// **********************************************************************************************************
//    coeEvent.cs
//    6/1/2022
//    NGI - Next Generation Interceptor
//    
//    Contract No. HQ0856-21-C-0003/1022000209
//    
//    THIS DOCUMENT DOES NOT CONTAIN TECHNOLOGY OR TECHNICAL DATA CONTROLLED UNDER EITHER THE U.S. 
//    INTERNATIONAL TRAFFIC IN ARMS REGULATIONS OR THE U.S. EXPORT ADMINISTRATION REGULATIONS.
//    
//    RAYTHEON PROPRIETARY: THIS DOCUMENT CONTAINS DATA OR INFORMATION PROPRIETARY TO RAYTHEON 
//    COMPANY AND IS RESTRICTED TO USE ONLY BY PERSONS AUTHORIZED BY RAYTHEON COMPANY IN WRITING TO USE IT. 
//    DISCLOSURE TO UNAUTHORIZED PERSONS WOULD LIKELY CAUSE SUBSTANTIAL COMPETITIVE HARM TO RAYTHEON 
//    COMPANY'S BUSINESS POSITION. NEITHER SAID DOCUMENT NOR ITS CONTENTS SHALL BE FURNISHED OR DISCLOSED 
//    TO OR COPIED OR USED BY PERSONS OUTSIDE RAYTHEON COMPANY WITHOUT THE EXPRESS WRITTEN APPROVAL OF 
//    RAYTHEON COMPANY.
//    
//    UNPUBLISHED WORK - COPYRIGHT RAYTHEON COMPANY.
//    
//    DESTRUCTION NOTICE: FOR CLASSIFIED DOCUMENTS FOLLOW THE PROCEDURES IN DOD 5220.22-M, 
//    NATIONAL INDUSTRIAL SECURITY PROGRAM OPERATING MANUAL, FEBRUARY 2006, 
//    INCORPORATING CHANGE 1, MARCH 28, 2013, CHAPTER 5, SECTION 7, OR DODM 5200.01-VOLUME 3, 
//    DOD INFORMATION SECURITY PROGRAM: PROTECTION OF CLASSIFIED INFORMATION, ENCLOSURE 3, 
//    SECTION 17. FOR CONTROLLED UNCLASSIFIED INFORMATION FOLLOW THE PROCEDURES IN DODM 5200.01-VOLUME 4, 
//    INFORMATION SECURITY PROGRAM: CONTROLLED UNCLASSIFIED INFORMATION.
//    
//    CONTROLLED BY: MISSILE DEFENSE AGENCY
//    CONTROLLED BY: GROUND-BASED MIDCOURSE DEFENSE PROGRAM OFFICE
//    CUI CATEGORY: CTI 
//    DISTRIBUTION/DISSEMINATION CONTROL: F 
//    POC: Alex Kravchenko (1118268)
// **********************************************************************************************************

//\\<Unclassified>
//----------------------------------------------------------------------------//
//                                 UNCLASSIFIED                               //
//----------------------------------------------------------------------------//
//\\<\Unclassified>

//\\<UnlimitedRights>
//----------------------------------------------------------------------------//
// Copyright %(copyright)s Raytheon Company.                                  //
// This software was developed pursuant to Contract Number %(contractNumber)s //
// with the U.S. government. The U.S. government's rights in and to this      //
// copyrighted software are as specified in DFARS 252.227-7014 which was made //
// part of the above contract.                                                //
//----------------------------------------------------------------------------//
//\\<\UnlimitedRights>

//\\<EximUndetermined>
//----------------------------------------------------------------------------//
// WARNING - This document contains technical data and / or technology whose  //
// export or disclosure to Non-U.S. Persons, wherever located, is restricted  //
// by the International Traffic in Arms Regulations (ITAR) (22 C.F.R.         //
// Section 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. //
// Section 730-774). This document CANNOT be exported (e.g., provided to a    //
// supplier outside of the United States) or disclosed to a Non-U.S. Person,  //
// wherever located, until a final jurisdiction and classification            //
// determination has been completed and approved by Raytheon, and any         //
// required U.S. Government approvals have been obtained. Violations are      //
// subject to severe criminal penalties.                                      //
//----------------------------------------------------------------------------//
//\\<\EximUndetermined>

using System;
using System.Runtime.InteropServices;

namespace Raytheon.Instruments.coeCSharp
{
    //
    //
    //
    // Event
    //
    //
    //
    public class coeEvent : IDisposable
    {

        #region DLLImports
        [DllImport(coe.coeDLL, CallingConvention = CallingConvention.Cdecl, EntryPoint = "OE_Event_Create_Dynamic")]
        private static extern IntPtr OE_Event_Create_Dynamic(IntPtr Name,
                                                             PersistenceType Persistence,
                                                             int Priority,
                                                             IntPtr ApplicationContext,
                                                             out coe.Status Status);

        [DllImport(coe.coeDLL, CallingConvention = CallingConvention.Cdecl, EntryPoint = "OE_Event_Delete")]
        public static extern coe.Status OE_Event_Delete(IntPtr _obj);

        [DllImport(coe.coeDLL, CallingConvention = CallingConvention.Cdecl, EntryPoint = "OE_Event_Enable")]
        private static extern coe.Status OE_Event_Enable(IntPtr _obj);

        [DllImport(coe.coeDLL, CallingConvention = CallingConvention.Cdecl, EntryPoint = "OE_Event_Disable")]
        private static extern coe.Status OE_Event_Disable(IntPtr _obj);

        [DllImport(coe.coeDLL, CallingConvention = CallingConvention.Cdecl, EntryPoint = "OE_Event_Set_Event_Flag_Notification")]
        private static extern coe.Status OE_Event_Set_Event_Flag_Notification(IntPtr _obj,
                                                                              IntPtr EventFlag,
                                                                              uint Mask);
        #endregion

        public enum PersistenceType : int
        {
            ONE_SHOT = 0,
            ENDURING = 1
        }
        private bool _disposed = false;
        private IntPtr _handle = IntPtr.Zero;

        public coeEvent() : this(PersistenceType.ENDURING, 0) { }
        public coeEvent(PersistenceType persistence) : this(persistence, 0) { }
        public coeEvent(int priority) : this(PersistenceType.ENDURING, priority) { }
        public coeEvent(PersistenceType persistence, int priority)
        {
            _handle = OE_Event_Create_Dynamic(IntPtr.Zero, persistence, priority, IntPtr.Zero, out coe.Status oe_status);
            if (oe_status != coe.Status.SUCCESS)
            {
                _handle = IntPtr.Zero;
                throw new Exception("Unable to create OE_Event. Error = " + oe_status);
            }
        }

        ~coeEvent()
        {
            Dispose(false);
        }

        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        protected void Dispose(bool disposing)
        {
            if (_disposed) return;

            if (disposing)
            {
            }
            if (_handle != IntPtr.Zero)
            {
                OE_Event_Delete(_handle);
                _handle = IntPtr.Zero;
            }
            _disposed = true;
        }

        internal IntPtr Handle
        {
            get { return _handle; }
        }

        public coe.Status Enable()
        {
            return OE_Event_Enable(_handle);
        }

        public coe.Status Disable()
        {
            return OE_Event_Disable(_handle);
        }

        public coe.Status SetNotification(coeEventFlag eventFlag, uint mask)
        {
            return OE_Event_Set_Event_Flag_Notification(_handle, eventFlag.Handle, mask);
        }
    }
}

//\\<Unclassified>
//----------------------------------------------------------------------------//
//                                 UNCLASSIFIED                               //
//----------------------------------------------------------------------------//
//\\<\Unclassified>