Function chooseDaemonPort

apps/cli/src/daemon.ts:293–311

(input: {
  preferredPort: number;
  hostname: string;
})

  });

export const chooseDaemonPort = (input: {
  preferredPort: number;
  hostname: string;
}): Effect.Effect<number, Error> =>
  Effect.gen(function* () {
    const preferredAvailable = yield* isPortAvailable({
      hostname: input.hostname,
      port: input.preferredPort,
    });
    if (preferredAvailable) return input.preferredPort;

    const fallbackPort = yield* pickEphemeralPort(input.hostname);
    if (!Number.isFinite(fallbackPort) || fallbackPort <= 0 || fallbackPort > 65535) {
      return yield* Effect.fail(
        new Error(`Could not find an available daemon port for host ${input.hostname}`),
      );
    }
    return fallbackPort;
  });

// ---------------------------------------------------------------------------
// Service-install planning (pure)