364 lines
13 KiB
Swift
364 lines
13 KiB
Swift
//
|
|
// Task.swift
|
|
// Tiercel
|
|
//
|
|
// Created by Daniels on 2018/3/16.
|
|
// Copyright © 2018 Daniels. All rights reserved.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
extension Task {
|
|
public enum Validation: Int {
|
|
case unkown
|
|
case correct
|
|
case incorrect
|
|
}
|
|
}
|
|
|
|
public class Task<TaskType>: NSObject, Codable {
|
|
|
|
private enum CodingKeys: CodingKey {
|
|
case url
|
|
case currentURL
|
|
case fileName
|
|
case headers
|
|
case startDate
|
|
case endDate
|
|
case totalBytes
|
|
case completedBytes
|
|
case verificationCode
|
|
case status
|
|
case verificationType
|
|
case validation
|
|
case error
|
|
}
|
|
|
|
enum CompletionType {
|
|
case local
|
|
case network(task: URLSessionTask, error: Error?)
|
|
}
|
|
|
|
enum InterruptType {
|
|
case manual(_ fromRunningTask: Bool)
|
|
case error(_ error: Error)
|
|
case statusCode(_ statusCode: Int)
|
|
}
|
|
|
|
public internal(set) weak var manager: SessionManager?
|
|
|
|
internal var cache: Cache
|
|
|
|
internal var operationQueue: DispatchQueue
|
|
|
|
public let url: URL
|
|
|
|
public let progress: Progress = Progress()
|
|
|
|
internal struct State {
|
|
var session: URLSession?
|
|
var headers: [String: String]?
|
|
var verificationCode: String?
|
|
var verificationType: FileChecksumHelper.VerificationType = .md5
|
|
var isRemoveCompletely: Bool = false
|
|
var status: Status = .waiting
|
|
var validation: Validation = .unkown
|
|
var currentURL: URL
|
|
var startDate: Double = 0
|
|
var endDate: Double = 0
|
|
var speed: Int64 = 0
|
|
var fileName: String
|
|
var timeRemaining: Int64 = 0
|
|
var error: Error?
|
|
|
|
var progressExecuter: Executer<TaskType>?
|
|
var successExecuter: Executer<TaskType>?
|
|
var failureExecuter: Executer<TaskType>?
|
|
var controlExecuter: Executer<TaskType>?
|
|
var completionExecuter: Executer<TaskType>?
|
|
var validateExecuter: Executer<TaskType>?
|
|
}
|
|
|
|
|
|
internal let protectedState: Protected<State>
|
|
|
|
internal var session: URLSession? {
|
|
get { protectedState.wrappedValue.session }
|
|
set { protectedState.write { $0.session = newValue } }
|
|
}
|
|
|
|
internal var headers: [String: String]? {
|
|
get { protectedState.wrappedValue.headers }
|
|
set { protectedState.write { $0.headers = newValue } }
|
|
}
|
|
|
|
internal var verificationCode: String? {
|
|
get { protectedState.wrappedValue.verificationCode }
|
|
set { protectedState.write { $0.verificationCode = newValue } }
|
|
}
|
|
|
|
internal var verificationType: FileChecksumHelper.VerificationType {
|
|
get { protectedState.wrappedValue.verificationType }
|
|
set { protectedState.write { $0.verificationType = newValue } }
|
|
}
|
|
|
|
internal var isRemoveCompletely: Bool {
|
|
get { protectedState.wrappedValue.isRemoveCompletely }
|
|
set { protectedState.write { $0.isRemoveCompletely = newValue } }
|
|
}
|
|
|
|
public internal(set) var status: Status {
|
|
get { protectedState.wrappedValue.status }
|
|
set {
|
|
protectedState.write { $0.status = newValue }
|
|
if newValue == .willSuspend || newValue == .willCancel || newValue == .willRemove {
|
|
return
|
|
}
|
|
if self is DownloadTask {
|
|
manager?.log(.downloadTask(newValue.rawValue, task: self as! DownloadTask))
|
|
}
|
|
}
|
|
}
|
|
|
|
public internal(set) var validation: Validation {
|
|
get { protectedState.wrappedValue.validation }
|
|
set { protectedState.write { $0.validation = newValue } }
|
|
}
|
|
|
|
internal var currentURL: URL {
|
|
get { protectedState.wrappedValue.currentURL }
|
|
set { protectedState.write { $0.currentURL = newValue } }
|
|
}
|
|
|
|
|
|
public internal(set) var startDate: Double {
|
|
get { protectedState.wrappedValue.startDate }
|
|
set { protectedState.write { $0.startDate = newValue } }
|
|
}
|
|
|
|
public var startDateString: String {
|
|
startDate.tr.convertTimeToDateString()
|
|
}
|
|
|
|
public internal(set) var endDate: Double {
|
|
get { protectedState.wrappedValue.endDate }
|
|
set { protectedState.write { $0.endDate = newValue } }
|
|
}
|
|
|
|
public var endDateString: String {
|
|
endDate.tr.convertTimeToDateString()
|
|
}
|
|
|
|
|
|
public internal(set) var speed: Int64 {
|
|
get { protectedState.wrappedValue.speed }
|
|
set { protectedState.write { $0.speed = newValue } }
|
|
}
|
|
|
|
public var speedString: String {
|
|
speed.tr.convertSpeedToString()
|
|
}
|
|
|
|
/// 默认为url的md5加上文件扩展名
|
|
public internal(set) var fileName: String {
|
|
get { protectedState.wrappedValue.fileName }
|
|
set { protectedState.write { $0.fileName = newValue } }
|
|
}
|
|
|
|
public internal(set) var timeRemaining: Int64 {
|
|
get { protectedState.wrappedValue.timeRemaining }
|
|
set { protectedState.write { $0.timeRemaining = newValue } }
|
|
}
|
|
|
|
public var timeRemainingString: String {
|
|
timeRemaining.tr.convertTimeToString()
|
|
}
|
|
|
|
public internal(set) var error: Error? {
|
|
get { protectedState.wrappedValue.error }
|
|
set { protectedState.write { $0.error = newValue } }
|
|
}
|
|
|
|
|
|
internal var progressExecuter: Executer<TaskType>? {
|
|
get { protectedState.wrappedValue.progressExecuter }
|
|
set { protectedState.write { $0.progressExecuter = newValue } }
|
|
}
|
|
|
|
internal var successExecuter: Executer<TaskType>? {
|
|
get { protectedState.wrappedValue.successExecuter }
|
|
set { protectedState.write { $0.successExecuter = newValue } }
|
|
}
|
|
|
|
internal var failureExecuter: Executer<TaskType>? {
|
|
get { protectedState.wrappedValue.failureExecuter }
|
|
set { protectedState.write { $0.failureExecuter = newValue } }
|
|
}
|
|
|
|
internal var completionExecuter: Executer<TaskType>? {
|
|
get { protectedState.wrappedValue.completionExecuter }
|
|
set { protectedState.write { $0.completionExecuter = newValue } }
|
|
}
|
|
|
|
internal var controlExecuter: Executer<TaskType>? {
|
|
get { protectedState.wrappedValue.controlExecuter }
|
|
set { protectedState.write { $0.controlExecuter = newValue } }
|
|
}
|
|
|
|
internal var validateExecuter: Executer<TaskType>? {
|
|
get { protectedState.wrappedValue.validateExecuter }
|
|
set { protectedState.write { $0.validateExecuter = newValue } }
|
|
}
|
|
|
|
|
|
|
|
internal init(_ url: URL,
|
|
headers: [String: String]? = nil,
|
|
cache: Cache,
|
|
operationQueue:DispatchQueue) {
|
|
self.cache = cache
|
|
self.url = url
|
|
self.operationQueue = operationQueue
|
|
protectedState = Protected(State(currentURL: url, fileName: url.tr.fileName))
|
|
super.init()
|
|
self.headers = headers
|
|
}
|
|
|
|
public func encode(to encoder: Encoder) throws {
|
|
var container = encoder.container(keyedBy: CodingKeys.self)
|
|
try container.encode(url, forKey: .url)
|
|
try container.encode(currentURL, forKey: .currentURL)
|
|
try container.encode(fileName, forKey: .fileName)
|
|
try container.encodeIfPresent(headers, forKey: .headers)
|
|
try container.encode(startDate, forKey: .startDate)
|
|
try container.encode(endDate, forKey: .endDate)
|
|
try container.encode(progress.totalUnitCount, forKey: .totalBytes)
|
|
try container.encode(progress.completedUnitCount, forKey: .completedBytes)
|
|
try container.encode(status.rawValue, forKey: .status)
|
|
try container.encodeIfPresent(verificationCode, forKey: .verificationCode)
|
|
try container.encode(verificationType.rawValue, forKey: .verificationType)
|
|
try container.encode(validation.rawValue, forKey: .validation)
|
|
if let error = error {
|
|
let errorData: Data
|
|
if #available(iOS 11.0, *) {
|
|
errorData = try NSKeyedArchiver.archivedData(withRootObject: (error as NSError), requiringSecureCoding: true)
|
|
} else {
|
|
errorData = NSKeyedArchiver.archivedData(withRootObject: (error as NSError))
|
|
}
|
|
try container.encode(errorData, forKey: .error)
|
|
}
|
|
}
|
|
|
|
public required init(from decoder: Decoder) throws {
|
|
let container = try decoder.container(keyedBy: CodingKeys.self)
|
|
url = try container.decode(URL.self, forKey: .url)
|
|
let currentURL = try container.decode(URL.self, forKey: .currentURL)
|
|
let fileName = try container.decode(String.self, forKey: .fileName)
|
|
protectedState = Protected(State(currentURL: currentURL, fileName: fileName))
|
|
cache = decoder.userInfo[.cache] as? Cache ?? Cache("default")
|
|
operationQueue = decoder.userInfo[.operationQueue] as? DispatchQueue ?? DispatchQueue(label: "com.Tiercel.SessionManager.operationQueue")
|
|
super.init()
|
|
|
|
progress.totalUnitCount = try container.decode(Int64.self, forKey: .totalBytes)
|
|
progress.completedUnitCount = try container.decode(Int64.self, forKey: .completedBytes)
|
|
|
|
let statusString = try container.decode(String.self, forKey: .status)
|
|
let verificationTypeInt = try container.decode(Int.self, forKey: .verificationType)
|
|
let validationType = try container.decode(Int.self, forKey: .validation)
|
|
|
|
try protectedState.write {
|
|
$0.headers = try container.decodeIfPresent([String: String].self, forKey: .headers)
|
|
$0.startDate = try container.decode(Double.self, forKey: .startDate)
|
|
$0.endDate = try container.decode(Double.self, forKey: .endDate)
|
|
$0.verificationCode = try container.decodeIfPresent(String.self, forKey: .verificationCode)
|
|
$0.status = Status(rawValue: statusString)!
|
|
$0.verificationType = FileChecksumHelper.VerificationType(rawValue: verificationTypeInt)!
|
|
$0.validation = Validation(rawValue: validationType)!
|
|
if let errorData = try container.decodeIfPresent(Data.self, forKey: .error) {
|
|
if #available(iOS 11.0, *) {
|
|
$0.error = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSError.self, from: errorData)
|
|
} else {
|
|
$0.error = NSKeyedUnarchiver.unarchiveObject(with: errorData) as? NSError
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal func execute(_ Executer: Executer<TaskType>?) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
extension Task {
|
|
@discardableResult
|
|
public func progress(onMainQueue: Bool = true, handler: @escaping Handler<TaskType>) -> Self {
|
|
progressExecuter = Executer(onMainQueue: onMainQueue, handler: handler)
|
|
return self
|
|
}
|
|
|
|
@discardableResult
|
|
public func success(onMainQueue: Bool = true, handler: @escaping Handler<TaskType>) -> Self {
|
|
successExecuter = Executer(onMainQueue: onMainQueue, handler: handler)
|
|
if status == .succeeded && completionExecuter == nil{
|
|
operationQueue.async {
|
|
self.execute(self.successExecuter)
|
|
}
|
|
}
|
|
return self
|
|
|
|
}
|
|
|
|
@discardableResult
|
|
public func failure(onMainQueue: Bool = true, handler: @escaping Handler<TaskType>) -> Self {
|
|
failureExecuter = Executer(onMainQueue: onMainQueue, handler: handler)
|
|
if completionExecuter == nil &&
|
|
(status == .suspended ||
|
|
status == .canceled ||
|
|
status == .removed ||
|
|
status == .failed) {
|
|
operationQueue.async {
|
|
self.execute(self.failureExecuter)
|
|
}
|
|
}
|
|
return self
|
|
}
|
|
|
|
@discardableResult
|
|
public func completion(onMainQueue: Bool = true, handler: @escaping Handler<TaskType>) -> Self {
|
|
completionExecuter = Executer(onMainQueue: onMainQueue, handler: handler)
|
|
if status == .suspended ||
|
|
status == .canceled ||
|
|
status == .removed ||
|
|
status == .succeeded ||
|
|
status == .failed {
|
|
operationQueue.async {
|
|
self.execute(self.completionExecuter)
|
|
}
|
|
}
|
|
return self
|
|
}
|
|
|
|
}
|
|
|
|
|