WMSWebServiceExtension 使用,支持压缩; BeforeSerialize \AfterSerialize \BeforeDeserialize\AfterDeserialize 四个时刻

using System;
using System.Collections.Generic;
using System.IO.Compression;
using System.Diagnostics;
using System.Text;
using System.IO;
using System.Net;
using System.Text.RegularExpressions;
using System.Web.Services.Protocols;
using System.Windows.Forms;
using Best.Utility;
using System.Reflection;
using Best.Utility.BestLog;

namespace Best.WMS.IService
{
    public class WMSWebServiceExtension : SoapExtension
    {
        private Stream _oldStream;
        private Stream _newStream;
        private SoapMessage _curSoapMessage;

        private DateTime _dtBeginSerializeTime = new DateTime(); //开始序列化时间
        private DateTime _dtEndSerializeTime = new DateTime(); //结束序列化时间
        private DateTime _dtBeginDeserializeTime = new DateTime(); //开始反序列化时间
        private DateTime _dtEndDeserializeTime = new DateTime(); //结束反序列化时间

        private string _udf6;
        private const double ThresholdTime = 10 * 1000; //时间过长阀值,10秒
        private readonly object _obj = new object();

        public override void ProcessMessage(SoapMessage message)
        {
            lock (_obj)
            {
                _curSoapMessage = message;
                switch (message.Stage)
                {
                    case SoapMessageStage.BeforeSerialize:
                        _dtBeginSerializeTime = DateTime.Now;
                        break;
                    case SoapMessageStage.AfterSerialize:
                        _dtEndSerializeTime = DateTime.Now;
                        AfterSerialize(message);
                        break;
                    case SoapMessageStage.BeforeDeserialize:
                        _dtBeginDeserializeTime = DateTime.Now;
                        BeforeDeserialize(message);
                        break;
                    case SoapMessageStage.AfterDeserialize:
                        _dtEndDeserializeTime = DateTime.Now;
                        GetUdf6();
                        SoapLogHelper.LogInfo(GetLogLineStr());
                        break;
                    default:
                        throw new Exception("invalid stage");
                }
            }
        }


        public override Stream ChainStream(Stream stream)
        {
            lock (_obj)
            {
                _oldStream = stream;
                _newStream = new MemoryStream();

                return _newStream;
            }
        }

        //序列化请求之后(此时可对数据进行压缩)
        public void AfterSerialize(SoapMessage message)
        {
            _newStream.Position = 0;
            //if (string.IsNullOrEmpty(ClientConfig.IsWhDefaul))
            //{
            //    Copy(_newStream, _oldStream);
            //}
            //else
            {
                Copy2(_newStream, _oldStream);
            }
        }

        //反序列化响应之前(此时可对数据进行解压缩)
        public void BeforeDeserialize(SoapMessage message)
        {
            Copy(_oldStream, _newStream);
            _newStream.Position = 0;
        }

        void Copy(Stream from, Stream to)
        {
            TextReader reader = new StreamReader(from);
            TextWriter writer = new StreamWriter(to);
            string strContent = reader.ReadToEnd();
            writer.WriteLine(strContent);
            writer.Flush();
        }

        void Copy2(Stream from, Stream to)
        {
            var zipStream = new GZipStream(to, CompressionMode.Compress);
            var data = StreamToBytes(from);
            zipStream.Write(data, 0, data.Length);//将数据压缩并写到基础流中  
            zipStream.Close();
        }

        /// <summary>
        /// 将 Stream 转成 byte[]
        /// </summary>
        public byte[] StreamToBytes(Stream stream)
        {
            byte[] bytes = new byte[stream.Length];
            stream.Read(bytes, 0, bytes.Length);

            // 设置当前流的位置为流的开始
            stream.Seek(0, SeekOrigin.Begin);
            return bytes;
        }

        /// <summary>
        /// 获取IP地址
        /// </summary>
        private string GetHostIP()
        {
            try
            {
                return new IPAddress(Dns.GetHostByName(Dns.GetHostName()).AddressList[0].Address).ToString();
            }
            catch
            {
                return "";
            }
        }

        private string GetLogLineStr()
        {
            ParameterInfo[] piList = _curSoapMessage.MethodInfo.Parameters;
            string parameter = "";

            for (int i = 0; i < piList.Length; i++)
            {
                if (i == 0)
                {
                    parameter += piList[i].ParameterType.Name;
                }
                else
                {
                    parameter += ", " + piList[i].ParameterType.Name;
                }
            }

            var sb = new StringBuilder();

            TimeSpan totalSpan = _dtEndDeserializeTime.Subtract(_dtBeginSerializeTime); //服务总时间
            double totalTime = totalSpan.TotalMilliseconds;

            TimeSpan serialize = _dtEndSerializeTime.Subtract(_dtBeginSerializeTime); //序列化消耗时间
            double serializeTime = serialize.TotalMilliseconds;
            string serializeTimeVal = String.Format("{0:F}", serializeTime) + "ms";

            TimeSpan deserialize = _dtEndDeserializeTime.Subtract(_dtBeginDeserializeTime); //序反列化消耗时间
            double deserializeTime = deserialize.TotalMilliseconds;
            string deserializeTimeVal = String.Format("{0:F}", deserializeTime) + "ms";

            double udf6;
            double serverTime = double.TryParse(_udf6, out udf6) ? udf6 : 0;
            string serverTimeVal = String.Format("{0:F}", serverTime) + "ms"; //服务端消耗时间

            double netWorkTime = totalTime - serializeTime - deserializeTime - serverTime;
            string netWorkTimeVal = String.Format("{0:F}", netWorkTime) + "ms"; //网络消耗时间

            sb.Append("IP address: " + GetHostIP() + "\r\n");
            if (ClientService.CurrentUserInfo == null)
            {
                sb.Append("User: " + "Null" + "\r\n");
                sb.Append("Org: " + "Null" + "\r\n");
            }
            else
            {
                sb.Append("User: " + ClientService.CurrentUserInfo.userName + "\r\n");
                sb.Append("Org: " + ClientService.CurrentOrgName + "\r\n");
            }

            sb.Append("WebService: " + _curSoapMessage.Url + "\r\n");
            sb.Append("WebMethod: " + _curSoapMessage.MethodInfo.Name + "(" + parameter + ")" + "\r\n");
            sb.Append("InvokeTime: " + _dtBeginSerializeTime.ToString() + "\r\n");
            sb.Append("serializeTime: " + serializeTimeVal + "\r\n");
            sb.Append("deserializeTime: " + deserializeTimeVal + "\r\n");
            sb.Append("ServerTime:" + serverTimeVal + "\r\n");
            sb.Append("NetConsumeTime:" + netWorkTimeVal + "\r\n");

            if (serializeTime > ThresholdTime)
            {
                LogTimeOutWarning("序列化消耗时间过长", serializeTime);
            }
            if (deserializeTime > ThresholdTime)
            {
                LogTimeOutWarning("序反列化消耗时间过长", deserializeTime);
            }
            if (serverTime > ThresholdTime)
            {
                LogTimeOutWarning("服务端返回时间过长", serverTime);
            }

            return sb.ToString();
        }

        /// <summary>
        /// 记录各个环节超时日志
        /// </summary>
        private void LogTimeOutWarning(string warningMsg, double time)
        {
            var udfs = new List<string>
                {
                    string.Format("WebService: {0}", _curSoapMessage.Url),
                    string.Format("WebMethod: {0}", _curSoapMessage.MethodInfo.Name),
                    string.Format("{0}:{1}ms", warningMsg, time)
                };
            try
            {
                SysLogger.LogWarn(LoggerService.CreateLogMsg(SysLogger.SysLogCode, "WebService", "WMSWebServiceExtension", "LogTimeOutWarning", null, udfs.ToArray()));
            }
            catch (Exception e)
            {
                NLogHelper.Warn(e.ToString());
            }
        }

        void GetUdf6()
        {
            try
            {
                _newStream.Position = 0;
                string soapMessage = new StreamReader(_newStream).ReadToEnd();

                if (string.IsNullOrEmpty(soapMessage))
                    return;

                if (soapMessage.Contains("<code>") && soapMessage.Contains("</code>"))
                {
                    //强制更新
                    var codeArray = Regex.Split(soapMessage, "<code>", RegexOptions.IgnoreCase);
                    var codeStr = codeArray[1];
                    var messageCodeArray = Regex.Split(codeStr, "</code>", RegexOptions.IgnoreCase);
                    var messageCode = messageCodeArray[0];
                    if (messageCode.Trim() == "ERR_SECURITY_FORCE_RELOAD")
                    {
                        var forceExit = new ForceExitForm();
                        forceExit.ShowDialog();
                        if (forceExit.DialogResult != DialogResult.OK)
                            return;
                        var appFile = Application.StartupPath + "\\" + "Main.exe";
                        if (File.Exists(appFile))
                            Process.Start(appFile);

                        Environment.Exit(0);
                    }
                }

                if (!soapMessage.Contains("</udf6>") || !soapMessage.Contains("<udf6>"))
                    return;

                var beforeArray = Regex.Split(soapMessage, "<udf6>", RegexOptions.IgnoreCase);
                var firstStr = beforeArray[1];

                var afterArray = Regex.Split(firstStr, "</udf6>", RegexOptions.IgnoreCase);
                _udf6 = afterArray[0];
            }
            catch (Exception ex)
            {
                SysLogger.LogError(LoggerService.CreateLogMsg(SysLogger.SysLogCode, "WebService", "WMSWebServiceExtension", "GetUdf6", ex));
            }
        }

        public override object GetInitializer(LogicalMethodInfo methodInfo, SoapExtensionAttribute attribute)
        {
            lock (_obj)
            {
                return DBNull.Value;
            }
        }

        public override void Initialize(object initializer)
        {

        }

        public override object GetInitializer(Type serviceType)
        {
            lock (_obj)
            {
                return DBNull.Value;
            }
        }
    }

    [AttributeUsage(AttributeTargets.Method)]
    public class WMSExtensionAttribute : SoapExtensionAttribute
    {
        int priority;
        public override Type ExtensionType
        {
            get { return typeof(WMSWebServiceExtension); }
        }

        public override int Priority
        {
            get
            {
                return priority;
            }
            set
            {
                priority = value;
            }
        }
    }
}

有时在网络差、数据量大 的情况下,序列化 和 反序列化特别久的原因

使用wireshark可看出

上面计算的序列化时间:包含了 TCP3次握手的时间,一般都是慢在第一次和第二次握手之间

反序列化开始时间,收到第一个包 就认为开始序列化了(此时序列化出来的xml是不完整的),直到最后一个包传输完成,反序列化结束

所以,反序列化时间:包含了 接受后面数据包的时间(网络差,接收就慢,时间就大了)

 

posted on 2016-07-27 16:50  mtudou  阅读(399)  评论(0编辑  收藏  举报