https://github.com/offchan42/idle-rq-unix

Idle RQ protocol implementation with troublesome communication channel
https://github.com/offchan42/idle-rq-unix

arq c error-handling idle-rq protocol unix

Last synced: about 2 months ago
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Idle RQ protocol implementation with troublesome communication channel

• Host: GitHub
• URL: https://github.com/offchan42/idle-rq-unix
• Owner: offchan42
• License: mit
• Created: 2017-05-02T15:34:26.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2017-05-02T15:47:42.000Z (almost 8 years ago)
• Last Synced: 2024-10-29T20:03:00.952Z (3 months ago)
• Topics: arq, c, error-handling, idle-rq, protocol, unix
• Language: C
• Size: 32.2 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README
  • License: LICENSE

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README

        
Idle RQ is normally implemented into the link layer as a protocol that control

errors from unreliable communication channel, but we are going to

implement this on the application layer with reliable communication channel

backend. How do we make it unreliable to test the error control scheme of Idle

RQ? The solution is to create a fake troublesome communication channel send()

API that might send or not send on demand. It might also corrupt your packet

information too! (I call packet as a frame in this work because the link layer

call it so)

# Details

server serves as secondary AKA receiver

client serves as primary AKA sender

but you need to run the server first!

first we need to define our frame structure

our frame is a short big (2 bytes)

the first 8 bits are for sending byte data and the last 8 bits are reserved

for header data

# Running

`make` for compilation on Unix

`./server` to start a server then

`./client` to connect to the server, don't forget to change the IP variable

inside client.c file if you don't want to use the default localhost stuff.