refactor
This commit is contained in:
Erik
parent
ab8de6932c
commit
a231104c15
@ -14,6 +14,7 @@ class SocketParserTest: XCTestCase {
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static let packetTypes: Dictionary<String, (String, [AnyObject], [NSData], Int)> = [
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"0": ("/", [], [], -1), "1": ("/", [], [], -1),
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"25[\"test\"]": ("/", ["test"], [], 5),
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"2[\"test\",\"~~0\"]": ("/", ["test", "~~0"], [], -1),
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"2/swift,[\"testArrayEmitReturn\",[\"test3\",\"test4\"]]": ("/swift", ["testArrayEmitReturn", ["test3", "test4"]], [], -1),
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"51-/swift,[\"testMultipleItemsWithBufferEmitReturn\",[1,2],{\"test\":\"bob\"},25,\"polo\",{\"_placeholder\":true,\"num\":0}]": ("/swift", ["testMultipleItemsWithBufferEmitReturn", [1, 2], ["test": "bob"], 25, "polo", "~~0"], [], -1),
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"3/swift,0[[\"test3\",\"test4\"]]": ("/swift", [["test3", "test4"]], [], 0),
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@ -49,6 +50,11 @@ class SocketParserTest: XCTestCase {
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validateParseResult(message)
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}
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func testBinaryPlaceholderAsString() {
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let message = "2[\"test\",\"~~0\"]"
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validateParseResult(message)
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}
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func testNameSpaceArrayParse() {
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let message = "2/swift,[\"testArrayEmitReturn\",[\"test3\",\"test4\"]]"
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validateParseResult(message)
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@ -219,71 +219,6 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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flushProbeWait()
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}
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private func doPoll() {
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if websocket || waitingForPoll || !connected || closed {
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return
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}
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waitingForPoll = true
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let req = NSMutableURLRequest(URL: NSURL(string: urlPolling + "&sid=\(sid)&b64=1")!)
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if cookies != nil {
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let headers = NSHTTPCookie.requestHeaderFieldsWithCookies(cookies!)
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req.allHTTPHeaderFields = headers
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}
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if extraHeaders != nil {
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for (headerName, value) in extraHeaders! {
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req.setValue(value, forHTTPHeaderField: headerName)
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}
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}
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doLongPoll(req)
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}
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private func doRequest(req: NSMutableURLRequest,
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withCallback callback: (NSData?, NSURLResponse?, NSError?) -> Void) {
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if !polling || closed || invalidated {
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return
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}
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Logger.log("Doing polling request", type: logType)
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req.cachePolicy = .ReloadIgnoringLocalAndRemoteCacheData
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session.dataTaskWithRequest(req, completionHandler: callback).resume()
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}
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private func doLongPoll(req: NSMutableURLRequest) {
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doRequest(req) {[weak self] data, res, err in
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if let this = self {
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if err != nil || data == nil {
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if this.polling {
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this.handlePollingFailed(err?.localizedDescription ?? "Error")
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} else {
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Logger.error(err?.localizedDescription ?? "Error", type: this.logType)
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}
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return
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}
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Logger.log("Got polling response", type: this.logType)
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if let str = NSString(data: data!, encoding: NSUTF8StringEncoding) as? String {
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dispatch_async(this.parseQueue) {[weak this] in
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this?.parsePollingMessage(str)
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}
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}
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this.waitingForPoll = false
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if this.fastUpgrade {
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this.doFastUpgrade()
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} else if !this.closed && this.polling {
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this.doPoll()
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}
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}
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}
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}
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private func flushProbeWait() {
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Logger.log("Flushing probe wait", type: logType)
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@ -302,78 +237,6 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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}
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}
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private func flushWaitingForPost() {
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if postWait.count == 0 || !connected {
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return
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} else if websocket {
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flushWaitingForPostToWebSocket()
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return
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}
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var postStr = ""
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for packet in postWait {
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let len = packet.characters.count
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postStr += "\(len):\(packet)"
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}
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postWait.removeAll(keepCapacity: false)
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let req = NSMutableURLRequest(URL: NSURL(string: urlPolling + "&sid=\(sid)")!)
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if let cookies = cookies {
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let headers = NSHTTPCookie.requestHeaderFieldsWithCookies(cookies)
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req.allHTTPHeaderFields = headers
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}
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req.HTTPMethod = "POST"
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req.setValue("text/plain; charset=UTF-8", forHTTPHeaderField: "Content-Type")
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let postData = postStr.dataUsingEncoding(NSUTF8StringEncoding,
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allowLossyConversion: false)!
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req.HTTPBody = postData
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req.setValue(String(postData.length), forHTTPHeaderField: "Content-Length")
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waitingForPost = true
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Logger.log("POSTing: %@", type: logType, args: postStr)
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doRequest(req) {[weak self] data, res, err in
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if let this = self {
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if err != nil && this.polling {
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this.handlePollingFailed(err?.localizedDescription ?? "Error")
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return
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} else if err != nil {
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Logger.error(err?.localizedDescription ?? "Error", type: this.logType)
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return
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}
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this.waitingForPost = false
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dispatch_async(this.emitQueue) {[weak this] in
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if !(this?.fastUpgrade ?? true) {
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this?.flushWaitingForPost()
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this?.doPoll()
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}
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}
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}
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}
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}
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// We had packets waiting for send when we upgraded
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// Send them raw
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private func flushWaitingForPostToWebSocket() {
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guard let ws = self.ws else {return}
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for msg in postWait {
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ws.writeString(msg)
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}
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postWait.removeAll(keepCapacity: true)
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}
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private func handleClose() {
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if let client = client where polling == true {
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client.engineDidClose("Disconnect")
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@ -487,29 +350,6 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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doLongPoll(reqPolling)
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}
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private func parsePollingMessage(str: String) {
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guard str.characters.count != 1 else {
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return
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}
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var reader = SocketStringReader(message: str)
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while reader.hasNext {
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if let n = Int(reader.readUntilStringOccurence(":")) {
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let str = reader.read(n)
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dispatch_async(handleQueue) {
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self.parseEngineMessage(str, fromPolling: true)
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}
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} else {
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dispatch_async(handleQueue) {
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self.parseEngineMessage(str, fromPolling: true)
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}
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break
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}
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}
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}
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private func parseEngineData(data: NSData) {
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Logger.log("Got binary data: %@", type: "SocketEngine", args: data)
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client?.parseBinaryData(data.subdataWithRange(NSMakeRange(1, data.length - 1)))
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@ -572,43 +412,6 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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write("", withType: .Ping, withData: nil)
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}
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/// Send polling message.
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/// Only call on emitQueue
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private func sendPollMessage(var msg: String, withType type: SocketEnginePacketType,
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datas:[NSData]? = nil) {
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Logger.log("Sending poll: %@ as type: %@", type: logType, args: msg, type.rawValue)
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doubleEncodeUTF8(&msg)
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let strMsg = "\(type.rawValue)\(msg)"
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postWait.append(strMsg)
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for data in datas ?? [] {
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if case let .Right(bin) = createBinaryDataForSend(data) {
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postWait.append(bin)
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}
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}
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if !waitingForPost {
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flushWaitingForPost()
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}
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}
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/// Send message on WebSockets
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/// Only call on emitQueue
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private func sendWebSocketMessage(str: String, withType type: SocketEnginePacketType,
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datas:[NSData]? = nil) {
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Logger.log("Sending ws: %@ as type: %@", type: logType, args: str, type.rawValue)
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ws?.writeString("\(type.rawValue)\(str)")
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for data in datas ?? [] {
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if case let Either.Left(bin) = createBinaryDataForSend(data) {
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ws?.writeData(bin)
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}
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}
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}
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// Starts the ping timer
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private func startPingTimer() {
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if let pingInterval = pingInterval {
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@ -622,11 +425,6 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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}
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}
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func stopPolling() {
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invalidated = true
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session.finishTasksAndInvalidate()
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}
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private func upgradeTransport() {
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if websocketConnected {
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Logger.log("Upgrading transport to WebSockets", type: logType)
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@ -655,6 +453,214 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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}
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}
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}
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}
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// Polling methods
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private extension SocketEngine {
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func doPoll() {
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if websocket || waitingForPoll || !connected || closed {
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return
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}
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waitingForPoll = true
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let req = NSMutableURLRequest(URL: NSURL(string: urlPolling + "&sid=\(sid)&b64=1")!)
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if cookies != nil {
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let headers = NSHTTPCookie.requestHeaderFieldsWithCookies(cookies!)
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req.allHTTPHeaderFields = headers
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}
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if extraHeaders != nil {
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for (headerName, value) in extraHeaders! {
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req.setValue(value, forHTTPHeaderField: headerName)
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}
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}
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doLongPoll(req)
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}
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func doRequest(req: NSMutableURLRequest,
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withCallback callback: (NSData?, NSURLResponse?, NSError?) -> Void) {
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if !polling || closed || invalidated {
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return
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}
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Logger.log("Doing polling request", type: logType)
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req.cachePolicy = .ReloadIgnoringLocalAndRemoteCacheData
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session.dataTaskWithRequest(req, completionHandler: callback).resume()
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}
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func doLongPoll(req: NSMutableURLRequest) {
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doRequest(req) {[weak self] data, res, err in
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if let this = self {
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if err != nil || data == nil {
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if this.polling {
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this.handlePollingFailed(err?.localizedDescription ?? "Error")
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} else {
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Logger.error(err?.localizedDescription ?? "Error", type: this.logType)
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}
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return
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}
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Logger.log("Got polling response", type: this.logType)
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if let str = NSString(data: data!, encoding: NSUTF8StringEncoding) as? String {
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dispatch_async(this.parseQueue) {[weak this] in
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this?.parsePollingMessage(str)
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}
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}
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this.waitingForPoll = false
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if this.fastUpgrade {
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this.doFastUpgrade()
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} else if !this.closed && this.polling {
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this.doPoll()
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}
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}
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}
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}
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func flushWaitingForPost() {
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if postWait.count == 0 || !connected {
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return
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} else if websocket {
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flushWaitingForPostToWebSocket()
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return
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}
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var postStr = ""
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for packet in postWait {
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let len = packet.characters.count
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postStr += "\(len):\(packet)"
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}
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postWait.removeAll(keepCapacity: false)
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let req = NSMutableURLRequest(URL: NSURL(string: urlPolling + "&sid=\(sid)")!)
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if let cookies = cookies {
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let headers = NSHTTPCookie.requestHeaderFieldsWithCookies(cookies)
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req.allHTTPHeaderFields = headers
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}
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req.HTTPMethod = "POST"
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req.setValue("text/plain; charset=UTF-8", forHTTPHeaderField: "Content-Type")
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let postData = postStr.dataUsingEncoding(NSUTF8StringEncoding,
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allowLossyConversion: false)!
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req.HTTPBody = postData
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req.setValue(String(postData.length), forHTTPHeaderField: "Content-Length")
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waitingForPost = true
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Logger.log("POSTing: %@", type: logType, args: postStr)
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doRequest(req) {[weak self] data, res, err in
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if let this = self {
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if err != nil && this.polling {
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this.handlePollingFailed(err?.localizedDescription ?? "Error")
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return
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} else if err != nil {
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Logger.error(err?.localizedDescription ?? "Error", type: this.logType)
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return
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}
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this.waitingForPost = false
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dispatch_async(this.emitQueue) {[weak this] in
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if !(this?.fastUpgrade ?? true) {
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this?.flushWaitingForPost()
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this?.doPoll()
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}
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}
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}
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}
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}
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// We had packets waiting for send when we upgraded
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// Send them raw
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private func flushWaitingForPostToWebSocket() {
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guard let ws = self.ws else {return}
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for msg in postWait {
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ws.writeString(msg)
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}
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postWait.removeAll(keepCapacity: true)
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}
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func parsePollingMessage(str: String) {
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guard str.characters.count != 1 else {
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return
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}
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var reader = SocketStringReader(message: str)
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while reader.hasNext {
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if let n = Int(reader.readUntilStringOccurence(":")) {
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let str = reader.read(n)
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dispatch_async(handleQueue) {
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self.parseEngineMessage(str, fromPolling: true)
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}
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} else {
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dispatch_async(handleQueue) {
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self.parseEngineMessage(str, fromPolling: true)
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}
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break
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}
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}
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}
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/// Send polling message.
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/// Only call on emitQueue
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func sendPollMessage(var msg: String, withType type: SocketEnginePacketType,
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datas:[NSData]? = nil) {
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Logger.log("Sending poll: %@ as type: %@", type: logType, args: msg, type.rawValue)
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doubleEncodeUTF8(&msg)
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let strMsg = "\(type.rawValue)\(msg)"
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postWait.append(strMsg)
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for data in datas ?? [] {
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if case let .Right(bin) = createBinaryDataForSend(data) {
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postWait.append(bin)
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}
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}
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if !waitingForPost {
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flushWaitingForPost()
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}
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}
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func stopPolling() {
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invalidated = true
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session.finishTasksAndInvalidate()
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}
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}
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// WebSocket methods
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extension SocketEngine {
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/// Send message on WebSockets
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/// Only call on emitQueue
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private func sendWebSocketMessage(str: String, withType type: SocketEnginePacketType,
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datas:[NSData]? = nil) {
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Logger.log("Sending ws: %@ as type: %@", type: logType, args: str, type.rawValue)
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ws?.writeString("\(type.rawValue)\(str)")
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for data in datas ?? [] {
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if case let Either.Left(bin) = createBinaryDataForSend(data) {
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ws?.writeData(bin)
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}
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}
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}
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// Delagate methods
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@ -210,6 +210,7 @@ struct SocketPacket {
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mutating func fillInPlaceholders() {
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for i in 0..<data.count {
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if let str = data[i] as? String, num = str["~~(\\d)"].groups() {
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// Fill in binary placeholder with data
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data[i] = binary[Int(num[1])!]
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} else if data[i] is NSDictionary || data[i] is NSArray {
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data[i] = _fillInPlaceholders(data[i])
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