protected unsafe override void InternalRead(Action<int> reportProgressDelegate)
{
int headerSize = ChunkHeader.Size;
var headerBytes = new byte[headerSize];
fixed (byte* headerBytesPtr = headerBytes)
{
var header = (ChunkHeader*)headerBytesPtr;
int progress = 0;
var startTime = this.StartTime;
var startTicks = this.StartTicks;
for (int i = 0; i < m_nPackets; ++i)
{
if (m_stream.Read(headerBytes, 0, headerSize) != headerSize)
throw new EndOfStreamException();
var packet = new Packet(m_stream.ReadBytes(header->DataLength), header->Direction,
PacketFlags.None, this.StartTime.AddMilliseconds(header->TickCount - startTicks),
header->TickCount);
this.InternalAddPacket(packet);
this.OnPacketAdded(packet);
if (reportProgressDelegate != null)
{
int newProgress = i * 100 / m_nPackets;
if (newProgress != progress)
{
progress = newProgress;
reportProgressDelegate(progress);
}
}
}
}
}
protected unsafe override void InternalWritePacket(Packet packet)
{
var bytes = new byte[ChunkHeader.Size];
fixed (byte* bytesPtr = bytes)
{
var header = (ChunkHeader*)bytesPtr;
header->TickCount = packet.ArrivalTicks;
header->Direction = packet.Direction;
header->DataLength = packet.Data.Length;
}
m_stream.WriteBytes(bytes);
m_stream.WriteBytes(packet.Data);
}