public string ReadOneMensage()
{
MQQueueManager qMgr = new MQQueueManager(IbmConection.DbConection[5], _queueManagerProperties);
// Agora especifique a fila que queremos abrir e as opções de abertura
MQQueue fila = qMgr.AccessQueue(IbmConection.DbConection[6], MQC.MQQA_GET_ALLOWED + MQC.MQQA_GET_INHIBITED + MQC.MQOO_INPUT_AS_Q_DEF + MQC.MQOO_OUTPUT + MQC.MQOO_FAIL_IF_QUIESCING + MQC.MQOO_INQUIRE + MQC.MQOO_BROWSE);
MQMessage retrievedMessage = new MQMessage();
// Defina as opções de obtenção de mensagens
MQGetMessageOptions gmo = new MQGetMessageOptions(); // aceita os padrões
// mesmo que MQGMO_DEFAULT
string msgText = "";
if (fila.CurrentDepth > 0)
{
// Tire a mensagem da fila
fila.Get(retrievedMessage, gmo);
msgText = retrievedMessage.ReadUTF();
return(msgText);
}
else
{
return(msgText);
}
}
/// <summary>
/// Receive a reply message
/// </summary>
/// <returns></returns>
public String ReceiveMessage(byte[] messageId)
{
String retMsg = "";
MQMessage mqMsg = null;
try
{
mqMsg = new MQMessage();
mqMsg.CorrelationId = messageId;
MQGetMessageOptions gmo = new MQGetMessageOptions();
gmo.MatchOptions |= MQC.MQMO_MATCH_CORREL_ID;
gmo.WaitInterval = 3000;
gmo.Options |= MQC.MQGMO_WAIT;
replyQ.Get(mqMsg, gmo);
retMsg = mqMsg.ReadUTF();
}
catch (MQException ex)
{
if (ex.Reason == 2033)
{
retMsg = "";
}
else
{
throw ex;
}
}
return(retMsg);
}
private void PutAndGetMqSeries()
{
Hashtable connectionProperties = init(connectionType);
// Create a connection to the queue manager using the connection
// properties just defined
MQQueueManager qMgr = new MQQueueManager(qManager, connectionProperties);
// Set up the options on the queue we want to open
int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_OUTPUT;
// Now specify the queue that we want to open,and the open options
MQQueue system_default_local_queue =
qMgr.AccessQueue("SYSTEM.DEFAULT.LOCAL.QUEUE", openOptions);
// Define an IBM MQ message, writing some text in UTF format
MQMessage hello_world = new MQMessage();
hello_world.WriteUTF("Hello World!");
// Specify the message options
MQPutMessageOptions pmo = new MQPutMessageOptions(); // accept the defaults,
// same as MQPMO_DEFAULT
// Put the message on the queue
system_default_local_queue.Put(hello_world, pmo);
// Get the message back again
// First define an IBM MQ message buffer to receive the message
MQMessage retrievedMessage = new MQMessage();
retrievedMessage.MessageId = hello_world.MessageId;
// Set the get message options
MQGetMessageOptions gmo = new MQGetMessageOptions(); //accept the defaults
//same as MQGMO_DEFAULT
// Get the message off the queue
system_default_local_queue.Get(retrievedMessage, gmo);
// Prove we have the message by displaying the UTF message text
String msgText = retrievedMessage.ReadUTF();
Console.WriteLine("The message is: {0}", msgText);
// Close the queue
system_default_local_queue.Close();
// Disconnect from the queue manager
qMgr.Disconnect();
}
/// <summary>
/// Run method - a big while loop that handle requests from web role
/// </summary>
public override void Run()
{
// Diagnostics for debugging purpose
Trace.TraceInformation("mqSqlWorker-Run entry point called");
while (true)
{
// We sleep for a second before reading next request.
Thread.Sleep(1000);
// We are good to go as we all setup.
if (bConnInitialized)
{
//Get a message from RequestQ and Update database
TransactionScope ts = null;
try
{
// create a new transaction scope
ts = new TransactionScope();
// Get a message under a transaction
MQMessage mqMsg = new MQMessage();
MQGetMessageOptions gmo = new MQGetMessageOptions();
gmo.WaitInterval = MQC.MQWI_UNLIMITED;
gmo.Options |= MQC.MQGMO_WAIT | MQC.MQGMO_SYNCPOINT;
_mqRequestQueue.Get(mqMsg, gmo);
String msgData = mqMsg.ReadUTF();
Trace.TraceInformation("Incoming Data: " + msgData);
// The incoming data will be in two parts. One will be the command
// to execute and the second part will be data for the command. The
// : is the separator
String[] cmdPart = msgData.Split('=');
// Check if we have the request in correct format.
if (cmdPart.Length == 2)
{
// Yes, then split the first part of the command.
//String[] cmdPart = cmdWithData[0].Split('=');
// So check what command we have got
if (cmdPart[0].Equals(Constants.CMD_COMMAND_KEY) == true)
{
// Query College
if (cmdPart[1].Equals(Constants.CMD_QUERY_COLLEGE) == true)
{
// We need to send back query list
String jsonString = getRecordsFromDB();
sendReply(jsonString, mqMsg.MessageId);
Trace.TraceInformation("Reply for Query College sent" + ": " + jsonString);
}
else
{
// Unrecognized request. Just trace out.
Trace.TraceInformation("Unrecognized request");
}
}
}
ts.Complete();
}
catch (MQException mqex)
{
if (mqex.ReasonCode != MQC.MQRC_NO_MSG_AVAILABLE)
{
Trace.TraceInformation("Failed transaction: " + mqex.ToString());
}
else if (mqex.ReasonCode == MQC.MQRC_CONNECTION_BROKEN)
{
Trace.TraceInformation("Connection to queue manager broken. Reconnecting.");
bConnInitialized = false;
Initialize();
}
}
catch (System.Transactions.TransactionAbortedException tae)
{
Trace.TraceInformation("Failed transaction: " + tae);
}
catch (System.TimeoutException te)
{
Trace.TraceInformation("Failed transaction: " + te);
}
catch (Exception ex)
{
Trace.TraceInformation("Failed transaction: " + ex);
}
// Dispose Transaction scope
if (ts != null)
{
ts.Dispose();
}
}
else
{
// If we have failied initialize during start up, then try now.
Initialize();
}
}
}
