/// <summary> /// 在Cached的Hashtable内判断Key是否存在 /// </summary> /// <param name="key"></param> /// <returns></returns> public static bool IsExitsKey(string key) { if (MC.KeyExists(key)) { return(true); } else { return(false); } }
public static void Add(string key, object value, DateTime ExpireDate) { if (mc.KeyExists(key)) { mc.Set(key, value, ExpireDate); } else { mc.Add(key, value, ExpireDate); } }
public override object Get(string key) { Debug.WriteLine("Get " + key); InicializaMemcached(); MemcachedClient cache = new MemcachedClient(); string chave = MD5(key); if (cache.KeyExists(chave)) { return cache.Get(chave); } else { return null; } }
public override object Add(string key, object entry, DateTime utcExpiry) { utcExpiry = TimeZoneInfo.ConvertTimeFromUtc(utcExpiry, TimeZoneInfo.Local); var agora = DateTime.Now; Debug.WriteLine("Add"+key + " __ " + utcExpiry.Subtract(agora).TotalSeconds.ToString()); InicializaMemcached(); MemcachedClient cache = new MemcachedClient(); string chave = MD5(key); if (cache.KeyExists(chave)) { return cache.Get(chave); } else { cache.Set(chave, entry, utcExpiry.ToUniversalTime()); return entry; } }
public void test() { //分布Memcachedf服务IP 端口 string[] servers = { "127.0.0.1:11211" }; //初始化池 SockIOPool pool = SockIOPool.GetInstance(); pool.SetServers(servers, true); pool.InitConnections = 3; pool.MinConnections = 3; pool.MaxConnections = 5; pool.SocketConnectTimeout = 1000; pool.SocketTimeout = 3000; pool.MaintenanceSleep = 30; pool.Failover = true; pool.Nagle = false; pool.Initialize(); //客户端实例 MemcachedClient mc = new Memcached.ClientLibrary.MemcachedClient(); mc.EnableCompression = false; StringBuilder sb = new StringBuilder(); //写入缓存 sb.AppendLine("写入缓存测试:"); sb.AppendLine("<br>_______________________________________<br>"); if (mc.KeyExists("cache")) { sb.AppendLine("缓存cache已存在"); } else { mc.Set("cache", "写入缓存时间:" + DateTime.Now.ToString()); sb.AppendLine("缓存已成功写入到cache"); } sb.AppendLine("<br>_______________________________________<br>"); sb.AppendLine("读取缓存内容如下:<br>"); sb.AppendLine(mc.Get("cache").ToString()); //测试缓存过期 sb.AppendLine("<br>_______________________________________<br>"); if (mc.KeyExists("endCache")) { sb.AppendLine("缓存endCache已存在,过期时间为:" + mc.Get("endCache").ToString()); } else { mc.Set("endCache", DateTime.Now.AddMinutes(1).ToString(), DateTime.Now.AddMinutes(1)); sb.AppendLine("缓存已更新写入到endCache,写入时间:" + DateTime.Now.ToString() + " 过期时间:" + DateTime.Now.AddMinutes(1).ToString()); } //分析缓存状态 Hashtable ht = mc.Stats(); sb.AppendLine("<br>_______________________________________<br>"); sb.AppendLine("Memcached Stats:"); sb.AppendLine("<br>_______________________________________<br>"); foreach (DictionaryEntry de in ht) { Hashtable info = (Hashtable)de.Value; foreach (DictionaryEntry de2 in info) { sb.AppendLine(de2.Key.ToString() + ": " + de2.Value.ToString() + "<br>"); } } Console.WriteLine(sb.ToString()); //Response.Write(sb.ToString()); }
public IAsyncResult BeginProcessRequest ( HttpContext context, AsyncCallback cb, object extraData ) { m_stopwatch.Start(); FileInfo fileInfo = new FileInfo(context.Request.MapPath(context.Request.CurrentExecutionFilePath)); this.LogDebug("File Date: {0}; File Length: {1}", fileInfo.LastWriteTimeUtc, fileInfo.Length); m_CONTENT_IS_MEMCACHED = false; m_USE_MEMCACHED = false; m_httpContext = context; m_returnOutput = true; m_httpMethod = m_httpContext.Request.HttpMethod; m_memcachedClient = (Client)context.Application["memcached"]; m_encoding = (UTF8Encoding)context.Application["encoding"]; m_queueClient = (QueueClient)context.Application["queueclient"]; m_hashkey = (string)context.Application["hashkey"]; m_xmlServiceOperationManager = (XPathServiceOperationManager)context.Application["xmlServiceOperationManager"]; m_xslTransformationManager = (XsltTransformationManager)context.Application["xslTransformationManager"]; m_transform = m_xslTransformationManager.Transform; m_xsltParams = (Hashtable)context.Application["globalXsltParams"]; m_transformContext = new Transform.Context(context, m_hashAlgorithm, (string)context.Application["hashkey"], fileInfo, (Hashtable)m_xsltParams.Clone(), fileInfo.LastWriteTimeUtc, fileInfo.Length); m_namedXsltHashtable = (Hashtable)context.Application["namedXsltHashtable"]; m_xmlSourceETagDictionary = m_xmlServiceOperationManager.XmlSourceETagDictionary; m_xmlReaderDictionary = m_xmlServiceOperationManager.XmlReaderDictionary; m_context = new Context(context, m_hashAlgorithm, m_hashkey, fileInfo, fileInfo.LastWriteTimeUtc, fileInfo.Length); this.LogDebug("File Date: {0}; File Length: {1}", m_context.RequestXmlFileInfo.LastWriteTimeUtc, m_context.RequestXmlFileInfo.Length); m_nuxleusAsyncResult = new Nuxleus.Core.NuxleusAsyncResult(cb, extraData); m_callback = cb; m_nuxleusAsyncResult.m_context = context; m_builder = new StringBuilder(); m_CONTENT_IS_MEMCACHED = false; m_USE_MEMCACHED = (bool)context.Application["usememcached"]; Uri requestUri = new Uri(m_context.RequestUri); m_requestHashcode = m_context.GetRequestHashcode(true).ToString(); m_lastModifiedKey = String.Format("LastModified:{0}", m_context.RequestUri.GetHashCode()); m_lastModifiedDate = String.Empty; m_request = new TransformRequest(); m_response = new TransformResponse(); Guid requestGuid = Guid.NewGuid(); m_request.ID = requestGuid; context.Response.ContentType = "text/xml"; IEnumerator headers = context.Request.Headers.GetEnumerator(); for (int i = 0; headers.MoveNext(); i++) { string local = context.Request.Headers.AllKeys[i].ToString(); this.LogDebug("KeyName: {0}, KeyValue: {1}", local, context.Request.Headers[local]); } bool hasXmlSourceChanged = m_xmlServiceOperationManager.HasXmlSourceChanged(m_context.RequestXmlETag, requestUri); //if (m_USE_MEMCACHED) { // string obj = (string)m_memcachedClient.Get(m_context.GetRequestHashcode(true).ToString()); // if (obj != null && !hasXmlSourceChanged) { // m_response.TransformResult = (string)obj; // m_CONTENT_IS_MEMCACHED = true; // if ((bool)context.Application["debug"]) { // context.Response.ContentType = "text"; // } // } else { // //m_writer = new StringWriter(m_builder); // m_CONTENT_IS_MEMCACHED = false; // } //} else { // m_writer = new StringWriter(m_builder); //} m_writer = new StringWriter(m_builder); try { switch (m_httpMethod) { case "GET": case "HEAD": case "POST": { string name = String.Format("Name: {0}", context.Request.QueryString["name"]); this.LogDebug("QueryString Length: {0}", context.Request.QueryString.Count); this.LogDebug(name); this.LogDebug("If-None-Match: {0}, RequestHashCode: {1}", context.Request.Headers["If-None-Match"], m_requestHashcode); this.LogDebug(context.Request.Path); if (context.Request.Headers["If-None-Match"] == m_requestHashcode) { this.LogDebug("They matched."); this.LogDebug("Use memcached: {0}, KeyExists: {1}, XmlSource Changed: {2}", m_USE_MEMCACHED, m_memcachedClient.KeyExists(m_lastModifiedKey), hasXmlSourceChanged); this.LogDebug("Last Modified Key Value: {0}", m_lastModifiedKey); if (m_USE_MEMCACHED && m_memcachedClient.KeyExists(m_lastModifiedKey) && !hasXmlSourceChanged) { m_lastModifiedDate = (string)m_memcachedClient.Get(m_lastModifiedKey); this.LogDebug("Last Modified Date: {0}", m_lastModifiedDate); if (context.Request.Headers["If-Modified-Since"] == m_lastModifiedDate) { context.Response.StatusCode = 304; m_returnOutput = false; goto CompleteCall; } else { goto Process; } } else if (m_CONTENT_IS_MEMCACHED) { goto CompleteCall; } else { goto Process; } } else { this.LogDebug("Headers do not match. Beginning transformation process..."); m_returnOutput = true; goto Process; } } case "PUT": { goto CompleteCall; } case "DELETE": { goto CompleteCall; } default: { goto CompleteCall; } } } catch (Exception ex) { m_exception = ex; WriteError(); goto CompleteCall; } Process: try { this.LogDebug("Processing Transformation"); this.LogDebug("Request XML ETag Value: {0}, Request URI: {1}", m_context.RequestXmlETag, requestUri); XPathNavigator navigator = m_xmlServiceOperationManager.GetXPathNavigator(m_context.RequestXmlETag, requestUri); //if (initialReader == null) { // initialReader = reader; //} else { // this.LogDebug("XmlReaders are the same object: {0}", initialReader.Equals(reader)); //} //this.LogDebug("XML Reader Value: {0}", reader.ReadOuterXml()); //this.LogDebug("XML Reader Hash: {0}", reader.GetHashCode()); XPathServiceOperationNavigator serviceOperationReader = new XPathServiceOperationNavigator(context, m_context, m_transformContext, navigator, m_request, m_response, m_xslTransformationManager); m_response = serviceOperationReader.Process(); } catch (Exception e) { this.LogDebug("Error: {0} in transformation.", e.Message); m_exception = e; WriteError(); } goto CompleteCall; CompleteCall: this.LogDebug("CompleteCall reached"); if (m_lastModifiedDate == String.Empty) { m_lastModifiedDate = DateTime.UtcNow.ToString("r"); } context.Response.AppendHeader("Cache-Control", "max-age=86400"); context.Response.AddHeader("Last-Modified", m_lastModifiedDate); context.Response.AddHeader("ETag", String.Format("\"{0}\"", m_requestHashcode)); m_nuxleusAsyncResult.CompleteCall(); return m_nuxleusAsyncResult; }
public void test() { //分布Memcachedf服务IP 端口 string[] servers = { "192.168.3.33:11211", "192.168.202.128:11211" }; //初始化池 SockIOPool pool = SockIOPool.GetInstance(); pool.SetServers(servers); pool.InitConnections = 3; pool.MinConnections = 3; pool.MaxConnections = 5; pool.SocketConnectTimeout = 1000; pool.SocketTimeout = 3000; pool.MaintenanceSleep = 30; pool.Failover = true; pool.Nagle = false; pool.Initialize(); //客户端实例 MemcachedClient mc = new Memcached.ClientLibrary.MemcachedClient(); mc.EnableCompression = false; StringBuilder sb = new StringBuilder(); //写入缓存 sb.AppendLine("写入缓存测试:"); sb.AppendLine("<br>_______________________________________<br>"); if (mc.KeyExists("cache")) { sb.AppendLine("缓存cache已存在"); } else { mc.Set("cache", "写入缓存时间:" + DateTime.Now.ToString()); sb.AppendLine("缓存已成功写入到cache"); } sb.AppendLine("<br>_______________________________________<br>"); sb.AppendLine("读取缓存内容如下:<br>"); sb.AppendLine(mc.Get("cache").ToString()); //测试缓存过期 sb.AppendLine("<br>_______________________________________<br>"); if (mc.KeyExists("endCache")) { sb.AppendLine("缓存endCache已存在,过期时间为:" + mc.Get("endCache").ToString()); } else { mc.Set("endCache", DateTime.Now.AddMinutes(1).ToString(), DateTime.Now.AddMinutes(1)); sb.AppendLine("缓存已更新写入到endCache,写入时间:" + DateTime.Now.ToString() + " 过期时间:" + DateTime.Now.AddMinutes(1).ToString()); } //分析缓存状态 Hashtable ht = mc.Stats(); sb.AppendLine("<br>_______________________________________<br>"); sb.AppendLine("Memcached Stats:"); sb.AppendLine("<br>_______________________________________<br>"); foreach (DictionaryEntry de in ht) { Hashtable info = (Hashtable)de.Value; foreach (DictionaryEntry de2 in info) { sb.AppendLine(de2.Key.ToString() + ": " + de2.Value.ToString() + "<br>"); } } Response.Write(sb.ToString()); }