Struct PiecePicker 

pub struct PiecePicker { /* private fields */ }

Which pieces are held, in flight and available where.

Implementations

impl PiecePicker

pub fn new(have: Bitfield) -> Self

Picker over have (pieces already held locally).

pub fn add_peer(&mut self, peer: &str, has: Bitfield)

A peer joined with this holding.

pub fn remove_peer(&mut self, peer: &str)

A peer is gone: its holdings stop counting and its in-flight pieces return to the pool.

pub fn peer_lacks(&mut self, peer: &str, i: u32)

The peer says it cannot supply piece i after all.

pub fn availability(&self, i: u32) -> usize

Live peers holding piece i.

pub fn pick(&mut self, peer: &str) -> Pick

Next piece for peer, claiming it (see Pick).

pub fn complete(&mut self, i: u32)

Piece i arrived and verified.

pub fn release(&mut self, i: u32)

Piece i was not delivered: back to the pool.

pub fn is_complete(&self) -> bool

True when every piece is held.

pub fn missing(&self) -> u32

Pieces still missing.

pub fn unavailable(&self) -> usize

Missing pieces no live peer holds.

Trait Implementations

impl Clone for PiecePicker

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PiecePicker

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.