// Sends an AFC packet to iPhone.
private int AFCSend(byte[] byData, AFCPacketType Type)
{
if (iPhone == null || !iPhone.Usable) throw new Exception("No device ready in AFCSend.");
if (byData == null) throw new Exception("No data passed to AFCSend.");
long nPacketLength = byData.LongLength + 40;
byte[] bAugmentedData = new byte[nPacketLength];
Array.Copy(AFCConst, bAugmentedData, 8);
Array.Copy(BitConverter.GetBytes(nPacketLength), 0, bAugmentedData, 8, 8);
// Hack because of AFC inconsistency.
if (Type == AFCPacketType.FileRefWrite)
Array.Copy(BitConverter.GetBytes((long)0x30), 0, bAugmentedData, 16, 8);
else
Array.Copy(BitConverter.GetBytes(nPacketLength), 0, bAugmentedData, 16, 8);
Array.Copy(BitConverter.GetBytes(nPacketCounter), 0, bAugmentedData, 24, 8);
Array.Copy(BitConverter.GetBytes((long)Type), 0, bAugmentedData, 32, 8);
Array.Copy(byData, 0, bAugmentedData, 40, byData.Length);
nPacketCounter++;
return Send(bAugmentedData);
}
// Wrapper that null-terminates strings being sent as AFC packets.
private int AFCSend(string sData, AFCPacketType Type)
{
if (sData == null) throw new Exception("No data passed to AFCSend.");
sData += '\x0';
return AFCSend(System.Text.Encoding.UTF8.GetBytes(sData), Type);
}