mirror of
https://github.com/aiclientproxy/proxycast.git
synced 2026-10-16 15:34:08 +08:00
1293 lines
38 KiB
TypeScript
1293 lines
38 KiB
TypeScript
import {
|
||
AppServerRequestError,
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AppServerSidecarLifecycle,
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||
cancelRequest,
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||
decodeMessage,
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||
defaultReleaseManifestPath,
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encodeMessage,
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isJsonRpcNotification,
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isJsonRpcResponse,
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||
isJsonRpcErrorResponse,
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||
METHOD_AGENT_MESSAGE_DELTA,
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METHOD_INITIALIZE,
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||
METHOD_INITIALIZED,
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METHOD_ITEM_COMPLETED,
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METHOD_ITEM_STARTED,
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METHOD_MCP_TOOL_CALL_PROGRESS,
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METHOD_MODEL_LIST_UPDATED,
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METHOD_THREAD_STARTED,
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METHOD_THREAD_TOKEN_USAGE_UPDATED,
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METHOD_TURN_COMPLETED,
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METHOD_TURN_STARTED,
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METHOD_WORKSPACE_RIGHT_SURFACE_PENDING_CHANGED,
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readReleaseManifest,
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resolveSidecarFromReleaseManifest,
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stdioSidecar,
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type AppServerRequestOptions,
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type AppServerRequestResult,
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type ConnectedAppServerSidecar,
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type InitializeResponse,
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type InitializeParams,
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type JsonRpcRequest,
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type JsonRpcMessage,
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type RequestId,
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type SidecarLaunchConfig,
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} from "@limecloud/app-server-client";
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import { app, session } from "./electronRuntime";
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import { resolveCurrentDesktopStorageRoots } from "./appDataPaths";
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import { appendFileSync, readFileSync } from "node:fs";
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import { randomUUID } from "node:crypto";
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import path from "node:path";
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import { tryHandleCurrentTimeRead } from "./appServerCurrentTimeHost";
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import {
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AppServerDynamicToolHost,
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type DynamicToolOwnerContext,
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} from "./appServerDynamicToolHost";
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import type { ElectronBrowserTabHost } from "./browserTabHost";
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const DEFAULT_APP_SERVER_REQUEST_TIMEOUT_MS = 30_000;
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const APP_SERVER_BACKEND_TIMEOUT_GRACE_MS = 30_000;
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const APP_SERVER_TURN_START_METHOD = "turn/start";
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const APP_SERVER_CONVERSATION_IMPORT_THREAD_COMMIT_METHOD =
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"conversationImport/thread/commit";
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const APP_SERVER_CONVERSATION_IMPORT_JOB_READ_METHOD =
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"conversationImport/job/read";
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const APP_SERVER_CONVERSATION_IMPORT_THREAD_COMMIT_TIMEOUT_MS = 180_000;
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const APP_SERVER_CONVERSATION_IMPORT_SCAN_TIMEOUT_MS = 120_000;
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const APP_SERVER_CONVERSATION_IMPORT_PREVIEW_TIMEOUT_MS = 120_000;
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const APP_SERVER_REQUEST_TIMEOUT_OVERRIDE_CEILING_MS = 600_000;
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const APP_SERVER_PROXY_REQUEST_ID_PREFIX = "electron-host";
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const APP_SERVER_CANCEL_REQUEST_METHOD = "$/cancelRequest";
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const APP_SERVER_CONFIG_FILE_NAME = "config.yaml";
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const APP_SERVER_RECENT_NOTIFICATION_LIMIT = 500;
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const APP_SERVER_SERVER_REQUEST_TOKEN_LIMIT = 500;
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const APP_SERVER_SERVER_REQUEST_TOKEN_PREFIX = "electron-action:";
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const APP_SERVER_DRAIN_FIRST_MESSAGE_WAIT_MS = 25;
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const APP_SERVER_DRAIN_BUFFERED_MESSAGE_WAIT_MS = 0;
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const APP_SERVER_RESTART_MAX_ATTEMPTS = 3;
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const APP_SERVER_PROXY_PROBE_URL = "https://llm.limeai.run/v1/models";
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const APP_SERVER_PROXY_ENV_KEYS = [
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"HTTP_PROXY",
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"HTTPS_PROXY",
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"ALL_PROXY",
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"http_proxy",
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"https_proxy",
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"all_proxy",
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] as const;
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const APP_SERVER_NO_PROXY_ENV_KEYS = ["NO_PROXY", "no_proxy"] as const;
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const APP_SERVER_LOOPBACK_NO_PROXY_HOSTS = ["127.0.0.1", "localhost", "::1"];
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type ElectronAppServerLaunchConfig = {
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config: SidecarLaunchConfig;
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verifySha256?: boolean;
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};
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type HandleJsonLinesRequest = {
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lines: string[];
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timeoutMs?: number;
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};
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type DrainEventsRequest = {
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includeRecent?: boolean;
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limit?: number;
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};
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export type AppServerSidecarTermination = {
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pid: number | null;
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requested: boolean;
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signal: "SIGTERM";
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};
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type AppServerRestartWaiter = {
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lifecycle: AppServerSidecarLifecycle;
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promise: Promise<ConnectedAppServerSidecar>;
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reject: (error: Error) => void;
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resolve: (connected: ConnectedAppServerSidecar) => void;
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};
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export class ElectronAppServerHost {
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#lifecycle: AppServerSidecarLifecycle | null = null;
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#connected: ConnectedAppServerSidecar | null = null;
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#connectPromise: Promise<ConnectedAppServerSidecar> | null = null;
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#nextProxyRequestId = 1;
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#activeProxyRequestIds = new Map<RequestId, RequestId>();
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#consumedServerRequestTokens = new Set<string>();
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#recentNotifications: JsonRpcMessage[] = [];
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#restartWaiter: AppServerRestartWaiter | null = null;
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#serverRequestRawIdsByToken = new Map<string, RequestId>();
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#serverRequestTokensByRawId = new Map<string, string>();
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#stopping = false;
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readonly #dynamicToolHost: AppServerDynamicToolHost;
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constructor(browserHost: ElectronBrowserTabHost | null = null) {
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this.#dynamicToolHost = new AppServerDynamicToolHost(
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undefined,
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browserHost,
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);
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}
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async warmup(): Promise<InitializeResponse> {
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const connected = await this.#connect();
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return connected.initializeResponse;
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}
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async request<T>(method: string, params: unknown = {}): Promise<T> {
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const connected = await this.#connect();
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const request = this.#dynamicToolHost.prepareClientRequest(
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connected.client.request(method, params ?? {}),
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);
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const response = await this.#requestAppServer<T>(
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connected,
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request,
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method,
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{
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timeoutMs: resolveAppServerRequestTimeoutMs(method),
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},
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);
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this.#dynamicToolHost.observeClientResult(method, response.result);
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return response.result;
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}
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async handleJsonLines(
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request: HandleJsonLinesRequest,
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owner: DynamicToolOwnerContext | null = null,
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): Promise<{ lines: string[] }> {
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const connected = await this.#connect();
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const messages = request.lines.map(decodeMessage);
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const responses: JsonRpcMessage[] = [];
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for (const message of messages) {
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if (isInitializedNotification(message)) {
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continue;
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}
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if (isCancelRequestNotification(message)) {
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this.#forwardCancelRequest(connected, message);
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continue;
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}
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if (
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isJsonRpcRequestLike(message) &&
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message.method === METHOD_INITIALIZE
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) {
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responses.push(
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initializeResponseMessage(message, connected.initializeResponse),
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);
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continue;
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}
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if (isJsonRpcRequestLike(message)) {
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const preparedMessage =
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this.#dynamicToolHost.prepareClientRequest(message);
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const proxiedMessage = this.#proxyRequestMessage(preparedMessage);
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const timeoutMs = resolveAppServerRequestTimeoutMs(
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proxiedMessage.message.method,
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request.timeoutMs,
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);
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try {
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const result = await this.#withActiveProxyRequest(
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proxiedMessage.originalId,
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proxiedMessage.message.id,
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() =>
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this.#requestAppServer<unknown>(
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connected,
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proxiedMessage.message,
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proxiedMessage.message.method,
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{ timeoutMs },
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),
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);
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this.#dynamicToolHost.observeClientResult(
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proxiedMessage.message.method,
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result.result,
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owner,
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);
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responses.push(
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...result.messages.map((response) =>
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restoreProxyResponseId(response, proxiedMessage.originalId),
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),
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);
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} catch (error) {
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const errorMessages = restoreAppServerRequestError(
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error,
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proxiedMessage.originalId,
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);
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if (!errorMessages) {
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throw error;
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}
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responses.push(...errorMessages);
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}
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continue;
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}
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(await this.#connect()).connection.transport.send(
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this.#restoreServerRequestResponseId(message),
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);
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}
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this.#rememberRecentNotifications(responses);
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return {
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lines: responses.map(encodeMessage),
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};
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}
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async drainEvents(
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request: DrainEventsRequest = {},
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): Promise<{ lines: string[] }> {
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const connected = await this.#connect();
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const limit = normalizeDrainEventsLimit(
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request.limit,
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request.includeRecent === true
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? APP_SERVER_RECENT_NOTIFICATION_LIMIT
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: 100,
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);
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if (process.env.LIME_DEBUG_MCP_NOTIFICATIONS === "1") {
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appendDebugMcpNotification(
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`drain start includeRecent=${request.includeRecent === true} limit=${limit} recent=${this.#recentNotifications.length}`,
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);
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}
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const drained: JsonRpcMessage[] = [];
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while (drained.length < limit) {
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let message: JsonRpcMessage;
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try {
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message = await connected.connection.nextServerMessage(
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drained.length === 0
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? APP_SERVER_DRAIN_FIRST_MESSAGE_WAIT_MS
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: APP_SERVER_DRAIN_BUFFERED_MESSAGE_WAIT_MS,
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);
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} catch {
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break;
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}
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if (tryHandleCurrentTimeRead(connected.connection, message)) {
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continue;
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}
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this.#dynamicToolHost.observeServerMessage(message);
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if (
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await this.#dynamicToolHost.tryHandle(connected.connection, message)
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) {
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continue;
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}
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const projected = this.#projectServerMessageForRenderer(message);
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if (projected) {
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drained.push(projected);
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}
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}
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const rendererMessages = drained;
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this.#rememberRecentNotifications(rendererMessages);
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const messages =
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request.includeRecent === true
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? uniqueJsonRpcMessages([
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...this.#recentNotifications,
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...rendererMessages,
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]).slice(-limit)
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: rendererMessages;
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if (process.env.LIME_DEBUG_MCP_NOTIFICATIONS === "1") {
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appendDebugMcpNotification(
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`drain end includeRecent=${request.includeRecent === true} drained=${rendererMessages.length} recent=${this.#recentNotifications.length} returned=${messages.length}`,
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);
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}
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return {
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lines: messages.map(encodeMessage),
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};
|
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}
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async stop(): Promise<void> {
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this.#stopping = true;
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this.#dynamicToolHost.connectionLost("app-server-stopped");
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this.#rejectRestartWaiter(this.#lifecycle, appServerHostStoppingError());
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await this.#lifecycle?.stop();
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this.#lifecycle = null;
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this.#connected = null;
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this.#connectPromise = null;
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this.#consumedServerRequestTokens.clear();
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this.#serverRequestRawIdsByToken.clear();
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this.#serverRequestTokensByRawId.clear();
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this.#dynamicToolHost.reset();
|
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}
|
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|
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terminateSidecarForE2e(): AppServerSidecarTermination {
|
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if (process.env.LIME_ELECTRON_E2E !== "1") {
|
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throw new Error(
|
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"App Server sidecar termination is only available in E2E mode",
|
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);
|
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}
|
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const child = this.#lifecycle?.connected?.sidecar.child;
|
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const pid = child?.pid ?? null;
|
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const running =
|
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child && child.exitCode === null && child.signalCode === null;
|
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return {
|
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pid,
|
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requested: running ? child.kill("SIGTERM") : false,
|
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signal: "SIGTERM",
|
||
};
|
||
}
|
||
|
||
#projectServerMessageForRenderer(
|
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message: JsonRpcMessage,
|
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): JsonRpcMessage | null {
|
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if (isJsonRpcRequestLike(message)) {
|
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const token = this.#serverRequestToken(message.id);
|
||
return { ...message, id: token };
|
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}
|
||
if (!isJsonRpcNotification(message)) {
|
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return message;
|
||
}
|
||
if (message.method !== "serverRequest/resolved") {
|
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return message;
|
||
}
|
||
const params = asRecord(message.params);
|
||
const rawRequestId = params?.requestId;
|
||
if (typeof rawRequestId !== "string" && typeof rawRequestId !== "number") {
|
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return message;
|
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}
|
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const token = this.#serverRequestTokensByRawId.get(
|
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stableRequestIdKey(rawRequestId),
|
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);
|
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return token
|
||
? {
|
||
...message,
|
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params: { ...params, requestId: token },
|
||
}
|
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: null;
|
||
}
|
||
|
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#restoreServerRequestResponseId(message: JsonRpcMessage): JsonRpcMessage {
|
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if (!isJsonRpcResponse(message) && !isJsonRpcErrorResponse(message)) {
|
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return message;
|
||
}
|
||
if (
|
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typeof message.id !== "string" ||
|
||
!message.id.startsWith(APP_SERVER_SERVER_REQUEST_TOKEN_PREFIX)
|
||
) {
|
||
return message;
|
||
}
|
||
if (this.#consumedServerRequestTokens.has(message.id)) {
|
||
throw new Error(
|
||
"App Server server-request action token was already used",
|
||
);
|
||
}
|
||
const rawId = this.#serverRequestRawIdsByToken.get(message.id);
|
||
if (rawId === undefined) {
|
||
throw new Error("Unknown App Server server-request action token");
|
||
}
|
||
this.#consumedServerRequestTokens.add(message.id);
|
||
return { ...message, id: rawId };
|
||
}
|
||
|
||
#serverRequestToken(rawId: RequestId): string {
|
||
const rawKey = stableRequestIdKey(rawId);
|
||
const existing = this.#serverRequestTokensByRawId.get(rawKey);
|
||
if (existing) {
|
||
return existing;
|
||
}
|
||
const token = `${APP_SERVER_SERVER_REQUEST_TOKEN_PREFIX}${randomUUID()}`;
|
||
this.#serverRequestTokensByRawId.set(rawKey, token);
|
||
this.#serverRequestRawIdsByToken.set(token, rawId);
|
||
while (
|
||
this.#serverRequestRawIdsByToken.size >
|
||
APP_SERVER_SERVER_REQUEST_TOKEN_LIMIT
|
||
) {
|
||
const oldestToken = this.#serverRequestRawIdsByToken.keys().next().value;
|
||
if (typeof oldestToken !== "string") {
|
||
break;
|
||
}
|
||
const oldestRawId = this.#serverRequestRawIdsByToken.get(oldestToken);
|
||
this.#serverRequestRawIdsByToken.delete(oldestToken);
|
||
this.#consumedServerRequestTokens.delete(oldestToken);
|
||
if (oldestRawId !== undefined) {
|
||
this.#serverRequestTokensByRawId.delete(
|
||
stableRequestIdKey(oldestRawId),
|
||
);
|
||
}
|
||
}
|
||
return token;
|
||
}
|
||
|
||
async #connect(): Promise<ConnectedAppServerSidecar> {
|
||
if (this.#stopping) {
|
||
throw appServerHostStoppingError();
|
||
}
|
||
if (this.#connected) {
|
||
const lifecycleConnected = this.#lifecycle?.connected;
|
||
if (lifecycleConnected && lifecycleConnected !== this.#connected) {
|
||
this.#connected = lifecycleConnected;
|
||
return lifecycleConnected;
|
||
}
|
||
if (lifecycleConnected) {
|
||
return this.#connected;
|
||
}
|
||
this.#connected = null;
|
||
}
|
||
if (this.#restartWaiter) {
|
||
this.#connected = await this.#restartWaiter.promise;
|
||
return this.#connected;
|
||
}
|
||
if (!this.#connectPromise) {
|
||
this.#connectPromise = this.#start();
|
||
}
|
||
const connectPromise = this.#connectPromise;
|
||
try {
|
||
this.#connected = await connectPromise;
|
||
return this.#connected;
|
||
} finally {
|
||
if (this.#connectPromise === connectPromise) {
|
||
this.#connectPromise = null;
|
||
}
|
||
}
|
||
}
|
||
|
||
#rememberRecentNotifications(messages: JsonRpcMessage[]): void {
|
||
const notifications = messages.filter(isJsonRpcNotification);
|
||
if (notifications.length === 0) {
|
||
return;
|
||
}
|
||
this.#recentNotifications = [
|
||
...this.#recentNotifications,
|
||
...notifications,
|
||
].slice(-APP_SERVER_RECENT_NOTIFICATION_LIMIT);
|
||
}
|
||
|
||
async #start(): Promise<ConnectedAppServerSidecar> {
|
||
const launchConfig = await resolveLaunchConfig();
|
||
const sidecarEnv = await resolveAppServerSidecarEnv(
|
||
launchConfig.config.binaryPath,
|
||
launchConfig.config.dataDir ?? resolveAppServerDataDir(),
|
||
);
|
||
const initializeParams: InitializeParams = {
|
||
clientInfo: {
|
||
name: "lime_desktop_electron",
|
||
title: "Lime Desktop Electron",
|
||
version: app.getVersion(),
|
||
},
|
||
capabilities: {
|
||
eventMethods: [
|
||
"agentSession/event",
|
||
METHOD_THREAD_STARTED,
|
||
METHOD_TURN_STARTED,
|
||
METHOD_TURN_COMPLETED,
|
||
METHOD_ITEM_STARTED,
|
||
METHOD_ITEM_COMPLETED,
|
||
METHOD_MCP_TOOL_CALL_PROGRESS,
|
||
METHOD_AGENT_MESSAGE_DELTA,
|
||
METHOD_MODEL_LIST_UPDATED,
|
||
METHOD_THREAD_TOKEN_USAGE_UPDATED,
|
||
METHOD_WORKSPACE_RIGHT_SURFACE_PENDING_CHANGED,
|
||
],
|
||
experimentalApi: true,
|
||
},
|
||
};
|
||
|
||
let lifecycle: AppServerSidecarLifecycle;
|
||
lifecycle = new AppServerSidecarLifecycle(
|
||
launchConfig.config,
|
||
initializeParams,
|
||
{
|
||
verifySha256: launchConfig.verifySha256,
|
||
...(sidecarEnv ? { env: sidecarEnv } : {}),
|
||
restartPolicy: {
|
||
maxAttempts: APP_SERVER_RESTART_MAX_ATTEMPTS,
|
||
initialDelayMs: 500,
|
||
maxDelayMs: 5_000,
|
||
},
|
||
onExit: (event) => {
|
||
if (this.#lifecycle === lifecycle) {
|
||
this.#dynamicToolHost.connectionLost("app-server-disconnected");
|
||
this.#connected = null;
|
||
this.#waitForRestart(lifecycle);
|
||
}
|
||
console.warn("[electron-host] app-server exited", event);
|
||
},
|
||
onRestarted: (connected) => {
|
||
if (this.#lifecycle === lifecycle) {
|
||
this.#connected = connected;
|
||
this.#installServerRequestHandler(connected);
|
||
this.#resolveRestartWaiter(lifecycle, connected);
|
||
}
|
||
},
|
||
onRestartFailed: (event) => {
|
||
if (
|
||
this.#lifecycle === lifecycle &&
|
||
this.#restartWaiter?.lifecycle === lifecycle &&
|
||
event.attempt >= APP_SERVER_RESTART_MAX_ATTEMPTS
|
||
) {
|
||
this.#dynamicToolHost.connectionLost("app-server-restart-failed");
|
||
this.#connected = null;
|
||
this.#lifecycle = null;
|
||
this.#rejectRestartWaiter(
|
||
lifecycle,
|
||
new Error("App Server sidecar restart attempts exhausted"),
|
||
);
|
||
}
|
||
console.warn("[electron-host] app-server restart failed", event);
|
||
},
|
||
},
|
||
);
|
||
|
||
this.#lifecycle = lifecycle;
|
||
const connected = await lifecycle.start();
|
||
this.#installServerRequestHandler(connected);
|
||
return connected;
|
||
}
|
||
|
||
#waitForRestart(
|
||
lifecycle: AppServerSidecarLifecycle,
|
||
): Promise<ConnectedAppServerSidecar> {
|
||
if (this.#restartWaiter?.lifecycle === lifecycle) {
|
||
return this.#restartWaiter.promise;
|
||
}
|
||
let resolve!: (connected: ConnectedAppServerSidecar) => void;
|
||
let reject!: (error: Error) => void;
|
||
const promise = new Promise<ConnectedAppServerSidecar>(
|
||
(resolvePromise, rejectPromise) => {
|
||
resolve = resolvePromise;
|
||
reject = rejectPromise;
|
||
},
|
||
);
|
||
void promise.catch(() => undefined);
|
||
this.#restartWaiter = { lifecycle, promise, reject, resolve };
|
||
return promise;
|
||
}
|
||
|
||
#resolveRestartWaiter(
|
||
lifecycle: AppServerSidecarLifecycle,
|
||
connected: ConnectedAppServerSidecar,
|
||
): void {
|
||
const waiter = this.#restartWaiter;
|
||
if (!waiter || waiter.lifecycle !== lifecycle) {
|
||
return;
|
||
}
|
||
this.#restartWaiter = null;
|
||
waiter.resolve(connected);
|
||
}
|
||
|
||
#rejectRestartWaiter(
|
||
lifecycle: AppServerSidecarLifecycle | null,
|
||
error: Error,
|
||
): void {
|
||
const waiter = this.#restartWaiter;
|
||
if (!waiter || waiter.lifecycle !== lifecycle) {
|
||
return;
|
||
}
|
||
this.#restartWaiter = null;
|
||
waiter.reject(error);
|
||
}
|
||
|
||
#installServerRequestHandler(connected: ConnectedAppServerSidecar): void {
|
||
connected.connection.setNotificationObserver((message) => {
|
||
if (process.env.LIME_DEBUG_MCP_NOTIFICATIONS === "1") {
|
||
appendDebugMcpNotification(
|
||
`observed notification method=${message.method}`,
|
||
);
|
||
console.warn(
|
||
"[electron-host] observed app-server notification",
|
||
message.method,
|
||
);
|
||
}
|
||
const projected = this.#projectServerMessageForRenderer(message);
|
||
if (projected) {
|
||
this.#rememberRecentNotifications([projected]);
|
||
}
|
||
});
|
||
if (typeof connected.connection.setServerRequestHandler !== "function") {
|
||
return;
|
||
}
|
||
connected.connection.setServerRequestHandler(async (message) => {
|
||
if (tryHandleCurrentTimeRead(connected.connection, message)) {
|
||
return true;
|
||
}
|
||
this.#dynamicToolHost.observeServerMessage(message);
|
||
return await this.#dynamicToolHost.tryHandle(
|
||
connected.connection,
|
||
message,
|
||
);
|
||
});
|
||
}
|
||
|
||
#proxyRequestMessage(message: JsonRpcRequest): {
|
||
message: JsonRpcRequest;
|
||
originalId: RequestId;
|
||
} {
|
||
const originalId = message.id;
|
||
const id = `${APP_SERVER_PROXY_REQUEST_ID_PREFIX}:${this.#nextProxyRequestId}`;
|
||
this.#nextProxyRequestId += 1;
|
||
return {
|
||
message: {
|
||
...message,
|
||
id,
|
||
},
|
||
originalId,
|
||
};
|
||
}
|
||
|
||
async #withActiveProxyRequest<T>(
|
||
originalId: RequestId,
|
||
proxiedId: RequestId,
|
||
run: () => Promise<T>,
|
||
): Promise<T> {
|
||
this.#activeProxyRequestIds.set(originalId, proxiedId);
|
||
try {
|
||
return await run();
|
||
} finally {
|
||
this.#activeProxyRequestIds.delete(originalId);
|
||
}
|
||
}
|
||
|
||
#forwardCancelRequest(
|
||
connected: ConnectedAppServerSidecar,
|
||
message: JsonRpcMessage,
|
||
): void {
|
||
const originalId = readCancelRequestId(message);
|
||
if (originalId === null) {
|
||
return;
|
||
}
|
||
const proxiedId = this.#activeProxyRequestIds.get(originalId);
|
||
if (proxiedId === undefined) {
|
||
return;
|
||
}
|
||
connected.connection.transport.send(cancelRequest(proxiedId));
|
||
}
|
||
|
||
async #requestAppServer<T>(
|
||
connected: ConnectedAppServerSidecar,
|
||
request: JsonRpcRequest,
|
||
method: string,
|
||
options: AppServerRequestOptions,
|
||
): Promise<AppServerRequestResult<T>> {
|
||
try {
|
||
return await connected.connection.request<T>(request, method, options);
|
||
} catch (error) {
|
||
if (!isStaleSidecarConnectionError(error)) {
|
||
throw error;
|
||
}
|
||
if (this.#stopping) {
|
||
throw appServerHostStoppingError();
|
||
}
|
||
|
||
console.warn(
|
||
"[electron-host] app-server stale connection detected; restarting sidecar",
|
||
error,
|
||
);
|
||
await this.#discardStaleSidecar();
|
||
const freshConnected = await this.#connect();
|
||
return await freshConnected.connection.request<T>(
|
||
request,
|
||
method,
|
||
options,
|
||
);
|
||
}
|
||
}
|
||
|
||
async #discardStaleSidecar(): Promise<void> {
|
||
const lifecycle = this.#lifecycle;
|
||
this.#rejectRestartWaiter(
|
||
lifecycle,
|
||
new Error("App Server stale sidecar lifecycle was discarded"),
|
||
);
|
||
this.#lifecycle = null;
|
||
this.#connected = null;
|
||
this.#connectPromise = null;
|
||
this.#dynamicToolHost.connectionLost("app-server-stale-connection");
|
||
try {
|
||
await lifecycle?.stop();
|
||
} catch (error) {
|
||
console.warn(
|
||
"[electron-host] app-server stale sidecar cleanup failed",
|
||
error,
|
||
);
|
||
}
|
||
}
|
||
}
|
||
|
||
function appendDebugMcpNotification(message: string): void {
|
||
const filePath = process.env.LIME_DEBUG_MCP_NOTIFICATIONS_FILE?.trim();
|
||
if (!filePath) {
|
||
return;
|
||
}
|
||
try {
|
||
appendFileSync(filePath, `${message}\n`, "utf8");
|
||
} catch {
|
||
// Diagnostics must never affect the App Server bridge.
|
||
}
|
||
}
|
||
|
||
function isStaleSidecarConnectionError(error: unknown): boolean {
|
||
return (
|
||
error instanceof Error &&
|
||
(error.message.includes("app-server sidecar stdin is closed") ||
|
||
error.message.includes("app-server sidecar is closed") ||
|
||
error.message.includes("app-server exited before next message"))
|
||
);
|
||
}
|
||
|
||
function asRecord(value: unknown): Record<string, unknown> | null {
|
||
return value && typeof value === "object" && !Array.isArray(value)
|
||
? (value as Record<string, unknown>)
|
||
: null;
|
||
}
|
||
|
||
function stableRequestIdKey(id: RequestId): string {
|
||
return JSON.stringify([typeof id, String(id)]);
|
||
}
|
||
|
||
function appServerHostStoppingError(): Error {
|
||
return new Error("app-server host is stopping");
|
||
}
|
||
|
||
function isCancelRequestNotification(
|
||
message: JsonRpcMessage,
|
||
): message is Extract<JsonRpcMessage, { method: string }> {
|
||
return (
|
||
isJsonRpcNotification(message) &&
|
||
message.method === APP_SERVER_CANCEL_REQUEST_METHOD
|
||
);
|
||
}
|
||
|
||
function readCancelRequestId(message: JsonRpcMessage): RequestId | null {
|
||
if (!isCancelRequestNotification(message)) {
|
||
return null;
|
||
}
|
||
const params = message.params;
|
||
if (!params || typeof params !== "object" || Array.isArray(params)) {
|
||
return null;
|
||
}
|
||
const id = (params as { id?: unknown }).id;
|
||
return typeof id === "string" || typeof id === "number" ? id : null;
|
||
}
|
||
|
||
function normalizeDrainEventsLimit(value: unknown, maxLimit: number): number {
|
||
if (typeof value !== "number" || !Number.isFinite(value)) {
|
||
return 20;
|
||
}
|
||
return Math.max(1, Math.min(maxLimit, Math.floor(value)));
|
||
}
|
||
|
||
function uniqueJsonRpcMessages(messages: JsonRpcMessage[]): JsonRpcMessage[] {
|
||
const seen = new Set<string>();
|
||
const uniqueMessages: JsonRpcMessage[] = [];
|
||
|
||
for (const message of messages) {
|
||
const key = jsonRpcMessageDedupKey(message);
|
||
if (seen.has(key)) {
|
||
continue;
|
||
}
|
||
seen.add(key);
|
||
uniqueMessages.push(message);
|
||
}
|
||
|
||
return uniqueMessages;
|
||
}
|
||
|
||
function jsonRpcMessageDedupKey(message: JsonRpcMessage): string {
|
||
const eventId = jsonRpcNotificationEventId(message);
|
||
if (eventId) {
|
||
return `event:${eventId}`;
|
||
}
|
||
return `message:${JSON.stringify(message)}`;
|
||
}
|
||
|
||
function jsonRpcNotificationEventId(
|
||
message: JsonRpcMessage,
|
||
): string | undefined {
|
||
if (!isJsonRpcNotification(message)) {
|
||
return undefined;
|
||
}
|
||
const params = message.params;
|
||
if (!params || typeof params !== "object" || Array.isArray(params)) {
|
||
return undefined;
|
||
}
|
||
const event = (params as { event?: unknown }).event;
|
||
if (!event || typeof event !== "object" || Array.isArray(event)) {
|
||
return undefined;
|
||
}
|
||
const eventId =
|
||
(event as { eventId?: unknown; event_id?: unknown }).eventId ??
|
||
(event as { eventId?: unknown; event_id?: unknown }).event_id;
|
||
return typeof eventId === "string" && eventId.trim()
|
||
? eventId.trim()
|
||
: undefined;
|
||
}
|
||
|
||
function restoreProxyResponseId(
|
||
message: JsonRpcMessage,
|
||
originalId: RequestId,
|
||
): JsonRpcMessage {
|
||
if (isJsonRpcResponse(message) || isJsonRpcErrorResponse(message)) {
|
||
return {
|
||
...message,
|
||
id: originalId,
|
||
};
|
||
}
|
||
return message;
|
||
}
|
||
|
||
function restoreAppServerRequestError(
|
||
error: unknown,
|
||
originalId: RequestId,
|
||
): JsonRpcMessage[] | null {
|
||
if (!(error instanceof AppServerRequestError)) {
|
||
return null;
|
||
}
|
||
const messages =
|
||
error.messages.length > 0 ? error.messages : [error.response];
|
||
return messages.map((message) => restoreProxyResponseId(message, originalId));
|
||
}
|
||
|
||
async function resolveLaunchConfig(): Promise<ElectronAppServerLaunchConfig> {
|
||
const dataDir = resolveAppServerDataDir();
|
||
const envBinary = process.env.APP_SERVER_BIN?.trim();
|
||
if (envBinary) {
|
||
return {
|
||
config: stdioSidecarWithRuntimeBackend(
|
||
envBinary,
|
||
process.env.APP_SERVER_POLICY_PATH,
|
||
"runtime",
|
||
dataDir,
|
||
),
|
||
};
|
||
}
|
||
|
||
const resourcesPath = process.resourcesPath;
|
||
const resourceRoots = [
|
||
resourcesPath,
|
||
path.resolve(app.getAppPath(), "dist-electron"),
|
||
];
|
||
for (const resourceRoot of resourceRoots) {
|
||
const config = await resolveResourceLaunchConfig(resourceRoot);
|
||
if (config) {
|
||
return config;
|
||
}
|
||
}
|
||
|
||
const devBinaryPath = resolveDevAppServerBinaryPath(app.getAppPath());
|
||
return {
|
||
config: stdioSidecarWithRuntimeBackend(
|
||
devBinaryPath,
|
||
process.env.APP_SERVER_POLICY_PATH,
|
||
"runtime",
|
||
dataDir,
|
||
),
|
||
};
|
||
}
|
||
|
||
async function resolveAppServerSidecarEnv(
|
||
binaryPath: string,
|
||
agentRoot: string,
|
||
): Promise<NodeJS.ProcessEnv | undefined> {
|
||
const env: NodeJS.ProcessEnv = {
|
||
...resolveAppServerRuntimeLibraryEnv(binaryPath),
|
||
LIME_AGENT_RUNTIME_ROOT: agentRoot,
|
||
// AppDataRoot 由 Host 显式解析后下发；App Server 的叶子 writer 不再自行猜平台根。
|
||
APP_SERVER_APP_DATA_DIR: resolveAppServerAppDataRoot(),
|
||
};
|
||
const bundledMarketplacePath = resolveBundledPluginMarketplacePath();
|
||
if (bundledMarketplacePath) {
|
||
env.LIME_BUNDLED_PLUGIN_MARKETPLACE = bundledMarketplacePath;
|
||
}
|
||
const currentNoProxy = APP_SERVER_NO_PROXY_ENV_KEYS.map(
|
||
(key) => process.env[key],
|
||
).find((value) => Boolean(value?.trim()));
|
||
const noProxy = mergeLoopbackNoProxy(currentNoProxy);
|
||
if (noProxy && noProxy !== process.env.NO_PROXY) {
|
||
env.NO_PROXY = noProxy;
|
||
}
|
||
if (noProxy && noProxy !== process.env.no_proxy) {
|
||
env.no_proxy = noProxy;
|
||
}
|
||
|
||
if (!hasExplicitProxyEnv(process.env)) {
|
||
const proxyUrl = await resolveElectronSystemProxyUrl();
|
||
if (proxyUrl) {
|
||
for (const key of APP_SERVER_PROXY_ENV_KEYS) {
|
||
env[key] = proxyUrl;
|
||
}
|
||
}
|
||
}
|
||
|
||
return Object.keys(env).length > 0 ? env : undefined;
|
||
}
|
||
|
||
function resolveBundledPluginMarketplacePath(): string | undefined {
|
||
const resourceRoots = [
|
||
process.resourcesPath,
|
||
path.resolve(app.getAppPath(), "dist-electron"),
|
||
];
|
||
for (const resourceRoot of resourceRoots) {
|
||
const marketplacePath = path.join(
|
||
resourceRoot,
|
||
"plugins",
|
||
"openai-bundled",
|
||
".agents",
|
||
"plugins",
|
||
"marketplace.json",
|
||
);
|
||
try {
|
||
if (readFileSync(marketplacePath, "utf8")) {
|
||
return marketplacePath;
|
||
}
|
||
} catch {
|
||
// 开发态或旧包可能没有 bundled marketplace，App Server 继续发现其他来源。
|
||
}
|
||
}
|
||
return undefined;
|
||
}
|
||
|
||
function resolveAppServerRuntimeLibraryEnv(
|
||
binaryPath: string,
|
||
): NodeJS.ProcessEnv {
|
||
const env: NodeJS.ProcessEnv = {
|
||
LIME_CONFIG_PATH: resolveAppServerConfigPath(),
|
||
};
|
||
const binaryDir = path.dirname(binaryPath);
|
||
if (!binaryDir || binaryDir === ".") {
|
||
return env;
|
||
}
|
||
|
||
if (process.platform === "darwin") {
|
||
return {
|
||
...env,
|
||
DYLD_FALLBACK_LIBRARY_PATH: prependPathEnv(
|
||
process.env.DYLD_FALLBACK_LIBRARY_PATH,
|
||
[binaryDir],
|
||
),
|
||
DYLD_LIBRARY_PATH: prependPathEnv(process.env.DYLD_LIBRARY_PATH, [
|
||
binaryDir,
|
||
]),
|
||
};
|
||
}
|
||
|
||
if (process.platform === "linux") {
|
||
return {
|
||
...env,
|
||
LD_LIBRARY_PATH: prependPathEnv(process.env.LD_LIBRARY_PATH, [binaryDir]),
|
||
};
|
||
}
|
||
|
||
if (process.platform === "win32") {
|
||
return {
|
||
...env,
|
||
PATH: prependPathEnv(process.env.PATH, [binaryDir]),
|
||
};
|
||
}
|
||
|
||
return env;
|
||
}
|
||
|
||
function prependPathEnv(
|
||
currentValue: string | undefined,
|
||
entries: string[],
|
||
): string {
|
||
const result: string[] = [];
|
||
const seen = new Set<string>();
|
||
const remember = (entry: string | undefined) => {
|
||
const trimmed = entry?.trim();
|
||
if (!trimmed) {
|
||
return;
|
||
}
|
||
const key = process.platform === "win32" ? trimmed.toLowerCase() : trimmed;
|
||
if (seen.has(key)) {
|
||
return;
|
||
}
|
||
seen.add(key);
|
||
result.push(trimmed);
|
||
};
|
||
|
||
for (const entry of entries) {
|
||
remember(entry);
|
||
}
|
||
for (const entry of currentValue?.split(path.delimiter) ?? []) {
|
||
remember(entry);
|
||
}
|
||
return result.join(path.delimiter);
|
||
}
|
||
|
||
function hasExplicitProxyEnv(env: NodeJS.ProcessEnv): boolean {
|
||
return APP_SERVER_PROXY_ENV_KEYS.some((key) => Boolean(env[key]?.trim()));
|
||
}
|
||
|
||
async function resolveElectronSystemProxyUrl(): Promise<string | undefined> {
|
||
if (process.platform !== "darwin") {
|
||
return undefined;
|
||
}
|
||
|
||
try {
|
||
const rules = await session.defaultSession.resolveProxy(
|
||
APP_SERVER_PROXY_PROBE_URL,
|
||
);
|
||
return firstProxyRuleToUrl(rules);
|
||
} catch (error) {
|
||
console.warn(
|
||
"[electron-host] failed to resolve system proxy for app-server",
|
||
error,
|
||
);
|
||
return undefined;
|
||
}
|
||
}
|
||
|
||
function firstProxyRuleToUrl(rules: string): string | undefined {
|
||
for (const rawRule of rules.split(";")) {
|
||
const rule = rawRule.trim();
|
||
if (!rule || rule.toUpperCase() === "DIRECT") {
|
||
continue;
|
||
}
|
||
const [kind = "", address = ""] = rule.split(/\s+/, 2);
|
||
const normalizedAddress = address.trim();
|
||
if (!normalizedAddress || normalizedAddress.includes("://")) {
|
||
continue;
|
||
}
|
||
switch (kind.toUpperCase()) {
|
||
case "PROXY":
|
||
return `http://${normalizedAddress}`;
|
||
case "HTTPS":
|
||
return `https://${normalizedAddress}`;
|
||
case "SOCKS":
|
||
case "SOCKS5":
|
||
return `socks5://${normalizedAddress}`;
|
||
default:
|
||
continue;
|
||
}
|
||
}
|
||
return undefined;
|
||
}
|
||
|
||
function mergeLoopbackNoProxy(value: string | undefined): string {
|
||
const entries = (value ?? "")
|
||
.split(",")
|
||
.map((entry) => entry.trim())
|
||
.filter(Boolean);
|
||
const normalized = new Set(entries.map((entry) => entry.toLowerCase()));
|
||
for (const host of APP_SERVER_LOOPBACK_NO_PROXY_HOSTS) {
|
||
if (!normalized.has(host.toLowerCase())) {
|
||
entries.push(host);
|
||
normalized.add(host.toLowerCase());
|
||
}
|
||
}
|
||
return entries.join(",");
|
||
}
|
||
|
||
async function resolveResourceLaunchConfig(
|
||
resourcesPath: string,
|
||
): Promise<ElectronAppServerLaunchConfig | null> {
|
||
const dataDir = resolveAppServerDataDir();
|
||
const manifestPath = defaultReleaseManifestPath(resourcesPath);
|
||
try {
|
||
const manifest = await readReleaseManifest(manifestPath);
|
||
const resolved = resolveSidecarFromReleaseManifest(manifest, {
|
||
allowEnvOverride: false,
|
||
resourcesPath,
|
||
appPolicyPath: process.env.APP_SERVER_POLICY_PATH,
|
||
dataDir,
|
||
...resolveRuntimeBackendLaunchOptions("runtime"),
|
||
});
|
||
if (resolved) {
|
||
return {
|
||
config: resolved.config,
|
||
verifySha256: shouldVerifyResourceSha256(resourcesPath),
|
||
};
|
||
}
|
||
} catch {
|
||
// 开发态或未执行资源准备时可以没有 packaged manifest。
|
||
}
|
||
return null;
|
||
}
|
||
|
||
function shouldVerifyResourceSha256(resourcesPath: string): boolean {
|
||
if (process.platform !== "darwin" || !app.isPackaged) {
|
||
return true;
|
||
}
|
||
|
||
return path.resolve(resourcesPath) !== path.resolve(process.resourcesPath);
|
||
}
|
||
|
||
function stdioSidecarWithRuntimeBackend(
|
||
binaryPath: string,
|
||
appPolicyPath: string | undefined,
|
||
defaultBackendMode: NonNullable<SidecarLaunchConfig["backendMode"]>,
|
||
dataDir: string,
|
||
): SidecarLaunchConfig {
|
||
return {
|
||
...stdioSidecar(binaryPath, appPolicyPath, dataDir),
|
||
...resolveRuntimeBackendLaunchOptions(defaultBackendMode),
|
||
};
|
||
}
|
||
|
||
function resolveAppServerDataDir(): string {
|
||
return resolveCurrentDesktopStorageRoots(app.getPath("userData")).agentRoot;
|
||
}
|
||
|
||
function resolveAppServerAppDataRoot(): string {
|
||
return resolveCurrentDesktopStorageRoots(app.getPath("userData")).appDataRoot;
|
||
}
|
||
|
||
function resolveAppServerConfigPath(): string {
|
||
return path.join(app.getPath("userData"), APP_SERVER_CONFIG_FILE_NAME);
|
||
}
|
||
|
||
function resolveRuntimeBackendLaunchOptions(
|
||
defaultBackendMode: NonNullable<SidecarLaunchConfig["backendMode"]>,
|
||
): Pick<
|
||
SidecarLaunchConfig,
|
||
"backendMode" | "backendCommand" | "backendArgs" | "backendTimeoutMs"
|
||
> {
|
||
const backendMode = resolveBackendMode(
|
||
process.env.APP_SERVER_BACKEND_MODE,
|
||
defaultBackendMode,
|
||
);
|
||
const config: Pick<
|
||
SidecarLaunchConfig,
|
||
"backendMode" | "backendCommand" | "backendArgs" | "backendTimeoutMs"
|
||
> = {
|
||
backendMode,
|
||
};
|
||
|
||
if (backendMode === "external") {
|
||
const backendCommand = process.env.APP_SERVER_BACKEND_COMMAND?.trim();
|
||
if (backendCommand) {
|
||
config.backendCommand = backendCommand;
|
||
}
|
||
const backendArgs = parseBackendArgs(process.env.APP_SERVER_BACKEND_ARGS);
|
||
if (backendArgs.length > 0) {
|
||
config.backendArgs = backendArgs;
|
||
}
|
||
const backendTimeoutMs = parsePositiveInteger(
|
||
process.env.APP_SERVER_BACKEND_TIMEOUT_MS,
|
||
);
|
||
if (backendTimeoutMs !== undefined) {
|
||
config.backendTimeoutMs = backendTimeoutMs;
|
||
}
|
||
}
|
||
|
||
return config;
|
||
}
|
||
|
||
function resolveBackendMode(
|
||
value: string | undefined,
|
||
fallback: NonNullable<SidecarLaunchConfig["backendMode"]>,
|
||
): NonNullable<SidecarLaunchConfig["backendMode"]> {
|
||
const normalized = value?.trim();
|
||
if (normalized === "mock") {
|
||
throw new Error(
|
||
"Electron App Server host does not allow APP_SERVER_BACKEND_MODE=mock. Use APP_SERVER_BACKEND_MODE=runtime, APP_SERVER_BACKEND_MODE=external with APP_SERVER_BACKEND_COMMAND, or APP_SERVER_BACKEND_MODE=unavailable.",
|
||
);
|
||
}
|
||
if (
|
||
normalized === "runtime" ||
|
||
normalized === "unavailable" ||
|
||
normalized === "external"
|
||
) {
|
||
return normalized;
|
||
}
|
||
return fallback;
|
||
}
|
||
|
||
function parseBackendArgs(value: string | undefined): string[] {
|
||
const trimmed = value?.trim();
|
||
if (!trimmed) {
|
||
return [];
|
||
}
|
||
try {
|
||
const parsed = JSON.parse(trimmed) as unknown;
|
||
return Array.isArray(parsed)
|
||
? parsed.filter((entry): entry is string => typeof entry === "string")
|
||
: [];
|
||
} catch {
|
||
return [];
|
||
}
|
||
}
|
||
|
||
function parsePositiveInteger(value: string | undefined): number | undefined {
|
||
const parsed = Number(value);
|
||
return Number.isInteger(parsed) && parsed > 0 ? parsed : undefined;
|
||
}
|
||
|
||
function resolveAppServerRequestTimeoutMs(
|
||
method: string,
|
||
requestedTimeoutMs?: unknown,
|
||
): number {
|
||
const defaultTimeoutMs = resolveDefaultAppServerRequestTimeoutMs(method);
|
||
const overrideTimeoutMs = parsePositiveIntegerValue(requestedTimeoutMs);
|
||
if (!overrideTimeoutMs) {
|
||
return defaultTimeoutMs;
|
||
}
|
||
return Math.min(
|
||
Math.max(defaultTimeoutMs, overrideTimeoutMs),
|
||
APP_SERVER_REQUEST_TIMEOUT_OVERRIDE_CEILING_MS,
|
||
);
|
||
}
|
||
|
||
function resolveDefaultAppServerRequestTimeoutMs(method: string): number {
|
||
if (method === "command/exec") return 600_000;
|
||
if (method === APP_SERVER_CONVERSATION_IMPORT_THREAD_COMMIT_METHOD) {
|
||
return APP_SERVER_CONVERSATION_IMPORT_THREAD_COMMIT_TIMEOUT_MS;
|
||
}
|
||
if (method === APP_SERVER_CONVERSATION_IMPORT_JOB_READ_METHOD) {
|
||
return APP_SERVER_CONVERSATION_IMPORT_SCAN_TIMEOUT_MS;
|
||
}
|
||
if (method === "conversationImport/source/scan") {
|
||
return APP_SERVER_CONVERSATION_IMPORT_SCAN_TIMEOUT_MS;
|
||
}
|
||
if (method === "conversationImport/thread/preview") {
|
||
return APP_SERVER_CONVERSATION_IMPORT_PREVIEW_TIMEOUT_MS;
|
||
}
|
||
if (method !== APP_SERVER_TURN_START_METHOD) {
|
||
return DEFAULT_APP_SERVER_REQUEST_TIMEOUT_MS;
|
||
}
|
||
const backendTimeoutMs = parsePositiveInteger(
|
||
process.env.APP_SERVER_BACKEND_TIMEOUT_MS,
|
||
);
|
||
return backendTimeoutMs
|
||
? backendTimeoutMs + APP_SERVER_BACKEND_TIMEOUT_GRACE_MS
|
||
: DEFAULT_APP_SERVER_REQUEST_TIMEOUT_MS;
|
||
}
|
||
|
||
function parsePositiveIntegerValue(value: unknown): number | undefined {
|
||
return typeof value === "number" && Number.isInteger(value) && value > 0
|
||
? value
|
||
: undefined;
|
||
}
|
||
|
||
function resolveDevAppServerBinaryPath(appPath: string): string {
|
||
return path.join(
|
||
resolveCargoTargetDirectory(appPath),
|
||
"debug",
|
||
process.platform === "win32" ? "app-server.exe" : "app-server",
|
||
);
|
||
}
|
||
|
||
function resolveCargoTargetDirectory(appPath: string): string {
|
||
const fallback = path.resolve(appPath, "lime-rs", "target");
|
||
try {
|
||
const config = readFileSync(
|
||
path.resolve(appPath, ".cargo", "config.toml"),
|
||
"utf8",
|
||
);
|
||
const match = config.match(/^\s*target-dir\s*=\s*["']([^"']+)["']/m);
|
||
if (!match?.[1]?.trim()) {
|
||
return fallback;
|
||
}
|
||
return path.resolve(appPath, match[1].trim());
|
||
} catch {
|
||
return fallback;
|
||
}
|
||
}
|
||
|
||
function isJsonRpcRequestLike(
|
||
message: JsonRpcMessage,
|
||
): message is JsonRpcRequest {
|
||
return "id" in message && "method" in message;
|
||
}
|
||
|
||
function isInitializedNotification(message: JsonRpcMessage): boolean {
|
||
return (
|
||
isJsonRpcNotification(message) && message.method === METHOD_INITIALIZED
|
||
);
|
||
}
|
||
|
||
function initializeResponseMessage(
|
||
request: JsonRpcRequest,
|
||
response: InitializeResponse,
|
||
): JsonRpcMessage {
|
||
return {
|
||
id: request.id,
|
||
result: response,
|
||
};
|
||
}
|