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Improve logging in SubscriptionManager

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Use Apple's unified logging system, and specify proper privacy levels
for each piece of information.

Signed-off-by: Daniel D’Aquino <daniel@daquino.me>
This commit is contained in:
Daniel D’Aquino
2025-10-01 11:18:15 -07:00
parent 1b5f107ac6
commit 32e8c1b6e1
1 changed files with 31 additions and 19 deletions
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50
damus/Core/Networking/NostrNetworkManager/SubscriptionManager.swift
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@@ -5,6 +5,8 @@
// Created by Daniel D’Aquino on 2025-03-25. // Created by Daniel D’Aquino on 2025-03-25.
// //
import Foundation import Foundation
import os
extension NostrNetworkManager { extension NostrNetworkManager {
/// Reads or fetches information from RelayPool and NostrDB, and provides an easier and unified higher-level interface. /// Reads or fetches information from RelayPool and NostrDB, and provides an easier and unified higher-level interface.
@@ -18,6 +20,11 @@ extension NostrNetworkManager {
private var taskManager: TaskManager private var taskManager: TaskManager
private let experimentalLocalRelayModelSupport: Bool private let experimentalLocalRelayModelSupport: Bool
private static let logger = Logger(
subsystem: Constants.MAIN_APP_BUNDLE_IDENTIFIER,
category: "subscription_manager"
)
let EXTRA_VERBOSE_LOGGING: Bool = false let EXTRA_VERBOSE_LOGGING: Bool = false
init(pool: RelayPool, ndb: Ndb, experimentalLocalRelayModelSupport: Bool) { init(pool: RelayPool, ndb: Ndb, experimentalLocalRelayModelSupport: Bool) {
@@ -110,33 +117,33 @@ extension NostrNetworkManager {
return AsyncStream<StreamItem> { continuation in return AsyncStream<StreamItem> { continuation in
let subscriptionId = id ?? UUID() let subscriptionId = id ?? UUID()
let startTime = CFAbsoluteTimeGetCurrent() let startTime = CFAbsoluteTimeGetCurrent()
Log.info("Starting subscription %s: %s", for: .subscription_manager, subscriptionId.uuidString, filters.debugDescription) Self.logger.info("Starting subscription \(subscriptionId.uuidString, privacy: .public): \(filters.debugDescription, privacy: .private)")
let multiSessionStreamingTask = Task { let multiSessionStreamingTask = Task {
while !Task.isCancelled { while !Task.isCancelled {
do { do {
guard !self.ndb.is_closed else { guard !self.ndb.is_closed else {
Log.info("%s: Ndb closed. Sleeping for 1 second before resuming.", for: .subscription_manager, subscriptionId.uuidString) Self.logger.info("\(subscriptionId.uuidString, privacy: .public): Ndb closed. Sleeping for 1 second before resuming.")
try await Task.sleep(nanoseconds: 1_000_000_000) try await Task.sleep(nanoseconds: 1_000_000_000)
continue continue
} }
guard self.pool.open else { guard self.pool.open else {
Log.info("%s: RelayPool closed. Sleeping for 1 second before resuming.", for: .subscription_manager, subscriptionId.uuidString) Self.logger.info("\(subscriptionId.uuidString, privacy: .public): RelayPool closed. Sleeping for 1 second before resuming.")
try await Task.sleep(nanoseconds: 1_000_000_000) try await Task.sleep(nanoseconds: 1_000_000_000)
continue continue
} }
Log.info("%s: Streaming.", for: .subscription_manager, subscriptionId.uuidString) Self.logger.info("\(subscriptionId.uuidString, privacy: .public): Streaming.")
for await item in self.sessionSubscribe(filters: filters, to: desiredRelays, streamMode: streamMode, id: id) { for await item in self.sessionSubscribe(filters: filters, to: desiredRelays, streamMode: streamMode, id: id) {
try Task.checkCancellation() try Task.checkCancellation()
continuation.yield(item) continuation.yield(item)
} }
Log.info("%s: Session subscription ended. Sleeping for 1 second before resuming.", for: .subscription_manager, subscriptionId.uuidString) Self.logger.info("\(subscriptionId.uuidString, privacy: .public): Session subscription ended. Sleeping for 1 second before resuming.")
try await Task.sleep(nanoseconds: 1_000_000_000) try await Task.sleep(nanoseconds: 1_000_000_000)
} }
catch { catch {
Log.error("%s: Error: %s", for: .subscription_manager, subscriptionId.uuidString, error.localizedDescription) Self.logger.error("Session subscription \(subscriptionId.uuidString, privacy: .public): Error: \(error.localizedDescription, privacy: .public)")
} }
} }
Log.info("%s: Terminated.", for: .subscription_manager, subscriptionId.uuidString) Self.logger.info("\(subscriptionId.uuidString, privacy: .public): Terminated.")
} }
let timeoutTask = Task { let timeoutTask = Task {
if let timeout { if let timeout {
@@ -145,7 +152,7 @@ extension NostrNetworkManager {
} }
} }
continuation.onTermination = { @Sendable _ in continuation.onTermination = { @Sendable _ in
Log.info("%s: Cancelled.", for: .subscription_manager, subscriptionId.uuidString) Self.logger.info("\(subscriptionId.uuidString, privacy: .public): Cancelled.")
multiSessionStreamingTask.cancel() multiSessionStreamingTask.cancel()
timeoutTask.cancel() timeoutTask.cancel()
} }
@@ -167,7 +174,7 @@ extension NostrNetworkManager {
let streamMode = streamMode ?? defaultStreamMode() let streamMode = streamMode ?? defaultStreamMode()
return AsyncStream<StreamItem> { continuation in return AsyncStream<StreamItem> { continuation in
let startTime = CFAbsoluteTimeGetCurrent() let startTime = CFAbsoluteTimeGetCurrent()
Log.debug("Session subscription %s: Started", for: .subscription_manager, id.uuidString) Self.logger.debug("Session subscription \(id.uuidString, privacy: .public): Started")
var ndbEOSEIssued = false var ndbEOSEIssued = false
var networkEOSEIssued = false var networkEOSEIssued = false
@@ -182,7 +189,7 @@ extension NostrNetworkManager {
} }
if canIssueEOSE { if canIssueEOSE {
Log.debug("Session subscription %s: Issued EOSE for session. Elapsed: %.2f seconds", for: .subscription_manager, id.uuidString, CFAbsoluteTimeGetCurrent() - startTime) Self.logger.debug("Session subscription \(id.uuidString, privacy: .public): Issued EOSE for session. Elapsed: \(CFAbsoluteTimeGetCurrent() - startTime, format: .fixed(precision: 2), privacy: .public) seconds")
continuation.yield(.eose) continuation.yield(.eose)
} }
} }
@@ -193,7 +200,7 @@ extension NostrNetworkManager {
try Task.checkCancellation() try Task.checkCancellation()
switch item { switch item {
case .eose: case .eose:
Log.debug("Session subscription %s: Received EOSE from nostrdb. Elapsed: %.2f seconds", for: .subscription_manager, id.uuidString, CFAbsoluteTimeGetCurrent() - startTime) Self.logger.debug("Session subscription \(id.uuidString, privacy: .public): Received EOSE from nostrdb. Elapsed: \(CFAbsoluteTimeGetCurrent() - startTime, format: .fixed(precision: 2), privacy: .public) seconds")
continuation.yield(.ndbEose) continuation.yield(.ndbEose)
ndbEOSEIssued = true ndbEOSEIssued = true
yieldEOSEIfReady() yieldEOSEIfReady()
@@ -211,7 +218,7 @@ extension NostrNetworkManager {
} }
} }
catch { catch {
Log.error("Session subscription %s: NDB streaming error: %s", for: .subscription_manager, id.uuidString, error.localizedDescription) Self.logger.error("Session subscription \(id.uuidString, privacy: .public): NDB streaming error: \(error.localizedDescription, privacy: .public)")
} }
continuation.finish() continuation.finish()
} }
@@ -224,7 +231,7 @@ extension NostrNetworkManager {
switch item { switch item {
case .event(let event): case .event(let event):
if EXTRA_VERBOSE_LOGGING { if EXTRA_VERBOSE_LOGGING {
Log.debug("Session subscription %s: Received kind %d event with id %s from the network", for: .subscription_manager, id.uuidString, event.kind, event.id.hex()) Self.logger.debug("Session subscription \(id.uuidString, privacy: .public): Received kind \(event.kind, privacy: .public) event with id \(event.id.hex(), privacy: .private) from the network")
} }
switch streamMode { switch streamMode {
case .ndbFirst: case .ndbFirst:
@@ -233,7 +240,7 @@ extension NostrNetworkManager {
continuation.yield(.event(lender: NdbNoteLender(ownedNdbNote: event))) continuation.yield(.event(lender: NdbNoteLender(ownedNdbNote: event)))
} }
case .eose: case .eose:
Log.debug("Session subscription %s: Received EOSE from the network. Elapsed: %.2f seconds", for: .subscription_manager, id.uuidString, CFAbsoluteTimeGetCurrent() - startTime) Self.logger.debug("Session subscription \(id.uuidString, privacy: .public): Received EOSE from the network. Elapsed: \(CFAbsoluteTimeGetCurrent() - startTime, format: .fixed(precision: 2), privacy: .public) seconds")
continuation.yield(.networkEose) continuation.yield(.networkEose)
networkEOSEIssued = true networkEOSEIssued = true
yieldEOSEIfReady() yieldEOSEIfReady()
@@ -241,7 +248,7 @@ extension NostrNetworkManager {
} }
} }
catch { catch {
Log.error("Session subscription %s: Network streaming error: %s", for: .subscription_manager, id.uuidString, error.localizedDescription) Self.logger.error("Session subscription \(id.uuidString, privacy: .public): Network streaming error: \(error.localizedDescription, privacy: .public)")
} }
continuation.finish() continuation.finish()
} }
@@ -373,6 +380,11 @@ extension NostrNetworkManager {
actor TaskManager { actor TaskManager {
private var tasks: [UUID: Task<Void, Never>] = [:] private var tasks: [UUID: Task<Void, Never>] = [:]
private static let logger = Logger(
subsystem: "com.jb55.damus",
category: "subscription_manager.task_manager"
)
func add(task: Task<Void, Never>) -> UUID { func add(task: Task<Void, Never>) -> UUID {
let taskId = UUID() let taskId = UUID()
self.tasks[taskId] = task self.tasks[taskId] = task
@@ -387,11 +399,11 @@ extension NostrNetworkManager {
} }
func cancelAllTasks() async { func cancelAllTasks() async {
await withTaskGroup { group in await withTaskGroup { group in
Log.info("Cancelling all SubscriptionManager tasks", for: .subscription_manager) Self.logger.info("Cancelling all SubscriptionManager tasks")
// Start each task cancellation in parallel for faster execution // Start each task cancellation in parallel for faster execution
for (taskId, _) in self.tasks { for (taskId, _) in self.tasks {
Log.info("Cancelling SubscriptionManager task %s", for: .subscription_manager, taskId.uuidString) Self.logger.info("Cancelling SubscriptionManager task \(taskId.uuidString, privacy: .public)")
group.addTask { group.addTask {
await self.cancelAndCleanUp(taskId: taskId) await self.cancelAndCleanUp(taskId: taskId)
} }
@@ -400,7 +412,7 @@ extension NostrNetworkManager {
for await value in group { for await value in group {
continue continue
} }
Log.info("Cancelled all SubscriptionManager tasks", for: .subscription_manager) Self.logger.info("Cancelled all SubscriptionManager tasks")
} }
} }
} }