C Program For Stop And Wait Protocol

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2. C Program For Stop And Wait Protocol

Mar 22, 2014 - STOP AND WAIT PROTOCOL PROGRAM IN C++. #include #include dos.h> #include #include #define. False: Get a good frame. Stop and Wait Protocol. This is wrong, actually it is the. That is the reason why the program is getting printed when you try printing.

The 'client' and 'server' program contains some dubious code. First lets take the 'server', which calls sendto with clientaddr which you haven't initialized. Who knows where you try to send the packets. This, in fact, leads to undefined behavior, as the contents of the structure is indeterminate. Then lets take the client, in which you call recvfrom on a socket that isn't bound locally.

The address structure pointer you pass to recvfrom is filled in by the recvfrom function, but the data in it is not used in any other way. There are probably other problems, but these two stand out.

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Project 3: Stop-and-Wait Protocol Due date: June 19th, 2002 When this project has been completed, the following outcomes should be realized. Complete understanding of protocol 2 of handout Able to implement round trip message passing Use of UDP datagrams Use of sockets for I/O Understanding the role of ports and IP addresses for socket programming Understanding of the data structures involved using the socket library Understanding distributed processing (compared to multiprocessing) Understanding of the Stop-and-Wait Protocol Better understanding of protocol architecture. In particular, the services provided to the network layer and the physical layer services used by this protocol.

Your assignment is to implement the Stop-and-Wait Protocol 2 (assumes error free transmission). This protocol can be found in the handout of protocols.

You also have a handout with TCP/IP system calls for sending and receiving UDP datagram. This project requires two programs. One program should model the sender and the other should model the receiver given in the protocol handout. One main should have the same layout as the sender of the protocol, and the other main should have the same layout as the receiver of the protocol. By layout I mean the same function calls (your code provides the functions), e.g., fromnetworklayer and the same while loop. Your variables declarations and formal parameters will differ from the protocol.

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Each main should behave as a driver program. All variables should be declared in main and passed to the appropriate functions. You may not have global variables! The sender executable and the receiver executable should each execute on a different machine. The call fromnetworklayer obtains data to send. For your implementation of this function, I suggest prompting the user for a value to send.

The call tonetworklayer passes the received data to the above layer. I suggest your implementation of this function simply writes the message received to the screen.

You must provide these two functions. The minimum system calls you will need are: socket bind gethostbyname gethostname sendto recvfrom Your grade will be based on the correct implementation of this assignment.

C Program For Stop And Wait Protocol

A program that does not compile and run receives a zero. ## Deliverables Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. Complete copyrights to all work purchased. ## Platform Must be written in pure ANSI C and compile on Unix platform. Skills:, See more:,.