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allowed_fast_set

irontide_wire

Function allowed_fast_set 

Source 
pub fn allowed_fast_set(
    info_hash: &Id20,
    peer_ip: Ipv4Addr,
    num_pieces: u32,
    count: usize,
) -> Vec<u32>
Expand description

BEP 6 Allowed-Fast set generation.

Generates a deterministic set of piece indices that a peer is allowed to request even while choked. Uses IP masking + info_hash + SHA1.

For IPv4: masks to /24 (matching BEP 6 spec). For IPv6: masks to /48 (matching libtorrent convention).