116 lines
4.2 KiB
Swift
116 lines
4.2 KiB
Swift
//
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// SocketEngineSpec.swift
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// Socket.IO-Client-Swift
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//
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// Created by Erik Little on 10/7/15.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import Foundation
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@objc public protocol SocketEngineSpec {
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weak var client: SocketEngineClient? { get set }
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var closed: Bool { get }
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var connected: Bool { get }
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var connectParams: [String: AnyObject]? { get set }
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var doubleEncodeUTF8: Bool { get }
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var cookies: [HTTPCookie]? { get }
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var extraHeaders: [String: String]? { get }
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var fastUpgrade: Bool { get }
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var forcePolling: Bool { get }
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var forceWebsockets: Bool { get }
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var parseQueue: DispatchQueue { get }
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var polling: Bool { get }
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var probing: Bool { get }
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var emitQueue: DispatchQueue { get }
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var handleQueue: DispatchQueue { get }
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var sid: String { get }
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var socketPath: String { get }
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var urlPolling: URL { get }
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var urlWebSocket: URL { get }
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var websocket: Bool { get }
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var ws: WebSocket? { get }
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init(client: SocketEngineClient, url: URL, options: NSDictionary?)
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func connect()
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func didError(_ error: String)
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func disconnect(_ reason: String)
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func doFastUpgrade()
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func flushWaitingForPostToWebSocket()
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func parseEngineData(_ data: Data)
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func parseEngineMessage(_ message: String, fromPolling: Bool)
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func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data])
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}
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extension SocketEngineSpec {
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var urlPollingWithSid: URL {
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var com = URLComponents(url: urlPolling, resolvingAgainstBaseURL: false)!
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com.percentEncodedQuery = com.percentEncodedQuery! + "&sid=\(sid.urlEncode()!)"
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return com.url!
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}
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var urlWebSocketWithSid: URL {
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var com = URLComponents(url: urlWebSocket, resolvingAgainstBaseURL: false)!
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com.percentEncodedQuery = com.percentEncodedQuery! + (sid == "" ? "" : "&sid=\(sid.urlEncode()!)")
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return com.url!
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}
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func createBinaryDataForSend(using data: Data) -> Either<Data, String> {
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if websocket {
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var byteArray = [UInt8](repeating: 0x4, count: 1)
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let mutData = NSMutableData(bytes: &byteArray, length: 1)
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mutData.append(data)
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return .left(mutData as Data)
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} else {
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let str = "b4" + data.base64EncodedString(Data.Base64EncodingOptions(rawValue: 0))
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return .right(str)
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}
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}
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func doubleEncodeUTF8(_ string: String) -> String {
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if let latin1 = string.data(using: String.Encoding.utf8),
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utf8 = NSString(data: latin1, encoding: String.Encoding.isoLatin1.rawValue) {
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return utf8 as String
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} else {
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return string
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}
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}
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func fixDoubleUTF8(_ string: String) -> String {
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if let utf8 = string.data(using: String.Encoding.isoLatin1),
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latin1 = NSString(data: utf8, encoding: String.Encoding.utf8.rawValue) {
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return latin1 as String
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} else {
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return string
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}
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}
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/// Send an engine message (4)
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func send(_ msg: String, withData datas: [Data]) {
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write(msg, withType: .message, withData: datas)
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}
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}
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