protected override void Dispose(bool disposing)
{
if (_Connected)
{
_SendBuffer[0] = 0x15;
_SendBuffer[1] = 0x1;
NativeMethods.send(_ControlSocket, _SendBuffer, 2, 0);
NativeMethods.close(_InterruptSocket);
NativeMethods.close(_ControlSocket);
}
base.Dispose(disposing);
}
public override void Write(byte[] buffer, int offset, int count)
{
if (!_Connected)
{
throw new IOException("The control socket is not connected");
}
_SendBuffer[0] = 0x52;
Array.Copy(buffer, offset, _SendBuffer, 1, count);
while (NativeMethods.send(_ControlSocket, _SendBuffer, count + 1, 0) == -1)
{
int error = Marshal.GetLastWin32Error();
if (error != NativeMethods.EINTR)
{
NativeMethods.close(_InterruptSocket);
NativeMethods.close(_ControlSocket);
_Connected = false;
throw new IOException("Failed to write to the control socket: " + NativeMethods.strerror(error));
}
}
}
public override int Read(byte[] buffer, int offset, int count)
{
int receivedByteCount = NativeMethods.recv(_InterruptSocket, _ReceiveBuffer, _ReceiveBuffer.Length, 0);
if (receivedByteCount > 0)
{
// with bluez you get a hid byte, this must not be copied into the buffer
count = Math.Min(count, receivedByteCount - 1);
Array.Copy(_ReceiveBuffer, 1, buffer, offset, count);
return(count);
}
else if (receivedByteCount <= 0)
{
NativeMethods.close(_InterruptSocket);
NativeMethods.close(_ControlSocket);
_Connected = false;
if (receivedByteCount < 0)
{
throw new IOException("Failed to read from the interrupt socket.");
}
}
return(0);
}
private void Connect(NativeMethods.bdaddr_t bdaddress)
{
// get bluetooth address
NativeMethods.bdaddr_t dongleAddr;
int deviceId = NativeMethods.hci_get_route(IntPtr.Zero);
NativeMethods.hci_devba(deviceId, out dongleAddr);
// create l2cap address
NativeMethods.sockaddr_l2 address;
address.l2_family = NativeMethods.AF_BLUETOOTH;
address.l2_cid = 0;
// allocate sockets
_ControlSocket = -1;
while (_ControlSocket == -1)
{
_ControlSocket = NativeMethods.socket(NativeMethods.AF_BLUETOOTH, NativeMethods.SOCK_SEQPACKET, NativeMethods.BTPROTO_L2CAP);
int error = Marshal.GetLastWin32Error();
if (_ControlSocket == -1)
{
if (error != NativeMethods.EINTR)
{
throw new WiiDeviceLibrary.DeviceConnectException("Failed to allocate the control socket: " + NativeMethods.strerror(error));
}
}
}
_InterruptSocket = -1;
while (_InterruptSocket == -1)
{
_InterruptSocket = NativeMethods.socket(NativeMethods.AF_BLUETOOTH, NativeMethods.SOCK_SEQPACKET, NativeMethods.BTPROTO_L2CAP);
int error = Marshal.GetLastWin32Error();
if (_InterruptSocket == -1)
{
if (error != NativeMethods.EINTR)
{
NativeMethods.close(_ControlSocket);
throw new WiiDeviceLibrary.DeviceConnectException("Failed to allocate the interrupt socket: " + NativeMethods.strerror(error));
}
}
}
// bind the bluetooth socket
address.l2_psm = 0x0;
address.bdaddr = dongleAddr;
if (NativeMethods.bind(_ControlSocket, ref address, (uint)Marshal.SizeOf(address)) == -1)
{
int error = Marshal.GetLastWin32Error();
NativeMethods.close(_ControlSocket);
NativeMethods.close(_InterruptSocket);
throw new WiiDeviceLibrary.DeviceConnectException("Failed to bind the control socket: " + NativeMethods.strerror(error));
}
// connect the control socket
address.bdaddr = bdaddress;
address.l2_psm = 0x11;
while (NativeMethods.connect(_ControlSocket, ref address, (uint)Marshal.SizeOf(address)) == -1)
{
int error = Marshal.GetLastWin32Error();
if (error != NativeMethods.EINTR)
{
NativeMethods.close(_ControlSocket);
NativeMethods.close(_InterruptSocket);
throw new WiiDeviceLibrary.DeviceConnectException("Failed to connect the control socket: " + NativeMethods.strerror(error));
}
}
// connect the interrupt socket
address.bdaddr = bdaddress;
address.l2_psm = 0x13;
while (NativeMethods.connect(_InterruptSocket, ref address, (uint)Marshal.SizeOf(address)) == -1)
{
int error = Marshal.GetLastWin32Error();
if (error != NativeMethods.EINTR)
{
NativeMethods.close(_ControlSocket);
NativeMethods.close(_InterruptSocket);
throw new WiiDeviceLibrary.DeviceConnectException("Failed to connect the interrupt socket: " + NativeMethods.strerror(error));
}
}
_Connected = true;
}