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@ -0,0 +1,230 @@
The MIT License (MIT)
Copyright (c) 2014-2015 Erik Little
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.
This library makes use of the following third party libraries:
Starscream
----------
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53
README.md
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@ -3,12 +3,39 @@ Socket.IO-Client-Swift
Socket.IO-client for Swift. Supports ws/wss/polling connections and binary. For socket.io 1.0+ and Swift 1.2.
For Swift 1.1 use the master branch.
For Swift 1.1 use the master.
Installation
============
Manually (iOS 7+)
-----------------
1. Copy the SwiftIO folder into your Xcode project!
CocoaPods 0.36.0 or later (iOS 8+)
------------------
Create `Podfile` and add `pod 'Socket.IO-Client-Swift'`:
```ruby
source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '8.0'
use_frameworks!
pod 'Socket.IO-Client-Swift', '~> 1.1'
```
Install pods:
```
$ pod install
```
Import in your swift file:
```swift
import Socket_IO_Client_Swift
```
API
===
Constructor
@ -71,6 +98,11 @@ socket.on("ackEvent") {data, ack in
println("Got ackEvent")
}
// data is an array
if let int = data?[1] as? Int {
println("Got int")
}
socket.emitWithAck("ackTest", "test").onAck {data in
println(data?[0])
}
@ -84,25 +116,6 @@ socket.on("jsonTest") {data, ack in
}
}
// Event items are passed by an array
socket.on("multipleItems") {data, ack in
if data == nil {
return
}
if let str = data![0] as? String {
println(str)
}
if let arr = data![1] as? [Int] {
println(arr)
}
if let obj = data![4] as? NSDictionary {
println(obj["test"])
}
}
// Connecting
socket.connect()
```

19
Socket.IO-Client-Swift.podspec Normal file
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@ -0,0 +1,19 @@
Pod::Spec.new do |s|
s.name = "Socket.IO-Client-Swift"
s.version = "1.1.3"
s.summary = "Socket.IO-client for Swift"
s.description = <<-DESC
Socket.IO-client for Swift.
Supports ws/wss/polling connections and binary.
For socket.io 1.0+ and Swift 1.1.
DESC
s.homepage = "https://github.com/socketio/socket.io-client-swift"
s.license = { :type => 'MIT' }
s.author = { "Erik" => "nuclear.ace@gmail.com" }
s.ios.deployment_target = '8.0'
s.osx.deployment_target = '10.10'
s.source = { :git => "https://github.com/socketio/socket.io-client-swift.git", :tag => 'v1.1.3' }
s.source_files = "SwiftIO/**/*.swift"
s.requires_arc = true
# s.dependency 'Starscream', '~> 0.9' # currently this repo includes Starscream swift files
end

115
SwiftIO/SocketEngine.swift
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@ -24,10 +24,6 @@
import Foundation
// This is used because in Swift 1.1, turning on -O causes a
// memory access violation in SocketEngine#parseEngineMessage
private var fixSwift:AnyObject?
extension String {
private var length:Int {
return count(self)
@ -55,18 +51,22 @@ class SocketEngine: NSObject, WebSocketDelegate {
"parseQueue".cStringUsingEncoding(NSUTF8StringEncoding), DISPATCH_QUEUE_SERIAL)
private let handleQueue = dispatch_queue_create(
"handleQueue".cStringUsingEncoding(NSUTF8StringEncoding), DISPATCH_QUEUE_SERIAL)
private let session:NSURLSession!
private var _connected = false
private var fastUpgrade = false
private var forcePolling = false
private var pingTimer:NSTimer?
private var postWait = [String]()
private var _polling = true
private var probing = false
private var probeWait = PollWaitQueue()
private let session:NSURLSession!
private var waitingForPoll = false
private var waitingForPost = false
private var _websocket = false
private var websocketConnected = false
var connected = false
var connected:Bool {
return self._connected
}
var pingInterval:Int?
var polling:Bool {
return self._polling
@ -142,14 +142,29 @@ class SocketEngine: NSObject, WebSocketDelegate {
return (urlPolling, urlWebSocket)
}
private func doFastUpgrade() {
self.sendWebSocketMessage("", withType: PacketType.UPGRADE)
self._websocket = true
self._polling = false
self.fastUpgrade = false
self.flushProbeWait()
}
private func doPoll() {
if self.urlPolling == nil || self.websocket || self.waitingForPoll || !self.connected {
if self.websocket || self.waitingForPoll || !self.connected {
return
}
let req = NSMutableURLRequest(URL: NSURL(string: self.urlPolling! + "&sid=\(self.sid)")!)
req.timeoutInterval = 0.0
self.waitingForPoll = true
self.doRequest(self.parsePollingMessage)
}
private func doRequest(callback:(String) -> Void) {
if !self.polling {
return
}
let req = NSURLRequest(URL: NSURL(string: self.urlPolling! + "&sid=\(self.sid)")!)
self.session.dataTaskWithRequest(req) {[weak self] data, res, err in
if self == nil {
@ -158,6 +173,7 @@ class SocketEngine: NSObject, WebSocketDelegate {
if self!.polling {
self?.handlePollingFailed(err)
}
return
}
@ -166,18 +182,17 @@ class SocketEngine: NSObject, WebSocketDelegate {
if let str = NSString(data: data, encoding: NSUTF8StringEncoding) as? String {
// println(str)
dispatch_async(self!.parseQueue) {[weak self] in
if self == nil {
return
}
self?.parsePollingMessage(str)
return
}
dispatch_async(self!.parseQueue) {callback(str)}
}
self?.waitingForPoll = false
self?.doPoll()
if self!.fastUpgrade {
self?.doFastUpgrade()
return
} else {
self?.doPoll()
}
}.resume()
}
@ -255,10 +270,11 @@ class SocketEngine: NSObject, WebSocketDelegate {
}
// A poll failed, tell the client about it
// We check to see if we were closed by the server first
private func handlePollingFailed(reason:NSError?) {
assert(self.polling, "Polling failed when we're not polling")
if !self.client.reconnecting {
self.connected = false
self._connected = false
self.ws?.disconnect()
self.pingTimer?.invalidate()
self.waitingForPoll = false
@ -268,7 +284,7 @@ class SocketEngine: NSObject, WebSocketDelegate {
}
func open(opts:[String: AnyObject]? = nil) {
if self.waitingForPost || self.waitingForPoll || self.websocket || self.connected {
if self.connected {
assert(false, "We're in a bad state, this shouldn't happen.")
}
@ -304,13 +320,12 @@ class SocketEngine: NSObject, WebSocketDelegate {
return
}
self?.connected = true
if let json = NSJSONSerialization.JSONObjectWithData(jsonData!,
options: NSJSONReadingOptions.AllowFragments, error: &err2) as? NSDictionary {
if let sid = json["sid"] as? String {
// println(json)
self?.sid = sid
self?._connected = true
if !self!.forcePolling {
self?.ws = WebSocket(url: NSURL(string: urlWebSocket + "&sid=\(self!.sid)")!)
@ -363,7 +378,7 @@ class SocketEngine: NSObject, WebSocketDelegate {
length += chr
} else {
if length == "" || testLength(length, &n) {
self.handlePollingFailed(nil)
println("failure in parsePollingMessage")
return
}
@ -379,10 +394,8 @@ class SocketEngine: NSObject, WebSocketDelegate {
if msg.length != 0 {
// Be sure to capture the value of the msg
dispatch_async(self.handleQueue) {[weak self, msg] in
fixSwift = msg
if fixSwift is String {
self?.parseEngineMessage(fixSwift as! String)
}
self?.parseEngineMessage(msg)
return
}
}
@ -462,7 +475,7 @@ class SocketEngine: NSObject, WebSocketDelegate {
self?.sendWebSocketMessage(msg, withType: PacketType.MESSAGE, datas: datas)
} else {
// println("sending poll: \(msg):\(datas)")
self?.sendPollMessage(msg, withType: PacketType.MESSAGE, datas: datas)
self?.sendPollMessage(msg, withType: PacketType.MESSAGE, datas: datas, doPoll: true)
}
}
}
@ -484,34 +497,34 @@ class SocketEngine: NSObject, WebSocketDelegate {
if self.websocket {
self.sendWebSocketMessage("", withType: PacketType.PING)
} else {
self.sendPollMessage("", withType: PacketType.PING)
self.sendPollMessage("", withType: PacketType.PING, doPoll: false)
}
}
private func sendPollMessage(msg:String, withType type:PacketType, datas:[NSData]? = nil) {
// println("Sending: poll: \(msg) as type: \(type.rawValue)")
let strMsg = "\(type.rawValue)\(msg)"
private func sendPollMessage(msg:String, withType type:PacketType,
datas:[NSData]? = nil, doPoll poll:Bool) {
// println("Sending poll: \(msg) as type: \(type.rawValue)")
let strMsg = "\(type.rawValue)\(msg)"
self.postWait.append(strMsg)
self.postWait.append(strMsg)
if datas != nil {
for data in datas! {
let (nilData, b64Data) = self.createBinaryDataForSend(data)
if datas != nil {
for data in datas! {
let (nilData, b64Data) = self.createBinaryDataForSend(data)
self.postWait.append(b64Data!)
self.postWait.append(b64Data!)
}
}
}
if waitingForPost {
self.doPoll()
return
} else {
self.flushWaitingForPost()
}
if !self.waitingForPoll && self.waitingForPost && poll {
self.doPoll()
} else {
self.flushWaitingForPost()
}
}
private func sendWebSocketMessage(str:String, withType type:PacketType, datas:[NSData]? = nil) {
// println("Sending: ws: \(str) as type: \(type.rawValue)")
// println("Sending ws: \(str) as type: \(type.rawValue)")
self.ws?.writeString("\(type.rawValue)\(str)")
if datas != nil {
@ -539,12 +552,10 @@ class SocketEngine: NSObject, WebSocketDelegate {
private func upgradeTransport() {
if self.websocketConnected {
// Do a fast upgrade
self.fastUpgrade = true
self.probing = false
self._websocket = true
self.waitingForPoll = false
self._polling = false
self.sendWebSocketMessage("", withType: PacketType.UPGRADE)
self.flushProbeWait()
self.sendPollMessage("", withType: PacketType.NOOP, doPoll: false)
}
}
@ -560,7 +571,7 @@ class SocketEngine: NSObject, WebSocketDelegate {
if self.websocket {
self.pingTimer?.invalidate()
self.connected = false
self._connected = false
self._websocket = false
self._polling = true
self.client.webSocketDidCloseWithCode(1, reason: "Socket Disconnect", wasClean: true)

149
SwiftIO/SocketIOClient.swift
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@ -141,6 +141,7 @@ public class SocketIOClient: NSObject {
self.currentReconnectAttempt = 0
self.reconnectTimer?.invalidate()
self.reconnectTimer = nil
self.sid = self.engine?.sid
self.handleEvent("connect", data: nil, isInternalMessage: false)
}
@ -643,90 +644,88 @@ public class SocketIOClient: NSObject {
}
// Tries to parse a message that contains binary
private func parseBinaryMessage(#message:AnyObject) {
private func parseBinaryMessage(#message:String) {
// println(message)
if let stringMessage = message as? String {
var mutMessage = RegexMutable(stringMessage)
var mutMessage = RegexMutable(message)
/**
Begin check for binary placeholders
**/
let binaryGroup = mutMessage["^(\\d*)-\\/?(\\w*)?,?(\\d*)?\\[(\".*?\")?,?(.*)?\\]$"].groups()
/**
Begin check for binary placeholders
**/
let binaryGroup = mutMessage["^(\\d*)-\\/?(\\w*)?,?(\\d*)?\\[(\".*?\")?,?(.*)?\\]$"].groups()
if binaryGroup == nil {
if binaryGroup == nil {
return
}
if binaryGroup[1].hasPrefix("5") {
// println(binaryGroup)
var ackNum:String
var event:String
var mutMessageObject:NSMutableString
var namespace:String?
var numberOfPlaceholders:String
let messageType = RegexMutable(binaryGroup[1])
namespace = binaryGroup[2]
if binaryGroup[3] != "" {
ackNum = binaryGroup[3] as String
} else if self.nsp == nil && binaryGroup[2] != "" {
ackNum = binaryGroup[2]
} else {
ackNum = ""
}
numberOfPlaceholders = (messageType["5"] ~= "") as String
event = (RegexMutable(binaryGroup[4])["\""] ~= "") as String
mutMessageObject = RegexMutable(binaryGroup[5])
if namespace == "" && self.nsp != nil {
return
}
if binaryGroup[1].hasPrefix("5") {
// println(binaryGroup)
var ackNum:String
var event:String
var mutMessageObject:NSMutableString
var namespace:String?
var numberOfPlaceholders:String
let messageType = RegexMutable(binaryGroup[1])
let placeholdersRemoved = mutMessageObject["(\\{\"_placeholder\":true,\"num\":(\\d*)\\})"]
~= "\"~~$2\""
namespace = binaryGroup[2]
if binaryGroup[3] != "" {
ackNum = binaryGroup[3] as String
} else if self.nsp == nil && binaryGroup[2] != "" {
ackNum = binaryGroup[2]
} else {
ackNum = ""
}
numberOfPlaceholders = (messageType["5"] ~= "") as String
event = (RegexMutable(binaryGroup[4])["\""] ~= "") as String
mutMessageObject = RegexMutable(binaryGroup[5])
if namespace == "" && self.nsp != nil {
return
}
let placeholdersRemoved = mutMessageObject["(\\{\"_placeholder\":true,\"num\":(\\d*)\\})"]
~= "\"~~$2\""
var mes:SocketEvent
if ackNum == "" {
mes = SocketEvent(event: event, args: placeholdersRemoved,
placeholders: numberOfPlaceholders.toInt()!)
} else {
self.currentAck = ackNum.toInt()!
mes = SocketEvent(event: event, args: placeholdersRemoved,
placeholders: numberOfPlaceholders.toInt()!, ackNum: ackNum.toInt())
}
self.waitingData.append(mes)
} else if binaryGroup[1].hasPrefix("6") {
let messageType = RegexMutable(binaryGroup[1])
let numberOfPlaceholders = (messageType["6"] ~= "") as String
var ackNum:String
var nsp:String
if binaryGroup[3] == "" {
ackNum = binaryGroup[2]
nsp = ""
} else {
ackNum = binaryGroup[3]
nsp = binaryGroup[2]
}
if nsp == "" && self.nsp != nil {
return
}
var mutMessageObject = RegexMutable(binaryGroup[5])
let placeholdersRemoved = mutMessageObject["(\\{\"_placeholder\":true,\"num\":(\\d*)\\})"]
~= "\"~~$2\""
let event = SocketEvent(event: "", args: placeholdersRemoved,
placeholders: numberOfPlaceholders.toInt()!, ackNum: ackNum.toInt(), justAck: true)
self.waitingData.append(event)
var mes:SocketEvent
if ackNum == "" {
mes = SocketEvent(event: event, args: placeholdersRemoved,
placeholders: numberOfPlaceholders.toInt()!)
} else {
self.currentAck = ackNum.toInt()!
mes = SocketEvent(event: event, args: placeholdersRemoved,
placeholders: numberOfPlaceholders.toInt()!, ackNum: ackNum.toInt())
}
/**
End check for binary placeholders
**/
self.waitingData.append(mes)
} else if binaryGroup[1].hasPrefix("6") {
let messageType = RegexMutable(binaryGroup[1])
let numberOfPlaceholders = (messageType["6"] ~= "") as String
var ackNum:String
var nsp:String
if binaryGroup[3] == "" {
ackNum = binaryGroup[2]
nsp = ""
} else {
ackNum = binaryGroup[3]
nsp = binaryGroup[2]
}
if nsp == "" && self.nsp != nil {
return
}
var mutMessageObject = RegexMutable(binaryGroup[5])
let placeholdersRemoved = mutMessageObject["(\\{\"_placeholder\":true,\"num\":(\\d*)\\})"]
~= "\"~~$2\""
let event = SocketEvent(event: "", args: placeholdersRemoved,
placeholders: numberOfPlaceholders.toInt()!, ackNum: ackNum.toInt(), justAck: true)
self.waitingData.append(event)
}
/**
End check for binary placeholders
**/
}
// Handles binary data