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opencode v2 mirror
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36 kB · 919 lines
TypeScript
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export interface ProviderRequest { readonly url: string readonly body: unknown}
export type ProviderResponseEvent = | SimulationProtocol.Backend.Item | { readonly type: "finish"; readonly reason: SimulationProtocol.Backend.FinishReason }
export class ProviderDisconnectedError extends Schema.TaggedError<ProviderDisconnectedError>()( "SimulatedProvider.ProviderDisconnectedError", { message: Schema.String },) {}
export interface Interface { readonly stream: (request: ProviderRequest) => Stream.Stream<ProviderResponseEvent, ProviderDisconnectedError>}
export class Service extends Context.Service<Service, Interface>()("@opencode/simulation/SimulatedProvider") {}
interface ProviderInvocation extends ProviderRequest { readonly id: string}
interface PendingInvocation extends ProviderInvocation { readonly responses: Queue.Queue<ProviderResponseEvent, ProviderDisconnectedError | Cause.Done>}
interface State { readonly counter: number readonly pending: ReadonlyMap<string, PendingInvocation>}
interface Driver { readonly requests: Stream.Stream<ProviderInvocation> readonly push: ( id: string, items: readonly SimulationProtocol.Backend.Item[], ) => Effect.Effect<void, InvocationNotFoundError> readonly finish: ( id: string, reason: SimulationProtocol.Backend.FinishReason, ) => Effect.Effect<void, InvocationNotFoundError> readonly disconnect: (id: string) => Effect.Effect<void, InvocationNotFoundError> readonly pending: () => Effect.Effect<readonly ProviderInvocation[]>}
type ControlSocket = SimulationControlServer.Socket
interface ToolController { readonly socket: ControlSocket}
type ToolCompletion = | { readonly type: "success"; readonly output: SimulationProtocol.Backend.ToolOutput } | { readonly type: "failure"; readonly message: string }
interface PendingToolInvocation { readonly id: string readonly notification: SimulationProtocol.Backend.ToolInvocation readonly progress: Tool.Context["progress"] readonly completion: Deferred.Deferred<ToolCompletion> readonly operations: Semaphore.Semaphore update?: { readonly sequence: number; readonly fingerprint: string }}
interface ToolReconciliation { readonly generation: number readonly result: Deferred.Deferred<Exit.Exit<void, unknown>>}
interface ToolRegistrationUpdate { readonly generation: number readonly registrations: ReadonlyArray<SimulationProtocol.Backend.ToolRegistration>}
interface ToolState { readonly counter: number readonly generation: number readonly appliedGeneration: number readonly controller?: ToolController readonly registrations: ReadonlyArray<SimulationProtocol.Backend.ToolRegistration> readonly pending: ReadonlyMap<string, PendingToolInvocation> readonly completed: ReadonlyMap<string, string> readonly activeOverlays: ReadonlySet<object> readonly reconciliation: ReadonlyMap<object, ToolReconciliation>}
interface ToolDriver { readonly attach: ( socket: ControlSocket, registrations: ReadonlyArray<SimulationProtocol.Backend.ToolRegistration>, ) => Effect.Effect<{ readonly attached: true }, ToolControllerError> readonly update: ( socket: ControlSocket, params: SimulationProtocol.Backend.ToolUpdateParams, ) => Effect.Effect<void, ToolInvocationNotFoundError | ToolControllerError> readonly finish: ( socket: ControlSocket, params: SimulationProtocol.Backend.ToolFinishParams, ) => Effect.Effect<void, ToolInvocationNotFoundError | ToolControllerError> readonly fail: ( socket: ControlSocket, params: SimulationProtocol.Backend.ToolFailParams, ) => Effect.Effect<void, ToolInvocationNotFoundError | ToolControllerError> readonly release: (socket: ControlSocket) => Effect.Effect<void> readonly shutdown: Effect.Effect<void>}
class InvocationNotFoundError extends Schema.TaggedError<InvocationNotFoundError>()( "SimulatedProvider.InvocationNotFoundError", { id: Schema.String, message: Schema.String },) {}
class ControllerDisconnectedError extends Schema.TaggedError<ControllerDisconnectedError>()( "SimulatedProvider.ControllerDisconnectedError", { message: Schema.String },) {}
class ToolInvocationNotFoundError extends Schema.TaggedError<ToolInvocationNotFoundError>()( "SimulatedProvider.ToolInvocationNotFoundError", { id: Schema.String, message: Schema.String },) {}
class ToolControllerError extends Schema.TaggedError<ToolControllerError>()("SimulatedProvider.ToolControllerError", { message: Schema.String,}) {}
export const layerDrive = (options: { readonly endpoint: string; readonly version: string }) => Layer.effect( Service, Effect.gen(function* () { const state = yield* Ref.make<State>({ counter: 0, pending: new Map() }) const opened = yield* PubSub.unbounded<ProviderInvocation>() const lock = yield* Semaphore.make(1)
const close = (invocation: PendingInvocation) => Effect.gen(function* () { yield* Queue.shutdown(invocation.responses) yield* lock.withPermit( Ref.update(state, (current) => current.pending.get(invocation.id) === invocation ? remove(current, invocation.id) : current, ), ) })
yield* Effect.addFinalizer(() => Effect.gen(function* () { const current = yield* Ref.get(state) yield* Effect.forEach(current.pending.values(), (invocation) => Queue.shutdown(invocation.responses), { discard: true, }) yield* PubSub.shutdown(opened) }), )
const open = (request: ProviderRequest) => lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) const id = `inv_${current.counter + 1}` const responses = yield* Queue.bounded<ProviderResponseEvent, ProviderDisconnectedError | Cause.Done>(256) const invocation: PendingInvocation = { id, ...request, responses } yield* Ref.set(state, { counter: current.counter + 1, pending: new Map(current.pending).set(id, invocation), }) yield* PubSub.publish(opened, { id, ...request }) return invocation }), )
const requireInvocation = (id: string) => Effect.gen(function* () { const current = yield* Ref.get(state) const invocation = current.pending.get(id) if (invocation) return invocation return yield* Effect.fail( new InvocationNotFoundError({ id, message: `Simulated provider invocation not found or already finished: ${id}`, }), ) })
const remove = (current: State, id: string) => { const pending = new Map(current.pending) pending.delete(id) return { ...current, pending } }
const driver: Driver = { requests: Stream.unwrap( lock.withPermit( Effect.gen(function* () { const subscription = yield* PubSub.subscribe(opened) const current = yield* Ref.get(state) const pending = Array.from(current.pending.values(), ({ id, url, body }) => ({ id, url, body })) return Stream.concat(Stream.fromIterable(pending), Stream.fromEffectRepeat(PubSub.take(subscription))) }), ), ), push: (id, items) => Effect.gen(function* () { const invocation = yield* lock.withPermit(requireInvocation(id)) yield* Queue.offerAll(invocation.responses, items) }), finish: (id, reason) => Effect.gen(function* () { const invocation = yield* lock.withPermit( Effect.gen(function* () { const invocation = yield* requireInvocation(id) const current = yield* Ref.get(state) yield* Ref.set(state, remove(current, id)) return invocation }), ) yield* Queue.offer(invocation.responses, { type: "finish", reason }) yield* Queue.end(invocation.responses) }), disconnect: (id) => Effect.gen(function* () { const invocation = yield* lock.withPermit( Effect.gen(function* () { const invocation = yield* requireInvocation(id) const current = yield* Ref.get(state) yield* Ref.set(state, remove(current, id)) return invocation }), ) yield* Queue.fail( invocation.responses, new ProviderDisconnectedError({ message: "Simulated model provider disconnected" }), ) }), pending: () => lock.withPermit( Ref.get(state).pipe( Effect.map((current) => Array.from(current.pending.values(), ({ id, url, body }) => ({ id, url, body }))), ), ), }
const fibers = yield* FiberSet.make<void, unknown>() const activeController = yield* Ref.make<Fiber.Fiber<void> | undefined>(undefined) const controllerLock = yield* Semaphore.make(1) const tools = yield* makeToolDriver() yield* Effect.addFinalizer(() => tools.shutdown) yield* SimulationControlServer.start({ endpoint: options.endpoint, label: "opencode drive backend websocket", data: () => ({}), decode: SimulationProtocol.Backend.decodeRequestEffect, handle: (socket, request) => handle(driver, tools, fibers, activeController, controllerLock, socket, request, options.version), close: (socket) => Effect.all([releaseController(activeController, controllerLock, socket), tools.release(socket)], { discard: true, }), }) yield* Effect.sync(() => process.stderr.write(`opencode drive backend websocket: ${options.endpoint}\n`))
return Service.of({ stream: (request) => Stream.unwrap( Effect.acquireRelease(open(request), close).pipe( Effect.map((invocation) => Stream.fromQueue(invocation.responses).pipe(Stream.takeUntil((event) => event.type === "finish")), ), ), ), }) }), )
function handle( driver: Driver, tools: ToolDriver, fibers: FiberSet.FiberSet<void, unknown>, activeController: Ref.Ref<Fiber.Fiber<void> | undefined>, controllerLock: Semaphore.Semaphore, socket: ControlSocket, request: SimulationProtocol.Backend.Request, version: string,) { switch (request.method) { case "simulation.handshake": return SimulationProtocol.Handshake.dispatch( { role: "backend", server: { name: "opencode", version }, capabilities: SimulationProtocol.Backend.Capabilities, }, request.params, ) case "llm.attach": return controllerLock.withPermit( Effect.gen(function* () { if (socket.data.closed) return yield* Effect.fail( new ControllerDisconnectedError({ message: "Drive controller disconnected before attachment" }), ) const previous = yield* Ref.get(activeController) if (previous) yield* Fiber.interrupt(previous) const attachment = yield* FiberSet.run( fibers, driver.requests.pipe( Stream.runForEach((invocation) => socket.send(JSON.stringify({ jsonrpc: "2.0", method: "llm.request", params: invocation })), ), ), ) if (socket.data.closed) { yield* Fiber.interrupt(attachment) return yield* Effect.fail( new ControllerDisconnectedError({ message: "Drive controller disconnected during attachment" }), ) } socket.data.attachment = attachment yield* Ref.set(activeController, attachment) return { attached: true } }), ) case "llm.chunk": return driver.push(request.params.id, request.params.items).pipe(Effect.as({ ok: true })) case "llm.finish": return driver.finish(request.params.id, request.params.reason).pipe(Effect.as({ ok: true })) case "llm.disconnect": return driver.disconnect(request.params.id).pipe(Effect.as({ ok: true })) case "llm.pending": return driver.pending().pipe(Effect.map((invocations) => ({ invocations }))) case "tool.attach": return tools.attach(socket, request.params.tools) case "tool.update": return tools.update(socket, request.params).pipe(Effect.as({ ok: true })) case "tool.finish": return tools.finish(socket, request.params).pipe(Effect.as({ ok: true })) case "tool.fail": return tools.fail(socket, request.params).pipe(Effect.as({ ok: true })) }}
const makeToolDriver = Effect.fn("SimulatedProvider.makeToolDriver")(function* () { const completedRetention = 256 const plugins = yield* SdkPlugins.Service const state = yield* Ref.make<ToolState>({ counter: 0, generation: 0, appliedGeneration: 0, registrations: [], pending: new Map(), completed: new Map(), activeOverlays: new Set(), reconciliation: new Map(), }) const registrationUpdates = yield* PubSub.unbounded<ToolRegistrationUpdate>() const lock = yield* Semaphore.make(1) const attachmentLock = yield* Semaphore.make(1)
const remove = (current: ToolState, id: string) => { const pending = new Map(current.pending) pending.delete(id) return { ...current, pending } }
const complete = (current: ToolState, id: string, completion: string) => { const completed = new Map(current.completed) completed.set(id, completion) if (completed.size > completedRetention) { const oldest = completed.keys().next().value if (oldest !== undefined) completed.delete(oldest) } return { ...remove(current, id), completed } }
const notify = ( socket: ControlSocket, method: "tool.invocation" | "tool.cancel", params: SimulationProtocol.Backend.ToolInvocation | SimulationProtocol.Backend.ToolCancellation, ) => socket.send(JSON.stringify({ jsonrpc: "2.0", method, params }))
const requireController = (socket: ControlSocket) => Effect.gen(function* () { const current = yield* Ref.get(state) if (current.controller?.socket === socket) return current return yield* Effect.fail(new ToolControllerError({ message: "Drive tool controller is not attached" })) })
const requireInvocation = (socket: ControlSocket, id: string) => Effect.gen(function* () { const current = yield* requireController(socket) const invocation = current.pending.get(id) if (invocation) return { current, invocation } return yield* Effect.fail( new ToolInvocationNotFoundError({ id, message: `Simulated tool invocation not found or already finished: ${id}`, }), ) })
const cancel = (id: string) => Effect.gen(function* () { const invocation = yield* lock.withPermit(Ref.get(state).pipe(Effect.map((current) => current.pending.get(id)))) if (!invocation) return yield* invocation.operations.withPermit( lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) if (current.pending.get(id) !== invocation) return yield* Ref.set(state, remove(current, id)) if (current.controller && !current.controller.socket.data.closed) yield* notify(current.controller.socket, "tool.cancel", { id, reason: "interrupted" }) }), ), ) })
const invoke = ( registrationGeneration: number, name: string, input: unknown, context: Tool.Context, ): Effect.Effect<Tool.Result, Tool.Error> => Effect.gen(function* () { const encoded = yield* Schema.decodeUnknownEffect(Schema.Json)(input).pipe( Effect.mapError((error) => new Tool.Error({ message: `Simulated tool input is not JSON: ${error.message}` })), ) const invocation = yield* Effect.uninterruptibleMask((restore) => attachmentLock .withPermit( lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) if (current.generation !== registrationGeneration) yield* Effect.fail( new Tool.Error({ message: `Simulated tool registration is no longer active: ${name}` }), ) const id = `tool_${current.counter + 1}` const completion = yield* Deferred.make<ToolCompletion>() const notification: SimulationProtocol.Backend.ToolInvocation = { id, name, input: encoded, context: { sessionID: context.sessionID, agent: context.agent, messageID: context.messageID, id: context.id, }, } const pending: PendingToolInvocation = { id, notification, progress: context.progress, completion, operations: Semaphore.makeUnsafe(1), } yield* Ref.set(state, { counter: current.counter + 1, generation: current.generation, appliedGeneration: current.appliedGeneration, ...(current.controller === undefined ? {} : { controller: current.controller }), registrations: current.registrations, pending: new Map(current.pending).set(id, pending), completed: current.completed, activeOverlays: current.activeOverlays, reconciliation: current.reconciliation, }) if (current.controller && !current.controller.socket.data.closed) yield* notify(current.controller.socket, "tool.invocation", notification) return pending }), ), ) .pipe( Effect.flatMap((pending) => restore(Deferred.await(pending.completion)).pipe( Effect.onInterrupt(() => cancel(pending.id)), Effect.ensuring( lock.withPermit( Ref.update(state, (current) => current.pending.get(pending.id) === pending ? remove(current, pending.id) : current, ), ), ), ), ), ), ) // The simulation wire protocol keeps its historical field names; map to the // canonical output at this boundary. if (invocation.type === "success") return { output: invocation.output.structured, ...(invocation.output.content.length === 0 ? {} : { content: invocation.output.content.map((part) => part.type === "text" ? part : { type: "file" as const, uri: `data:${part.mime};base64,${part.data}`, mime: part.mime, ...(part.name === undefined ? {} : { name: part.name }), }, ), }), } return yield* new Tool.Error({ message: invocation.message }) })
yield* plugins.register( Plugin.define({ id: "opencode.simulation.tools", effect: (ctx) => Effect.gen(function* () { const scope = yield* Scope.Scope const token = {} const registrationLock = Semaphore.makeUnsafe(1) let currentScope: Scope.Closeable | undefined const reconcile = ( generation: number, nextRegistrations: ReadonlyArray<SimulationProtocol.Backend.ToolRegistration>, ) => registrationLock.withPermit( Effect.gen(function* () { const nextScope = yield* Scope.fork(scope) const applied = yield* Effect.exit( ctx.tool .transform((draft) => { for (const registration of nextRegistrations) draft.add({ name: registration.name, options: registration.permission === undefined ? registration.options : { ...registration.options, permission: registration.permission }, description: registration.description, input: registration.inputSchema, output: registration.outputSchema ?? {}, execute: (input, context) => invoke( generation, SimulationProtocol.Backend.exposedToolName(registration), input, context, ), }) }) .pipe(Scope.provide(nextScope)), ) if (Exit.isFailure(applied)) { yield* Scope.close(nextScope, applied) yield* Effect.failCause(applied.cause) } const previousScope = currentScope currentScope = nextScope if (previousScope) yield* Scope.close(previousScope, Exit.void) }), )
const acknowledge = (generation: number, result: Exit.Exit<void, unknown>) => lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) const reconciliation = current.reconciliation.get(token) if (reconciliation?.generation !== generation) return yield* Deferred.succeed(reconciliation.result, result) }), )
const initialized = yield* lock.withPermit( Effect.gen(function* () { const subscription = yield* PubSub.subscribe(registrationUpdates) const current = yield* Ref.get(state) const activeOverlays = new Set(current.activeOverlays).add(token) yield* Ref.set(state, { ...current, activeOverlays }) return { subscription, generation: current.generation, registrations: current.registrations } }), ) yield* Effect.addFinalizer(() => lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) const activeOverlays = new Set(current.activeOverlays) activeOverlays.delete(token) const reconciliation = new Map(current.reconciliation) const pending = reconciliation.get(token) reconciliation.delete(token) yield* Ref.set(state, { ...current, activeOverlays, reconciliation }) if (pending) yield* Deferred.succeed(pending.result, Exit.void) }), ), ) yield* reconcile(initialized.generation, initialized.registrations) yield* Stream.fromEffectRepeat(PubSub.take(initialized.subscription)).pipe( Stream.runForEach((update) => Effect.gen(function* () { const result = yield* Effect.exit(reconcile(update.generation, update.registrations)) yield* acknowledge(update.generation, result) }), ), Effect.forkScoped({ startImmediately: true }), ) }), }), )
const reconcileRegistrations = ( controller: ToolController | undefined, registrations: ReadonlyArray<SimulationProtocol.Backend.ToolRegistration>, targetGeneration?: number, ) => Effect.gen(function* () { const reconciliation = yield* lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) const generation = targetGeneration ?? current.generation + 1 const reconciliation = new Map<object, ToolReconciliation>() for (const token of current.activeOverlays) reconciliation.set(token, { generation, result: Deferred.makeUnsafe<Exit.Exit<void, unknown>>(), }) yield* Ref.set(state, { counter: current.counter, generation, appliedGeneration: current.appliedGeneration, ...(controller === undefined ? {} : { controller }), registrations, pending: current.pending, completed: current.completed, activeOverlays: current.activeOverlays, reconciliation, }) yield* PubSub.publish(registrationUpdates, { generation, registrations }) return { generation, previous: current, reconciliation } }), ) const results = yield* Effect.forEach(reconciliation.reconciliation.values(), (item) => Deferred.await(item.result), ) const failure = results.find(Exit.isFailure) yield* lock.withPermit( Ref.update(state, (current) => current.generation === reconciliation.generation ? { ...current, ...(failure === undefined ? { appliedGeneration: reconciliation.generation } : {}), reconciliation: new Map(), } : current, ), ) return { failure, previous: reconciliation.previous } })
const attach: ToolDriver["attach"] = (socket, registrations) => attachmentLock.withPermit( Effect.gen(function* () { if (socket.data.closed) return yield* Effect.fail( new ToolControllerError({ message: "Drive tool controller disconnected before attachment" }), ) const current = yield* Ref.get(state) if (current.controller && current.controller.socket !== socket && !current.controller.socket.data.closed) return yield* Effect.fail( new ToolControllerError({ message: "Another Drive tool controller is already attached" }), ) const controller: ToolController = { socket } const replay = current.controller?.socket !== socket const sameRegistrations = current.appliedGeneration === current.generation && fingerprintJson(current.registrations) === fingerprintJson(registrations) if (replay && current.pending.size > 0 && !sameRegistrations) return yield* Effect.fail( new ToolControllerError({ message: "A reconnecting Drive tool controller must settle pending invocations before replacing tools", }), ) if (sameRegistrations) { yield* lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) yield* Ref.set(state, { ...current, controller }) if (replay) yield* Effect.forEach( current.pending.values(), (invocation) => notify(socket, "tool.invocation", invocation.notification), { discard: true }, ) }), ) return { attached: true as const } } const reconciled = yield* reconcileRegistrations(controller, registrations) if (reconciled.failure) { const rolledBack = yield* reconcileRegistrations( reconciled.previous.controller, reconciled.previous.registrations, reconciled.previous.generation, ) return yield* Effect.fail( new ToolControllerError({ message: rolledBack.failure ? `Failed to apply and restore simulated tools: ${Cause.pretty(reconciled.failure.cause)}; ${Cause.pretty(rolledBack.failure.cause)}` : `Failed to apply simulated tools: ${Cause.pretty(reconciled.failure.cause)}`, }), ) } if (replay) yield* lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) if (current.controller?.socket !== socket) return yield* Effect.forEach( current.pending.values(), (invocation) => notify(socket, "tool.invocation", invocation.notification), { discard: true }, ) }), ) return { attached: true as const } }), )
const update: ToolDriver["update"] = (socket, params) => Effect.gen(function* () { const { invocation } = yield* lock.withPermit(requireInvocation(socket, params.id)) yield* invocation.operations.withPermit( Effect.gen(function* () { const current = yield* lock.withPermit(Ref.get(state)) if (current.pending.get(params.id) !== invocation) yield* Effect.fail( new ToolInvocationNotFoundError({ id: params.id, message: `Simulated tool invocation not found or already finished: ${params.id}`, }), ) const fingerprint = fingerprintJson(params.update) const applied = invocation.update if (applied?.sequence === params.sequence && applied.fingerprint === fingerprint) return if (applied?.sequence === params.sequence) yield* Effect.fail( new ToolControllerError({ message: `Simulated tool update sequence ${params.sequence} was reused with different progress`, }), ) const expected = applied === undefined ? 0 : applied.sequence + 1 if (params.sequence !== expected) yield* Effect.fail( new ToolControllerError({ message: `Expected simulated tool update sequence ${expected}, received ${params.sequence}`, }), ) yield* invocation.progress(params.update) invocation.update = { sequence: params.sequence, fingerprint } }), ) })
const settle = (socket: ControlSocket, id: string, completion: ToolCompletion) => Effect.gen(function* () { const current = yield* lock.withPermit(requireController(socket)) const fingerprint = fingerprintJson(completion) const invocation = current.pending.get(id) if (!invocation) { if (current.completed.get(id) === fingerprint) return yield* Effect.fail( new ToolInvocationNotFoundError({ id, message: `Simulated tool invocation not found or already finished: ${id}`, }), ) return } yield* invocation.operations.withPermit( Effect.uninterruptible( lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) if (current.pending.get(id) !== invocation) { if (current.completed.get(id) === fingerprint) return yield* Effect.fail( new ToolInvocationNotFoundError({ id, message: `Simulated tool invocation not found or already finished: ${id}`, }), ) return } yield* Ref.set(state, complete(current, id, fingerprint)) yield* Deferred.succeed(invocation.completion, completion) }), ), ), ) })
const release: ToolDriver["release"] = (socket) => attachmentLock.withPermit( lock.withPermit( Ref.update( state, (current): ToolState => current.controller?.socket !== socket ? current : { counter: current.counter, generation: current.generation, appliedGeneration: current.appliedGeneration, registrations: current.registrations, pending: current.pending, completed: current.completed, activeOverlays: current.activeOverlays, reconciliation: current.reconciliation, }, ), ), )
const shutdown = attachmentLock.withPermit( Effect.gen(function* () { yield* reconcileRegistrations(undefined, []) const current = yield* lock.withPermit( Effect.gen(function* () { const current = yield* Ref.get(state) yield* Ref.set(state, { counter: current.counter, generation: current.generation, appliedGeneration: current.appliedGeneration, registrations: [], pending: new Map(), completed: current.completed, activeOverlays: new Set<object>(), reconciliation: new Map(), }) return current }), ) yield* Effect.forEach( current.pending.values(), (invocation) => Deferred.succeed(invocation.completion, { type: "failure", message: "Simulated tool controller shut down", }), { discard: true }, ) yield* PubSub.shutdown(registrationUpdates) }), )
return { attach, update, finish: (socket, params) => settle(socket, params.id, { type: "success", output: params.output }), fail: (socket, params) => settle(socket, params.id, { type: "failure", message: params.message }), release, shutdown, } satisfies ToolDriver})
function canonicalJson(value: unknown): string { if (Array.isArray(value)) return `[${value.map(canonicalJson).join(",")}]` if (typeof value === "object" && value !== null) { const entries = Object.entries(value).sort(([left], [right]) => left.localeCompare(right)) return `{${entries.map(([key, item]) => `${JSON.stringify(key)}:${canonicalJson(item)}`).join(",")}}` } return JSON.stringify(value) ?? String(value)}
function fingerprintJson(value: unknown) { return createHash("sha256").update(canonicalJson(value)).digest("base64url")}
function releaseController( activeController: Ref.Ref<Fiber.Fiber<void> | undefined>, controllerLock: Semaphore.Semaphore, socket: ControlSocket,) { return controllerLock.withPermit( Effect.gen(function* () { const attachment = socket.data.attachment if (!attachment) return yield* Fiber.interrupt(attachment) yield* Ref.update(activeController, (active) => (active === attachment ? undefined : active)) }), )}
export * as SimulatedProvider from "./simulated-provider"