/csc521

The code of exercises in course "CSC521 - Communication Protocols."

Primary LanguageC

CSC521 - Communication Protocols

This repository is the laboratories and exercises of the course CSC521 at the National University of Kaohsiung.

Focused Topic

Lab1 - The basic development of pcap library

  • The building system
  • Listing network interfaces
  • Sending packets
  • Receiving packets

Lab2 - Link layer protocols

  • Address Resolution Protocol(ARP)
  • ARP request
  • ARP reply

Lab3 - Network layer protocols

  • Parital of Internet Protocol(IP)
  • Partial of Internet Control Message Protocol(ICMP)
  • ICMP echo request
  • ICMP echo reply

Lab4 - Transport layer protocols

  • User Datagram Protocol(UDP)
  • Partial of Transmission Contorl Protocl(TCP)
  • Partial of Domain Name System(DNS)
  • The complete DNS resolver

Dependency

  • libpcap

TODO

  • Refactor IP layer and UDP/TCP layer to reduce the coupling from upper-layers
  • Enlarge the tosend_queue to avoid overwriting on sending packets
  • Unify the naming