标签:converter crypto title security queue 消息 console htm 队列
1.MSMQ安装
控制面板-程序和功能-打开或关闭Windows功能-Microsoft Message Queue(MSMQ)服务器,选中所有,点击确定。
2.消息队列的应用场景(转载自http://www.cnblogs.com/stopfalling/p/5375492.html)
①异步处理
②应用解耦
③流量削锋
④日志处理
⑤消息通讯
3.MSMQ消息分为事务性和非事务性
非事务性的消息保存在内存中,机器重启后丢失消息队列中的消息。
事务性的消息经过了持久化,保存在硬盘中,机器重启后队列中的消息不会丢失。
4.测试代码
消息发送方
namespace MessageQueueSender { class Program { static void Main(string[] args) { MessageQueue MSMQ = CreateMessageQueue(@".\private$\tpmsmq"); MSMQ.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) }); Console.WriteLine("是否继续发送消息:Y/N?"); string cmd = Console.ReadLine(); while (cmd.Equals("Y")) { Sender(MSMQ); Console.WriteLine("是否继续发送消息:Y/N?"); cmd = Console.ReadLine(); } Console.WriteLine("按任意键以停止..."); Console.ReadKey(); } private static void Sender(MessageQueue MSMQ) { try { string random = GenerateRandom(); string obj = string.Format("{0} 发送方:{1}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), random); MSMQ.Send(obj, MessageQueueTransactionType.Single); Console.WriteLine(obj); } catch (Exception ex) { Console.WriteLine(string.Format("{0} 发送方:{1}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), ex.Message)); } } public static MessageQueue CreateMessageQueue(string path) { MessageQueue mq = null; if (MessageQueue.Exists(path)) { mq = new MessageQueue(path); } else { mq = MessageQueue.Create(path, true); } return mq; } public static string GenerateRandom() { int seed = GetRandomSeed(); return new Random(seed) .Next(Int32.MaxValue).ToString(); } /// <summary> /// 创建加密随机数生成器 生成强随机种子 /// </summary> /// <returns></returns> private static int GetRandomSeed() { byte[] bytes = new byte[4]; System.Security.Cryptography.RNGCryptoServiceProvider rng = new System.Security.Cryptography.RNGCryptoServiceProvider(); rng.GetBytes(bytes); return BitConverter.ToInt32(bytes, 0); } } }
消息接收方
namespace MessageQueueReceiver { class Program { static void Main(string[] args) { MessageQueue MSMQ = CreateMessageQueue(@".\private$\tpmsmq"); MSMQ.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) }); Receiver(MSMQ); } private static void Receiver(MessageQueue MSMQ) { while (true) { try { Message m = MSMQ.Receive(MessageQueueTransactionType.Single); Console.WriteLine(string.Format("{0} 接收方:[{1}]", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), m.Body.ToString())); } catch (Exception ex) { Console.WriteLine(string.Format("{0} 接收方:{1}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), ex.Message)); } } } public static MessageQueue CreateMessageQueue(string path) { MessageQueue mq = null; if (MessageQueue.Exists(path)) { mq = new MessageQueue(path); } else { mq = MessageQueue.Create(path, true); } return mq; } } }
MessageQueue.Receive()方法是同步执行的,如果队列中没有消息,则会造成阻塞,程序会停止在这块,等待消息的产生。
标签:converter crypto title security queue 消息 console htm 队列
原文地址:http://www.cnblogs.com/tanpeng/p/7076723.html