/// <exclude/>
/// <summary>
/// Add a SDP record.
/// </summary>
/// -
/// <param name="sdpRecord">An array of <see cref="T:System.Byte"/>
/// containing the complete SDP record.
/// </param>
/// <param name="cod">A <see cref="T:InTheHand.Net.Bluetooth.ServiceClass"/>
/// containing any bits to set in the devices Class of Device value.
/// </param>
/// -
/// <returns>A handle representing the record, pass to
/// <see cref="RemoveService"/> to remote the record.
/// </returns>
public static IntPtr SetService(byte[] sdpRecord, ServiceClass cod)
{
BTHNS_SETBLOB blob = new BTHNS_SETBLOB(sdpRecord);
//added for XP - adds class of device bits
#if WinXP
blob.CodService = (uint)cod;
#endif
WSAQUERYSET qs = new WSAQUERYSET();
qs.dwSize = WqsOffset.StructLength_60;
qs.dwNameSpace = WqsOffset.NsBth_16;
System.Diagnostics.Debug.Assert(Marshal.SizeOf(qs) == qs.dwSize, "WSAQUERYSET SizeOf == dwSize");
GCHandle hBlob = GCHandle.Alloc(blob.ToByteArray(), GCHandleType.Pinned);
BLOB b = new BLOB(blob.Length, GCHandleHelper.AddrOfPinnedObject(hBlob));
GCHandle hb = GCHandle.Alloc(b, GCHandleType.Pinned);
qs.lpBlob = hb.AddrOfPinnedObject();
try {
int hresult = NativeMethods.WSASetService(ref qs, WSAESETSERVICEOP.RNRSERVICE_REGISTER, 0);
SocketBluetoothClient.ThrowSocketExceptionForHR(hresult);
} finally {
hb.Free();
hBlob.Free();
}
IntPtr handle = blob.Handle;
blob.Dispose();
return(handle);
}
/// <exclude/>
/// <summary>
/// Remove a SDP record as added by <see cref="SetService"/>.
/// </summary>
/// <param name="handle">The handle.
/// </param>
/// <param name="sdpRecord">The raw record, presumably not actually used by the stack.
/// </param>
public static void RemoveService(IntPtr handle, byte[] sdpRecord)
{
BTHNS_SETBLOB blob = new BTHNS_SETBLOB(sdpRecord);
blob.Handle = handle;
WSAQUERYSET qs = new WSAQUERYSET();
qs.dwSize = WqsOffset.StructLength_60;
qs.dwNameSpace = WqsOffset.NsBth_16;
System.Diagnostics.Debug.Assert(Marshal.SizeOf(qs) == qs.dwSize, "WSAQUERYSET SizeOf == dwSize");
GCHandle hBlob = GCHandle.Alloc(blob.ToByteArray(), GCHandleType.Pinned);
BLOB b = new BLOB(blob.Length, GCHandleHelper.AddrOfPinnedObject(hBlob));
GCHandle hb = GCHandle.Alloc(b, GCHandleType.Pinned);
qs.lpBlob = hb.AddrOfPinnedObject();
try {
int hresult = NativeMethods.WSASetService(ref qs, WSAESETSERVICEOP.RNRSERVICE_DELETE, 0);
SocketBluetoothClient.ThrowSocketExceptionForHR(hresult);
} finally {
hb.Free();
hBlob.Free();
//release blob and associated GCHandles
blob.Dispose();
}
}
private void ReadBlobBTH_DEVICE_INFO(byte[] buffer, IBluetoothDeviceInfo dev)
{
// XXXX - Testing only, at least delete the "Console.WriteLine" before use. - XXXX
IntPtr pBlob = Marshal32.ReadIntPtr(buffer, WqsOffset.lpBlob_56);
if (pBlob != IntPtr.Zero)
{
BLOB blob = (BLOB)Marshal.PtrToStructure(pBlob, typeof(BLOB));
if (blob.pBlobData != IntPtr.Zero)
{
BTH_DEVICE_INFO bdi = (BTH_DEVICE_INFO)Marshal.PtrToStructure(blob.pBlobData, typeof(BTH_DEVICE_INFO));
BluetoothDeviceInfoProperties flags = bdi.flags;
Debug.WriteLine(String.Format(CultureInfo.InvariantCulture, "[BTH_DEVICE_INFO: {0:X12}, '{1}' = 0x{2:X4}]", bdi.address, flags, bdi.flags));
Trace.Assert((flags & ~BDIFMasks.AllOrig) == 0, "*Are* new flags there!");
}
}
}
public byte[][] GetServiceRecordsUnparsedWindowsRaw(Guid service)
{
WqsOffset.AssertCheckLayout();
BlobOffsets.AssertCheckLayout();
//temporary workaround - sockets must be initialised
Socket s = new Socket(AddressFamily32.Bluetooth, SocketType.Stream, BluetoothProtocolType.RFComm);
//store variable length collection of records
System.Collections.ArrayList records = new System.Collections.ArrayList();
byte[] sdp = null;
WSAQUERYSET wqs = new WSAQUERYSET();
wqs.dwSize = WqsOffset.StructLength_60;
wqs.dwNameSpace = WqsOffset.NsBth_16;
#if NETCF
CSADDR_INFO sainfo = new CSADDR_INFO(null, this.DeviceAddress , SocketType.Unknown, ProtocolType.Unknown);
wqs.dwNumberOfCsAddrs = 1;
IntPtr pSaInfo = Marshal32.AllocHGlobal(24);
IntPtr pBrb = Marshal32.AllocHGlobal(256);
IntPtr pService = Marshal32.AllocHGlobal(240);
Marshal.StructureToPtr(sainfo, pSaInfo, false);
wqs.lpcsaBuffer = pSaInfo;
Marshal.WriteInt32(pBrb, 0, (int)SdpQueryType.SearchAttributeRequest);
//write the service guid
Marshal.Copy(service.ToByteArray(), 0, new IntPtr(pBrb.ToInt32() + 8), 16);
Marshal.WriteInt16(pBrb, 24, (short)SdpSpecificType.Uuid128);
Marshal.WriteInt16(pBrb, 26, 0);
//write an empty guid to the next position
Marshal.Copy(Guid.Empty.ToByteArray(), 0, new IntPtr(pBrb.ToInt32() + 28), 16);
Marshal.WriteInt16(pBrb, 44, 0x0);
Marshal.WriteInt16(pBrb, 46, 0);
//number of attribute ranges
Marshal.WriteInt32(pBrb, 248, 1);
//min attribute
Marshal.WriteInt16(pBrb, 252, 0);
//max attribute
Marshal.StructureToPtr((ushort)0xffff, (IntPtr)(pBrb.ToInt32() + 254), false);
//Marshal.WriteInt16(pBrb, 254, 0x800);
BLOB b = new BLOB(256, pBrb);
IntPtr pb = Marshal32.AllocHGlobal(8);
Marshal.StructureToPtr(b, pb, false);
wqs.lpBlob = pb;
#endif
#if WinXP
GCHandle hservice = GCHandle.Alloc(service.ToByteArray(), GCHandleType.Pinned);
wqs.lpServiceClassId = hservice.AddrOfPinnedObject();
wqs.lpszContext = "(" + this.DeviceAddress.ToString("C") + ")"; // sb.ToString(); // hContext.AddrOfPinnedObject();
#endif
IntPtr handle = IntPtr.Zero;
int lookupresult;
//start looking for Bluetooth services
#if NETCF
LookupFlags flagsForBegin; // Move above the #if is changed to use for desktop build too.
flagsForBegin = 0;
bool isQueryingLocalhost = false;
try {
BluetoothRadio theOne = BluetoothRadio.PrimaryRadio; // Only ever one on CE...
if (theOne != null) {
BluetoothAddress localAddr = theOne.LocalAddress;
if (localAddr != null) {
if (localAddr == this.DeviceAddress) {
isQueryingLocalhost = true;
}
}
}
} catch (Exception ex) {
System.Diagnostics.Debug.Fail("Exception in hack on CE to check if localhost: " + ex);
}
if (isQueryingLocalhost) {
flagsForBegin |= LookupFlags.ResService;
}
#endif
#if NETCF
try
{
lookupresult = NativeMethods.WSALookupServiceBegin(ref wqs, flagsForBegin, out handle);
#else
lookupresult = NativeMethods.WSALookupServiceBegin(ref wqs, LookupFlags.FlushCache | LookupFlags.ReturnName | LookupFlags.ReturnBlob, out handle);
#endif
SocketBluetoothClient.ThrowSocketExceptionForHR(lookupresult);
#if WinXP
hservice.Free();
#endif
while (lookupresult == 0) {
byte[] sdpBuffer = new byte[6000];
BitConverter.GetBytes(WqsOffset.StructLength_60).CopyTo(sdpBuffer, WqsOffset.dwSize_0);
BitConverter.GetBytes(WqsOffset.NsBth_16).CopyTo(sdpBuffer, WqsOffset.dwNameSpace_20);
int size = sdpBuffer.Length;
#if NETCF
lookupresult = NativeMethods.WSALookupServiceNext(handle, (LookupFlags)0, ref size, sdpBuffer);
#else
lookupresult = NativeMethods.WSALookupServiceNext(handle, LookupFlags.FlushCache | LookupFlags.ReturnBlob, ref size, sdpBuffer);
#endif
if (lookupresult == -1) {
const int WSA_E_NO_MORE = 10110;
SocketBluetoothClient.ThrowSocketExceptionForHrExceptFor(lookupresult, WSA_E_NO_MORE);
} else {
IntPtr pBlob = InTheHand.Runtime.InteropServices.Marshal32.ReadIntPtr(sdpBuffer, WqsOffset.lpBlob_56);
if (pBlob != IntPtr.Zero) {
IntPtr pSdpBlob = InTheHand.Runtime.InteropServices.Marshal32.ReadIntPtr(pBlob, BlobOffsets.Offset_pBlobData_4);
int cSdpBlob = Marshal.ReadInt32(pBlob);
if (cSdpBlob > 2) {
sdp = new byte[cSdpBlob];
Marshal.Copy(pSdpBlob, sdp, 0, cSdpBlob);
records.Add(sdp);
}
}
}
}
#if NETCF
}
finally
{
sainfo.Dispose();
Marshal32.FreeHGlobal(pSaInfo);
Marshal32.FreeHGlobal(pb);
Marshal32.FreeHGlobal(pBrb);
}
#endif
//stop looking
lookupresult = NativeMethods.WSALookupServiceEnd(handle);
SocketBluetoothClient.ThrowSocketExceptionForHR(lookupresult);
return (byte[][])records.ToArray(typeof(byte[]));
}
IBluetoothDeviceInfo[] DoDiscoverDevices(int maxDevices,
bool authenticated, bool remembered, bool unknown, bool discoverableOnly,
InTheHand.Net.Sockets.BluetoothClient.LiveDiscoveryCallback liveDiscoHandler, object liveDiscoState)
{
WqsOffset.AssertCheckLayout();
CsaddrInfoOffsets.AssertCheckLayout();
//
#if !NETCF
Debug.Assert(liveDiscoHandler == null, "Don't use the NETCF live-disco feature on Win32!");
#endif
#if WinXP
const bool Win32DiscoverableOnlyIncludesAllDevices = false;
#endif
var prototype = new BluetoothEndPoint(BluetoothAddress.None, BluetoothService.Empty);
int discoveredDevices = 0;
List_IBluetoothDeviceInfo al = null;
IntPtr handle = IntPtr.Zero;
int lookupresult = 0;
/* Windows XP SP3
* Begin takes the full Inquiry time.
* 12:09:15.7968750: Begin
* 10.265s 12:09:26.0625000: Begin complete
* 12:09:26.0625000: Next
* 12:09:26.0625000: Next Complete
* ...
* 12:09:26.1718750: Next
* 12:09:26.1718750: Next Complete
* 12:09:26.1718750: End
* 12:09:26.1718750: End Complete
*/
/* WM 6 SP
* Begin is quick, Next blocks until a device is found.
* 13:46:47.1760000: Begin
* 13:46:47.2350000: Begin complete
* 13:46:47.2360000: Next
* 10.537s 13:46:57.7730000: Next Complete
* 13:46:57.8910000: Next
* 13:46:57.8940000: Next Complete
* 13:46:57.8950000: Next
* 13:46:57.8960000: Next Complete
* 13:46:57.8960000: End
* 13:46:57.8990000: End Complete
*
*/
System.Text.StringBuilder timings = null;
#if DEBUG
// timings = new System.Text.StringBuilder();
#endif
Action <string> markTime = delegate(string name) {
if (timings != null)
{
timings.AppendFormat(CultureInfo.InvariantCulture,
"{1}: {0}\r\n", name, DateTime.UtcNow.TimeOfDay);
}
};
#if WinXP
if (discoverableOnly && !Win32DiscoverableOnlyIncludesAllDevices)
{
// No way to separate out the devices-in-range on Win32. :-(
return(new IBluetoothDeviceInfo[0]);
}
#endif
#if NETCF
DateTime discoTime = DateTime.UtcNow;
if (unknown || discoverableOnly)
{
#endif
al = new List_IBluetoothDeviceInfo();
byte[] buffer = new byte[1024];
BitConverter.GetBytes(WqsOffset.StructLength_60).CopyTo(buffer, WqsOffset.dwSize_0);
BitConverter.GetBytes(WqsOffset.NsBth_16).CopyTo(buffer, WqsOffset.dwNameSpace_20);
int bufferlen = buffer.Length;
BTHNS_INQUIRYBLOB bib = new BTHNS_INQUIRYBLOB();
bib.LAP = iac;// 0x9E8B33;
#if NETCF
bib.length = Convert.ToByte(inquiryLength.TotalSeconds / 1.28);
bib.num_responses = Convert.ToByte(maxDevices);
#else
bib.length = Convert.ToByte(inquiryLength.TotalSeconds);
#endif
GCHandle hBib = GCHandle.Alloc(bib, GCHandleType.Pinned);
IntPtr pBib = hBib.AddrOfPinnedObject();
BLOB b = new BLOB(8, pBib);
GCHandle hBlob = GCHandle.Alloc(b, GCHandleType.Pinned);
Marshal32.WriteIntPtr(buffer, WqsOffset.lpBlob_56, hBlob.AddrOfPinnedObject());
//start looking for Bluetooth devices
LookupFlags flags = LookupFlags.Containers;
#if WinXP
//ensure cache is cleared on XP when looking for new devices
if (unknown || discoverableOnly)
{
flags |= LookupFlags.FlushCache;
}
#endif
markTime("Begin");
lookupresult = NativeMethods.WSALookupServiceBegin(buffer, flags, out handle);
markTime("Begin complete");
hBlob.Free();
hBib.Free();
// TODO ?Change "while(...maxDevices)" usage on WIN32?
while (discoveredDevices < maxDevices && lookupresult != -1)
{
markTime("Next");
#if NETCF
lookupresult = NativeMethods.WSALookupServiceNext(handle, LookupFlags.ReturnAddr | LookupFlags.ReturnBlob, ref bufferlen, buffer);
#else
LookupFlags flagsNext = LookupFlags.ReturnAddr;
#if WIN32_READ_BTH_DEVICE_INFO
flagsNext |= LookupFlags.ReturnBlob;
#endif
lookupresult = NativeMethods.WSALookupServiceNext(handle, flagsNext, ref bufferlen, buffer);
#endif
markTime("Next Complete");
if (lookupresult != -1)
{
//increment found count
discoveredDevices++;
//status
#if WinXP
BTHNS_RESULT status = (BTHNS_RESULT)BitConverter.ToInt32(buffer, WqsOffset.dwOutputFlags_52);
bool devAuthd = ((status & BTHNS_RESULT.Authenticated) == BTHNS_RESULT.Authenticated);
bool devRembd = ((status & BTHNS_RESULT.Remembered) == BTHNS_RESULT.Remembered);
if (devAuthd && !devRembd)
{
System.Diagnostics.Debug.WriteLine("Win32 BT disco: Auth'd but NOT Remembered.");
}
bool devUnkwn = !devRembd && !devAuthd;
bool include = (authenticated && devAuthd) || (remembered && devRembd) || (unknown && devUnkwn);
Debug.Assert(!discoverableOnly, "Expected short circuit for Win32 unsupported discoverableOnly!");
if (include)
#else
if (true)
#endif
{
#if NETCF
IntPtr lpBlob = (IntPtr)BitConverter.ToInt32(buffer, 56);
BLOB ib = (BLOB)Marshal.PtrToStructure(lpBlob, typeof(BLOB));
BthInquiryResult bir = (BthInquiryResult)Marshal.PtrToStructure(ib.pBlobData, typeof(BthInquiryResult));
#endif
//struct CSADDR_INFO {
// SOCKET_ADDRESS LocalAddr;
// SOCKET_ADDRESS RemoteAddr;
// INT iSocketType;
// INT iProtocol;
//}
//struct SOCKET_ADDRESS {
// LPSOCKADDR lpSockaddr;
// INT iSockaddrLength;
//}
//pointer to outputbuffer
IntPtr bufferptr = Marshal32.ReadIntPtr(buffer, WqsOffset.lpcsaBuffer_48);
//remote socket address
IntPtr sockaddrptr = Marshal32.ReadIntPtr(bufferptr, CsaddrInfoOffsets.OffsetRemoteAddr_lpSockaddr_8);
//remote socket len
int sockaddrlen = Marshal.ReadInt32(bufferptr, CsaddrInfoOffsets.OffsetRemoteAddr_iSockaddrLength_12);
SocketAddress btsa = new SocketAddress(AddressFamily32.Bluetooth, sockaddrlen);
for (int sockbyte = 0; sockbyte < sockaddrlen; sockbyte++)
{
btsa[sockbyte] = Marshal.ReadByte(sockaddrptr, sockbyte);
}
var bep = (BluetoothEndPoint)prototype.Create(btsa);
//new deviceinfo
IBluetoothDeviceInfo newdevice;
#if NETCF
newdevice = new WindowsBluetoothDeviceInfo(bep.Address, bir.cod);
// Built-in to Win32 so only do on NETCF
newdevice.SetDiscoveryTime(discoTime);
#else
newdevice = new WindowsBluetoothDeviceInfo(bep.Address);
#if WIN32_READ_BTH_DEVICE_INFO
ReadBlobBTH_DEVICE_INFO(buffer, newdevice);
#endif
#endif
//add to discovered list
al.Add(newdevice);
if (liveDiscoHandler != null)
{
liveDiscoHandler(newdevice, liveDiscoState);
}
}
}
}//while
#if NETCF
}
#endif
//stop looking
if (handle != IntPtr.Zero)
{
markTime("End");
lookupresult = NativeMethods.WSALookupServiceEnd(handle);
markTime("End Complete");
}
if (timings != null)
{
Debug.WriteLine(timings);
#if !NETCF
Console.WriteLine(timings);
#endif
}
#if NETCF
List_IBluetoothDeviceInfo known = WinCEReadKnownDevicesFromRegistry();
al = BluetoothClient.DiscoverDevicesMerge(authenticated, remembered, unknown,
known, al, discoverableOnly, discoTime);
#endif
//return results
if (al.Count == 0)
{
//special case for empty collection
return(new IBluetoothDeviceInfo[0] {
});
}
return((IBluetoothDeviceInfo[])al.ToArray(
#if V1
typeof(IBluetoothDeviceInfo)
#endif
));
}
