Struct LeaseHolder 

pub struct LeaseHolder {
    pub key: [u8; 16],
    pub state: u32,
    pub epoch: u16,
    pub v2: bool,
    pub session_id: u64,
    pub file_id: [u8; 16],
    pub outbound: Sender<Vec<u8>>,
    pub crypto: BreakCrypto,
    pub client_guid: [u8; 16],
    pub breaking: bool,
    pub break_to: u32,
}

A granted caching lease and the means to break it ([MS-SMB2] §2.2.23.2).

Fields

key: [u8; 16]

Client-chosen lease key identifying the shared caching state.

state: u32

Currently granted lease state (caching bits).

epoch: u16

Lease epoch (v2), bumped on each downgrade.

v2: bool

True when the holder negotiated the v2 lease form.

session_id: u64

Session that holds the lease.

file_id: [u8; 16]

File id the lease was granted on (for per-open release).

outbound: Sender<Vec<u8>>

Outbound queue of the holder’s connection, to push the break.

crypto: BreakCrypto

Crypto material to protect the break notification.

client_guid: [u8; 16]

Client GUID that owns the lease, to validate a break acknowledgment.

breaking: bool

True while a break is outstanding and awaiting acknowledgment.

break_to: u32

The lease state the holder is being broken to (ack must be a subset).