protected override void DistributeMSMQ(KissTransactionMode mode, bool remove,
string[] filter, LargeMessage largeMessage)
{
List <MessageQueue> allQueues = null;
MessageQueueTransaction msmqTransaction = null;
var ttrqPo = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.PO_TTRQ));
var ttbrPo = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.PO_TTBR));
try
{
largeMessage.EncodeExtension(new[] { _id, DateTime.Now.ToBinary().ToString(), remove.ToString() });
allQueues = new Neighborhood(_sql, FORMAT_PO_POSTFIX).GetAllQueues(filter);
if (allQueues.Count > 0)
{
if (mode == KissTransactionMode.MSMQ)
{
msmqTransaction = new MessageQueueTransaction();
msmqTransaction.Begin();
}
foreach (var queue in allQueues)
{
largeMessage.Send(queue, msmqTransaction, ttrqPo, ttbrPo);
}
if (mode == KissTransactionMode.MSMQ)
{
msmqTransaction.Commit();
}
}
}
catch
{
if (msmqTransaction != null && mode == KissTransactionMode.MSMQ)
{
msmqTransaction.Abort();
}
throw;
}
finally
{
if (msmqTransaction != null)
{
msmqTransaction.Dispose();
}
if (allQueues != null)
{
foreach (var queue in allQueues)
{
queue.Dispose();
}
}
}
}
public void ProcessInstructions(KissTransactionMode mode)
{
string path,
branchId;
byte[] sdData;
XPathNavigator instruction;
StandingData standingData;
var filter = new List <string>();
var neighborhood = new Neighborhood(_sql);
var neighborhoodClients = neighborhood.GetAllClients().ToArray();
foreach (var id in StandingData.RetrieveInstructionAll(_sql))
{
using (var sr = new StringReader(StandingData.RetrieveInstruction(_sql, long.Parse(id))))
{
instruction = new XPathDocument(sr).CreateNavigator();
path = instruction.SelectSingleNode("//StandingData/@Path").Value;
branchId = instruction.SelectSingleNode("//StandingData/@BranchId").Value;
Array.Sort(neighborhoodClients);
foreach (XPathNavigator clientId in instruction.Select("//Client/@Id"))
{
if (Array.BinarySearch(neighborhoodClients, clientId.Value) >= 0)
{
filter.Add(clientId.Value);
}
}
if (branchId == neighborhood.GetLocalBranch() && filter.Count > 0)
{
sdData = DownloadStandingData(path);
standingData = new StandingData(_sql, long.Parse(id), _msmqCapacity, sdData);
standingData.Distribute(mode, filter.ToArray());
}
}
}
}
public void RecoverBundles()
{
long id,
maxId = ID_NOT_RECEIVED_AT_BACKEND;
bool responseAvailable,
localRecoveryDone,
remoteRecoveryDone;
DateTime?selfLastUpdate;
MessageQueue[] controlQueuesOpen,
controlQueues = null;
MessageQueue recoveryQueue = null;
var ttrqBundleControl = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.BUNDLE_CONTROL_TTRQ));
var ttbrBundleControl = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.BUNDLE_CONTROL_TTBR));
try
{
controlQueues = new Neighborhood(_sql, FORMAT_BUNDLE_CONTROL_POSTFIX).GetOthersQueues().ToArray();
controlQueuesOpen = new MessageQueue[controlQueues.Length];
controlQueues.CopyTo(controlQueuesOpen, 0);
recoveryQueue = new Neighborhood(_sql, FORMAT_BUNDLE_RECOVERY_POSTFIX).GetLocalQueue();
localRecoveryDone = !(controlQueues.Length > 0);
while (!localRecoveryDone)
{
for (var i = 0; i < controlQueues.Length; i++)
{
if (controlQueuesOpen[i] == null)
{
continue;
}
using (var msg =
new Message(_clientId)
{
ResponseQueue = recoveryQueue,
Formatter = controlQueues[i].Formatter,
TimeToReachQueue = ttrqBundleControl,
TimeToBeReceived = ttbrBundleControl,
Extension =
LargeMessage.ToMessageExtension(Guid.NewGuid())
})
{
responseAvailable = false;
controlQueues[i].Send(msg, MessageQueueTransactionType.Single);
for (var j = 0; j < MAX_RETRY_BUNDLE_RECOVERY && !responseAvailable; j++)
{
Thread.Sleep(SLEEP_BUNDLE_RECOVERY);
responseAvailable = LargeMessage.IsCorrelationAvailable(recoveryQueue, msg.Id);
}
if (responseAvailable)
{
using (var response = recoveryQueue.
ReceiveByCorrelationId(msg.Id, MessageQueueTransactionType.Single))
{
id = (long)response.Body;
if (id > maxId)
{
maxId = id;
}
}
controlQueuesOpen[i] = null;
}
}
}
localRecoveryDone = Array.TrueForAll(controlQueuesOpen, q => q == null);
}
RemoveAllBundlesAndStages();
do
{
QueryStageList(true);
WaitForSelfStage(true, null, out id, out selfLastUpdate);
remoteRecoveryDone = id != ID_NO_ANSWER_FROM_BACKEND;
if (!remoteRecoveryDone)
{
Thread.Sleep(SLEEP_BUNDLE_RECOVERY);
}
} while (!remoteRecoveryDone);
if (id > maxId)
{
maxId = id;
}
if (maxId != ID_NOT_RECEIVED_AT_BACKEND)
{
new Bundle(_sql, maxId, _clientId, _msmqCapacity).Recover();
}
}
finally
{
if (recoveryQueue != null)
{
recoveryQueue.Dispose();
}
if (controlQueues != null)
{
foreach (var queue in controlQueues)
{
queue.Dispose();
}
}
}
}
public void RecoverPersistentObjects()
{
bool localRecoveryDone;
List <MessageQueue> controlQueues = null;
MessageQueue recoveryQueue = null;
var poListener = new PersistentObjectListener(_sql, _msmqCapacity);
var ttrqPoControl = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.PO_CONTROL_TTRQ));
var ttbrPoControl = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.PO_CONTROL_TTBR));
try
{
controlQueues = new Neighborhood(_sql, FORMAT_PO_CONTROL_POSTFIX).GetOthersQueues();
recoveryQueue = new Neighborhood(_sql, FORMAT_PO_RECOVERY_POSTFIX).GetLocalQueue();
localRecoveryDone = !(controlQueues.Count > 0);
if (localRecoveryDone)
{
poListener.Recover(recoveryQueue, string.Empty);
}
while (!localRecoveryDone)
{
foreach (var controlQueue in controlQueues)
{
using (var msg = new Message {
ResponseQueue = recoveryQueue,
Formatter = controlQueue.Formatter,
TimeToReachQueue = ttrqPoControl,
TimeToBeReceived = ttbrPoControl,
Extension = LargeMessage.ToMessageExtension(Guid.NewGuid())
})
{
controlQueue.Send(msg, MessageQueueTransactionType.Single);
for (var i = 0; i < MAX_RETRY_PO_RECOVERY && !localRecoveryDone; i++)
{
Thread.Sleep(SLEEP_PO_RECOVERY);
localRecoveryDone = LargeMessage.IsCorrelationAvailable(recoveryQueue, msg.Id);
}
if (localRecoveryDone)
{
poListener.Recover(recoveryQueue, msg.Id);
break;
}
}
}
}
}
finally
{
if (recoveryQueue != null)
{
recoveryQueue.Dispose();
}
if (controlQueues != null)
{
foreach (var queue in controlQueues)
{
queue.Dispose();
}
}
}
}
protected override void DistributeMSMQ(KissTransactionMode mode, bool remove,
string[] filter, LargeMessage largeMessage)
{
object sequenceNumber;
string bundleSentChar;
DateTime bundleSent;
MessageQueueTransaction msmqTransaction = null;
List <MessageQueue> othersQueues = null;
var ttrqBundle = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.BUNDLE_TTRQ));
var ttbrBundle = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.BUNDLE_TTBR));
var dialogLifetime = Kiss.GetTimeout(KissTimeout.BUNDLE_SSSB);
var dtctoBundle = TimeSpan.FromSeconds(Kiss.GetTimeout(KissTimeout.BUNDLE_DTC_DISTRIBUTION));
if (remove)
{
throw new NotSupportedException("remove");
}
try
{
othersQueues = new Neighborhood(_sql, FORMAT_BUNDLE_POSTFIX).GetOthersQueues(filter);
using (var scope = new TransactionScope(TransactionScopeOption.Required, dtctoBundle))
{
bundleSent = DateTime.Now;
bundleSentChar = bundleSent.ToString(FORMAT_BUNDLE_SENT, DateTimeFormatInfo.InvariantInfo);
Process(PROCEDURE_BUNDLE_PROCESSING,
new[] { new SqlParameter("@client_id", _clientId),
new SqlParameter("@bundle_sent", bundleSent),
new SqlParameter("@bundle_sent_char", bundleSentChar),
new SqlParameter("@dialog_lifetime", dialogLifetime) },
"@bundle", out sequenceNumber);
largeMessage.EncodeExtension(new[] { sequenceNumber.ToString(),
_clientId, bundleSent.ToBinary().ToString() });
if (mode == KissTransactionMode.DTC)
{
foreach (var queue in othersQueues)
{
largeMessage.Send(queue, null, ttrqBundle, ttbrBundle);
}
}
else
{
using (var suppress = new TransactionScope(TransactionScopeOption.Suppress))
{
msmqTransaction = new MessageQueueTransaction();
msmqTransaction.Begin();
foreach (var queue in othersQueues)
{
largeMessage.Send(queue, msmqTransaction, ttrqBundle, ttbrBundle);
}
suppress.Complete();
}
}
scope.Complete();
}
_id = (long)sequenceNumber;
SetOutputHeader(string.Format(FORMAT_TO_STRING, _id, _clientId));
if (mode != KissTransactionMode.DTC)
{
msmqTransaction.Commit();
}
}
catch
{
if (msmqTransaction != null && mode == KissTransactionMode.MSMQ)
{
msmqTransaction.Abort();
}
throw;
}
finally
{
if (msmqTransaction != null)
{
msmqTransaction.Dispose();
}
if (othersQueues != null)
{
foreach (var queue in othersQueues)
{
queue.Dispose();
}
}
}
}