1 |
torben |
1986 |
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Diagnostics;
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using IBM.WMQ;
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using MySql.Data.MySqlClient;
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namespace DaoMqPump2
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{
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public class Transport
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{
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torben |
1999 |
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enum LogfileType {
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LogTransactions,
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LogEvents
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}
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torben |
1986 |
public static string SQL2MQ = "sql2mq";
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public static string MQ2SQL = "mq2sql";
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torben |
1999 |
private bool enabled;
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torben |
1986 |
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TransportController controller;
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1999 |
StatusData statusData = new StatusData();
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torben |
1986 |
public string name { get; private set; }
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public string direction { get; private set; }
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public string queueName { get; private set; }
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public string mq2sqlInsertQuery { get; private set; }
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public string sql2mqReadQuery { get; private set; }
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public string sql2mqUpdateQuery { get; private set; }
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torben |
1999 |
//public bool lastrunOk { get; private set; }
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//public string lastErrorMessage { get; private set; }
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torben |
1986 |
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torben |
1999 |
//public string lastOkTime { get; private set; }
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//public string lastErrorTime { get; private set; }
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//public string lastTransferTime { get; private set; }
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torben |
1986 |
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torben |
1999 |
//public int counter { get; private set; }
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torben |
1986 |
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torben |
1999 |
public StatusData TransportStatusData
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{
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get
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{
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return this.statusData;
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}
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}
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public bool Enabled
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{
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get {
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return this.enabled;
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}
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set
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{
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this.enabled = value;
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if (value == true)
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{
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this.addLogEntry("Transport enabled");
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}
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else
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{
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this.addLogEntry("Transport disabled");
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}
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}
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}
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private LinkedList<string> logEntries = new LinkedList<string>();
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public Transport(TransportController controller, string name, string direction, string queueName, string mq2sqlInsertQuery, string sql2mqReadQuery, string sql2mqUpdateQuery, bool enabled)
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{
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this.controller = controller;
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this.name = name;
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this.direction = direction;
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this.queueName = queueName;
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this.mq2sqlInsertQuery = mq2sqlInsertQuery;
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this.sql2mqReadQuery = sql2mqReadQuery;
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this.sql2mqUpdateQuery = sql2mqUpdateQuery;
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this.enabled = enabled;
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torben |
1999 |
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statusData.lastrunOk = true;
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statusData.counter = 0;
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statusData.lastErrorMessage = statusData.lastOkTime = statusData.lastErrorTime = "";
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1986 |
addLogEntry( "Starting ... " );
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}
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~Transport()
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{
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addLogEntry("Stopping ... ");
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}
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torben |
1986 |
public void transportMessages()
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{
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if (enabled == false)
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return;
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Console.WriteLine(name + " -> transportMessages() ");
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statusData.lastrunOk = true;
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torben |
1986 |
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torben |
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int startCounter = statusData.counter;
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1986 |
if (direction == SQL2MQ)
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{
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transportSql2Mq();
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}
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else
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{
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transportMq2Sql();
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}
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1999 |
if (statusData.lastrunOk == true)
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torben |
1986 |
{
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torben |
1999 |
statusData.lastOkTime = getNowString();
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if (statusData.counter != startCounter)
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{
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//Vi har transporteret beskeder - så gemmer vi lige transfer tidspunktet
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statusData.lastTransferTime = getNowString();
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}
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132 |
torben |
1986 |
}
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else
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{
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torben |
1999 |
addLogEntry(statusData.lastErrorMessage);
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statusData.lastErrorTime = getNowString();
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137 |
torben |
1986 |
}
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}
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private void transportSql2Mq()
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{
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torben |
1999 |
string filename = getLogFilename(LogfileType.LogTransactions);
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143 |
torben |
1986 |
using (StreamWriter translog = new StreamWriter(filename, true) )
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try
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{
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//stage 1 connect to mq
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Hashtable connProps = getConnectionProperties();
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MQQueueManager mqMgr = new MQQueueManager(controller.mqQueueManager, connProps);
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int openOptions = MQC.MQOO_OUTPUT + MQC.MQOO_FAIL_IF_QUIESCING;
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150 |
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MQQueue out_queue = mqMgr.AccessQueue(queueName, openOptions);
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152 |
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153 |
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//stage 2 connect to mysql
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string mysqlString = buildMysqlConnString();
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MySqlConnection sqlConnection = new MySqlConnection(mysqlString);
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sqlConnection.Open();
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159 |
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//stage 3 move messages
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string readSql = "CALL " + sql2mqReadQuery + "()";
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MySqlCommand readCmd = new MySqlCommand(readSql, sqlConnection);
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MySqlDataReader dataReader = readCmd.ExecuteReader();
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while (dataReader.Read())
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{
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int id = dataReader.GetInt32(0);
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string msgString = dataReader.GetString(1);
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MQPutMessageOptions pmo = new MQPutMessageOptions(); // accept the defaults,
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// same as MQPMO_DEFAULT
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MQMessage msg = new MQMessage();
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msg.Format = MQC.MQFMT_STRING;
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msg.CharacterSet = 1252;
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msg.WriteString(msgString);
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out_queue.Put(msg, pmo);
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//now that the message has been put on queue mark it as such
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string updateSql = "CALL " + sql2mqUpdateQuery + "(" + id + ")";
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MySqlCommand updateCmd = new MySqlCommand(updateSql, sqlConnection);
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int numrows = updateCmd.ExecuteNonQuery();
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translog.WriteLine(getNowString() + " " + msgString + "\n");
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if (numrows != 1)
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{
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break;
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}
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191 |
torben |
1999 |
statusData.counter++;
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192 |
torben |
1986 |
}
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//stage 4: everything went smooth so clean up afterwards
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dataReader.Close();
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out_queue.Close();
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mqMgr.Close();
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sqlConnection.Close();
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}
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catch (Exception e)
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{
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203 |
torben |
1999 |
statusData.lastrunOk = false;
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statusData.lastErrorMessage = name + ".transportSql2Mq error: " + e.Message;
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Console.WriteLine(statusData.lastErrorMessage);
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EventLog.WriteEntry("DaoMqPump2", statusData.lastErrorMessage, EventLogEntryType.Warning);
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207 |
torben |
1986 |
}
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}
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private void transportMq2Sql()
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{
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212 |
torben |
1999 |
string filename = getLogFilename(LogfileType.LogTransactions);
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213 |
torben |
1986 |
using (StreamWriter translog = new StreamWriter(filename, true))
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214 |
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try
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{
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216 |
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//stage 1 connect to mq
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Hashtable connProps = getConnectionProperties();
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218 |
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MQQueueManager mqMgr = new MQQueueManager(controller.mqQueueManager, connProps);
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int openOptions = MQC.MQOO_INPUT_AS_Q_DEF + MQC.MQOO_FAIL_IF_QUIESCING;
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220 |
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MQQueue in_queue = mqMgr.AccessQueue(queueName, openOptions);
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//stage 2 connect to mysql
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string mysqlString = buildMysqlConnString();
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MySqlConnection sqlConnection = new MySqlConnection(mysqlString);
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sqlConnection.Open();
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//stage 3 move messages
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bool isContinue = true;
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while (isContinue)
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{
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MQMessage mqMsg = new MQMessage();
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MQGetMessageOptions mqGetMsgOpts = new MQGetMessageOptions();
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mqGetMsgOpts.Options = MQC.MQGMO_SYNCPOINT; //kræver en commit førend at den er fjernet fra køen
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try
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{
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in_queue.Get(mqMsg, mqGetMsgOpts);
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if (mqMsg.Format.CompareTo(MQC.MQFMT_STRING) == 0)
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{
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string msgString = mqMsg.ReadString(mqMsg.MessageLength);
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System.Console.WriteLine(msgString);
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string sql = "CALL " + mq2sqlInsertQuery + "( '" + MySqlHelper.EscapeString(msgString) + "' )"; //opbygger en CALL somestoredprocedure('msgString'); sql streng
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249 |
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MySqlCommand sqlcmd = new MySqlCommand(sql, sqlConnection);
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int numrows = sqlcmd.ExecuteNonQuery();
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253 |
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if (numrows == 1)
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{
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translog.WriteLine(getNowString() + " " + msgString + "\n");
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mqMgr.Commit();
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257 |
torben |
1999 |
statusData.counter++;
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258 |
torben |
1986 |
}
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259 |
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else
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260 |
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{
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261 |
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mqMgr.Backout();
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262 |
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isContinue = false;
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263 |
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}
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264 |
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265 |
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}
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266 |
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else
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{
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268 |
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System.Console.WriteLine("Non-text message");
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269 |
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}
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270 |
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}
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271 |
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catch (MQException mqe)
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272 |
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{
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273 |
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isContinue = false;
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274 |
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275 |
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// report reason, if any
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276 |
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if (mqe.Reason == MQC.MQRC_NO_MSG_AVAILABLE)
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277 |
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{
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278 |
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// special report for normal end
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279 |
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System.Console.WriteLine("no more messages");
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280 |
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}
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281 |
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else
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282 |
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{
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283 |
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// general report for other reasons
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284 |
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System.Console.WriteLine("MQQueue::Get ended with " + mqe.Message);;
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285 |
torben |
1999 |
statusData.lastrunOk = false;
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286 |
torben |
1986 |
}
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287 |
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288 |
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}
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289 |
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290 |
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291 |
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}
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292 |
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293 |
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//stage 4: everything went smooth so clean up afterwards
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294 |
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in_queue.Close();
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295 |
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mqMgr.Close();
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296 |
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sqlConnection.Close();
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297 |
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|
298 |
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|
299 |
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}
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300 |
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catch (Exception e)
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301 |
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{
|
302 |
torben |
1999 |
statusData.lastrunOk = false;
|
303 |
torben |
1986 |
|
304 |
torben |
1999 |
statusData.lastErrorMessage = name + ".transportMq2Sql error: " + e.Message;
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305 |
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Console.WriteLine(statusData.lastErrorMessage);
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306 |
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EventLog.WriteEntry("DaoMqPump2", statusData.lastErrorMessage, EventLogEntryType.Warning);
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307 |
torben |
1986 |
}
|
308 |
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}
|
309 |
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|
310 |
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private string buildMysqlConnString()
|
311 |
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{
|
312 |
|
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string connectionString = "";
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313 |
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|
314 |
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connectionString += "SERVER=" + controller.mysqlHost + ";";
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315 |
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//connectionString += "DATABASE=" + controller.mysqlHost + ";";
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316 |
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connectionString += "UID=" + controller.mysqlUser + ";";
|
317 |
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connectionString += "PASSWORD=" + controller.mysqlPassword + ";";
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318 |
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|
319 |
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return connectionString;
|
320 |
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}
|
321 |
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|
322 |
|
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private Hashtable getConnectionProperties()
|
323 |
|
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{
|
324 |
|
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Hashtable connProperties = new Hashtable();
|
325 |
|
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connProperties.Add(MQC.TRANSPORT_PROPERTY, MQC.TRANSPORT_MQSERIES_CLIENT);
|
326 |
|
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connProperties.Add(MQC.HOST_NAME_PROPERTY, controller.mqHost);
|
327 |
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connProperties.Add(MQC.CHANNEL_PROPERTY, controller.mqChannel); //WARNING: Hardcoded Channel Value !!!
|
328 |
|
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return connProperties;
|
329 |
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}
|
330 |
|
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|
331 |
torben |
1999 |
|
332 |
|
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|
333 |
|
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private string getLogFilename(LogfileType type)
|
334 |
torben |
1986 |
{
|
335 |
|
|
|
336 |
|
|
DateTime now = DateTime.Now;
|
337 |
|
|
string filename = controller.logDirectory + "\\";
|
338 |
torben |
1999 |
|
339 |
|
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switch (type)
|
340 |
|
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{
|
341 |
|
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case LogfileType.LogEvents:
|
342 |
|
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filename += "eventlog_";
|
343 |
|
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break;
|
344 |
|
|
|
345 |
|
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case LogfileType.LogTransactions:
|
346 |
|
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filename += "transactionlog_";
|
347 |
|
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break;
|
348 |
|
|
}
|
349 |
|
|
|
350 |
|
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|
351 |
torben |
1986 |
filename += "transactionlog_" + name + "_" + now.Year.ToString("D4") + now.Month.ToString("D2") + ".log";
|
352 |
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|
353 |
|
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return filename;
|
354 |
|
|
}
|
355 |
|
|
|
356 |
|
|
public string getNowString()
|
357 |
|
|
{
|
358 |
|
|
DateTime now = DateTime.Now;
|
359 |
|
|
|
360 |
|
|
return now.ToString("s");
|
361 |
|
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}
|
362 |
|
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|
363 |
|
|
private void addLogEntry(string msg)
|
364 |
|
|
{
|
365 |
|
|
msg = getNowString() + " " + msg;
|
366 |
|
|
lock (logEntries)
|
367 |
|
|
{
|
368 |
|
|
logEntries.AddFirst(msg);
|
369 |
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|
370 |
|
|
if (logEntries.Count > 20)
|
371 |
|
|
{
|
372 |
|
|
logEntries.RemoveLast();
|
373 |
torben |
1999 |
}
|
374 |
torben |
1986 |
}
|
375 |
torben |
1999 |
|
376 |
|
|
string filename = getLogFilename(LogfileType.LogEvents);
|
377 |
|
|
using (StreamWriter eventlog = new StreamWriter(filename, true))
|
378 |
|
|
{
|
379 |
|
|
eventlog.WriteLine(msg);
|
380 |
|
|
}
|
381 |
torben |
1986 |
}
|
382 |
|
|
|
383 |
|
|
public string[] getLog()
|
384 |
|
|
{
|
385 |
|
|
lock(logEntries)
|
386 |
|
|
{
|
387 |
|
|
List<string> tmpEntries = new List<string>();
|
388 |
|
|
foreach (string s in logEntries)
|
389 |
|
|
{
|
390 |
|
|
tmpEntries.Add(s);
|
391 |
|
|
}
|
392 |
|
|
return tmpEntries.ToArray();
|
393 |
|
|
}
|
394 |
|
|
}
|
395 |
|
|
|
396 |
|
|
}
|
397 |
|
|
}
|