school project2

this project inolves implementing dynamic binding for Remote Procedure [url removed, login to view] developer will use Stream Sockets,Servers,Name Servers,Handles and anything else mentioned under th delierables and also as per instructions.

## Deliverables

use sockets to implement dynamic binding and a simplified form of RPC. You will have three programs: a client; a server; and a name server. The **client** consists of a test program that calls your remote procedure. This program is linked to a client stub that does the usual jobs: marshalling parameters, connecting to the server, sending a request, receiving the reply and returning the result to the test program. You should do the connection using Internet domain **stream sockets**. The **server** should accept requests, unmarshall the parameters, call the remote procedure, and return the result. The server is linked to the remote procedure. You should write a client stub that has the same name, number of parameters and return type as your remote procedure. The client and server programs should run on different Linux machines. Your implementation should use dynamic binding meaning that your client program doesn’t know the address of the server. Instead it knows the IP address and port number of a third program - the **name server**. The name server accepts requests containing an identifier for the remote procedure and returns a **handle** containing the address of the server to be used in contacting the server or an error message if it doesn’t know where the server is. The connection from the client to the name server should also be done using stream sockets. The server will also contact the name server to register (it notifies the name server of its identifier and its address). When the server shuts down it **deregisters** with the name [url removed, login to view] name server should be written in such a way that it could handle more than one remote procedure. Your client stub should signal to the client if it can’t find the server by raising a **signal**. Your test program must be written in such a way that we can test the following: 1) server registers; 2) client gets handle; 3) client calls remote procedure and gets result; 4) server deregisters and moves then is successfully contacted by client which previously held a handle; 5) server deregisters, client stub which previously held a handle cannot contact server so it raises a signal. Describe the procedure to test each of these cases in your readme file. Make sure that you document the procedure to be used to test your program (i.e. the sequence of commands to be entered). **Extra credit: ** Further implement RPC by automatically generating client and server stubs from an IDL file. Your generator (a stand-alone program) should work on general files (not just one particular file). The file (whose format you can decide on) should allow one remote procedure to be described. The file should give the name of the remote procedure, an identifier for the remote procedure, the names and types of parameters, and the return type. Parameters can be integers, characters, or arrays of integers or characters. Document the format for your IDL file so that I can write my own file and use your generator to generate client and server stubs.

1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done.

2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables):

a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment.

b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request.

3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement).

## Platform

To be developed under and run on Linux operating system. Programming language to be used is either C or C++.You are free to use either one.

Навички: Програмування на С, Техніка, MySQL, PHP, Архітектура ПЗ, Тестування ПЗ

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ID Проекту: #3348946

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