44 lines
1.7 KiB
JavaScript
44 lines
1.7 KiB
JavaScript
import { realExcluded } from "./error-map.mjs";
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export const LIMITS = Object.freeze({
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max_command_bytes: 65536,
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max_snapshot_bytes: 1048576,
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max_tick_step: 1000000,
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max_event_records: 256,
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max_workspace_path_bytes: 1024,
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max_workspace_file_bytes: 64 * 1024 * 1024,
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});
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export const COMMANDS = Object.freeze([
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"SESSION_ATTACH", "LOAD_WORKSPACE", "COMMAND", "SIM_STEP", "SNAPSHOT_REQUEST",
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"PROGRAM_PAUSE", "PROGRAM_RESUME", "CHECKPOINT", "RECOVER", "DESTROY",
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]);
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export const EXCLUSIONS = Object.freeze([
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realExcluded("real_hardware", "browser_has_no_direct_machine_control", "digital_twin"),
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realExcluded("linux_realtime_kernel", "wasm_worker_uses_logical_ticks", "fixed_tick_scheduler"),
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realExcluded("host_device_access", "browser_sandbox_disallows_arbitrary_devices", "virtual_device_adapter"),
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]);
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export function capabilities(contextId) {
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return {
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context_id: contextId,
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abi: 1,
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protocol: 1,
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snapshot: 1,
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event: 1,
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workspace: 1,
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commands: [...COMMANDS],
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streams: ["STATE_SNAPSHOT", "EVENT", "ALARM"],
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limits: { ...LIMITS },
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exclusions: EXCLUSIONS.map((entry) => ({ ...entry })),
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};
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}
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export function validateLimit(name, value) {
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if (!(name in LIMITS)) return { status: "blocked", code: "capability_unknown_limit", message_key: "capability.unknown_limit", limit: name };
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if (!Number.isSafeInteger(value) || value < 0) return { status: "blocked", code: "capability_invalid_value", message_key: "capability.invalid_value", limit: name, value };
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if (value > LIMITS[name]) return { status: "blocked", code: "capability_limit_exceeded", message_key: "capability.limit_exceeded", limit: name, value, maximum: LIMITS[name] };
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return { status: "accepted", limit: name, value, maximum: LIMITS[name] };
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}
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