using System;
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using System.Linq;
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using System.Web;
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using HDL_ON.UI;
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namespace HDL_ON.DAL.Net
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{
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public static class HttpListener
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{
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private static System.Net.HttpListener listener;
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/// <summary>
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/// 启动监听及处理
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/// </summary>
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public static void Start(System.Net.IPAddress ipAddress, int port)
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{
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try
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{
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if (listener == null)
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{
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listener = new System.Net.HttpListener();
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listener.AuthenticationSchemes = System.Net.AuthenticationSchemes.Anonymous;
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//listener.Prefixes.Add (string.Format ("http://{0}:{1}/", ipAddress.ToString (), port));
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listener.Prefixes.Add($"http://+:{port}/");
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listener.Start();
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//beginGetContext(listener);
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contextThread = new System.Threading.Thread(() =>
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{
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while (true)
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{
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var context = listener.GetContext();
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System.Threading.Tasks.Task.Run(() =>
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{
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manager(context);
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});
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}
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})
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{ IsBackground = true };
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contextThread.Start();
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MainPage.Log("HttpListener已经启动!");
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}
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}
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catch (Exception e)
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{
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MainPage.Log("HttpListener启动失败!\r\n" + e.Message);
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}
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}
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/// <summary>
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///
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/// </summary>
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static System.Threading.Thread contextThread;
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/// <summary>
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/// 请求事件
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/// </summary>
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/// <param name="commandType">请求命令</param>
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/// <param name="outStream">输出流</param>
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/// <param name="inStream">输入流</param>
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public delegate void RequestEventHandler(System.Collections.Specialized.NameValueCollection nameValueCollection, System.IO.Stream outputStream, System.IO.Stream inputStream);
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/// <summary>
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/// 请求事件
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/// </summary>
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public static event RequestEventHandler EventHandler;
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/// <summary>
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/// 开始异步接收http请求
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/// </summary>
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/// <param name="listerner"></param>
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private static void beginGetContext(System.Net.HttpListener listerner)
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{
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try
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{
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if (listerner == null || !listerner.IsListening)
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{
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return;
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}
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listerner.BeginGetContext(new System.AsyncCallback(getContextCallBack), null);
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}
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catch
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{
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System.Threading.Thread.Sleep(1);
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beginGetContext(listerner);
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}
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}
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/// <summary>
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/// 获取http请求，并处理
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/// </summary>
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/// <param name="ar"></param>
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private static void getContextCallBack(System.IAsyncResult ar)
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{
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beginGetContext(listener);
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try
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{
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System.Net.HttpListenerContext context = listener.EndGetContext(ar);
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manager(context);
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}
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catch { }
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}
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/// <summary>
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/// 关闭
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/// </summary>
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public static void Close()
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{
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try
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{
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if (contextThread != null)
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{
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contextThread.Abort();
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contextThread = null;
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}
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}
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catch { }
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try
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{
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if (listener != null)
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{
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listener.Close();
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listener = null;
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}
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}
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catch { }
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MainPage.Log("HttpListener已经关闭!");
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}
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private static void manager(System.Net.HttpListenerContext httpListenerContext)
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{
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System.Net.HttpListenerResponse httpListenerResponse = null;
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try
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{
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#region
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httpListenerResponse = httpListenerContext.Response;
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httpListenerResponse.StatusCode = 200;//设置返回给客服端http状态代码
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httpListenerResponse.ContentEncoding = System.Text.Encoding.UTF8;
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if (EventHandler != null)
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{
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EventHandler(HttpUtility.ParseQueryString(System.IO.Path.GetFileName(httpListenerContext.Request.RawUrl)), httpListenerResponse.OutputStream, httpListenerContext.Request.InputStream);
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}
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httpListenerResponse.OutputStream.Flush();
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#endregion
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}
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catch
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{
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}
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finally
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{
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#region
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try
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{
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httpListenerContext.Request.InputStream.Close();
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}
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catch { }
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try
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{
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httpListenerResponse.OutputStream.Close();
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}
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catch { }
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try
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{
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httpListenerResponse.Close();
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}
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catch { }
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#endregion
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}
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}
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public static void PostData(string url, string postJson)
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{
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System.IO.Stream outputStream = null;
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System.IO.Stream inputStream = null;
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try
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{
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System.Net.HttpWebRequest webReq = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(new Uri(url));
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webReq.Method = "POST";
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//webReq
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byte[] byteData = System.Text.Encoding.UTF8.GetBytes(postJson);
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//定义传送数据格式
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webReq.ContentType = "application/json";
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webReq.Accept = "application/json";
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//webReq.ContentType = "application/x-www-form-urlencoded";
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//webReq.Timeout = 1000*2;
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webReq.ContentLength = byteData.Length;
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//定义Stream信息
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outputStream = webReq.GetRequestStream();
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outputStream.Write(byteData, 0, byteData.Length);
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outputStream.Flush();
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outputStream.Close();
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//inputStream= webReq.GetResponse().GetResponseStream();
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}
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catch
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{
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throw new Exception("发送失败");
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}
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finally
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{
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if (null != outputStream)
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{
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outputStream.Close();
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}
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if (null != inputStream)
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{
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inputStream.Close();
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}
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}
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}
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}
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}
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