public void SetServiceStateDoIt(Guid service, bool state)
{
UInt16?classId16 = BluetoothService.GetAsClassId16(service);
if (!classId16.HasValue)
{
throw new ArgumentException("BlueSoleil only supports standard Bluetooth UUID16 services.");
}
//
// MSDN says the posible errors are:
// ERROR_INVALID_PARAMETER The dwServiceFlags are invalid.
// ERROR_SERVICE_DOES_NOT_EXIST The GUID specified in pGuidService is not supported.
// Numerically:
// #define ERROR_FILE_NOT_FOUND 2L
// #define ERROR_SERVICE_DOES_NOT_EXIST 1060L
// #define ERROR_NOT_FOUND 1168L
//
// Seen:
// • 0x00000424 = 1060 ----> ERROR_SERVICE_DOES_NOT_EXIST
// When service not present, or device not present.
//
// • 0x80070002 -/\-> ERROR_FILE_NOT_FOUND
// PANU on Broadcom peer. "No driver for service"?
//
// • 0x00000490 = 1168 ----> ERROR_NOT_FOUND
// Setting 'False' on a service not set previously registered.
//--
BtSdkError ret;
if (state)
{
UInt32 hConn;
ret = _factory.Api.Btsdk_ConnectEx(_hDev, classId16.Value, 0, out hConn);
if (ret != BtSdkError.OK)
{
throw new Win32Exception((int)Win32Error.ERROR_SERVICE_DOES_NOT_EXIST, "Failed to enable the service.");
}
}
else
{
var hConnList = FindConnection(_hDev, classId16.Value);
if (hConnList == null || hConnList.Count == 0)
{
throw new Win32Exception((int)Win32Error.ERROR_NOT_FOUND, "No matching enabled service found.");
}
// TO-DO SetServiceState, before disabling, ensure its not BluetoothClient's connection.
Debug.Assert(hConnList.Count == 1, "SetServiceState: What to do if more than one match?");
ret = _factory.Api.Btsdk_Disconnect(hConnList[0]);
if (ret != BtSdkError.OK)
{
throw new Win32Exception((int)Win32Error.ERROR_SERVICE_DOES_NOT_EXIST, "Failed to disabled the service.");
}
}
}