Files
makelore/electron/opencode/manager.ts

1140 lines
37 KiB
TypeScript

import { EventEmitter } from 'node:events';
import { mkdirSync } from 'node:fs';
import { createServer } from 'node:net';
import { join } from 'node:path';
import {
execFile,
spawn as nodeSpawn,
type ChildProcess,
type SpawnOptionsWithoutStdio,
} from 'node:child_process';
import {
ensureBundledAgentBrowserPlugin,
ensureBundledCourseSkills,
ensureBundledSuperpowersPlugin,
getManagedOpencodeConfigDir,
} from './superpowers';
import { logger } from '../utils/logger';
import {
prependManagedRuntimesToPath,
type PythonRuntime,
type UvRuntime,
} from '../utils/python-runtime';
import { promisify } from 'node:util';
export type OpencodeLifecycleState = 'stopped' | 'starting' | 'running' | 'error';
export interface OpencodeStatus {
state: OpencodeLifecycleState;
port: number;
url?: string;
pid?: number;
error?: string;
startedAt?: number;
}
type SpawnFn = (
command: string,
args: string[],
options: SpawnOptionsWithoutStdio,
) => ChildProcess;
type ConfigProvider = () => Promise<Record<string, unknown>> | Record<string, unknown>;
type RuntimeConfigProvider = () =>
| Promise<{ config: Record<string, unknown>; env?: Record<string, string> }>
| { config: Record<string, unknown>; env?: Record<string, string> };
type RuntimeConfig = { config: Record<string, unknown>; env: Record<string, string> };
type SpawnCommand = {
command: string;
args: string[];
env: Record<string, string>;
shell?: boolean;
};
type PortOwner = {
pid: number;
executablePath?: string;
commandLine?: string;
};
type FindPortOwner = (port: number) => Promise<PortOwner | null>;
type KillProcess = (pid: number) => boolean;
type RuntimeProviderDiagnostics = {
id: string;
name?: string;
npm?: string;
baseURL?: string;
modelIds: string[];
hasApiKey: boolean;
apiKeyEnv?: string;
headerNames: string[];
};
type RuntimeMcpServerDiagnostics = {
id: string;
type?: string;
enabled?: boolean;
command: string[];
envKeys: string[];
};
export function summarizeRuntimeConfigForDiagnostics(
config: Record<string, unknown>,
env: Record<string, string>,
): {
model: string | null;
smallModel: string | null;
providerIds: string[];
enabledProviderIds: string[];
envKeys: string[];
providers: RuntimeProviderDiagnostics[];
mcpServerIds: string[];
mcpServers: RuntimeMcpServerDiagnostics[];
} {
const providerRecord = config.provider && typeof config.provider === 'object' && !Array.isArray(config.provider)
? config.provider as Record<string, unknown>
: {};
const providerIds = Object.keys(providerRecord);
const enabledProviderIds = Array.isArray(config.enabled_providers)
? config.enabled_providers.filter((item): item is string => typeof item === 'string')
: providerIds;
const providers = providerIds.map((providerId) => {
const rawProvider = providerRecord[providerId];
const provider = rawProvider && typeof rawProvider === 'object' && !Array.isArray(rawProvider)
? rawProvider as Record<string, unknown>
: {};
const options = provider.options && typeof provider.options === 'object' && !Array.isArray(provider.options)
? provider.options as Record<string, unknown>
: {};
const models = provider.models && typeof provider.models === 'object' && !Array.isArray(provider.models)
? provider.models as Record<string, unknown>
: {};
const headers = options.headers && typeof options.headers === 'object' && !Array.isArray(options.headers)
? options.headers as Record<string, unknown>
: {};
const apiKey = typeof options.apiKey === 'string' ? options.apiKey : undefined;
const apiKeyEnv = apiKey?.match(/^\{env:([^}]+)\}$/)?.[1];
return {
id: providerId,
...(typeof provider.name === 'string' ? { name: provider.name } : {}),
...(typeof provider.npm === 'string' ? { npm: provider.npm } : {}),
...(typeof options.baseURL === 'string' ? { baseURL: options.baseURL } : {}),
modelIds: Object.keys(models),
hasApiKey: Boolean(apiKey),
...(apiKeyEnv ? { apiKeyEnv } : {}),
headerNames: Object.keys(headers),
};
});
const mcpRecord = config.mcp && typeof config.mcp === 'object' && !Array.isArray(config.mcp)
? config.mcp as Record<string, unknown>
: {};
const mcpServerIds = Object.keys(mcpRecord);
const mcpServers = mcpServerIds.map((serverId) => {
const rawServer = mcpRecord[serverId];
const server = rawServer && typeof rawServer === 'object' && !Array.isArray(rawServer)
? rawServer as Record<string, unknown>
: {};
const command = Array.isArray(server.command)
? server.command.filter((item): item is string => typeof item === 'string')
: [];
const serverEnv = server.env && typeof server.env === 'object' && !Array.isArray(server.env)
? server.env as Record<string, unknown>
: {};
return {
id: serverId,
...(typeof server.type === 'string' ? { type: server.type } : {}),
...(typeof server.enabled === 'boolean' ? { enabled: server.enabled } : {}),
command,
envKeys: Object.keys(serverEnv).sort(),
};
});
return {
model: typeof config.model === 'string' ? config.model : null,
smallModel: typeof config.small_model === 'string' ? config.small_model : null,
providerIds,
enabledProviderIds,
envKeys: Object.keys(env).sort(),
providers,
mcpServerIds,
mcpServers,
};
}
export interface OpencodeManagerOptions {
port: number;
binPath: string;
userDataDir?: string;
bundledSuperpowersDir?: string;
bundledCourseSkillsDir?: string;
bundledAgentBrowserPluginPath?: string;
pythonRuntime?: PythonRuntime;
uvRuntime?: UvRuntime;
spawn?: SpawnFn;
configProvider?: ConfigProvider;
runtimeConfigProvider?: RuntimeConfigProvider;
startupTimeoutMs?: number;
preflightPreferredPort?: boolean;
findPortOwner?: FindPortOwner;
killProcess?: KillProcess;
}
const execFileAsync = promisify(execFile);
const ATTACHED_SERVER_STOP_TIMEOUT_MS = 2_000;
const ATTACHED_SERVER_STOP_POLL_MS = 100;
class OpencodePortReleaseError extends Error {
constructor(readonly port: number) {
super(`Timed out waiting for opencode port ${port} to be released`);
this.name = 'OpencodePortReleaseError';
}
}
class OpencodeStartCancelledError extends Error {
constructor() {
super('opencode startup was stopped');
this.name = 'OpencodeStartCancelledError';
}
}
type RuntimeStartAttempt = {
generation: number;
requestSequence: number;
controller: AbortController;
};
function waitForAbortable<T>(promise: Promise<T>, signal: AbortSignal): Promise<T> {
if (signal.aborted) return Promise.reject(new OpencodeStartCancelledError());
return new Promise<T>((resolve, reject) => {
const onAbort = () => reject(new OpencodeStartCancelledError());
signal.addEventListener('abort', onAbort, { once: true });
void promise.then(
(value) => {
signal.removeEventListener('abort', onAbort);
resolve(value);
},
(error) => {
signal.removeEventListener('abort', onAbort);
reject(error);
},
);
});
}
function sleep(ms: number): Promise<void> {
return new Promise((resolve) => {
setTimeout(resolve, ms);
});
}
function isLoopbackPortAvailable(port: number): Promise<boolean> {
if (!Number.isInteger(port) || port <= 0) return Promise.resolve(true);
return new Promise((resolve) => {
const server = createServer();
let settled = false;
const finish = (available: boolean) => {
if (settled) return;
settled = true;
if (server.listening) {
server.close(() => resolve(available));
} else {
resolve(available);
}
};
server.once('error', () => finish(false));
server.listen({ host: '127.0.0.1', port, exclusive: true }, () => finish(true));
});
}
function parseRuntimePort(url: string): number | null {
try {
const port = Number(new URL(url).port);
return Number.isInteger(port) && port > 0 && port <= 65_535 ? port : null;
} catch {
return null;
}
}
function mergeProcessEnvironment(
overrides: Record<string, string>,
platform: NodeJS.Platform = process.platform,
): Record<string, string> {
const environment: Record<string, string> = {};
for (const [key, value] of Object.entries(process.env)) {
if (typeof value === 'string') environment[key] = value;
}
if (platform === 'win32') {
const inheritedPath = Object.entries(environment).find(([key]) => key.toLowerCase() === 'path');
for (const key of Object.keys(environment)) {
if (key.toLowerCase() === 'path') delete environment[key];
}
if (inheritedPath) environment[inheritedPath[0]] = inheritedPath[1];
}
for (const [key, value] of Object.entries(overrides)) {
if (platform === 'win32' && key.toLowerCase() === 'path') {
for (const existingKey of Object.keys(environment)) {
if (existingKey.toLowerCase() === 'path') delete environment[existingKey];
}
}
environment[key] = value;
}
return environment;
}
function normalizeComparablePath(value: string | undefined): string | null {
const trimmed = value?.trim();
if (!trimmed) return null;
return trimmed.replace(/^"+|"+$/g, '').replace(/\\/g, '/').toLowerCase();
}
function isManagedOpencodePortOwner(owner: PortOwner, binPath: string): boolean {
const expectedPath = normalizeComparablePath(binPath);
if (!expectedPath) return false;
const executablePath = normalizeComparablePath(owner.executablePath);
if (executablePath && executablePath === expectedPath) return true;
const commandLine = normalizeComparablePath(owner.commandLine);
return Boolean(commandLine?.includes(expectedPath));
}
function normalizePortOwner(input: unknown): PortOwner | null {
if (!input || typeof input !== 'object' || Array.isArray(input)) return null;
const record = input as Record<string, unknown>;
const rawPid = record.pid ?? record.ProcessId ?? record.processId;
const pid = typeof rawPid === 'number'
? rawPid
: typeof rawPid === 'string'
? Number(rawPid)
: NaN;
if (!Number.isInteger(pid) || pid <= 0) return null;
return {
pid,
...(typeof record.executablePath === 'string' ? { executablePath: record.executablePath } : {}),
...(typeof record.ExecutablePath === 'string' ? { executablePath: record.ExecutablePath } : {}),
...(typeof record.commandLine === 'string' ? { commandLine: record.commandLine } : {}),
...(typeof record.CommandLine === 'string' ? { commandLine: record.CommandLine } : {}),
};
}
async function findWindowsPortOwner(port: number): Promise<PortOwner | null> {
const script = [
`$connection = Get-NetTCPConnection -LocalPort ${port} -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1`,
'if (-not $connection) { exit 0 }',
'$process = Get-CimInstance Win32_Process -Filter "ProcessId=$($connection.OwningProcess)" -ErrorAction SilentlyContinue',
'if (-not $process) { [pscustomobject]@{ pid = [int]$connection.OwningProcess } | ConvertTo-Json -Compress; exit 0 }',
'[pscustomobject]@{ pid = [int]$process.ProcessId; executablePath = $process.ExecutablePath; commandLine = $process.CommandLine } | ConvertTo-Json -Compress',
].join('\n');
const { stdout } = await execFileAsync(
'powershell.exe',
['-NoProfile', '-NonInteractive', '-ExecutionPolicy', 'Bypass', '-Command', script],
{ encoding: 'utf8', windowsHide: true },
);
const trimmed = stdout.trim();
if (!trimmed) return null;
return normalizePortOwner(JSON.parse(trimmed) as unknown);
}
async function findUnixPortOwner(port: number): Promise<PortOwner | null> {
const { stdout } = await execFileAsync(
'lsof',
['-nP', `-iTCP:${port}`, '-sTCP:LISTEN', '-Fp'],
{ encoding: 'utf8' },
);
const lines = stdout.split(/\r?\n/);
let pid: number | null = null;
for (const line of lines) {
if (line.startsWith('p')) {
const nextPid = Number(line.slice(1));
if (Number.isInteger(nextPid) && nextPid > 0) {
pid = nextPid;
break;
}
}
}
if (!pid) return null;
try {
const { stdout: commandOutput } = await execFileAsync(
'ps',
['-p', String(pid), '-o', 'command='],
{ encoding: 'utf8' },
);
const commandLine = commandOutput.trim();
return commandLine ? { pid, commandLine } : { pid };
} catch {
return { pid };
}
}
async function findListeningPortOwner(port: number): Promise<PortOwner | null> {
try {
return process.platform === 'win32'
? await findWindowsPortOwner(port)
: await findUnixPortOwner(port);
} catch {
return null;
}
}
function killProcessByPid(pid: number): boolean {
if (pid === process.pid) return false;
try {
return process.kill(pid);
} catch {
return false;
}
}
export class OpencodeManager extends EventEmitter {
private readonly spawnProcess: SpawnFn;
private readonly configProvider?: ConfigProvider;
private readonly runtimeConfigProvider?: RuntimeConfigProvider;
private readonly findPortOwner: FindPortOwner;
private readonly killProcess: KillProcess;
private readonly startupTimeoutMs: number;
private proc: ChildProcess | null = null;
private lifecycleSequence = 0;
private cancelStartsBeforeSequence = 0;
private runtimeGeneration = 0;
private activeRuntimeGeneration: number | null = null;
private activeStartAttempt: RuntimeStartAttempt | null = null;
private readonly trackedUnreleasedPorts = new Set<number>();
private lifecycleBusy = false;
private readonly lifecycleQueue: Array<() => void> = [];
private exitCleanupPromise: Promise<void> | null = null;
private readonly ignoredExitProcesses = new WeakSet<ChildProcess>();
private status: OpencodeStatus;
constructor(private readonly options: OpencodeManagerOptions) {
super();
this.spawnProcess = options.spawn ?? nodeSpawn;
this.configProvider = options.configProvider;
this.runtimeConfigProvider = options.runtimeConfigProvider;
this.findPortOwner = options.findPortOwner ?? findListeningPortOwner;
this.killProcess = options.killProcess ?? killProcessByPid;
this.startupTimeoutMs = options.startupTimeoutMs ?? 10_000;
this.status = { state: 'stopped', port: options.port };
}
getStatus(): OpencodeStatus {
return { ...this.status };
}
getManagedConfigDir(): string | null {
const userDataDir = this.options.userDataDir?.trim();
return userDataDir ? getManagedOpencodeConfigDir(userDataDir) : null;
}
private enqueueLifecycle<T>(operation: () => Promise<T>): Promise<T> {
return new Promise<T>((resolve, reject) => {
const run = () => {
this.lifecycleBusy = true;
const finish = () => {
this.lifecycleBusy = false;
this.lifecycleQueue.shift()?.();
};
let result: Promise<T>;
try {
result = operation();
} catch (error) {
reject(error);
finish();
return;
}
void result.then(
(value) => {
resolve(value);
finish();
},
(error) => {
reject(error);
finish();
},
);
};
if (this.lifecycleBusy) {
this.lifecycleQueue.push(run);
} else {
run();
}
});
}
async start(): Promise<OpencodeStatus> {
const requestSequence = ++this.lifecycleSequence;
return await this.enqueueLifecycle(async () => {
this.assertStartAllowed(requestSequence);
if (this.status.state === 'running') return this.getStatus();
if (this.proc) await this.stopRuntime();
return await this.startRuntime(requestSequence);
});
}
async stop(): Promise<void> {
const requestSequence = ++this.lifecycleSequence;
this.cancelEarlierStarts(requestSequence);
await this.enqueueLifecycle(async () => {
await this.stopRuntime();
});
}
private async stopRuntime(): Promise<void> {
const proc = this.proc;
const generation = this.activeRuntimeGeneration;
const port = this.status.port > 0 ? this.status.port : this.options.port;
try {
if (proc) {
const exitPromise = this.waitForProcessExit(proc);
this.ignoredExitProcesses.add(proc);
if (!proc.kill()) {
this.ignoredExitProcesses.delete(proc);
throw new Error(`Failed to stop opencode process ${proc.pid ?? 'unknown'}`);
}
if (typeof proc.pid === 'number') {
const [exited, released] = await Promise.all([
exitPromise,
this.waitForPortToBeReleased(port),
]);
this.recordPortReleaseOutcome(port, exited, released);
if (!exited) {
throw new Error(`Timed out waiting for opencode process ${proc.pid} to exit`);
}
if (!released) {
throw new OpencodePortReleaseError(port);
}
}
} else {
await this.stopAttachedServerIfManaged(port);
}
await this.verifyTrackedPortsReleased();
if (this.proc === proc) {
this.proc = null;
}
if (this.activeRuntimeGeneration === generation) {
this.activeRuntimeGeneration = null;
}
this.setStatus({ state: 'stopped', port: this.options.port });
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
const errorPort = error instanceof OpencodePortReleaseError ? error.port : port;
this.setStatus({
state: 'error',
port: errorPort,
...(typeof proc?.pid === 'number' ? { pid: proc.pid } : {}),
error: message,
});
throw error;
}
}
async restart(): Promise<OpencodeStatus> {
const requestSequence = ++this.lifecycleSequence;
this.cancelEarlierStarts(requestSequence);
return await this.enqueueLifecycle(async () => {
try {
await this.stopRuntime();
} catch (error) {
if (!(error instanceof OpencodePortReleaseError)) throw error;
logger.warn('[opencode-runtime] Restarting on another loopback port after release timeout', {
port: error.port,
});
}
this.assertStartAllowed(requestSequence);
return await this.startRuntime(requestSequence);
});
}
async checkHealth(): Promise<{ ok: boolean; status: OpencodeStatus }> {
return {
ok: this.status.state === 'running',
status: this.getStatus(),
};
}
private async startRuntime(
requestSequence: number,
requestedPort?: number,
allowPortFallback = true,
): Promise<OpencodeStatus> {
const attempt = this.beginStartAttempt(requestSequence);
try {
let runtimePort = requestedPort ?? this.options.port;
if (
requestedPort === undefined
&& (this.options.preflightPreferredPort || this.options.findPortOwner)
) {
const preferredPort = await waitForAbortable(
this.inspectPreferredPort(),
attempt.controller.signal,
);
if (preferredPort.occupied && !preferredPort.existingServer) {
runtimePort = 0;
this.logPortFallback();
}
}
this.setStatus({ state: 'starting', port: runtimePort });
const providedRuntimeConfig = this.resolveRuntimeConfig();
const runtimeConfig = providedRuntimeConfig && typeof (providedRuntimeConfig as Promise<unknown>).then === 'function'
? await waitForAbortable(providedRuntimeConfig, attempt.controller.signal)
: providedRuntimeConfig;
this.assertStartAllowed(requestSequence);
if (attempt.controller.signal.aborted) throw new OpencodeStartCancelledError();
const runtimeArgs = ['serve', '--hostname=127.0.0.1', `--port=${runtimePort}`];
const runtimeEnv = this.resolveRuntimeEnv(runtimeConfig.env);
const spawnCommand = this.resolveSpawnCommand(runtimeArgs, runtimeEnv);
logger.info('[opencode-runtime] Starting runtime with provider config', {
port: runtimePort,
command: spawnCommand.command,
args: spawnCommand.args,
...summarizeRuntimeConfigForDiagnostics(runtimeConfig.config, runtimeConfig.env),
});
const childEnv = {
...spawnCommand.env,
OPENCODE_CONFIG_CONTENT: JSON.stringify(runtimeConfig.config),
};
// Meowa credentials belong to Electron Main and must never be inherited by
// the model runtime or exposed through the Agent's shell environment.
delete childEnv.MEOWART_API_KEY;
delete childEnv.MEOWART_DEV_KEY;
const proc = this.spawnProcess(spawnCommand.command, spawnCommand.args, {
env: childEnv,
stdio: ['ignore', 'pipe', 'pipe'],
windowsHide: true,
shell: spawnCommand.shell,
});
this.proc = proc;
return await new Promise<OpencodeStatus>((resolve, reject) => {
let settled = false;
let stderr = '';
let stdout = '';
let abortStartup = () => undefined;
const appendStderr = (message: string) => {
stderr = `${stderr}${message}`;
if (stderr.length > 8_000) {
stderr = stderr.slice(-8_000);
}
};
const formatStartupError = (message: string) => {
const detail = stderr.trim();
return detail ? `${message}\n${detail}` : message;
};
const claimSettlement = (): boolean => {
if (settled) return false;
settled = true;
clearTimeout(timer);
attempt.controller.signal.removeEventListener('abort', abortStartup);
return true;
};
const finish = (callback: () => void) => {
if (!claimSettlement()) return;
callback();
};
const terminateStartup = async () => {
this.ignoredExitProcesses.add(proc);
const exitPromise = this.waitForProcessExit(proc);
proc.kill();
const [exited, released] = await Promise.all([
typeof proc.pid === 'number' ? exitPromise : Promise.resolve(true),
this.waitForPortToBeReleased(runtimePort),
]);
if (exited && this.proc === proc) this.proc = null;
if (this.isActiveGeneration(attempt.generation)) {
this.recordPortReleaseOutcome(runtimePort, exited, released);
}
};
const timer = setTimeout(() => {
if (!claimSettlement()) return;
const error = formatStartupError(`Timed out waiting for opencode server after ${this.startupTimeoutMs}ms`);
if (this.isActiveGeneration(attempt.generation)) {
this.setStatus({ state: 'error', port: runtimePort, error });
}
void terminateStartup().then(
() => reject(new Error(error)),
reject,
);
}, this.startupTimeoutMs);
abortStartup = () => {
if (!claimSettlement()) return;
void terminateStartup().then(
() => reject(new OpencodeStartCancelledError()),
reject,
);
};
attempt.controller.signal.addEventListener('abort', abortStartup, { once: true });
if (attempt.controller.signal.aborted) abortStartup();
proc.stdout?.on('data', (chunk: Buffer) => {
if (!this.isActiveGeneration(attempt.generation) || this.proc !== proc) return;
stdout = `${stdout}${chunk.toString()}`;
if (stdout.length > 8_000) {
stdout = stdout.slice(-8_000);
}
const match = stdout.match(/opencode server listening\s+on\s+(https?:\/\/[^\s]+)/);
if (!match) return;
const listeningPort = parseRuntimePort(match[1]);
if (!listeningPort) return;
finish(() => {
this.setStatus({
state: 'running',
port: listeningPort,
url: match[1],
pid: proc.pid,
startedAt: Date.now(),
});
resolve(this.getStatus());
});
});
proc.stderr?.on('data', (chunk: Buffer) => {
if (!this.isActiveGeneration(attempt.generation)) return;
const message = chunk.toString();
appendStderr(message);
this.emit('stderr', message);
});
proc.on('error', (error) => {
finish(() => {
if (this.proc === proc) this.proc = null;
this.ignoredExitProcesses.add(proc);
if (this.isActiveGeneration(attempt.generation)) {
this.setStatus({ state: 'error', port: runtimePort, error: error.message });
}
reject(error);
});
});
proc.on('exit', (code) => {
if (this.proc === proc) this.proc = null;
if (!settled) {
clearTimeout(timer);
if (this.ignoredExitProcesses.has(proc)) {
finish(() => reject(new Error('opencode startup was stopped')));
return;
}
void this.inspectRuntimePort(runtimePort, true).then((portState) => {
if (!this.isActiveGeneration(attempt.generation)) {
finish(() => reject(new OpencodeStartCancelledError()));
return;
}
const existingServer = portState.existingServer;
if (existingServer) {
finish(() => {
logger.warn(
'[opencode-runtime] Attached to an existing server; newly generated provider config may not be active',
{
port: runtimePort,
url: existingServer.url,
},
);
this.setStatus(existingServer);
resolve(this.getStatus());
});
return;
}
if (
allowPortFallback
&& runtimePort === this.options.port
&& portState.occupied
) {
if (settled) return;
settled = true;
clearTimeout(timer);
this.logPortFallback();
void this.startRuntime(requestSequence, 0, false).then(resolve, reject);
return;
}
finish(() => {
const error = formatStartupError(code == null ? 'opencode process exited' : `Exited with code ${code}`);
if (this.isActiveGeneration(attempt.generation)) {
this.setStatus({ state: 'error', port: runtimePort, error });
}
reject(new Error(error));
});
});
return;
}
if (this.ignoredExitProcesses.has(proc)) return;
this.beginUnexpectedExitCleanup(
proc,
code,
this.isActiveGeneration(attempt.generation) ? this.status.port : runtimePort,
attempt.generation,
);
});
});
} catch (error) {
if (
!(error instanceof OpencodeStartCancelledError)
&& this.isActiveGeneration(attempt.generation)
&& this.status.state === 'starting'
) {
this.setStatus({
state: 'error',
port: this.status.port,
error: error instanceof Error ? error.message : String(error),
});
}
throw error;
} finally {
if (this.activeStartAttempt === attempt) {
this.activeStartAttempt = null;
}
}
}
private beginStartAttempt(requestSequence: number): RuntimeStartAttempt {
this.assertStartAllowed(requestSequence);
const attempt = {
generation: ++this.runtimeGeneration,
requestSequence,
controller: new AbortController(),
};
this.activeRuntimeGeneration = attempt.generation;
this.activeStartAttempt = attempt;
return attempt;
}
private cancelEarlierStarts(requestSequence: number): void {
this.cancelStartsBeforeSequence = Math.max(
this.cancelStartsBeforeSequence,
requestSequence,
);
if (
this.activeStartAttempt
&& this.activeStartAttempt.requestSequence < requestSequence
) {
this.activeStartAttempt.controller.abort();
}
}
private assertStartAllowed(requestSequence: number): void {
if (requestSequence < this.cancelStartsBeforeSequence) {
throw new OpencodeStartCancelledError();
}
}
private isActiveGeneration(generation: number): boolean {
return this.activeRuntimeGeneration === generation;
}
private async inspectPreferredPort(): Promise<{
occupied: boolean;
existingServer: OpencodeStatus | null;
}> {
return await this.inspectRuntimePort(this.options.port);
}
private async inspectRuntimePort(port: number, checkHealthFirst = false): Promise<{
occupied: boolean;
existingServer: OpencodeStatus | null;
}> {
if (port <= 0) return { occupied: false, existingServer: null };
if (checkHealthFirst) {
const existingServer = await this.findExistingServer(port);
if (existingServer) return { occupied: true, existingServer };
}
if (!this.options.findPortOwner) {
const available = await isLoopbackPortAvailable(port);
if (available) return { occupied: false, existingServer: null };
return {
occupied: true,
existingServer: await this.findExistingServer(port),
};
}
if (!checkHealthFirst) {
const existingServer = await this.findExistingServer(port);
if (existingServer) return { occupied: true, existingServer };
}
return {
occupied: Boolean(await this.findPortOwner(port)),
existingServer: null,
};
}
private async findExistingServer(port: number): Promise<OpencodeStatus | null> {
if (typeof globalThis.fetch !== 'function') return null;
const url = `http://127.0.0.1:${port}`;
const controller = new AbortController();
const timeout = setTimeout(() => controller.abort(), Math.min(this.startupTimeoutMs, 1_000));
try {
const response = await globalThis.fetch(`${url}/global/health`, {
signal: controller.signal,
});
if (!response.ok) return null;
const body = await response.json().catch(() => null);
if (!body || typeof body !== 'object') return null;
if ((body as { healthy?: unknown }).healthy !== true) return null;
return {
state: 'running',
port,
url,
startedAt: Date.now(),
};
} catch {
return null;
} finally {
clearTimeout(timeout);
}
}
private async stopAttachedServerIfManaged(port: number): Promise<void> {
const owner = await this.findPortOwner(port);
if (!owner || !isManagedOpencodePortOwner(owner, this.options.binPath)) {
return;
}
if (!this.killProcess(owner.pid)) {
this.trackedUnreleasedPorts.add(port);
throw new Error(`Failed to stop attached opencode process ${owner.pid}`);
}
logger.warn('[opencode-runtime] Stopped attached bundled opencode server on managed port', {
port,
pid: owner.pid,
});
const released = await this.waitForPortToBeReleased(port);
if (!released) {
this.trackedUnreleasedPorts.add(port);
throw new OpencodePortReleaseError(port);
}
this.trackedUnreleasedPorts.delete(port);
}
private async waitForPortToBeReleased(port: number): Promise<boolean> {
if (port <= 0) return true;
const deadline = Date.now() + ATTACHED_SERVER_STOP_TIMEOUT_MS;
while (Date.now() < deadline) {
const released = await this.isPortReleased(port);
if (released) return true;
await sleep(ATTACHED_SERVER_STOP_POLL_MS);
}
return false;
}
private async isPortReleased(port: number): Promise<boolean> {
if (port <= 0) return true;
return this.options.findPortOwner
? !await this.findPortOwner(port)
: await isLoopbackPortAvailable(port);
}
private async verifyTrackedPortsReleased(): Promise<void> {
for (const port of this.trackedUnreleasedPorts) {
if (await this.isPortReleased(port)) {
this.trackedUnreleasedPorts.delete(port);
continue;
}
throw new OpencodePortReleaseError(port);
}
}
private recordPortReleaseOutcome(
port: number,
processExited: boolean,
portReleased: boolean,
): void {
if (port <= 0) return;
if (processExited && portReleased) {
this.trackedUnreleasedPorts.delete(port);
return;
}
this.trackedUnreleasedPorts.add(port);
}
private waitForProcessExit(proc: ChildProcess): Promise<boolean> {
if (typeof proc.exitCode === 'number' || proc.signalCode != null) {
return Promise.resolve(true);
}
return new Promise((resolve) => {
const onExit = () => {
clearTimeout(timer);
resolve(true);
};
const timer = setTimeout(() => {
proc.off('exit', onExit);
resolve(false);
}, ATTACHED_SERVER_STOP_TIMEOUT_MS);
proc.once('exit', onExit);
});
}
private beginUnexpectedExitCleanup(
proc: ChildProcess,
code: number | null,
port: number,
generation: number,
): void {
const cleanupPromise = this.enqueueLifecycle(async () => {
const released = typeof proc.pid !== 'number'
|| await this.waitForPortToBeReleased(port);
if (!this.isActiveGeneration(generation)) {
if (!released && port > 0) this.trackedUnreleasedPorts.add(port);
return;
}
this.recordPortReleaseOutcome(port, true, released);
if (released) {
this.activeRuntimeGeneration = null;
this.setStatus({
state: 'stopped',
port: this.options.port,
error: code == null ? undefined : `Exited with code ${code}`,
});
return;
}
const error = new OpencodePortReleaseError(port).message;
this.setStatus({
state: 'error',
port,
...(typeof proc.pid === 'number' ? { pid: proc.pid } : {}),
error,
});
});
this.exitCleanupPromise = cleanupPromise;
void cleanupPromise.finally(() => {
if (this.exitCleanupPromise === cleanupPromise) {
this.exitCleanupPromise = null;
}
});
}
private logPortFallback(): void {
logger.warn('[opencode-runtime] Preferred port is occupied by an unhealthy listener; using an ephemeral port', {
preferredPort: this.options.port,
});
}
private resolveRuntimeEnv(runtimeEnv: Record<string, string>): Record<string, string> {
const inheritedEnvironment = mergeProcessEnvironment(runtimeEnv);
const userDataDir = this.options.userDataDir?.trim();
if (!userDataDir) {
return prependManagedRuntimesToPath(
inheritedEnvironment,
this.options.pythonRuntime,
this.options.uvRuntime,
);
}
const baseDir = join(userDataDir, 'opencode');
const configHome = join(baseDir, 'config');
const dataHome = join(baseDir, 'data');
const cacheHome = join(baseDir, 'cache');
const managedConfigDir = this.getManagedConfigDir() ?? getManagedOpencodeConfigDir(userDataDir);
mkdirSync(configHome, { recursive: true });
mkdirSync(dataHome, { recursive: true });
mkdirSync(cacheHome, { recursive: true });
mkdirSync(managedConfigDir, { recursive: true });
ensureBundledSuperpowersPlugin({
managedConfigDir,
sourceDir: this.options.bundledSuperpowersDir,
});
ensureBundledCourseSkills({
managedConfigDir,
sourceDir: this.options.bundledCourseSkillsDir,
});
ensureBundledAgentBrowserPlugin({
managedConfigDir,
sourcePath: this.options.bundledAgentBrowserPluginPath,
});
const environment = {
...inheritedEnvironment,
OPENCODE_CONFIG_DIR: managedConfigDir,
// Makelore exposes its managed and project-owned Skills explicitly. Avoid
// rescanning unrelated user-wide ~/.claude and ~/.agents Skill libraries
// during every project's cold bootstrap.
OPENCODE_DISABLE_EXTERNAL_SKILLS: '1',
NIANCODE_GAME_ASSETS_CLI: join(managedConfigDir, 'skills', 'game-assets', 'meowart_api.py'),
XDG_CONFIG_HOME: configHome,
XDG_DATA_HOME: dataHome,
XDG_CACHE_HOME: cacheHome,
};
return prependManagedRuntimesToPath(
environment,
this.options.pythonRuntime,
this.options.uvRuntime,
);
}
private setStatus(next: OpencodeStatus): void {
this.status = next;
this.emit('status', this.getStatus());
}
private resolveSpawnCommand(runtimeArgs: string[], runtimeEnv: Record<string, string>): SpawnCommand {
const binPath = this.options.binPath;
if (process.platform !== 'win32') {
return {
command: binPath,
args: runtimeArgs,
env: runtimeEnv,
};
}
if (/\.(?:exe|cmd|bat)$/i.test(binPath)) {
return {
command: binPath,
args: runtimeArgs,
env: runtimeEnv,
shell: /\.(?:cmd|bat)$/i.test(binPath),
};
}
return {
command: process.execPath,
args: [binPath, ...runtimeArgs],
env: {
...runtimeEnv,
ELECTRON_RUN_AS_NODE: '1',
},
};
}
private resolveRuntimeConfig(): RuntimeConfig | Promise<RuntimeConfig> {
if (this.runtimeConfigProvider) {
const providedRuntimeConfig = this.runtimeConfigProvider();
if (providedRuntimeConfig && typeof (providedRuntimeConfig as Promise<unknown>).then === 'function') {
return providedRuntimeConfig.then((runtimeConfig) => ({
config: runtimeConfig.config,
env: runtimeConfig.env ?? {},
}));
}
return {
config: providedRuntimeConfig.config,
env: providedRuntimeConfig.env ?? {},
};
}
const providedConfig = this.configProvider ? this.configProvider() : {};
if (providedConfig && typeof (providedConfig as Promise<unknown>).then === 'function') {
return providedConfig.then((config) => ({ config, env: {} }));
}
return { config: providedConfig, env: {} };
}
}