/// <summary>
/// Parse to COTP
/// </summary>
/// <param name="header"></param>
/// <returns></returns>
private void ParseEncapsulatedBytes()
{
ByteArraySegment payload;
payload = this.header.EncapsulatedBytes();
this.payloadPacketOrData = new PacketOrByteArraySegment();
if (payload.Length > Length - TpktFileds.HeaderLength)
{
BuildSegments(payload, Math.Min(Length - TpktFileds.HeaderLength, payload.Length));
this.payloadPacketOrData.TheByteArraySegment = payload;
}
else if (payload.Length == Length - TpktFileds.HeaderLength)
{
HasSegments = false;
NextFrameSegmentLength = 0;
// TODO: Check if payload is COTP
byte[] header = payload.ActualBytes().Take(CotpFileds.HeaderLength).ToArray();
if (CotpPacket.IsCotp(header))
{
this.payloadPacketOrData.ThePacket = new CotpPacket(payload, this);
}
else
{
this.payloadPacketOrData.TheByteArraySegment = payload;
}
}
else
{
this.header.Length = 0;
this.payloadPacketOrData.TheByteArraySegment = this.header.EncapsulatedBytes();
payload = this.payloadPacketOrData.TheByteArraySegment;
BuildSegments(payload, payload.Length);
this.Length = 0;
}
}
public void Add(CotpPacket packet)
{
packetBuffer.Add(packet);
if (packet.LastDataUnit)
{
Reasseble();
}
}
/// <summary>
/// Reaseemble the packets in Buffer, and flush it.
/// </summary>
private void Reasseble()
{
ReSort();
List <byte> joint = new List <byte>();
joint.AddRange(packetBuffer[packetBuffer.Count - 1].Header);
foreach (Packet i in packetBuffer)
{
joint.AddRange(i.PayloadData);
}
Reassembled = new CotpPacket(new ByteArraySegment(joint.ToArray()), packetBuffer[packetBuffer.Count - 1].ParentPacket);
joint.Clear();
joint = null;
IsReassembled = true;
packetBuffer.Clear();
}
public CotpPacketBuffer(CotpPacket packet)
: this()
{
Add(packet);
}