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Understanding Client-Server Communication Via Sockets
Understanding Client-Server Communication Via Sockets
Order ID 53563633773 Type Essay Writer Level Masters Style APA Sources/References 4 Perfect Number of Pages to Order 5-10 Pages Description/Paper Instructions
Understanding Client-Server Communication Via Sockets
Objectives
– To understand client-server communication via sockets.
– To gain exposure to the basic operations of a Web server and client. Understanding Client-Server Communication Via Sockets
– To explore basic structures of HTTP messages.
Project Description In this project, you will be developing a multithreaded Web server and a simple web client. The Web server and Web client communicate using a text-based protocol called HTTP (Hypertext Transfer Protocol). Requirements for the Web server – The server is able to handle multiple requests concurrently. Understanding Client-Server Communication Via Sockets
This means the implementation is multithreaded. In the main thread, the server listens to a specified port, e.g., 8080. Upon receiving an HTTP request, the server sets up a TCP connection to the requesting client and serves the request in a separate thread. After sending the response back to the client, it closes the connection. – The server is assumed to work with HTTP GET messages. Understanding Client-Server Communication Via Sockets
If the requested file exists, the server responds with “HTTP/1.1 200 OK” together with the requested page to the client, otherwise it sends a corresponding error message, e.g., “HTTP/1.1 404 Not Found” or “HTTP/1.1 400 Bad Request”. – If running the server program using command line, the syntax should be: server_code_name [<port_number>] where the optional <port_number> is the port on which the server is listening to connections from clients.
If the port number is not entered, the default port 8080 is used. – You can test your Web server implementation on your local machine using a Web browser, e.g., Internet Explorer, Firefox, or Chrome. You need to specify the used port number within the URL, for example, http://localhost:8080/index.htm If omitting the port number portion, i.e., 8080, the browser will use the default port 80. Understanding Client-Server Communication Via Sockets
– The server should response with a default page when users do not enter a specific page in the URL, for example, http://localhost:8080/ It should also work when the request includes a path to the requested file, for example, http://localhost:8080/path/to/file/example.htm Understanding Client-Server Communication Via Sockets
– You should display/log the request and header lines of request messages on the server for the purpose of debugging. Requirements for the simple Web client – The client is able to connect to the server via a socket and to request a page on the server. – Upon receipt of the response message from the server, the client extracts and displays/logs the message status, and then retrieves the page content from the message body.
– Submit a single zipped file with the naming convention <your_UTA_id>_<your_name>.zip which consists of: Understanding Client-Server Communication Via Sockets
- Source codes of the Web server and client,
- Any additional files required to run your codes,
- A readme file with instructions on how to compile and run your codes. You must mention the IDE as well as any packages that are required to run the codes. – Do NOT include any runnable executable (binary) program. – Make sure your name and your UTA ID are also listed in the readme file and in comments at the beginning of your source files. – Upload the zipped file via Canvas.
Please strictly follow the naming convention of the zipped file and the subject title. – Late submission will be accepted with a 10-point deduction for each extra day. Additional Requirements/Instructions – Complete documentation and instructions for running the codes are recommended, otherwise you may be asked to come give the TA a demo if he is not able to run your programs from the instructions provided.
If you are using any code from some external source or book, you MUST mention it explicitly in the codes as well as the readme file. Otherwise, it will be considered plagiarism and your project will not be evaluated. – You can discuss with other classmates on steps/algorithms to implement the project. However, the source codes must be written yourself.
Grading (30 points) – The server works correctly with requests from a Web browser (6 points) – The server can serve multiple requests at the same time (multithreaded implementation) (6 points) – The client sends/receives messages to/from the server correctly (6 points) – The client extracts the status and content of messages from the server correctly (6 points) – Display/log of proper messages on the server (2 points) – Display/log of proper messages on the client (2 points) – Code do
Understanding Client-Server Communication Via Sockets
RUBRIC
QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points: Student failed to submit the final paper. 20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. 40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. 50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). Zero points: Student failed to include citations and/or references. Or the student failed to submit a final paper. 5 out 20 points: Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. 10 out 20 points: References to scholarly sources are occasionally given; many statements seem unsubstantiated. Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. 15 out 20 points: Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented. APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. 20 points: Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented. APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. Grammar (worth maximum of 20% of total points) Zero points: Student failed to submit the final paper. 5 points out of 20: The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors 10 points out 20: The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors 15 points out of 20: The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. 20 points: The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. Structure of the Paper (worth 10% of total points) Zero points: Student failed to submit the final paper. 3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. 5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements. The student also significantly writes too large or too short of and paper 7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. 10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper.
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