116 lines
4.2 KiB
Swift
116 lines
4.2 KiB
Swift
//
|
|
// SocketEngineSpec.swift
|
|
// Socket.IO-Client-Swift
|
|
//
|
|
// Created by Erik Little on 10/7/15.
|
|
//
|
|
// 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
|
|
|
|
@objc public protocol SocketEngineSpec {
|
|
weak var client: SocketEngineClient? { get set }
|
|
var closed: Bool { get }
|
|
var connected: Bool { get }
|
|
var connectParams: [String: AnyObject]? { get set }
|
|
var doubleEncodeUTF8: Bool { get }
|
|
var cookies: [HTTPCookie]? { get }
|
|
var extraHeaders: [String: String]? { get }
|
|
var fastUpgrade: Bool { get }
|
|
var forcePolling: Bool { get }
|
|
var forceWebsockets: Bool { get }
|
|
var parseQueue: DispatchQueue { get }
|
|
var polling: Bool { get }
|
|
var probing: Bool { get }
|
|
var emitQueue: DispatchQueue { get }
|
|
var handleQueue: DispatchQueue { get }
|
|
var sid: String { get }
|
|
var socketPath: String { get }
|
|
var urlPolling: URL { get }
|
|
var urlWebSocket: URL { get }
|
|
var websocket: Bool { get }
|
|
var ws: WebSocket? { get }
|
|
|
|
init(client: SocketEngineClient, url: URL, options: NSDictionary?)
|
|
|
|
func connect()
|
|
func didError(reason: String)
|
|
func disconnect(reason: String)
|
|
func doFastUpgrade()
|
|
func flushWaitingForPostToWebSocket()
|
|
func parseEngineData(_ data: Data)
|
|
func parseEngineMessage(_ message: String, fromPolling: Bool)
|
|
func write(_ msg: String, withType type: SocketEnginePacketType, withData data: [Data])
|
|
}
|
|
|
|
extension SocketEngineSpec {
|
|
var urlPollingWithSid: URL {
|
|
var com = URLComponents(url: urlPolling, resolvingAgainstBaseURL: false)!
|
|
com.percentEncodedQuery = com.percentEncodedQuery! + "&sid=\(sid.urlEncode()!)"
|
|
|
|
return com.url!
|
|
}
|
|
|
|
var urlWebSocketWithSid: URL {
|
|
var com = URLComponents(url: urlWebSocket, resolvingAgainstBaseURL: false)!
|
|
com.percentEncodedQuery = com.percentEncodedQuery! + (sid == "" ? "" : "&sid=\(sid.urlEncode()!)")
|
|
|
|
return com.url!
|
|
}
|
|
|
|
func createBinaryDataForSend(using data: Data) -> Either<Data, String> {
|
|
if websocket {
|
|
var byteArray = [UInt8](repeating: 0x4, count: 1)
|
|
let mutData = NSMutableData(bytes: &byteArray, length: 1)
|
|
|
|
mutData.append(data)
|
|
|
|
return .left(mutData as Data)
|
|
} else {
|
|
let str = "b4" + data.base64EncodedString(options: Data.Base64EncodingOptions(rawValue: 0))
|
|
|
|
return .right(str)
|
|
}
|
|
}
|
|
|
|
func doubleEncodeUTF8(_ string: String) -> String {
|
|
if let latin1 = string.data(using: String.Encoding.utf8),
|
|
utf8 = NSString(data: latin1, encoding: String.Encoding.isoLatin1.rawValue) {
|
|
return utf8 as String
|
|
} else {
|
|
return string
|
|
}
|
|
}
|
|
|
|
func fixDoubleUTF8(_ string: String) -> String {
|
|
if let utf8 = string.data(using: String.Encoding.isoLatin1),
|
|
latin1 = NSString(data: utf8, encoding: String.Encoding.utf8.rawValue) {
|
|
return latin1 as String
|
|
} else {
|
|
return string
|
|
}
|
|
}
|
|
|
|
/// Send an engine message (4)
|
|
func send(_ msg: String, withData datas: [Data]) {
|
|
write(msg, withType: .message, withData: datas)
|
|
}
|
|
}
|