Struct WalFileShared 

pub struct WalFileShared {
    pub metadata: WalSharedMetadata,
    pub runtime: WalSharedRuntime,
}

WalFileShared holds process-wide WAL metadata plus process-local coordination state.

Fields

metadata: WalSharedMetadata

runtime: WalSharedRuntime

Implementations

impl WalFileShared

pub fn last_checksum_and_max_frame(&self) -> ((u32, u32), u64)

pub fn open_shared_if_exists( io: &Arc<dyn IO>, path: &str, flags: OpenFlags, ) -> Result<Arc<RwLock<WalFileShared>>>

pub fn open_shared_if_exists_begin( io: &Arc<dyn IO>, path: &str, flags: OpenFlags, ) -> Result<OpenSharedWal>

Non-blocking entry point for WalFileShared::open_shared_if_exists. Performs only the synchronous file open (and readonly/NotFound noop handling); the WAL recovery scan is driven via [OpenSharedWal::poll].

pub fn is_initialized(&self) -> Result<bool>

pub fn new_noop() -> Arc<RwLock<WalFileShared>>

pub fn page_size(&self) -> u32

pub fn replace_after_external_restore(&mut self, restored: WalFileShared)

Replace restored WAL state while preserving process-local locks owned by existing connections.

External restore paths rebuild metadata/cache/file state from disk while other connections may still hold read guards. Those guards are tied to the process-local lock objects, not to the restored on-disk WAL view, so replacing the lock objects would make normal end_read_tx unlock a fresh empty lock. Keep lock identity stable and refresh only state derived from storage.

Trait Implementations

impl Debug for WalFileShared

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

Formats the value using the given formatter.