63 lines
2.4 KiB
TypeScript
63 lines
2.4 KiB
TypeScript
/**
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* Versionless, structured-clone wire protocol between co-shipped host and worker code. The host
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* treats inbound traffic as hostile because model code can forge `parentPort` messages; the
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* worker trusts host replies.
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* @module @deepseek-ai/dsh-code-runtime-worker/src/protocol
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*/
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/** What the host hands the worker at spawn, via `workerData`. */
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export interface WorkerBootData {
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/** The type-stripped (plain JS) program body. */
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code: string
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/** Binding namespaces to materialize: the global name plus the function names (functions themselves stay host-side). */
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namespaces: { global: string; names: string[] }[]
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/** Hard cap for the combined serialized outer logs plus completion value or failure diagnostic. */
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maxOutputBytes: number
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}
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/** Worker → host: one bridged binding call. */
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interface CallMessage {
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type: 'call'
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/** Worker-issued correlation id; the host answers each id at most once and ignores duplicates. */
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id: number
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/** The namespace global the call targets. */
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global: string
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/** The function name within the namespace. */
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name: string
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/** The single argument, structured-clone-plain. */
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args: unknown
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}
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/** Worker → host: captured text, streamed eagerly so output survives a mid-run termination (timeout, abort, OOM). */
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interface LogMessage {
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type: 'log'
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text: string
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}
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/** Worker → host: worker-side capture or completion measurement exceeded the outer cap. */
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interface OutputLimitMessage {
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type: 'output-limit'
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}
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/**
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* Worker → host: the program settled. `error` carries a program exception
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* (the only failure the bootstrap itself can report — budgets, aborts, and
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* substrate death are observed host-side). `value` is present only on a
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* clean completion that produced one (already size-capped and
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* clone-safe per the bootstrap's value preparation). Logs are NOT carried
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* here — they streamed eagerly as {@link LogMessage}s.
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*/
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export interface DoneMessage {
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type: 'done'
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value?: unknown
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error?: { kind: 'exception' | 'invalid-output' | 'output-limit'; message: string }
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}
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/** Every message the worker sends. */
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export type WorkerToHost = CallMessage | LogMessage | OutputLimitMessage | DoneMessage
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/** Host → worker: the answer to one {@link CallMessage}. */
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export type ReplyMessage =
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| { type: 'reply'; id: number; ok: true; value: unknown }
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| { type: 'reply'; id: number; ok: false; message: string }
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