Difficulty trying to load image via binary socket and then display on stage

programming flash
1

Hi all,

Hopefully someone can help. I’m trying to connect to a Java socket server on another pc on my network via a binary socket in AS3. I would like to be able to download an image from the java server and display it in a Flash CS3 movie. I have managed so far to get the socket to connect to my java server and download the raw byte data of the image.

What I am struggling with is getting the AS3 script to know that it is the end of the file and then display the image in the stage. I know that there is an Event.COMPLETE event for URL Loaders, but do not know how to implement this for a binary socket. You will see from my code that I have tried to send a byte array of “FIN” when the image has finished sending, but cannot get the client to recognise this. Anyone any ideas?

Here is my code so far:

 
var s:Socket = new Socket("PHOENIX", 31742);
var imgData:ByteArray = new ByteArray();
var imgStream:URLStream = new URLStream();
var loader:Loader = new Loader() ;
s.addEventListener( ProgressEvent.SOCKET_DATA , imageStreamProgress );
 s.writeUTF("file");
 s.flush();
 trace("file requested");
function imageStreamProgress( event:Event ):void
{
 // if there are no bytes do nothing
 if( s.bytesAvailable == 0 ) return
 
 // ooo bytes process the image data
 trace(s.bytesAvailable);
 this.processImageData();
}
function imageStreamComplete():void
{
 // if connected, stop that.
 if ( s.connected ) s.close();
 
 // lets refresh the displayList after rendering cycle
 //imageCanvas.callLater( this.processImageData );
 trace("FIN");
 trace(s.bytesAvailable);
}
function processImageData():void
{
 // if connected, read all the bytes that have been loaded into the aggregate bytearray
 if ( s.connected ) s.readBytes( imgData , imgData.length );
 
 var test:String = imgData.toString();
 
 trace (test);
 
 if (test.indexOf("FIN") != 0) {
 
 // clean out all the crud in that loader
 loader.unload();
 
 //push the aggregate bytearray of loaded image data in there.
 loader.loadBytes( imgData );   
 } else { 
    imageStreamComplete();
 }
}