//-----------------------------------------------------------------------
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// <copyright file="MSMQHelper.cs" company="iPilotWhale">
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// Suzhou Linktron Systems Co.,Ltd . All rights reserved.
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// </copyright>
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// <author>温向超</author>
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// <description>消息队列操作辅助类</description>
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//-----------------------------------------------------------------------
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using System;
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using System.Messaging;
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namespace HMI.Core.Util
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{
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/// <summary>
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/// 消息队列操作类
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/// </summary>
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public class MSMQHelperCCC
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{
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/// <summary>
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/// 消息队列名称
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/// </summary>
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private string msmqName = string.Empty;
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/// <summary>
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/// 消息队列路径
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/// </summary>
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private string msmqPath = string.Empty;
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/// <summary>
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/// 要操作的消息队列
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/// </summary>
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private MessageQueue msgQueue = null;
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="Name">消息队列名称</param>
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public MSMQHelperCCC(string Name)
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{
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try
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{
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this.msmqName = Name;
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this.msmqPath = ".\\private$\\" + this.msmqName;
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if (MessageQueue.Exists(this.msmqPath))
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{
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// 如果当前消息队列已经存在
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this.msgQueue = new MessageQueue(this.msmqPath);
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}
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else
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{
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// 如果消息队列不存在，则创建消息对垒
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this.msgQueue = MessageQueue.Create(this.msmqPath);
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}
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this.msgQueue.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) });
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}
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catch(Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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/// <summary>
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/// 发送消息
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/// </summary>
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/// <param name="MessageID">消息ID</param>
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/// <param name="MsgString">要发送的字符串</param>
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public void Send(string MessageID,string MsgString)
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{
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try
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{
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this.msgQueue.Send(MsgString, MessageID);
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}
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catch(Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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/// <summary>
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/// 接收消息队列中的消息
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/// </summary>
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/// <param name="TimeOut">超时时间(ms)</param>
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/// <param name="MessageID">消息ID</param>
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/// <param name="MsgString">消息内容</param>
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public void Receive(long TimeOut,out string MessageID,out string MsgString)
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{
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try
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{
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MessageID = string.Empty;
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MsgString = string.Empty;
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TimeSpan Time = new TimeSpan(TimeOut);
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Message MsgReceived = null;
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try
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{
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MsgReceived = this.msgQueue.Receive(Time);
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}
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catch
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{
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// do nothing
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}
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if(MsgReceived!=null)
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{
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MessageID = MsgReceived.Label;
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MsgString = MsgReceived.Body.ToString();
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}
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}
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catch(Exception ex)
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{
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throw new Exception("接收消息失败:" + ex.Message);
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}
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}
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/// <summary>
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/// 清除消息队列中的消息
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/// </summary>
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public void Clear()
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{
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try
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{
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this.msgQueue.Purge();
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}
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catch(Exception ex)
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{
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throw new Exception("清除消息队列失败:" + ex.Message);
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}
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}
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/// <summary>
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/// 关闭当前队列
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/// </summary>
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public void Close()
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{
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this.msgQueue.Close();
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}
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/// <summary>
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/// 删除当前队列
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/// </summary>
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public void Delete()
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{
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MessageQueue.Delete(this.msmqPath);
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}
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}
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}
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