BaseSocket类-可以提升Socket数据传输效率

[AS3]BaseSocket类-可以提升Socket数据传输效率

需要Flash Player 9.0或更高版本的支持

原理就是结合AMF3和ByteArray的特性对原来数据进行压缩后再传输，这样就可以大大提高数据传输效率。

我现在把客户端方法进行优化，现在写成一个BaseSocket类来方便调用。



BaseSocket类

/**
* @author Kinglong
* @link [email protected]
* @builddate 20081121
* @flashplayerversion 9+
* @version 0.1
*/

package  com.klstudio.socket {

    import  flash.events.*;
    import  flash.net.Socket;
    import  flash.net.ObjectEncoding;
    import  flash.system.Security;
    import  flash.utils.ByteArray;

    public  class  BaseSocket extends  EventDispatcher{

        private  var _host:String;
        private  var _port:uint;
        private  var _socket:Socket;

        public  function BaseSocket(host:String, port:uint = 80 ) {
            this ._host = host;
            this ._port = port;
            this ._socket = new  Socket();
            this ._socket.objectEncoding = ObjectEncoding.AMF3;
            Security.loadPolicyFile("xmlsocket://"  + this .host + ":"  + this .port);
            this ._socket.addEventListener(Event.CONNECT, handler);
            this ._socket.addEventListener(Event.CLOSE, handler);
            this ._socket.addEventListener(IOErrorEvent.IO_ERROR, handler);
            this ._socket.addEventListener(SecurityErrorEvent.SECURITY_ERROR, handler);
            this ._socket.addEventListener(ProgressEvent.SOCKET_DATA, handler);
        }

        public  function get host():String {
            return  _host;
        }

        public  function get port():uint {
            return  _port;
        }

        public  function get connected():Boolean {
            return  this ._socket.connected;
        }

        public  function connect():void  {
            this ._socket.connect(host, port);
        }

        public  function close():void  {
            this ._socket.close();
        }

        public  function send(params:Object=null ):void  {
            if (!this .connected || params == null ){
                return ;
            }
            var bytes:ByteArray = new  ByteArray();
            bytes.writeObject(params);
            bytes.compress();
            this ._socket.writeBytes(bytes);
            this ._socket.flush();
            this .dispatchEvent(new  BaseSocketEvent(BaseSocketEvent.SENDING, params));
        }

        private  function received():void  {
            var bytes:ByteArray = new  ByteArray();
            while  (this ._socket.bytesAvailable > 0 ) {
                this ._socket.readBytes(bytes, 0 , this ._socket.bytesAvailable);
            }
            try {
                bytes.uncompress();
                this .dispatchEvent(new  BaseSocketEvent(BaseSocketEvent.RECEIVED, bytes.readObject()));
            }catch  (error:Error) {
                this .dispatchEvent(new  BaseSocketEvent(BaseSocketEvent.DECODE_ERROR));
            }
        }

        private  function handler(event:Event):void  {
            switch (event.type) {
                case  Event.CLOSE:
                    this .dispatchEvent(new  BaseSocketEvent(BaseSocketEvent.CLOSE));
                    break ;
                case  Event.CONNECT:
                case  IOErrorEvent.IO_ERROR:
                case  SecurityErrorEvent.SECURITY_ERROR:
                    this .dispatchEvent(new  BaseSocketEvent(event.type));
                    break ;
                case  ProgressEvent.SOCKET_DATA:
                    this .received();
                    break ;
            }
        }
    }
}

/**<br/>*
@author Kinglong<br/>* @link [email protected]<br/>*
@builddate 20081121<br/>* @flashplayerversion 9+<br/>*
@version 0.1<br/>*/ <br/><br/>package
com.klstudio.socket { <br/> <br/> import
flash.events.*;<br/> import  flash.net.Socket;<br/> import
flash.net.ObjectEncoding;<br/> import
flash.system.Security;<br/> import
flash.utils.ByteArray;<br/><br/> public  class  BaseSocket
extends  EventDispatcher{<br/> <br/> private  var
_host:String;<br/> private  var _port:uint;<br/> private  var
_socket:Socket;<br/> <br/> public  function
BaseSocket(host:String, port:uint = 80 ) {<br/> this ._host =
host;<br/> this ._port = port;<br/> this ._socket = new
Socket();<br/> this ._socket.objectEncoding = ObjectEncoding.AMF3;
<br/> Security.loadPolicyFile("xmlsocket://"  + this .host + ":"  +
this .port);<br/> this ._socket.addEventListener(Event.CONNECT,
handler);<br/> this ._socket.addEventListener(Event.CLOSE,
handler);<br/>
this ._socket.addEventListener(IOErrorEvent.IO_ERROR,
handler);<br/>
this ._socket.addEventListener(SecurityErrorEvent.SECURITY_ERROR,
handler);<br/>
this ._socket.addEventListener(ProgressEvent.SOCKET_DATA,
handler);<br/> }<br/> <br/> public  function get
host():String {<br/> return  _host;<br/> }<br/>
<br/> public  function get port():uint {<br/> return
_port;<br/> }<br/> <br/> public  function get
connected():Boolean {<br/> return
this ._socket.connected;<br/> }<br/> <br/> public
function connect():void  {<br/> this ._socket.connect(host,
port);<br/> }<br/> <br/> public  function close():void
{<br/> this ._socket.close();<br/> }<br/> <br/>
public  function send(params:Object=null ):void  {<br/>
if (!this .connected || params == null ){<br/> return ;<br/>
}<br/> var bytes:ByteArray = new  ByteArray();<br/>
bytes.writeObject(params);<br/> bytes.compress();<br/>
this ._socket.writeBytes(bytes);<br/>
this ._socket.flush();<br/> this .dispatchEvent(new
BaseSocketEvent(BaseSocketEvent.SENDING, params)); <br/>
}<br/> <br/> private  function received():void  { <br/>
var bytes:ByteArray = new  ByteArray();<br/> while
(this ._socket.bytesAvailable > 0 ) {<br/>
this ._socket.readBytes(bytes, 0 ,
this ._socket.bytesAvailable);<br/> }<br/> try { <br/>
bytes.uncompress();<br/> this .dispatchEvent(new
BaseSocketEvent(BaseSocketEvent.RECEIVED,
bytes.readObject()));<br/> }catch  (error:Error) {<br/>
this .dispatchEvent(new
BaseSocketEvent(BaseSocketEvent.DECODE_ERROR));<br/> }<br/>
}<br/> <br/> private  function handler(event:Event):void
{<br/> switch (event.type) {<br/> case
Event.CLOSE:<br/> this .dispatchEvent(new
BaseSocketEvent(BaseSocketEvent.CLOSE));<br/> break ;<br/>
case  Event.CONNECT: <br/> case  IOErrorEvent.IO_ERROR:<br/>
case  SecurityErrorEvent.SECURITY_ERROR:<br/>
this .dispatchEvent(new  BaseSocketEvent(event.type));<br/>
break ;<br/> case  ProgressEvent.SOCKET_DATA:<br/>
this .received();<br/> break ;<br/> }<br/> }<br/>
}<br/>}

/**<br/>* @author Kinglong<br/>* @link [email protected]<br/>* @builddate 20081121<br/>* @flashplayerversion 9+<br/>* @version 0.1<br/>*/<br/><br/>package com.klstudio.socket { <br/> <br/> import flash.events.*;<br/> import flash.net.Socket;<br/> import flash.net.ObjectEncoding;<br/> import flash.system.Security;<br/> import flash.utils.ByteArray;<br/><br/> public class BaseSocket extends EventDispatcher{<br/> <br/> private var _host:String;<br/> private var _port:uint;<br/> private var _socket:Socket;<br/> <br/> public function BaseSocket(host:String, port:uint = 80) {<br/> this._host = host;<br/> this._port = port;<br/> this._socket = new Socket();<br/> this._socket.objectEncoding = ObjectEncoding.AMF3; <br/> Security.loadPolicyFile("xmlsocket://" + this.host + ":" + this.port);<br/> this._socket.addEventListener(Event.CONNECT, handler);<br/> this._socket.addEventListener(Event.CLOSE, handler);<br/> this._socket.addEventListener(IOErrorEvent.IO_ERROR, handler);<br/> this._socket.addEventListener(SecurityErrorEvent.SECURITY_ERROR, handler);<br/> this._socket.addEventListener(ProgressEvent.SOCKET_DATA, handler);<br/> }<br/> <br/> public function get host():String {<br/> return _host;<br/> }<br/> <br/> public function get port():uint {<br/> return _port;<br/> }<br/> <br/> public function get connected():Boolean {<br/> return this._socket.connected;<br/> }<br/> <br/> public function connect():void {<br/> this._socket.connect(host, port);<br/> }<br/> <br/> public function close():void {<br/> this._socket.close();<br/> }<br/> <br/> public function send(params:Object=null):void {<br/> if(!this.connected || params == null){<br/> return;<br/> }<br/> var bytes:ByteArray = new ByteArray();<br/> bytes.writeObject(params);<br/> bytes.compress();<br/> this._socket.writeBytes(bytes);<br/> this._socket.flush();<br/> this.dispatchEvent(new BaseSocketEvent(BaseSocketEvent.SENDING, params)); <br/> }<br/> <br/> private function received():void { <br/> var bytes:ByteArray = new ByteArray();<br/> while (this._socket.bytesAvailable > 0) {<br/> this._socket.readBytes(bytes, 0, this._socket.bytesAvailable);<br/> }<br/> try{ <br/> bytes.uncompress();<br/> this.dispatchEvent(new BaseSocketEvent(BaseSocketEvent.RECEIVED, bytes.readObject()));<br/> }catch (error:Error) {<br/> this.dispatchEvent(new BaseSocketEvent(BaseSocketEvent.DECODE_ERROR));<br/> }<br/> }<br/> <br/> private function handler(event:Event):void {<br/> switch(event.type) {<br/> case Event.CLOSE:<br/> this.dispatchEvent(new BaseSocketEvent(BaseSocketEvent.CLOSE));<br/> break;<br/> case Event.CONNECT: <br/> case IOErrorEvent.IO_ERROR:<br/> case SecurityErrorEvent.SECURITY_ERROR:<br/> this.dispatchEvent(new BaseSocketEvent(event.type));<br/> break;<br/> case ProgressEvent.SOCKET_DATA:<br/> this.received();<br/> break;<br/> }<br/> }<br/> }<br/>}

BaseSocketEvent类

/**
* @author Kinglong
* @link [email protected]
* @builddate 20081121
* @flashplayerversion 9+
* @version 0.1
*/

package  com.klstudio.socket {

    import  flash.events.*;

    public  class  BaseSocketEvent extends  Event {

        public  static  const  SECURITY_ERROR:String = SecurityErrorEvent.SECURITY_ERROR;
        public  static  const  IO_ERROR:String = IOErrorEvent.IO_ERROR;
        public  static  const  DECODE_ERROR:String = "decode_error" ;
        public  static  const  RECEIVED:String = "received" ;
        public  static  const  SENDING:String = "sending" ;
        public  static  const  CLOSE:String = Event.CLOSE;
        public  static  const  CONNECT:String = Event.CONNECT;

        private  var _data:Object;

        public  function BaseSocketEvent(type:String, data:Object = null ) {
            super (type, true );
            this ._data = data;
        }

        public  function get data():Object {
            return  _data;
        }

        override public  function toString():String {
            return  formatToString("BaseSocketEvent" , "type" , "bubbles" , "cancelable" , "data" );
        }

        override public  function clone():Event {
            return  new  BaseSocketEvent(type, data);
        }
    }

}

/**<br/>*
@author Kinglong<br/>* @link [email protected]<br/>*
@builddate 20081121<br/>* @flashplayerversion 9+<br/>*
@version 0.1<br/>*/ <br/><br/>package
com.klstudio.socket {<br/> <br/> import
flash.events.*;<br/><br/> public  class  BaseSocketEvent
extends  Event {<br/> <br/> public  static  const
SECURITY_ERROR:String = SecurityErrorEvent.SECURITY_ERROR;<br/>
public  static  const  IO_ERROR:String = IOErrorEvent.IO_ERROR;<br/>
public  static  const  DECODE_ERROR:String = "decode_error" ;<br/>
public  static  const  RECEIVED:String = "received" ;<br/> public
static  const  SENDING:String = "sending" ;<br/> public  static  const
CLOSE:String = Event.CLOSE;<br/> public  static  const
CONNECT:String = Event.CONNECT;<br/> <br/> private  var
_data:Object;<br/> <br/> public  function
BaseSocketEvent(type:String, data:Object = null ) {<br/>
super (type, true );<br/> this ._data = data; <br/>
}<br/> <br/> public  function get data():Object {<br/>
return  _data;<br/> }<br/> <br/> override public
function toString():String {<br/> return
formatToString("BaseSocketEvent" , "type" , "bubbles" , "cancelable" ,
"data" );<br/> }<br/> <br/> override public  function
clone():Event {<br/> return  new  BaseSocketEvent(type,
data);<br/> }<br/> }<br/> <br/>}

/**<br/>* @author Kinglong<br/>* @link [email protected]<br/>* @builddate 20081121<br/>* @flashplayerversion 9+<br/>* @version 0.1<br/>*/<br/><br/>package com.klstudio.socket {<br/> <br/> import flash.events.*;<br/><br/> public class BaseSocketEvent extends Event {<br/> <br/> public static const SECURITY_ERROR:String = SecurityErrorEvent.SECURITY_ERROR;<br/> public static const IO_ERROR:String = IOErrorEvent.IO_ERROR;<br/> public static const DECODE_ERROR:String = "decode_error";<br/> public static const RECEIVED:String = "received";<br/> public static const SENDING:String = "sending";<br/> public static const CLOSE:String = Event.CLOSE;<br/> public static const CONNECT:String = Event.CONNECT;<br/> <br/> private var _data:Object;<br/> <br/> public function BaseSocketEvent(type:String, data:Object = null) {<br/> super(type, true);<br/> this._data = data; <br/> }<br/> <br/> public function get data():Object {<br/> return _data;<br/> }<br/> <br/> override public function toString():String {<br/> return formatToString("BaseSocketEvent", "type", "bubbles", "cancelable", "data");<br/> }<br/> <br/> override public function clone():Event {<br/> return new BaseSocketEvent(type, data);<br/> }<br/> }<br/> <br/>}

调用实例

/**
* ...
* @author Kinglong
* @version 0.1
*/

package  project.test {

    import  flash.display.*;
    import  flash.events.*;
    import  flash.text.TextField;

    import  com.klstudio.data.Map;
    import  com.klstudio.socket.BaseSocket;
    import  com.klstudio.socket.BaseSocketEvent;

    public  class  TestGame extends  Sprite {
        private  var _socket:BaseSocket;
        private  var _id:uint;
        private  var _lists:Map;
        private  var _info:TextField;
        public  function TestGame() {
            _info = new  TextField();
            _info.selectable = false ;
            _info.text = "未连接" ;
            addChild(_info);

            stage.addEventListener(MouseEvent.MOUSE_UP, stageHandler);
            _lists = new  Map();
            _socket = new  BaseSocket("localhost" , 110 );
            configureListeners(_socket);
            _socket.connect();
        }

        private  function configureListeners(dispatcher:IEventDispatcher):void  {
            dispatcher.addEventListener(BaseSocketEvent.CLOSE, handler);
            dispatcher.addEventListener(BaseSocketEvent.CONNECT, handler);
            dispatcher.addEventListener(BaseSocketEvent.IO_ERROR, handler);
            dispatcher.addEventListener(BaseSocketEvent.SECURITY_ERROR, handler);
            dispatcher.addEventListener(BaseSocketEvent.SENDING, handler);
            dispatcher.addEventListener(BaseSocketEvent.RECEIVED, handler);
            dispatcher.addEventListener(BaseSocketEvent.DECODE_ERROR, handler);
        }

        private  function handler(event:BaseSocketEvent):void  {
            switch (event.type) {
                case  BaseSocketEvent.RECEIVED:
                    receive(event.data);
                    break ;
                case  BaseSocketEvent.CLOSE:
                    debug("连接关闭" );
                    removeAll();
                    break ;
                case  BaseSocketEvent.CONNECT:
                    debug("连接中..." );
                    _socket.send( { event:"init"  } );
                    break ;
                case  BaseSocketEvent.IO_ERROR:
                case  BaseSocketEvent.SECURITY_ERROR:
                    debug("连接失败" );
                    break ;
                case  BaseSocketEvent.DECODE_ERROR:
                    debug("解码失败" );
                    break ;
            }
        }

        private  function stageHandler(event:MouseEvent):void  {
            _socket.send( { event:"move" , x:this .mouseX, y:this .mouseY } );
        }

        private  function receive(object:Object):void  {
            switch (object.event) {
                case  "init" :
                    init(object.id);
                    for  (var i:uint = 0 ; i < object.list.length; i++ ) {
                        var item:Object = object.list[i];
                        add(item.id, item.x, item.y);
                    }
                    break ;
                case  "move" :
                    move(object.id, object.x, object.y);
                    break ;
                case  "remove" :
                    remove(object.id);
                    break ;
                case  "add" :
                    add(object.id);
                    break ;
            }
        }

        private  function init(id:uint):void  {
            this ._id = id;
            add(id);
        }

        private  function add(id:uint, x:Number = undefined, y:Number = undefined):void  {
            x = x || stage.stageWidth / 2 ;
            y = y || stage.stageHeight / 2 ;
            if  (_lists.containsKey(id)) {
                return ;
            }
            var role:GameRole = new  GameRole(id,_id == id);
            role.move(x,y);
            addChild(role);
            _lists.put(id, role);
        }

        private  function move(id:uint, x:Number, y:Number):void  {
            if  (_lists.containsKey(id)) {
                var role:GameRole = _lists.get(id);
                role.to(x, y);
            }
        }

        private  function remove(id:uint):void  {
            if  (_lists.containsKey(id)) {
                var role:GameRole = _lists.remove(id);
                trace(role);
                if  (this .contains(role)) {
                    removeChild(role);
                }
                role = null ;
            }
        }

        private  function removeAll():void  {
            var keys:Array = _lists.keys;
            for  (var i:uint = 0 ; i < keys.length; i++ ) {
                var role:GameRole = _lists.remove(keys[i]);
                if  (this .contains(role)) {
                    removeChild(role);
                }
                role = null ;
            }
        }

        private  function debug(msg:String):void  {
            _info.text = msg;
            trace(msg);
        }

    }

}

/**<br/>*
...<br/>* @author Kinglong<br/>* @version
0.1<br/>*/ <br/><br/>package  project.test {<br/>
<br/> import  flash.display.*;<br/> import
flash.events.*;<br/> import  flash.text.TextField;<br/>
<br/> import  com.klstudio.data.Map;<br/> import
com.klstudio.socket.BaseSocket;<br/> import
com.klstudio.socket.BaseSocketEvent;<br/> <br/> public
class  TestGame extends  Sprite { <br/> private  var
_socket:BaseSocket;<br/> private  var _id:uint;<br/> private
var _lists:Map;<br/> private  var _info:TextField;<br/>
public  function TestGame() { <br/> _info = new
TextField();<br/> _info.selectable = false ; <br/>
_info.text = "未连接" ;<br/> addChild(_info); <br/> <br/>
stage.addEventListener(MouseEvent.MOUSE_UP, stageHandler); <br/>
_lists = new  Map();<br/> _socket = new  BaseSocket("localhost" ,
110 );<br/> configureListeners(_socket);<br/>
_socket.connect(); <br/> } <br/> <br/> private
function configureListeners(dispatcher:IEventDispatcher):void
{<br/> dispatcher.addEventListener(BaseSocketEvent.CLOSE,
handler);<br/>
dispatcher.addEventListener(BaseSocketEvent.CONNECT,
handler);<br/>
dispatcher.addEventListener(BaseSocketEvent.IO_ERROR,
handler);<br/>
dispatcher.addEventListener(BaseSocketEvent.SECURITY_ERROR,
handler);<br/>
dispatcher.addEventListener(BaseSocketEvent.SENDING,
handler);<br/>
dispatcher.addEventListener(BaseSocketEvent.RECEIVED,
handler);<br/>
dispatcher.addEventListener(BaseSocketEvent.DECODE_ERROR,
handler);<br/> }<br/> <br/> private  function
handler(event:BaseSocketEvent):void  {<br/> switch (event.type)
{<br/> case  BaseSocketEvent.RECEIVED:<br/>
receive(event.data);<br/> break ;<br/> case
BaseSocketEvent.CLOSE:<br/> debug("连接关闭" );<br/>
removeAll();<br/> break ;<br/> case
BaseSocketEvent.CONNECT:<br/> debug("连接中..." );<br/>
_socket.send( { event:"init"  } );<br/> break ;<br/> case
BaseSocketEvent.IO_ERROR:<br/> case
BaseSocketEvent.SECURITY_ERROR:<br/> debug("连接失败" );<br/>
break ;<br/> case  BaseSocketEvent.DECODE_ERROR:<br/>
debug("解码失败" );<br/> break ; <br/> }<br/> }<br/>
<br/> private  function stageHandler(event:MouseEvent):void
{<br/> _socket.send( { event:"move" , x:this .mouseX, y:this .mouseY
} );<br/> }<br/> <br/> private  function
receive(object:Object):void  {<br/> switch (object.event)
{<br/> case  "init" :<br/> init(object.id);<br/> for
(var i:uint = 0 ; i < object.list.length; i++ ) {<br/> var
item:Object = object.list[i];<br/> add(item.id, item.x,
item.y);<br/> }<br/> break ;<br/> case
"move" :<br/> move(object.id, object.x, object.y); <br/>
break ;<br/> case  "remove" :<br/> remove(object.id);
<br/> break ;<br/> case  "add" :<br/>
add(object.id);<br/> break ;<br/> }<br/> }<br/>
<br/> private  function init(id:uint):void  {<br/> this ._id =
id;<br/> add(id);<br/> }<br/> <br/> private
function add(id:uint, x:Number = undefined, y:Number = undefined):void
{ <br/> x = x || stage.stageWidth / 2 ;<br/> y = y ||
stage.stageHeight / 2 ;<br/> if  (_lists.containsKey(id))
{<br/> return ;<br/> }<br/> var role:GameRole = new
GameRole(id,_id == id);<br/> role.move(x,y);<br/>
addChild(role);<br/> _lists.put(id, role);<br/>
}<br/> <br/> private  function move(id:uint, x:Number,
y:Number):void  {<br/> if  (_lists.containsKey(id)) {<br/>
var role:GameRole = _lists.get(id);<br/> role.to(x,
y);<br/> }<br/> }<br/> <br/> private  function
remove(id:uint):void  {<br/> if  (_lists.containsKey(id))
{<br/> var role:GameRole = _lists.remove(id);<br/>
trace(role);<br/> if  (this .contains(role)) {<br/>
removeChild(role); <br/> }<br/> role = null ;<br/>
}<br/> }<br/> <br/> private  function removeAll():void
{<br/> var keys:Array = _lists.keys;<br/> for  (var i:uint =
0 ; i < keys.length; i++ ) {<br/> var role:GameRole =
_lists.remove(keys[i]); <br/> if  (this .contains(role))
{<br/> removeChild(role);<br/> }<br/> role = null ;
<br/> }<br/> }<br/> <br/> private  function
debug(msg:String):void  {<br/> _info.text = msg;<br/>
trace(msg);<br/> }<br/> <br/> }<br/>
<br/>}