mirror of
https://github.com/permissionlesstech/bitchat.git
synced 2026-07-25 21:05:20 +00:00
575 lines
28 KiB
Swift
575 lines
28 KiB
Swift
import BitLogger
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import BitFoundation
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import Foundation
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/// Trust and identity lookups the router needs to pick couriers. Backed by
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/// the favorites store in production; injectable for tests.
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struct CourierDirectory {
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/// Noise static key for a peer we can address while they're offline.
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var noiseKey: (PeerID) -> Data?
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/// Whether a peer (by Noise static key) is a mutual favorite — the
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/// preferred courier tier. Verified non-favorites are the fallback tier,
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/// read off the transport snapshot.
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var isTrustedCourier: (Data) -> Bool
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@MainActor
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static func favoritesBacked() -> CourierDirectory {
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CourierDirectory(
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noiseKey: { peerID in
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// Offline favorites are addressed by the full 64-hex
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// noise-key ID, which carries the key itself; the favorites
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// lookup only resolves short 16-hex IDs.
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peerID.noiseKey
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?? FavoritesPersistenceService.shared.getFavoriteStatus(forPeerID: peerID)?.peerNoisePublicKey
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},
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isTrustedCourier: { noiseKey in
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FavoritesPersistenceService.shared.isMutualFavorite(noiseKey)
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}
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)
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}
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}
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/// Routes messages using available transports (Mesh, Nostr, etc.)
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@MainActor
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final class MessageRouter {
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typealias QueuedMessage = MessageOutboxStore.QueuedMessage
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private let transports: [Transport]
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private let now: () -> Date
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private let courierDirectory: CourierDirectory
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private let outboxStore: MessageOutboxStore?
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private let metrics: StoreAndForwardMetrics?
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/// Invoked whenever a retained private message is dropped without a
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/// delivery ack (attempt cap, TTL expiry, or per-peer overflow eviction)
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/// so the UI can surface the failure instead of leaving the message in a
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/// stale "sending/sent" state forever.
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var onMessageDropped: ((_ messageID: String, _ peerID: PeerID) -> Void)?
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/// Invoked when a message with no reachable transport was handed to at
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/// least one courier (a connected peer who will physically carry the
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/// sealed envelope). Delivery stays best-effort: the outbox retains the
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/// message until an ack arrives.
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var onMessageCarried: ((_ messageID: String, _ peerID: PeerID) -> Void)?
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/// Parallel deposit into the internet bridge: park a sealed copy on
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/// relays as a courier drop, so delivery stops requiring a physical
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/// courier encounter. No-op unless the bridge is enabled. Runs alongside
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/// (not instead of) mesh couriers; receivers dedup by message ID.
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/// Completion is true only after at least one default relay explicitly
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/// accepts the event, so a socket write followed by rejection cannot
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/// falsely show the sender's message as "carried".
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var bridgeCourierDeposit: ((
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_ content: String,
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_ messageID: String,
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_ recipientNoiseKey: Data,
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_ completion: @escaping @MainActor (Bool) -> Void
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) -> Void)?
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/// Re-attempts bridge drops for retained messages whose recipient no
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/// transport can promptly reach anymore. Covers sends that raced the BLE
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/// reachability retention window: a peer stays "reachable" for a minute
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/// after its radio disappears, so the original send trusted the mesh and
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/// skipped the deposit — and nothing else ever retried (field-found).
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/// Safe to call often: the drop layer dedups by message ID.
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func retryBridgeCourierDeposits() {
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guard bridgeCourierDeposit != nil else { return }
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for (peerID, queue) in outbox {
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guard let recipientKey = courierDirectory.noiseKey(peerID) else { continue }
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let promptlyDeliverable = transports.contains {
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$0.isPeerReachable(peerID) && $0.canDeliverPromptly(to: peerID)
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}
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guard !promptlyDeliverable else { continue }
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for message in queue where now().timeIntervalSince(message.timestamp) <= Self.messageTTLSeconds {
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requestBridgeCourierDeposit(message, for: peerID, recipientKey: recipientKey)
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}
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}
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}
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/// Arms the periodic sweep behind `retryBridgeCourierDeposits`. Called
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/// once by the bootstrapper after the deposit closure is wired; separate
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/// from init so tests drive the retry directly.
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func startBridgeDepositSweep(interval: TimeInterval = 120) {
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bridgeSweepTask?.cancel()
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bridgeSweepTask = Task { @MainActor [weak self] in
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while !Task.isCancelled {
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try? await Task.sleep(nanoseconds: UInt64(interval * 1_000_000_000))
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// Expire stale outbox entries in-session too — otherwise a DM
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// to a peer that never reconnects sits on "sending" until the
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// next relaunch instead of surfacing as failed.
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self?.cleanupExpiredMessages()
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self?.retryBridgeCourierDeposits()
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}
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}
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}
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private var bridgeSweepTask: Task<Void, Never>?
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private var bridgeDepositsInFlight = Set<String>()
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private var outbox: [PeerID: [QueuedMessage]] = [:]
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// Outbox limits to prevent unbounded memory growth
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private static let maxMessagesPerPeer = 100
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private static let messageTTLSeconds: TimeInterval = 24 * 60 * 60 // 24 hours
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// Bound resends of messages sent on a weak reachability signal that never
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// get a delivery ack (e.g. peer on an old client that doesn't ack).
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private static let maxSendAttempts = 8
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// Redundant couriers improve delivery odds; receivers dedup by message ID.
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private static let maxCouriersPerMessage = 3
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init(
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transports: [Transport],
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now: @escaping () -> Date = Date.init,
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courierDirectory: CourierDirectory? = nil,
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outboxStore: MessageOutboxStore? = nil,
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metrics: StoreAndForwardMetrics? = nil
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) {
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self.transports = transports
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self.now = now
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self.courierDirectory = courierDirectory ?? .favoritesBacked()
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self.outboxStore = outboxStore
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self.metrics = metrics
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self.outbox = outboxStore?.load() ?? [:]
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outboxStore?.setRecoveryHandler { [weak self] recovered in
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self?.mergeRecoveredOutbox(recovered)
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}
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// Observe favorites changes to learn Nostr mapping and flush queued messages
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NotificationCenter.default.addObserver(
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forName: .favoriteStatusChanged,
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object: nil,
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queue: .main
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) { [weak self] note in
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guard let self = self else { return }
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if let data = note.userInfo?["peerPublicKey"] as? Data {
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let peerID = PeerID(publicKey: data)
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Task { @MainActor in
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self.flushOutbox(for: peerID)
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}
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}
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// Handle key updates
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if let newKey = note.userInfo?["peerPublicKey"] as? Data,
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note.userInfo?["isKeyUpdate"] is Bool {
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let peerID = PeerID(publicKey: newKey)
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Task { @MainActor in
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self.flushOutbox(for: peerID)
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}
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}
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}
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}
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/// Wire one typed event sink to every route, including the queue-backed
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/// Nostr transport. Keeping this at the router boundary prevents a relay
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/// admission failure from disappearing merely because only the primary
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/// mesh transport was assigned a UI delegate.
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func setEventDelegate(_ delegate: TransportEventDelegate?) {
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for transport in transports {
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transport.eventDelegate = delegate
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}
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}
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// MARK: - Transport Selection
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private func reachableTransport(for peerID: PeerID) -> Transport? {
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transports.first { $0.isPeerReachable(peerID) }
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}
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private func connectedTransport(for peerID: PeerID) -> Transport? {
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transports.first { $0.isPeerConnected(peerID) }
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}
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// MARK: - Message Sending
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func sendPrivate(_ content: String, to peerID: PeerID, recipientNickname: String, messageID: String) {
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if let transport = connectedTransport(for: peerID), transport.canDeliverSecurely(to: peerID) {
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// A live link that can complete an encrypted delivery is a
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// strong delivery signal; trust it outright.
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SecureLogger.debug("Routing PM via \(type(of: transport)) (connected) to \(peerID.id.prefix(8))… id=\(messageID.prefix(8))…", category: .session)
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transport.sendPrivateMessage(content, to: peerID, recipientNickname: recipientNickname, messageID: messageID)
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return
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}
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let message = QueuedMessage(content: content, nickname: recipientNickname, messageID: messageID, timestamp: now(), sendAttempts: 1)
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if let transport = connectedTransport(for: peerID) {
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// "Connected" without an established secure session is forgeable:
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// link bindings heal on signature-verified "direct" announces, but
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// directness rides on the unsigned TTL, so a replayed announce can
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// bind an absent peer's ID to the replayer's link — where the send
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// stalls on a handshake the replayer can never complete. Send now
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// (a genuine link finishes the handshake and delivers), but retain
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// a copy and hand a sealed copy to couriers so nothing is silently
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// lost; receivers dedup resends by message ID.
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//
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// Deliberate metadata tradeoff: every pre-handshake first DM to a
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// connected peer hands nearby verified peers a sealed copy, so
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// they learn a DM to this recipient exists (never its content —
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// the envelope is opaque). Accepted for delivery robustness; the
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// deposit is cleared on ack. Don't "optimize" the courier call
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// away.
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SecureLogger.debug("Routing PM via \(type(of: transport)) (connected, no secure session) to \(peerID.id.prefix(8))… id=\(messageID.prefix(8))…", category: .session)
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transport.sendPrivateMessage(content, to: peerID, recipientNickname: recipientNickname, messageID: messageID)
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enqueue(message, for: peerID)
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attemptCourierDeposit(messageID: messageID, for: peerID)
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return
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}
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if let transport = reachableTransport(for: peerID) {
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// Reachability without a connection is a freshness heuristic (e.g.
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// the mesh retention window), so the send can silently go nowhere.
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// Send now, but retain a copy until a delivery/read ack clears it;
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// receivers dedup resends by message ID.
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SecureLogger.debug("Routing PM via \(type(of: transport)) (reachable) to \(peerID.id.prefix(8))… id=\(messageID.prefix(8))…", category: .session)
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transport.sendPrivateMessage(content, to: peerID, recipientNickname: recipientNickname, messageID: messageID)
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enqueue(message, for: peerID)
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// "Reachable" without prompt delivery means the send only joined
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// a queue (Nostr with relays down): also hand a sealed copy to
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// any connected couriers rather than waiting for internet that
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// may never come. Double delivery is harmless — receivers dedup
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// by message ID, and delivered/read acks never downgrade.
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if !transport.canDeliverPromptly(to: peerID) {
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attemptCourierDeposit(messageID: messageID, for: peerID)
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}
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} else {
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var unsent = message
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unsent.sendAttempts = 0
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enqueue(unsent, for: peerID)
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SecureLogger.debug("Queued PM for \(peerID.id.prefix(8))… (no reachable transport) id=\(messageID.prefix(8))… queue=\(outbox[peerID]?.count ?? 0)", category: .session)
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attemptCourierDeposit(messageID: messageID, for: peerID)
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}
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}
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// MARK: - Couriers
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/// Last resort when no transport can deliver promptly — the peer is
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/// unreachable, or only reachable through a send queue waiting on
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/// internet: seal the message to their known static key and hand it to
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/// connected couriers who may physically encounter them. Mutual favorites
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/// are preferred; signature-verified strangers fill remaining slots so a
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/// crowd without favorites can still carry mail (envelopes are opaque
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/// either way). The queued copy stays retained, so direct delivery still
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/// wins if the peer reappears first (receivers dedup by message ID).
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private func attemptCourierDeposit(messageID: String, for peerID: PeerID) {
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guard let recipientKey = courierDirectory.noiseKey(peerID),
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let entry = queuedMessage(messageID, for: peerID) else { return }
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// The bridge drop needs no connected courier — only the recipient
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// key — so it runs before the courier-slot bookkeeping.
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requestBridgeCourierDeposit(entry, for: peerID, recipientKey: recipientKey)
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let remainingSlots = Self.maxCouriersPerMessage - entry.depositedCourierKeys.count
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guard remainingSlots > 0 else { return }
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for transport in transports {
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let couriers = eligibleCouriers(
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on: transport,
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recipientKey: recipientKey,
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excluding: entry.depositedCourierKeys,
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limit: remainingSlots
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)
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guard !couriers.isEmpty else { continue }
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if transport.sendCourierMessage(entry.content, messageID: messageID, recipientNoiseKey: recipientKey, via: couriers.map(\.peerID)) {
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SecureLogger.debug("📦 PM \(messageID.prefix(8))… handed to \(couriers.count) courier(s) for \(peerID.id.prefix(8))…", category: .session)
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recordCourierDeposit(messageID: messageID, for: peerID, courierKeys: couriers.map(\.noiseKey))
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onMessageCarried?(messageID, peerID)
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return
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}
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}
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}
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/// A courier candidate just connected: hand them any queued mail they are
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/// not already carrying. This is what turns couriering from "a favorite
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/// happened to be around at send time" into eventual spread — deposits
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/// retry as eligible peers appear, until each message rides with
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/// `maxCouriersPerMessage` distinct couriers or expires.
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func courierBecameAvailable(_ peerID: PeerID) {
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for transport in transports {
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guard transport.isPeerConnected(peerID),
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let snapshot = transport.currentPeerSnapshots().first(where: { $0.peerID == peerID && $0.isConnected }),
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let courierKey = snapshot.noisePublicKey,
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courierDirectory.isTrustedCourier(courierKey) || snapshot.isVerified else { continue }
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let currentDate = now()
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for (recipient, queue) in outbox {
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// Mail *to* this peer flushes directly on connect.
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guard recipient != peerID,
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let recipientKey = courierDirectory.noiseKey(recipient),
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recipientKey != courierKey else { continue }
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for message in queue {
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guard message.depositedCourierKeys.count < Self.maxCouriersPerMessage,
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!message.depositedCourierKeys.contains(courierKey),
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currentDate.timeIntervalSince(message.timestamp) <= Self.messageTTLSeconds else { continue }
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if transport.sendCourierMessage(message.content, messageID: message.messageID, recipientNoiseKey: recipientKey, via: [peerID]) {
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SecureLogger.debug("📦 Deposit retry: PM \(message.messageID.prefix(8))… handed to \(peerID.id.prefix(8))… for \(recipient.id.prefix(8))…", category: .session)
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recordCourierDeposit(messageID: message.messageID, for: recipient, courierKeys: [courierKey])
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onMessageCarried?(message.messageID, recipient)
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}
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}
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}
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return
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}
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}
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private struct CourierCandidate {
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let peerID: PeerID
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let noiseKey: Data
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}
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private func eligibleCouriers(
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on transport: Transport,
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recipientKey: Data,
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excluding excludedKeys: Set<Data>,
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limit: Int
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) -> [CourierCandidate] {
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guard limit > 0 else { return [] }
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let candidates = transport.currentPeerSnapshots().compactMap { snapshot -> (CourierCandidate, isFavorite: Bool)? in
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guard snapshot.isConnected,
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let key = snapshot.noisePublicKey,
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key != recipientKey,
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!excludedKeys.contains(key) else { return nil }
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let isFavorite = courierDirectory.isTrustedCourier(key)
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guard isFavorite || snapshot.isVerified else { return nil }
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return (CourierCandidate(peerID: snapshot.peerID, noiseKey: key), isFavorite)
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}
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return candidates
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.sorted { $0.isFavorite && !$1.isFavorite }
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.prefix(limit)
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.map(\.0)
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}
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private func queuedMessage(_ messageID: String, for peerID: PeerID) -> QueuedMessage? {
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outbox[peerID]?.first { $0.messageID == messageID }
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}
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private func requestBridgeCourierDeposit(
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_ message: QueuedMessage,
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for peerID: PeerID,
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recipientKey: Data
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) {
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guard let bridgeCourierDeposit,
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bridgeDepositsInFlight.insert(message.messageID).inserted else { return }
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bridgeCourierDeposit(message.content, message.messageID, recipientKey) { [weak self] succeeded in
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guard let self else { return }
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self.bridgeDepositsInFlight.remove(message.messageID)
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// A direct delivery may have cleared the outbox while the relay
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// relay confirmation was in flight; do not regress its UI state.
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guard succeeded, self.queuedMessage(message.messageID, for: peerID) != nil else { return }
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self.onMessageCarried?(message.messageID, peerID)
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}
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}
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private func recordCourierDeposit(messageID: String, for peerID: PeerID, courierKeys: [Data]) {
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metrics?.record(.courierDeposited)
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guard var queue = outbox[peerID],
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let index = queue.firstIndex(where: { $0.messageID == messageID }) else { return }
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queue[index].depositedCourierKeys.formUnion(courierKeys)
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outbox[peerID] = queue
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persistOutbox()
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}
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// MARK: - Outbox Management
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/// A delivery or read ack confirms receipt; stop retaining the message.
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func markDelivered(_ messageID: String) {
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var cleared = false
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for (peerID, queue) in outbox {
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let filtered = queue.filter { $0.messageID != messageID }
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guard filtered.count != queue.count else { continue }
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outbox[peerID] = filtered.isEmpty ? nil : filtered
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cleared = true
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}
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// The durable snapshot may still be hidden by protected data. Record
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// the ack even when this cold-load view cannot find the message, then
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// persist the current view so the store retains a removal tombstone.
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outboxStore?.recordRemoval(messageID: messageID)
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if cleared {
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metrics?.record(.outboxDelivered)
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}
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persistOutbox()
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}
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private func enqueue(_ message: QueuedMessage, for peerID: PeerID) {
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var message = message
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var queue = outbox[peerID] ?? []
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// Re-sending an already-queued ID replaces the entry (keeps attempt
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// count fresh) but must not forget which couriers already carry it,
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// or the replacement re-burns the same courier slots.
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if let existing = queue.firstIndex(where: { $0.messageID == message.messageID }) {
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message.depositedCourierKeys.formUnion(queue[existing].depositedCourierKeys)
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queue.remove(at: existing)
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}
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queue.append(message)
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// Enforce per-peer size limit with FIFO eviction
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if queue.count > Self.maxMessagesPerPeer {
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let evicted = queue.removeFirst()
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SecureLogger.warning("📤 Outbox overflow for \(peerID.id.prefix(8))… - evicted oldest message: \(evicted.messageID.prefix(8))…", category: .session)
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dropMessage(evicted.messageID, for: peerID)
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}
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outbox[peerID] = queue
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metrics?.record(.outboxQueued)
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persistOutbox()
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}
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private func dropMessage(_ messageID: String, for peerID: PeerID) {
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metrics?.record(.outboxDropped)
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onMessageDropped?(messageID, peerID)
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}
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private func persistOutbox() {
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outboxStore?.save(outbox)
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}
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/// A cold BLE restoration can launch before protected files are readable.
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/// The store initially returns an empty snapshot in that case, then calls
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/// back after first unlock. Merge by message ID instead of replacing work
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/// accepted during the locked wake, persist the union, and immediately
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/// resume normal delivery attempts.
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private func mergeRecoveredOutbox(_ recovered: MessageOutboxStore.Snapshot) {
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for (peerID, recoveredQueue) in recovered {
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var queue = outbox[peerID] ?? []
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for var recoveredMessage in recoveredQueue {
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if let index = queue.firstIndex(where: { $0.messageID == recoveredMessage.messageID }) {
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recoveredMessage.sendAttempts = max(recoveredMessage.sendAttempts, queue[index].sendAttempts)
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recoveredMessage.depositedCourierKeys.formUnion(queue[index].depositedCourierKeys)
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queue[index] = recoveredMessage
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} else {
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queue.append(recoveredMessage)
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}
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}
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queue.sort { $0.timestamp < $1.timestamp }
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|
if queue.count > Self.maxMessagesPerPeer {
|
|
let overflow = queue.count - Self.maxMessagesPerPeer
|
|
for dropped in queue.prefix(overflow) {
|
|
dropMessage(dropped.messageID, for: peerID)
|
|
}
|
|
queue.removeFirst(overflow)
|
|
}
|
|
outbox[peerID] = queue
|
|
}
|
|
persistOutbox()
|
|
flushAllOutbox()
|
|
retryBridgeCourierDeposits()
|
|
}
|
|
|
|
/// Panic wipe: forget queued mail on disk and in memory.
|
|
func wipeOutbox() {
|
|
outbox.removeAll()
|
|
outboxStore?.wipe()
|
|
}
|
|
|
|
/// Returns true only when the receipt was handed to a reachable transport.
|
|
/// A false result means it was dropped (no route) and must NOT be recorded
|
|
/// as sent, or the sender's message would stay unread forever — the receipt
|
|
/// is retried on the next read scan (chat open / foreground / reconnect).
|
|
@discardableResult
|
|
func sendReadReceipt(_ receipt: ReadReceipt, to peerID: PeerID) -> Bool {
|
|
if let transport = reachableTransport(for: peerID) {
|
|
SecureLogger.debug("Routing READ ack via \(type(of: transport)) to \(peerID.id.prefix(8))… id=\(receipt.originalMessageID.prefix(8))…", category: .session)
|
|
transport.sendReadReceipt(receipt, to: peerID)
|
|
return true
|
|
} else if !transports.isEmpty {
|
|
SecureLogger.debug("No reachable transport for READ ack to \(peerID.id.prefix(8))… — leaving unsent for retry", category: .session)
|
|
}
|
|
return false
|
|
}
|
|
|
|
func sendFavoriteNotification(to peerID: PeerID, isFavorite: Bool) {
|
|
if let transport = connectedTransport(for: peerID) {
|
|
transport.sendFavoriteNotification(to: peerID, isFavorite: isFavorite)
|
|
} else if let transport = reachableTransport(for: peerID) {
|
|
transport.sendFavoriteNotification(to: peerID, isFavorite: isFavorite)
|
|
}
|
|
}
|
|
|
|
func flushOutbox(for peerID: PeerID) {
|
|
guard let queued = outbox[peerID], !queued.isEmpty else { return }
|
|
SecureLogger.debug("Flushing outbox for \(peerID.id.prefix(8))… count=\(queued.count)", category: .session)
|
|
|
|
let now = now()
|
|
var remaining: [QueuedMessage] = []
|
|
|
|
for message in queued {
|
|
// Skip expired messages (TTL exceeded)
|
|
if now.timeIntervalSince(message.timestamp) > Self.messageTTLSeconds {
|
|
SecureLogger.debug("⏰ Expired queued message for \(peerID.id.prefix(8))… id=\(message.messageID.prefix(8))… (age: \(Int(now.timeIntervalSince(message.timestamp)))s)", category: .session)
|
|
dropMessage(message.messageID, for: peerID)
|
|
continue
|
|
}
|
|
|
|
if let transport = connectedTransport(for: peerID), transport.canDeliverSecurely(to: peerID) {
|
|
// Live link with a secure session: send and stop retaining.
|
|
SecureLogger.debug("Outbox -> \(type(of: transport)) (connected) for \(peerID.id.prefix(8))… id=\(message.messageID.prefix(8))…", category: .session)
|
|
transport.sendPrivateMessage(message.content, to: peerID, recipientNickname: message.nickname, messageID: message.messageID)
|
|
metrics?.record(.outboxResent)
|
|
} else if let transport = connectedTransport(for: peerID) {
|
|
// "Connected" without a secure session — possibly a stolen
|
|
// binding from a replayed announce: send (a genuine link
|
|
// finishes the handshake and delivers) but keep retaining
|
|
// until an ack clears it. These flushes do NOT count toward
|
|
// the attempt-cap drop: the message was transmitted over a
|
|
// live link, so a peer whose handshake stalls across
|
|
// reconnect flapping must not burn through the cap and lose
|
|
// the store-and-forward copy this retention exists to
|
|
// preserve. Retention stays bounded by the 24h outbox TTL
|
|
// and the per-peer FIFO cap.
|
|
SecureLogger.debug("Outbox -> \(type(of: transport)) (connected, no secure session) for \(peerID.id.prefix(8))… id=\(message.messageID.prefix(8))…", category: .session)
|
|
transport.sendPrivateMessage(message.content, to: peerID, recipientNickname: message.nickname, messageID: message.messageID)
|
|
metrics?.record(.outboxResent)
|
|
remaining.append(message)
|
|
} else if let transport = reachableTransport(for: peerID) {
|
|
// Reachability without a connection is a freshness heuristic,
|
|
// so the send can silently go nowhere: send but keep retaining
|
|
// until an ack clears it, bounded by attempt count for peers
|
|
// that never ack.
|
|
guard message.sendAttempts < Self.maxSendAttempts else {
|
|
SecureLogger.warning("📤 Dropping unacked PM for \(peerID.id.prefix(8))… id=\(message.messageID.prefix(8))… after \(message.sendAttempts) attempts", category: .session)
|
|
dropMessage(message.messageID, for: peerID)
|
|
continue
|
|
}
|
|
SecureLogger.debug("Outbox -> \(type(of: transport)) (reachable) for \(peerID.id.prefix(8))… id=\(message.messageID.prefix(8))…", category: .session)
|
|
transport.sendPrivateMessage(message.content, to: peerID, recipientNickname: message.nickname, messageID: message.messageID)
|
|
metrics?.record(.outboxResent)
|
|
var retained = message
|
|
retained.sendAttempts += 1
|
|
remaining.append(retained)
|
|
} else {
|
|
remaining.append(message)
|
|
}
|
|
}
|
|
|
|
if remaining.isEmpty {
|
|
outbox.removeValue(forKey: peerID)
|
|
} else {
|
|
outbox[peerID] = remaining
|
|
}
|
|
persistOutbox()
|
|
}
|
|
|
|
func flushAllOutbox() {
|
|
for key in Array(outbox.keys) { flushOutbox(for: key) }
|
|
}
|
|
|
|
/// Periodically clean up expired messages from all outboxes
|
|
func cleanupExpiredMessages() {
|
|
let now = now()
|
|
var droppedAny = false
|
|
for peerID in Array(outbox.keys) {
|
|
var expiredMessageIDs: [String] = []
|
|
outbox[peerID]?.removeAll { message in
|
|
guard now.timeIntervalSince(message.timestamp) > Self.messageTTLSeconds else { return false }
|
|
expiredMessageIDs.append(message.messageID)
|
|
return true
|
|
}
|
|
if outbox[peerID]?.isEmpty == true {
|
|
outbox.removeValue(forKey: peerID)
|
|
}
|
|
for messageID in expiredMessageIDs {
|
|
SecureLogger.debug("⏰ Expired queued message for \(peerID.id.prefix(8))… id=\(messageID.prefix(8))…", category: .session)
|
|
dropMessage(messageID, for: peerID)
|
|
droppedAny = true
|
|
}
|
|
}
|
|
if droppedAny {
|
|
persistOutbox()
|
|
}
|
|
}
|
|
}
|