LAN内での別PCの場合の速度テストをいくつかやったけど、LocalConnectionを使って同じPC内で通信した場合の速度はどんなもんだろう、と思って確認してみた。
LocalConnectionTest – wonderfl build flash online
◆結果。
FPS:60の場合、2～30msecだった。
FPS:5の場合、200msec以上だった。
イベント処理の速度は結局フレームレートに依存しているよね、という話だと思う。
◆使い方。
：同じPCで、ブラウザウィンドウ２つでこのページを立ち上げる。
：sendボタンを押すと、相手側のテキストフィールドに数字がでる。この数字が、片道のミリ秒。
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package { import com.bit101.components.Label; import com.bit101.components.NumericStepper; import flash.display.Sprite; import flash.events.Event; import flash.net.SharedObject; /** * ... * @author umhr */ [SWF(width = 465, height = 465, backgroundColor = 0xEEEEEE, frameRate = 60)] public class WonderflMain extends Sprite { private var _numericStepper:NumericStepper; public function WonderflMain():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); // entry point var sharedObject:SharedObject = SharedObject.getLocal("my_data"); if (sharedObject) { var obj:Object = sharedObject.data; if (isNaN(obj.count)) { obj["count"] = 0; }else { obj["count"] ++; } } sharedObject.flush(); addChild(new LocalConnectionSenderExample("myConnection" + (obj.count) % 2)); addChild(new LocalConnectionReceiverExample("myConnection" + (obj.count + 1) % 2)); setFPSStepper(); } private function setFPSStepper():void { new Label(this, 320, 440, "FPS:"); _numericStepper = new NumericStepper(this, 350, 440, onNumericStepper); _numericStepper.minimum = 1; _numericStepper.maximum = 120; _numericStepper.value = 60; } private function onNumericStepper(event:Event):void { stage.frameRate = _numericStepper.value; } } } import flash.display.Sprite; import flash.events.MouseEvent; import flash.events.StatusEvent; import flash.net.LocalConnection; import flash.text.TextField; import flash.text.TextFieldAutoSize; import flash.text.TextFieldType; class LocalConnectionSenderExample extends Sprite { private var conn:LocalConnection; // UI elements private var messageLabel:TextField; private var message:TextField; private var sendBtn:Sprite; private var _connectionName:String = "myConnection"; public function LocalConnectionSenderExample(connectionName:String) { _connectionName = connectionName; buildUI(); sendBtn.addEventListener(MouseEvent.CLICK, sendMessage); conn = new LocalConnection(); conn.addEventListener(StatusEvent.STATUS, onStatus); } private function sendMessage(event:MouseEvent):void { conn.send(_connectionName, "lcHandler", message.text, new Date().time); message.text = ""; } private function onStatus(event:StatusEvent):void { switch (event.level) { case "status": //trace("LocalConnection.send() succeeded"); break; case "error": trace("LocalConnection.send() failed"); message.text = "ブラウザでこのページと同じページを開いてください。"; break; } } private function buildUI():void { const hPadding:uint = 5; // messageLabel messageLabel = new TextField(); messageLabel.x = 8; messageLabel.y = 8; messageLabel.text = "Text to send:"; messageLabel.autoSize = TextFieldAutoSize.LEFT; addChild(messageLabel); // message message = new TextField(); message.x = messageLabel.x + messageLabel.width + hPadding; message.y = 8; message.width = 300; message.height = 20; message.background = true; message.border = true; message.type = TextFieldType.INPUT; addChild(message); // sendBtn sendBtn = new Sprite(); sendBtn.x = message.x + message.width + hPadding; sendBtn.y = 8; var sendLbl:TextField = new TextField(); sendLbl.x = 1 + hPadding; sendLbl.y = 1; sendLbl.selectable = false; sendLbl.autoSize = TextFieldAutoSize.LEFT; sendLbl.text = "Send"; sendBtn.addChild(sendLbl); sendBtn.graphics.lineStyle(1); sendBtn.graphics.beginFill(0xcccccc); sendBtn.graphics.drawRoundRect(0, 0, (sendLbl.width + 2 + hPadding + hPadding), (sendLbl.height + 2), 5, 5); sendBtn.graphics.endFill(); addChild(sendBtn); } } import flash.display.Sprite; import flash.net.LocalConnection; import flash.text.TextField; class LocalConnectionReceiverExample extends Sprite { private var conn:LocalConnection; private var output:TextField; private var _connectionName:String = "myConnection"; public function LocalConnectionReceiverExample(connectionName:String) { _connectionName = connectionName; buildUI(); conn = new LocalConnection(); conn.client = this; try { conn.connect(_connectionName); } catch (error:ArgumentError) { trace("Can't connect...the connection name is already being used by another SWF"); } } public function lcHandler(msg:String, time:Number):void { output.appendText(msg +" " + String(new Date().time-Number(time)) + " msec" +"\n"); } private function buildUI():void { output = new TextField(); output.background = true; output.border = true; output.wordWrap = true; output.x = 8; output.y = 32; output.width = 420; output.height = 400; output.text = ""; addChild(output); } } |
