网络监听

HKCardOUT/Helper/DataBus.cs

@@ -20,6 +20,7 @@ namespace HKCardOUT.Helper
                 _ConnectionString = SyncStatic.CreateFile(Path.Combine(SyncStatic.CreateDir(Route), value));
             }
         }
+        public static bool NetWordState { get; set; } = false;
         public static string Cron { get; set; }
         public static string SaasRoute { get; set; }
     }

HKCardOUT/Helper/HKHelper.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace HKCardOut.Helper
+{
+    public class HKHelper: Singleton<HKHelper>
+    {
+        /// <summary>
+        /// 判断网络状况的方法,返回值true为连接，false为未连接  
+        /// </summary>
+        /// <param name="conState"></param>
+        /// <param name="reder"></param>
+        /// <returns></returns>
+        [DllImport("wininet")]
+        public extern static bool InternetGetConnectedState(out int conState, int reder);
+        /// <summary>
+        /// 获取当前网络连接状态
+        /// </summary>
+        /// <returns>成功连接网络返回 true,未连接返回 false</returns>
+        public bool GetNetworkState()
+        {
+            return InternetGetConnectedState(out int i, 0);
+        }
+
+        }
+    }

HKCardOUT/Helper/ThreadManage.cs

@@ -0,0 +1,445 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace HKCardOut.Helper
+{
+    public class Singleton<T> where T : new()
+    {
+        private static object _async = new object();
+
+        private static T _instance;
+
+        static readonly Lazy<T> instance = new();
+        /// <summary>
+        /// 获取实例
+        /// </summary>
+        /// <returns></returns>
+        public static T GetInstance()
+        {
+            return instance.Value;
+        }
+    }
+    public class ThreadManage : Singleton<ThreadManage>
+    {
+        string guid = "871d7e28-c413-4675-8d28-64e4dca4c2d3-";
+        private static readonly object _lock = new object();
+        StringBuilder callbackKey = new StringBuilder();
+        List<string> keys = new List<string>();
+        ConcurrentDictionary<string, Task> Threads = new ConcurrentDictionary<string, Task>();
+        ConcurrentDictionary<string, CancellationTokenSource> CancellationTokenSources = new ConcurrentDictionary<string, CancellationTokenSource>();
+
+        /// <summary>
+        /// 停止指定任务
+        /// </summary>
+        /// <param name="key">任务名</param>
+        /// <param name="ExitCallback">任务结束的回调</param>
+        public void StopTask(string key, Action ExitCallback = null)
+        {
+            if (CancellationTokenSources.ContainsKey(guid + key))
+            {
+                CancellationTokenSources[guid + key]?.Cancel();
+                ActionManage.GetInstance.Register(ExitCallback, guid + key);
+            }
+            else
+            {
+                if (ExitCallback != null) ExitCallback();
+            }
+        }
+
+        /// <summary>
+        /// 长任务，带 while true 的循环
+        /// </summary>
+        /// <param name="action"></param>
+        /// <param name="key"></param>
+        public void StartLong(Action action, string key, bool IsRestart = false, Action RunComplete = null)
+        {
+            CancellationTokenSources.TryAdd(guid + key, new CancellationTokenSource());
+            bool result = Threads.TryAdd(guid + key, Task.Factory.StartNew(new Action(() =>
+            {
+                Thread.CurrentThread.Name = key;
+            ReStart:
+                try
+                {
+                    while (!CancellationTokenSources[guid + key].IsCancellationRequested)
+                    {
+                        if (action != null) action();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    if (IsRestart)
+                    {
+                        Thread.Sleep(2000);
+                        goto ReStart;
+                    }
+                    else
+                    {
+                        CancellationTokenSources.TryRemove(guid + key, out CancellationTokenSource temp);
+                        Threads.TryRemove(guid + key, out Task temp1);
+                    }
+                }
+            }), CancellationTokenSources[guid + key].Token).ContinueWith(new Action<Task, object>((t, o) =>
+            {
+                ThreadStatus(t, o.ToString());
+                if (RunComplete != null) RunComplete();
+            }), guid + key));
+        }
+
+
+        /// <summary>
+        /// 不带 while true 的循环任务
+        /// </summary>
+        /// <param name="action"></param>
+        /// <param name="key"></param>
+        public void Start(Action action, string key, bool isRestart = false)
+        {
+            CancellationTokenSources.TryAdd(guid + key, new CancellationTokenSource());
+            bool result = Threads.TryAdd(guid + key, Task.Factory.StartNew(new Action(() =>
+            {
+                Thread.CurrentThread.Name = key;
+                try
+                {
+                    if (action != null) action();
+                }
+                catch (Exception ex)
+                {
+                    if (isRestart)
+                    {
+                        CancellationTokenSources.TryRemove(guid + key, out CancellationTokenSource item1);
+                        Threads.TryRemove(guid + key, out Task item2);
+                        Start(action, key, isRestart);
+                    }
+                    else
+                    {
+                    }
+                }
+            }), CancellationTokenSources[guid + key].Token).ContinueWith(new Action<Task, object>((t, o) =>
+            {
+                ThreadStatus(t, o.ToString());
+            }), guid + key));
+        }
+
+        private void ThreadStatus(Task task, string key)
+        {
+            bool IsRemove = false;
+            string name = key.Substring(key.LastIndexOf('-') + 1);
+            switch (task.Status)
+            {
+                case TaskStatus.RanToCompletion:
+                    IsRemove = true;
+                    break;
+                case TaskStatus.Faulted:
+                    IsRemove = true;
+                    break;
+                case TaskStatus.Canceled:
+                    IsRemove = true;
+                    break;
+                default:
+                    break;
+            }
+
+            if (IsRemove)
+            {
+                if (Threads.ContainsKey(key))
+                    Threads.TryRemove(key, out Task t);
+                if (CancellationTokenSources.ContainsKey(key))
+                    CancellationTokenSources.TryRemove(key, out CancellationTokenSource cts);
+                ActionManage.GetInstance.Send(key);
+            }
+        }
+
+        /// <summary>
+        /// 释放所有线程资源
+        /// </summary>
+        public void Dispose()
+        {
+            for (int i = 0; i < CancellationTokenSources.Count; i++)
+            {
+                CancellationTokenSources.ElementAt(i).Value.Cancel();
+            }
+        }
+
+        /// <summary>
+        /// 判断指定线程是否完成
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public bool IsComplete(string key)
+        {
+            if (Threads.ContainsKey(guid + key)) return Threads[guid + key].IsCompleted;
+            return false;
+        }
+
+    }
+    internal class Delegation
+    {
+        /// <summary>
+        /// 带参数的委托
+        /// </summary>
+        public Action<object> ActionPar { get; set; }
+        /// <summary>
+        /// 带参数的委托
+        /// </summary>
+        public Action<object[]> ActionPars { get; set; }
+        /// <summary>
+        /// 无参数的委托
+        /// </summary>
+        public Action ActionBus { get; set; }
+        /// <summary>
+        /// 有返回值的委托
+        /// </summary>
+        public Func<object> FuncObj { get; set; }
+        /// <summary>
+        /// 有返回值，有参数的委托
+        /// </summary>
+        public Func<object, object> FuncPar { get; set; }
+    }
+    public class ActionManage
+    {
+
+        private volatile static ActionManage _Instance;
+        public static ActionManage GetInstance => _Instance ?? (_Instance = new ActionManage());
+        private ActionManage() { }
+
+        //private static ConcurrentDictionary<string, delegate> actions = new ConcurrentDictionary<string, delegate>();
+        private static ConcurrentDictionary<string, Delegation> actions = new ConcurrentDictionary<string, Delegation>();
+
+        static readonly object SendLock = new object();
+        static readonly object SendParLock = new object();
+        static readonly object RegisterLock = new object();
+
+        /// <summary>
+        /// 注销委托
+        /// </summary>
+        /// <param name="key"></param>
+        public void CancelRegister(string key)
+        {
+            if (actions.ContainsKey(key))
+                actions.TryRemove(key, out Delegation t);
+        }
+
+        /// <summary>
+        /// 执行注册过的委托
+        /// </summary>
+        /// <param name="key">注册委托的key</param>
+        /// <param name="par">委托参数</param>
+        /// <param name="Callback">委托回调</param>
+        public void Send(string key, object par, Action Callback = null)
+        {
+            lock (SendLock)
+                if (actions.ContainsKey(key)) actions[key].ActionPar.Invoke(par, Callback);
+        }
+
+        /// <summary>
+        /// 执行注册过的委托
+        /// </summary>
+        /// <param name="key">注册委托的key</param>
+        /// <param name="par">委托参数</param>
+        /// <param name="Callback">委托回调</param>
+        public void Send(string key, object[] par, Action Callback = null)
+        {
+            lock (SendLock)
+                if (actions.ContainsKey(key)) actions[key].ActionPars.Invokes(par, Callback);
+        }
+
+        /// <summary>
+        /// 执行注册过的委托
+        /// </summary>
+        /// <param name="key">注册委托的key</param>
+        /// <param name="Callback">委托回调</param>
+        public void Send(string key, Action Callback = null)
+        {
+            lock (SendLock)
+                if (actions.ContainsKey(key)) actions[key].ActionBus?.Invoke(Callback);
+        }
+
+        public object SendResult(string key, object par = null)
+        {
+            lock (SendLock)
+                if (actions.ContainsKey(key))
+                    if (par == null)
+                    {
+                        return actions[key].FuncObj?.Invoke();
+                    }
+                    else
+                    {
+                        return actions[key].FuncPar?.Invoke(par);
+                    }
+            return default;
+        }
+
+        public void Register<T>(T action, string key)
+        {
+            lock (RegisterLock)
+            {
+                if (action != null)
+                {
+                    if (!actions.ContainsKey(key))
+                    {
+                        if (action is Action actionBus)
+                            actions.TryAdd(key, new Delegation() { ActionBus = actionBus });
+
+                        if (action is Action<object> actionObj)
+                            actions.TryAdd(key, new Delegation() { ActionPar = actionObj });
+
+                        if (action is Action<object[]> actionObjs)
+                            actions.TryAdd(key, new Delegation() { ActionPars = actionObjs });
+
+                        if (action is Func<object> funcObj)
+                            actions.TryAdd(key, new Delegation() { FuncObj = funcObj });
+
+                        if (action is Func<object, object> puncPar)
+                            actions.TryAdd(key, new Delegation() { FuncPar = puncPar });
+                    }
+                }
+            }
+
+        }
+
+    }
+    public static class ExpandMethod
+    {
+        /// <summary>
+        /// 获取布尔数组指定值得索引
+        /// </summary>
+        /// <param name="obj">要获取索引的数组</param>
+        /// <param name="value">要获取索引的值</param>
+        /// <returns></returns>
+        public static int GetIndex(this bool[] obj, bool value)
+        {
+            if (obj == null) return -1;
+            return Array.FindIndex(obj, p => p == value);
+        }
+
+        /// <summary>
+        /// 获取字符串数组指定值得索引
+        /// </summary>
+        /// <param name="obj">要获取索引的数组</param>
+        /// <param name="value">要获取索引的值</param>
+        /// <returns></returns>
+        public static int GetIndex(this string[] obj, string value)
+        {
+            if (obj == null || value == null) return -1;
+            return Array.FindIndex(obj, p => p == value && p.Length > 0);
+        }
+
+        /// <summary>
+        /// 委托回调
+        /// </summary>
+        /// <param name="action">要执行的委托</param>
+        /// <param name="callback">委托回调</param>
+        public static void Invoke(this Action action, Action callback)
+        {
+            action?.Invoke();
+            callback?.Invoke();
+        }
+
+        /// <summary>
+        /// 委托回调
+        /// </summary>
+        /// <param name="action">要执行的委托</param>
+        /// <param name="par">要执行的委托的参数</param>
+        /// <param name="callback">委托回调</param>
+        public static void Invoke(this Action<object> action, object par, Action callback)
+        {
+            action?.Invoke(par);
+            callback?.Invoke();
+        }
+
+        public static void Invokes(this Action<object[]> action, object[] par, Action callback)
+        {
+            action?.Invoke(par);
+            callback?.Invoke();
+        }
+
+
+        /// <summary>
+        /// 字节数组转换成32位整数
+        /// </summary>
+        /// <param name="bytes"></param>
+        /// <returns></returns>
+        public static int BytesToInt(this byte[] bytes)
+        {
+            if (bytes.Length > 4) return -1;
+            int ReturnVlaue = 0;
+            for (int i = 0; i < bytes.Length; i++)
+            {
+                ReturnVlaue += (int)(bytes[i] << (i * 8));
+            }
+            return ReturnVlaue;
+        }
+
+        /// <summary>
+        /// 字节数组转换成 ushort 数组
+        /// </summary>
+        /// <param name="bytes">要转换的字节数组</param>
+        /// <param name="reverse">字节高度顺序控制</param>
+        /// <returns></returns>
+        public static ushort[] BytesToUshorts(this byte[] bytes, bool reverse = false)
+        {
+            int len = bytes.Length;
+
+            byte[] srcPlus = new byte[len + 1];
+            bytes.CopyTo(srcPlus, 0);
+            int count = len >> 1;
+
+            if (len % 2 != 0)
+            {
+                count += 1;
+            }
+
+            ushort[] dest = new ushort[count];
+            if (reverse)
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    dest[i] = (ushort)(srcPlus[i * 2] << 8 | srcPlus[2 * i + 1] & 0xff);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    dest[i] = (ushort)(srcPlus[i * 2] & 0xff | srcPlus[2 * i + 1] << 8);
+                }
+            }
+
+            return dest;
+        }
+
+        /// <summary>
+        /// ushort 数组转换成字节数组
+        /// </summary>
+        /// <param name="src">需要转换的 ushort数组</param>
+        /// <param name="reverse">高低字节的设置</param>
+        /// <returns></returns>
+        public static byte[] UshortsToBytes(this ushort[] src, bool reverse = false)
+        {
+
+            int count = src.Length;
+            byte[] dest = new byte[count << 1];
+            if (reverse)
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    dest[i * 2] = (byte)(src[i] >> 8);
+                    dest[i * 2 + 1] = (byte)(src[i] >> 0);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    dest[i * 2] = (byte)(src[i] >> 0);
+                    dest[i * 2 + 1] = (byte)(src[i] >> 8);
+                }
+            }
+            return dest;
+        }
+    }
+}

HKCardOUT/ViewModels/RootViewModel.cs

@@ -1,19 +1,42 @@
-using Stylet;
+using HKCardOut.Helper;
+using HKCardOUT.Helper;
+using Stylet;
+using System;
+using System.Threading;
 
 namespace HKCardOUT.ViewModels
 {
     public class RootViewModel : PropertyChangedBase
     {
-        private string _title = "HandyControl Application";
-        public string Title
-        {
-            get { return _title; }
-            set { SetAndNotify(ref _title, value); }
-        }
 
         public RootViewModel()
         {
+            MainThread();
+        }
 
+        #region 方法
+        private void MainThread()
+        {
+            ThreadManage.GetInstance().StartLong(new Action(() =>
+            {
+                try
+                {
+                    //1.检测网络上下线
+                    bool network = HKHelper.GetInstance().GetNetworkState();
+                    if (network != DataBus.NetWordState)
+                    {
+                        if (network) HandyControl.Controls.Growl.InfoGlobal("网络连接成功");
+                        else HandyControl.Controls.Growl.InfoGlobal("系统已离线,请连接网络!!!");
+                        DataBus.NetWordState = network;
+                    }
+                    Thread.Sleep(3000);
+                }
+                catch (Exception ex)
+                {
+                    HandyControl.Controls.Growl.InfoGlobal(ex.Message);
+                }
+            }), "循环状态监测线程", false);
         }
+        #endregion
     }
 }