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Q42VolumeHeader

qualia_core_db::q42::q42_volume

Struct Q42VolumeHeader 

Source 
#[repr(C, packed(1))]
pub struct Q42VolumeHeader {
Show 23 fields
    pub magic: [u8; 4],
    pub version: u16,
    pub flags: u16,
    pub lex_offset: u64,
    pub lex_length: u64,
    pub bidx_offset: u64,
    pub bidx_length: u64,
    pub block_dir_offset: u64,
    pub block_dir_length: u64,
    pub data_offset: u64,
    pub data_length: u64,
    pub block_count: u64,
    pub block_size: u32,
    pub quins_per_block: u32,
    pub temporal_index_offset: u64,
    pub temporal_index_length: u64,
    pub merkle_root: [u8; 32],
    pub assertion_timestamp: u64,
    pub dag_root_offset: u64,
    pub dag_root_length: u64,
    pub natural_person_did_offset: u64,
    pub software_agent_did_offset: u64,
    pub _reserved: [u8; 80],

}
Expand description

Q42 volume header — 256 bytes, repr(C, packed). v3 builds hard-reject files with version < 3 — run q42 migrate meta first.

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§magic: [u8; 4]§version: u16§flags: u16§lex_offset: u64§lex_length: u64§bidx_offset: u64§bidx_length: u64§block_dir_offset: u64§block_dir_length: u64§data_offset: u64§data_length: u64§block_count: u64§block_size: u32§quins_per_block: u32§temporal_index_offset: u64§temporal_index_length: u64§merkle_root: [u8; 32]§assertion_timestamp: u64§dag_root_offset: u64§dag_root_length: u64§natural_person_did_offset: u64§software_agent_did_offset: u64§_reserved: [u8; 80]

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impl Q42VolumeHeader

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pub fn verify_version(&self) -> Result<(), String>

Reject v2 files. Call before any read/write on a mapped header.

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pub fn new_v3( lex_offset: u64, lex_length: u64, bidx_offset: u64, bidx_length: u64, block_dir_offset: u64, block_dir_length: u64, data_offset: u64, data_length: u64, block_count: u64, block_size: u32, quins_per_block: u32, ) -> Self

Build a minimal valid v3 header with all extension fields zeroed.

Trait Implementations§

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impl Clone for Q42VolumeHeader

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fn clone(&self) -> Q42VolumeHeader

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for Q42VolumeHeader

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

Formats the value using the given formatter. Read more
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impl Copy for Q42VolumeHeader

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