DaoMqPump2/DaoMqPump2/Transport.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

using System.Diagnostics;

using IBM.WMQ;
using MySql.Data.MySqlClient;

namespace DaoMqPump2
{
    public class Transport
    {

        enum LogfileType {
            LogTransactions,
            LogEvents
        }

        public static string SQL2MQ = "sql2mq";
        public static string MQ2SQL = "mq2sql";

        //private bool enabled;        

        TransportController controller;

        StatusData statusData = new StatusData();

        public string name { get; private set; }
        public string direction { get; private set; }
        public string queueName { get; private set; }
        public string mq2sqlInsertQuery { get; private set; }
        public string sql2mqReadQuery { get; private set; }
        public string sql2mqUpdateQuery { get; private set; }

        //public bool lastrunOk { get; private set; }
        //public string lastErrorMessage { get; private set; }

        //public string lastOkTime { get; private set; }
        //public string lastErrorTime { get; private set; }
        //public string lastTransferTime { get; private set; }

        //public int counter { get; private set; }

        public StatusData TransportStatusData
        {
            get
            {
                return this.statusData;
            }
        }


        public bool Enabled
        {
            get {
                return statusData.transportEnabled;
            }
            set
            {
                statusData.transportEnabled = value;
                if (value == true)
                {
                    this.addLogEntry("Transport enabled");
                }
                else
                {
                    this.addLogEntry("Transport disabled");
                }
            }
        }


        private LinkedList<string> logEntries = new LinkedList<string>();


        public Transport(TransportController controller, string name, string direction, string queueName, string mq2sqlInsertQuery, string sql2mqReadQuery, string sql2mqUpdateQuery, bool enabled)
        {
            this.controller = controller;
            this.name = name;
            this.direction = direction;
            this.queueName = queueName;
            this.mq2sqlInsertQuery = mq2sqlInsertQuery;
            this.sql2mqReadQuery = sql2mqReadQuery;
            this.sql2mqUpdateQuery = sql2mqUpdateQuery;

            statusData.transportEnabled = enabled;


            statusData.lastrunOk = true;
            statusData.counter = 0;
            statusData.lastErrorMessage = statusData.lastOkTime = statusData.lastErrorTime = "";

            addLogEntry( "Starting ... " );
        }

        ~Transport()
        {
            addLogEntry("Stopping ... ");
        }


        public void transportMessages()
        {
            if (statusData.transportEnabled == false)
                return;

            Console.WriteLine(name + " -> transportMessages() ");
            statusData.lastrunOk = true;

            int startCounter = statusData.counter;

            if (direction == SQL2MQ)
            {
                transportSql2Mq();
            }
            else
            {
                transportMq2Sql();
            }

            if (statusData.lastrunOk == true)
            {
                statusData.lastOkTime = getNowString();

                if (statusData.counter != startCounter) 
                {
                    //Vi har transporteret beskeder - så gemmer vi lige transfer tidspunktet
                    statusData.lastTransferTime = getNowString();
                }
            }
            else
            {
                addLogEntry(statusData.lastErrorMessage);
                statusData.lastErrorTime = getNowString();
            }
        }

        private void transportSql2Mq()
        {
            string filename = getLogFilename(LogfileType.LogTransactions);
            using (StreamWriter translog = new StreamWriter(filename, true) )
            try
            {
                //stage 1 connect to mq
                Hashtable connProps = getConnectionProperties();
                MQQueueManager mqMgr = new MQQueueManager(controller.mqQueueManager, connProps);
                int openOptions = MQC.MQOO_OUTPUT + MQC.MQOO_FAIL_IF_QUIESCING;

                MQQueue out_queue = mqMgr.AccessQueue(queueName, openOptions);


                //stage 2 connect to mysql
                string mysqlString = buildMysqlConnString();
                MySqlConnection sqlConnection = new MySqlConnection(mysqlString);
                sqlConnection.Open();


                //stage 3 move messages
                string readSql = "CALL " + sql2mqReadQuery + "()";
                MySqlCommand readCmd = new MySqlCommand(readSql, sqlConnection);
                MySqlDataReader dataReader = readCmd.ExecuteReader();
                while (dataReader.Read())
                {
                    int id = dataReader.GetInt32(0);
                    string msgString = dataReader.GetString(1);

                    MQPutMessageOptions pmo = new MQPutMessageOptions(); // accept the defaults,
                    // same as MQPMO_DEFAULT

                    MQMessage msg = new MQMessage();
                    msg.Format = MQC.MQFMT_STRING;
                    msg.CharacterSet = 1252; 
                    msg.WriteString(msgString);

                    out_queue.Put(msg, pmo);

                    //now that the message has been put on queue mark it as such

                    string updateSql = "CALL " + sql2mqUpdateQuery + "(" + id + ")";
                    MySqlCommand updateCmd = new MySqlCommand(updateSql, sqlConnection);
                    int numrows = updateCmd.ExecuteNonQuery();

                    translog.WriteLine(getNowString() + " " + msgString + "\n");

                    if (numrows != 1)
                    {
                        break;
                    }
                    statusData.counter++;
                }
                

                //stage 4: everything went smooth so clean up afterwards
                dataReader.Close();
                out_queue.Close();
                mqMgr.Close();
                sqlConnection.Close();
            }
            catch (Exception e)
            {
                statusData.lastrunOk = false;
                statusData.lastErrorMessage = name + ".transportSql2Mq error: " + e.Message;
                Console.WriteLine(statusData.lastErrorMessage);
                EventLog.WriteEntry("DaoMqPump2", statusData.lastErrorMessage, EventLogEntryType.Warning);
            }
        }

        private void transportMq2Sql()
        {
            string filename = getLogFilename(LogfileType.LogTransactions);
            using (StreamWriter translog = new StreamWriter(filename, true))
            try
            {
                //stage 1 connect to mq
                Hashtable connProps = getConnectionProperties();
                MQQueueManager mqMgr = new MQQueueManager(controller.mqQueueManager, connProps);
                int openOptions = MQC.MQOO_INPUT_AS_Q_DEF + MQC.MQOO_FAIL_IF_QUIESCING;

                MQQueue in_queue = mqMgr.AccessQueue(queueName, openOptions);


                //stage 2 connect to mysql
                string mysqlString = buildMysqlConnString();
                MySqlConnection sqlConnection = new MySqlConnection(mysqlString);
                sqlConnection.Open();


                //stage 3 move messages
                bool isContinue = true;
                while (isContinue)
                {
                    
                    MQMessage mqMsg = new MQMessage();
                    MQGetMessageOptions mqGetMsgOpts = new MQGetMessageOptions();

                    mqGetMsgOpts.Options = MQC.MQGMO_SYNCPOINT; //kræver en commit førend at den er fjernet fra køen

                    try
                    {
                        in_queue.Get(mqMsg, mqGetMsgOpts);
                        if (mqMsg.Format.CompareTo(MQC.MQFMT_STRING) == 0)
                        {                            
                            string msgString = mqMsg.ReadString(mqMsg.MessageLength);
                            System.Console.WriteLine(msgString);

                            string sql = "CALL " + mq2sqlInsertQuery + "( '" + MySqlHelper.EscapeString(msgString) + "' )"; //opbygger en CALL somestoredprocedure('msgString'); sql streng

                            MySqlCommand sqlcmd = new MySqlCommand(sql, sqlConnection);
                            int numrows = sqlcmd.ExecuteNonQuery();

                            if (numrows == 1)
                            {
                                translog.WriteLine(getNowString() + " " + msgString + "\n");
                                mqMgr.Commit();
                                statusData.counter++;
                            }
                            else
                            {
                                mqMgr.Backout();
                                isContinue = false;
                            }                            

                        }
                        else
                        {
                            System.Console.WriteLine("Non-text message");
                        }
                    }
                    catch (MQException mqe)
                    {
                        isContinue = false;

                        // report reason, if any
                        if (mqe.Reason == MQC.MQRC_NO_MSG_AVAILABLE)
                        {
                            // special report for normal end
                            System.Console.WriteLine("no more messages");
                        }
                        else
                        {
                            // general report for other reasons
                            System.Console.WriteLine("MQQueue::Get ended with " + mqe.Message);;
                            statusData.lastrunOk = false;
                        }

                    }


                }

                //stage 4: everything went smooth so clean up afterwards
                in_queue.Close();
                mqMgr.Close();
                sqlConnection.Close();


            }
            catch (Exception e)
            {
                statusData.lastrunOk = false;

                statusData.lastErrorMessage = name + ".transportMq2Sql error: " + e.Message;
                Console.WriteLine(statusData.lastErrorMessage);
                EventLog.WriteEntry("DaoMqPump2", statusData.lastErrorMessage, EventLogEntryType.Warning);
            }
        }

        private string buildMysqlConnString()
        {
            string connectionString = "";

            connectionString += "SERVER=" + controller.mysqlHost + ";";
            //connectionString += "DATABASE=" + controller.mysqlHost + ";";
            connectionString += "UID=" + controller.mysqlUser + ";";
            connectionString += "PASSWORD=" + controller.mysqlPassword + ";";

            return connectionString;
        }

        private Hashtable getConnectionProperties()
        {
            Hashtable connProperties = new Hashtable();
            connProperties.Add(MQC.TRANSPORT_PROPERTY, MQC.TRANSPORT_MQSERIES_CLIENT);
            connProperties.Add(MQC.HOST_NAME_PROPERTY, controller.mqHost);
            connProperties.Add(MQC.CHANNEL_PROPERTY, controller.mqChannel); //WARNING: Hardcoded Channel Value !!!
            return connProperties;
        }


        private string getLogFilename(LogfileType type)
        {

            DateTime now = DateTime.Now;
            string filename = controller.logDirectory + "\\";

            switch (type)
            {
                case LogfileType.LogEvents:
                    filename += "eventlog_";
                    break;

                case LogfileType.LogTransactions:
                    filename += "transactionlog_";
                    break;
            }


            filename += "transactionlog_" + name + "_" + now.Year.ToString("D4") + now.Month.ToString("D2") + ".log";

            return filename;
        }

        public string getNowString()
        {
            DateTime now = DateTime.Now;

            return now.ToString("s");
        }

        private void addLogEntry(string msg)
        {
            msg = getNowString() + " " + msg;
            lock (logEntries)
            {
                logEntries.AddFirst(msg);

                if (logEntries.Count > 20)
                {
                    logEntries.RemoveLast();
                }                
            }

            string filename = getLogFilename(LogfileType.LogEvents);
            using (StreamWriter eventlog = new StreamWriter(filename, true))
            {
                eventlog.WriteLine(msg);
            }
        }

        public string[] getLog()
        {
            lock(logEntries) 
            {
                List<string> tmpEntries = new List<string>();
                foreach (string s in logEntries)
                {
                    tmpEntries.Add(s);
                }
                return tmpEntries.ToArray();
            }
        }

    }
}
1	torben	1986	using System;
2			using System.Collections;
3			using System.Collections.Generic;
4			using System.IO;
5
6			using System.Diagnostics;
7
8			using IBM.WMQ;
9			using MySql.Data.MySqlClient;
10
11			namespace DaoMqPump2
12			{
13			public class Transport
14			{
15	torben	1999
16			enum LogfileType {
17			LogTransactions,
18			LogEvents
19			}
20
21	torben	1986	public static string SQL2MQ = "sql2mq";
22			public static string MQ2SQL = "mq2sql";
23
24	torben	2001	//private bool enabled;
25	torben	1986
26			TransportController controller;
27
28	torben	1999	StatusData statusData = new StatusData();
29
30	torben	1986	public string name { get; private set; }
31			public string direction { get; private set; }
32			public string queueName { get; private set; }
33			public string mq2sqlInsertQuery { get; private set; }
34			public string sql2mqReadQuery { get; private set; }
35			public string sql2mqUpdateQuery { get; private set; }
36
37	torben	1999	//public bool lastrunOk { get; private set; }
38			//public string lastErrorMessage { get; private set; }
39	torben	1986
40	torben	1999	//public string lastOkTime { get; private set; }
41			//public string lastErrorTime { get; private set; }
42			//public string lastTransferTime { get; private set; }
43	torben	1986
44	torben	1999	//public int counter { get; private set; }
45	torben	1986
46	torben	1999	public StatusData TransportStatusData
47			{
48			get
49			{
50			return this.statusData;
51			}
52			}
53
54
55			public bool Enabled
56			{
57			get {
58	torben	2001	return statusData.transportEnabled;
59	torben	1999	}
60			set
61			{
62	torben	2001	statusData.transportEnabled = value;
63	torben	1999	if (value == true)
64			{
65			this.addLogEntry("Transport enabled");
66			}
67			else
68			{
69			this.addLogEntry("Transport disabled");
70			}
71			}
72			}
73
74
75	torben	1986	private LinkedList<string> logEntries = new LinkedList<string>();
76
77
78			public Transport(TransportController controller, string name, string direction, string queueName, string mq2sqlInsertQuery, string sql2mqReadQuery, string sql2mqUpdateQuery, bool enabled)
79			{
80			this.controller = controller;
81			this.name = name;
82			this.direction = direction;
83			this.queueName = queueName;
84			this.mq2sqlInsertQuery = mq2sqlInsertQuery;
85			this.sql2mqReadQuery = sql2mqReadQuery;
86			this.sql2mqUpdateQuery = sql2mqUpdateQuery;
87
88	torben	2001	statusData.transportEnabled = enabled;
89	torben	1986
90	torben	1999
91			statusData.lastrunOk = true;
92			statusData.counter = 0;
93			statusData.lastErrorMessage = statusData.lastOkTime = statusData.lastErrorTime = "";
94
95	torben	1986	addLogEntry( "Starting ... " );
96			}
97
98	torben	1999	~Transport()
99			{
100			addLogEntry("Stopping ... ");
101			}
102
103
104	torben	1986	public void transportMessages()
105			{
106	torben	2001	if (statusData.transportEnabled == false)
107	torben	1986	return;
108
109			Console.WriteLine(name + " -> transportMessages() ");
110	torben	1999	statusData.lastrunOk = true;
111	torben	1986
112	torben	1999	int startCounter = statusData.counter;
113
114	torben	1986	if (direction == SQL2MQ)
115			{
116			transportSql2Mq();
117			}
118			else
119			{
120			transportMq2Sql();
121			}
122
123	torben	1999	if (statusData.lastrunOk == true)
124	torben	1986	{
125	torben	1999	statusData.lastOkTime = getNowString();
126
127			if (statusData.counter != startCounter)
128			{
129			//Vi har transporteret beskeder - så gemmer vi lige transfer tidspunktet
130			statusData.lastTransferTime = getNowString();
131			}
132	torben	1986	}
133			else
134			{
135	torben	1999	addLogEntry(statusData.lastErrorMessage);
136			statusData.lastErrorTime = getNowString();
137	torben	1986	}
138			}
139
140			private void transportSql2Mq()
141			{
142	torben	1999	string filename = getLogFilename(LogfileType.LogTransactions);
143	torben	1986	using (StreamWriter translog = new StreamWriter(filename, true) )
144			try
145			{
146			//stage 1 connect to mq
147			Hashtable connProps = getConnectionProperties();
148			MQQueueManager mqMgr = new MQQueueManager(controller.mqQueueManager, connProps);
149			int openOptions = MQC.MQOO_OUTPUT + MQC.MQOO_FAIL_IF_QUIESCING;
150
151			MQQueue out_queue = mqMgr.AccessQueue(queueName, openOptions);
152
153
154			//stage 2 connect to mysql
155			string mysqlString = buildMysqlConnString();
156			MySqlConnection sqlConnection = new MySqlConnection(mysqlString);
157			sqlConnection.Open();
158
159
160			//stage 3 move messages
161			string readSql = "CALL " + sql2mqReadQuery + "()";
162			MySqlCommand readCmd = new MySqlCommand(readSql, sqlConnection);
163			MySqlDataReader dataReader = readCmd.ExecuteReader();
164			while (dataReader.Read())
165			{
166			int id = dataReader.GetInt32(0);
167			string msgString = dataReader.GetString(1);
168
169			MQPutMessageOptions pmo = new MQPutMessageOptions(); // accept the defaults,
170			// same as MQPMO_DEFAULT
171
172			MQMessage msg = new MQMessage();
173			msg.Format = MQC.MQFMT_STRING;
174			msg.CharacterSet = 1252;
175			msg.WriteString(msgString);
176
177			out_queue.Put(msg, pmo);
178
179			//now that the message has been put on queue mark it as such
180
181			string updateSql = "CALL " + sql2mqUpdateQuery + "(" + id + ")";
182			MySqlCommand updateCmd = new MySqlCommand(updateSql, sqlConnection);
183			int numrows = updateCmd.ExecuteNonQuery();
184
185			translog.WriteLine(getNowString() + " " + msgString + "\n");
186
187			if (numrows != 1)
188			{
189			break;
190			}
191	torben	1999	statusData.counter++;
192	torben	1986	}
193
194
195			//stage 4: everything went smooth so clean up afterwards
196			dataReader.Close();
197			out_queue.Close();
198			mqMgr.Close();
199			sqlConnection.Close();
200			}
201			catch (Exception e)
202			{
203	torben	1999	statusData.lastrunOk = false;
204			statusData.lastErrorMessage = name + ".transportSql2Mq error: " + e.Message;
205			Console.WriteLine(statusData.lastErrorMessage);
206			EventLog.WriteEntry("DaoMqPump2", statusData.lastErrorMessage, EventLogEntryType.Warning);
207	torben	1986	}
208			}
209
210			private void transportMq2Sql()
211			{
212	torben	1999	string filename = getLogFilename(LogfileType.LogTransactions);
213	torben	1986	using (StreamWriter translog = new StreamWriter(filename, true))
214			try
215			{
216			//stage 1 connect to mq
217			Hashtable connProps = getConnectionProperties();
218			MQQueueManager mqMgr = new MQQueueManager(controller.mqQueueManager, connProps);
219			int openOptions = MQC.MQOO_INPUT_AS_Q_DEF + MQC.MQOO_FAIL_IF_QUIESCING;
220
221			MQQueue in_queue = mqMgr.AccessQueue(queueName, openOptions);
222
223
224			//stage 2 connect to mysql
225			string mysqlString = buildMysqlConnString();
226			MySqlConnection sqlConnection = new MySqlConnection(mysqlString);
227			sqlConnection.Open();
228
229
230			//stage 3 move messages
231			bool isContinue = true;
232			while (isContinue)
233			{
234
235			MQMessage mqMsg = new MQMessage();
236			MQGetMessageOptions mqGetMsgOpts = new MQGetMessageOptions();
237
238			mqGetMsgOpts.Options = MQC.MQGMO_SYNCPOINT; //kræver en commit førend at den er fjernet fra køen
239
240			try
241			{
242			in_queue.Get(mqMsg, mqGetMsgOpts);
243			if (mqMsg.Format.CompareTo(MQC.MQFMT_STRING) == 0)
244			{
245			string msgString = mqMsg.ReadString(mqMsg.MessageLength);
246			System.Console.WriteLine(msgString);
247
248			string sql = "CALL " + mq2sqlInsertQuery + "( '" + MySqlHelper.EscapeString(msgString) + "' )"; //opbygger en CALL somestoredprocedure('msgString'); sql streng
249
250			MySqlCommand sqlcmd = new MySqlCommand(sql, sqlConnection);
251			int numrows = sqlcmd.ExecuteNonQuery();
252
253			if (numrows == 1)
254			{
255			translog.WriteLine(getNowString() + " " + msgString + "\n");
256			mqMgr.Commit();
257	torben	1999	statusData.counter++;
258	torben	1986	}
259			else
260			{
261			mqMgr.Backout();
262			isContinue = false;
263			}
264
265			}
266			else
267			{
268			System.Console.WriteLine("Non-text message");
269			}
270			}
271			catch (MQException mqe)
272			{
273			isContinue = false;
274
275			// report reason, if any
276			if (mqe.Reason == MQC.MQRC_NO_MSG_AVAILABLE)
277			{
278			// special report for normal end
279			System.Console.WriteLine("no more messages");
280			}
281			else
282			{
283			// general report for other reasons
284			System.Console.WriteLine("MQQueue::Get ended with " + mqe.Message);;
285	torben	1999	statusData.lastrunOk = false;
286	torben	1986	}
287
288			}
289
290
291			}
292
293			//stage 4: everything went smooth so clean up afterwards
294			in_queue.Close();
295			mqMgr.Close();
296			sqlConnection.Close();
297
298
299			}
300			catch (Exception e)
301			{
302	torben	1999	statusData.lastrunOk = false;
303	torben	1986
304	torben	1999	statusData.lastErrorMessage = name + ".transportMq2Sql error: " + e.Message;
305			Console.WriteLine(statusData.lastErrorMessage);
306			EventLog.WriteEntry("DaoMqPump2", statusData.lastErrorMessage, EventLogEntryType.Warning);
307	torben	1986	}
308			}
309
310			private string buildMysqlConnString()
311			{
312			string connectionString = "";
313
314			connectionString += "SERVER=" + controller.mysqlHost + ";";
315			//connectionString += "DATABASE=" + controller.mysqlHost + ";";
316			connectionString += "UID=" + controller.mysqlUser + ";";
317			connectionString += "PASSWORD=" + controller.mysqlPassword + ";";
318
319			return connectionString;
320			}
321
322			private Hashtable getConnectionProperties()
323			{
324			Hashtable connProperties = new Hashtable();
325			connProperties.Add(MQC.TRANSPORT_PROPERTY, MQC.TRANSPORT_MQSERIES_CLIENT);
326			connProperties.Add(MQC.HOST_NAME_PROPERTY, controller.mqHost);
327			connProperties.Add(MQC.CHANNEL_PROPERTY, controller.mqChannel); //WARNING: Hardcoded Channel Value !!!
328			return connProperties;
329			}
330
331	torben	1999
332
333			private string getLogFilename(LogfileType type)
334	torben	1986	{
335
336			DateTime now = DateTime.Now;
337			string filename = controller.logDirectory + "\\";
338	torben	1999
339			switch (type)
340			{
341			case LogfileType.LogEvents:
342			filename += "eventlog_";
343			break;
344
345			case LogfileType.LogTransactions:
346			filename += "transactionlog_";
347			break;
348			}
349
350
351	torben	1986	filename += "transactionlog_" + name + "_" + now.Year.ToString("D4") + now.Month.ToString("D2") + ".log";
352
353			return filename;
354			}
355
356			public string getNowString()
357			{
358			DateTime now = DateTime.Now;
359
360			return now.ToString("s");
361			}
362
363			private void addLogEntry(string msg)
364			{
365			msg = getNowString() + " " + msg;
366			lock (logEntries)
367			{
368			logEntries.AddFirst(msg);
369
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			}