/// <summary>
/// Writes to xbox memory. Performance of ~10MB/s due to a simple xbdm.dll modification.
/// </summary>
/// <param name="address"></param>
/// <param name="length"></param>
/// <param name="buffer"></param>
/// <param name="offset"></param>
public void Write(uint address, int length, byte[] buffer, int offset)
{
// only check base address - would add too much overhead to check range
// plus, it's much more likely that the entire range will be valid anyways
if (safeMode & !Xbox.IsValidAddress(address))
{
throw new Exception("Safe Mode detected invalid base address");
}
int iterations = length / bufferSize;
int remainder = length % bufferSize;
int index = 0;
StatusResponse Response;
for (int i = 0; i < iterations; i++)
{
// hack: hijacked writefile routine in xbdm v7887 so that we can send binary data to memory instead of length-limited ascii
Response = Xbox.SendCommand("writefile name=| offset=0x" + Convert.ToString(address, 16) + " length=" + bufferSize);
if (Response.Type == ResponseType.ReadyForBinary)
{
Xbox.Connection.Client.Send(buffer, offset, bufferSize, SocketFlags.None);
Response = Xbox.ReceiveStatusResponse(); // garbage number of bytes set...it keeps track of total, dont really care to find how to reset it
// check for failure
index += bufferSize;
}
else
{
throw new Exceptions.ApiException("SendCommand");
}
}
if (remainder > 0)
{
Response = Xbox.SendCommand("writefile name=| offset=0x" + Convert.ToString(address, 16) + " length=" + remainder);
if (Response.Type == ResponseType.ReadyForBinary)
{
Xbox.Connection.Client.Send(buffer, offset, remainder, SocketFlags.None);
Response = Xbox.ReceiveStatusResponse();
// check for failure - parse message and determine bytes written, then return
index += bufferSize;
}
else
{
throw new Exceptions.ApiException("SendCommand");
}
}
}
public void Write(string name, int offset, byte[] buffer, int length)
{
int iterations = length / bufferSize;
int remainder = length % bufferSize;
int index = 0;
this.position = (uint)offset;
StatusResponse Response;
for (int i = 0; i < iterations; i++)
{
Response = Xbox.SendCommand("writefile name=\"{0}\" offset={1} length={2}", name, position, bufferSize);
if (Response.Type == ResponseType.ReadyForBinary)
{
Xbox.Connection.Client.Send(buffer, index, bufferSize, SocketFlags.None);
if (Xbox.ReceiveStatusResponse().Success)
{
index += bufferSize;
position += (uint)bufferSize;
if (position > this.length)
{
this.length = position;
}
}
else
{
throw new IOException("File Write Failed");
}
}
else
{
throw new IOException("File Write Failed");
}
}
if (remainder > 0)
{
Response = Xbox.SendCommand("writefile name=\"{0}\" offset={1} length={2}", name, position, remainder);
if (Response.Type == ResponseType.ReadyForBinary)
{
Xbox.Connection.Client.Send(buffer, index, remainder, SocketFlags.None);
if (Xbox.ReceiveStatusResponse().Success)
{
position += (uint)remainder;
if (position > this.length)
{
this.length = position;
}
}
else
{
throw new IOException("File Write Failed");
}
}
else
{
throw new IOException("File Write Failed");
}
}
}
