65 lines
2.3 KiB
Swift
65 lines
2.3 KiB
Swift
//
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// Logging.swift
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// Tusker
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//
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// Created by Shadowfacts on 10/10/22.
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// Copyright © 2022 Shadowfacts. All rights reserved.
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//
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import Foundation
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import OSLog
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struct Logging {
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private init() {}
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static let general = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "General")
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static let generalSignposter = OSSignposter(logger: general)
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static func getLogData() -> Data? {
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do {
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let store = try OSLogStore(scope: .currentProcessIdentifier)
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// do the filtering ourself, passing position/predicate into getEntries is far slower (priority inversion, I think)
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let entries = try store.getEntries()
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var data = Data()
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let subsystem = Bundle.main.bundleIdentifier!
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let format = Date.ISO8601FormatStyle(includingFractionalSeconds: true)
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for entry in entries {
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guard let entry = entry as? OSLogEntryLog,
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entry.subsystem == subsystem else {
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continue
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}
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data.append(contentsOf: entry.date.formatted(format).utf8)
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data.append(32) // ' '
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data.append(91) // '['
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data.append(contentsOf: entry.category.utf8)
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data.append(93) // ']'
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data.append(32) // ' '
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data.append(contentsOf: entry.composedMessage.utf8)
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data.append(10) // '\n'
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}
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return data
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} catch {
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return nil
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}
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}
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static func writeDataForCrash() {
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guard let data = getLogData(),
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let cacheDir = try? FileManager.default.url(for: .cachesDirectory, in: .userDomainMask, appropriateFor: nil, create: true) else {
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return
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}
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let timestamp = ISO8601DateFormatter().string(from: Date())
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let url = cacheDir.appendingPathComponent("Tusker-\(timestamp).log", isDirectory: false)
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do {
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try data.write(to: url)
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UserDefaults.standard.set(url, forKey: "lastCrashLog")
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} catch {
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// if we can't write the data, oh well, we just won't have logs
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}
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}
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static func logURLForLastCrash() -> URL? {
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return UserDefaults.standard.url(forKey: "lastCrashLog")
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}
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}
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