public void ReadBuffer(byte[] buffer, uint seq)
{
Sfs2X.Util.ByteArray data = new Sfs2X.Util.ByteArray(buffer);
data.Position = 0;
if (NextSeq == 0 || NextSeq == seq)
{
NextSeq = seq + (uint)data.Length;
if (!NeedsMoreData)
{
HandleNewPacket(data);
}
else
{
HandleContinuePacket(data);
}
HandlePaddingPacket();
}
else if (seq > NextSeq)
{
PeddingBuffer[seq] = data;
}
//去除retrans
}
private Sfs2X.Util.ByteArray ResizeByteArray(Sfs2X.Util.ByteArray data, uint pos)
{
int len = data.Length - (int)pos;
byte[] b = new byte[(uint)len];
Array.ConstrainedCopy(data.Bytes, (int)pos, b, 0, len);
return(new Sfs2X.Util.ByteArray(b));
}
public void ReadBuffer(byte[] buffer, uint seq)
{
Sfs2X.Util.ByteArray data = new Sfs2X.Util.ByteArray(buffer);
data.Position = 0;
if (NextSeq == 0 || NextSeq == seq)
{
NextSeq = seq + (uint)data.Length;
if (!NeedsMoreData)
HandleNewPacket(data);
else
HandleContinuePacket(data);
HandlePaddingPacket();
}
else if (seq > NextSeq)
{
PeddingBuffer[seq] = data;
}
//去除retrans
}
private void HandleContinuePacket(Sfs2X.Util.ByteArray data)
{
int packetRemain = PendingPacket.Header.ExpectedLength - PendingPacket.Buffer.Length;
if (packetRemain > data.Length)
{//还有包
PendingPacket.Buffer.WriteBytes(data.Bytes);
NeedsMoreData = true;
}
else
{
PendingPacket.Buffer.WriteBytes(data.Bytes, 0, packetRemain);
if (PendingPacket.Header.Compressed)
{
PendingPacket.Buffer.Uncompress();
}
Sfs2X.Entities.Data.SFSObject obj = Sfs2X.Entities.Data.SFSObject.NewFromBinaryData(PendingPacket.Buffer);
string dumpstr = obj.GetDump();
Console.WriteLine(IsReq ? "req:" : "resp");
Console.WriteLine(dumpstr);
Writer.WriteLine(IsReq ? "req:=========================="
: "resp:=========================");
Writer.WriteLine(dumpstr);
int dataRemain = data.Length - packetRemain;
if (dataRemain == 0)
{
NeedsMoreData = false;
}
else
{
data = ResizeByteArray(data, (uint)packetRemain);
HandleNewPacket(data);
}
}
}
private void HandleNewPacket(Sfs2X.Util.ByteArray data)
{
Byte headerByte = data.ReadByte();
PendingPacket = new Sfs2X.Bitswarm.PendingPacket(Sfs2X.Core.PacketHeader.FromBinary(headerByte));
int dataSize;
if (PendingPacket.Header.BigSized)
{
dataSize = data.ReadInt();
}
else
{
dataSize = data.ReadUShort();
}
data = ResizeByteArray(data, (uint)data.Position);
PendingPacket.Header.ExpectedLength = dataSize;
HandleContinuePacket(data);
}
private void HandlePaddingPacket()
{
if (PeddingBuffer.Count > 0)
{
var item = PeddingBuffer.FirstOrDefault();
if (item.Key == NextSeq)
{
Sfs2X.Util.ByteArray data = item.Value;
PeddingBuffer.Remove(item.Key);
NextSeq += (uint)data.Length;
if (!NeedsMoreData)
{
HandleNewPacket(data);
}
else
{
HandleContinuePacket(data);
}
HandlePaddingPacket();
}
}
}
