public PacketStream GetNextStreamDirection()
{
if (curDirection == PacketDirection.PACKET_DIRECTION_INCOMING)
{
curDirection = PacketDirection.PACKET_DIRECTION_OUTGOING;
}
else if (curDirection == PacketDirection.PACKET_DIRECTION_OUTGOING)
{
curDirection = PacketDirection.PACKET_DIRECTION_INCOMING;
}
else if (curDirection == PacketDirection.PACKET_DIRECTION_INVALID)
{
IPPacket pktIn = null, pktOut = null;
if (streamIn.Packets.Count > 0)
{
pktIn = streamIn.Packets[0];
if (streamOut.Packets.Count > 0)
{
pktOut = streamOut.Packets[0];
// FIXME: is this check correct for the earliest packet?
if (pktIn.CompareTo(pktOut) < 0)
{
curDirection = PacketDirection.PACKET_DIRECTION_INCOMING;
}
else
{
curDirection = PacketDirection.PACKET_DIRECTION_OUTGOING;
}
}
}
if (curDirection == PacketDirection.PACKET_DIRECTION_INVALID)
{
if (pktIn != null)
{
curDirection = PacketDirection.PACKET_DIRECTION_INCOMING;
}
else
{
curDirection = PacketDirection.PACKET_DIRECTION_OUTGOING;
}
}
}
if (curDirection == PacketDirection.PACKET_DIRECTION_INCOMING)
{
return(streamIn);
}
else
{
return(streamOut);
}
}
