private static string GenerateErrorMessage(SessionFault sessionFault, string defaultMessage)
{
string message = SR.ResourceManager.GetString(SOAFaultCode.GetFaultCodeName(sessionFault.Code), CultureInfo.CurrentCulture);
if (message != null)
{
if (sessionFault.Context == null || sessionFault.Context.Length == 0)
{
return(message);
}
else
{
object[] objArr = new object[sessionFault.Context.Length];
for (int i = 0; i < objArr.Length; i++)
{
objArr[i] = sessionFault.Context[i];
}
return(String.Format(CultureInfo.CurrentCulture, message, objArr));
}
}
else
{
return(defaultMessage);
}
}
/// <summary>
/// Generates the fault message from fault code
/// </summary>
/// <param name="requestMessage">indicating the request message</param>
/// <param name="version">message version</param>
/// <param name="code">indicating the soa fault code</param>
/// <param name="reason">indicating the reason</param>
/// <param name="context">indicating the context</param>
/// <returns>fault message</returns>
public static Message GenerateFaultMessage(Message requestMessage, MessageVersion version, int code, string reason, params string[] context)
{
string errorMessage = context == null || context.Length == 0 ? reason : String.Format(CultureInfo.CurrentCulture, reason, context);
FaultException <SessionFault> faultException = new FaultException <SessionFault>(new SessionFault(code, reason, context), errorMessage, FaultCode.CreateReceiverFaultCode(SOAFaultCode.GetFaultCodeName(code), Constant.HpcHeaderNS), SessionFault.Action);
return(GenerateFaultMessage(requestMessage, version, faultException));
}
static void Main(string[] args)
{
//change the headnode name here
const string headnode = "[headnode]";
const string serviceName = "EchoService";
const int numRequests = 12;
SessionStartInfo startInfo = new SessionStartInfo(headnode, serviceName);
startInfo.BrokerSettings.SessionIdleTimeout = 15 * 60 * 1000;
startInfo.BrokerSettings.ClientIdleTimeout = 15 * 60 * 1000;
Console.Write("Creating a session for EchoService...");
// Create a durable session
int sessionId = 0;
DurableSession session = null;
bool successFlag = false;
int retryCount = 0;
const int retryCountMax = 20;
const int retryIntervalMs = 5000;
while (!successFlag && retryCount++ < retryCountMax)
{
try
{
session = DurableSession.CreateSession(startInfo);
successFlag = true;
}
catch (EndpointNotFoundException e)
{
Console.WriteLine("EndpointNotFoundException {0}", e.ToString());
}
catch (CommunicationException e)
{
Console.WriteLine("CommunicationException {0}", e.ToString());
}
catch (TimeoutException e)
{
Console.WriteLine("TimeoutException {0}", e.ToString());
}
catch (SessionException e)
{
Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
// if session fatal errors happen, no retry
if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
{
Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
Console.WriteLine("No retry.");
retryCount = retryCountMax;
continue;
}
}
catch (Exception e)
{
Console.WriteLine("General exception {0}", e.ToString());
}
if (!successFlag)
{
Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
Thread.Sleep(retryIntervalMs);
}
}
if (!successFlag)
{
Console.WriteLine("Create durable session failed.");
return;
}
sessionId = session.Id;
Console.WriteLine("Done session id = {0}", sessionId);
//send requests
successFlag = false;
retryCount = 0;
const int sendTimeoutMs = 5000;
const int clientPurgeTimeoutMs = 60000;
while (!successFlag && retryCount++ < retryCountMax)
{
using (BrokerClient <IService1> client = new BrokerClient <IService1>(session))
{
Console.Write("Sending {0} requests...", numRequests);
try
{
for (int i = 0; i < numRequests; i++)
{
//client.SendRequest<EchoFaultRequest>(new EchoFaultRequest("dividebyzeroexception"), i, sendTimeoutMs);
client.SendRequest <EchoDelayRequest>(new EchoDelayRequest(5000), i, sendTimeoutMs);
}
client.EndRequests();
successFlag = true;
Console.WriteLine("done");
}
catch (TimeoutException e)
{
// Timeout exceptions
Console.WriteLine("TimeoutException {0}", e.ToString());
}
catch (CommunicationException e)
{
//CommunicationException
Console.WriteLine("CommunicationException {0}", e.ToString());
}
catch (SessionException e)
{
Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
if (SOAFaultCode.Broker_BrokerUnavailable == e.ErrorCode)
{
Console.WriteLine("SessionException : BrokerUnavailable {0}", e.ToString());
}
// Session Exceptions are unrecoverable unless they are application errors
if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.ApplicationError))
{
Console.WriteLine("SessionExceptionCategory : ApplicationError {0}", e.ToString());
}
// if session fatal errors happen, no retry
if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
{
Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
Console.WriteLine("No retry.");
retryCount = retryCountMax;
continue;
}
}
catch (Exception e)
{
//general exceptions
Console.WriteLine("Exception {0}", e.ToString());
}
//purge client if not succeeded, needed?
if (!successFlag)
{
try
{
client.Close(true, clientPurgeTimeoutMs);
}
catch (Exception e)
{
Console.WriteLine("Failed to purge the client after send request failure {0}", e.ToString());
}
}
}
if (!successFlag)
{
Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
Thread.Sleep(retryIntervalMs);
}
}
if (!successFlag)
{
Console.WriteLine("Send requests failed.");
return;
}
//dispose the session here
session.Dispose();
//attach the session
SessionAttachInfo attachInfo = new SessionAttachInfo(headnode, sessionId);
successFlag = false;
retryCount = 0;
const int attachTimeoutMs = 15000;
while (!successFlag && retryCount++ < retryCountMax)
{
try
{
session = DurableSession.AttachSession(attachInfo);
successFlag = true;
}
catch (EndpointNotFoundException e)
{
Console.WriteLine("{0}", e.ToString());
}
catch (CommunicationException e)
{
Console.WriteLine("{0}", e.ToString());
}
catch (SessionException e)
{
Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
// if session fatal errors happen, no retry
if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
{
Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
Console.WriteLine("No retry.");
retryCount = retryCountMax;
continue;
}
}
catch (Exception e)
{
Console.WriteLine("General exception {0}", e.ToString());
}
if (!successFlag)
{
Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
Thread.Sleep(retryIntervalMs);
}
}
if (!successFlag)
{
Console.WriteLine("Attach durable session failed.");
return;
}
successFlag = false;
retryCount = 0;
const int getTimeoutMs = 30000;
const int clientCloseTimeoutMs = 15000;
Console.WriteLine("Retrieving responses...");
while (!successFlag && retryCount++ < retryCountMax)
{
using (BrokerClient <IService1> client = new BrokerClient <IService1>(session))
{
// GetResponses from the runtime system
// EchoResponse class is created as you add Service Reference "EchoService" to the project
try
{
//foreach (var response in client.GetResponses<EchoFaultResponse>(getTimeoutMs))
foreach (var response in client.GetResponses <EchoDelayResponse>(getTimeoutMs))
{
try
{
//string reply = response.Result.EchoFaultResult ;
int reply = response.Result.EchoDelayResult;
Console.WriteLine("\tReceived response for delay request {0}: {1}", response.GetUserData <int>(), reply);
}
catch (FaultException <DivideByZeroException> e)
{
// Application exceptions
Console.WriteLine("FaultException<DivideByZeroException> {0}", e.ToString());
}
catch (FaultException e)
{
// Application exceptions
Console.WriteLine("FaultException {0}", e.ToString());
}
catch (RetryOperationException e)
{
// RetryOperationExceptions may or may not be recoverable
Console.WriteLine("RetryOperationException {0}", e.ToString());
}
}
successFlag = true;
Console.WriteLine("Done retrieving {0} responses", numRequests);
}
catch (TimeoutException e)
{
// Timeout exceptions
Console.WriteLine("TimeoutException {0}", e.ToString());
}
catch (CommunicationException e)
{
//CommunicationException
Console.WriteLine("CommunicationException {0}", e.ToString());
}
catch (SessionException e)
{
Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
if (SOAFaultCode.Broker_BrokerUnavailable == e.ErrorCode)
{
Console.WriteLine("SessionException : BrokerUnavailable {0}", e.ToString());
}
// Session Exceptions are unrecoverable unless they are application errors
if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.ApplicationError))
{
Console.WriteLine("SessionExceptionCategory : ApplicationError {0}", e.ToString());
}
// if session fatal errors happen, no retry
if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
{
Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
Console.WriteLine("No retry.");
retryCount = retryCountMax;
continue;
}
}
catch (Exception e)
{
//general exceptions
Console.WriteLine("Exception {0}", e.ToString());
}
try
{
client.Close(false, clientCloseTimeoutMs);
}
catch (Exception e)
{
Console.WriteLine("Exception", e.ToString());
}
}
if (!successFlag)
{
Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
Thread.Sleep(retryIntervalMs);
}
}
//explict close the session to free the resource
successFlag = false;
retryCount = 0;
Console.WriteLine("Close the session...");
while (!successFlag && retryCount++ < retryCountMax)
{
try
{
session.Close(true);
successFlag = true;
}
catch (SessionException e)
{
Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
// if session fatal errors happen, no retry
if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
{
Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
Console.WriteLine("No retry.");
retryCount = retryCountMax;
continue;
}
}
catch (Exception e)
{
Console.WriteLine("{0}", e.ToString());
}
if (!successFlag)
{
Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
Thread.Sleep(retryIntervalMs);
}
}
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
}
