ActionScript 2.0 :: Communicate Through Sockets In Flash Mx?
Jan 21, 2003it may be a stupid question what i'm going to ask, but i'll ask anyway ... just had an idea... is there a way i can comunicate through sockets in flash mx?
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Nov 5, 2009I am not any kind of network programming pro, but it happened that I have faced necessity to develop socket-server on php (no way for using Java) for flash multiplayer browser-game (standard features like locations, team battles, etc).
The main problem is that TCP is point-to-point protocol and it completely occupies given port.Of course it is possible to create some kind of queue, which will manage connections to the socket, but this solution doesn't seems to be the fittest one.
It seems to me that using interval of "fair" ports (from 2000 to 2200, for example) is more fitting solution, because one request may take a lot of time to execute and players won't be happy to wait in queue.
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For example, if we are trying to develop chat application, we need some sort of fixed (I mean persistent) connections for each user. For example, we have 80 users in chat, and then one of them posted a message, which server tries to handle and send to all other connected users, also putting an entry to the history file or something like that.
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In my example below, clientA is trying to send an AMF packet to clientB. The SOCKET_DATA events fire off as expected on the server, in sync with the mouse, however the data that clientB receives very quickly gets out of sync and events are lost.
It's fine if an occasional event gets dropped, however I need to know the most recent SOCKET_DATA event has the latest data. Instead, it just contains increasingly older data.
Code Snippets:
clientA writeObject: (on MOUSE_MOVE to test large number of events)
protected function stage_mouseMoveHandler ( pEvent : MouseEvent ) : void
{
[code]....
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May 20, 2011I have a program in c++ that sends a socket of 23723 bytes to a flash player in one "shot".The flash player sometimes receives two packets of size 17520 and 6203, and other times it receives a single packet of 23723.
EDIT: There does not seem to be a way to obtain the total number of bytes associated with the send data from flash. This would make it very difficult to build a loop to reconstruct the "broken" packet.I thought TCP was supposed to correctly recombine the packets and I am having difficulty recombining them myself.This is my receiving handler in flash:
var socket:Socket = new Socket();
socket.addEventListener(Event.CONNECT, socketConnectHandler);
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will at times print 23723, and at other times, will print 17520 quickly followed by 6203. The total size are just examples and are subject to change for each send sockets. Also many sockets can be sent or received at the same time, so the split packets can be inter-mixed. In c++ I could determine what the total size of the sent data was, even if I did not receive the whole sent data yet.
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Oct 17, 2010I'm bothering with Java-Flash communication. At the beggining, I used XML Socket Class, which was pretty easy to implement and my aplication comunicated very well.However, my program will monitor behavior of many users at the same time, so parsing and sending large xml files could overload Server. Thats why I used Socket class and AMF coding instead. After tough hours of implementing it, whole application seemed to work. Unfortunently, after couple of tests it apeard, that Socket was slower than XML Socket! I have no idea why, because in theory binary messages should be much faster than xml. Could you help me solving this issue? Below I pasted my code for both Java and AS3.
This code sends basic variables from class object and are received the same way (it can sound bit complicated compared to just sending whole object, but for various reasons is the only way).
1. Java client (java server receives data from different sources and sends it to flash):
Code: public void sendMyPosition(MyPositionMessage message, Socket sock) throws IOException
{
synchronized (sock) {[code].....
2. Flash server - new data triggers socketDataHandler which receive it with readReasponse function. First int describes which kind of message was send, although there is only one at the moment. I've deleted some handlers couse they seemd irrelevant this case. Whole AS Class is attached as a file.
Code:
public class CustomSocket extends Socket {
private var currentMessage:int = -1;
private var message:Object = null;[code]................
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Code:
package{
import flash.net.XMLSocket
import flash.display.MovieClip[code]...
The server side php is the attached script (pretty much this http:[url]....So I keep the php running on my server then run the as class, what happens is after a while (presumably the 15 second script limit in as) I get this error:
Error #2044: Unhandled securityError:. text=Error #2048: Security sandbox violation: .../networking.swf cannot load data from website.com:9980.at base()
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Jun 28, 2010This is driving me nuts and because it's a combination of various technologies together I have a hard time tracking the problem. I wrote a tiny HTTP server that serves .flv files; these flv files are encoded on the spot. The flv files are encoded with adobe's screencodec (I started with libflv but that was too buggy so I ended up implementing my own flv encoder). For the problem below it doesn't matter which codec I use or if I serve plain flv files instead of on-the-spot generated ones (the problem also occurs if I just send 12 h264 encoded files).
I also have a swf that I coded in as3. The as3 opens 12 connections to my server and requests 12 different flv's and just displays them as 12 different videos on the page. I tested the setup with Firefox and chrome and am using the latest flash client (version 10). The HTTP server is pseudo streaming those files; e.g. it tells the client the file is of mime type video/x-flv, tells the filesize is 2GB and just starts streaming. For sake of completeness here's a header it generates:
[Code]....
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Jun 28, 2010I'm trying to communicate my flash application with my server. Either the problem is my code is working on Flash Professional, but I have prepared all my interface on Flash Builder which uses Flex 4 -SDK. My code does not work on Flex Project.
[Code]...
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Oct 24, 2010I am trying to make myself a simple metacafe uploader, and I am using the webbrowser to do that. Everything was working great with loggin in, navigating to upload page etc... I used the HtmlElement and setAttribute/Invoke to click and set the text fields:
HtmlElement password = wb.Document.All["sPass"];
assword.SetAttribute("value", this.password);
Now I have a problem. To upload a video to metacafe, you first need to click on a flash button caleld Upload. There, a window appears to select a file, and after you press OK, the upload begins and you can enter the form information. My question is this: How can I enter the video file without seeing a popup window? Knowing that it's flash . Here is how the flash object looks: [URL] Above I copied only the part from the upload page that it's important to me. As you can see, a simple flash file appears. Now I want to simulate the click/enter of file without showing the file window.
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Nov 27, 2010My index.php file loads the Facebook JavaScript SDK and the FBJS bridge:[code]When I run this file on my server, I can communicate with Facebooks JavaScript SDK either indirectly through ExternalInterface calls, launching various Facebook UI dialogs etc. And I can also use the facebook-actionscript-api to launch the same dialogs directly from ActionScript.When I however use this index file as my Facebook canvas url and load the swf in a Facebook iFrame, the communication crashes the application. I'm not sure how to debug this but I think it might have to do with crossdomain security. Any ideas on debugging and/or solutions are welcome.
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