By Ingo Rammer
Complicated .NET Remoting is the 1st ebook out there that provides in-depth assurance of the .NET Remoting Framework. The publication is split into sections&emdash;the first detailing the specifics of the framework and its features in real-world purposes. subject matters comprise formatters, channels, lifetime concerns, safeguard, configuration documents, and the fundamentals of server-activated items as opposed to client-activated items. additionally coated intimately are home windows companies, IIS, and server-side web hosting of remotable parts in console applications.
The moment a part of the ebook offers an unparalleled view of .NET Remoting internals. writer Ingo Rammer indicates how the framework makes use of message sinks and sink companies, and offers in-depth guide on the way to enforce message and channel sinks. those chapters additionally provide perception into the synchronous and asynchronous message processing in the framework.
Going a long way past the knowledge you are going to assemble from Microsoft's documentation, Rammer explains how .NET Remoting quite works, and the way it may be prolonged. The e-book additionally encompasses a bankruptcy at the improvement technique and resource code for a number of real-world message sinks, and exhibits you the way to improve a customized Remoting delivery channel from scratch. It concludes with distinctive insurance of the ContextBoundObject category and .NET contexts, crucial for utilizing the expertise inside person, client-only purposes.
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Extra info for Advanced. NET Remoting CSharp Edition
Contrary to common pointers in languages like C++, ObjRefs don't reference a memory address but instead contain a network address (like a TCP/IP address and TCP port) and an object ID that's employed on the server to identify which object instance is used by the calling client. ) On the client side these ObjRefs are encapsulated by a proxy object (actually, by two proxies, but you also get the chance to read more on those in Chapter 7). After creating two references to client-activated objects on a remote server, for example, the client will hold two TransparentProxy objects.
GetNewInstance(); Chapter 3: Remoting in Action 33 34 Chapter 3: Remoting in Action } } } When bringing this pattern to remoting, you have to create a factory that's running as a server-activated object (ideally a Singleton) that has a method returning a new instance of the "real class" (the CAO) to the client. This gives you a huge advantage in that you don't have to distribute the implementation to the client system or manually tweak the output from SoapSuds -gc. Note Distributing the implementation to the client is not only a bad choice due to deployment issues, it also makes it possible for the client user to disassemble your object's codes using ILDASM or some other tool.
It then sets the value of those objects and outputs them again, which shows that you really are dealing with two different objects. As you can see in Listing 3-5, the activation of the remote object is done with the new operator. This is possible because you registered the Type as ActivatedClientType before. The runtime now knows that whenever your application creates an instance of this class, it instead should create a reference to a remote object running on the server. ReadLine(); } } } When this code sample is run, you will see the same behavior as when using local objects-the two instances have their own state (Figure 3-9).