private void RetryOnHCONNError(Action action)
{
int tries = MaxRetryOnHConnError;
while (true)
{
try
{
if (tries < MaxRetryOnHConnError)
{
IbmQueueManager.Connect();
}
action();
return;
}
catch (MQException ex)
{
if (ex.ReasonCode == MQC.MQRC_HCONN_ERROR ||
ex.ReasonCode == MQC.MQRC_CONNECTION_BROKEN)
{
tries--;
if (tries == 0)
{
throw;
}
}
else
{
throw;
}
}
}
}
internal MQQueue OpenQueueCore(string queueName, OpenQueueMode openMode)
{
Debug.Assert(!string.IsNullOrEmpty(queueName));
var openFlags = MQC.MQOO_FAIL_IF_QUIESCING;
switch (openMode)
{
case OpenQueueMode.ForBrowse:
openFlags = openFlags | MQC.MQOO_BROWSE;
break;
case OpenQueueMode.ForBrowseCo:
openFlags = openFlags | MQC.MQOO_CO_OP | MQC.MQOO_BROWSE;
break;
case OpenQueueMode.ForSet:
openFlags = openFlags | MQC.MQOO_SET;
break;
case OpenQueueMode.ForRead:
openFlags = openFlags | MQC.MQOO_INPUT_SHARED;
break;
case OpenQueueMode.ForWrite:
openFlags = openFlags | MQC.MQOO_OUTPUT;
break;
case OpenQueueMode.ForWriteSetAllContext:
openFlags = openFlags | MQC.MQOO_OUTPUT | MQC.MQOO_SET_ALL_CONTEXT;
break;
case OpenQueueMode.ForWriteSetIdentityContext:
openFlags = openFlags | MQC.MQOO_OUTPUT | MQC.MQOO_SET_IDENTITY_CONTEXT;
break;
case OpenQueueMode.ForWritePassAllContext:
openFlags = openFlags | MQC.MQOO_OUTPUT | MQC.MQOO_PASS_ALL_CONTEXT;
break;
case OpenQueueMode.ForWritePassIdentityContext:
openFlags = openFlags | MQC.MQOO_OUTPUT | MQC.MQOO_PASS_IDENTITY_CONTEXT;
break;
case OpenQueueMode.ForQuery:
openFlags = openFlags | MQC.MQOO_INQUIRE;
break;
case OpenQueueMode.ForBrowseAndRead:
openFlags = openFlags | MQC.MQOO_BROWSE | MQC.MQOO_INPUT_SHARED;
break;
}
return(RetryOnHCONNError(() =>
{
return IbmQueueManager.AccessQueue(queueName, openFlags);
}));
}
public void Rollback()
{
try
{
IbmQueueManager.Backout();
}
catch (MQException ibmEx)
{
throw ibmEx.ToMqException(AddExtraInfoToError);
}
}
public void Commit()
{
try
{
IbmQueueManager.Commit();
}
catch (MQException ibmEx)
{
throw ibmEx.ToMqException(AddExtraInfoToError);
}
}