Package index • CanardAbsurd

Database connections

Host a database, connect a client, and inspect the executing runtime.

ca_open(): Open a local workflow database
ca_serve(): Serve a workflow database over Quack
ca_connect(): Connect to a workflow server
ca_runtime(): Inspect the executing database runtime
ca_close(): Close a client or server

Native maintenance

Run bounded expired-lease maintenance in the database-owner process.

ca_coordinator_start(): Start native task maintenance
ca_coordinator_status(): Inspect native task maintenance
ca_coordinator_stop(): Stop native task maintenance

Task administration

ca_spawn(): Submit a durable task
ca_tasks(): List task metadata
ca_result(): Retrieve a completed task's result
ca_inspect(): Inspect a task
ca_cancel(): Cancel a nonterminal task

Workflow execution

ca_work(): Pull and execute R tasks
ca_claim(): Claim an eligible task
ca_run(): Execute one claimed workflow attempt
ca_step(): Execute or replay a named step
ca_sleep(): Suspend a workflow until a database-clock deadline
ca_heartbeat(): Extend a live task lease
ca_process(): Supervise an external command within a task lease
ca_complete(): Finish a claimed task
ca_fail(): Record a task failure
ca_conditions: Workflow conditions
ca_values: Native workflow values