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Erik 2015-03-12 14:49:00 -04:00
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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

299
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
@ -78,19 +78,19 @@ class SocketEngine: NSObject, WebSocketDelegate {
return self._websocket
}
var ws:WebSocket?
init(client:SocketIOClient, forcePolling:Bool = false) {
self.client = client
self.forcePolling = forcePolling
self.session = NSURLSession(configuration: NSURLSessionConfiguration.ephemeralSessionConfiguration(),
delegate: nil, delegateQueue: self.workQueue)
}
func close() {
self.pingTimer?.invalidate()
self.send(PacketType.CLOSE.rawValue)
}
private func createBinaryDataForSend(data:NSData) -> (NSData?, String?) {
if self.websocket {
var byteArray = [UInt8](count: 1, repeatedValue: 0x0)
@ -102,16 +102,16 @@ class SocketEngine: NSObject, WebSocketDelegate {
var str = "b4"
str += data.base64EncodedStringWithOptions(
NSDataBase64EncodingOptions.Encoding64CharacterLineLength)
return (nil, str)
}
}
private func createURLs(params:[String: AnyObject]? = nil) -> (String, String) {
var url = "\(self.client.socketURL)/socket.io/?transport="
var urlPolling:String
var urlWebSocket:String
if self.client.secure {
urlPolling = "https://" + url + "polling"
urlWebSocket = "wss://" + url + "websocket"
@ -119,14 +119,14 @@ class SocketEngine: NSObject, WebSocketDelegate {
urlPolling = "http://" + url + "polling"
urlWebSocket = "ws://" + url + "websocket"
}
if params != nil {
for (key, value) in params! {
let keyEsc = key.stringByAddingPercentEncodingWithAllowedCharacters(
NSCharacterSet.URLHostAllowedCharacterSet())!
urlPolling += "&\(keyEsc)="
urlWebSocket += "&\(keyEsc)="
if value is String {
let valueEsc = (value as! String).stringByAddingPercentEncodingWithAllowedCharacters(
NSCharacterSet.URLHostAllowedCharacterSet())!
@ -138,19 +138,34 @@ 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 {
return
@ -158,44 +173,44 @@ class SocketEngine: NSObject, WebSocketDelegate {
if self!.polling {
self?.handlePollingFailed(err)
}
return
}
// println(data)
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()
}
private func flushProbeWait() {
// println("flushing probe wait")
dispatch_async(self.emitQueue) {[weak self] in
if self == nil {
return
}
for waiter in self!.probeWait {
waiter()
}
self?.probeWait.removeAll(keepCapacity: false)
}
}
private func flushWaitingForPost() {
if self.postWait.count == 0 || !self.connected {
return
@ -203,31 +218,31 @@ class SocketEngine: NSObject, WebSocketDelegate {
self.flushWaitingForPostToWebSocket()
return
}
var postStr = ""
for packet in self.postWait {
let len = count(packet)
postStr += "\(len):\(packet)"
}
self.postWait.removeAll(keepCapacity: false)
let req = NSMutableURLRequest(URL: NSURL(string: self.urlPolling! + "&sid=\(self.sid)")!)
req.HTTPMethod = "POST"
req.setValue("application/html-text", forHTTPHeaderField: "Content-Type")
let postData = postStr.dataUsingEncoding(NSUTF8StringEncoding,
allowLossyConversion: false)!
req.setValue(String(postData.length), forHTTPHeaderField: "Content-Length")
req.HTTPBody = postData
self.waitingForPost = true
self.session.dataTaskWithRequest(req) {[weak self] data, res, err in
if self == nil {
return
@ -235,7 +250,7 @@ class SocketEngine: NSObject, WebSocketDelegate {
self?.handlePollingFailed(err)
return
}
self?.waitingForPost = false
dispatch_async(self!.emitQueue) {
self?.flushWaitingForPost()
@ -243,22 +258,23 @@ class SocketEngine: NSObject, WebSocketDelegate {
return
}}.resume()
}
// We had packets waiting for send when we upgraded
// Send them raw
private func flushWaitingForPostToWebSocket() {
for msg in self.postWait {
self.ws?.writeString(msg)
}
self.postWait.removeAll(keepCapacity: true)
}
// 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
@ -266,18 +282,18 @@ class SocketEngine: NSObject, WebSocketDelegate {
self.client.pollingDidFail(reason)
}
}
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.")
}
let (urlPolling, urlWebSocket) = self.createURLs(params: opts)
self.urlPolling = urlPolling
self.urlWebSocket = urlWebSocket
let reqPolling = NSURLRequest(URL: NSURL(string: urlPolling + "&b64=1")!)
self.session.dataTaskWithRequest(reqPolling) {[weak self] data, res, err in
var err2:NSError?
if self == nil {
@ -286,32 +302,31 @@ class SocketEngine: NSObject, WebSocketDelegate {
self?.handlePollingFailed(err)
return
}
if let dataString = NSString(data: data, encoding: NSUTF8StringEncoding) {
var mutString = RegexMutable(dataString)
let parsed:[String]? = mutString["(\\d*):(\\d)(\\{.*\\})?"].groups()
if parsed == nil || parsed?.count != 4 {
return
}
let length = parsed![1]
let type = parsed![2]
let jsonData = parsed![3].dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
if type != "0" {
NSLog("Error handshaking")
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)")!)
self?.ws?.queue = self?.handleQueue
@ -322,113 +337,111 @@ class SocketEngine: NSObject, WebSocketDelegate {
NSLog("Error handshaking")
return
}
if let pingInterval = json["pingInterval"] as? Int {
self?.pingInterval = pingInterval / 1000
}
}
self?.doPoll()
self?.startPingTimer()
}}.resume()
}
// Translatation of engine.io-parser#decodePayload
private func parsePollingMessage(str:String) {
if str.length == 1 {
return
}
// println(str)
let strArray = Array(str)
var length = ""
var n = 0
var msg = ""
func testLength(length:String, inout n:Int) -> Bool {
if let num = length.toInt() {
n = num
} else {
return true
}
return false
}
for var i = 0, l = str.length; i < l; i = i &+ 1 {
let chr = String(strArray[i])
if chr != ":" {
length += chr
} else {
if length == "" || testLength(length, &n) {
self.handlePollingFailed(nil)
println("failure in parsePollingMessage")
return
}
msg = String(strArray[i&+1...i&+n])
if let lengthInt = length.toInt() {
if lengthInt != msg.length {
println("parsing error")
return
}
}
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
}
}
i += n
length = ""
}
}
}
private func parseEngineData(data:NSData) {
self.client.parseBinaryData(data.subdataWithRange(NSMakeRange(1, data.length - 1)))
}
private func parseEngineMessage(var message:String) {
// println(message!)
var strMessage = RegexMutable(message)
// We should upgrade
if strMessage == "3probe" {
self.upgradeTransport()
return
}
let type = strMessage["^(\\d)"].groups()?[1]
if type != PacketType.MESSAGE.rawValue {
// TODO Handle other packets
if message.hasPrefix("b4") {
// binary in base64 string
message.removeRange(Range<String.Index>(start: message.startIndex,
end: advance(message.startIndex, 2)))
if let data = NSData(base64EncodedString: message,
options: NSDataBase64DecodingOptions.IgnoreUnknownCharacters) {
// println("sending \(data)")
self.client.parseBinaryData(data)
}
return
} else if type == PacketType.NOOP.rawValue {
self.doPoll()
return
}
if message == PacketType.CLOSE.rawValue {
// do nothing
return
@ -436,42 +449,42 @@ class SocketEngine: NSObject, WebSocketDelegate {
// println("Got something idk what to do with")
// println(messageString)
}
// Remove message type
message.removeAtIndex(message.startIndex)
// println("sending \(messageString)")
self.client.parseSocketMessage(message)
}
private func probeWebSocket() {
if self.websocketConnected {
self.sendWebSocketMessage("probe", withType: PacketType.PING)
}
}
func send(msg:String, datas:[NSData]? = nil) {
let _send = {[weak self] (msg:String, datas:[NSData]?) -> () -> Void in
return {
if self == nil || !self!.connected {
return
}
if self!.websocket {
// println("sending ws: \(msg):\(datas)")
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)
}
}
}
dispatch_async(self.emitQueue) {[weak self] in
if self == nil {
return
}
if self!.probing {
self?.probeWait.append(_send(msg, datas))
} else {
@ -479,41 +492,41 @@ class SocketEngine: NSObject, WebSocketDelegate {
}
}
}
func sendPing() {
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)"
self.postWait.append(strMsg)
if datas != nil {
for data in datas! {
let (nilData, b64Data) = self.createBinaryDataForSend(data)
self.postWait.append(b64Data!)
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)
if datas != nil {
for data in datas! {
let (nilData, b64Data) = self.createBinaryDataForSend(data)
self.postWait.append(b64Data!)
}
}
if !self.waitingForPoll && self.waitingForPost && poll {
self.doPoll()
} else {
self.flushWaitingForPost()
}
}
if waitingForPost {
self.doPoll()
return
} 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 {
for data in datas! {
let (data, nilString) = self.createBinaryDataForSend(data)
@ -523,44 +536,42 @@ class SocketEngine: NSObject, WebSocketDelegate {
}
}
}
// Starts the ping timer
private func startPingTimer() {
if self.pingInterval == nil {
return
}
self.pingTimer?.invalidate()
dispatch_async(dispatch_get_main_queue()) {
self.pingTimer = NSTimer.scheduledTimerWithTimeInterval(NSTimeInterval(self.pingInterval!), target: self,
selector: Selector("sendPing"), userInfo: nil, repeats: true)
}
}
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)
}
}
func websocketDidConnect(socket:WebSocket) {
self.websocketConnected = true
self.probing = true
self.probeWebSocket()
}
func websocketDidDisconnect(socket:WebSocket, error:NSError?) {
self.websocketConnected = false
self.probing = false
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)
@ -568,12 +579,12 @@ class SocketEngine: NSObject, WebSocketDelegate {
self.flushProbeWait()
}
}
func websocketDidReceiveMessage(socket:WebSocket, text:String) {
self.parseEngineMessage(text)
}
func websocketDidReceiveData(socket:WebSocket, data:NSData) {
self.parseEngineData(data)
}
}
}

371
SwiftIO/SocketIOClient.swift
View File

@ -56,51 +56,51 @@ public class SocketIOClient: NSObject {
return self._secure
}
var sid:String?
public init(socketURL:String, opts:[String: AnyObject]? = nil) {
var mutURL = RegexMutable(socketURL)
if mutURL["https://"].matches().count != 0 {
self._secure = true
}
mutURL = mutURL["http://"] ~= ""
mutURL = mutURL["https://"] ~= ""
self.socketURL = mutURL
// Set options
if opts != nil {
if let reconnects = opts!["reconnects"] as? Bool {
self.reconnects = reconnects
}
if let reconnectAttempts = opts!["reconnectAttempts"] as? Int {
self.reconnectAttempts = reconnectAttempts
} else {
self.reconnectAttempts = -1
}
if let reconnectWait = opts!["reconnectWait"] as? Int {
self.reconnectWait = abs(reconnectWait)
}
if let nsp = opts!["nsp"] as? String {
self.nsp = nsp
}
if let polling = opts!["forcePolling"] as? Bool {
self.forcePolling = polling
}
} else {
self.reconnectAttempts = -1
}
super.init()
self.engine = SocketEngine(client: self, forcePolling: self.forcePolling)
}
// Closes the socket
public func close() {
self.closed = true
@ -109,30 +109,30 @@ public class SocketIOClient: NSObject {
self.reconnecting = false
self.engine?.close()
}
// Connects to the server
public func connect() {
if self.closed {
println("Warning! This socket was previously closed. This might be dangerous!")
self.closed = false
}
self.engine?.open()
}
// Connect to the server using params
public func connectWithParams(params:[String: AnyObject]) {
if self.closed {
println("Warning! This socket was previously closed. This might be dangerous!")
self.closed = false
}
self.params = params
self.paramConnect = true
self.engine?.open(opts: params)
}
func didConnect() {
self.closed = false
self.connected = true
@ -141,10 +141,11 @@ 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)
}
// Server wants us to die
func didForceClose() {
self.closed = true
@ -154,7 +155,7 @@ public class SocketIOClient: NSObject {
self.reconnecting = false
self.handleEvent("disconnect", data: "closed", isInternalMessage: true)
}
// Sends a message with multiple args
// If a message contains binary we have to send those
// seperately.
@ -162,13 +163,13 @@ public class SocketIOClient: NSObject {
if !self.connected {
return
}
dispatch_async(self.emitQueue) {[weak self] in
self?._emit(event, args)
return
}
}
// Objc doesn't have variadics
public func emitObjc(event:String, _ args:[AnyObject]) {
self.emit(event, args)
@ -178,33 +179,33 @@ public class SocketIOClient: NSObject {
if !self.connected {
return SocketAckHandler(event: "fail")
}
self.currentAck++
let ackHandler = SocketAckHandler(event: event, ackNum: self.currentAck)
self.ackHandlers.append(ackHandler)
dispatch_async(self.emitQueue) {[weak self] in
self?._emit(event, args, ack: true)
return
}
return ackHandler
}
public func emitWithAckObjc(event:String, _ args:[AnyObject]) -> SocketAckHandler {
return self.emitWithAck(event, args)
}
private func _emit(event:String, _ args:[AnyObject], ack:Bool = false) {
var frame:SocketEvent
var str:String
let (items, hasBinary, emitDatas) = SocketIOClient.parseEmitArgs(args)
if !self.connected {
return
}
if hasBinary {
if !ack {
str = SocketEvent.createMessageForEvent(event, withArgs: items,
@ -213,7 +214,7 @@ public class SocketIOClient: NSObject {
str = SocketEvent.createMessageForEvent(event, withArgs: items,
hasBinary: true, withDatas: emitDatas.count, toNamespace: self.nsp, wantsAck: self.currentAck)
}
self.engine?.send(str, datas: emitDatas)
} else {
if !ack {
@ -223,21 +224,21 @@ public class SocketIOClient: NSObject {
str = SocketEvent.createMessageForEvent(event, withArgs: items, hasBinary: false,
withDatas: 0, toNamespace: self.nsp, wantsAck: self.currentAck)
}
self.engine?.send(str)
}
}
// If the server wants to know that the client received data
internal func emitAck(ack:Int, withData data:[AnyObject]?, withAckType ackType:Int) {
dispatch_async(self.ackQueue) {[weak self] in
if self == nil || !self!.connected || data == nil {
return
}
let (items, hasBinary, emitDatas) = SocketIOClient.parseEmitArgs(data!)
var str:String
if !hasBinary {
if self?.nsp == nil {
str = SocketEvent.createAck(ack, withArgs: items,
@ -246,7 +247,7 @@ public class SocketIOClient: NSObject {
str = SocketEvent.createAck(ack, withArgs: items,
withAckType: 3, withNsp: self!.nsp!)
}
self?.engine?.send(str)
} else {
if self?.nsp == nil {
@ -256,12 +257,12 @@ public class SocketIOClient: NSObject {
str = SocketEvent.createAck(ack, withArgs: items,
withAckType: 6, withNsp: self!.nsp!, withBinary: emitDatas.count)
}
self?.engine?.send(str, datas: emitDatas)
}
}
}
// Called when the socket gets an ack for something it sent
private func handleAck(ack:Int, data:AnyObject?) {
self.ackHandlers = self.ackHandlers.filter {handler in
@ -275,12 +276,12 @@ public class SocketIOClient: NSObject {
} else {
handler.executeAck(nil)
}
return false
}
}
}
// Handles events
public func handleEvent(event:String, data:AnyObject?, isInternalMessage:Bool = false,
wantsAck ack:Int? = nil, withAckType ackType:Int = 3) {
@ -288,7 +289,7 @@ public class SocketIOClient: NSObject {
if !self.connected && !isInternalMessage {
return
}
dispatch_async(dispatch_get_main_queue()) {[weak self] in
self?.anyHandler?((event, data))
return
@ -303,15 +304,15 @@ public class SocketIOClient: NSObject {
handler.executeCallback(data as? NSArray)
}
} else {
// Trying to do a ternary expression in the executeCallback method
// seemed to crash Swift
var dataArr:NSArray? = nil
if let data:AnyObject = data {
dataArr = [data]
}
if ack != nil {
handler.executeCallback(dataArr, withAck: ack!,
withAckType: ackType, withSocket: self)
@ -322,49 +323,49 @@ public class SocketIOClient: NSObject {
}
}
}
// Should be removed and moved to SocketEngine
func joinNamespace() {
if self.nsp != nil {
self.engine?.send("0/\(self.nsp!)")
}
}
// Adds handler for an event
public func on(name:String, callback:NormalCallback) {
let handler = SocketEventHandler(event: name, callback: callback)
self.handlers.append(handler)
}
// Adds a handler for any event
public func onAny(handler:(AnyHandler) -> Void) {
self.anyHandler = handler
}
// Opens the connection to the socket
public func open() {
self.connect()
}
// Parse an NSArray looking for binary data
private class func parseArray(arr:NSArray, var currentPlaceholder:Int) -> (NSArray, Bool, [NSData]) {
var replacementArr = [AnyObject](count: arr.count, repeatedValue: 1)
var hasBinary = false
var arrayDatas = [NSData]()
for g in 0..<arr.count {
if arr[g] is NSData {
hasBinary = true
currentPlaceholder++
let sendData = arr[g] as! NSData
arrayDatas.append(sendData)
replacementArr[g] = ["_placeholder": true,
"num": currentPlaceholder]
} else if let dict = arr[g] as? NSDictionary {
let (nestDict, hadBinary, dictArrs) = self.parseNSDictionary(dict,
currentPlaceholder: currentPlaceholder)
if hadBinary {
hasBinary = true
currentPlaceholder += dictArrs.count
@ -377,7 +378,7 @@ public class SocketIOClient: NSObject {
// Recursive
let (nested, hadBinary, nestDatas) = self.parseArray(nestArr,
currentPlaceholder: currentPlaceholder)
if hadBinary {
hasBinary = true
currentPlaceholder += nestDatas.count
@ -390,35 +391,35 @@ public class SocketIOClient: NSObject {
replacementArr[g] = arr[g]
}
}
return (replacementArr, hasBinary, arrayDatas)
}
// Parses data for events
class func parseData(data:String?) -> AnyObject? {
if data == nil {
return nil
}
var err:NSError?
let stringData = data!.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
let parsed:AnyObject? = NSJSONSerialization.JSONObjectWithData(stringData!,
options: NSJSONReadingOptions.AllowFragments, error: &err)
if err != nil {
// println(err)
return nil
}
return parsed
}
private class func parseEmitArgs(args:[AnyObject]) -> ([AnyObject], Bool, [NSData]) {
var items = [AnyObject](count: args.count, repeatedValue: 1)
var currentPlaceholder = -1
var hasBinary = false
var emitDatas = [NSData]()
for i in 0..<args.count {
if let dict = args[i] as? NSDictionary {
// Check for binary data
@ -426,7 +427,7 @@ public class SocketIOClient: NSObject {
currentPlaceholder: currentPlaceholder)
if hadBinary {
currentPlaceholder += binaryDatas.count
emitDatas.extend(binaryDatas)
hasBinary = true
items[i] = newDict
@ -437,15 +438,15 @@ public class SocketIOClient: NSObject {
// arg is array, check for binary
let (replace, hadData, newDatas) = SocketIOClient.parseArray(arr,
currentPlaceholder: currentPlaceholder)
if hadData {
hasBinary = true
currentPlaceholder += newDatas.count
for data in newDatas {
emitDatas.append(data)
}
items[i] = replace
} else {
items[i] = arr
@ -453,7 +454,7 @@ public class SocketIOClient: NSObject {
} else if let binaryData = args[i] as? NSData {
// args is just binary
hasBinary = true
currentPlaceholder++
items[i] = ["_placeholder": true, "num": currentPlaceholder]
emitDatas.append(binaryData)
@ -461,16 +462,16 @@ public class SocketIOClient: NSObject {
items[i] = args[i]
}
}
return (items, hasBinary, emitDatas)
}
// Parses a NSDictionary, looking for NSData objects
private class func parseNSDictionary(dict:NSDictionary, var currentPlaceholder:Int) -> (NSDictionary, Bool, [NSData]) {
var returnDict = NSMutableDictionary()
var hasBinary = false
var returnDatas = [NSData]()
for (key, value) in dict {
if let binaryData = value as? NSData {
currentPlaceholder++
@ -479,7 +480,7 @@ public class SocketIOClient: NSObject {
returnDict[key as! String] = ["_placeholder": true, "num": currentPlaceholder++]
} else if let arr = value as? NSArray {
let (replace, hadBinary, arrDatas) = self.parseArray(arr, currentPlaceholder: currentPlaceholder)
if hadBinary {
hasBinary = true
returnDict[key as! String] = replace
@ -491,7 +492,7 @@ public class SocketIOClient: NSObject {
} else if let dict = value as? NSDictionary {
// Recursive
let (nestDict, hadBinary, nestDatas) = self.parseNSDictionary(dict, currentPlaceholder: currentPlaceholder)
if hadBinary {
hasBinary = true
returnDict[key as! String] = nestDict
@ -504,14 +505,14 @@ public class SocketIOClient: NSObject {
returnDict[key as! String] = value
}
}
return (returnDict, hasBinary, returnDatas)
}
// Parses messages recieved
internal func parseSocketMessage(stringMessage:String) {
// println(message!)
// Check for successful namepsace connect
if self.nsp != nil {
if stringMessage == "0/\(self.nsp!)" {
@ -519,7 +520,7 @@ public class SocketIOClient: NSObject {
return
}
}
if stringMessage == "0" {
if self.nsp != nil {
// Join namespace
@ -532,20 +533,20 @@ public class SocketIOClient: NSObject {
return
}
}
var mutMessage = RegexMutable(stringMessage)
/**
Begin check for message
**/
let messageGroups = mutMessage["(\\d*)\\/?(\\w*)?,?(\\d*)?(\\[.*\\])?"].groups()
if messageGroups[1].hasPrefix("2") {
var mesNum = messageGroups[1]
var ackNum:String
var namespace:String?
var messagePart:String!
if messageGroups[3] != "" {
ackNum = messageGroups[3]
} else {
@ -553,25 +554,25 @@ public class SocketIOClient: NSObject {
mesNum.replaceRange(range, with: "")
ackNum = mesNum
}
namespace = messageGroups[2]
messagePart = messageGroups[4]
if namespace == "" && self.nsp != nil {
return
}
let messageInternals = RegexMutable(messagePart)["\\[\"(.*?)\",(.*?)?\\]$"].groups()
if messageInternals != nil && messageInternals.count > 2 {
let event = messageInternals[1]
var data:String?
if messageInternals[2] == "" {
data = nil
} else {
data = messageInternals[2]
}
// It would be nice if socket.io only allowed one thing
// per message, but alas, it doesn't.
if let parsed:AnyObject = SocketIOClient.parseData(data) {
@ -600,7 +601,7 @@ public class SocketIOClient: NSObject {
}
}
}
// Check for no item event
let noItemMessage = RegexMutable(messagePart)["\\[\"(.*?)\"]$"].groups()
if noItemMessage != nil && noItemMessage.count == 2 {
@ -618,135 +619,133 @@ public class SocketIOClient: NSObject {
let arr = Array(messageGroups[1])
var ackNum:String
let nsp = messageGroups[2]
if nsp == "" && self.nsp != nil {
return
}
if nsp == "" {
ackNum = String(arr[1...arr.count-1])
} else {
ackNum = messageGroups[3]
}
let ackData:AnyObject? = SocketIOClient.parseData(messageGroups[4])
self.handleAck(ackNum.toInt()!, data: ackData)
return
}
/**
End Check for message
**/
// Check for message with binary placeholders
self.parseBinaryMessage(message: stringMessage)
}
// 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)
/**
Begin check for binary placeholders
**/
let binaryGroup = mutMessage["^(\\d*)-\\/?(\\w*)?,?(\\d*)?\\[(\".*?\")?,?(.*)?\\]$"].groups()
if binaryGroup == nil {
var mutMessage = RegexMutable(message)
/**
Begin check for binary placeholders
**/
let binaryGroup = mutMessage["^(\\d*)-\\/?(\\w*)?,?(\\d*)?\\[(\".*?\")?,?(.*)?\\]$"].groups()
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])
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)
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())
}
/**
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
internal func parseBinaryData(data:NSData) {
let shouldExecute = self.waitingData[0].addData(data)
if shouldExecute {
let socketEvent = self.waitingData.removeAtIndex(0)
var event = socketEvent.event
var parsedArgs:AnyObject? = SocketIOClient.parseData(socketEvent.args as? String)
if let args:AnyObject = parsedArgs {
let filledInArgs:AnyObject = socketEvent.fillInPlaceholders(args)
if socketEvent.justAck! {
// Should handle ack
self.handleAck(socketEvent.ack!, data: filledInArgs)
return
}
// Should do event
if socketEvent.ack != nil {
self.handleEvent(event, data: filledInArgs, isInternalMessage: false,
@ -756,13 +755,13 @@ public class SocketIOClient: NSObject {
}
} else {
let filledInArgs:AnyObject = socketEvent.fillInPlaceholders()
// Should handle ack
if socketEvent.justAck! {
self.handleAck(socketEvent.ack!, data: filledInArgs)
return
}
// Should handle ack
if socketEvent.ack != nil {
self.handleEvent(event, data: filledInArgs, isInternalMessage: false,
@ -773,7 +772,7 @@ public class SocketIOClient: NSObject {
}
}
}
// Something happened while polling
internal func pollingDidFail(err:NSError?) {
if !self.reconnecting {
@ -782,7 +781,7 @@ public class SocketIOClient: NSObject {
self.tryReconnect()
}
}
// We lost connection and should attempt to reestablish
internal func tryReconnect() {
if self.reconnectAttempts != -1 && self.currentReconnectAttempt + 1 > self.reconnectAttempts {
@ -793,23 +792,23 @@ public class SocketIOClient: NSObject {
self.reconnecting = false
return
}
if self.reconnectTimer == nil {
self.reconnecting = true
dispatch_async(dispatch_get_main_queue()) {[weak self] in
if self == nil {
return
}
self?.reconnectTimer = NSTimer.scheduledTimerWithTimeInterval(Double(self!.reconnectWait),
target: self!, selector: "tryReconnect", userInfo: nil, repeats: true)
return
}
}
self.handleEvent("reconnectAttempt", data: self.reconnectAttempts - self.currentReconnectAttempt,
isInternalMessage: true)
self.currentReconnectAttempt++
if self.paramConnect {
self.connectWithParams(self.params)
@ -817,7 +816,7 @@ public class SocketIOClient: NSObject {
self.connect()
}
}
// Called when the socket is closed
func webSocketDidCloseWithCode(code:Int, reason:String!, wasClean:Bool) {
self.connected = false
@ -829,7 +828,7 @@ public class SocketIOClient: NSObject {
self.tryReconnect()
}
}
// Called when an error occurs.
func webSocketDidFailWithError(error:NSError!) {
self.connected = false
@ -842,4 +841,4 @@ public class SocketIOClient: NSObject {
self.tryReconnect()
}
}
}
}

68
SwiftIO/SwiftRegex.swift
View File

@ -16,10 +16,10 @@ import Foundation
var swiftRegexCache = [String: NSRegularExpression]()
public class SwiftRegex: NSObject, BooleanType {
var target: NSString
var regex: NSRegularExpression
init(target:NSString, pattern:String, options:NSRegularExpressionOptions = nil) {
self.target = target
if let regex = swiftRegexCache[pattern] {
@ -37,16 +37,16 @@ public class SwiftRegex: NSObject, BooleanType {
}
super.init()
}
class func failure(message: String) {
println("SwiftRegex: "+message)
//assert(false,"SwiftRegex: failed")
}
final var targetRange: NSRange {
return NSRange(location: 0,length: target.length)
}
final func substring(range: NSRange) -> NSString! {
if ( range.location != NSNotFound ) {
return target.substringWithRange(range)
@ -54,23 +54,23 @@ public class SwiftRegex: NSObject, BooleanType {
return nil
}
}
public func doesMatch(options: NSMatchingOptions = nil) -> Bool {
return range(options: options).location != NSNotFound
}
public func range(options: NSMatchingOptions = nil) -> NSRange {
return regex.rangeOfFirstMatchInString(target as String, options: nil, range: targetRange)
}
public func match(options: NSMatchingOptions = nil) -> String! {
return substring(range(options: options)) as String
}
public func groups(options: NSMatchingOptions = nil) -> [String]! {
return groupsForMatch( regex.firstMatchInString(target as String, options: options, range: targetRange) )
}
func groupsForMatch(match: NSTextCheckingResult!) -> [String]! {
if match != nil {
var groups = [String]()
@ -86,7 +86,7 @@ public class SwiftRegex: NSObject, BooleanType {
return nil
}
}
public subscript(groupno: Int) -> String! {
get {
return groups()[groupno]
@ -103,30 +103,30 @@ public class SwiftRegex: NSObject, BooleanType {
}
}
}
func matchResults(options: NSMatchingOptions = nil) -> [NSTextCheckingResult]? {
let matches = regex.matchesInString(target as String, options: options, range: targetRange)
as? [NSTextCheckingResult]
if matches != nil {
return matches!
} else {
return nil
}
}
public func ranges(options: NSMatchingOptions = nil) -> [NSRange] {
return matchResults(options: options)!.map { $0.range }
}
public func matches(options: NSMatchingOptions = nil) -> [String] {
return matchResults(options: options)!.map( { self.substring($0.range) as String } )
}
public func allGroups(options: NSMatchingOptions = nil) -> [[String]] {
return matchResults(options: options)!.map { self.groupsForMatch($0) }
}
public func dictionary(options: NSMatchingOptions = nil) -> Dictionary<String,String> {
var out = Dictionary<String,String>()
for match in matchResults(options: options)! {
@ -135,23 +135,23 @@ public class SwiftRegex: NSObject, BooleanType {
}
return out
}
func substituteMatches(substitution: (NSTextCheckingResult, UnsafeMutablePointer<ObjCBool>) -> String,
options:NSMatchingOptions = nil) -> NSMutableString {
let out = NSMutableString()
var pos = 0
regex.enumerateMatchesInString(target as String, options: options, range: targetRange ) {
(match: NSTextCheckingResult!, flags: NSMatchingFlags, stop: UnsafeMutablePointer<ObjCBool>) in
let matchRange = match.range
out.appendString( self.substring( NSRange(location:pos, length:matchRange.location-pos) ) as String )
out.appendString( substitution(match, stop) )
pos = matchRange.location + matchRange.length
}
out.appendString( substring( NSRange(location:pos, length:targetRange.length-pos) ) as String )
if let mutableTarget = target as? NSMutableString {
mutableTarget.setString(out as String)
return mutableTarget
@ -164,23 +164,23 @@ public class SwiftRegex: NSObject, BooleanType {
public func __conversion() -> Bool {
return doesMatch()
}
public func __conversion() -> NSRange {
return range()
}
public func __conversion() -> String {
return match()
}
public func __conversion() -> [String] {
return matches()
}
public func __conversion() -> [[String]] {
return allGroups()
}
public func __conversion() -> [String:String] {
return dictionary()
}
@ -228,11 +228,11 @@ public func ~= (left: SwiftRegex, right: String) -> NSMutableString {
public func ~= (left: SwiftRegex, right: [String]) -> NSMutableString {
var matchNumber = 0
return left.substituteMatches({match, stop -> String in
if ++matchNumber == right.count {
stop.memory = true
}
return left.regex.replacementStringForResult( match,
inString: left.target as String, offset: 0, template: right[matchNumber-1] )
}, options: nil)
@ -286,11 +286,11 @@ public func & (left: [() -> Void], right: () -> Void) -> [() -> Void] {
public func | (left: [() -> Void], right: () -> Void) {
let group = dispatch_group_create()
for block in left {
dispatch_group_async(group, _queue, block)
}
dispatch_group_notify(group, dispatch_get_main_queue(), right)
}
@ -307,12 +307,12 @@ public func & <R> (left: [() -> R], right: () -> R) -> [() -> R] {
public func | <R> (left: [() -> R], right: (results:[R!]) -> Void) {
let group = dispatch_group_create()
var results = Array<R!>()
for t in 0..<left.count {
results += [nil]
}
for t in 0..<left.count {
//dispatch_retain(group)
dispatch_group_enter(group)
@ -322,7 +322,7 @@ public func | <R> (left: [() -> R], right: (results:[R!]) -> Void) {
//dispatch_release(group)
})
}
dispatch_group_notify(group, dispatch_get_main_queue(), {
right(results: results)
})

64
SwiftIO/WebSocket.swift
View File

@ -16,7 +16,7 @@ public protocol WebSocketDelegate: class {
}
public class WebSocket : NSObject, NSStreamDelegate {
enum OpCode : UInt8 {
case ContinueFrame = 0x0
case TextFrame = 0x1
@ -27,7 +27,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
case Pong = 0xA
//B-F reserved.
}
enum CloseCode : UInt16 {
case Normal = 1000
case GoingAway = 1001
@ -40,15 +40,15 @@ public class WebSocket : NSObject, NSStreamDelegate {
case PolicyViolated = 1008
case MessageTooBig = 1009
}
enum InternalErrorCode : UInt16 {
// 0-999 WebSocket status codes not used
case OutputStreamWriteError = 1
}
//Where the callback is executed. It defaults to the main UI thread queue.
public var queue = dispatch_get_main_queue()
var optionalProtocols : Array<String>?
//Constant Values.
let headerWSUpgradeName = "Upgrade"
@ -69,7 +69,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
let MaskMask: UInt8 = 0x80
let PayloadLenMask: UInt8 = 0x7F
let MaxFrameSize: Int = 32
class WSResponse {
var isFin = false
var code: OpCode = .ContinueFrame
@ -77,7 +77,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
var frameCount = 0
var buffer: NSMutableData?
}
public weak var delegate: WebSocketDelegate?
private var url: NSURL
private var inputStream: NSInputStream?
@ -98,7 +98,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
public var isConnected :Bool {
return connected
}
//init the websocket with a url
public init(url: NSURL) {
self.url = url
@ -130,43 +130,43 @@ public class WebSocket : NSObject, NSStreamDelegate {
disconnectedBlock = disconnect
receivedDataBlock = data
}
///Connect to the websocket server on a background thread
public func connect() {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0), {
self.createHTTPRequest()
})
}
///disconnect from the websocket server
public func disconnect() {
writeError(CloseCode.Normal.rawValue)
}
///write a string to the websocket. This sends it as a text frame.
public func writeString(str: String) {
dequeueWrite(str.dataUsingEncoding(NSUTF8StringEncoding)!, code: .TextFrame)
}
///write binary data to the websocket. This sends it as a binary frame.
public func writeData(data: NSData) {
dequeueWrite(data, code: .BinaryFrame)
}
//write a ping to the websocket. This sends it as a control frame.
//yodel a sound to the planet. This sends it as an astroid. http://youtu.be/Eu5ZJELRiJ8?t=42s
public func writePing(data: NSData) {
dequeueWrite(data, code: .Ping)
}
//private methods below!
//private method that starts the connection
private func createHTTPRequest() {
let str: NSString = url.absoluteString!
let urlRequest = CFHTTPMessageCreateRequest(kCFAllocatorDefault, "GET",
url, kCFHTTPVersion1_1)
var port = url.port
if port == nil {
if url.scheme == "wss" || url.scheme == "https" {
@ -187,7 +187,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
for (key,value) in headers {
self.addHeader(urlRequest, key: key, val: value)
}
let serializedRequest: NSData = CFHTTPMessageCopySerializedMessage(urlRequest.takeUnretainedValue()).takeUnretainedValue()
self.initStreamsWithData(serializedRequest, Int(port!))
}
@ -215,14 +215,14 @@ public class WebSocket : NSObject, NSStreamDelegate {
private func initStreamsWithData(data: NSData, _ port: Int) {
//higher level API we will cut over to at some point
//NSStream.getStreamsToHostWithName(url.host, port: url.port.integerValue, inputStream: &inputStream, outputStream: &outputStream)
var readStream: Unmanaged<CFReadStream>?
var writeStream: Unmanaged<CFWriteStream>?
let h: NSString = url.host!
CFStreamCreatePairWithSocketToHost(nil, h, UInt32(port), &readStream, &writeStream)
inputStream = readStream!.takeUnretainedValue()
outputStream = writeStream!.takeUnretainedValue()
inputStream!.delegate = self
outputStream!.delegate = self
if url.scheme == "wss" || url.scheme == "https" {
@ -251,7 +251,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
}
//delegate for the stream methods. Processes incoming bytes
public func stream(aStream: NSStream, handleEvent eventCode: NSStreamEvent) {
if eventCode == .HasBytesAvailable {
if(aStream == inputStream) {
processInputStream()
@ -282,7 +282,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
self.delegate?.websocketDidDisconnect(self, error: error)
})
}
///handles the incoming bytes and sending them to the proper processing method
private func processInputStream() {
let buf = NSMutableData(capacity: BUFFER_MAX)
@ -365,7 +365,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
}
return false
}
///validates the HTTP is a 101 as per the RFC spec
private func validateResponse(buffer: UnsafePointer<UInt8>, bufferLen: Int) -> Bool {
let response = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, 0)
@ -381,7 +381,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
}
return false
}
///process the websocket data
private func processRawMessage(buffer: UnsafePointer<UInt8>, bufferLen: Int) {
var response = readStack.last
@ -563,16 +563,16 @@ public class WebSocket : NSObject, NSStreamDelegate {
}
processResponse(response!)
}
let step = offset + Int(len)
let extra = bufferLen-step
if(extra > 0) {
processExtra((buffer+step), bufferLen: extra)
}
}
}
///process the extra of a buffer
private func processExtra(buffer: UnsafePointer<UInt8>, bufferLen: Int) {
if bufferLen < 2 {
@ -581,7 +581,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
processRawMessage(buffer, bufferLen: bufferLen)
}
}
///process the finished response of a buffer
private func processResponse(response: WSResponse) -> Bool {
if response.isFin && response.bytesLeft <= 0 {
@ -615,14 +615,14 @@ public class WebSocket : NSObject, NSStreamDelegate {
}
return false
}
///Create an error
private func errorWithDetail(detail: String, code: UInt16) -> NSError {
var details = Dictionary<String,String>()
details[NSLocalizedDescriptionKey] = detail
return NSError(domain: "Websocket", code: Int(code), userInfo: details)
}
///write a an error to the socket
private func writeError(code: UInt16) {
let buf = NSMutableData(capacity: sizeof(UInt16))
@ -674,7 +674,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
var maskKey = UnsafeMutablePointer<UInt8>(buffer + offset)
SecRandomCopyBytes(kSecRandomDefault, Int(sizeof(UInt32)), maskKey)
offset += sizeof(UInt32)
for (var i = 0; i < dataLength; i++) {
buffer[offset] = bytes[i] ^ maskKey[i % sizeof(UInt32)]
offset += 1
@ -706,8 +706,8 @@ public class WebSocket : NSObject, NSStreamDelegate {
break
}
}
}
}
}