stevekrouse

dlock

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Val Town is a collaborative website to build and scale JavaScript apps.

Deploy APIs, crons, & store data – all from the browser, and deployed in milliseconds.

dlock - free distributed lock as a service

https://dlock.univalent.net/

Usage

API

Acquire a lock.

The id path segment is the lock ID - choose your own.

https://dlock.univalent.net/lock/arbitrary-string/acquire?ttl=60

{"lease":1,"deadline":1655572186}

Another attempt to acquire the same lock within its TTL will fail with HTTP status code 409.

https://dlock.univalent.net/lock/01899dc0-2742-44f9-9c7b-01830851b299/acquire?ttl=60

{"error":"lock is acquired by another client","deadline":1655572186}

The previous lock can be renewed with its lease number, like a heartbeat

https://dlock.univalent.net/lock/01899dc0-2742-44f9-9c7b-01830851b299/acquire?ttl=60&lease=1

{"lease":1,"deadline":1655572824}

Release a lock

https://dlock.univalent.net/lock/01899dc0-2742-44f9-9c7b-01830851b299/release?lease=42

Migrated from folder: Archive/locks/dlock

Code