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• Running game server and webserver on EC2

  - by mazzzzz

  Hey guys, I have a webhost, and an EC2 server (to run a game server on). The problem is that I want to access/modify the EC2's files with php admin programs. I looked into a lot of options to just have the webhost communicate with the EC2 server (ssh, etc), but none of them panned out. My question is if I were to install a lightweight webserver (think lighttpd) on my EC2 server, how badly would it hurt the game server's performance? I was leaning away from this solution, even though the webserver (on the EC2 server) wouldn't get many hits (less than a 100 a day). Thanks for your thoughts, Max

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• Root access amazon ec2

  - by mazzzzz

  Hey guys, I am very new to linux, and amazon-ec2. I wanted to put a quick server. For some reason, when I sign in with my key pair, it prompts me for a username, I input ec2-user, and I'm in. The problem is that I don't have root access (and can't find the root password). I need to install screen to run the server in the background, and also create a new user, that doesn't have root, to run the server. Neither of which I can do without root.. Any help? Edit: I am using Basic 32-bit Amazon Linux AMI 2010.11.1 Beta as the 'AMI'. Thanks, Max

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• Use UdpClient with IPv4 and IPv6?

  - by mazzzzz

  A little while ago I created a class to deal with my LAN networking programs. I recently upgraded one of my laptops to windows 7 and relized that windows 7 (or at least the way I have it set up) only supports IPv6, but my desktop is still back in the Windows xp days, and only uses IPv4. The class I created uses the UdpClient class, and is currently setup to only work with IPv4.. Is there a way to modify my code to allow sending and receiving of IPv6 and IPv4 packets?? It would be hard to scrap the classes code, a lot of my programs rely on this class. I would like to keep the class as close to its original state, so I don't need to modify my older programs, only switch out the old class for the updated one. Thanks for any and all help, Max Send: using System.Net.Sockets;UdpClient tub = new UdpClient (); tub.Connect ( new IPEndPoint ( ToIP, ToPort ) ); UdpState s = new UdpState (); s.client = tub; s.endpoint = new IPEndPoint ( ToIP, ToPort ); tub.BeginSend ( data, data.Length, new AsyncCallback ( SendCallBack ),s); private void SendCallBack ( IAsyncResult result ) { UdpClient client = (UdpClient)( (UdpState)( result.AsyncState ) ).client; IPEndPoint endpoint = (IPEndPoint)( (UdpState)( result.AsyncState ) ).endpoint; client.EndSend ( result ); } Receive: UdpClient tub = new UdpClient (ReceivePort); UdpState s = new UdpState (); s.client = tub; s.endpoint = new IPEndPoint ( ReceiveIP, ReceivePort ); s.callback = cb; tub.BeginReceive ( new AsyncCallback ( receivedPacket ), s ); public void receivedPacket (IAsyncResult result) { UdpClient client = (UdpClient)( (UdpState)( result.AsyncState ) ).client; IPEndPoint endpoint = (IPEndPoint)( (UdpState)( result.AsyncState ) ).endpoint; Byte[] receiveBytes = client.EndReceive ( result, ref endpoint ); ReceivedPacket = new Packet ( receiveBytes ); client.Close(); //Do what ever with the packets now }

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• Add file to Itunes com

  - by mazzzzz

  I saw the post (http://stackoverflow.com/questions/1585878/adding-song-to-itunes-with-c-sdk-api) about this, but following the link couldn't find any solid help.. Could someone point me in the right direction? Thanks, Max

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• Draw Rectangle with XNA

  - by mazzzzz

  Hey guys, I was working on game, and wanted to highlight a spot on the screen when something happens, I created a class to do this for me, and found a bit of code to draw the rectangle static private Texture2D CreateRectangle(int width, int height, Color colori) { Texture2D rectangleTexture = new Texture2D(game.GraphicsDevice, width, height, 1, TextureUsage.None, SurfaceFormat.Color);// create the rectangle texture, ,but it will have no color! lets fix that Color[] color = new Color[width * height];//set the color to the amount of pixels in the textures for (int i = 0; i < color.Length; i++)//loop through all the colors setting them to whatever values we want { color[i] = colori; } rectangleTexture.SetData(color);//set the color data on the texture return rectangleTexture;//return the texture } Problem is that the code above is called every update, (60 times a second), and it was not written with optimization in mind, I have no clue how else to write a code to do this though. It needs to be extremely fast (the code above freezes the game, which has only skeleton code right now).. Any suggestions. Note: Any new code would be great (WireFrame/Fill are both fine). I would like to be able to specify color. Something to point in the right direction would be great, Thanks, Max

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• XNA popup text dialog

  - by mazzzzz

  Hey guys, I am working on a game, and wanted to add a screen that would open when the user clicked on certain objects. The screen would be laid out to have an image on the left, a title on the top right, and text below the title. I have a few problems with this, 1) How would I create the popup box? (preferably with rounded edges) 2) How would I wrap the text (in front of the picture, but not outside the popup-box, I may even need vertical scroll bars) 3) How would I account for different screen resolutions (would they even make a difference?) Thanks for any and all help, Max

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• How do BitTorrents connect with eachother?

  - by mazzzzz

  Hey guys, I was just downloading a new distro of linux using uTorrent, and started to wonder how uTorrent (and other bittorrents) send files to eachother through NAT routers? They obviously use the trackers to get introduced, but how do they pass info to eachother? Is there a whitepaper on this? I couldn't find one :/ Thanks, Max

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• Find overdrawn accounts in SQL

  - by mazzzzz

  Hey guys, I have a program that allows me to run queries against a large database. I have two tables that are important right now, Deposits and withdraws. Each contains a history of every user. I need to take each table, add up every deposit and withdraws (per user), then subtract the withdraws from the deposits. I then need to return every user whos result is negative (aka they withdrew more then they deposited). Is this possible in one query? Example: Deposit Table: |ID|UserName|Amount| |1 | Use1 |100.00| |2 | Use1 |50.00 | |3 | Use2 |25.00 | |4 | Use1 | 5.00 | WithDraw Table: |ID|UserName|Amount| |2 | Use2 | 5.00 | |1 | Use1 |100.00| |4 | Use1 | 5.00 | |3 | Use2 |25.00 | So then the result would output: |OverWithdrawers| | Use2 | Is this possible (I sure don't know how to do it)? Thanks for any help, Max

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• How can I disable mouse click event system wide using C#?

  - by mazzzzz

  Hey guys, I have a laptop with a very sensitive touch pad, and wanted to code a small program that could block the mouse input when I was typing a paper or something. I didn't think it would be hard to do, considering everything I've seen on low-level hooks, but I was wrong (astounding, right?). I looked at a few examples, but the examples I've seen either block both keyboard and mouse, or just hide the mouse. Any help with this would be great.

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• Verify p2p node

  - by mazzzzz

  Hey guys, I have been working on a p2p namespace for some of my programs. I created a system to encrypt/decrypt the packets send/received with the class. I was using the basic public private key system: 1) encrypt the data with Symmetric encryption 2) encrypt the symmetric key with RSA. Then do the opposite when you decrypted.. I was wondering though, how would you verify if the packet was coming from where it said it was. I was going to use a basic certificate system (where you encrypt with your private RSA key, then they decrypt it with your public key), but I don't know how to do this with C#. I am using the RSACryptoServiceProvider class. Does anyone know how do this? Thanks, Max

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• Create a complex SQL query?

  - by mazzzzz

  Hey guys, I have a program that allows me to run queries against a large database. I have two tables that are important right now, Deposits and withdraws. Each contains a history of every user. I need to take each table, add up every deposit and withdraws (per user), then subtract the withdraws from the deposits. I then need to return every user whos result is negative (aka they withdrew more then they deposited). Is this possible in one query? Example: Deposit Table: |ID|UserName|Amount| |1 | Use1 |100.00| |2 | Use1 |50.00 | |3 | Use2 |25.00 | |4 | Use1 | 5.00 | WithDraw Table: |ID|UserName|Amount| |2 | Use2 | 5.00 | |1 | Use1 |100.00| |4 | Use1 | 5.00 | |3 | Use2 |25.00 | So then the result would output: |OverWithdrawers| | Use2 | Is this possible (I sure don't know how to do it)? Thanks for any help, Max

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