The document provides technical details on implementing caching and messaging using Microsoft Azure technologies, including memcached, Windows Azure queues, and service bus queues. It outlines caching strategies, message sending and receiving processes, and error handling for message processing. Additionally, it discusses user authentication and role management through claims in an Azure context.

1. @stratospher_es http://stratospher.es

5. Memcached

10. Microsoft.ApplicationServer.Caching.DataCache
cache = new
Microsoft.ApplicationServer.Caching.DataCache
("default");
ObjectType myCachedObject =
(ObjectType)cache.Get("cacheKey");
cache.Add("cacheKey", myObjectRequiringCaching);

21. <caching>
<outputCache defaultProvider="DistributedCache">
<providers>
<add name="DistributedCache"
type="Microsoft.Web.DistributedCache.DistributedCacheOutputCacheProvider,
Microsoft.Web.DistributedCache"
cacheName="default"
dataCacheClientName="default" />
</providers>
</outputCache>
</caching>
<%@ OutputCache Duration="60" VaryByParam="*" %>

22. Memcached Shim Memcached Shim
Memcached Client Memcached Server
Nuget: Microsoft.WindowsAzure.Caching.MemcacheShim

29. // the endpoint that is projected back through the service bus (note: NetTcpRelayBinding)
// This DNS name will be "sb://[serviceNamespace].servicebus.windows.net/solver"
host.AddServiceEndpoint(
typeof(IProblemSolver),
new NetTcpRelayBinding(),
ServiceBusEnvironment.CreateServiceUri("sb", ‚metrobus", "solver"))
.Behaviors.Add(new TransportClientEndpointBehavior
{
TokenProvider =
TokenProvider.CreateSharedSecretTokenProvider("owner", Microsoft.WindowsAzure.CloudConfigurat
Manager.GetSetting("ServiceBusSecret"))
});

30. .Behaviors.Add(
new TransportClientEndpointBehavior
{
TokenProvider =
TokenProvider.CreateSharedSecretTokenProvider(
"owner",
Microsoft.WindowsAzure.CloudConfigurationManager.GetSetting("Ser
viceBusSecret")
)
});

31. .Behaviors.Add(
new TransportClientEndpointBehavior
{
TokenProvider =
TokenProvider.CreateSharedSecretTokenProvider(
"owner",
Microsoft.WindowsAzure.CloudConfigurationManager
.GetSetting("ServiceBusSecret"))
});

35. http://aka.ms/q-vs-q

36. http://aka.ms/q-vs-q

37. http://aka.ms/q-vs-q

38. Comparison Criteria Windows Azure Queues Service Bus Queues
Yes - First-In-First-Out (FIFO)
Ordering guarantee No (through the use of messaging
sessions)
At-Least-Once
Delivery guarantee At-Least-Once
At-Most-Once
Yes
Transaction support No (through the use of local
transactions)
30 seconds (default) 60 seconds (default)
Lease/Lock duration
7 days (maximum) 5 minutes (maximum)
Yes
Batched send No (through the use of transactions
or client-side batching)
http://aka.ms/q-vs-q

40. namespaceManager =
Microsoft.ServiceBus.NamespaceManager
.CreateFromConnectionString(‚…‛);
if (!namespaceManager.QueueExists(queueName))
namespaceManager.CreateQueue(queueName);

41. Endpoint=
sb://<namespace>.servicebus.windows.net/;
SharedSecretIssuer=<issuer>;
SharedSecretValue=<sharedSecret>

42. if (messagingFactory == null)
messagingFactory =
MessagingFactory.CreateFromConnectionString(‚…‛);
if (messageSender == null)
messageSender =
messagingFactory.CreateMessageSender(queueName);

43. BrokeredMessage message = new BrokeredMessage();
message.Label = ‚Hello from your new message.‛
message.Properties.Add(
new KeyValuePair<string,object>(‚FirstName", ‚Adam"));
message.Properties.Add(
new KeyValuePair<string,object>(‚LastName", ‚Hoffman"));
messageSender.Send(message);

44. if (messagingFactory == null)
messagingFactory =
MessagingFactory.CreateFromConnectionString(‚…‛);
if (messageReceiver == null)
messageReceiver =
messagingFactory.CreateMessageReceiver(queueName);

45. BrokeredMessage message = new BrokeredMessage();
// wait only 5 seconds...
message = messageReceiver.Receive(new TimeSpan(0, 0, 5));
if (message != null){
try{
…
// Remove message from queue
message.Complete();
}
catch (Exception){
// Indicate a problem, unlock message in queue
message.Abandon();
}
}

51. namespaceManager =
Microsoft.ServiceBus.NamespaceManager
.CreateFromConnectionString(‚…‛);
if (!namespaceManager.TopicExists(topicName))
namespaceManager.CreateTopic(topicName);

52. TopicClient topicClient =
TopicClient.CreateFromConnectionString(‚…‛, topic);
BrokeredMessage message = new BrokeredMessage();
message.Label = ‚Hello from your new message.‛
message.Properties.Add(
new KeyValuePair<string,object>(‚FirstName", ‚Adam"));
message.Properties.Add(
new KeyValuePair<string,object>(‚LastName", ‚Hoffman"));
topicClient.Send(message);

53. if (!NamespaceManager
.SubscriptionExists(topicName, "AllMessages"))
{
NamespaceManager.CreateSubscription(
topicName, "AllMessages");
ListenForMessages(topicName);
}

54. MessagingFactory mf =
MessagingFactory.CreateFromConnectionString(‚…‛);
MessageReceiver mr = mf.CreateMessageReceiver(
topicName + "/subscriptions/" + "AllMessages");
BrokeredMessage message = mr.Receive();
…
// Remove message from subscription
message.Complete();
Or…
// Indicate a problem, unlock message in subscription
message.Abandon();

55. SqlFilter highMessagesFilter = new SqlFilter("MessageNumber > 3");
NamespaceManager.CreateSubscription("TestTopic", "HighMessages",
highMessagesFilter);
SqlFilter highMessagesFilter = new SqlFilter(‚FirstName = ‘Adam’");
NamespaceManager.CreateSubscription("TestTopic", ‚GuysNamedAdam",
adamMessageFilter);
MessageReceiver mr = mf.CreateMessageReceiver(
topicName + "/subscriptions/" + ‚GuysNamedAdam");

57. Customer
support Data
Management protection
UI
Forget
password?
User store
User mapping
More LDAP
User mapping
Authentication
Authorization
Integration Synchronization
Facebook
with AD
Auth API
More
Integration
Synchronization With
Facebook

60. IdP
WIF ACS
IdP

63. public class RoleSetter : ClaimsAuthenticationManager
{
public override ClaimsPrincipal Authenticate(string resourceName,
ClaimsPrincipal incomingPrincipal)
{
if (incomingPrincipal != null &&
incomingPrincipal.Identity.IsAuthenticated == true)
{
//DECIDE ON SOME CRITERIA IF CURRENT USER DESERVES THE ROLE
ClaimsIdentity identity =
(ClaimsIdentity)incomingPrincipal.Identity;
IEnumerable<Claim> claims = identity.Claims;
if (DoYourCheckHere())
((ClaimsIdentity)incomingPrincipal.Identity).AddClaim(
new Claim(ClaimTypes.Role, "Admin"));
}
return incomingPrincipal;
}

64. <system.identityModel>
<identityConfiguration>
<claimsAuthenticationManager
type="ClaimsTransformer.RoleSetter,
ClaimsTransformer"/>
…

65. if (User.IsInRole("Admin"))
Response.Write("The code is 42...<br/>");
else
Response.Write(‚No soup for you.");

70. http://aka.ms/Azure90DayTrial http://aka.ms/MSDNAzure