CLI app TUI

[vimpunk]

We can use https://github.com/fdehau/tui-rs, it's incredible.

[vimpunk]

Render loop

• [x] engine alerts and user input drive the loop
• [x] spawn a blocking_task to read in events and communicate them to the main app task via mpsc
• [x] main loop selects on events rx and engine rx

Priority

• [x] show torrent metadata:
  • [x] name, info hash
  • [ ] start time, run duration
  • [x] storage info:
  • [x] torrent size
  • [x] number of pieces
  • [x] list of files with sizes
• [x] gauge for torrent progress
• [x] thruput rates (dl, ul, protocol): what to use?
  • sparkline: simplest, can we add labels?
  • or bar chart for more detail?
  • or maybe chart for most detail?

Secondary

Requires new APIs. Might be deferred until after MVP.

• [x] show completions for each file
• [ ] show errors
• [ ] list of peers with client id, ip:port, dl ul rate