refactor: migrate iOS gateway to unified ws
This commit is contained in:
Peter Steinberger
572
apps/shared/ClawdbotKit/Sources/ClawdbotKit/GatewayChannel.swift
Normal file
572
apps/shared/ClawdbotKit/Sources/ClawdbotKit/GatewayChannel.swift
Normal file
@@ -0,0 +1,572 @@
|
||||
import ClawdbotProtocol
|
||||
import Foundation
|
||||
import OSLog
|
||||
|
||||
public protocol WebSocketTasking: AnyObject {
|
||||
var state: URLSessionTask.State { get }
|
||||
func resume()
|
||||
func cancel(with closeCode: URLSessionWebSocketTask.CloseCode, reason: Data?)
|
||||
func send(_ message: URLSessionWebSocketTask.Message) async throws
|
||||
func receive() async throws -> URLSessionWebSocketTask.Message
|
||||
func receive(completionHandler: @escaping @Sendable (Result<URLSessionWebSocketTask.Message, Error>) -> Void)
|
||||
}
|
||||
|
||||
extension URLSessionWebSocketTask: WebSocketTasking {}
|
||||
|
||||
public struct WebSocketTaskBox: @unchecked Sendable {
|
||||
public let task: any WebSocketTasking
|
||||
|
||||
public var state: URLSessionTask.State { self.task.state }
|
||||
|
||||
public func resume() { self.task.resume() }
|
||||
|
||||
public func cancel(with closeCode: URLSessionWebSocketTask.CloseCode, reason: Data?) {
|
||||
self.task.cancel(with: closeCode, reason: reason)
|
||||
}
|
||||
|
||||
public func send(_ message: URLSessionWebSocketTask.Message) async throws {
|
||||
try await self.task.send(message)
|
||||
}
|
||||
|
||||
public func receive() async throws -> URLSessionWebSocketTask.Message {
|
||||
try await self.task.receive()
|
||||
}
|
||||
|
||||
public func receive(
|
||||
completionHandler: @escaping @Sendable (Result<URLSessionWebSocketTask.Message, Error>) -> Void)
|
||||
{
|
||||
self.task.receive(completionHandler: completionHandler)
|
||||
}
|
||||
}
|
||||
|
||||
public protocol WebSocketSessioning: AnyObject {
|
||||
func makeWebSocketTask(url: URL) -> WebSocketTaskBox
|
||||
}
|
||||
|
||||
extension URLSession: WebSocketSessioning {
|
||||
func makeWebSocketTask(url: URL) -> WebSocketTaskBox {
|
||||
let task = self.webSocketTask(with: url)
|
||||
// Avoid "Message too long" receive errors for large snapshots / history payloads.
|
||||
task.maximumMessageSize = 16 * 1024 * 1024 // 16 MB
|
||||
return WebSocketTaskBox(task: task)
|
||||
}
|
||||
}
|
||||
|
||||
public struct WebSocketSessionBox: @unchecked Sendable {
|
||||
public let session: any WebSocketSessioning
|
||||
}
|
||||
|
||||
public struct GatewayConnectOptions: Sendable {
|
||||
public var role: String
|
||||
public var scopes: [String]
|
||||
public var caps: [String]
|
||||
public var commands: [String]
|
||||
public var permissions: [String: Bool]
|
||||
public var clientId: String
|
||||
public var clientMode: String
|
||||
public var clientDisplayName: String?
|
||||
|
||||
public init(
|
||||
role: String,
|
||||
scopes: [String],
|
||||
caps: [String],
|
||||
commands: [String],
|
||||
permissions: [String: Bool],
|
||||
clientId: String,
|
||||
clientMode: String,
|
||||
clientDisplayName: String?)
|
||||
{
|
||||
self.role = role
|
||||
self.scopes = scopes
|
||||
self.caps = caps
|
||||
self.commands = commands
|
||||
self.permissions = permissions
|
||||
self.clientId = clientId
|
||||
self.clientMode = clientMode
|
||||
self.clientDisplayName = clientDisplayName
|
||||
}
|
||||
}
|
||||
|
||||
// Avoid ambiguity with the app's own AnyCodable type.
|
||||
private typealias ProtoAnyCodable = ClawdbotProtocol.AnyCodable
|
||||
|
||||
public actor GatewayChannelActor {
|
||||
private let logger = Logger(subsystem: "com.clawdbot", category: "gateway")
|
||||
private var task: WebSocketTaskBox?
|
||||
private var pending: [String: CheckedContinuation<GatewayFrame, Error>] = [:]
|
||||
private var connected = false
|
||||
private var isConnecting = false
|
||||
private var connectWaiters: [CheckedContinuation<Void, Error>] = []
|
||||
private var url: URL
|
||||
private var token: String?
|
||||
private var password: String?
|
||||
private let session: WebSocketSessioning
|
||||
private var backoffMs: Double = 500
|
||||
private var shouldReconnect = true
|
||||
private var lastSeq: Int?
|
||||
private var lastTick: Date?
|
||||
private var tickIntervalMs: Double = 30000
|
||||
private let decoder = JSONDecoder()
|
||||
private let encoder = JSONEncoder()
|
||||
private let connectTimeoutSeconds: Double = 6
|
||||
private var watchdogTask: Task<Void, Never>?
|
||||
private var tickTask: Task<Void, Never>?
|
||||
private let defaultRequestTimeoutMs: Double = 15000
|
||||
private let pushHandler: (@Sendable (GatewayPush) async -> Void)?
|
||||
private let connectOptions: GatewayConnectOptions?
|
||||
private let disconnectHandler: (@Sendable (String) async -> Void)?
|
||||
|
||||
public init(
|
||||
url: URL,
|
||||
token: String?,
|
||||
password: String? = nil,
|
||||
session: WebSocketSessionBox? = nil,
|
||||
pushHandler: (@Sendable (GatewayPush) async -> Void)? = nil,
|
||||
connectOptions: GatewayConnectOptions? = nil,
|
||||
disconnectHandler: (@Sendable (String) async -> Void)? = nil)
|
||||
{
|
||||
self.url = url
|
||||
self.token = token
|
||||
self.password = password
|
||||
self.session = session?.session ?? URLSession(configuration: .default)
|
||||
self.pushHandler = pushHandler
|
||||
self.connectOptions = connectOptions
|
||||
self.disconnectHandler = disconnectHandler
|
||||
Task { [weak self] in
|
||||
await self?.startWatchdog()
|
||||
}
|
||||
}
|
||||
|
||||
public func shutdown() async {
|
||||
self.shouldReconnect = false
|
||||
self.connected = false
|
||||
|
||||
self.watchdogTask?.cancel()
|
||||
self.watchdogTask = nil
|
||||
|
||||
self.tickTask?.cancel()
|
||||
self.tickTask = nil
|
||||
|
||||
self.task?.cancel(with: .goingAway, reason: nil)
|
||||
self.task = nil
|
||||
|
||||
await self.failPending(NSError(
|
||||
domain: "Gateway",
|
||||
code: 0,
|
||||
userInfo: [NSLocalizedDescriptionKey: "gateway channel shutdown"]))
|
||||
|
||||
let waiters = self.connectWaiters
|
||||
self.connectWaiters.removeAll()
|
||||
for waiter in waiters {
|
||||
waiter.resume(throwing: NSError(
|
||||
domain: "Gateway",
|
||||
code: 0,
|
||||
userInfo: [NSLocalizedDescriptionKey: "gateway channel shutdown"]))
|
||||
}
|
||||
}
|
||||
|
||||
private func startWatchdog() {
|
||||
self.watchdogTask?.cancel()
|
||||
self.watchdogTask = Task { [weak self] in
|
||||
guard let self else { return }
|
||||
await self.watchdogLoop()
|
||||
}
|
||||
}
|
||||
|
||||
private func watchdogLoop() async {
|
||||
// Keep nudging reconnect in case exponential backoff stalls.
|
||||
while self.shouldReconnect {
|
||||
try? await Task.sleep(nanoseconds: 30 * 1_000_000_000) // 30s cadence
|
||||
guard self.shouldReconnect else { return }
|
||||
if self.connected { continue }
|
||||
do {
|
||||
try await self.connect()
|
||||
} catch {
|
||||
let wrapped = self.wrap(error, context: "gateway watchdog reconnect")
|
||||
self.logger.error("gateway watchdog reconnect failed \(wrapped.localizedDescription, privacy: .public)")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public func connect() async throws {
|
||||
if self.connected, self.task?.state == .running { return }
|
||||
if self.isConnecting {
|
||||
try await withCheckedThrowingContinuation { cont in
|
||||
self.connectWaiters.append(cont)
|
||||
}
|
||||
return
|
||||
}
|
||||
self.isConnecting = true
|
||||
defer { self.isConnecting = false }
|
||||
|
||||
self.task?.cancel(with: .goingAway, reason: nil)
|
||||
self.task = self.session.makeWebSocketTask(url: self.url)
|
||||
self.task?.resume()
|
||||
do {
|
||||
try await AsyncTimeout.withTimeout(
|
||||
seconds: self.connectTimeoutSeconds,
|
||||
onTimeout: {
|
||||
NSError(
|
||||
domain: "Gateway",
|
||||
code: 1,
|
||||
userInfo: [NSLocalizedDescriptionKey: "connect timed out"])
|
||||
},
|
||||
operation: { try await self.sendConnect() })
|
||||
} catch {
|
||||
let wrapped = self.wrap(error, context: "connect to gateway @ \(self.url.absoluteString)")
|
||||
self.connected = false
|
||||
self.task?.cancel(with: .goingAway, reason: nil)
|
||||
await self.disconnectHandler?("connect failed: \(wrapped.localizedDescription)")
|
||||
let waiters = self.connectWaiters
|
||||
self.connectWaiters.removeAll()
|
||||
for waiter in waiters {
|
||||
waiter.resume(throwing: wrapped)
|
||||
}
|
||||
self.logger.error("gateway ws connect failed \(wrapped.localizedDescription, privacy: .public)")
|
||||
throw wrapped
|
||||
}
|
||||
self.listen()
|
||||
self.connected = true
|
||||
self.backoffMs = 500
|
||||
self.lastSeq = nil
|
||||
|
||||
let waiters = self.connectWaiters
|
||||
self.connectWaiters.removeAll()
|
||||
for waiter in waiters {
|
||||
waiter.resume(returning: ())
|
||||
}
|
||||
}
|
||||
|
||||
private func sendConnect() async throws {
|
||||
let platform = InstanceIdentity.platformString
|
||||
let primaryLocale = Locale.preferredLanguages.first ?? Locale.current.identifier
|
||||
let options = self.connectOptions ?? GatewayConnectOptions(
|
||||
role: "operator",
|
||||
scopes: ["operator.admin", "operator.approvals", "operator.pairing"],
|
||||
caps: [],
|
||||
commands: [],
|
||||
permissions: [:],
|
||||
clientId: "clawdbot-macos",
|
||||
clientMode: "ui",
|
||||
clientDisplayName: InstanceIdentity.displayName)
|
||||
let clientDisplayName = options.clientDisplayName ?? InstanceIdentity.displayName
|
||||
let clientId = options.clientId
|
||||
let clientMode = options.clientMode
|
||||
|
||||
let reqId = UUID().uuidString
|
||||
var client: [String: ProtoAnyCodable] = [
|
||||
"id": ProtoAnyCodable(clientId),
|
||||
"displayName": ProtoAnyCodable(clientDisplayName),
|
||||
"version": ProtoAnyCodable(
|
||||
Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "dev"),
|
||||
"platform": ProtoAnyCodable(platform),
|
||||
"mode": ProtoAnyCodable(clientMode),
|
||||
"instanceId": ProtoAnyCodable(InstanceIdentity.instanceId),
|
||||
]
|
||||
client["deviceFamily"] = ProtoAnyCodable(InstanceIdentity.deviceFamily)
|
||||
if let model = InstanceIdentity.modelIdentifier {
|
||||
client["modelIdentifier"] = ProtoAnyCodable(model)
|
||||
}
|
||||
var params: [String: ProtoAnyCodable] = [
|
||||
"minProtocol": ProtoAnyCodable(GATEWAY_PROTOCOL_VERSION),
|
||||
"maxProtocol": ProtoAnyCodable(GATEWAY_PROTOCOL_VERSION),
|
||||
"client": ProtoAnyCodable(client),
|
||||
"caps": ProtoAnyCodable(options.caps),
|
||||
"locale": ProtoAnyCodable(primaryLocale),
|
||||
"userAgent": ProtoAnyCodable(ProcessInfo.processInfo.operatingSystemVersionString),
|
||||
"role": ProtoAnyCodable(options.role),
|
||||
"scopes": ProtoAnyCodable(options.scopes),
|
||||
]
|
||||
if !options.commands.isEmpty {
|
||||
params["commands"] = ProtoAnyCodable(options.commands)
|
||||
}
|
||||
if !options.permissions.isEmpty {
|
||||
params["permissions"] = ProtoAnyCodable(options.permissions)
|
||||
}
|
||||
if let token = self.token {
|
||||
params["auth"] = ProtoAnyCodable(["token": ProtoAnyCodable(token)])
|
||||
} else if let password = self.password {
|
||||
params["auth"] = ProtoAnyCodable(["password": ProtoAnyCodable(password)])
|
||||
}
|
||||
let identity = DeviceIdentityStore.loadOrCreate()
|
||||
let signedAtMs = Int(Date().timeIntervalSince1970 * 1000)
|
||||
let scopes = options.scopes.joined(separator: ",")
|
||||
let payload = [
|
||||
"v1",
|
||||
identity.deviceId,
|
||||
clientId,
|
||||
clientMode,
|
||||
options.role,
|
||||
scopes,
|
||||
String(signedAtMs),
|
||||
self.token ?? "",
|
||||
].joined(separator: "|")
|
||||
if let signature = DeviceIdentityStore.signPayload(payload, identity: identity),
|
||||
let publicKey = DeviceIdentityStore.publicKeyBase64Url(identity) {
|
||||
params["device"] = ProtoAnyCodable([
|
||||
"id": ProtoAnyCodable(identity.deviceId),
|
||||
"publicKey": ProtoAnyCodable(publicKey),
|
||||
"signature": ProtoAnyCodable(signature),
|
||||
"signedAt": ProtoAnyCodable(signedAtMs),
|
||||
])
|
||||
}
|
||||
|
||||
let frame = RequestFrame(
|
||||
type: "req",
|
||||
id: reqId,
|
||||
method: "connect",
|
||||
params: ProtoAnyCodable(params))
|
||||
let data = try self.encoder.encode(frame)
|
||||
try await self.task?.send(.data(data))
|
||||
guard let msg = try await task?.receive() else {
|
||||
throw NSError(
|
||||
domain: "Gateway",
|
||||
code: 1,
|
||||
userInfo: [NSLocalizedDescriptionKey: "connect failed (no response)"])
|
||||
}
|
||||
try await self.handleConnectResponse(msg, reqId: reqId)
|
||||
}
|
||||
|
||||
private func handleConnectResponse(_ msg: URLSessionWebSocketTask.Message, reqId: String) async throws {
|
||||
let data: Data? = switch msg {
|
||||
case let .data(d): d
|
||||
case let .string(s): s.data(using: .utf8)
|
||||
@unknown default: nil
|
||||
}
|
||||
guard let data else {
|
||||
throw NSError(
|
||||
domain: "Gateway",
|
||||
code: 1,
|
||||
userInfo: [NSLocalizedDescriptionKey: "connect failed (empty response)"])
|
||||
}
|
||||
let decoder = JSONDecoder()
|
||||
guard let frame = try? decoder.decode(GatewayFrame.self, from: data) else {
|
||||
throw NSError(
|
||||
domain: "Gateway",
|
||||
code: 1,
|
||||
userInfo: [NSLocalizedDescriptionKey: "connect failed (invalid response)"])
|
||||
}
|
||||
guard case let .res(res) = frame, res.id == reqId else {
|
||||
throw NSError(
|
||||
domain: "Gateway",
|
||||
code: 1,
|
||||
userInfo: [NSLocalizedDescriptionKey: "connect failed (unexpected response)"])
|
||||
}
|
||||
if res.ok == false {
|
||||
let msg = (res.error?["message"]?.value as? String) ?? "gateway connect failed"
|
||||
throw NSError(domain: "Gateway", code: 1008, userInfo: [NSLocalizedDescriptionKey: msg])
|
||||
}
|
||||
guard let payload = res.payload else {
|
||||
throw NSError(
|
||||
domain: "Gateway",
|
||||
code: 1,
|
||||
userInfo: [NSLocalizedDescriptionKey: "connect failed (missing payload)"])
|
||||
}
|
||||
let payloadData = try self.encoder.encode(payload)
|
||||
let ok = try decoder.decode(HelloOk.self, from: payloadData)
|
||||
if let tick = ok.policy["tickIntervalMs"]?.value as? Double {
|
||||
self.tickIntervalMs = tick
|
||||
} else if let tick = ok.policy["tickIntervalMs"]?.value as? Int {
|
||||
self.tickIntervalMs = Double(tick)
|
||||
}
|
||||
self.lastTick = Date()
|
||||
self.tickTask?.cancel()
|
||||
self.tickTask = Task { [weak self] in
|
||||
guard let self else { return }
|
||||
await self.watchTicks()
|
||||
}
|
||||
await self.pushHandler?(.snapshot(ok))
|
||||
}
|
||||
|
||||
private func listen() {
|
||||
self.task?.receive { [weak self] result in
|
||||
guard let self else { return }
|
||||
switch result {
|
||||
case let .failure(err):
|
||||
Task { await self.handleReceiveFailure(err) }
|
||||
case let .success(msg):
|
||||
Task {
|
||||
await self.handle(msg)
|
||||
await self.listen()
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private func handleReceiveFailure(_ err: Error) async {
|
||||
let wrapped = self.wrap(err, context: "gateway receive")
|
||||
self.logger.error("gateway ws receive failed \(wrapped.localizedDescription, privacy: .public)")
|
||||
self.connected = false
|
||||
await self.disconnectHandler?("receive failed: \(wrapped.localizedDescription)")
|
||||
await self.failPending(wrapped)
|
||||
await self.scheduleReconnect()
|
||||
}
|
||||
|
||||
private func handle(_ msg: URLSessionWebSocketTask.Message) async {
|
||||
let data: Data? = switch msg {
|
||||
case let .data(d): d
|
||||
case let .string(s): s.data(using: .utf8)
|
||||
@unknown default: nil
|
||||
}
|
||||
guard let data else { return }
|
||||
guard let frame = try? self.decoder.decode(GatewayFrame.self, from: data) else {
|
||||
self.logger.error("gateway decode failed")
|
||||
return
|
||||
}
|
||||
switch frame {
|
||||
case let .res(res):
|
||||
let id = res.id
|
||||
if let waiter = pending.removeValue(forKey: id) {
|
||||
waiter.resume(returning: .res(res))
|
||||
}
|
||||
case let .event(evt):
|
||||
if let seq = evt.seq {
|
||||
if let last = lastSeq, seq > last + 1 {
|
||||
await self.pushHandler?(.seqGap(expected: last + 1, received: seq))
|
||||
}
|
||||
self.lastSeq = seq
|
||||
}
|
||||
if evt.event == "tick" { self.lastTick = Date() }
|
||||
await self.pushHandler?(.event(evt))
|
||||
default:
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
private func watchTicks() async {
|
||||
let tolerance = self.tickIntervalMs * 2
|
||||
while self.connected {
|
||||
try? await Task.sleep(nanoseconds: UInt64(tolerance * 1_000_000))
|
||||
guard self.connected else { return }
|
||||
if let last = self.lastTick {
|
||||
let delta = Date().timeIntervalSince(last) * 1000
|
||||
if delta > tolerance {
|
||||
self.logger.error("gateway tick missed; reconnecting")
|
||||
self.connected = false
|
||||
await self.failPending(
|
||||
NSError(
|
||||
domain: "Gateway",
|
||||
code: 4,
|
||||
userInfo: [NSLocalizedDescriptionKey: "gateway tick missed; reconnecting"]))
|
||||
await self.scheduleReconnect()
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private func scheduleReconnect() async {
|
||||
guard self.shouldReconnect else { return }
|
||||
let delay = self.backoffMs / 1000
|
||||
self.backoffMs = min(self.backoffMs * 2, 30000)
|
||||
try? await Task.sleep(nanoseconds: UInt64(delay * 1_000_000_000))
|
||||
guard self.shouldReconnect else { return }
|
||||
do {
|
||||
try await self.connect()
|
||||
} catch {
|
||||
let wrapped = self.wrap(error, context: "gateway reconnect")
|
||||
self.logger.error("gateway reconnect failed \(wrapped.localizedDescription, privacy: .public)")
|
||||
await self.scheduleReconnect()
|
||||
}
|
||||
}
|
||||
|
||||
public func request(
|
||||
method: String,
|
||||
params: [String: ClawdbotProtocol.AnyCodable]?,
|
||||
timeoutMs: Double? = nil) async throws -> Data
|
||||
{
|
||||
do {
|
||||
try await self.connect()
|
||||
} catch {
|
||||
throw self.wrap(error, context: "gateway connect")
|
||||
}
|
||||
let id = UUID().uuidString
|
||||
let effectiveTimeout = timeoutMs ?? self.defaultRequestTimeoutMs
|
||||
// Encode request using the generated models to avoid JSONSerialization/ObjC bridging pitfalls.
|
||||
let paramsObject: ProtoAnyCodable? = params.map { entries in
|
||||
let dict = entries.reduce(into: [String: ProtoAnyCodable]()) { dict, entry in
|
||||
dict[entry.key] = ProtoAnyCodable(entry.value.value)
|
||||
}
|
||||
return ProtoAnyCodable(dict)
|
||||
}
|
||||
let frame = RequestFrame(
|
||||
type: "req",
|
||||
id: id,
|
||||
method: method,
|
||||
params: paramsObject)
|
||||
let data = try self.encoder.encode(frame)
|
||||
let response = try await withCheckedThrowingContinuation { (cont: CheckedContinuation<GatewayFrame, Error>) in
|
||||
self.pending[id] = cont
|
||||
Task { [weak self] in
|
||||
guard let self else { return }
|
||||
try? await Task.sleep(nanoseconds: UInt64(effectiveTimeout * 1_000_000))
|
||||
await self.timeoutRequest(id: id, timeoutMs: effectiveTimeout)
|
||||
}
|
||||
Task {
|
||||
do {
|
||||
try await self.task?.send(.data(data))
|
||||
} catch {
|
||||
let wrapped = self.wrap(error, context: "gateway send \(method)")
|
||||
let waiter = self.pending.removeValue(forKey: id)
|
||||
// Treat send failures as a broken socket: mark disconnected and trigger reconnect.
|
||||
self.connected = false
|
||||
self.task?.cancel(with: .goingAway, reason: nil)
|
||||
Task { [weak self] in
|
||||
guard let self else { return }
|
||||
await self.scheduleReconnect()
|
||||
}
|
||||
if let waiter { waiter.resume(throwing: wrapped) }
|
||||
}
|
||||
}
|
||||
}
|
||||
guard case let .res(res) = response else {
|
||||
throw NSError(domain: "Gateway", code: 2, userInfo: [NSLocalizedDescriptionKey: "unexpected frame"])
|
||||
}
|
||||
if res.ok == false {
|
||||
let code = res.error?["code"]?.value as? String
|
||||
let msg = res.error?["message"]?.value as? String
|
||||
let details: [String: ClawdbotProtocol.AnyCodable] = (res.error ?? [:]).reduce(into: [:]) { acc, pair in
|
||||
acc[pair.key] = ClawdbotProtocol.AnyCodable(pair.value.value)
|
||||
}
|
||||
throw GatewayResponseError(method: method, code: code, message: msg, details: details)
|
||||
}
|
||||
if let payload = res.payload {
|
||||
// Encode back to JSON with Swift's encoder to preserve types and avoid ObjC bridging exceptions.
|
||||
return try self.encoder.encode(payload)
|
||||
}
|
||||
return Data() // Should not happen, but tolerate empty payloads.
|
||||
}
|
||||
|
||||
// Wrap low-level URLSession/WebSocket errors with context so UI can surface them.
|
||||
private func wrap(_ error: Error, context: String) -> Error {
|
||||
if let urlError = error as? URLError {
|
||||
let desc = urlError.localizedDescription.isEmpty ? "cancelled" : urlError.localizedDescription
|
||||
return NSError(
|
||||
domain: URLError.errorDomain,
|
||||
code: urlError.errorCode,
|
||||
userInfo: [NSLocalizedDescriptionKey: "\(context): \(desc)"])
|
||||
}
|
||||
let ns = error as NSError
|
||||
let desc = ns.localizedDescription.isEmpty ? "unknown" : ns.localizedDescription
|
||||
return NSError(domain: ns.domain, code: ns.code, userInfo: [NSLocalizedDescriptionKey: "\(context): \(desc)"])
|
||||
}
|
||||
|
||||
private func failPending(_ error: Error) async {
|
||||
let waiters = self.pending
|
||||
self.pending.removeAll()
|
||||
for (_, waiter) in waiters {
|
||||
waiter.resume(throwing: error)
|
||||
}
|
||||
}
|
||||
|
||||
private func timeoutRequest(id: String, timeoutMs: Double) async {
|
||||
guard let waiter = self.pending.removeValue(forKey: id) else { return }
|
||||
let err = NSError(
|
||||
domain: "Gateway",
|
||||
code: 5,
|
||||
userInfo: [NSLocalizedDescriptionKey: "gateway request timed out after \(Int(timeoutMs))ms"])
|
||||
waiter.resume(throwing: err)
|
||||
}
|
||||
}
|
||||
|
||||
// Intentionally no `GatewayChannel` wrapper: the app should use the single shared `GatewayConnection`.
|
||||
Reference in New Issue
Block a user