I created a media server with 'Adobe Media Server Starter 5' on localhost and I am able to connect to it via an AS3 AIR Application. I can see the connection from my Application called 'SimpleServer' in the 'Adobe Media Server Administration Console' and I get a positive feedback about the connection:
Accepted a connection from IP:127.0.0.1, referrer: app:/SimpleServer.swf, pageurl:
I neither get a compile time nor a runtime error when trying to create a new SharedObject, I get no feedback at all. I am using the following code:
var shared:SharedObject = SharedObject.getRemote("HelloWorld", "rtmp://localhost/SimpleServer");
shared.addEventListener(SyncEvent.SYNC, syncEventHandler);
shared.connect(nc);
The NetConnection is created as followed:
nc = new NetConnection();
nc.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
nc.connect("rtmp://localhost/SimpleServer");
nc.client = this;
I cannot see a SharedObject in 'View Applications' -> 'Shared Objects' and I get no feedback about the creation. It is like the object has never been created. I also tried to set properties on the SharedObject, with no effect:
shared.setProperty("test", false);
Is there a simple solution to this problem or do I have to configure advanced server stuff? Thank you in advance!
As Sunil asked in the comments, is syncEventHandler ever called when you run your code?
To partially answer your questions: No you don't need any specific server-side configuration to be able to retrieve a SharedObject on the client side. Simply make sure your connected to the server before performing any attempt at getting/connecting to a remote shared object.
See this answer for some more informations
Besides, a good practive when attempting to get a remote shared object is also to use the uri from your NetConnection instance:
var shared:SharedObject = SharedObject.getRemote("HelloWorld", nc.uri);
Related
I am trying to send a live stream from FMLE to a CDN, but passing through our FMS (installed locally); so the chain I have is:
FMLE => FMS => CDN
Now, publishing to the CDN is username/password protected. If I try to connect directly from FMLE to the CDN, FMLE opens a layer asking for credentials to "Connect to FMS" - I fill the form with username and password provided by the CDN, click on OK, and everithing works fine.
The problem comes when introducing the FMS: I created a simple application in FMS to republish the stream (simplified code below), and it works fine for CDN that don't ask for username/password, but I'm not able to figure out how to send credentials from the FMS application to the CDN.
Here the code I'm using (it's simplified, I'm putting here only the core code):
application.onPublish = function (oClient, oStream)
{
application.nc = new NetConnection (); // Creating new NetConnection
application.nc.connect (FMS_url); // Connecting to CDN
application.ns = new NetStream (application.nc); // Creating new NetStream
application.ns.setBufferTime (1); // Setting buffer time
application.ns.attach (oStream); // Attaching incoming streaming
application.ns.publish ("stream_name", "live"); // Publishing
}
More info:
We do need to pass through FMS, so "why don't you stream directly to the CDN ?" is not an option :-)
FMS URL and credentials are correct, it's not any typing error :-(
After application.nc.connect(), the onStatus event is fired with NetConnection.Connect.Success, but inmediately after that it is fired again with NetConnection.Connect.Closed (without any other info).
Following suggestions found on the web, I tryed things like
application.nc.connect (FMS_url);
or
application.nc.connect (FMS_url + "?username&password");
or adding
application.nc.addHeader ("Credentials", false, { userid: "username", password: "password" });
... but nothing seems to work, the result is always the same.
Any suggestion ? :-) Thank you in advance, best regards
Let me introduce my problem step by step:
I was using a socket connection on the address www.mydomain.com:1925 to provide a chat service for my users. When I moved to cloudflare, I could not connect to port 1925 directly because of the fact that my requests were reaching my origin server over cloudflare and the port was changing.
How did I solve it?
I created a subdomain chat.mydomain.com whose DNS settings point to my origin server not cloudflare. I bypassed cloudflare by this way and I connected my chat service by using chat.mydomain.com:1925 on the browser. So far so good.
Here is the problem.
I am also using Flash and AS3. It is the core of my game on the site. Chat is working on html and my game in flash is in some part of my website. In flash, I was sending scores of players using again a socket connection on www.mydomain.com:1925 by a different namespace.(Since swf's host and url's host matched, I didn't have any problem I think).Since I have changed the domain to chat.mydomain.com:1925, Flash started to request a crossdomain.xml on chat.mydomain.com:1925. There is a crossdomain.xml file on chat.mydomain.com however I cannot serve it from chat.mydomain.com:1925. Here is my code:
Security.loadPolicyFile("https://chat.mydomain.com/crossdomain.xml");
var urlLoader:URLLoader = new URLLoader ();
var url:String = "https://chat.mydomain.com:1925/socket.io/1/";
var request:URLRequest = new URLRequest(url);
request.method = URLRequestMethod.POST;
urlLoader.dataFormat = URLLoaderDataFormat.TEXT;
urlLoader.addEventListener(Event.COMPLETE, completeHandler);
urlLoader.addEventListener(IOErrorEvent.IO_ERROR,ioErrorHandler);
urlLoader.load(request);
Since flash cannot find crossdomain.xml by getting 404, the requests in my code do not work. How can I solve this problem?
I have solved the problem. The URLRequest was trying to connect https://chat.example.com:1925/socket.io/1/. Since the swf was on the domain https://www.example.com, the swf was asking for https://chat.example.com:1925/crossdomain.xml. The port did not understand the https since it was used for my websocket. So I could not find any way to call this request in the swf. Then, I came up with an idea that I can call this url outside of the swf. Since I needed only handshakeid, I called this function via javascript. After getting the response, I loaded my swf by giving the handshakeid as an argument. That has solved my problem. For ones who need to call a function like this dynamically, they can use ExternalInterface calls. I hope it helps.
I have built a complex AIR application which has been successfully running for quite some time of many PCs. Unfortunately, I have a plaguing problem with internet connectivity and I was wondering if anyone had encountered this issue before.
Every once in a while, the program will completely stop talking to the internet (all services start faulting). I wrote special code in my program to monitor the situation in which I use two different services to contact the same server.
The first service:
var req:URLRequest = new URLRequest("myURL.com");
this.urlMonitor = new URLMonitor(req, [200, 304]); // Acceptable status codes
this.urlMonitor.pollInterval = 60 * 1000; // Every minute
this.urlMonitor.addEventListener(StatusEvent.STATUS, onStatusChange);
this.urlMonitor.start();
private function onStatusChange(e:StatusEvent):void
{
if (this.urlMonitor.available)
{
pollStatusOnline = true;
Online = true;
}
else
{
pollStatusOnline = false;
Online = false;
}
}
The secondary method is a normal HTTP Service call:
checkInService = new HTTPService();
checkInService.method = "POST";
checkInService.addEventListener(ResultEvent.RESULT,sendResult);
checkInService.addEventListener(FaultEvent.FAULT, faultResult);
checkInService.addEventListener(InvokeEvent.INVOKE, invokeAttempt);
checkInService.url = "myURL.com";
checkInService.concurrency = Concurrency.LAST;
checkInService.send(params);
These two services point to the same location and work 98% of the time. Sometimes, after a few hours, I have noticed that both services no longer can connect to the website. The HTTP Service returns a StatusCode 0. I am able to open command prompt and ping the server directly with no problem from the PC which is failing. The services will not function again until the program is restarted.
I have been working on this issue for many months now without resolution. If anyone is able to even point me in a somewhat possible, maybe this might be the problem, possibly, direction, I would really appreciate it.
Thank you in advance.
Check the code value of the StatusEvent you receive from the URLMonitor - this might give more info than the HTTPService (you might also want to try passing a null value to URLMonitor constructor, to widen the acceptable status codes).
If you have access to the server(s?) in question, check their logs. Could the server config have changed such that it might now consider such frequent requests as flooding?
You should also be able to use an HTTP debugger like Fiddler or Charles on the client machine to see more information about the requests going out of your application.
I have created a Jar that I want to fill with fireflies, depending on how many users are online.
I did a little digging and I found how to create a XMLSocket. It worked but I didn't know how to get the information how many people are online and also it required a CMD window to run all the time.
The second way I found was trough a PHP,MYSQL witch I have runing with my Apache server, but the tutorials and scripts I found did not work for me, for example. I did not create the required tables.
My question is what is the simplest way to find the current count of users online on your page/flash file? Is there a quick way to do it inside flash and not get involved with MYSQL or PHP?
No, there is not a simple way to only do it in Flash without using any external part (PHP, MySQL, Java, and more...). Remember that Flash is run locally, and thus needs to interact with PHP or similar to interact with the server to tell the server about the activity by the user and to ask the server about other users activities (number of users online).
If you only want to display the users online, I recommend the way that is shown in the example you posted. Simply update the database when activity has been seen by a user and count the user as offline when no activity has been seen for x minutes. There's no need to involve XMLSockets for this unless you want the users to interact with each other in any way.
If you want more than just displaying the users online, I recommend using XMLSockets in ActionScript and looking into PHP Sockets.
i dont think so, the flash player must need a way to "check" on the server the number of users who are online. the simplest would be to send a URLRequest (i hope i got the class name right) to a server script, which could be either a php or an aspx (or any server technology) script / page.
that server script should return the number of users the site has.
e.g.
var numberOfVisitors:Int = 0;
function onLoaded(e:Event):void {
numberOfVisitors = e.target.data;
// now print this 'numberOfVisitors' where you want to on the client
}
var numVisitors:URLLoader = new URLLoader();
numVisitors.addEventListener(Event.COMPLETE, onLoaded);
numVisitors.load(new URLRequest("num_users.php"));
the next part would be a php script (or any other server script) that keeps track of the number of users. that i think you should post as another SO question perhaps?
I got it to work, but I hat to link the php file not trough it's HTTP address, instead just the path relative to the .swf file (just myFile.php or path/myFile.php).
AS3 file:
NewRequest = new URLRequest("numOnline.php");
var numberOfVisitors:int = 10;
var NewRequest:URLRequest;
var UrlLoader:URLLoader;
UrlLoader = new URLLoader();
UrlLoader.dataFormat = URLLoaderDataFormat.TEXT;
UrlLoader.addEventListener(Event.COMPLETE, onLoaded);
UrlLoader.load(NewRequest);
function onLoaded(e:Event):void {
trace(e.target.data);
numberOfVisitors = int(e.target.data);
}
I convert the text As3 receives to int, because i don't know yet how to send veria
php files
main PHP file (the file that as3 connects to):
<?php
include_once 'config.php'; //This file would contain the variables needed to connect to the database with $link, below
include_once 'functions.php'; //We include the functions we have created
$database = "online";
$link = mysql_connect($server, $db_user, $db_pass)or die ("Could not connect to mysql because ".mysql_error());
mysql_select_db($database)or die ("Could not select database because ".mysql_error());
usersOnline(5); //We call the usersOnline function with a time span of 5 minutes
showUsersOnline(1); //Show the number of users online, and the list of users
mysql_close($link);
?>
the function file sends the number of Visiters Online with echo $count;
Yes, you can do it without a database (MYSQL) and PHP; BUT you will still need a (Media) Server.
I wouldn't suggest the following if your "only" purpose is to count the connecting clients, but if you have the reasons and have access to a Flash Media Server, you can try the following:
On Server Side:
Create an application (folder) on FMS, create the main.asc file inside that folder.
Inside the main.asc; create a (remote) SharedObject (server-side) (e.g.: users_so)
Watch for connecting clients on application.onConnect event. Add each connecting client to that SharedObject inside this handler.
Also watch for disconnecting clients on application.onDisconnect event. Remove each disconnecting client from the SharedObject inside this handler.
On Client Side:
Connect each Flash client to FMS (with your new app-folder path in the URI) when the application loads in the browser.
Watch for the NetStatusEvent.NET_STATUS event and "NetConnection.Connect.Success" code. When connected; create a SharedObject (client-side) and get the remote from the server.
Add the SyncEvent.SYNC event listener to the SharedObject. This will sync with each Flash client when a user connects or disconnects from the server.
Inside the sync event handler, get and count the users from the event response.
Display the count on your Flash client.
See Server-Side ActionScript Language Reference for Flash Media Server 4.5, especially the Application Class.
Also useful: Flash Media Server Developer Center
Hope this helps.
I'm looking at writing an app with Adobe AIR, but I wanted to figure out if this is feasible with the platform first. (Mostly new to Flash and AIR)
What I would like to do is know ahead of time what local port a URLRequest will be using. If possible, I would like to hold a connection open even and keep using the same socket.
What I'm basically trying to accomplish is doing some NAT-Traversal and port negotiation ahead of time. Once I have both the client and the server negotiated, I'd like them to connect and basically use HTTP in a peer-to-peer way to stream media, like this sample:
var s = new air.Sound();
var url = "http://www.example.com/sounds/bigSound.mp3";
var req = new air.URLRequest(url);
var context = new air.SoundLoaderContext(8000, true);
s.load(req, context);
s.play();
The problem is that I don't see this happening unless I can get some information from AIR on what ports it's planning to use. I would be OK with creating my own Socket connections to the server and using them, but I would need a way to leverage the Sound framework to stream in the same way from a socket.
Ideas? Thoughts? Thanks!
Even if you managed to guess which port AIR is going to use on your device, it is not going to be very helpful, since there is a reasonably high probability that your NAT will translate it to another value IF your AIR device has a private IP address.
This issue does not happen if your AIR server has a public IP address. Most often, you can configure the server's NAT/Router to forward traffic as is. A port scan from the WAN will quickly tell you which port is used.
If you want to 'hijack' an outbound connection created by AIR itself, then you might try to have it contact a special server peer you have implemented which will forward traffic from and to it. Not simple, but possible. Basically you would collect holes punched in the NAT by the server.