mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
237 lines
10 KiB
Swift
237 lines
10 KiB
Swift
import Foundation
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import SwiftSignalKit
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import ManagedFile
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private let queue = DispatchQueue(label: "app.swiftgram.ios.trace", qos: .utility)
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private var sharedLogger: SGLogger?
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private let binaryEventMarker: UInt64 = 0xcadebabef00dcafe
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private func rootPathForBasePath(_ appGroupPath: String) -> String {
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return appGroupPath + "/telegram-data"
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}
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public final class SGLogger {
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private let queue = Queue(name: "app.swiftgram.ios.log", qos: .utility)
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private let maxLength: Int = 2 * 1024 * 1024
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private let maxShortLength: Int = 1 * 1024 * 1024
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private let maxFiles: Int = 20
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private let rootPath: String
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private let basePath: String
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private var file: (ManagedFile, Int)?
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private var shortFile: (ManagedFile, Int)?
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public static let sgLogsPath = "/logs/app-logs-sg"
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public var logToFile: Bool = true
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public var logToConsole: Bool = true
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public var redactSensitiveData: Bool = true
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public static func setSharedLogger(_ logger: SGLogger) {
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sharedLogger = logger
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}
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public static var shared: SGLogger {
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if let sharedLogger = sharedLogger {
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return sharedLogger
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} else {
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print("SGLogger setup...")
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guard let baseAppBundleId = Bundle.main.bundleIdentifier else {
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print("Can't setup logger (1)!")
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return SGLogger(rootPath: "", basePath: "")
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}
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let appGroupName = "group.\(baseAppBundleId)"
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let maybeAppGroupUrl = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: appGroupName)
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guard let appGroupUrl = maybeAppGroupUrl else {
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print("Can't setup logger (2)!")
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return SGLogger(rootPath: "", basePath: "")
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}
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let newRootPath = rootPathForBasePath(appGroupUrl.path)
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let newLogsPath = newRootPath + sgLogsPath
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let _ = try? FileManager.default.createDirectory(atPath: newLogsPath, withIntermediateDirectories: true, attributes: nil)
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self.setSharedLogger(SGLogger(rootPath: newRootPath, basePath: newLogsPath))
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if let sharedLogger = sharedLogger {
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return sharedLogger
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} else {
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print("Can't setup logger (3)!")
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return SGLogger(rootPath: "", basePath: "")
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}
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}
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}
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public init(rootPath: String, basePath: String) {
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self.rootPath = rootPath
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self.basePath = basePath
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}
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public func collectLogs(prefix: String? = nil) -> Signal<[(String, String)], NoError> {
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return Signal { subscriber in
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self.queue.async {
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let logsPath: String
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if let prefix = prefix {
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logsPath = self.rootPath + prefix
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} else {
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logsPath = self.basePath
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}
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var result: [(Date, String, String)] = []
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if let files = try? FileManager.default.contentsOfDirectory(at: URL(fileURLWithPath: logsPath), includingPropertiesForKeys: [URLResourceKey.creationDateKey], options: []) {
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for url in files {
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if url.lastPathComponent.hasPrefix("log-") {
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if let creationDate = (try? url.resourceValues(forKeys: Set([.creationDateKey])))?.creationDate {
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result.append((creationDate, url.lastPathComponent, url.path))
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}
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}
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}
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}
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result.sort(by: { $0.0 < $1.0 })
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subscriber.putNext(result.map { ($0.1, $0.2) })
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subscriber.putCompletion()
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}
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return EmptyDisposable
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}
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}
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public func collectLogs(basePath: String) -> Signal<[(String, String)], NoError> {
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return Signal { subscriber in
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self.queue.async {
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let logsPath: String = basePath
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var result: [(Date, String, String)] = []
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if let files = try? FileManager.default.contentsOfDirectory(at: URL(fileURLWithPath: logsPath), includingPropertiesForKeys: [URLResourceKey.creationDateKey], options: []) {
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for url in files {
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if url.lastPathComponent.hasPrefix("log-") {
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if let creationDate = (try? url.resourceValues(forKeys: Set([.creationDateKey])))?.creationDate {
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result.append((creationDate, url.lastPathComponent, url.path))
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}
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}
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}
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}
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result.sort(by: { $0.0 < $1.0 })
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subscriber.putNext(result.map { ($0.1, $0.2) })
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subscriber.putCompletion()
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}
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return EmptyDisposable
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}
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}
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public func log(_ tag: String, _ what: @autoclosure () -> String) {
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if !self.logToFile && !self.logToConsole {
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return
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}
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let string = what()
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var rawTime = time_t()
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time(&rawTime)
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var timeinfo = tm()
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localtime_r(&rawTime, &timeinfo)
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var curTime = timeval()
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gettimeofday(&curTime, nil)
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let milliseconds = curTime.tv_usec / 1000
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var consoleContent: String?
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if self.logToConsole {
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let content = String(format: "[SG.%@] %d-%d-%d %02d:%02d:%02d.%03d %@", arguments: [tag, Int(timeinfo.tm_year) + 1900, Int(timeinfo.tm_mon + 1), Int(timeinfo.tm_mday), Int(timeinfo.tm_hour), Int(timeinfo.tm_min), Int(timeinfo.tm_sec), Int(milliseconds), string])
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consoleContent = content
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print(content)
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}
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if self.logToFile {
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self.queue.async {
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let content: String
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if let consoleContent = consoleContent {
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content = consoleContent
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} else {
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content = String(format: "[SG.%@] %d-%d-%d %02d:%02d:%02d.%03d %@", arguments: [tag, Int(timeinfo.tm_year) + 1900, Int(timeinfo.tm_mon + 1), Int(timeinfo.tm_mday), Int(timeinfo.tm_hour), Int(timeinfo.tm_min), Int(timeinfo.tm_sec), Int(milliseconds), string])
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}
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var currentFile: ManagedFile?
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var openNew = false
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if let (file, length) = self.file {
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if length >= self.maxLength {
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self.file = nil
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openNew = true
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} else {
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currentFile = file
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}
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} else {
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openNew = true
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}
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if openNew {
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let _ = try? FileManager.default.createDirectory(atPath: self.basePath, withIntermediateDirectories: true, attributes: nil)
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var createNew = false
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if let files = try? FileManager.default.contentsOfDirectory(at: URL(fileURLWithPath: self.basePath), includingPropertiesForKeys: [URLResourceKey.creationDateKey], options: []) {
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var minCreationDate: (Date, URL)?
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var maxCreationDate: (Date, URL)?
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var count = 0
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for url in files {
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if url.lastPathComponent.hasPrefix("log-") {
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if let values = try? url.resourceValues(forKeys: Set([URLResourceKey.creationDateKey])), let creationDate = values.creationDate {
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count += 1
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if minCreationDate == nil || minCreationDate!.0 > creationDate {
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minCreationDate = (creationDate, url)
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}
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if maxCreationDate == nil || maxCreationDate!.0 < creationDate {
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maxCreationDate = (creationDate, url)
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}
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}
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}
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}
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if let (_, url) = minCreationDate, count >= self.maxFiles {
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let _ = try? FileManager.default.removeItem(at: url)
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}
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if let (_, url) = maxCreationDate {
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var value = stat()
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if stat(url.path, &value) == 0 && Int(value.st_size) < self.maxLength {
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if let file = ManagedFile(queue: self.queue, path: url.path, mode: .append) {
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self.file = (file, Int(value.st_size))
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currentFile = file
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}
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} else {
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createNew = true
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}
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} else {
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createNew = true
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}
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}
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if createNew {
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let fileName = String(format: "log-%d-%d-%d_%02d-%02d-%02d.%03d.txt", arguments: [Int(timeinfo.tm_year) + 1900, Int(timeinfo.tm_mon + 1), Int(timeinfo.tm_mday), Int(timeinfo.tm_hour), Int(timeinfo.tm_min), Int(timeinfo.tm_sec), Int(milliseconds)])
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let path = self.basePath + "/" + fileName
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if let file = ManagedFile(queue: self.queue, path: path, mode: .append) {
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self.file = (file, 0)
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currentFile = file
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}
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}
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}
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if let currentFile = currentFile {
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if let data = content.data(using: .utf8) {
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data.withUnsafeBytes { rawBytes -> Void in
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let bytes = rawBytes.baseAddress!.assumingMemoryBound(to: UInt8.self)
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let _ = currentFile.write(bytes, count: data.count)
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}
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var newline: UInt8 = 0x0a
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let _ = currentFile.write(&newline, count: 1)
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if let file = self.file {
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self.file = (file.0, file.1 + data.count + 1)
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} else {
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assertionFailure()
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}
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}
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}
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}
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}
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}
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}
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