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https://github.com/pkivolowitz/csc3600-s-2023

CSC3600 Network Programming - Spring 2023
https://github.com/pkivolowitz/csc3600-s-2023

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CSC3600 Network Programming - Spring 2023

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README 

        
# Network Programming Spring 2023



## Overview



This course is primarily about designing and implementing network

centric or network aware single threaded and multithreaded applications.

As such, the course is project intensive. With that said, the projects

are fairly similar as network programming follows a set pattern.



Also keep in mind that four projects (2 and 3 as well as projects 4 and

5) would usually be combined into two projects by meaner, nastier and

professors more cruel than I.



Additionally, the nature, purpose and mechanics of certain protocols

such as TCP, IP and others will be covered.



### Getting Going



We will cover some theory / technology *minimally* first, just enough to

get you started on your projects. Then, once you're coding we will

circle back to examine theory / technology in more detail. Again, the

first week or two will be superficial information about network

technology so that you can get to work on your projects.



## Table of Contents



| Topic | Link |

| ----- | ---- |

| Help | [Here](#help) |

| Learning Outcomes | [Here](#learning-outcomes) |

| Textbook | [Here](#textbook) |

| Programming Environment | [Here](#programming-environment) |

| Projects | [Here](#projects) |

| Special Note on Projects | [Here](#special-note-on-projects) |

| Grading Criteria | [Here](#grading-criteria) |

| Attendance is Graded | [Here](#attendance-is-graded) |

| Projects will be Checked for Academic Honesty | [Here](#projects-will-be-checked-for-academic-honesty) |

| getopt Tutorial | [Here](./getopt/README.md) |



## Help



I do not post office hours despite this being a requirement of all

faculty.



What I do instead, which I believe is better, is have "open" office

hours. I.e. any time is a potential office hour. Simply use Google

Calendar to book an appointment with me. Remember to send me the

invitation!



As all help sessions are provided via Zoom, nights and weekends are OK

within reason. Mornings are difficult.



Wednesdays near noon hours are not possible due to campus obligations.



[This is the link to a standing Zoom

meeting](https://carthage-edu.zoom.us/j/4456320007?pwd=UmZNa3ZDOTI2NHdhR21sSmxDR21KUT09).

Use this meeting link for all out-of-class help from me.



## Learning Outcomes



As a result of taking this course, students should be able to:



* Design and implement client-server applications using datagram (UDP)

  means.



* Design and implement client-server applications using reliable (TCP)

  means.



* Design and implement multithreaded client-server applications using

  reliable (TCP) means.



* Understand and recognize the (five) layers in a network stack.



* Understand principles underlying protocols such as ARP, TCP, IP, UDP,

  DHCP.



* Understand NAT, Broadcasting, VPN, Shortest Path, Reachability,

Forwarding, Routing, Ports, and Sockets



* Utilize the Linux / Unix development tool chain featuring make and gcc

  / g++.



* Utilize and understand Linux-based networking tools such as ping,

  traceroute, and other tools



## Textbook



### Dordal



The textbook is [An Introduction to Computer

Networks]()

by Peter Dordal.



It is free.



### Beej



Specifically for our projects, [this

link]() to Beej's Guide

 will be your lifesaver.



## Programming Environment



Projects mostly require the Berkeley Sockets API.



* The Mac terminal can be used directly.



* Windows does not expose the Berkeley Sockets API to users. Instead,

you will have to use WSL or WSL 2 or some other virtual machine

capability. This will be easy for running both client and server on

your own machine but running a server on WSL and expecting to be

reached from the outside is hard. You're running a VM inside Windows.

Also, Microsoft. Meaning by WSL version 11 it'll be easy to do. We're

on WSL version 2. So. Microsoft.



### Installing WSL the Easy Way



On Windows, run a command prompt **in Administrator mode**. Then type:



```wsl --install```



You'll get some version of Ubuntu and that's good enough.



### Programming Language



Except for one project, all projects must be implemented in C, C++ or

a mixture of C and C++.



The last project will be different. It is based on the first project so

do a good job on that first project. Make sure you understand it.



### How Programs are Graded



Except for one project, projects will be graded:



* on a Macintosh - do not use features specific to Windows.



* for style and clarity



* for comments



* for correctness, of course



You are approaching graduation and the real world. Grading standards

correspondingly shift closer to the real world. While consequences for

poor performance is still merely a low grade, consequences in the real

world include unemployment.



For the "other" project, you will grade your peers.



## Special Note on Projects



Network applications require more than one party to be involved. These

parties might be called Client, Server or Peer representing Client /

Server and Peer to Peer applications.



In projects where you are required to write both a Client and a Server

or a Peer, you will have to balance writing two sides for every

feature implemented. For example, you cannot test the code you just

added to your client without also implementing something in the Server.

Similarly, you cannot test something you've just added to the Server

until you have implemented something in the Client.



In this way, network applications are bootstrapped side-by-side.



On the other hand, suppose you had a kind hearted sweet pushover for a

professor who assigned writing one side at a time and provided the

other side to you for testing. Boy that professor would get great

evaluations, wouldn't they?



## Grading Criteria



The following are the gradable categories along with their weighting.

Note that these values supersede those given in the published syllabus.



| Category | Weight |

| -------- | ------ |

| Attendance | 10 |

| Midterm - March 27th | 10 |

| Final  - May 23 1PM - 3PM | 10 |

| Projects | 70 |



Both exams will be administered on Schoology. The Final exam is

cumulative.



## Attendance is Graded



Attendance will be graded as follows:



* After 4 absences (i.e., starting at the fifth absence) each additional

absence will mean 1 points being deducted from your final aggregate

score.



* After 8 absences (i.e., starting at the ninth absence) each additional

absence will be 2 points being deducted from your final aggregate score.



For example:



* at 8 absences you will have lost 4 points from your aggregate score.



* At 10 absences you will have lost 8 points from your aggregate score.



* At 11 absences and beyond you will have lost 10 points from your

  aggregate score.



Your aggregate score is defined as the weighted average of course

grades. Students begin with an assumed perfect score for attendance.

At the end of the term, your final attendance record will be reflected

in an adjusted grade for attendance.



*Since attendance is graded, you must check to ensure your attendance

is captured accurately.*



## Projects will be Checked for Academic Honesty



As this is an advanced elective course withing the Carthage College

Computer Science program, the instructor will be on guard for academic

honesty violations.



* One violation will earn a score of zero for the project.



* Two violations will be reported to the Provost for disciplinary

consequences.



## Projects



| Project | Content | Location |

| ------- | ------- | -------- |

| P1 | UDP Blaster | [Here](./projects/p1) |

| P2 | Client Side Walkie Talkie | [Here](./projects/p2_and_p3/) |

| P3 | Server Side Walkie Talkie | [Here](./projects/p2_and_p3/) |

| P4 | Client Side Retro Chat | [Here](./projects/p4_and_p5/) |

| P5 | Server Side Retro Chat | [Here](./projects/p4_and_p5/) |

| P6 | Bong's Graph Algorithm | [Here](./projects/p6) |

| P7 | Fun! Fun! Fun! | [Here](./projects/p_last/) |



## Useful Links



| Topic | Link |

| ----- | ---- |

| getopt (external) | [Here](https://azrael.digipen.edu/~mmead/www/Courses/CS180/getopt.html) |

| getopt (mine) | [Here](./getopt/) |

| Beej's Guide | [Here]()|

| Installing Wireshark on Mac|[Here]()|

| Installing Wireshark on Win|[Here](https://www.wireshark.org/docs/wsug_html_chunked/ChBuildInstallWinInstall.html)|

| Practical Networking|[Here](https://www.practicalnetworking.net/series/)|