public static BufferStream CreatePingBufferStream(OutgoingUDPPacketsHolder ReliableOutgoingHolder, IncomingUDPPacketsHolder ReliableIncomingHolder, OutgoingUDPPacketsHolder NonReliableOutgoingHolder, IncomingUDPPacketsHolder NonReliableIncomingHolder)
{
BufferStream buffer = Packet.CreatePingBufferStream((Constants.UDP.LAST_ACK_ID_SIZE + Constants.UDP.ACK_MASK_SIZE) * 2);
uint ackMask = IncomingUDPPacketsHolder.GetAckMask(ReliableIncomingHolder, ReliableOutgoingHolder.AckMask);
buffer.WriteUInt64(ReliableIncomingHolder.LastID);
buffer.WriteUInt32(ackMask);
ackMask = IncomingUDPPacketsHolder.GetAckMask(NonReliableIncomingHolder, NonReliableOutgoingHolder.AckMask);
buffer.WriteUInt64(NonReliableIncomingHolder.LastID);
buffer.WriteUInt32(ackMask);
return(buffer);
}
public static OutgoingUDPPacket CreateOutgoingBufferStream(OutgoingUDPPacketsHolder OutgoingHolder, IncomingUDPPacketsHolder IncomingHolder, byte[] Buffer, uint Index, uint Length, uint MTU, bool IsReliable)
{
if (Constants.UDP.PACKET_HEADER_SIZE >= MTU)
{
throw new Exception("PACKET_HEADER_SIZE [" + Constants.UDP.PACKET_HEADER_SIZE + "] is greater than or equal to MTU [" + MTU + "]");
}
OutgoingHolder.IncreaseLastID();
ulong id = OutgoingHolder.LastID;
uint mtu = MTU - Constants.UDP.PACKET_HEADER_SIZE;
ushort sliceCount = (ushort)Math.Ceiling(Length / (float)mtu);
OutgoingUDPPacket packet = new OutgoingUDPPacket(id, sliceCount);
uint ackMask = IncomingUDPPacketsHolder.GetAckMask(IncomingHolder, OutgoingHolder.AckMask);
for (ushort i = 0; i < sliceCount; ++i)
{
uint index = Index + (i * mtu);
uint length = (uint)Math.Min(mtu, Length - (i * mtu));
BufferStream buffer = Packet.CreateOutgoingBufferStream(Constants.UDP.PACKET_HEADER_SIZE + length);
buffer.WriteUInt64(IncomingHolder.LastID);
buffer.WriteUInt32(ackMask);
buffer.WriteBool(IsReliable);
buffer.WriteUInt64(id);
buffer.WriteUInt16(sliceCount);
buffer.WriteUInt16(i);
buffer.WriteBytes(Buffer, index, length);
packet.SetSliceBuffer(i, buffer);
}
OutgoingHolder.AddPacket(packet);
return(packet);
}