socket.io-client-swift/Source/SocketAckManager.swift
2016-06-14 20:41:59 -04:00

75 lines
2.3 KiB
Swift

//
// SocketAckManager.swift
// Socket.IO-Client-Swift
//
// Created by Erik Little on 4/3/15.
//
// 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
private struct SocketAck : Hashable, Equatable {
let ack: Int
var callback: AckCallback!
var hashValue: Int {
return ack.hashValue
}
init(ack: Int) {
self.ack = ack
}
init(ack: Int, callback: AckCallback) {
self.ack = ack
self.callback = callback
}
}
private func <(lhs: SocketAck, rhs: SocketAck) -> Bool {
return lhs.ack < rhs.ack
}
private func ==(lhs: SocketAck, rhs: SocketAck) -> Bool {
return lhs.ack == rhs.ack
}
struct SocketAckManager {
private var acks = Set<SocketAck>(minimumCapacity: 1)
mutating func addAck(_ ack: Int, callback: AckCallback) {
acks.insert(SocketAck(ack: ack, callback: callback))
}
mutating func executeAck(_ ack: Int, items: [AnyObject]) {
let callback = acks.remove(SocketAck(ack: ack))
DispatchQueue.main.async {
callback?.callback(items)
}
}
mutating func timeoutAck(_ ack: Int) {
let callback = acks.remove(SocketAck(ack: ack))
DispatchQueue.main.async {
callback?.callback(["NO ACK"])
}
}
}