/// <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();
}
}
/// <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);
}
/* ULONG __RPC_FAR *pSdpVersion;
* ULONG __RPC_FAR *pRecordHandle;
* ULONG Reserved[ 4 ];
* ULONG fSecurity;
* ULONG fOptions;
* ULONG ulRecordLength;
* UCHAR pRecord[ 1 ];
*
* public IntPtr pRecordHandle;
* private uint fSecurity;
* private uint fOptions;
* public uint ulRecordLength;
* public byte pRecord;*/
//
// * Win32
//typedef struct _BTH_SET_SERVICE {
// PULONG pSdpVersion;
// HANDLE *pRecordHandle;
// ULONG fCodService; // COD_SERVICE_* bits
// ULONG Reserved[5]; // Reserved by system. Must be zero.
// ULONG ulRecordLength; // length of pRecord which follows
// UCHAR pRecord[1]; // SDP record as defined by bluetooth spec
//}
// * WinCE
//struct _BTHNS_SETBLOB
//{
// ULONG __RPC_FAR *pSdpVersion;
// ULONG __RPC_FAR *pRecordHandle;
// ULONG Reserved[ 4 ];
// ULONG fSecurity;
// ULONG fOptions;
// ULONG ulRecordLength;
// UCHAR pRecord[ 1 ];
//}
public BTHNS_SETBLOB(byte[] record)
{
BTHNS_SETBLOB.AssertCheckLayout();
//create data buffer
m_data = new byte[StructLength_36 + record.Length];
pVersionHandle = GCHandle.Alloc(BTH_SDP_VERSION, GCHandleType.Pinned);
pRecordHandle = GCHandle.Alloc((IntPtr)0, GCHandleType.Pinned);
IntPtr vaddr = pVersionHandle.AddrOfPinnedObject();
IntPtr haddr = pRecordHandle.AddrOfPinnedObject();
Marshal32.WriteIntPtr(m_data, Offset_pSdpVersion_0, vaddr);
Marshal32.WriteIntPtr(m_data, Offset_pRecordHandle_4, haddr);
BitConverter.GetBytes(record.Length).CopyTo(m_data, Offset_ulRecordLength_32);
//copy sdp record
Buffer.BlockCopy(record, 0, m_data, StructLength_36, record.Length);
}
