{"id":297670,"date":"2020-01-25T15:00:10","date_gmt":"2020-01-25T15:00:10","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=297670"},"modified":"-0001-11-30T00:00:00","modified_gmt":"2020-01-25T15:00:10","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=297670","title":{"rendered":"\u0412\u0430\u0440\u0438\u0430\u043d\u0442 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0432\u0435\u0431\u0441\u043e\u043a\u0435\u0442\u0430\u043c\u0438 \u0432 iOS \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Swift \/ \u041d\u0430\u043f\u0438\u0441\u0430\u043b \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 websocket"},"content":{"rendered":"\n<div class=\"post__text post__text-html\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/485468\/\">\u0412\u0441\u0435\u043c \u043f\u0440\u0438\u0432\u0435\u0442.<\/p>\n<p>  4 \u0433\u043e\u0434\u0430 \u043d\u0430\u0437\u0430\u0434 \u044f \u0443\u0436\u0435 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043b\u0441\u044f \u0441 \u0432\u0435\u0431\u0441\u043e\u043a\u0435\u0442\u0430\u043c\u0438 \u0432 iOS, \u0442\u043e\u0433\u0434\u0430 \u044f \u0440\u0435\u0448\u0438\u043b \u0437\u0430\u0434\u0430\u0447\u0443 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a cocoapods, <a href=\"https:\/\/habr.com\/ru\/post\/277635\/\">\u0441\u0442\u0430\u0442\u044c\u044f \u0435\u0441\u0442\u044c \u043d\u0430 \u0445\u0430\u0431\u0440\u0435<\/a>. \u0410 \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0445\u043e\u0447\u0443 \u043f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0435\u0449\u0435 \u043e\u0434\u043d\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435, \u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0435 \u0431\u0435\u0437 cocoapods. <\/p>\n<p>  \u042f \u043d\u0430\u043f\u0438\u0441\u0430\u043b \u0441\u0432\u043e\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0432\u0435\u0431\u0441\u043e\u043a\u0435\u0442\u0430\u043c\u0438 (\u041c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u0432 \u0434\u0430\u043d\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0441\u0438\u043d\u0433\u043b\u0442\u043e\u043d \u043a\u043b\u0430\u0441\u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d \u0432 \u043b\u044e\u0431\u043e\u043c \u043c\u0435\u0441\u0442\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0442\u0430\u043a \u043a\u0430\u043a \u044d\u0442\u043e \u0441\u0438\u043d\u0433\u043b\u0442\u043e\u043d \u0435\u0433\u043e \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u0434\u043b\u044f \u0432\u0441\u0435\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f).<\/p>\n<p>  \u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0441\u044c \u044f \u0434\u043b\u044f \u0441\u0432\u043e\u0438\u0445 \u0446\u0435\u043b\u0435\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u043c \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u043e\u043c CFNetwork.<br \/>  <a name=\"habracut\"><\/a>  <\/p>\n<pre><code class=\"swift\">import Foundation import CFNetwork  class WSManager {     public static let shared = WSManager() \/\/ \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u0421\u0438\u043d\u0433\u043b\u0442\u043e\u043d     private init(){}          private var dataArray = [\u041c\u041e\u0414\u0415\u041b\u042c_\u041c\u041e\u0418\u0425_\u0414\u0410\u041d\u041d\u042b\u0425]()          let webSocketTask = URLSession(configuration: .default).webSocketTask(with: URL(string: &quot;wss:\/\/\u0422\u0423\u0422_\u0412\u0410\u0428_\u0410\u0414\u0420\u0415\u0421&quot;*))         \/\/\u0444\u0443\u043d\u043a\u0446\u0438\u044f \u0432\u044b\u0437\u043e\u0432\u0430 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f     public func connectToWebSocket() {         webSocketTask.resume()         self.receiveData() { _ in }     }      \/\/\u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043f\u043e\u0434\u043f\u0438\u0441\u043a\u0438 \u043d\u0430 \u0447\u0442\u043e \u043b\u0438\u0431\u043e     public func subscribeBtcUsd() {         let message = URLSessionWebSocketTask.Message.string(&quot;SUBSCRIBE: \u041d\u0410_\u0427\u0422\u041e_\u041f\u041e\u0414\u041f\u0418\u0421\u042b\u0412\u0410\u0415\u041c\u0421\u042f&quot;)         webSocketTask.send(message) { error in             if let error = error {                 print(&quot;WebSocket couldn\u2019t send message because: \\(error)&quot;)             }         }     }  \/\/\u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043e\u0442\u043f\u0438\u0441\u043a\u0438 \u043e\u0442 \u0447\u0435\u0433\u043e \u043b\u0438\u0431\u043e         public func unSubscribeBtcUsd() {            let message = URLSessionWebSocketTask.Message.string(&quot;UNSUBSCRIBE: \u041e\u0422_\u0427\u0415\u0413\u041e_\u041e\u0422\u041f\u0418\u0421\u042b\u0412\u0410\u0415\u041c\u0421\u042f &quot;)            webSocketTask.send(message) { error in                if let error = error {                    print(&quot;WebSocket couldn\u2019t send message because: \\(error)&quot;)                }            }        }      \/\/\u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445, \u0441 \u044d\u0441\u043a\u0435\u0439\u043f\u0438\u043d\u0433\u043e\u043c \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u043d\u0430\u0440\u0443\u0436\u0443     func receiveData(completion: @escaping ([\u041c\u041e\u0414\u0415\u041b\u042c_\u041c\u041e\u0418\u0425_\u0414\u0410\u041d\u041d\u042b\u0425]?) -&gt; Void) {       webSocketTask.receive { result in         switch result {             case .failure(let error):               print(&quot;Error in receiving message: \\(error)&quot;)             case .success(let message):               switch message {                 case .string(let text):                     let data: Data? = text.data(using: .utf8)                     let srvData = try? CODABLE_\u041c\u041e\u0414\u0415\u041b\u042c_\u0422\u041e\u0413\u041e_\u0427\u0422\u041e_\u0414\u041e\u041b\u0416\u041d\u041e_\u041f\u0420\u0418\u0419\u0422\u0418.decode(from: data ?? Data())                     for singleData in srvData ?? [] {                         self.dataArray.append(\u041c\u041e\u0414\u0415\u041b\u042c_\u041c\u041e\u0418\u0425_\u0414\u0410\u041d\u041d\u042b\u0425(\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u04401:  singleData.parametr1, \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u04402:  singleData.parametr2, \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u04403:  singleData.parametr3))                       }                  case .data(let data): \/\/ \u0412 \u0432\u0430\u0448\u0435\u043c \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442\u044c \u0441\u0440\u0430\u0437\u0443 \u0441\u044e\u0434\u0430                     print(&quot;Received data: \\(data)&quot;)               @unknown default:                 debugPrint(&quot;Unknown message&quot;)               }                              self.receiveData() {_ in } \/\/ \u0440\u0435\u043a\u0443\u0440\u0441\u0438\u044f         }       }         completion(self.dataArray) \/\/ \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c \u0432 \u043a\u043e\u043c\u043f\u043b\u0438\u0448\u043d \u0442\u043e \u0447\u0442\u043e \u043d\u0430\u0441\u043e\u0431\u0438\u0440\u0430\u043b\u0438 \u0432 \u043d\u0430\u0448\u0443 \u043c\u043e\u0434\u0435\u043b\u044c     } } <\/code><\/pre>\n<p>  \u0412\u043e\u0442 \u0442\u0430\u043a\u043e\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0441\u044f, \u043f\u0440\u0438\u043c\u0435\u0440 \u0432\u044b\u0437\u043e\u0432\u0430<\/p>\n<pre><code class=\"swift\">import UIKit  class MainViewController: UIViewController {          private var dataArray = [\u041c\u041e\u0414\u0415\u041b\u042c_\u041c\u041e\u0418\u0425_\u0414\u0410\u041d\u041d\u042b\u0425]()      override func viewDidLoad() {         super.viewDidLoad()         WSManager.shared.connectToWebSocket() \/\/ \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u0441\u044f          WSManager.shared.subscribeBtcUsd() \/\/\u043f\u043e\u0434\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u043c\u0441\u044f \u043d\u0430 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0445         self.getData() \/\/\u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435     }      private func getData() {         \/\/\u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435         WSManager.shared.receiveData() { [weak self] (data) in             guard let self = self else { return }             guard let data = data else { return }              self.dataArray = data \/\/ \u043a\u043b\u0430\u0434\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u0438 \u0434\u0430\u043b\u044c\u0448\u0435 \u043c\u043e\u0436\u043d\u043e \u0434\u0435\u043b\u0430\u0442\u044c \u0441 \u043d\u0438\u043c\u0438 \u0442\u043e \u0447\u0442\u043e \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f         }     }  } <\/code><\/pre>\n<p>  *\u043f\u043e \u043f\u043e\u0432\u043e\u0434\u0443 \u0430\u0434\u0440\u0435\u0441\u0430<br \/>  wss:\/\/ \u044d\u0442\u043e \u0430\u043d\u0430\u043b\u043e\u0433 https:\/\/<br \/>  ws:\/\/ \u044d\u0442\u043e \u0430\u043d\u0430\u043b\u043e\u0433 http:\/\/<\/p>\n<p>  \u0412\u043e\u0442 \u0442\u0430\u043a\u043e\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0432\u0435\u0431\u0441\u043e\u043a\u0435\u0442\u043e\u043c \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0441\u044f, \u0435\u0441\u043b\u0438 \u0435\u0441\u0442\u044c \u0432\u043e\u043f\u0440\u043e\u0441\u044b, \u043f\u043e\u0436\u0435\u043b\u0430\u043d\u0438\u044f, \u043f\u043e\u0443\u0447\u0435\u043d\u0438\u044f \u043a\u0430\u043a \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043b\u0443\u0447\u0448\u0435, \u043f\u0438\u0448\u0438\u0442\u0435, \u0431\u0443\u0434\u0443 \u0440\u0430\u0434 \ud83d\ude42<\/p>\n<p>  \u0422\u0435\u0441\u0442\u043e\u0432\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0443 \u043c\u0435\u043d\u044f \u0432 <a href=\"https:\/\/github.com\/aposnov\/CandleStickChart\" rel=\"nofollow\">\u0433\u0438\u0442\u0445\u0430\u0431\u0435<\/a><\/p>\n<p>  \u0442\u0430\u043a \u0436\u0435 \u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e extension \u0434\u043b\u044f Decodable \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0442\u043e\u0436\u0435 \u0443 \u043c\u0435\u043d\u044f \u0432 <a href=\"https:\/\/github.com\/aposnov\/SwiftExtensions\/blob\/master\/Extensions.swift\" rel=\"nofollow\">\u0433\u0438\u0442\u0445\u0430\u0431\u0435<\/a><br \/>  \u044f \u043f\u0440\u043e \u0432\u043e\u0442 \u044d\u0442\u0443 \u0447\u0430\u0441\u0442\u044c  <\/p>\n<pre><code class=\"swift\">let srvData = try? CODABLE_\u041c\u041e\u0414\u0415\u041b\u042c_\u0422\u041e\u0413\u041e_\u0427\u0422\u041e_\u0414\u041e\u041b\u0416\u041d\u041e_\u041f\u0420\u0418\u0419\u0422\u0418.decode(from: data ?? Data())<\/code><\/pre>\n<\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/485468\/\"> https:\/\/habr.com\/ru\/post\/485468\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n<div class=\"post__text post__text-html\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/485468\/\">\u0412\u0441\u0435\u043c \u043f\u0440\u0438\u0432\u0435\u0442.<\/p>\n<p>  4 \u0433\u043e\u0434\u0430 \u043d\u0430\u0437\u0430\u0434 \u044f \u0443\u0436\u0435 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043b\u0441\u044f \u0441 \u0432\u0435\u0431\u0441\u043e\u043a\u0435\u0442\u0430\u043c\u0438 \u0432 iOS, \u0442\u043e\u0433\u0434\u0430 \u044f \u0440\u0435\u0448\u0438\u043b \u0437\u0430\u0434\u0430\u0447\u0443 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a cocoapods, <a href=\"https:\/\/habr.com\/ru\/post\/277635\/\">\u0441\u0442\u0430\u0442\u044c\u044f \u0435\u0441\u0442\u044c \u043d\u0430 \u0445\u0430\u0431\u0440\u0435<\/a>. \u0410 \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0445\u043e\u0447\u0443 \u043f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0435\u0449\u0435 \u043e\u0434\u043d\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435, \u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0435 \u0431\u0435\u0437 cocoapods. <\/p>\n<p>  \u042f \u043d\u0430\u043f\u0438\u0441\u0430\u043b \u0441\u0432\u043e\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0432\u0435\u0431\u0441\u043e\u043a\u0435\u0442\u0430\u043c\u0438 (\u041c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u0432 \u0434\u0430\u043d\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0441\u0438\u043d\u0433\u043b\u0442\u043e\u043d \u043a\u043b\u0430\u0441\u0441 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d \u0432 \u043b\u044e\u0431\u043e\u043c \u043c\u0435\u0441\u0442\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0442\u0430\u043a \u043a\u0430\u043a \u044d\u0442\u043e \u0441\u0438\u043d\u0433\u043b\u0442\u043e\u043d \u0435\u0433\u043e \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u0434\u043b\u044f \u0432\u0441\u0435\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f).<\/p>\n<p>  \u0412\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0441\u044c \u044f \u0434\u043b\u044f \u0441\u0432\u043e\u0438\u0445 \u0446\u0435\u043b\u0435\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u043c \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u043e\u043c CFNetwork.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-297670","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/297670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=297670"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/297670\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=297670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=297670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=297670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}