torro

torro

a BitTorrent client for the purposes of learning Go.

TODO

Bencoding

• Some files are not being parsed correctly. We need to test parser on a larger set of .torrent files.

Tracker Protocol

• Support UDP trackers

P2P

• Handshake message needs to be sent.
• All other messages need to be sent/received through a state machine.
• Need to design concurrent goroutines for handling clients.

File Handling

• Need to write pieces to a memory mapped file.
• If some files are finished but others are not, the finished files should be fully accessible on the filesystem.
• Unfinished files should end in .part extension

Database

• Store file/transfer metadata in a central database. sqlite?
• Explore whether to use an ORM.
• Should there be a separate config/settings file?

Command Line

• Start a background daemon that can download and upload files
• Commands
  • Start
  • Pause
  • Delete
  • List

Console UI

• Explore using Termbox and Termui

Web API

• Should this be REST or WebSocket based?

Web UI

• React-based UI
• Webpack
• es6 with Babel
• Browser notifications
• d3 Visualizations

Resources

• Bittorrent Protocol Specification v1.0
• Kristen Widman - How to Write a Bittorrent Client