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FileSync-Systems

Projects from my 3rd-year Systems Programming course at the National and Kapodistrian University of Athens.

This repository contains two file synchronization systems:

  • FSS (FileSync System): Synchronizes local directories using Linux system calls, processes, and inotify.
  • NFS (Network FileSync System): Synchronizes remote directories over the network using TCP sockets and threads.

🗂 Local FileSync System (fss/)

Monitors source directories and mirrors changes to target directories in real time. Built using:

  • inotify for filesystem events
  • fork/exec for spawning worker processes
  • Named pipes for communication between manager and console

Supports commands like add, sync, cancel, status, and shutdown. Includes a bash script for reporting and cleanup.

📎 See full details →

🌐 Network FileSync System (nfs/)

Enables directory synchronization across machines over TCP. Components:

  • nfs_manager: Coordinates tasks and threads
  • nfs_client: Passive server for file operations
  • nfs_console: User interface over TCP

Uses worker threads and a shared task queue to manage parallel file transfers. Clients support LIST, PULL, and PUSH commands.

📎 See full details →