Java :: Are Socket's Events Queued In Flash?
Dec 1, 2009
I'm trying to implement a binary protocol between a flash application and a Custom Java Server using TCP/IP sockets, the protocol's messages are of variable length, so my idea is to add a field indicating the number of bytes I have to read before parsing a complete message, something like this:[code]if while processing a message (supossing it is complete) other data arrives through the socket, are messages of type ProgressEvent.SOCKET_DATA queued so the number of times my handler is called is equal (at least in this case) to the number of messages arrived or should I read until all data the socket has available? or simpler: are in general messages for a handler queued in flash?
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Sep 19, 2011
I'm running into a problem while running both a Flash socket and using Ajax to load pages. Both work fine separately. I am able to browse my site using the Ajax calls, or I am able to send/receive messages through the socket. However, when the socket is connected for some reason the Ajax calls start to seemingly be put into a queue and never actually finish until I stop the socket.
If I disconnect from the socket, or close the socket on the server side, then the Ajax call immediately finishes and loads the page. The Ajax call never times out, it just waits forever, right up until I close the socket connection. In JavaScript, I'm using jQuery's $.getJSON() function to load the pages (which I thought were asynchronous calls). In Flash I'm using the basic ActionScript 3 Socket class:
[Code]...
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May 18, 2011
In what situations should i use Socket class or XMLSocket when trying to connect from Flex to a Java Server that is going to listen to a port?
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Oct 22, 2011
I'm writing socket server in java for my flash browser based game and i need to connect to mysql database. Is it possible to connect to mysql through socket server and send received data to connected flash clients?
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May 17, 2011
I want my flash movie to respond to rollover type events for links on my website. The idea being that the flash movie will provide descriptions of the links when moused over, but if the user doesn't have flash the functionality isn't lost. What's the best way to do this (if it's possible)?
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May 12, 2011
I read through the method to connect to a socket server : [URL]. I wrote an AIR application to connect to the java server code, but the client cannot connect. What is missing in the code?
<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="[URL]"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" backgroundColor="#D5F8C3">
[Code] .....
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May 18, 2011
I'm currently trying to communicate between java and flex by using sockets and AMF serialized objects.
On the java side I use Amf3Input and Amf3Output from BlazeDS (flex-messaging-common.jar and flex-messaging-core.jar).
The connection is correctly established, and if i try to send object from flex to java, i can easily read objects :
FLEX side :
protected function button2_clickHandler(event:MouseEvent):void
{
var tmp:FlexAck = new FlexAck;
tmp.id="123456789123456789123456789";
[Code]....
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May 19, 2011
I have a Flex AIR app, and i am trying to get data from a Java Server. Can some one tell me if this approach will work?
Start a ServerSocket in Java and wait for a connection. Use Flex to connect to the same port. Write some data to the socket from Java Server. Read the data at the Flex end and process it.
I think i am able to get this working, but the data that i read back at Flex end seems to be empty.
My server code is :
socket = new ServerSocket(port);
client = socket.accept();
InetAddress address = client.getInetAddress();
[Code].....
My current problem is socket.bytesAvailable becoming 0 and therefore obj is coming up as "". So how to read data sent from the server using a Socket in Flex?
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May 17, 2010
I'm trying to evaluate whether Flex can access binary sockets. Seems that there's a class calles Socket (flex.net package). The requirement is that Flex will connect to a server serving binary data. It will then subscribe to data and receive the feed which it will interpret and display as a chart. I've never worked with Flex, my experience lies with Java, so everything is new to me. So I'm trying to quickly set something simple up. The Java server expects the following:
DataInputStream in = .....
byte cmd = in.readByte();
int size = in.readByte();
byte[] buf = new byte[size];
in.readFully(buf);
[Code] .....
After that - EOFException happens on the server and that's it. So the question is, am I approaching whole streaming data issue wrong when it comes to Flex? Am I sending the policy file wrong? Unfortunately, I can't seem to find a good solid example of how to do it. It seems to me that Flex can do binary Client-Server application, but I personally lack some basic knowledge when doing it. I'm using Flex 3.5 in IntelliJ IDEA IDE.
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Aug 20, 2010
I am writing a online game with flex and java server and I have a big problem. In normal case, my game run smoothly but some time the clients can't receive the command from server. I found that if server send message too fast or client is doing something when server send message, the game client can't detect for a new message so my game is freeze. I only tested with 4 clients and I don't know what happen when thousands clients online in the same time. So terrible :(. In the game client, I use one EventDispatcher class to dispatch any command from the server. Do you have any solution to warranty that client must receive any message from server when the connection is still alive or server must know if client received the message or not. I use flex 3 with Socket (binary) and Java QuickServer.
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Apr 2, 2012
I'm trying to create an app that multiple users would log into a server hosted over the local network. When testing the app in Flash Builder it connects, but when I run it on my phone it does not. I'm using XMLSocket like so:
[Code]....
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Apr 27, 2010
i got a problem with 'Security error',it happens when i try to connect my XMLSocket (Flex) with my Socket (Java)i have a domain:
alucardeck.mine.nu
i startup my apache tomcat 6.0 and in ROOT folder i have:
policyFile.xml and crossdomain.xml
(i had a doubt about what is the correct filename so i created both)both files contains:
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<allow-access-from domain="*" />
</cross-domain-policy>
well, yes, you can access using the default port 80, as it should be.(but probably my server will be down when u try to access it)so here is what i do: i run my Java server application.there i open 1 socket in port 19809.(i already tried with port 843 too) then, i run my Flex application: [URL]also i tried to run it in ROOT folder..the XMLSocket class is instanced like this:
xmlsock = new XMLSocket();
// add all listeners
Security.loadPolicyFile("http://alucardeck.mine.nu/crossdomain.xml");
// also tried "xmlsocket://alucardeck.m....
[code]....
i also notice when i start my Java Server application with 2 sockets listening ports: 843 and 19809, i notice Flex first try to connect to 843 and then 19809, and in both sockets i reply with that String from before.
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Dec 7, 2010
given a flash application that opens a socket connection to a webserver, is it possible to reads packets exchanged with a java application, without redirect all the flash traffic ( that is, without programming a socket proxy)?
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Sep 18, 2011
I'm writing a SWF that I'd like to communicate with a Java process via Sockets. This is usually quite easy with standard Sockets, but for some reason the events described in the Socket documentation aren't firing when all signs say they should be.
On the Java side, I've set up a ServerSocket that's listening on port 8080. Using netcat I've confirmed it works as designed.[code]...
When I run the resulting SWF, all I get is "Called connect!" on the stage, and none of the events ever fire. Even more strangely, when I investigate the communication from the ServerSocket on the Java end, it receives and accepts a connection. When I close the SWF the code calling my Server completes as normal -- meaning it was hanging on a connection made with my SWF.
I'm left with a few questions...
With the exception of the event handlers, this is the end of control for my code (after the connection is established, we just wait for events and render them appropriately). Could the entire program be "terminating," and I'm just misunderstood about the Runtime model?Are there visibilty/naming requirements for the callbacks for them to be called? They're all public, but could it be that the Runtime isn't seeing them?Are there any gotchas with AS3 Socket programming? I kept thinking this was an issue of sandboxing, etc., but the SECURITY_ERROR didn't fire either.
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Oct 26, 2011
I'm sending through a socket from java to flex client some data and the flex side can't seem to handle it right. In the java i'm looping over 8 objects and for each object I create a long string 1:lsls:2:3:justexample then the java does writeToSocket("1:lsls:2:3:justexample") for every iteration of the loop. But in the client side, it seems that only 2 out of the 8 arrived. what can be the problem?
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Mar 8, 2012
I'm extending XMLSocket to work with a daemon, written in Java, that a peer is using to interface with his PLC controller.What I should be seeing from the daemon is simple digital io info in the form:
Code:
d0i,d0o,
Which represents a 'button' dowm/up. The strings are terminated with commas to make it easier for me to parse them. I've got my XMLSocket working just fine, but I'm receiving the data more like this:
Code:
socketDataHandler:
socketDataHandler: D
socketDataHandler: 4
[code]....
So, there's a null character, followed by individual chars that make up the message I'm expecting, only last "," is truncated. It does come through on the next dataEvent:
Code:
socketDataHandler: ,
socketDataHandler: D;
socketDataHandler: 4;
socketDataHandler: O;
Lastly, I checked raw data in a shell, and it looks like:
Code:
0000000: 0044 0034 0049 002c 0044 0034 004f 002c
0000010: 0044 0034 0049 002c 0044 0034 004f 002c
When dumped to hex. It is my understanding (mostly from a sdocs) that Each XML message is a complete XML document, terminated by a zero (0) byte.I can see that he's sending each CHAR separated by a 00 byte, but they are prepended, not appended like:
Code:
0000000: 44 00 34 00 49 00 2c 00 44 00 34 00 4f 00 2c 00
0000010: 44 00 34 00 49 00 2c 00 44 00 34 00 4f 00 2c 00
or even better:
Code:
0000000: 44 34 49 2c 44 34 4f 2c 00
0000010: 44 34 49 2c 44 34 4f 2c 00
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Jul 13, 2010
We are in the middle to evaluate the technology choice to re-design an operator console application. The operator console as a hosted contact center has the abilities to queue the inactive calls, and hold, answer, transfer the active calls.
The legacy operator console used Java Swing. We want to use the latest RIA technology (Flex/Silverlight) to retire the legacy one. But the question is Flex/Silverlight can implement the functions like hold, transfer the calls? Based on my experiences, Flex can listen Java socket to receive XML data? Does it work well to receive voice data?
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May 19, 2011
i want to know how to send data using the AMF format from my flex AIR project to a socket written in Java. I am getting CorruptedStreamException when sending data using writeUTFBytes() methods. Has anyone experienced similar problems? Also can AMF be used only if i am using LCDS only?
private SimpleServer(int port)
{
System.out.println(">> Starting SimpleServer on port " + port);
[code].....
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May 19, 2011
Ok, basically my Flex app will open up a socket and listen on it. My java program will write some string to this port.
My AS3 code is
private function onRecvClick():void
{
var host:String = "localhost";
[Code]....
While trying to write to the socket, i am getting this java.net.ConnectException: Connection refused: connect. Funny thing is that the socket in Flex doesn't seem to dispatch any events, is it normal for that to happen?
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Jun 25, 2006
I'm new here, so maybe i'm posting in the wrong channel. Please tell me if it is the case. I'm trying to get a simple client socket class to work with events. I have tried each example found with google with no luck, i just tried the "radio listeners" example from here, which worked fine until i put the broadcaster object within my class.
[Code]...
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Dec 30, 2011
how to make a policy file for a socket server made on java with a client made on as2.
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Oct 11, 2010
i've created a socket extension class. the pseudo code below tries to make a socket connection using the passed parameters. if there is an security error, such as the port number not being an acceptable port number, i want to handle the security error.
however, i can't catch the security error. a popup window appears with a description of the error and my errorHandler function is never called.
[Code]...
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Dec 16, 2010
It seems more efficient to store events on the dispatcher if they're never going to change. Isn't creating them costly? Is there some kind of information I'm losing if I dispatch an already-stored event?
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Jun 27, 2009
I am working on an flash application that requires that all user interaction are stored in a database. The application will have thousands of lessons and needs to keep track of how long each user views lessons and scenes with in the lessons.
I would like to come up with a good solution on how to accomplish this with out having to send a call to a serve side object every few seconds. I could store the data in an as3 object and pass it when the user finishes a scene or exits out of a scene. However this would not work when a user just closes the browser. Maybe I could tie in some JavaScript.
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Nov 19, 2011
When I send number (int)52 s.Send(BitConverter.GetBytes((int)872415232));, flash show me trace(socket.readInt()); 872415232 If i send 872415232, flash show 52.Why? And how it fix?
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Aug 9, 2011
I have a client-server multigame suite for PC ("kind of" cross-platform using cygwin), which is developed in Java(game menus and database management), C++ (server side), and adobe Flash (game graphics & interaction).
I have never tried to develop for android, so i have no experience.I am thinking of migrating this suite to google TV. So i would like someone with android experience to give a clue on the following :
1) Is it going to be easy to migrate the Java application to an Android application?
2) What kind of Flash support does Android have? Can it load directly swf applications? Does it have to load swf's through browser?
3) Can i find any kind of performance indexes for google TV hardware?
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Nov 13, 2011
I need to load somehow the html code of a webpage A into a javascript string of another webpage B, on a different host. I know this is impossible to do with javascript alone because of the same origin policy, and I know I could do it loading the page via php on my server and then send results back to the user's client but I wouldn't be able to handle so many requests, so I need it to be done directly by the user's browser. I can use nearly whatever browser scripting language/applet framework common enough to be installed on the majority of my users' computers, like flash and java.On example, what if I use flash or java to load the external html code and then call a javascript callback function providing the source? Could this work?
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Jun 3, 2011
If one doesn't have the source code, the only to test is to send keystroke and mouse move so I found this product but it's not free and opensource price is not even known :([URL] Squish supports automating interactions and testing non-HTML/DOM elements, that is, native objects, which are embedded in a web page. This is done at a fairly abstract level, which means that mouse and text input can be recorded and replayed.
In addition it is possible to inspect embedded native objects with the Spy tool and to insert verifications for these native objects. All of a native object's public properties can be accessed in test scripts.
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Mar 27, 2012
iam making a game and i almost finish except one error i couln.t get it
TypeError: Error #1034: Type Coercion failed: cannot convert flash.events::Event@3738fb79 to flash.events.MouseEvent.
TypeError: Error #1034: Type Coercion failed: cannot convert flash.events::Event@3738fb79 to flash.events.MouseEvent.
[code]....
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Dec 18, 2011
When I placed this AddEventListener I got this "Type Coercion failed message"
addEventListener(Event.ENTER_FRAME,onEnterFrm);
Located above the mouse event:
addEventListener(Event.ENTER_FRAME,onEnterFrm);
[code]....
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