public static List<P2PMessage> GenFromMS(MemoryStream ms)
{
var now_pos = 0;
List<P2PMessage> ret = new List<P2PMessage>();
var max_pos = ms.Position;
ms.Position = 0;
while (now_pos < max_pos) {
var buffer_head = new byte[8];
ms.Read(buffer_head, 0, 8);
var length = BitConverter.ToInt32(buffer_head, 4);
var type_value = BitConverter.ToInt32(buffer_head);
var buffer_tail = new byte[length];
ms.Read(buffer_tail, 0, length);
var now_item = new P2PMessage();
switch (type_value)
{
case 0:
now_item = new GetDataMessage(buffer_tail);
break;
case 1:
now_item = new GetFileInfoMessage(buffer_tail);
break;
case 2:
now_item = new GetBlockInfoMessage(buffer_tail);
break;
case 3:
now_item = new DataMessage(buffer_tail);
break;
case 4:
now_item = new ErrorMessage(buffer_tail);
break;
case 5:
now_item = new FileInfoMessage(buffer_tail);
break;
case 6:
now_item = new BlockInfoMessage(buffer_tail);
break;
case 7:
now_item = new OKMessage(buffer_tail);
break;
case 8:
now_item = new CloseMessage();
break;
case 9:
now_item = new AliveMessage();
break;
default:
throw new System.Exception("not allow");
}
now_item.type = (P2PMessageType)type_value;
ret.Add(now_item);
now_pos += 8 + length;
}
Debug.Assert(now_pos == max_pos);
return ret;
}
public static P2PMessage GenFromSocket(System.Net.Sockets.NetworkStream stream, int type_value, int length)
{
P2PMessage ret;
var buffer = new byte[length];
stream.Read(buffer, 0, length);
switch (type_value)
{
case 0:
ret = new GetDataMessage(buffer);
break;
case 1:
ret = new GetFileInfoMessage(buffer);
break;
case 2:
ret = new GetBlockInfoMessage(buffer);
break;
case 3:
ret = new DataMessage(buffer);
break;
case 4:
ret = new ErrorMessage(buffer);
break;
case 5:
ret = new FileInfoMessage(buffer);
break;
case 6:
ret = new BlockInfoMessage(buffer);
break;
case 7:
ret = new OKMessage(buffer);
break;
case 8:
ret = new CloseMessage();
break;
default:
throw new System.Exception("not allow");
}
return ret;
}
public void SendCloseMessage()
{
var close = new CloseMessage();
send(close);
}
