internal void writeUsb(ClovershellCommand cmd, byte arg, byte[] data = null, int l = -1)
{
if (!online)
{
throw new ClovershellException("NES Mini is offline");
}
var len = (l >= 0) ? l : ((data != null) ? data.Length : 0);
var buff = new byte[len + 4];
buff[0] = (byte)cmd;
buff[1] = arg;
buff[2] = (byte)(len & 0xFF);
buff[3] = (byte)((len >> 8) & 0xFF);
if (data != null)
{
Array.Copy(data, 0, buff, 4, len);
}
int tLen = 0;
int pos = 0;
len += 4;
int repeats = 0;
while (pos < len)
{
var res = epWriter.Write(buff, pos, len, 1000, out tLen);
pos += tLen;
len -= tLen;
if (res != ErrorCode.Ok)
{
if (repeats >= 3)
{
break;
}
repeats++;
Thread.Sleep(100);
}
}
if (len > 0)
{
throw new ClovershellException("write error");
}
}
internal void writeUsb(ClovershellCommand cmd, byte arg, byte[] data = null, int pos = 0, int l = -1)
{
if (!IsOnline) throw new ClovershellException("NES Mini is offline");
if (epWriter == null) return;
lock (epWriter)
{
var len = (l >= 0) ? l : ((data != null) ? (data.Length - pos) : 0);
#if VERY_DEBUG
Debug.WriteLine(string.Format("->[CLV] cmd={0}, arg={1:X2}, len={2}, data={3}", cmd, arg, len, data != null ? BitConverter.ToString(data, pos, len) : ""));
#endif
var buff = new byte[len + 4];
buff[0] = (byte)cmd;
buff[1] = arg;
buff[2] = (byte)(len & 0xFF);
buff[3] = (byte)((len >> 8) & 0xFF);
if (data != null)
Array.Copy(data, pos, buff, 4, len);
int tLen = 0;
pos = 0;
len += 4;
int repeats = 0;
while (pos < len)
{
var res = epWriter.Write(buff, pos, len, 1000, out tLen);
#if VERY_DEBUG
Debug.WriteLine("->[CLV] " + BitConverter.ToString(buff, pos, len));
#endif
pos += tLen;
len -= tLen;
if (res != ErrorCode.Ok)
{
if (repeats >= 10) break;
repeats++;
Thread.Sleep(100);
}
}
if (len > 0)
throw new ClovershellException("write error");
}
}
void proceedPacket(ClovershellCommand cmd, byte arg, byte[] data, int pos, int len)
{
if (len < 0)
len = data.Length;
#if VERY_DEBUG
Debug.WriteLine(string.Format("<-[CLV] cmd={0}, arg={1:X2}, len={2}, data={3}", cmd, arg, len, BitConverter.ToString(data, pos, len)));
#endif
lastAliveTime = DateTime.Now;
switch (cmd)
{
case ClovershellCommand.CMD_PONG:
lastPingResponse = new byte[len];
Array.Copy(data, pos, lastPingResponse, 0, len);
break;
case ClovershellCommand.CMD_SHELL_NEW_RESP:
acceptShellConnection(arg);
break;
case ClovershellCommand.CMD_SHELL_OUT:
shellOut(arg, data, pos, len);
break;
case ClovershellCommand.CMD_SHELL_CLOSED:
shellClosed(arg);
break;
case ClovershellCommand.CMD_EXEC_NEW_RESP:
newExecConnection(arg, Encoding.UTF8.GetString(data, pos, len));
break;
case ClovershellCommand.CMD_EXEC_STDOUT:
execOut(arg, data, pos, len);
break;
case ClovershellCommand.CMD_EXEC_STDERR:
execErr(arg, data, pos, len);
break;
case ClovershellCommand.CMD_EXEC_RESULT:
execResult(arg, data, pos, len);
break;
case ClovershellCommand.CMD_EXEC_STDIN_FLOW_STAT:
execStdinStat(arg, data, pos, len);
break;
}
}