WidcommRfCommIf.cs :  » Business-Application » 32feet.NET » InTheHand » Net » Bluetooth » Widcomm » C# / CSharp Open Source

// 32feet.NET - Personal Area Networking for .NET
//
// InTheHand.Net.Widcomm.WidcommSocketExceptions
// 
// Copyright (c) 2008-2009 In The Hand Ltd, All rights reserved.
// Copyright (c) 2008-2009 Alan J. McFarlane, All rights reserved.
// This source code is licensed under the In The Hand Community License - see License.txt

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Diagnostics;

namespace InTheHand.Net.Bluetooth.Widcomm{
    internal sealed class WidcommRfCommIf : IRfCommIf
    {
        internal static class NativeMethods
        {
            [DllImport(WidcommRfcommPort.NativeMethods.WidcommDll)]
            internal static extern IntPtr RfCommIf_Create(out IntPtr ppRfCommIf);

            [DllImport(WidcommRfcommPort.NativeMethods.WidcommDll)]
            internal static extern void RfCommIf_Destroy(IntPtr pRfCommPort);

            [DllImport(WidcommRfcommPort.NativeMethods.WidcommDll)]
            [return: MarshalAs(UnmanagedType.Bool)]
            internal static extern bool RfCommIf_Client_AssignScnValue(IntPtr pRfCommPort,
                ref Guid serviceGuid, byte scn);

            [DllImport(WidcommRfcommPort.NativeMethods.WidcommDll)]
            [return: MarshalAs(UnmanagedType.Bool)]
            internal static extern bool RfCommIf_SetSecurityLevel(IntPtr pRfCommPort,
                byte[] serviceName, BTM_SEC securityLevel,
                [MarshalAs(UnmanagedType.Bool)] bool isServer);

            [DllImport(WidcommRfcommPort.NativeMethods.WidcommDll)]
            internal static extern int RfCommIf_GetScn(IntPtr pRfCommPort);
        }

        IntPtr m_pRfCommIf;
        public void Create()
        {
            WidcommBtInterface.ReportIfWidcommThread("RfCommIf_Create");
            NativeMethods.RfCommIf_Create(out m_pRfCommIf);
            if (m_pRfCommIf == IntPtr.Zero)
                throw new InvalidOperationException("Native object creation failed.");
        }

        public void Destroy()
        {
            WidcommBtInterface.ReportIfWidcommThread("RfCommIf_Destroy");
            Debug.Assert(m_pRfCommIf != IntPtr.Zero, "WidcommRfcommIf Already Destroyed");
            if (m_pRfCommIf != IntPtr.Zero) {
                NativeMethods.RfCommIf_Destroy(m_pRfCommIf);
                m_pRfCommIf = IntPtr.Zero;
            }
        }

        public bool ClientAssignScnValue(Guid serviceGuid, byte scn)
        {
            WidcommBtInterface.ReportIfWidcommThread("RfCommIf_ClientAssignScnValue");
            return NativeMethods.RfCommIf_Client_AssignScnValue(m_pRfCommIf, ref serviceGuid, scn);
        }

        public bool SetSecurityLevel(byte[] serviceName, BTM_SEC securityLevel, bool isServer)
        {
            WidcommBtInterface.ReportIfWidcommThread("RfCommIf_SetSecurityLevel");
            return NativeMethods.RfCommIf_SetSecurityLevel(m_pRfCommIf, serviceName, securityLevel, isServer);
        }

        public int GetScn()
        {
            WidcommBtInterface.ReportIfWidcommThread("RfCommIf_GetScn");
            return NativeMethods.RfCommIf_GetScn(m_pRfCommIf);
        }
    }
}