public BluetoothStream(BluetoothDevice btdev)
{
socket = new Socket((AddressFamily)32, SocketType.Stream, (ProtocolType)3);
byte[] btAddress = btdev.Address;
try
{
BluetoothEndPoint btep = new BluetoothEndPoint(btAddress, guid_spp);
utils.ddump("connecting to " + btdev.AddressStr);
socket.Connect(btep);
utils.ddump("connected! Create networkstream...");
networkstream = new NetworkStream(socket, true);
utils.ddump("starting threads...");
thSend = new Thread(new ThreadStart(sendThread));
thSend.Name = "SendThread"; thSend.IsBackground = true;
thSend.Start();
utils.ddump("Thread started: " + thSend.Name + ", " + thSend.ManagedThreadId.ToString("x08"));
thRecv = new Thread(new ThreadStart(recvThread));
thRecv.Name = "RecvThread"; thRecv.IsBackground = true;
thRecv.Start();
utils.ddump("Thread started: " + thRecv.Name + ", " + thRecv.ManagedThreadId.ToString("x08"));
}
catch (Exception ex)
{
connected = false;
utils.ddump("BluetoothStream init failed with " + ex.Message);
}
}
//:this(btAddress)
public BluetoothStream(byte[] btAddress, string sPin)
{
_btAddress = btAddress;
if (sPin != String.Empty && sPin != "")
setPIN(btAddress, sPin);
socket = new Socket((AddressFamily)32, SocketType.Stream, (ProtocolType)3);
try
{
BluetoothEndPoint btep = new BluetoothEndPoint(btAddress, guid_spp);
socket.Connect(btep);
networkstream = new NetworkStream(socket, true);
thSend = new Thread(new ThreadStart(sendThread));
thSend.Name = "SendThread";
thSend.Start();
utils.ddump("Thread started: " + thSend.Name + ", " + thSend.ManagedThreadId.ToString());
thRecv = new Thread(new ThreadStart(recvThread));
thRecv.Name = "RecvThread";
thRecv.Start();
utils.ddump("Thread started: " + thRecv.Name + ", " + thRecv.ManagedThreadId.ToString());
}
catch (Exception ex)
{
connected = false;
utils.ddump("BluetoothStream init failed with "+ex.Message);
}
}
public NetworkStream Connect(byte[] btAddress, Guid serviceGuid, bool secure)
{
Socket clientSocket = new Socket((AddressFamily)32, SocketType.Stream, (ProtocolType)3);
NetworkStream nws = null;
this.address = btAddress;
try
{
BluetoothEndPoint endPoint = new BluetoothEndPoint(btAddress, serviceGuid);
clientSocket.Connect(endPoint);
if (secure)
{
// turn on authentication
SafeNativeMethods.BthAuthenticate(this.address);
// turn on link encryption
SafeNativeMethods.BthSetEncryption(this.address, 1);
}
nws = new NetworkStream(clientSocket, true);
connected = true;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Exception in Connect(): " + ex.Message);
nws = null;
connected = false; ;
}
return nws;
}
private void PublishService()
{
serverSocket = new Socket((AddressFamily)32, SocketType.Stream, (ProtocolType)3);
BluetoothEndPoint btep = new BluetoothEndPoint();
serverSocket.Bind(btep);
// extract port number
int port = ((BluetoothEndPoint)serverSocket.LocalEndPoint).Port;
byte[] sdpRecord = GenerateSDPRecord(ServiceGuid, port);
// set up BTHNS_BLOB
byte[] bthnsBlob = new byte[36 + sdpRecord.Length];
int sdpVersion = 1;
int serviceHandle = 0;
GCHandle sdpVersionHandle = GCHandle.Alloc(sdpVersion, GCHandleType.Pinned);
GCHandle recordHandle = GCHandle.Alloc(serviceHandle, GCHandleType.Pinned);
BitConverter.GetBytes(sdpVersionHandle.AddrOfPinnedObject().ToInt32()).CopyTo(bthnsBlob, 0);
BitConverter.GetBytes(recordHandle.AddrOfPinnedObject().ToInt32()).CopyTo(bthnsBlob, 4);
BitConverter.GetBytes(sdpRecord.Length).CopyTo(bthnsBlob, 32);
Buffer.BlockCopy(sdpRecord, 0, bthnsBlob, 36, sdpRecord.Length);
// end BTHNS_BLOB
// create a BLOB to hold the BTHNS_BLOB
byte[] querySetBlob = new byte[8];
GCHandle bthnsBlobHandle = GCHandle.Alloc(bthnsBlob, GCHandleType.Pinned);
BitConverter.GetBytes(80).CopyTo(querySetBlob, 0);
BitConverter.GetBytes(bthnsBlobHandle.AddrOfPinnedObject().ToInt32()).CopyTo(querySetBlob, 4);
// end BLOB
// query set setup
const int querySetLengthOffset = 0;
const int querySetNamespaceOffset = 20;
const int querySetLength = 60;
const int NS_BTH = 16;
byte[] querySet = new byte[querySetLength];
BitConverter.GetBytes(querySetLength).CopyTo(querySet, querySetLengthOffset);
BitConverter.GetBytes(NS_BTH).CopyTo(querySet, querySetNamespaceOffset);
GCHandle querySetBlobHandle = GCHandle.Alloc(querySetBlob, GCHandleType.Pinned);
BitConverter.GetBytes(querySetBlobHandle.AddrOfPinnedObject().ToInt32()).CopyTo(querySet, 56);
// end query set setup
// register the service
int result = SafeNativeMethods.WSASetService(querySet, 0, 0);
querySetBlobHandle.Free();
bthnsBlobHandle.Free();
sdpVersionHandle.Free();
recordHandle.Free();
// end register service
}
