socket.io-client-swift/SwiftIO/SocketAckMap.swift
2015-04-03 16:04:50 -04:00

60 lines
2.0 KiB
Swift

//
// SocketAckMap.swift
// SocketIO-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
public typealias AckCallback = (NSArray?) -> Void
public typealias OnAckCallback = (timeout:UInt64, callback:AckCallback) -> Void
struct SocketAckMap {
private var acks = [Int: AckCallback]()
private var waiting = [Int: Bool]()
mutating func addAck(ack:Int, callback:AckCallback) {
waiting[ack] = true
acks[ack] = callback
}
mutating func executeAck(ack:Int, items:[AnyObject]?) {
let callback = acks[ack]
waiting[ack] = false
dispatch_async(dispatch_get_main_queue()) {
callback?(items)
return
}
acks.removeValueForKey(ack)
}
mutating func timeoutAck(ack:Int) {
if waiting[ack] != nil && waiting[ack]! {
acks[ack]?(["NO ACK"])
}
acks.removeValueForKey(ack)
waiting.removeValueForKey(ack)
}
}