eve/dist/src/execution/tasks/parent/run-parent.js

Filesystem-first framework for durable backend AI agents that run anywhere.

import{startWorkflowOnCurrentDeployment,taskRunWorkflowReference,waitForCommandHookOwner}from"#execution/workflow-runtime.js";import{getRun,resumeHook}from"#internal/workflow/runtime.js";import{isTaskWorkflowTargetGone}from"#execution/tasks/workflow-target.js";import{TASK_VIEW_STREAM_NAMESPACE}from"#tasks/types.js";const TASK_VIEW_READ_TIMEOUT_MS=1e4;async function startTaskRun(e){await startWorkflowOnCurrentDeployment(taskRunWorkflowReference,[e])}async function waitForTaskCommandOwner(e){return await waitForCommandHookOwner(e.taskInboxToken)}async function sendTaskCommand(e){return await sendTaskCommandToOwner(e)===void 0?`unreachable`:`delivered`}async function sendTaskCommandToOwner(e){let t={command:e.command,kind:`task-command`},n=Math.max(1,e.retryUnreachable?.attempts??1);for(let r=0;;r+=1)try{let n=await resumeHook(e.taskInboxToken,t);if(typeof n!=`object`||!n||!(`runId`in n)||typeof n.runId!=`string`)throw Error(`Task inbox hook "${e.taskInboxToken}" returned no owner run id.`);return{runId:n.runId}}catch(t){if(!isTaskWorkflowTargetGone(t))throw t;if(r+1>=n)return;await new Promise(t=>setTimeout(t,e.retryUnreachable?.delayMs??250))}}async function sendTaskInboundPayload(e){try{return await resumeHook(e.taskInboxToken,e.payload),`delivered`}catch(e){if(!isTaskWorkflowTargetGone(e))throw e;return`unreachable`}}async function readLatestTaskView(e){let t=getRun(e.taskRunId).getReadable({namespace:TASK_VIEW_STREAM_NAMESPACE,startIndex:-1}),n=await t.getTailIndex(),r=t.getReader();try{return n<0?void 0:await readWithTimeout(r,`latest task view`)}finally{await r.cancel(`eve task view read complete`).catch(()=>{}),r.releaseLock()}}async function readWithTimeout(e,t){let n;try{let r=await Promise.race([e.read().then(e=>({kind:`read`,read:e})),new Promise(e=>{n=setTimeout(()=>e({kind:`timeout`}),TASK_VIEW_READ_TIMEOUT_MS)})]);if(r.kind===`timeout`)throw Error(`Timed out reading ${t} after ${TASK_VIEW_READ_TIMEOUT_MS}ms.`);return r.read.done?void 0:r.read.value}finally{n!==void 0&&clearTimeout(n)}}export{readLatestTaskView,sendTaskCommand,sendTaskCommandToOwner,sendTaskInboundPayload,startTaskRun,waitForTaskCommandOwner};