using System;
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using System.Data;
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using System.Configuration;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.HtmlControls;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Xml;
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using System.Runtime.CompilerServices;
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using System.Threading;
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namespace CCSTrace.CCS
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{
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public class CCSMain
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{
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private static CCSMain _instance;
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public static CCS.Object.CCSCodelist CCSCodelist;
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public static CCS.Object.EOSCodelist EOSCodelist;
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public static System.Collections.ArrayList DBConnList = new System.Collections.ArrayList();
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public static System.Collections.ArrayList ProcessCases = new System.Collections.ArrayList();
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private string LoadFilename = "DBConfig.xml";
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private string ConnectionString = "";
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private int ConnectionCount = 1;
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public static System.Data.OracleClient.OracleConnection MainConn = null;
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static SEventLog _MainLog = null;
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public static System.Collections.Hashtable ProcessFDR = new System.Collections.Hashtable();//Record the processing FDR
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public static System.Collections.ArrayList WaitingCases = new System.Collections.ArrayList();//Record the case when the case's FDR processed by another
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public CCSMain()
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{
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Initial();
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}
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public static CCSMain Instance()
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{
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// Uses lazy initialization.
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// Note: this is not thread safe.
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if (_instance == null)
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{
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_instance = new CCSMain();
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}
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return _instance;
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}
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private void Initial()
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{
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_MainLog = new SEventLog();
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try
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{
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ReadXML();
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if (MainConn == null)
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MainConn = CreateConnection();
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//MainConn = CreateMainConnection();
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CCSCodelist = new CCSTrace.CCS.Object.CCSCodelist(MainConn);
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EOSCodelist = new CCSTrace.CCS.Object.EOSCodelist(MainConn);
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for (int i = 0; i < ConnectionCount; i++)
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DBConnList.Add(CreateConnection());
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}
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catch(Exception e)
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{
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Console.WriteLine(e.Message);
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Console.WriteLine(e.StackTrace);
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_MainLog.Error(e.Message);
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if (LocalVariable.ShowError)
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_MainLog.Error(e.StackTrace);
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throw e;
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}
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finally
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{
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_MainLog.Close();
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}
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Object.CCSRecord m_Record = getWaitRecord();
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if (m_Record != null)
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{
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System.Data.OracleClient.OracleConnection _Conn = (System.Data.OracleClient.OracleConnection)DBConnList[0];
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DBConnList.Remove(_Conn);
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ProcessCase(m_Record, _Conn);
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}
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}
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public void AcceptEvent(Object.CCSRecord _Record)
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{
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int i = 0;
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int ReConnectCount = 1;
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while ( i <= ReConnectCount )
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{
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try
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{
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if (InsertEventRecord(_Record))
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{
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if (DBConnList.Count > 0)
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{
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//將EVETNQUERY的案件狀態改為開始處理
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Object.CCSRecord m_Record = getWaitRecord();
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if (m_Record != null)
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{
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System.Data.OracleClient.OracleConnection _Conn = (System.Data.OracleClient.OracleConnection)DBConnList[0];
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DBConnList.Remove(_Conn);
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ProcessCase(m_Record, _Conn);
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}
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}
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break;
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}
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}
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catch (Exception ex)
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{
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if (MainConn.State.ToString().Equals("Closed"))
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{
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i++;
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if (i > ReConnectCount)
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throw ex;
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}
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else
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throw ex;
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}
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}
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}
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private void ReadXML()
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{
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XmlReader reader = null;
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try
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{
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// 建立 XML 讀取器
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XmlReaderSettings settings = new XmlReaderSettings();
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settings.IgnoreComments = true; // 不處理註解
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settings.IgnoreWhitespace = true; // 跳過空白
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settings.ValidationType = ValidationType.None; // 不驗證任何資料
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reader = XmlTextReader.Create(System.AppDomain.CurrentDomain.BaseDirectory + "\\" + LoadFilename, settings);
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// 進入讀取主要部分
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while (reader.Read())
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{
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switch (reader.NodeType)
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{
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case XmlNodeType.Element:
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string LocalName = reader.LocalName; // 取得標籤名稱
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// Step 3: 讀取 FileInfo 標籤的屬性
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if (LocalName.Equals("DBSetting"))
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{
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ConnectionString = reader["ConnectionString"];
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ConnectionCount = Int32.Parse(reader["ConnectionCount"]);
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LocalVariable.ShowError = bool.Parse(reader["ShowError"]);
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}
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break;
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}
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}
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reader.Close();
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}
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catch (System.Xml.XmlException xe)
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{
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Console.WriteLine(xe.StackTrace);
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reader.Close();
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}
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}
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private System.Data.OracleClient.OracleConnection CreateConnection()
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{
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System.Data.OracleClient.OracleConnection DBConn = new System.Data.OracleClient.OracleConnection(ConnectionString);
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DBConn.Open();
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return DBConn;
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}
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[MethodImpl(MethodImplOptions.Synchronized)]
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private bool InsertEventRecord(Object.CCSRecord _Record)
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{
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Object.EventQuery _EventQuery = null;
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System.Data.OracleClient.OracleTransaction _Transaction = null;
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try
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{
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_MainLog = new SEventLog();
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if (MainConn.State.ToString().Equals("Closed"))
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MainConn.Open();
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_Transaction = MainConn.BeginTransaction();
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if (_Record.InsertDB(MainConn, _Transaction, _MainLog))
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{
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_EventQuery = new CCSTrace.CCS.Object.EventQuery();
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_EventQuery.setCCSID(_Record.getCCSID());
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_EventQuery.setMeter(_Record.getMeter());
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_EventQuery.setCaseStatus(LocalVariable.EventInitial);
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_EventQuery.setChangeTime(_Record.getAcceptTime());
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if (_EventQuery.Insert(_MainLog, MainConn, _Transaction))
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_Transaction.Commit();
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else
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{
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if (_Transaction.Connection.State.ToString().Equals("Open"))
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_Transaction.Rollback();
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throw new Exception("案件未受理成功。");
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}
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}
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else
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{
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if (_Transaction.Connection.State.ToString().Equals("Open"))
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_Transaction.Rollback();
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throw new Exception("案件未受理成功。");
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}
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}
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catch (System.Data.OracleClient.OracleException e)
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{
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Console.WriteLine(e.Message);
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Console.WriteLine(e.StackTrace);
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_MainLog.Error(e.Message);
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if (LocalVariable.ShowError)
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_MainLog.Error(e.StackTrace);
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if (_Transaction != null && _Transaction.Connection.State.ToString().Equals("Open") )
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_Transaction.Rollback();
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throw e;
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}
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catch(Exception ex)
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{
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Console.WriteLine(ex.Message);
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Console.WriteLine(ex.StackTrace);
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_MainLog.Error(ex.Message);
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if (LocalVariable.ShowError)
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_MainLog.Error(ex.StackTrace);
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if (_Transaction != null && _Transaction.Connection.State.ToString().Equals("Open") )
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_Transaction.Rollback();
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throw ex;
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}
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finally
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{
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_MainLog.Close();
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}
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return true;
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}
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delegate void WorkerThreadHandler();
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private void ProcessCase(Object.CCSRecord _Record, System.Data.OracleClient.OracleConnection _Conn)
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{
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try
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{
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if (_Conn.State.ToString().Equals("Closed"))
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_Conn.Open();
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ProcessEvent _ProcessEvent = new ProcessEvent(_Record,_Conn);
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_ProcessEvent.ThreadFinish += new ThreadEndEventHandler(ThreadEndEventProcess);
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System.Threading.ThreadStart _ThreadStart = new System.Threading.ThreadStart(_ProcessEvent.Run);
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System.Threading.Thread _Thread = new System.Threading.Thread(_ThreadStart);
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_Thread.Start();
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}
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catch (Exception e)
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{
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DBConnList.Add(_Conn);
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}
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}
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private void ThreadEndEventProcess(object sender, ThreadEndEvent e)
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{
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//將EVETNQUERY的案件狀態改為開始處理
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Object.CCSRecord m_Record = getWaitRecord();
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try
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{
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if (m_Record != null)
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ProcessCase(m_Record, e.getConnection());
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else
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DBConnList.Add(e.getConnection());
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}
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catch (Exception ex)
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{
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DBConnList.Add(e.getConnection());
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}
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}
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[MethodImpl(MethodImplOptions.Synchronized)]
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private Object.CCSRecord getWaitRecord()
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{
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String ProcessCCSID = "";
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String CCSID = "";
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Object.CCSRecord _Record = null;
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foreach (String[] Obj in WaitingCases)
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{
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String _CCSID = Obj[0];
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String _FDRID = Obj[1];
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if (ProcessFDR.ContainsKey(_FDRID)) //該條饋線仍有案件在處理中
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ProcessCCSID = ProcessCCSID + "'" + _CCSID + "',";
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else
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{
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CCSID = _CCSID;
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WaitingCases.Remove(Obj);
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break;
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}
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}
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if (CCSID.Length == 0) //沒有因同饋線而在等候中的案件
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{
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String SqlStmt = "SELECT Q.CCSID AS CCSID FROM CCS.EVENTQUERY Q,CCS.EVENTRECORD R WHERE Q.CASESTATUS IN (" + LocalVariable.EventInitial + "," + LocalVariable.EventProcess + ")";
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System.Collections.IEnumerator Enum = ProcessCases.GetEnumerator();
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while (Enum.MoveNext())
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ProcessCCSID = ProcessCCSID + "'" + Enum.Current.ToString() + "',";
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if (ProcessCCSID.Length != 0)
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SqlStmt = SqlStmt + " AND Q.CCSID NOT IN (" + ProcessCCSID.Substring(0, ProcessCCSID.Length - 1) + ")";
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SqlStmt = SqlStmt + " AND Q.CCSID = R.CCSID AND ROWNUM < 2 ORDER BY Q.ChangeTime";
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System.Data.OracleClient.OracleCommand Command = new System.Data.OracleClient.OracleCommand(SqlStmt, MainConn);
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System.Data.OracleClient.OracleDataReader reader = Command.ExecuteReader();
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try
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{
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if (reader.Read())
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CCSID = reader["CCSID"].ToString();
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}
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catch (Exception e)
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{
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Log(e.Message);
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_MainLog.Error("無法取得等候處理CCS案件資料。錯誤訊息 = " + e.Message);
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if (LocalVariable.ShowError)
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_MainLog.Error(e.StackTrace);
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}
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finally
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{
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reader.Close();
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Command.Dispose();
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}
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}
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if (CCSID.Length != 0)
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_Record = new Object.CCSRecord(CCSID, MainConn, _MainLog);
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if (_Record != null)
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{
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CCS.Object.EventQuery EventQuery = new CCSTrace.CCS.Object.EventQuery();
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//先將EVETNQUERY的案件狀態改為開始處理
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EventQuery.setCCSID(_Record.getCCSID());
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EventQuery.setCaseStatus(LocalVariable.EventProcess);
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System.Data.OracleClient.OracleTransaction _Transaction = MainConn.BeginTransaction();
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try
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{
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if (EventQuery.UpdateCaseStatus(_MainLog, MainConn, _Transaction))
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{
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_MainLog.Info("更新EVENTQUERY的案件狀態為處理中.(CCSID = " + _Record.getCCSID() + ")");
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_Transaction.Commit();
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ProcessCases.Add(_Record.getCCSID());
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}
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else
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{
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_MainLog.Error("無法更新EVENTQUERY的案件狀態.(CCSID = " + _Record.getCCSID() + ")");
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if (_Transaction.Connection.State.ToString().Equals("Open"))
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_Transaction.Rollback();
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}
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}
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catch (Exception e)
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{
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if (_Transaction.Connection.State.ToString().Equals("Open"))
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_Transaction.Rollback();
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Log(e.Message);
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_Record = null;
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}
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}
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return _Record;
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}
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RecordLog _PLog = new RecordLog(CCS.LocalVariable.CCS_ListPath + "MAIN.txt");
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private void Log(String message)
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{
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_PLog.Error(message);
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_PLog.Close();
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}
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}
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}
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