irontide-core 1.0.1

Core types for BitTorrent: hashes, metainfo, magnets, piece arithmetic
Documentation 
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use serde::{Deserialize, Serialize};

/// How torrent files are allocated on disk.
///
/// Matches libtorrent's `storage_mode_t`.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Default, Serialize, Deserialize)]
pub enum StorageMode {
    /// Auto-select: mmap on 64-bit, pread/pwrite on 32-bit.
    #[default]
    Auto,
    /// Sparse file allocation (`set_len`, no pre-allocation).
    Sparse,
    /// Full pre-allocation (fallocate / write zeros).
    Full,
    /// Memory-mapped file I/O (64-bit recommended).
    Mmap,
    /// `io_uring` kernel-bypass I/O (Linux 5.6+).
    /// Falls back to standard I/O when `io_uring` is unavailable.
    IoUring,
    /// IOCP kernel async I/O (Windows).
    /// Falls back to standard I/O when IOCP is unavailable.
    Iocp,
}