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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 26x 73x 73x 73x 73x 73x 73x | /**
* Lock-owner state record for NFSv4 LOCK operations.
* A lock-owner represents a single entity (process, thread) on a client
* that can acquire byte-range locks on files. Tracks all locks held by this owner.
*/
export class LockOwnerState {
constructor(
/**
* Client ID that owns this lock-owner.
* Links the owner back to the specific NFS client that created it.
*/
public readonly clientid: bigint,
/**
* Opaque lock-owner identifier provided by the client.
* Typically represents a process or thread ID on the client.
* Combined with clientid, uniquely identifies this lock-owner.
*/
public readonly owner: Uint8Array,
/**
* Sequence number for operations from this lock-owner.
* Used to serialize LOCK/LOCKU operations.
* Incremented after each successful stateful operation.
* Server rejects operations with incorrect sequence numbers to prevent replays.
*/
public seqid: number,
/**
* Set of lock keys for all byte-range locks currently held by this owner.
* Format: lock keys are `${stateid}:${offset}:${length}`.
* Used to track all active locks and clean them up if the owner goes away.
*/
public readonly locks: Set<string> = new Set(),
/**
* Cached response from the last successful operation.
* Per RFC 7530 ยง9.1.7, when a client retries with the same seqid (replay),
* the server must return the cached response instead of re-executing the operation.
* This ensures idempotency for LOCK and LOCKU operations.
*/
public lastResponse?: any,
/**
* Signature of the last request to validate true replays.
* Used to detect mismatched replays where the client reuses a seqid but changes
* the request parameters, which must be rejected with NFS4ERR_BAD_SEQID.
*/
public lastRequestKey?: string,
) {}
}
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