/// <summary>
/// Read method for filesystem
/// </summary>
/// <param name="node">The node</param>
/// <param name="offset">The offset</param>
/// <param name="size">The size</param>
/// <param name="buffer">The buffer</param>
/// <returns>The amount of bytes read</returns>
private static unsafe uint readImpl(Node node, uint offset, uint size, byte[] buffer)
{
IDCookie cookie = (IDCookie)node.Cookie;
VboxDevRequestTypes request = (VboxDevRequestTypes)cookie.ID;
switch (request)
{
case VboxDevRequestTypes.VMMDevReq_GetSessionId:
if (size != 8)
{
return(0);
}
ulong sessionID = VboxDev.GetSessionID();
Byte.ToBytes((long)sessionID, buffer);
return(8);
case VboxDevRequestTypes.VMMDevReq_GetHostTime:
if (size != 8)
{
return(0);
}
ulong time = VboxDev.GetHostTime();
Byte.ToBytes((long)time, buffer);
return(8);
}
return(0);
}
/// <summary>
/// Write method for filesystem
/// </summary>
/// <param name="node">The node</param>
/// <param name="offset">The offset</param>
/// <param name="size">The size</param>
/// <param name="buffer">The buffer</param>
/// <returns>The amount of bytes written</returns>
private static unsafe uint writeImpl(Node node, uint offset, uint size, byte[] buffer)
{
IDCookie cookie = (IDCookie)node.Cookie;
VboxDevRequestTypes request = (VboxDevRequestTypes)cookie.ID;
switch (request)
{
case VboxDevRequestTypes.VMMDevReq_SetPowerStatus:
if (size < 4)
{
return(0);
}
int state = Byte.ToInt(buffer);
VboxDevPowerState stateConverted = (VboxDevPowerState)state;
VboxDev.ChangePowerState(stateConverted);
return(4);
}
return(0);
}