cheykrym/socket.io-client-swift
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Use a ephemeral NSURLSession for polling, because NSURLConnection.sendAsnc.. seems to either leak memory, or cache

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This commit is contained in:
Erik 2015-03-06 18:24:06 -05:00
parent 41c168a29a
commit ae28a02163
2 changed files with 16 additions and 17 deletions
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32
SwiftIO/SocketEngine.swift
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@ -61,6 +61,7 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
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
@ -81,6 +82,8 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
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() {
@ -144,12 +147,10 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
return
}
let req = NSURLRequest(URL:
NSURL(string: self.urlPolling! + "&sid=\(self.sid)")!)
let req = NSURLRequest(URL: NSURL(string: self.urlPolling! + "&sid=\(self.sid)")!)
self.waitingForPoll = true
NSURLConnection.sendAsynchronousRequest(req,
queue: self.workQueue) {[weak self] res, data, err in
self.session.dataTaskWithRequest(req) {[weak self] data, res, err in
if self == nil {
return
} else if err != nil {
@ -161,7 +162,7 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
// println(data)
if let str = NSString(data: data, encoding: NSUTF8StringEncoding) {
if let str = NSString(data: data, encoding: NSUTF8StringEncoding) as? String {
// println(str)
dispatch_async(self?.parseQueue) {[weak self] in
@ -172,7 +173,7 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
self?.waitingForPoll = false
self?.doPoll()
}
}.resume()
}
private func flushProbeWait() {
@ -206,10 +207,9 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
postStr += "\(len):\(packet)"
}
self.postWait.removeAll(keepCapacity: true)
self.postWait.removeAll(keepCapacity: false)
var req = NSMutableURLRequest(URL:
NSURL(string: self.urlPolling! + "&sid=\(self.sid)")!)
let req = NSMutableURLRequest(URL: NSURL(string: self.urlPolling! + "&sid=\(self.sid)")!)
req.HTTPMethod = "POST"
req.setValue("application/html-text", forHTTPHeaderField: "Content-Type")
@ -222,7 +222,8 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
req.HTTPBody = postData
self.waitingForPost = true
NSURLConnection.sendAsynchronousRequest(req, queue: self.workQueue) {[weak self] res, data, err in
self.session.dataTaskWithRequest(req) {[weak self] data, res, err in
if err != nil {
if self!.polling {
self?.handlePollingFailed(err)
@ -233,7 +234,7 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
self?.flushWaitingForPost()
self?.waitingForPost = false
self?.doPoll()
}
}.resume()
}
// We had packets waiting for send when we upgraded
@ -269,8 +270,7 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
self.urlWebSocket = urlWebSocket
let reqPolling = NSURLRequest(URL: NSURL(string: urlPolling + "&b64=1")!)
NSURLConnection.sendAsynchronousRequest(reqPolling,
queue: self.workQueue) {[weak self] res, data, err in
self.session.dataTaskWithRequest(reqPolling) {[weak self] data, res, err in
var err:NSError?
if self == nil {
return
@ -325,7 +325,7 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
self?.doPoll()
self?.startPingTimer()
}
}
}.resume()
}
// Translatation of engine.io-parser#decodePayload
@ -477,8 +477,6 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
}
func sendPing() {
// println("sending ping")
if self.websocket {
self.sendWebSocketMessage("", withType: PacketType.PING)
} else {
@ -527,7 +525,7 @@ class SocketEngine: NSObject, SRWebSocketDelegate {
if self.pingInterval == nil {
return
}
self.pingTimer?.invalidate()
dispatch_async(dispatch_get_main_queue()) {
self.pingTimer = NSTimer.scheduledTimerWithTimeInterval(NSTimeInterval(self.pingInterval!), target: self,

1
SwiftIO/SocketEventHandler.swift
View File

@ -23,6 +23,7 @@
// THE SOFTWARE.
typealias NormalCallback = (NSArray?, AckEmitter?) -> Void
typealias AnyHandler = (event:String, items:AnyObject?)
typealias AckEmitter = (AnyObject...) -> Void
private func emitAckCallback(socket:SocketIOClient, num:Int, type:Int) -> AckEmitter {