Actionscript 3.0 :: Connecting To A Ftp Server With Binary Socket?
Dec 30, 2008
I'm trying to make a little ftp upload app - not a full FTP client, just something to enable image upload with decent performance. I basically took the approach Lee used in his POP3 socket tutorial. The problem I'm having is that I can connect to the FTP server and I can authenticate and log in but as soon as I try to enter passive mode for data transfer I get nothing- not even an error. From looking at the FTP RFCs, FTP requires two TCP connections - a command connection and a data connection - does this mean that I need to open a second socket for the data transfer? Another possible issue is the Flash Player security policy not allowing conection to ports under 1024 - I have not placed a policy file or policy server on the host running the FTP server but as I can successfully login, I appear to be able to connect to port 21 (standard FTP port) anyway. The code I'm using is:
Code: Select allvar s:Socket = new Socket("ftp.actechnology.co.uk",21);
var ftp_response:String;
s.addEventListener(ProgressEvent.SOCKET_DATA, receiveReply);
s.addEventListener(IOErrorEvent.IO_ERROR, showError);
[Code].....
why passive mode kills it or has successfully connected to a FTP server with the socket class
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Oct 10, 2009
I am working on the web base flash application I am trying to communicate with server through binary socket to the server through IP Address and Port using Action script 3.0 at the server side we are using java. I will like to send binary data string to the server in a clubbed single packet. I dont know the Action Script 3.0 as much.for this We will have to communicate through IP and Port only
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Jan 15, 2009
I am attempting to setup a binary socket connection between flash running on my desktop and a Rabbit RCM3800 Microcontroller providing the server on my home network, which has no file system and has a very basic http server on it. Due to limitations of the microC I cannot run Java/Perl/Python or any other server on it other than setting up a server using its own native Dynamic C language (essentially manually opening and controlling sockets in C). I am able to successfully connect to a socket on port 3333 of the server and transfer information between the server and the .swf file when it is the sandbox type "local-trusted" (while I'm debugging in Flash).
Because of this I'm fairly certain the code to setup the socket between the server and flash works fine. My problem occurs when I try to run the .swf file as "local-with-network" (such as running it after publishing on my desktop) or "remote" (accessing the .swf file when it is located on the server) and it then requires a socket policy server to host a socket policy file on the server. On my server I have code setup such that whenever a socket opens on port 843 or port 3333 (my data port) and sends a stream of raw data containing the request <policy-file-request/>, the server writes back in ASCII the below code and closes the socket.
Code:
Select all<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "[URL]">
<cross-domain-policy>
<site-control permitted-cross-domain-policies="all"/>
<allow-access-from domain="*" to-ports="*" />
</cross-domain-policy>
[Code] .....
So for some reason flash times out while waiting for the socket policy file. I have tested sending the <policy-request-file/> over telnet, and have received the above policy file. I have also sniffed using wireshark and saw that my desktop sent the policy request and received the policy file. I am guessing that Flash times out because it is waiting for some kind of terminating character that states the end of the policy file, and to that end I have tried sending. Interestingly, instead of sending the policy file I have tried sending random data from the server to flash, and flash displayed the Warning: Ignoring policy file at (URL) due to incorrect syntax. Because I don't receive this warning when I send my policy file I don't think it is formatted incorrectly.
I have also tried using the below flash code to hold the socket request open indefinitely, but it also errors after 20seconds.
Code: Select allSecurity.loadPolicyFile("xmlsocket://192.168.1.59:843");
The .swf file will eventually reside on the server itself at 192.168.1.59/myProg.html. I have only tested the flash file remotely on the server a couple times, and in addition to the previous warnings/errors, I received the warning: SWF from (URL) may not connect to a socket in its own domain without a policy file.
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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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Oct 21, 2008
I have a custom socket class designed to connect to a server and talk with it. At one point, the server uses hex data for speed, however Flash seems to not get ANY of this data. In fact, it doesn't get ANY of the data from that point to the next packet.
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Nov 15, 2010
I'm using a binary socket to talk to a server and it works fine the first time I send data. Then I receive data from the server and send a response but it's never received... like the connection closed or something. I have an event handler on the socket close event, but it doesn't fire. I can trace to the socket sending data, but if I trap the data received event on the server, nothing is received.. like it's closed the socket. Is there something I need to reset or have I missed a key concept in binary sockets?
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Sep 19, 2011
is it possible to load a swf into another swf using a binary socket instead of the traditional AS3 Loader class? Would you share some code or pointers?
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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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Jan 1, 2010
I have moved on now to where this is clearly a Flash security thing.I have a flash client that attempts to connect to an open socket on the same host as the one on which it lives.I am able to connect successfully from inside the Flash IDE, and when I run the swf movie locally on my machine, after granting it security clearance in the white list it connects as well. However, when I call the movie via the browser (URL...) it fails to connect.The socket reports that a connection attempt is made but immediately disconnects.I have a crossdomain policy file that looks like this: in the root directory of the host.[code]In the flash movie I have a line that looks like this: System. security. loadPolicyFile (URL...);And I'm thinking maybe that's where the problem is, but the documentation on how to use this method is not entirely clear. I'm in Flash CS3
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Mar 16, 2007
Here's my code, shortened a lot:
Code:
var mySocket:XMLSocket = new XMLSocket();
mySocket.connect("<my ip address here>", 9999);
mySocket.onConnect = function(success) {
[Code]....
Alright, well this code works fine and dandy when I run the flash from my computer. But when I upload it on the internet it stops working.
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Sep 12, 2009
I was just doing some testing using PHP sockets and Flash. I used several things, one thing is this tutorial:I have the server running, and when I run the swf via Flash it connects fine. But when I run it from the browser it can't connect.. Because that Tutorial is in AS2, I also wrote a quick client to connect with AS3, but I'm having the exact same problem.. it only connects if I run it through flash.Here's an example of the basic code:
Code:
var s:Socket = new Socket('my IP', 5445);
s.addEventListener(ProgressEvent.SOCKET_DATA, getData);
[code].....
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Jan 11, 2011
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A good thing is that this error is reproducable.It seems that as soon as the Flash Application Window is dragged (moved on Windows Desktop) the stream lacks data. The same error occurs, if too much data is sent to the client. The results are performance problems, data loss and other strange effects. The more data is sent on the stream, the more data has to be parsed and the more data gets lost somehow. Sometimes this leads to a memory problem, because Begin- and End-Tags aren't transmitted correctly. In order to fix (counteract) that, I discard data as long as there is no Begin-tag found and the buffer is cleared when the size exceeds 1Mb.It works so far, but the application lacks performance and stability.I.e. If 20 bitmaps per second with 620x390px are sent to the client, the client only receives 16 to 17 bitmaps, if the application does nothing else.If 30 bitmaps per second with 620x390px are sent to the client, the client only receives about 20 to 21 bitmaps.I am guessing that using actuall video streams would be better, then sending one bitmap at a time in a byte stream.Is there a proper example on how to build a client app in flash to receive/parse a binary data stream?Does anyone else has recognized the lost-data problem or the interruption of streams?
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May 12, 2010
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This code doesn't send the trailing null byte. How do I send the trailing null?
Socket.writeUTFBytes('Hello World');
Socket.flush();
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This code doesn't send the trailing null byte. How do I send the trailing null?
[Code]...
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I have inherited a custom application on Flash Media Interactive Server 3.0 that broadcasts audio in real time. The custom app is written using Adobe Flash Professional 8 and actionscript 2.0.
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[Code]...
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I have project Business card design, my app have feature save their design with PNG extension after customer design their business card to server. I sent binary of PNG to server by urlRequest and urlLoader. But with files have file size more than 5mb, it can't upload.
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I'm trying to load some binary data from server like this
var urlRequest:URLRequest = new URLRequest("http://localhost/test.php");
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, completeHandler);
[code].....
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Oct 8, 2009
I am working on the web base flash application I am trying to communicate with server through binary socket to the server IP Address and Port using Action script 3.0 at the server side we are using java. I will like to send binary data string to the server in a clubbed single packet.
View 1 Replies
Dec 19, 2009
I have a problem with my application. Here's what i have up till now[code]...
Everything works fine, you can scale the image etc.
I would like to download the new image after you scaled it. I have been trying it for a long time now but i cant get it to work.[code]...
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[Code]...
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i am working on creating a custom application for FMS 3.0 that calls a webservice to validate the user coming in. I have tested the following sample code from the Server-Side ActionScript Language Ref. (See below) The URL has been changed to protect the innocent.
This codes seems to work fine when going to an unsecured site but the innvocation of the service never seems to go out when attempting it over SSL. The Server documentation says that outgoing calls like this should work over SSL. Is this true? If so what do I need to do to get it to work?
[Code]...
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Apr 26, 2010
I've been using FMS for a few weeks, and feel relatively comfortable with it, but am currently having some trouble connecting to a live stream in a a video conferencing-type application. I suspect I'm leaving some small step out, but am having trouble seeing what that step is.
I have one client application open the video camera, connect to the FMS, and publish it's live camera stream to the server. Something like this:
Connect to the FMS
nc.connect("rtmp://<ip addr>9/chat_test/");
In my connection (success) handler:
cam = Camera.getCamera();
cam.addEventListener(StatusEvent.STATUS, statusHandler);
...
[code]...
However, I keep getting "NetStream.Play.StreamNotFound" errors. This seems relatively straightforward, but I'm clearly missing a small step somewhere.
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