte[header.Size]
};
Buffer.BlockCopy(ChunkConstruct.Data, dataOffset, packet.Data, 0, header.Size);
return(true);
}
}
