wcf 推送 与 广播
////wcf 接口 #region << 版 本 注 释 >> /**************************************************** * 文 件 名:IServices.cs * Copyright(c) 2011-2012 JiangGuoLiang * CLR 版本: 4.0.30319.235 * 创 建 人:Server126 * 创建日期:2011-8-10 15:00:55 *******************************************************/ #endregion using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; namespace Host { [ServiceContract(SessionMode = SessionMode.Required, CallbackContract = typeof(ICallBackServices))] public interface IServices { /// <summary> /// 注册客户端信息 /// </summary> [OperationContract(IsOneWay = false)] void Register(); } //End Host public interface ICallBackServices { /// <summary> /// 服务像客户端发送信息(异步) /// </summary> /// <param name="Message"></param> [OperationContract(IsOneWay = true)] void SendMessage(string Message); } } // End IServices //////end ////////实现接口 #region << 版 本 注 释 >> /**************************************************** * 文 件 名:Services.cs * Copyright(c) 2011-2012 JiangGuoLiang * CLR 版本: 4.0.30319.235 * 创 建 人:Server126 * 创建日期:2011-8-10 15:01:07 *******************************************************/ #endregion using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; using System.Configuration; namespace Host { /// <summary> /// 实例使用Single,共享一个 /// 并发使用Mutiple, 支持多线程访问(一定要加锁) /// </summary> [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)] public class Services : IServices { public static readonly string SendMessageType = ConfigurationManager.ConnectionStrings["SendMessageType"].ToString(); private static readonly object InstObj = new object();//单一实例 //public static List<ICallBackServices> RegList = null; public static Dictionary<string, ICallBackServices> DicHost = null; //记录机器名称 public static Dictionary<string, ICallBackServices> DicHostSess = null;//记录Sessionid public Services() { //RegList = new List<ICallBackServices>(); DicHost = new Dictionary<string, ICallBackServices>(); DicHostSess = new Dictionary<string, ICallBackServices>(); } #region IServices 成员 public void Register() { ICallBackServices client = OperationContext.Current.GetCallbackChannel<ICallBackServices>(); string sessionid = OperationContext.Current.SessionId;//获取当前机器Sessionid--------------------------如果多个客户端在同一台机器,就使用此信息。 string ClientHostName = OperationContext.Current.Channel.RemoteAddress.Uri.Host;//获取当前机器名称-----多个客户端不在同一台机器上,就使用此信息。 OperationContext.Current.Channel.Closing += new EventHandler(Channel_Closing);//注册客户端关闭触发事件 if (SendMessageType.ToUpper() == "SESSIONID") { DicHostSess.Add(sessionid, client);//添加 } else { DicHost.Add(ClientHostName, client); //添加 } //RegList.Add(client);//添加 } void Channel_Closing(object sender, EventArgs e) { lock (InstObj)//加锁,处理并发 { //if (RegList != null && RegList.Count > 0) // RegList.Remove((ICallBackServices)sender); if (SendMessageType.ToUpper() == "SESSIONID") { if (DicHostSess != null && DicHostSess.Count > 0) { foreach (var d in DicHostSess) { if (d.Value == (ICallBackServices)sender)//删除此关闭的客户端信息 { DicHostSess.Remove(d.Key); break; } } } } else { if (DicHost != null && DicHost.Count > 0) //同上 { foreach (var d in DicHost) { if (d.Value == (ICallBackServices)sender) { DicHost.Remove(d.Key); break; } } } } } } #endregion } //End Host } //End Services ////host using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.ServiceModel; using System.Threading; namespace Host { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private static readonly object InstObj = new object(); private static bool isval = true; private void Form1_Load(object sender, EventArgs e) { ServiceHost host = new ServiceHost(typeof(Services)); host.Open(); this.Text = "wcf starte aucceeded !"; #region init listbox Thread thread = new Thread(new ThreadStart(delegate ///监听所有客户端连接,并添加到ListBox控件里 { lock (InstObj)//加锁 { while (true) { if (Services.SendMessageType.ToUpper() == "SESSIONID") { if (Services.DicHostSess != null || Services.DicHostSess.Count > 0) { this.Invoke(new MethodInvoker(delegate { this.listBox1.Items.Clear(); })); foreach (var l in Services.DicHostSess) { this.Invoke(new MethodInvoker(delegate { this.listBox1.Items.Add(l.Key); })); } } } else { if (Services.DicHost != null || Services.DicHost.Count > 0) { this.Invoke(new MethodInvoker(delegate { this.listBox1.Items.Clear(); })); foreach (var l in Services.DicHost) { this.Invoke(new MethodInvoker(delegate { this.listBox1.Items.Add(l.Key); })); } } } Thread.Sleep(1000 * 10); } } })); thread.IsBackground = true; thread.Start(); #endregion } private void button1_Click(object sender, EventArgs e) { if (Services.DicHostSess == null || Services.DicHostSess.Count > 0) { if (this.listBox1.SelectedItem != null) { if (this.listBox1.SelectedItem.ToString() != "") { foreach (var d in Services.DicHostSess) { if (d.Key == this.listBox1.SelectedItem.ToString()) { d.Value.SendMessage(string.Format("Time: {0} message {1}", DateTime.Now, "abc")); } } } } else { MessageBox.Show("请选择要推送给哪台客户端"); return; } } if (Services.DicHost != null || Services.DicHost.Count > 0) { if (this.listBox1.SelectedItem != null) { if (this.listBox1.SelectedItem.ToString() != "") { foreach (var d in Services.DicHost) { if (d.Key == this.listBox1.SelectedItem.ToString()) { d.Value.SendMessage(string.Format("Time: {0} message {1}", DateTime.Now, "abc")); } } } } else { MessageBox.Show("请选择要推送给哪台客户端"); return; } } } //广播方式 private void button2_Click(object sender, EventArgs e) { if (Services.SendMessageType.ToUpper() == "SESSIONID")//类型 { foreach (var d in Services.DicHostSess) { d.Value.SendMessage(this.textBox1.Text); } } else { foreach (var d in Services.DicHost) { d.Value.SendMessage(this.textBox1.Text); } } } } } ////client using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; namespace client { class Program { static void Main(string[] args) { try { Console.WriteLine("create object..."); CallBack back = new CallBack(); InstanceContext context = new InstanceContext(back); ServiceReference1.ServicesClient client = new ServiceReference1.ServicesClient(context); Console.WriteLine("regist....."); client.Register(); Console.WriteLine("aucceeded"); } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.ReadKey(); client.Close();//关闭。 } } class CallBack : ServiceReference1.IServicesCallback { #region IServicesCallback 成员 public void SendMessage(string Message) { Console.WriteLine("[ClientTime{0:HHmmss}]Service Broadcast:{1}", DateTime.Now, Message); } #endregion } }
posted on 2011-08-11 14:15 SonyXbox 阅读(8351) 评论(13) 编辑 收藏 举报