void IIngestedRepos.SaveTestData(InProcessFeedMsg msg)
{
TestDataEntity msgEntity = null;
string moreExInfo = string.Empty;
try
{
msgEntity = MakeTestDataEntity(msg);
// TODO 5-23-15 Failsafe requires using Transient Fault application block and
// maybe circuit breaker pattern on all requests for cloud services. Wrap below
// code in that stuff as an example.
AzureStorageHelpers.AzTableStorageInsert(ConstantsNEnums.TestMessageTableName, msgEntity);
}
catch (StorageException ex)
{
if (ex.Message.Contains("409"))
{
moreExInfo = "\n HTTP 409 error code: RowKey already exists in table on insert.";
}
string displayMsg = string.Format("\n{0}.SaveTestData():", m_ThisName);
ConsoleNTraceHelpers.DisplayExToConsoleNTrace(displayMsg, ex);
ConsoleNTraceHelpers.DisplayInfoToConsoleNTrace(moreExInfo);
throw;
}
catch (Exception ex)
{
string displayMsg = string.Format("\n{0}.SaveTestData():", m_ThisName);
ConsoleNTraceHelpers.DisplayExToConsoleNTrace(displayMsg, ex);
throw;
}
}
public static void Main(string[] args)
{
Console.Title = m_ThisName;
Console.WriteLine("{0}.Main(): Press <ENTER> to enqueue one", m_ThisName);
Console.WriteLine(" test message to SB queue '{0}' via WCF NetMessagingBinding",
ConstsNEnums.IngestionQueueName);
InitSourceIds(args);
while (true)
{
string userInput = ConsoleNTraceHelpers.PauseTillUserPressesEnterExitOnX();
if (userInput.ToLower() == "x")
{
break;
}
try
{
// Assume the queue exists, having been previously provisioned in Azure Portal.
Console.WriteLine("{0}.Main(): Enqueueing test message..", m_ThisName);
TestMessage msg = MakeTestMessage(++m_MsgSeqNumber, m_SourceId, m_SourceGroupId);
IngestTestData(msg, ConstsNEnums.IngestionQueueEndpointName);
}
catch (Exception ex)
{
Console.WriteLine("{0}.Main(): IngestTestData() proxy threw exception\n {1}.", m_ThisName, ex);
}
}
}
static void Main(string[] args)
{
// Get rid of compiler warnings by using the GenericResolver related variables.
m_SbMessage = new TestMessage();
m_InProcessFeedMsg = new InProcessFeedMsg();
Console.Title = m_ThisName;
Console.WriteLine("{0}.Main(): Entered. Awaiting your input to start the", m_ThisName);
Console.WriteLine(" QueuedServicsBusHost for the Service Bus queue '{0}'\n via WCF NetMessagingBinding.",
ConstantsNEnums.IngestionQueueName);
ConsoleNTraceHelpers.PauseTillUserPressesEnter();
QueuedServiceBusHost queuedHost = null;
try
{
Uri sbBaseAddr = new Uri("sb://AzExploreSbNS.servicebus.windows.net/");
queuedHost = new QueuedServiceBusHost(typeof(DataFeedManager), false, sbBaseAddr);
queuedHost.Open();
Console.WriteLine("{0}.Main(): QueuedServiceBusHost opened OK. Working.....", m_ThisName);
}
catch (Exception ex)
{
Console.WriteLine("{0}.Main(): host.Open() Threw exception!\n {1}", m_ThisName, ex);
}
Console.WriteLine("\n{0}.Main(): Press ENTER to EXIT.", m_ThisName);
Console.ReadLine();
CloseOrAbortHosts(queuedHost);
Console.WriteLine("\n{0}.Main(): Exiting......", m_ThisName);
}
static void Main(string[] args)
{
Console.Title = m_ThisName;
Console.WriteLine("{0}.Main(): Entered. Awaiting your input to start the", m_ThisName);
Console.WriteLine(" QueuedServicsBusHost for the Service Bus queue '{0}'\n via WCF NetMessagingBinding.",
ConstsNEnums.IngestionQueueName);
ConsoleNTraceHelpers.PauseTillUserPressesEnter();
QueuedServiceBusHost host = null;
try
{
host = new QueuedServiceBusHost(typeof(DataFeedsManager.DataFeedsManager));
host.Open();
Console.WriteLine("{0}.Main(): QueuedServiceBusHost opened OK. Working.....", m_ThisName);
}
catch (Exception ex)
{
Console.WriteLine("{0}.Main(): host.Open() Threw exception!\n {1}", m_ThisName, ex.ToString());
}
Console.WriteLine("\n{0}.Main(): Press ENTER to EXIT.", m_ThisName);
Console.ReadLine();
if (host != null)
{
host.Close();
}
Console.WriteLine("\n{0}.Main(): Exiting......", m_ThisName);
}
static void Main(string[] args)
{
try
{
m_StorageAcct = GetCloudStorageAccount();
//CloudTable table = ObtainTableCreatIfNotExist("customers");
CloudTable table = ObtainTableCreatIfNotExist("orders");
OrderEntity newOrder = new OrderEntity("George", "20150502");
newOrder.OrderNumber = "1";
newOrder.ShippedDate = Convert.ToDateTime("5/2/2015");
newOrder.RequiredDate = Convert.ToDateTime("5/10/2015");
newOrder.Status = "shipped";
TableOperation insertOperation = TableOperation.Insert(newOrder);
table.Execute(insertOperation);
}
catch (StorageException ex)
{
if (ex.Message.Contains("409"))
{
Console.WriteLine("Caught exception:\n Likely RowKey already exists on insert.\n ex = {0}", ex);
}
}
catch (Exception ex)
{
Console.WriteLine("Caught exception: ex = {0}", ex);
}
ConsoleNTraceHelpers.PauseTillUserPressesEnterExitOnX();
}
static void Main(string[] args)
{
// Get rid of compiler warnings by using the GenericResolver related variables.
m_FeedStats = new DataFeedStatistics();
m_DataAnalysisResult = new IngestedDataAnalysisResult();
Console.Title = m_ThisName;
Console.WriteLine("{0}.Main(): Entered. Awaiting your input to start the", m_ThisName);
Console.WriteLine("Service Host for the AdminManager and SomeManager");
ConsoleNTraceHelpers.PauseTillUserPressesEnter();
ServiceHost <AdminManager> adminHost = null;
ServiceHost <SomeManager> someManagerHost = null;
try
{
adminHost = new ServiceHost <AdminManager>();
adminHost.Open();
Console.WriteLine("{0}.Main(): Admin ServiceHost opened OK.", m_ThisName);
someManagerHost = new ServiceHost <SomeManager>();
someManagerHost.Open();
Console.WriteLine("{0}.Main(): SomeManager ServiceHost opened OK.", m_ThisName);
}
catch (Exception ex)
{
Console.WriteLine("{0}.Main(): host.Open() Threw exception!\n {1}", m_ThisName, ex);
}
Console.WriteLine("\n{0}.Main(): Press ENTER to EXIT.", m_ThisName);
Console.ReadLine();
CloseOrAbortHosts(adminHost, someManagerHost);
Console.WriteLine("\n{0}.Main(): Exiting......", m_ThisName);
}
void IAdminValidityEngine.IsPresentFeedComponentInfoRequestValid(string componentName)
{
// In a real app one would likely have the FeedAdminDA check to see if the componentName
// was an active Feed Component in the system and throw an exception if not.
// That's too much work for a demo. This suffices to show the concept and test it.
if (string.IsNullOrEmpty(componentName))
{
ConsoleNTraceHelpers.DisplayInfoToConsoleNTrace(m_ThisName + ".IAdminValidityEngine.IsPresentFeedComponentInfoRequestValid(): arg was null or empty.");
throw new ArgumentNullException("componentName", "IAdminValidityEngine -- String was null or empty.");
}
}
void IDataFeeds.IngestTestData(TestMessage msg)
{
string greeting = String.Format("\n{0}.IngestTestData(): Entered.", m_ThisName);
Console.WriteLine(greeting);
Trace.TraceInformation("**" + greeting);
ConsoleNTraceHelpers.DisplayTestMessage(msg);
ConsoleNTraceHelpers.TraceTestMessage(msg);
// Below is where the code goes that does the work of this service operation.
// That code will be developed in subsequent iterations.
}
long IFeedAdminRepos.GetQueueLength(string queueName)
{
try
{
QueueDescription queueDescr = iFX.Azure.AzureServiceBusHelpers.GetQueueDescription(queueName);
long count = queueDescr.MessageCount;
return(count);
}
catch (Exception ex)
{
ConsoleNTraceHelpers.DisplayExToConsoleNTrace(m_ThisName + ".GetQueueLength()", ex);
throw;
}
}
private static void DisplayMsgAndQueueLength(TestMessage msg, InProcessFeedMsg checkedMsg)
{
// For test client only.
IFeedAdminDA feedAdminDaProxy = InProcFactory.CreateInstance <AdminDA, IFeedAdminDA>();
long queueLength = feedAdminDaProxy.GetQueueLength(iFX.Common.ConstantsNEnums.IngestionQueueName);
InProcFactory.CloseProxy(feedAdminDaProxy);
checkedMsg.QueueLength = queueLength;
string queueLengthMsg = string.Format("{0} count = {1}",
iFX.Common.ConstantsNEnums.IngestionQueueName,
queueLength);
ConsoleNTraceHelpers.DisplayInfoToConsoleNTrace(queueLengthMsg);
ConsoleNTraceHelpers.DisplayTestMessage(msg);
ConsoleNTraceHelpers.TraceTestMessage(msg);
}
private static IngestedDataAnalysisResult AnalyzeIngestedData()
{
IngestedDataAnalysisResult result = null;
SomeDataAnalysisClient proxy = new SomeDataAnalysisClient("someDataAnalysis");
try
{
result = proxy.AnalyzeIngestedData();
proxy.Close();
}
catch (Exception ex)
{
ConsoleNTraceHelpers.DisplayExToConsoleNTrace(m_ThisName + ".AnalyzeIngestedData(): Exception!! ", ex);
proxy.Abort();
}
return(result);
}
private static DataFeedStatistics PresentQueueStatistics(string queueName)
{
DataFeedStatistics stats = null;
FeedAdminClient proxy = new FeedAdminClient("feedAdmin");
try
{
stats = proxy.PresentFeedComponentInfo(queueName);
proxy.Close();
}
catch (Exception ex)
{
ConsoleNTraceHelpers.DisplayExToConsoleNTrace(m_ThisName + ".PresentQueueStatistics(): Exception!! ", ex);
proxy.Abort();
}
return(stats);
}
DataFeedStatistics IFeedAdminRepos.GetFeedStatistics(string queueName)
{
try
{
DataFeedStatistics stats = new DataFeedStatistics();
stats.FeedComponentName = queueName;
stats.StatsCollectionDateTime = DateTime.Now;
QueueDescription queueDescr = iFX.Azure.AzureServiceBusHelpers.GetQueueDescription(queueName);
stats.QueueLength = queueDescr.MessageCount;
stats.DeadLetterQueueLength = queueDescr.MessageCountDetails.DeadLetterMessageCount;
return(stats);
}
catch (Exception ex)
{
ConsoleNTraceHelpers.DisplayExToConsoleNTrace(m_ThisName + ".GetFeedStatistics()", ex);
throw;
}
}
private static void IngestTestData(TestMessage msg, string queueName)
{
// "Programming WCF Services" 3rd edition by Juval Lowy pp 259-260 recommends the
// following form when needing to catch exceptions near the SendQueuedTestMessage().
DataFeedsClient proxy = new DataFeedsClient(queueName);
try
{
proxy.IngestTestData(msg);
proxy.Close();
Console.WriteLine("{0}.IngestTestData(): Test message enqueued Ok.", m_ThisName);
ConsoleNTraceHelpers.DisplayTestMessage(msg);
}
catch (Exception ex)
{
Console.WriteLine("{0}.IngestTestData(): Proxy threw exception\n {1}.", m_ThisName, ex);
proxy.Abort();
}
}
DataFeedStatistics IFeedAdmin.PresentFeedComponentInfo(string componentName)
{
ConsoleNTraceHelpers.DisplayInfoToConsoleNTrace(m_ThisName + ".PresentFeedComponentInfo(): Entered:");
// Check validity of all requests.
IAdminValidityEngine validityEngProxy = InProcFactory.CreateInstance <ValidityEngine, IAdminValidityEngine>();
validityEngProxy.IsPresentFeedComponentInfoRequestValid(componentName);
InProcFactory.CloseProxy(validityEngProxy);
// Retrieve Feed Component info
DataFeedStatistics stats = null;
IFeedAdminDA feedAdminDaProxy = InProcFactory.CreateInstance <AdminDA, IFeedAdminDA>();
stats = feedAdminDaProxy.GetFeedStatistics(componentName);
InProcFactory.CloseProxy(feedAdminDaProxy);
return(stats);
}
private static void IngestTestData(TestMessage msg, string queueName)
{
// Allow calculation of elapsed time: From proxy instantiation
// till the message is received by the instantiated service instance.
msg.MessageSendDateTime = DateTime.Now;
// "Programming WCF Services" 3rd edition by Juval Lowy pp 259-260 recommends the
// following form when needing to catch exceptions near the SendQueuedTestMessage().
DataFeedsClient proxy = new DataFeedsClient(queueName);
try
{
proxy.IngestTestData(msg);
proxy.Close();
Console.WriteLine("{0}.IngestTestData(): Test message enqueued Ok.", m_ThisName);
ConsoleNTraceHelpers.DisplayTestMessage(msg);
}
catch (Exception ex)
{
ConsoleNTraceHelpers.DisplayExToConsoleNTrace(m_ThisName + ".IngestTestData(): ", ex);
proxy.Abort();
}
}