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• CodePlex Daily Summary for Wednesday, September 05, 2012

  CodePlex Daily Summary for Wednesday, September 05, 2012Popular ReleasesDesktop Google Reader: 1.4.6: Sorting feeds alphabetical is now optional (see preferences window)DotNetNuke® Community Edition CMS: 06.02.03: Major Highlights Fixed issue where mailto: links were not working when sending bulk email Fixed issue where uses did not see friendship relationships Problem is in 6.2, which does not show in the Versions Affected list above. Fixed the issue with cascade deletes in comments in CoreMessaging_Notification Fixed UI issue when using a date fields as a required profile property during user registration Fixed error when running the product in debug mode Fixed visibility issue when...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.65: Fixed null-reference error in the build task constructor.BLACK ORANGE: HPAD TEXT EDITOR 0.9 Beta: HOW TO RUN THE TEXT EDITOR Download the HPAD ARCHIVED FILES which is in .rar format Extract using Winrar Make sure that extracted files are in the same folder Double-Click on HPAD.exe application fileTelerikMvcGridCustomBindingHelper: Version 1.0.15.247-RC2: TelerikMvcGridCustomBindingHelper 1.0.15.247 RC2 Release notes: This is a RC version (hopefully the last one), please test and report any error or problem you encounter. This release is all about performance and fixes Support: "Or" and "Does Not contain" filter options Improved BooleanSubstitutes, Custom Aggregates and expressions-to-queryover Add EntityFramework examples in ExampleWebApplication Many other improvements and fixes Fix invalid cast on CustomAggregates Support for ...ServiceMon - Extensible Real-time, Service Monitoring Utility: ServiceMon Release 0.9.0.44: Auto-uploaded from build serverJavaScript Grid: Release 09-05-2012: Release 09-05-2012xUnit.net Contrib: xunitcontrib-dotCover 0.6.1 (dotCover 2.1 beta): xunitcontrib release 0.6.1 for dotCover 2.1 beta This release provides a test runner plugin for dotCover 2.1 beta, targetting all versions of xUnit.net. (See the xUnit.net project to download xUnit.net itself.) This release adds support for running xUnit.net tests to dotCover 2.1 beta's Visual Studio plugin. PLEASE NOTE: You do NOT need this if you also have ReSharper and the existing 0.6.1 release installed. DotCover will use ReSharper's test runners if available. This release includes th...B INI Sharp Library: B INI Sharp Library v1.0.0.0 Realsed: The frist realsedActive Forums for DotNetNuke CMS: Active Forums 5.0.0 RC: RC release of Active Forums 5.0.Droid Explorer: Droid Explorer 0.8.8.7 Beta: Bug in the display icon for apk's, will fix with next release Added fallback icon if unable to get the image/icon from the Cloud Service Removed some stale plugins that were either out dated or incomplete. Added handler for *.ab files for restoring backups Added plugin to create device backups Backups stored in %USERPROFILE%\Android Backups\%DEVICE_ID%\ Added custom folder icon for the android backups directory better error handling for installing an apk bug fixes for the Runn...BI System Monitor: v2.1: Data Audits report and supporting SQL, and SSIS package Environment Overview report enhancements, improving the appearance, addition of data audit finding indicators Note: SQL 2012 version coming soon.The Visual Guide for Building Team Foundation Server 2012 Environments: Version 1: --Nearforums - ASP.NET MVC forum engine: Nearforums v8.5: Version 8.5 of Nearforums, the ASP.NET MVC Forum Engine. New features include: Built-in search engine using Lucene.NET Flood control improvements Notifications improvements: sync option and mail body View Roadmap for more details webdeploy package sha1 checksum: 961aff884a9187b6e8a86d68913cdd31f8deaf83WiX Toolset: WiX Toolset v3.6: WiX Toolset v3.6 introduces the Burn bootstrapper/chaining engine and support for Visual Studio 2012 and .NET Framework 4.5. Other minor functionality includes: WixDependencyExtension supports dependency checking among MSI packages. WixFirewallExtension supports more features of Windows Firewall. WixTagExtension supports Software Id Tagging. WixUtilExtension now supports recursive directory deletion. Melt simplifies pure-WiX patching by extracting .msi package content and updating .w...Iveely Search Engine: Iveely Search Engine （0.2.0）: ????ISE?0.1.0??，?????，ISE?0.2.0?????????，???????，????????20???follow?ISE，????，??ISE??????????，??????????，?????????，?????????0.2.0??????，??????????。 Iveely Search Engine ?0.2.0?????????“??????????”，??????，?????????，???????，???????????????????，????、????????????。???0.1.0????????????： 1. ??“????” ??。??????????，?????????，???????????????????。??：????????，????????????，??????????????????。??????。 2. ??“????”??。?0.1.0??????，???????，???????????????，?????????????，????????，?0.2.0?，???????...GmailDefaultMaker: GmailDefaultMaker 3.0.0.2: Add QQ Mail BugfixSmart Data Access layer: Smart Data access Layer Ver 3: In this version support executing inline query is added. Check Documentation section for detail.DotNetNuke® Form and List: 06.00.04: DotNetNuke Form and List 06.00.04 Don't forget to backup your installation before upgrade. Changes in 06.00.04 Fix: Sql Scripts for 6.003 missed object qualifiers within stored procedures Fix: added missing resource "cmdCancel.Text" in form.ascx.resx Changes in 06.00.03 Fix: MakeThumbnail was broken if the application pool was configured to .Net 4 Change: Data is now stored in nvarchar(max) instead of ntext Changes in 06.00.02 The scripts are now compatible with SQL Azure, tested in a ne...Coevery - Free CRM: Coevery 1.0.0.24: Add a sample database, and installation instructions.New ProjectsA Simple Eng-Hindi CMS: A simple English- Hindi dual language content management system for small business/personal websites.Active Social Migrator: This project for managing the Active Social migration tool.ANSI Console User Control: Custom console control for .NET WinformsAutoSPInstallerGUI: GUI Configuration Tool for SPAutoInstaller Codeplex ProjectCode Documentation Checkin Policy: This checkin policy for Visual Studio 2012 checks if c# code is documented the way it's configured in the config of the policy. Code Dojo/Kata - Free Time Coding: Doing some katas of the Coding Dojo page. http://codingdojo.org/cgi-bin/wiki.pl?KataCataloguefjycUnifyShow: fjycUnifyShowHidden Capture (HC): HC is simple and easy utility to hidden and auto capture desktop or active windowHRC Integration Services: Fake SQL Server Integration Services. LOLKooboo CMS Sites Switcher: Kooboo CMS Sites SwitcherMod.CookieDetector: Orchard module for detecting whether cookies are enabledMyCodes: Created!MySQL Statement Monitor: MySQL Statement Monitor is a monitoring tool that monitors SQL statements transferred over the network.NeoModulusPIRandom: The idea with PI Random is to use easy string manipulation and simple math to generate a pseudo random number. Net Core Tech - Medical Record System: This is a Medical Record System ProjectOraPowerShell: PowerShell library for backup and maintenance of a Oracle Database environment under Microsoft Windows 2008PinDNN: PinDNN is a module that imparts Pinterest-like functionality to DotNetNuke sites. This module works with a MongoDB database and uses the built-in social relatioPyrogen Code Generator: PyroGen is a simple code generator accepting C# as the markup language.restMs: wil be deleted soonScript.NET: Script.NET is a script management utility for web forms and MVC, using ScriptJS-like features to link dependencies between scripts.SpringExample-Pagination: Simple Spring example with PaginationXNA and Component Based Design: This project includes code for XNA and Component Based Design

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• ATI propriatery drivers install latest 12.8, broke my kernel. Stuck on kernel 3.2.0-26

  - by user66987

  I messed up a bit. Hoping some here can help me. I tried to install the newest catalyst 12.8. Sadly, this broke my system. I was stuck in low graphics mode. I finally managed to restore the proprietary drivers, and get into ubuntu again. But now I am stuck on kernel 3.2.0.26. I had installed kernel 3.2.0-30, but the system no longer sees it. I have kernel 3.2.0-29 too, but the system cannot see that as well. In the grub menu. When I use sudo update-grub, they are both listed. Here are the output I get: Searching for GRUB installation directory ... found: /boot/grub Cannot determine root device. Assuming /dev/hda1 This error is probably caused by an invalid /etc/fstab Searching for default file ... found: /boot/grub/default Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst Searching for splash image ... none found, skipping ... Found kernel: /boot/vmlinuz-3.2.0-30-generic Found kernel: /boot/vmlinuz-3.2.0-29-generic Found kernel: /boot/vmlinuz-3.2.0-27-generic Found kernel: /boot/vmlinuz-3.2.0-26-generic Found GRUB 2: /boot/grub/core.img Found kernel: /boot/memtest86+.bin Updating /boot/grub/menu.lst ... done I have searched everywhere to find a solution to my problem, but can't find any solutions. If you need any log outputs to figure out the problem, please let me know which ones. Update: here is the output for grub.cfg # # DO NOT EDIT THIS FILE # # It is automatically generated by grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; then set have_grubenv=true load_env fi set default="0" if [ "${prev_saved_entry}" ]; then set saved_entry="${prev_saved_entry}" save_env saved_entry set prev_saved_entry= save_env prev_saved_entry set boot_once=true fi function savedefault { if [ -z "${boot_once}" ]; then saved_entry="${chosen}" save_env saved_entry fi } function recordfail { set recordfail=1 if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi } function load_video { insmod vbe insmod vga insmod video_bochs insmod video_cirrus } insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=auto load_video insmod gfxterm insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b set locale_dir=($root)/boot/grub/locale set lang=nb_NO insmod gettext fi terminal_output gfxterm if [ "${recordfail}" = 1 ]; then set timeout=-1 else set timeout=10 fi ### END /etc/grub.d/00_header ### ### BEGIN /etc/grub.d/05_debian_theme ### set menu_color_normal=white/black set menu_color_highlight=black/light-gray if background_color 44,0,30; then clear fi ### END /etc/grub.d/05_debian_theme ### ### BEGIN /etc/grub.d/10_linux ### function gfxmode { set gfxpayload="${1}" if [ "${1}" = "keep" ]; then set vt_handoff=vt.handoff=7 else set vt_handoff= fi } if [ "${recordfail}" != 1 ]; then if [ -e ${prefix}/gfxblacklist.txt ]; then if hwmatch ${prefix}/gfxblacklist.txt 3; then if [ ${match} = 0 ]; then set linux_gfx_mode=keep else set linux_gfx_mode=text fi else set linux_gfx_mode=text fi else set linux_gfx_mode=keep fi else set linux_gfx_mode=text fi export linux_gfx_mode if [ "${linux_gfx_mode}" != "text" ]; then load_video; fi menuentry 'Ubuntu, med Linux 3.2.0-26-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b linux /boot/vmlinuz-3.2.0-26-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-26-generic } menuentry 'Ubuntu, med Linux 3.2.0-26-generic (gjenopprettelsesmodus)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b echo 'Laster Linux 3.2.0-26-generic ...' linux /boot/vmlinuz-3.2.0-26-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-26-generic } submenu "Previous Linux versions" { menuentry 'Ubuntu, med Linux 3.2.0-25-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b linux /boot/vmlinuz-3.2.0-25-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-25-generic } menuentry 'Ubuntu, med Linux 3.2.0-25-generic (gjenopprettelsesmodus)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b echo 'Laster Linux 3.2.0-25-generic ...' linux /boot/vmlinuz-3.2.0-25-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-25-generic } menuentry 'Ubuntu, med Linux 3.2.0-24-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b linux /boot/vmlinuz-3.2.0-24-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-24-generic } menuentry 'Ubuntu, med Linux 3.2.0-24-generic (gjenopprettelsesmodus)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b echo 'Laster Linux 3.2.0-24-generic ...' linux /boot/vmlinuz-3.2.0-24-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-24-generic } menuentry 'Ubuntu, med Linux 3.2.0-23-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b linux /boot/vmlinuz-3.2.0-23-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-23-generic } menuentry 'Ubuntu, med Linux 3.2.0-23-generic (gjenopprettelsesmodus)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b echo 'Laster Linux 3.2.0-23-generic ...' linux /boot/vmlinuz-3.2.0-23-generic root=UUID=270c7c58-06d8-4e6b-b9bb-8d92f46adc0b ro recovery nomodeset echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-23-generic } } ### END /etc/grub.d/10_linux ### ### BEGIN /etc/grub.d/20_linux_xen ### ### END /etc/grub.d/20_linux_xen ### ### BEGIN /etc/grub.d/20_memtest86+ ### menuentry "Memory test (memtest86+)" { insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b linux16 /boot/memtest86+.bin } menuentry "Memory test (memtest86+, serial console 115200)" { insmod part_msdos insmod ext2 set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 270c7c58-06d8-4e6b-b9bb-8d92f46adc0b linux16 /boot/memtest86+.bin console=ttyS0,115200n8 } ### END /etc/grub.d/20_memtest86+ ### ### BEGIN /etc/grub.d/30_os-prober ### menuentry "Windows 7 (loader) (on /dev/sdb1)" --class windows --class os { insmod part_msdos insmod ntfs set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 448AF3CE8AF3BA8E chainloader +1 } ### END /etc/grub.d/30_os-prober ### ### BEGIN /etc/grub.d/40_custom ### # This file provides an easy way to add custom menu entries. Simply type the # menu entries you want to add after this comment. Be careful not to change # the 'exec tail' line above. ### END /etc/grub.d/40_custom ### ### BEGIN /etc/grub.d/41_custom ### if [ -f $prefix/custom.cfg ]; then source $prefix/custom.cfg; fi ### END /etc/grub.d/41_custom ### How can I set kernel 3.2.0.30 as the default kernel? According to this file, kernel 3.2.0-30 does not exist.

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• C# .Net 3.5 Asynchronous Socket Server Performance Problem

  - by iBrAaAa

  I'm developing an Asynchronous Game Server using .Net Socket Asynchronous Model( BeginAccept/EndAccept...etc.) The problem I'm facing is described like that: When I have only one client connected, the server response time is very fast but once a second client connects, the server response time increases too much. I've measured the time from a client sends a message to the server until it gets the reply in both cases. I found that the average time in case of one client is about 17ms and in case of 2 clients about 280ms!!! What I really see is that: When 2 clients are connected and only one of them is moving(i.e. requesting service from the server) it is equivalently equal to the case when only one client is connected(i.e. fast response). However, when the 2 clients move at the same time(i.e. requests service from the server at the same time) their motion becomes very slow (as if the server replies each one of them in order i.e. not simultaneously). Basically, what I am doing is that: When a client requests a permission for motion from the server and the server grants him the request, the server then broadcasts the new position of the client to all the players. So if two clients are moving in the same time, the server is eventually trying to broadcast to both clients the new position of each of them at the same time. EX: Client1 asks to go to position (2,2) Client2 asks to go to position (5,5) Server sends to each of Client1 & Client2 the same two messages: message1: "Client1 at (2,2)" message2: "Client2 at (5,5)" I believe that the problem comes from the fact that Socket class is thread safe according MSDN documentation http://msdn.microsoft.com/en-us/library/system.net.sockets.socket.aspx. (NOT SURE THAT IT IS THE PROBLEM) Below is the code for the server: /// /// This class is responsible for handling packet receiving and sending /// public class NetworkManager { /// /// An integer to hold the server port number to be used for the connections. Its default value is 5000. /// private readonly int port = 5000; /// /// hashtable contain all the clients connected to the server. /// key: player Id /// value: socket /// private readonly Hashtable connectedClients = new Hashtable(); /// /// An event to hold the thread to wait for a new client /// private readonly ManualResetEvent resetEvent = new ManualResetEvent(false); /// /// keeps track of the number of the connected clients /// private int clientCount; /// /// The socket of the server at which the clients connect /// private readonly Socket mainSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); /// /// The socket exception that informs that a client is disconnected /// private const int ClientDisconnectedErrorCode = 10054; /// /// The only instance of this class. /// private static readonly NetworkManager networkManagerInstance = new NetworkManager(); /// /// A delegate for the new client connected event. /// /// the sender object /// the event args public delegate void NewClientConnected(Object sender, SystemEventArgs e); /// /// A delegate for the position update message reception. /// /// the sender object /// the event args public delegate void PositionUpdateMessageRecieved(Object sender, PositionUpdateEventArgs e); /// /// The event which fires when a client sends a position message /// public PositionUpdateMessageRecieved PositionUpdateMessageEvent { get; set; } /// /// keeps track of the number of the connected clients /// public int ClientCount { get { return clientCount; } } /// /// A getter for this class instance. /// /// only instance. public static NetworkManager NetworkManagerInstance { get { return networkManagerInstance; } } private NetworkManager() {} /// Starts the game server and holds this thread alive /// public void StartServer() { //Bind the mainSocket to the server IP address and port mainSocket.Bind(new IPEndPoint(IPAddress.Any, port)); //The server starts to listen on the binded socket with max connection queue //1024 mainSocket.Listen(1024); //Start accepting clients asynchronously mainSocket.BeginAccept(OnClientConnected, null); //Wait until there is a client wants to connect resetEvent.WaitOne(); } /// /// Receives connections of new clients and fire the NewClientConnected event /// private void OnClientConnected(IAsyncResult asyncResult) { Interlocked.Increment(ref clientCount); ClientInfo newClient = new ClientInfo { WorkerSocket = mainSocket.EndAccept(asyncResult), PlayerId = clientCount }; //Add the new client to the hashtable and increment the number of clients connectedClients.Add(newClient.PlayerId, newClient); //fire the new client event informing that a new client is connected to the server if (NewClientEvent != null) { NewClientEvent(this, System.EventArgs.Empty); } newClient.WorkerSocket.BeginReceive(newClient.Buffer, 0, BasePacket.GetMaxPacketSize(), SocketFlags.None, new AsyncCallback(WaitForData), newClient); //Start accepting clients asynchronously again mainSocket.BeginAccept(OnClientConnected, null); } /// Waits for the upcoming messages from different clients and fires the proper event according to the packet type. /// /// private void WaitForData(IAsyncResult asyncResult) { ClientInfo sendingClient = null; try { //Take the client information from the asynchronous result resulting from the BeginReceive sendingClient = asyncResult.AsyncState as ClientInfo; // If client is disconnected, then throw a socket exception // with the correct error code. if (!IsConnected(sendingClient.WorkerSocket)) { throw new SocketException(ClientDisconnectedErrorCode); } //End the pending receive request sendingClient.WorkerSocket.EndReceive(asyncResult); //Fire the appropriate event FireMessageTypeEvent(sendingClient.ConvertBytesToPacket() as BasePacket); // Begin receiving data from this client sendingClient.WorkerSocket.BeginReceive(sendingClient.Buffer, 0, BasePacket.GetMaxPacketSize(), SocketFlags.None, new AsyncCallback(WaitForData), sendingClient); } catch (SocketException e) { if (e.ErrorCode == ClientDisconnectedErrorCode) { // Close the socket. if (sendingClient.WorkerSocket != null) { sendingClient.WorkerSocket.Close(); sendingClient.WorkerSocket = null; } // Remove it from the hash table. connectedClients.Remove(sendingClient.PlayerId); if (ClientDisconnectedEvent != null) { ClientDisconnectedEvent(this, new ClientDisconnectedEventArgs(sendingClient.PlayerId)); } } } catch (Exception e) { // Begin receiving data from this client sendingClient.WorkerSocket.BeginReceive(sendingClient.Buffer, 0, BasePacket.GetMaxPacketSize(), SocketFlags.None, new AsyncCallback(WaitForData), sendingClient); } } /// /// Broadcasts the input message to all the connected clients /// /// public void BroadcastMessage(BasePacket message) { byte[] bytes = message.ConvertToBytes(); foreach (ClientInfo client in connectedClients.Values) { client.WorkerSocket.BeginSend(bytes, 0, bytes.Length, SocketFlags.None, SendAsync, client); } } /// /// Sends the input message to the client specified by his ID. /// /// /// The message to be sent. /// The id of the client to receive the message. public void SendToClient(BasePacket message, int id) { byte[] bytes = message.ConvertToBytes(); (connectedClients[id] as ClientInfo).WorkerSocket.BeginSend(bytes, 0, bytes.Length, SocketFlags.None, SendAsync, connectedClients[id]); } private void SendAsync(IAsyncResult asyncResult) { ClientInfo currentClient = (ClientInfo)asyncResult.AsyncState; currentClient.WorkerSocket.EndSend(asyncResult); } /// Fires the event depending on the type of received packet /// /// The received packet. void FireMessageTypeEvent(BasePacket packet) { switch (packet.MessageType) { case MessageType.PositionUpdateMessage: if (PositionUpdateMessageEvent != null) { PositionUpdateMessageEvent(this, new PositionUpdateEventArgs(packet as PositionUpdatePacket)); } break; } } } The events fired are handled in a different class, here are the event handling code for the PositionUpdateMessage (Other handlers are irrelevant): private readonly Hashtable onlinePlayers = new Hashtable(); /// /// Constructor that creates a new instance of the GameController class. /// private GameController() { //Start the server server = new Thread(networkManager.StartServer); server.Start(); //Create an event handler for the NewClientEvent of networkManager networkManager.PositionUpdateMessageEvent += OnPositionUpdateMessageReceived; } /// /// this event handler is called when a client asks for movement. /// private void OnPositionUpdateMessageReceived(object sender, PositionUpdateEventArgs e) { Point currentLocation = ((PlayerData)onlinePlayers[e.PositionUpdatePacket.PlayerId]).Position; Point locationRequested = e.PositionUpdatePacket.Position; ((PlayerData)onlinePlayers[e.PositionUpdatePacket.PlayerId]).Position = locationRequested; // Broadcast the new position networkManager.BroadcastMessage(new PositionUpdatePacket { Position = locationRequested, PlayerId = e.PositionUpdatePacket.PlayerId }); }

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• Convert flyout menu to respond onclick vs mouseover

  - by Scott B

  The code below creates a nifty flyout menu action on a nested list item sequence. The client has called and wants the change the default behavior in which the flyouts are triggered by mouseover, so that you have to click to trigger a flyout. Ideally, I would just like to modify this code so that you click on a small icon (plus/minus) that sits to the right of the menu item if it has child menus. Can someone give me a bit of guidance on what bits I'd need to change to accomplish this? /* a few sniffs to circumvent known browser bugs */ var sUserAgent = navigator.userAgent.toLowerCase(); var isIE=document.all?true:false; var isNS4=document.layers?true:false; var isOp=(sUserAgent.indexOf('opera')!=-1)?true:false; var isMac=(sUserAgent.indexOf('mac')!=-1)?true:false; var isMoz=(sUserAgent.indexOf('mozilla/5')!=-1&&sUserAgent.indexOf('opera')==-1&&sUserAgent.indexOf('msie')==-1)?true:false; var isNS6=(sUserAgent.indexOf('netscape6')!=-1&&sUserAgent.indexOf('opera')==-1&&sUserAgent.indexOf('msie')==-1)?true:false; var dom=document.getElementById?true:false; /* sets time until menus disappear in milliseconds */ var iMenuTimeout=1500; var aMenus=new Array; var oMenuTimeout; var iMainMenusLength=0; /* the following boolean controls the z-index property if needed */ /* if is only necessary if you have multiple mainMenus in one file that are overlapping */ /* set bSetZIndeces to true (either here or in the HTML) and the main menus will have a z-index set in descending order so that preceding ones can overlap */ /* the integer iStartZIndexAt controls z-index of the first main menu */ var bSetZIndeces=true; var iStartZIndexAt=1000; var aMainMenus=new Array; /* load up the submenus */ function loadMenus(){ if(!dom)return; var aLists=document.getElementsByTagName('ul'); for(var i=0;i<aLists.length;i++){ if(aLists[i].className=='navMenu')aMenus[aMenus.length]=aLists[i]; } var aAnchors=document.getElementsByTagName('a'); var aItems = new Array; for(var i=0;i<aAnchors.length;i++){ // if(aAnchors[i].className=='navItem')aItems[aItems.length] = aAnchors[i]; aItems[aItems.length] = aAnchors[i]; } var sMenuId=null; var oParentMenu=null; var aAllElements=document.body.getElementsByTagName("*"); if(isIE)aAllElements=document.body.all; /* loop through navItem and navMenus and dynamically assign their IDs */ /* each relies on it's parent's ID being set before it */ for(var i=0;i<aAllElements.length;i++){ if(aAllElements[i].className.indexOf('x8menus')!=-1){ /* load up main menus collection */ if(bSetZIndeces)aMainMenus[aMainMenus.length]=aAllElements[i]; } // if(aAllElements[i].className=='navItem'){ if(aAllElements[i].tagName=='A'){ oParentMenu = aAllElements[i].parentNode.parentNode; if(!oParentMenu.childMenus) oParentMenu.childMenus = new Array; oParentMenu.childMenus[oParentMenu.childMenus.length]=aAllElements[i]; if(aAllElements[i].id==''){ if(oParentMenu.className=='x8menus'){ aAllElements[i].id='navItem_'+iMainMenusLength; //alert(aAllElements[i].id); iMainMenusLength++; }else{ aAllElements[i].id=oParentMenu.id.replace('Menu','Item')+'.'+oParentMenu.childMenus.length; } } } else if(aAllElements[i].className=='navMenu'){ oParentItem = aAllElements[i].parentNode.firstChild; aAllElements[i].id = oParentItem.id.replace('Item','Menu'); } } /* dynamically set z-indeces of main menus so they won't underlap */ for(var i=aMainMenus.length-1;i>=0;i--){ aMainMenus[i].style.zIndex=iStartZIndexAt-i; } /* set menu item properties */ for(var i=0;i<aItems.length;i++){ sMenuId=aItems[i].id; sMenuId='navMenu_'+sMenuId.substring(8,sMenuId.lastIndexOf('.')); /* assign event handlers */ /* eval() used here to avoid syntax errors for function literals in Netscape 3 */ eval('aItems[i].onmouseover=function(){modClass(true,this,"activeItem");window.clearTimeout(oMenuTimeout);showMenu("'+sMenuId+'");};'); eval('aItems[i].onmouseout=function(){modClass(false,this,"activeItem");window.clearTimeout(oMenuTimeout);oMenuTimeout=window.setTimeout("hideMenu(\'all\')",iMenuTimeout);}'); eval('aItems[i].onfocus=function(){this.onmouseover();}'); eval('aItems[i].onblur=function(){this.onmouseout();}'); //aItems[i].addEventListener("keydown",function(){keyNav(this,event);},false); } var sCatId=0; var oItem; for(var i=0;i<aMenus.length;i++){ /* assign event handlers */ /* eval() used here to avoid syntax errors for function literals in Netscape 3 */ eval('aMenus[i].onmouseover=function(){window.clearTimeout(oMenuTimeout);}'); eval('aMenus[i].onmouseout=function(){window.clearTimeout(oMenuTimeout);oMenuTimeout=window.setTimeout("hideMenu(\'all\')",iMenuTimeout);}'); sCatId=aMenus[i].id; sCatId=sCatId.substring(8,sCatId.length); oItem=document.getElementById('navItem_'+sCatId); if(oItem){ if(!isOp && !(isMac && isIE) && oItem.parentNode)modClass(true,oItem.parentNode,"hasSubMenu"); else modClass(true,oItem,"hasSubMenu"); /* assign event handlers */ eval('oItem.onmouseover=function(){window.clearTimeout(oMenuTimeout);showMenu("navMenu_'+sCatId+'");}'); eval('oItem.onmouseout=function(){window.clearTimeout(oMenuTimeout);oMenuTimeout=window.clearTimeout(oMenuTimeout);oMenuTimeout=window.setTimeout(\'hideMenu("navMenu_'+sCatId+'")\',iMenuTimeout);}'); eval('oItem.onfocus=function(){window.clearTimeout(oMenuTimeout);showMenu("navMenu_'+sCatId+'");}'); eval('oItem.onblur=function(){window.clearTimeout(oMenuTimeout);oMenuTimeout=window.clearTimeout(oMenuTimeout);oMenuTimeout=window.setTimeout(\'hideMenu("navMenu_'+sCatId+'")\',iMenuTimeout);}'); //oItem.addEventListener("keydown",function(){keyNav(this,event);},false); } } } /* this will append the loadMenus function to any previously assigned window.onload event */ /* if you reassign this onload event, you'll need to include this or execute it after all the menus are loaded */ function newOnload(){ if(typeof previousOnload=='function')previousOnload(); loadMenus(); } var previousOnload; if(window.onload!=null)previousOnload=window.onload; window.onload=newOnload; /* show menu and hide all others except ancestors of the current menu */ function showMenu(sWhich){ var oWhich=document.getElementById(sWhich); if(!oWhich){ hideMenu('all'); return; } var aRootMenus=new Array; aRootMenus[0]=sWhich var sCurrentRoot=sWhich; var bHasParentMenu=false; if(sCurrentRoot.indexOf('.')!=-1){ bHasParentMenu=true; } /* make array of this menu and ancestors so we know which to leave exposed */ /* ex. from ID string "navMenu_12.3.7.4", extracts menu levels ["12.3.7.4", "12.3.7", "12.3", "12"] */ while(bHasParentMenu){ if(sCurrentRoot.indexOf('.')==-1)bHasParentMenu=false; aRootMenus[aRootMenus.length]=sCurrentRoot; sCurrentRoot=sCurrentRoot.substring(0,sCurrentRoot.lastIndexOf('.')); } for(var i=0;i<aMenus.length;i++){ var bIsRoot=false; for(var j=0;j<aRootMenus.length;j++){ var oThisItem=document.getElementById(aMenus[i].id.replace('navMenu_','navItem_')); if(aMenus[i].id==aRootMenus[j])bIsRoot=true; } if(bIsRoot && oThisItem)modClass(true,oThisItem,'hasSubMenuActive'); else modClass(false,oThisItem,'hasSubMenuActive'); if(!bIsRoot && aMenus[i].id!=sWhich)modClass(false,aMenus[i],'showMenu'); } modClass(true,oWhich,'showMenu'); var oItem=document.getElementById(sWhich.replace('navMenu_','navItem_')); if(oItem)modClass(true,oItem,'hasSubMenuActive'); } function hideMenu(sWhich){ if(sWhich=='all'){ /* loop backwards b/c WinIE6 has a bug with hiding display of an element when it's parent is already hidden */ for(var i=aMenus.length-1;i>=0;i--){ var oThisItem=document.getElementById(aMenus[i].id.replace('navMenu_','navItem_')); if(oThisItem)modClass(false,oThisItem,'hasSubMenuActive'); modClass(false,aMenus[i],'showMenu'); } }else{ var oWhich=document.getElementById(sWhich); if(oWhich)modClass(false,oWhich,'showMenu'); var oThisItem=document.getElementById(sWhich.replace('navMenu_','navItem_')); if(oThisItem)modClass(false,oThisItem,'hasSubMenuActive'); } } /* add or remove element className */ function modClass(bAdd,oElement,sClassName){ if(bAdd){/* add class */ if(oElement.className.indexOf(sClassName)==-1)oElement.className+=' '+sClassName; }else{/* remove class */ if(oElement.className.indexOf(sClassName)!=-1){ if(oElement.className.indexOf(' '+sClassName)!=-1)oElement.className=oElement.className.replace(' '+sClassName,''); else oElement.className=oElement.className.replace(sClassName,''); } } return oElement.className; /* return new className */ } //document.body.addEventListener("keydown",function(){keyNav(event);},true); function setBubble(oEvent){ oEvent.bubbles = true; } function keyNav(oElement,oEvent){ alert(oEvent.keyCode); window.status=oEvent.keyCode; return false; }

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• Need Help Customizing a Grammar Checking Replace Rule in Java

  - by user567785

  Hello, I am currently adding the Khmer (Cambodian) language to LanguageTool, an opensource grammar checker for OpenOffice (http://www.languagetool.org). I don't know enough Java to customize one of the scripts and wanted to make a request here asking if anyone would be willing to customize it for me (I can put link to your website at http://www.sbbic.org/lang/en-us/volunteer/ if you help). Here is the script that needs customization KhmerWordCoherencyRule.java: /* LanguageTool, a natural language style checker * Copyright (C) 2005 Daniel Naber (http://www.danielnaber.de) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 * USA */ package de.danielnaber.languagetool.rules.km; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.ResourceBundle; import de.danielnaber.languagetool.AnalyzedSentence; import de.danielnaber.languagetool.AnalyzedToken; import de.danielnaber.languagetool.AnalyzedTokenReadings; import de.danielnaber.languagetool.JLanguageTool; import de.danielnaber.languagetool.tools.StringTools; import de.danielnaber.languagetool.rules.Category; import de.danielnaber.languagetool.rules.RuleMatch; /** * A Khmer rule that matches words or phrases which should not be used and suggests * correct ones instead. Loads the relevant words from * <code>rules/km/coherency.txt</code>, where km is a code of the language. * * @author Andriy Rysin */ public abstract class KhmerWordCoherencyRule extends KhmerRule { private static final String FILE_ENCODING = "utf-8"; private Map<String, String> wrongWords; // e.g. "????? -> "?????" private static final String FILE_NAME = "/km/coherency.txt"; public abstract String getFileName(); public String getEncoding() { return FILE_ENCODING; } /** * Indicates if the rule is case-sensitive. Default value is <code>true</code>. * @return true if the rule is case-sensitive, false otherwise. */ //in Khmer there is no case public boolean isCaseSensitive() { return false; } /** * @return the locale used for case conversion when {@link #isCaseSensitive()} is set to <code>false</code>. */ public Locale getLocale() { return Locale.getDefault(); } public KhmerWordCoherencyRule(final ResourceBundle messages) throws IOException { if (messages != null) { super.setCategory(new Category(messages.getString("category_misc"))); } wrongWords = loadWords(JLanguageTool.getDataBroker().getFromRulesDirAsStream(getFileName())); } public String getId() { return "KM_WORD_COHERENCY"; } public String getDescription() { return "Checks for wrong words/phrases"; } public String getSuggestion() { return " does not match your previous spelling of the word, use "; } public String getShort() { return "Use a consistant spelling throughout"; } public final RuleMatch[] match(final AnalyzedSentence text) { final List<RuleMatch> ruleMatches = new ArrayList<RuleMatch>(); final AnalyzedTokenReadings[] tokens = text.getTokensWithoutWhitespace(); for (int i = 1; i < tokens.length; i++) { final String token = tokens[i].getToken(); final String origToken = token; final String replacement = isCaseSensitive()?wrongWords.get(token):wrongWords.get(token.toLowerCase(getLocale())); if (replacement != null) { final String msg = token + getSuggestion() + replacement; final int pos = tokens[i].getStartPos(); final RuleMatch potentialRuleMatch = new RuleMatch(this, pos, pos + origToken.length(), msg, getShort()); if (!isCaseSensitive() && StringTools.startsWithUppercase(token)) { potentialRuleMatch.setSuggestedReplacement(StringTools.uppercaseFirstChar(replacement)); } else { potentialRuleMatch.setSuggestedReplacement(replacement); } ruleMatches.add(potentialRuleMatch); } } return toRuleMatchArray(ruleMatches); } private Map<String, String> loadWords(final InputStream file) throws IOException { final Map<String, String> map = new HashMap<String, String>(); InputStreamReader isr = null; BufferedReader br = null; try { isr = new InputStreamReader(file, getEncoding()); br = new BufferedReader(isr); String line; while ((line = br.readLine()) != null) { line = line.trim(); if (line.length() < 1) { continue; } if (line.charAt(0) == '#') { // ignore comments continue; } final String[] parts = line.split(";"); if (parts.length != 2) { throw new IOException("Format error in file " + JLanguageTool.getDataBroker().getFromRulesDirAsUrl(getFileName()) + ", line: " + line); } map.put(parts[0], parts[1]); } } finally { if (br != null) { br.close(); } if (isr != null) { isr.close(); } } return map; } public void reset() { } } Here is what I need the SimpleReplaceRule.java to do: 1 - Be able to have more than two spelling variations in the coherency.txt file (right now it can only be Word1;Word2). 2 - Find the first use of ANY of the spelling variations in a document that are found in coherency.txt and then make sure only that spelling is used throughout the document (ex. in the coherency.txt I have Word1;Word2;Word3 then in my document on the first line I write Word2. then on next line I write Word1 and Word 3 - then the grammar checker will flag Word1 and Word3 saying that I should use the spelling "Word2" instead...etc.). If anyone can help I would be grateful! Thanks for your time, Nathan

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• Adapting a HTML/CSS dropdown menu to multi-level

  - by Adam Nygate

  Ive been trying to make the original dropdown into multi level for a site im working on. All of my attempts have failed (. For some reason i can only do "margin-right" to align the elements, and this causes some problems. I think it has something to do with the position attribute. Here is my HTML: <ol id="nav"> <li><a href="index.php">Home</a></li> <li class="dropdown_alignedLeft"> <a href="">Products</a> <ul><li class="dropdown_alignedRight"> <a href="">iPoP</a> <ul style="margin-right:-400px; top:0px;-webkit-border-top-right-radius: 5px;border-top-right-radius: 5px;-moz-border-radius-topright: 5px;"><li><a href="customers.php?category=ipop">iPoP - Network Solutions for Vessels</a></li></ul><li class="dropdown_alignedRight"> <a href="">Cameras</a> <ul style="margin-right:-400px; top:0px;-webkit-border-top-right-radius: 5px;border-top-right-radius: 5px;-moz-border-radius-topright: 5px;"><li><a href="customers.php?category=icam">iCam 501 Ultra - Intrinsically Safe Digital Camera with Flash</a></li></ul><li class="dropdown_alignedRight"> <a href="">BNWAS</a> <ul style="margin-right:-400px; top:0px;-webkit-border-top-right-radius: 5px;border-top-right-radius: 5px;-moz-border-radius-topright: 5px;"><li><a href="customers.php?category=bnwas">BNWAS - Bridge Navigation Watch Alarm System</a></li></ul><li class="dropdown_alignedRight"> <a href="">Lighting</a> <ul style="margin-right:-400px; top:0px;-webkit-border-top-right-radius: 5px;border-top-right-radius: 5px;-moz-border-radius-topright: 5px;"><li><a href="customers.php?category=peli">Peli 2690 - Intrinsically Safe LED Head Lamp</a></li></ul><li class="dropdown_alignedRight"> <a href="">Communication</a> <ul style="margin-right:-400px; top:0px;-webkit-border-top-right-radius: 5px;border-top-right-radius: 5px;-moz-border-radius-topright: 5px;"><li><a href="customers.php?category=handy">Ex-Handy 06 - Intrinsically Safe Cell Phone</a></li></ul> </ul> <li class="dropdown_alignedLeft"> <a href="">Customers</a> <ul> <li><a href="customers.php?category=maritime">Maritime</a></li> <li><a href="customers.php?category=non">Non-Maritime</a></li> <li class="dropdown_lastItem"><a href="customers.php?category=organizations">Regulatory Organizations</a></li> </ul> <li><a href="order.php">Product Enquiry</a></li> <li><a href="contact.php">Contact Us</a></li> <li class="dropdown_alignedLeft"> <a href="">Company</a> <ul> <!-- <li><a href="">About Us</a></li> --> <li><a href="newsandpr.php?category=News">News</a></li> <li class="dropdown_lastItem"><a href="newsandpr.php?category=Press Release">Press Releases</a></li> </ul> </ol> And my CSS: #nav { float:right; margin:15px 0 0; } #nav li { float:left; } #nav li a { display:block; font-family:"PT Sans","Helvetica Neue",Arial,sans-serif; font-size:16px; text-decoration:none; color:#2B95C8; padding:10px 20px 20px; } .dropdown_alignedLeft,.dropdown_alignedRight { position:relative; } #nav .dropdown_alignedLeft>a,#nav .dropdown_alignedRight>a { background:url(../images/dropdown_arrow_blue.png) no-repeat top right; padding:10px 30px 20px 20px; } #nav .dropdown_alignedLeft:hover>a,#nav .dropdown_alignedRight:hover>a { -moz-border-radius-topleft:5px; -moz-border-radius-topright:5px; -moz-border-radius-bottomright:0; -moz-border-radius-bottomleft:0; -webkit-border-top-left-radius:5px; -webkit-border-top-right-radius:5px; -webkit-border-bottom-right-radius:0; -webkit-border-bottom-left-radius:0; border-top-left-radius:5px; border-top-right-radius:5px; border-bottom-right-radius:0; border-bottom-left-radius:0; color:#FFF; background:#2378A1 url(../images/dropdown_arrow_blue.png) no-repeat bottom right; } .dropdown_alignedLeft ul,.dropdown_alignedRight ul { display:none; } #nav .dropdown_alignedLeft:hover>ul,#nav .dropdown_alignedRight:hover>ul { display:block; z-index:100; position:absolute; top:50px; -moz-border-radius-topleft:0; -moz-border-radius-topright:0; -moz-border-radius-bottomright:5px; -moz-border-radius-bottomleft:5px; -webkit-border-top-left-radius:0; -webkit-border-top-right-radius:0; -webkit-border-bottom-right-radius:5px; -webkit-border-bottom-left-radius:5px; border-top-left-radius:0; border-top-right-radius:0; border-bottom-right-radius:5px; border-bottom-left-radius:5px; background:#2378A1; padding:0 0 6px; } #nav .dropdown_alignedRight:hover>ul { top:50px; right:0; text-align:right; } #nav li ul li { float:none; border-bottom:1px dashed #2B95C8; margin:0 20px; } #nav li ul li.dropdown_innerTitle { border:none; font-family:"Helvetica Neue",Arial,sans-serif; font-size:15px; white-space:nowrap; color:#C8DDE7; margin:10px 20px 0; padding:10px 0; } #nav li ul li.dropdown_lastItem { border:none; } #nav li ul li a { font-family:"Helvetica Neue",Arial,sans-serif; font-size:13px; color:#FFF; white-space:nowrap; padding:10px 0 9px; } #nav>li:hover>a,#nav li .current_page { color:#2378A1; background:url(../images/current_page_arrow_blue.png) no-repeat center bottom; } #nav li ul li a:hover { color: #C8DDE7; } For a live version of the menu, please go here: JSFiddle - Live Menu

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• .Net 3.5 Asynchronous Socket Server Performance Problem

  - by iBrAaAa

  I'm developing an Asynchronous Game Server using .Net Socket Asynchronous Model( BeginAccept/EndAccept...etc.) The problem I'm facing is described like that: When I have only one client connected, the server response time is very fast but once a second client connects, the server response time increases too much. I've measured the time from a client sends a message to the server until it gets the reply in both cases. I found that the average time in case of one client is about 17ms and in case of 2 clients about 280ms!!! What I really see is that: When 2 clients are connected and only one of them is moving(i.e. requesting service from the server) it is equivalently equal to the case when only one client is connected(i.e. fast response). However, when the 2 clients move at the same time(i.e. requests service from the server at the same time) their motion becomes very slow (as if the server replies each one of them in order i.e. not simultaneously). Basically, what I am doing is that: When a client requests a permission for motion from the server and the server grants him the request, the server then broadcasts the new position of the client to all the players. So if two clients are moving in the same time, the server is eventually trying to broadcast to both clients the new position of each of them at the same time. EX: Client1 asks to go to position (2,2) Client2 asks to go to position (5,5) Server sends to each of Client1 & Client2 the same two messages: message1: "Client1 at (2,2)" message2: "Client2 at (5,5)" I believe that the problem comes from the fact that Socket class is thread safe according MSDN documentation http://msdn.microsoft.com/en-us/library/system.net.sockets.socket.aspx. (NOT SURE THAT IT IS THE PROBLEM) Below is the code for the server: /// /// This class is responsible for handling packet receiving and sending /// public class NetworkManager { /// /// An integer to hold the server port number to be used for the connections. Its default value is 5000. /// private readonly int port = 5000; /// /// hashtable contain all the clients connected to the server. /// key: player Id /// value: socket /// private readonly Hashtable connectedClients = new Hashtable(); /// /// An event to hold the thread to wait for a new client /// private readonly ManualResetEvent resetEvent = new ManualResetEvent(false); /// /// keeps track of the number of the connected clients /// private int clientCount; /// /// The socket of the server at which the clients connect /// private readonly Socket mainSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); /// /// The socket exception that informs that a client is disconnected /// private const int ClientDisconnectedErrorCode = 10054; /// /// The only instance of this class. /// private static readonly NetworkManager networkManagerInstance = new NetworkManager(); /// /// A delegate for the new client connected event. /// /// the sender object /// the event args public delegate void NewClientConnected(Object sender, SystemEventArgs e); /// /// A delegate for the position update message reception. /// /// the sender object /// the event args public delegate void PositionUpdateMessageRecieved(Object sender, PositionUpdateEventArgs e); /// /// The event which fires when a client sends a position message /// public PositionUpdateMessageRecieved PositionUpdateMessageEvent { get; set; } /// /// keeps track of the number of the connected clients /// public int ClientCount { get { return clientCount; } } /// /// A getter for this class instance. /// /// only instance. public static NetworkManager NetworkManagerInstance { get { return networkManagerInstance; } } private NetworkManager() {} /// Starts the game server and holds this thread alive /// public void StartServer() { //Bind the mainSocket to the server IP address and port mainSocket.Bind(new IPEndPoint(IPAddress.Any, port)); //The server starts to listen on the binded socket with max connection queue //1024 mainSocket.Listen(1024); //Start accepting clients asynchronously mainSocket.BeginAccept(OnClientConnected, null); //Wait until there is a client wants to connect resetEvent.WaitOne(); } /// /// Receives connections of new clients and fire the NewClientConnected event /// private void OnClientConnected(IAsyncResult asyncResult) { Interlocked.Increment(ref clientCount); ClientInfo newClient = new ClientInfo { WorkerSocket = mainSocket.EndAccept(asyncResult), PlayerId = clientCount }; //Add the new client to the hashtable and increment the number of clients connectedClients.Add(newClient.PlayerId, newClient); //fire the new client event informing that a new client is connected to the server if (NewClientEvent != null) { NewClientEvent(this, System.EventArgs.Empty); } newClient.WorkerSocket.BeginReceive(newClient.Buffer, 0, BasePacket.GetMaxPacketSize(), SocketFlags.None, new AsyncCallback(WaitForData), newClient); //Start accepting clients asynchronously again mainSocket.BeginAccept(OnClientConnected, null); } /// Waits for the upcoming messages from different clients and fires the proper event according to the packet type. /// /// private void WaitForData(IAsyncResult asyncResult) { ClientInfo sendingClient = null; try { //Take the client information from the asynchronous result resulting from the BeginReceive sendingClient = asyncResult.AsyncState as ClientInfo; // If client is disconnected, then throw a socket exception // with the correct error code. if (!IsConnected(sendingClient.WorkerSocket)) { throw new SocketException(ClientDisconnectedErrorCode); } //End the pending receive request sendingClient.WorkerSocket.EndReceive(asyncResult); //Fire the appropriate event FireMessageTypeEvent(sendingClient.ConvertBytesToPacket() as BasePacket); // Begin receiving data from this client sendingClient.WorkerSocket.BeginReceive(sendingClient.Buffer, 0, BasePacket.GetMaxPacketSize(), SocketFlags.None, new AsyncCallback(WaitForData), sendingClient); } catch (SocketException e) { if (e.ErrorCode == ClientDisconnectedErrorCode) { // Close the socket. if (sendingClient.WorkerSocket != null) { sendingClient.WorkerSocket.Close(); sendingClient.WorkerSocket = null; } // Remove it from the hash table. connectedClients.Remove(sendingClient.PlayerId); if (ClientDisconnectedEvent != null) { ClientDisconnectedEvent(this, new ClientDisconnectedEventArgs(sendingClient.PlayerId)); } } } catch (Exception e) { // Begin receiving data from this client sendingClient.WorkerSocket.BeginReceive(sendingClient.Buffer, 0, BasePacket.GetMaxPacketSize(), SocketFlags.None, new AsyncCallback(WaitForData), sendingClient); } } /// /// Broadcasts the input message to all the connected clients /// /// public void BroadcastMessage(BasePacket message) { byte[] bytes = message.ConvertToBytes(); foreach (ClientInfo client in connectedClients.Values) { client.WorkerSocket.BeginSend(bytes, 0, bytes.Length, SocketFlags.None, SendAsync, client); } } /// /// Sends the input message to the client specified by his ID. /// /// /// The message to be sent. /// The id of the client to receive the message. public void SendToClient(BasePacket message, int id) { byte[] bytes = message.ConvertToBytes(); (connectedClients[id] as ClientInfo).WorkerSocket.BeginSend(bytes, 0, bytes.Length, SocketFlags.None, SendAsync, connectedClients[id]); } private void SendAsync(IAsyncResult asyncResult) { ClientInfo currentClient = (ClientInfo)asyncResult.AsyncState; currentClient.WorkerSocket.EndSend(asyncResult); } /// Fires the event depending on the type of received packet /// /// The received packet. void FireMessageTypeEvent(BasePacket packet) { switch (packet.MessageType) { case MessageType.PositionUpdateMessage: if (PositionUpdateMessageEvent != null) { PositionUpdateMessageEvent(this, new PositionUpdateEventArgs(packet as PositionUpdatePacket)); } break; } } } The events fired are handled in a different class, here are the event handling code for the PositionUpdateMessage (Other handlers are irrelevant): private readonly Hashtable onlinePlayers = new Hashtable(); /// /// Constructor that creates a new instance of the GameController class. /// private GameController() { //Start the server server = new Thread(networkManager.StartServer); server.Start(); //Create an event handler for the NewClientEvent of networkManager networkManager.PositionUpdateMessageEvent += OnPositionUpdateMessageReceived; } /// /// this event handler is called when a client asks for movement. /// private void OnPositionUpdateMessageReceived(object sender, PositionUpdateEventArgs e) { Point currentLocation = ((PlayerData)onlinePlayers[e.PositionUpdatePacket.PlayerId]).Position; Point locationRequested = e.PositionUpdatePacket.Position; ((PlayerData)onlinePlayers[e.PositionUpdatePacket.PlayerId]).Position = locationRequested; // Broadcast the new position networkManager.BroadcastMessage(new PositionUpdatePacket { Position = locationRequested, PlayerId = e.PositionUpdatePacket.PlayerId }); }

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• how to display bitmaps in listview?

  - by mary

  hi i want to show images downloaded in listview.images downloaded with function DownloadImage and are as bitmap.how to show in listview . name photoes with book_id in tabel book are aqual.i want each book has its own image. i can show in listview book_name and book_price just the problem with image book please help me class: package bookstore.category; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLConnection; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import org.apache.http.NameValuePair; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Typeface; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.widget.ImageView; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.SimpleAdapter; import bookstore.pack.JSONParser; import bookstore.pack.R; import android.app.Activity; import android.app.ProgressDialog; public class Computer extends Activity { Bitmap bm = null; // progress dialog private ProgressDialog pDialog; // Creating JSON Parser object JSONParser jParser = new JSONParser(); ArrayList<HashMap<String, String>> computerBookList; private static String url_books = "http://10.0.2.2/project/computer.php"; // JSON Node names private static final String TAG_SUCCESS = "success"; private static final String TAG_BOOK = "book"; private static final String TAG_BOOK_NAME = "book_name"; private static final String TAG_BOOK_PRICE = "book_price"; private static final String TAG_BOOK_ID = "book_id"; private static final String TAG_MESSAGE = "massage"; // category JSONArray JSONArray book = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.category); Typeface font1 = Typeface.createFromAsset(getAssets(), "font/bnazanin.TTF"); // Hashmap for ListView computerBookList = new ArrayList<HashMap<String, String>>(); new LoadBook().execute(); } class LoadBook extends AsyncTask<String, String, String> { /** * Before starting background thread Show Progress Dialog * */ @Override protected void onPreExecute() { super.onPreExecute(); pDialog = new ProgressDialog(Computer.this); pDialog.setMessage("Please wait..."); pDialog.setIndeterminate(false); pDialog.setCancelable(false); pDialog.show(); } protected String doInBackground(String... args) { // Building Parameters List<NameValuePair> params = new ArrayList<NameValuePair>(); // getting JSON string from URL JSONObject json = jParser.makeHttpRequest(url_books, "GET", params); // Check your log cat for JSON reponse Log.d("book:", json.toString()); try { // Checking for SUCCESS TAG int success = json.getInt(TAG_SUCCESS); if (success == 1) { DownloadImage("10.0.2.2/project/images/100.png"); DownloadImage("10.0.2.2/project/images/101.png"); DownloadImage("10.0.2.2/project/images/102.png"); DownloadImage("10.0.2.2/project/images/103.png"); DownloadImage("10.0.2.2/project/images/104.png"); DownloadImage("10.0.2.2/project/images/105.png"); DownloadImage("10.0.2.2/project/images/106.png"); DownloadImage("10.0.2.2/project/images/107.png"); DownloadImage("10.0.2.2/project/images/108.png"); DownloadImage("10.0.2.2/project/images/109.png"); DownloadImage("10.0.2.2/project/images/110.png"); // books found book = json.getJSONArray(TAG_BOOK); for (int i = 0; i < book.length(); i++) { JSONObject c = book.getJSONObject(i); // Storing each json item in variable String book_name = c.getString(TAG_BOOK_NAME); String book_price = c.getString(TAG_BOOK_PRICE); String book_id = c.getString(TAG_BOOK_ID); // creating new HashMap HashMap<String, String> map = new HashMap<String, String>(); // adding each child node to HashMap key => value map.put(TAG_BOOK_NAME, book_name); map.put(TAG_BOOK_PRICE, book_price); // map.put(TAG_AUTHOR_NAME, author_name); // adding HashList to ArrayList computerBookList.add(map); } return json.getString(TAG_MESSAGE); } else { System.out.println("no book found"); } } catch (JSONException e) { e.printStackTrace(); } return null; } /** * After completing background task Dismiss the progress dialog * **/ protected void onPostExecute(String file_url) { pDialog.dismiss(); // updating UI from Background Thread runOnUiThread(new Runnable() { ListView view1 = (ListView) findViewById(R.id.list_view); public void run() { ImageView iv = (ImageView) findViewById(R.id.list_image); // bm=BitmapFactory.decodeResource(getResources(), resId); //bm=BitmapFactory.decodeResource(null,R.id.list_image); // iv.setImageBitmap(bm); /* * */ /** * Updating parsed JSON data into ListView * */ ListAdapter adapter = new SimpleAdapter(Computer.this, computerBookList, R.layout.search_item, new String[] { TAG_BOOK_NAME, TAG_BOOK_PRICE }, new int[] { R.id.book_name, R.id.book_price }); view1.setAdapter(adapter); } }); } } private Bitmap DownloadImage(String URL) { Bitmap bitmap = null; InputStream in = null; try { in = OpenHttpConnection(URL); bitmap = BitmapFactory.decodeStream(in); in.close(); } catch (IOException e1) { e1.printStackTrace(); } return bitmap; } private InputStream OpenHttpConnection(String urlString) throws IOException { InputStream in = null; int response = -1; URL url = new URL(urlString); URLConnection conn = url.openConnection(); if (!(conn instanceof HttpURLConnection)) throw new IOException("Not an HTTP connection"); try { HttpURLConnection httpConn = (HttpURLConnection) conn; httpConn.setAllowUserInteraction(false); httpConn.setInstanceFollowRedirects(true); httpConn.setRequestMethod("GET"); httpConn.connect(); response = httpConn.getResponseCode(); if (response == HttpURLConnection.HTTP_OK) { in = httpConn.getInputStream(); } } catch (Exception ex) { throw new IOException("Error connecting"); } return in; } }

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• Uploading multiple files using Spring MVC 3.0.2 after HiddenHttpMethodFilter has been enabled

  - by Tiny

  I'm using Spring version 3.0.2. I need to upload multiple files using the multiple="multiple" attribute of a file browser such as, <input type="file" id="myFile" name="myFile" multiple="multiple"/> (and not using multiple file browsers something like the one stated by this answer, it indeed works I tried). Although no versions of Internet Explorer supports this approach unless an appropriate jQuery plugin/widget is used, I don't care about it right now (since most other browsers support this). This works fine with commons fileupload but in addition to using RequestMethod.POST and RequestMethod.GET methods, I also want to use other request methods supported and suggested by Spring like RequestMethod.PUT and RequestMethod.DELETE in their own appropriate places. For this to be so, I have configured Spring with HiddenHttpMethodFilter which goes fine as this question indicates. but it can upload only one file at a time even though multiple files in the file browser are chosen. In the Spring controller class, a method is mapped as follows. @RequestMapping(method={RequestMethod.POST}, value={"admin_side/Temp"}) public String onSubmit(@RequestParam("myFile") List<MultipartFile> files, @ModelAttribute("tempBean") TempBean tempBean, BindingResult error, Map model, HttpServletRequest request, HttpServletResponse response) throws IOException, FileUploadException { for(MultipartFile file:files) { System.out.println(file.getOriginalFilename()); } } Even with the request parameter @RequestParam("myFile") List<MultipartFile> files which is a List of type MultipartFile (it can always have only one file at a time). I could find a strategy which is likely to work with multiple files on this blog. I have gone through it carefully. The solution below the section SOLUTION 2 – USE THE RAW REQUEST says, If however the client insists on using the same form input name such as ‘files[]‘ or ‘files’ and then populating that name with multiple files then a small hack is necessary as follows. As noted above Spring 2.5 throws an exception if it detects the same form input name of type file more than once. CommonsFileUploadSupport – the class which throws that exception is not final and the method which throws that exception is protected so using the wonders of inheritance and subclassing one can simply fix/modify the logic a little bit as follows. The change I’ve made is literally one word representing one method invocation which enables us to have multiple files incoming under the same form input name. It attempts to override the method protected MultipartParsingResult parseFileItems(List fileItems, String encoding) {} of the abstract class CommonsFileUploadSupport by extending the class CommonsMultipartResolver such as, package multipartResolver; import java.io.UnsupportedEncodingException; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.servlet.ServletContext; import org.apache.commons.fileupload.FileItem; import org.springframework.util.StringUtils; import org.springframework.web.multipart.MultipartException; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.commons.CommonsMultipartFile; import org.springframework.web.multipart.commons.CommonsMultipartResolver; final public class MultiCommonsMultipartResolver extends CommonsMultipartResolver { public MultiCommonsMultipartResolver() { } public MultiCommonsMultipartResolver(ServletContext servletContext) { super(servletContext); } @Override @SuppressWarnings("unchecked") protected MultipartParsingResult parseFileItems(List fileItems, String encoding) { Map<String, MultipartFile> multipartFiles = new HashMap<String, MultipartFile>(); Map multipartParameters = new HashMap(); // Extract multipart files and multipart parameters. for (Iterator it = fileItems.iterator(); it.hasNext();) { FileItem fileItem = (FileItem) it.next(); if (fileItem.isFormField()) { String value = null; if (encoding != null) { try { value = fileItem.getString(encoding); } catch (UnsupportedEncodingException ex) { if (logger.isWarnEnabled()) { logger.warn("Could not decode multipart item '" + fileItem.getFieldName() + "' with encoding '" + encoding + "': using platform default"); } value = fileItem.getString(); } } else { value = fileItem.getString(); } String[] curParam = (String[]) multipartParameters.get(fileItem.getFieldName()); if (curParam == null) { // simple form field multipartParameters.put(fileItem.getFieldName(), new String[] { value }); } else { // array of simple form fields String[] newParam = StringUtils.addStringToArray(curParam, value); multipartParameters.put(fileItem.getFieldName(), newParam); } } else { // multipart file field CommonsMultipartFile file = new CommonsMultipartFile(fileItem); if (multipartFiles.put(fileItem.getName(), file) != null) { throw new MultipartException("Multiple files for field name [" + file.getName() + "] found - not supported by MultipartResolver"); } if (logger.isDebugEnabled()) { logger.debug("Found multipart file [" + file.getName() + "] of size " + file.getSize() + " bytes with original filename [" + file.getOriginalFilename() + "], stored " + file.getStorageDescription()); } } } return new MultipartParsingResult(multipartFiles, multipartParameters); } } What happens is that the last line in the method parseFileItems() (the return statement) i.e. return new MultipartParsingResult(multipartFiles, multipartParameters); causes a compile-time error because the first parameter multipartFiles is a type of Map implemented by HashMap but in reality, it requires a parameter of type MultiValueMap<String, MultipartFile> It is a constructor of a static class inside the abstract class CommonsFileUploadSupport, public abstract class CommonsFileUploadSupport { protected static class MultipartParsingResult { public MultipartParsingResult(MultiValueMap<String, MultipartFile> mpFiles, Map<String, String[]> mpParams) { } } } The reason might be - this solution is about the Spring version 2.5 and I'm using the Spring version 3.0.2 which might be inappropriate for this version. I however tried to replace the Map with MultiValueMap in various ways such as the one shown in the following segment of code, MultiValueMap<String, MultipartFile>mul=new LinkedMultiValueMap<String, MultipartFile>(); for(Entry<String, MultipartFile>entry:multipartFiles.entrySet()) { mul.add(entry.getKey(), entry.getValue()); } return new MultipartParsingResult(mul, multipartParameters); but no success. I'm not sure how to replace Map with MultiValueMap and even doing so could work either. After doing this, the browser shows the Http response, HTTP Status 400 - type Status report message description The request sent by the client was syntactically incorrect (). Apache Tomcat/6.0.26 I have tried to shorten the question as possible as I could and I haven't included unnecessary code. How could be made it possible to upload multiple files after Spring has been configured with HiddenHttpMethodFilter? That blog indicates that It is a long standing, high priority bug. If there is no solution regarding the version 3.0.2 (3 or higher) then I have to disable Spring support forever and continue to use commons-fileupolad as suggested by the third solution on that blog omitting the PUT, DELETE and other request methods forever. Just curiously waiting for a solution and/or suggestion. Very little changes to the code in the parseFileItems() method inside the class MultiCommonsMultipartResolver might make it to upload multiple files but I couldn't succeed in my attempts (again with the Spring version 3.0.2 (3 or higher)).

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• NetworkOnMainThreadException while using AsyncTask

  - by Fansher

  Im making an app that uses the internet to retrive information. I get an NetworkOnMainThreadException as i tried to run it on 3.0 and above and have therefore tried to set it up using AsyncTask, but it still gives the exception and i don't know what is wrong. Oddly enough i read on this thread Android NetworkOnMainThreadException inside of AsyncTask that if you just removes the android:targetSdkVersion="10" statement from the manifest file it will be able to run. This works but i don't find it as the right solution to solve the problem this way. So if anyone can tell me what im doing wrong with the AsyncTask i will really appriciate it. Also if there is anybody that knows why removing the statement in the manifest makes it work, im really interested in that also. My code looks like this: public class MainActivity extends Activity { static ArrayList<Tumblr> tumblrs; ListView listView; TextView footer; int offset = 0; ProgressDialog pDialog; View v; String responseBody = null; HttpResponse r; HttpEntity e; String searchUrl; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); final ConnectivityManager conMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); final NetworkInfo activeNetwork = conMgr.getActiveNetworkInfo(); if (activeNetwork != null && activeNetwork.isConnected()) { setContentView(R.layout.main); try { tumblrs = getTumblrs(); listView = (ListView) findViewById(R.id.list); View v = getLayoutInflater().inflate(R.layout.footer_layout, null); footer = (TextView) v.findViewById(R.id.tvFoot); listView.addFooterView(v); listView.setAdapter(new UserItemAdapter(this, R.layout.listitem)); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (JSONException e) { e.printStackTrace(); } new GetChicks().execute(); footer.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { new loadMoreListView().execute(); } }); } else { setContentView(R.layout.nonet); } } public class UserItemAdapter extends ArrayAdapter<Tumblr> { public UserItemAdapter(Context context, int imageViewResourceId) { super(context, imageViewResourceId, tumblrs); } @Override public View getView(int position, View convertView, ViewGroup parent) { View v = convertView; if (v == null) { LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); v = vi.inflate(R.layout.listitem, null); } Tumblr tumblr = tumblrs.get(position); if (tumblr != null) { ImageView image = (ImageView) v.findViewById(R.id.avatar); if (image != null) { image.setImageBitmap(getBitmap(tumblr.image_url)); } } return v; } } public Bitmap getBitmap(String bitmapUrl) { try { URL url = new URL(bitmapUrl); return BitmapFactory.decodeStream(url.openConnection() .getInputStream()); } catch (Exception ex) { return null; } } public ArrayList<Tumblr> getTumblrs() throws ClientProtocolException, IOException, JSONException { searchUrl = "http://api.tumblr.com/v2/blog/"webside"/posts?api_key=API_KEY"; ArrayList<Tumblr> tumblrs = new ArrayList<Tumblr>(); return tumblrs; } private class GetChicks extends AsyncTask<Void, Void, Void> { @Override protected Void doInBackground(Void... unused) { // TODO Auto-generated method stub runOnUiThread(new Runnable() { public void run() { HttpClient client = new DefaultHttpClient(); HttpGet get = new HttpGet(searchUrl); HttpResponse r = null; try { r = client.execute(get); int status = r.getStatusLine().getStatusCode(); if (status == 200) { e = r.getEntity(); responseBody = EntityUtils.toString(e); } } catch (ClientProtocolException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } JSONObject jsonObject; try { jsonObject = new JSONObject(responseBody); JSONArray posts = jsonObject.getJSONObject("response") .getJSONArray("posts"); for (int i = 0; i < posts.length(); i++) { JSONArray photos = posts.getJSONObject(i) .getJSONArray("photos"); for (int j = 0; j < photos.length(); j++) { JSONObject photo = photos.getJSONObject(j); String url = photo.getJSONArray("alt_sizes") .getJSONObject(0).getString("url"); Tumblr tumblr = new Tumblr(url); tumblrs.add(tumblr); } } } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); return null; } } public class Tumblr { public String image_url; public Tumblr(String url) { this.image_url = url; } } private class loadMoreListView extends AsyncTask<Void, Void, Void> { @Override protected void onPreExecute() { // Showing progress dialog before sending http request pDialog = new ProgressDialog(MainActivity.this); pDialog.setMessage("More chicks coming up.."); pDialog.setIndeterminate(true); pDialog.setCancelable(false); pDialog.show(); } @Override protected Void doInBackground(Void... unused) { // TODO Auto-generated method stub runOnUiThread(new Runnable() { public void run() { // increment current page offset += 2; // Next page request tumblrs.clear(); String searchUrl = "http://api.tumblr.com/v2/blog/"webside"/posts?api_key=API_KEY&limit=2 + offset; HttpClient client = new DefaultHttpClient(); HttpGet get = new HttpGet(searchUrl); HttpResponse r = null; try { r = client.execute(get); int status = r.getStatusLine().getStatusCode(); if (status == 200) { HttpEntity e = r.getEntity(); responseBody = EntityUtils.toString(e); } } catch (ClientProtocolException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } JSONObject jsonObject; try { jsonObject = new JSONObject(responseBody); JSONArray posts = jsonObject.getJSONObject("response") .getJSONArray("posts"); for (int i = 0; i < posts.length(); i++) { JSONArray photos = posts.getJSONObject(i) .getJSONArray("photos"); for (int j = 0; j < photos.length(); j++) { JSONObject photo = photos.getJSONObject(j); String url = photo.getJSONArray("alt_sizes") .getJSONObject(0).getString("url"); Tumblr tumblr = new Tumblr(url); tumblrs.add(tumblr); } } } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } // Setting new scroll position listView.setSelectionFromTop(0, 0); } }); return null; } protected void onPostExecute(Void unused) { pDialog.dismiss(); } } @Override public boolean onCreateOptionsMenu(android.view.Menu menu) { // TODO Auto-generated method stub super.onCreateOptionsMenu(menu); MenuInflater blowUp = getMenuInflater(); blowUp.inflate(R.menu.cool_menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // TODO Auto-generated method stub switch (item.getItemId()) { case R.id.aboutUs: Intent i = new Intent("com.example.example.ABOUT"); startActivity(i); break; case R.id.refresh: Intent f = new Intent(MainActivity.this, MainActivity.class); startActivity(f); finish(); break; case R.id.exit: finish(); break; } return false; } } Thanks for helping out.

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• Criticize my code, please

  - by Micky

  Hey, I was applying for a position, and they asked me to complete a coding problem for them. I did so and submitted it, but I later found out I was rejected from the position. Anyways, I have an eclectic programming background so I'm not sure if my code is grossly wrong or if I just didn't have the best solution out there. I would like to post my code and get some feedback about it. Before I do, here's a description of a problem: You are given a sorted array of integers, say, {1, 2, 4, 4, 5, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 11, 13 }. Now you are supposed to write a program (in C or C++, but I chose C) that prompts the user for an element to search for. The program will then search for the element. If it is found, then it should return the first index the entry was found at and the number of instances of that element. If the element is not found, then it should return "not found" or something similar. Here's a simple run of it (with the array I just put up): Enter a number to search for: 4 4 was found at index 2. There are 2 instances for 4 in the array. Enter a number to search for: -4. -4 is not in the array. They made a comment that my code should scale well with large arrays (so I wrote up a binary search). Anyways, my code basically runs as follows: Prompts user for input. Then it checks if it is within bounds (bigger than a[0] in the array and smaller than the largest element of the array). If so, then I perform a binary search. If the element is found, then I wrote two while loops. One while loop will count to the left of the element found, and the second while loop will count to the right of the element found. The loops terminate when the adjacent elements do not match with the desired value. EX: 4, 4, 4, 4, 4 The bold 4 is the value the binary search landed on. One loop will check to the left of it, and another loop will check to the right of it. Their sum will be the total number of instances of the the number four. Anyways, I don't know if there are any advanced techniques that I am missing or if I just don't have the CS background and made a big error. Any constructive critiques would be appreciated! #include <stdio.h> #include <stdlib.h> #include <string.h> #include <stddef.h> /* function prototype */ int get_num_of_ints( const int* arr, size_t r, int N, size_t* first, size_t* count ); int main() { int N; /* input variable */ int arr[]={1,1,2,3,3,4,4,4,4,5,5,7,7,7,7,8,8,8,9,11,12,12}; /* array of sorted integers */ size_t r = sizeof(arr)/sizeof(arr[0]); /* right bound */ size_t first; /* first match index */ size_t count; /* total number of matches */ /* prompts the user to enter input */ printf( "\nPlease input the integer you would like to find.\n" ); scanf( "%d", &N ); int a = get_num_of_ints( arr, r, N, &first, &count ); /* If the function returns -1 then the value is not found. Else it is returned */ if( a == -1) printf( "%d has not been found.\n", N ); else if(a >= 0){ printf( "The first matching index is %d.\n", first ); printf( "The total number of instances is %d.\n", count ); } return 0; } /* function definition */ int get_num_of_ints( const int* arr, size_t r, int N, size_t* first, size_t* count ) { int lo=0; /* lower bound for search */ int m=0; /* middle value obtained */ int hi=r-1; /* upper bound for search */ int w=r-1; /* used as a fixed upper bound to calculate the number of right instances of a particular value. */ /* binary search to find if a value exists */ /* first check if the element is out of bounds */ if( N < arr[0] || arr[hi] < N ){ m = -1; } else{ /* binary search to find a value, if it exists, within given parameters */ while(lo <= hi){ m = (hi + lo)/2; if(arr[m] < N) lo = m+1; else if(arr[m] > N) hi = m-1; else if(arr[m]==N){ m=m; break; } } if (lo > hi) /* if it doesn't we assign it -1 */ m = -1; } /* If the value is found, then we compute the left and right instances of it */ if( m >= 0 ){ int j = m-1; /* starting with the first term to the left */ int L = 0; /* total number of left instances */ /* while loop computes total number of left instances */ while( j >= 0 && arr[j] == arr[m] ){ L++; j--; } /* There are six possible outcomes of this. Depending on the outcome, we must assign the first index variable accordingly */ if( j > 0 && L > 0 ) *first=j+1; else if( j==0 && L==0) *first=m; else if( j > 0 && L==0 ) *first=m; else if(j < 0 && L==0 ) *first=m; else if( j < 0 && L > 0 ) *first=0; else if( j=0 && L > 0 ) *first=j+1; int h = m + 1; /* starting with the first term to the right */ int R = 0; /* total number of right instances */ /* while loop computes total number of right instances */ /* we fixed w earlier so that it's value does not change */ while( arr[h]==arr[m] && h <= w ){ R++; h++; } *count = (R + L + 1); /* total number of instances stored as value of count */ return *first; /* first instance index stored here */ } /* if value does not exist, then we return a negative value */ else if( m==-1) return -1; }

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• Matlab code works with one version but not the other

  - by user1325655

  I have a code that works in Matlab version R2010a but shows errors in matlab R2008a. I am trying to implement a self organizing fuzzy neural network with extended kalman filter. I have the code running but it only works in matlab version R2010a. It doesn't work with other versions. Any help? Code attach function [ c, sigma , W_output ] = SOFNN( X, d, Kd ) %SOFNN Self-Organizing Fuzzy Neural Networks %Input Parameters % X(r,n) - rth traning data from nth observation % d(n) - the desired output of the network (must be a row vector) % Kd(r) - predefined distance threshold for the rth input %Output Parameters % c(IndexInputVariable,IndexNeuron) % sigma(IndexInputVariable,IndexNeuron) % W_output is a vector %Setting up Parameters for SOFNN SigmaZero=4; delta=0.12; threshold=0.1354; k_sigma=1.12; %For more accurate results uncomment the following %format long; %Implementation of a SOFNN model [size_R,size_N]=size(X); %size_R - the number of input variables c=[]; sigma=[]; W_output=[]; u=0; % the number of neurons in the structure Q=[]; O=[]; Psi=[]; for n=1:size_N x=X(:,n); if u==0 % No neuron in the structure? c=x; sigma=SigmaZero*ones(size_R,1); u=1; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); pT_n=GetMeGreatPsi(x,Psi(n,:))'; else [Q,O,pT_n] = UpdateStructureRecursively(X,Psi,Q,O,d,n); end; KeepSpinning=true; while KeepSpinning %Calculate the error and if-part criteria ae=abs(d(n)-pT_n*O); %approximation error [phi,~]=GetMePhi(x,c,sigma); [maxphi,maxindex]=max(phi); % maxindex refers to the neuron's index if ae>delta if maxphi<threshold %enlarge width [minsigma,minindex]=min(sigma(:,maxindex)); sigma(minindex,maxindex)=k_sigma*minsigma; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); pT_n=GetMeGreatPsi(x,Psi(n,:))'; else %Add a new neuron and update structure ctemp=[]; sigmatemp=[]; dist=0; for r=1:size_R dist=abs(x(r)-c(r,1)); distIndex=1; for j=2:u if abs(x(r)-c(r,j))<dist distIndex=j; dist=abs(x(r)-c(r,j)); end; end; if dist<=Kd(r) ctemp=[ctemp; c(r,distIndex)]; sigmatemp=[sigmatemp ; sigma(r,distIndex)]; else ctemp=[ctemp; x(r)]; sigmatemp=[sigmatemp ; dist]; end; end; c=[c ctemp]; sigma=[sigma sigmatemp]; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); KeepSpinning=false; u=u+1; end; else if maxphi<threshold %enlarge width [minsigma,minindex]=min(sigma(:,maxindex)); sigma(minindex,maxindex)=k_sigma*minsigma; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); pT_n=GetMeGreatPsi(x,Psi(n,:))'; else %Do nothing and exit the while KeepSpinning=false; end; end; end; end; W_output=O; end function [Q_next, O_next,pT_n] = UpdateStructureRecursively(X,Psi,Q,O,d,n) %O=O(t-1) O_next=O(t) p_n=GetMeGreatPsi(X(:,n),Psi(n,:)); pT_n=p_n'; ee=abs(d(n)-pT_n*O); %|e(t)| temp=1+pT_n*Q*p_n; ae=abs(ee/temp); if ee>=ae L=Q*p_n*(temp)^(-1); Q_next=(eye(length(Q))-L*pT_n)*Q; O_next=O + L*ee; else Q_next=eye(length(Q))*Q; O_next=O; end; end function [ Q , O ] = UpdateStructure(X,Psi,d) GreatPsiBig = GetMeGreatPsi(X,Psi); %M=u*(r+1) %n - the number of observations [M,~]=size(GreatPsiBig); %Others Ways of getting Q=[P^T(t)*P(t)]^-1 %************************************************************************** %opts.SYM = true; %Q = linsolve(GreatPsiBig*GreatPsiBig',eye(M),opts); % %Q = inv(GreatPsiBig*GreatPsiBig'); %Q = pinv(GreatPsiBig*GreatPsiBig'); %************************************************************************** Y=GreatPsiBig\eye(M); Q=GreatPsiBig'\Y; O=Q*GreatPsiBig*d'; end %This function works too with x % (X=X and Psi is a Matrix) - Gets you the whole GreatPsi % (X=x and Psi is the row related to x) - Gets you just the column related with the observation function [GreatPsi] = GetMeGreatPsi(X,Psi) %Psi - In a row you go through the neurons and in a column you go through number of %observations **** Psi(#obs,IndexNeuron) **** GreatPsi=[]; [N,U]=size(Psi); for n=1:N x=X(:,n); GreatPsiCol=[]; for u=1:U GreatPsiCol=[ GreatPsiCol ; Psi(n,u)*[1; x] ]; end; GreatPsi=[GreatPsi GreatPsiCol]; end; end function [phi, SumPhi]=GetMePhi(x,c,sigma) [r,u]=size(c); %u - the number of neurons in the structure %r - the number of input variables phi=[]; SumPhi=0; for j=1:u % moving through the neurons S=0; for i=1:r % moving through the input variables S = S + ((x(i) - c(i,j))^2) / (2*sigma(i,j)^2); end; phi = [phi exp(-S)]; SumPhi = SumPhi + phi(j); %phi(u)=exp(-S) end; end %This function works too with x, it will give you the row related to x function [Psi] = GetMePsi(X,c,sigma) [~,u]=size(c); [~,size_N]=size(X); %u - the number of neurons in the structure %size_N - the number of observations Psi=[]; for n=1:size_N [phi, SumPhi]=GetMePhi(X(:,n),c,sigma); PsiTemp=[]; for j=1:u %PsiTemp is a row vector ex: [1 2 3] PsiTemp(j)=phi(j)/SumPhi; end; Psi=[Psi; PsiTemp]; %Psi - In a row you go through the neurons and in a column you go through number of %observations **** Psi(#obs,IndexNeuron) **** end; end

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• PHP 'Years' array

  - by J M 4

  I am trying to create an array for years which i will use in the DOB year piece of a form I am building. Currently, I know there are two ways to handle the issue but I don't really care for either: 1) Range: I know I can create a year array using the following <?php $year = range(1910,date("Y")); $_SESSION['years_arr'] = $year; ?> the problem with Point 1 is two fold: a) my function call shows the first year as 'selected' instead of "Year" as I have as option="0", and b) I want the years reversed so 2010 is the first in the least and shown decreasing. My function call is: PHP <?php function showOptionsDrop($array, $active, $echo=true){ $string = ''; foreach($array as $k => $v){ $s = ($active == $k)? ' selected="selected"' : ''; $string .= '<option value="'.$k.'"'.$s.'>'.$v.'</option>'."\n"; } if($echo) echo $string; else return $string; } ?> HTML <table> <tr> <td>State:</td> <td><select name="F1State"><option value="0">Choose a year</option><?php showOptionsDrop($_SESSION['years_arr'], null, true); ?></select> </td> </tr> </table> 2) Long Array I know i can physically create an array with years listed out but this takes up a lot of space and time if I ever want to go back and modify. ex: PHP $years = array('1900'=>"1900", '1901'=>"1901", '1902'=>"1902", '1903'=>"1903", '1904'=>"1904", '1905'=>"1905", '1906'=>"1906", '1907'=>"1907", '1908'=>"1908", '1909'=>"1909", '1910'=>"1910", '1911'=>"1911", '1912'=>"1912", '1913'=>"1913", '1914'=>"1914", '1915'=>"1915", '1916'=>"1916", '1917'=>"1917", '1918'=>"1918", '1919'=>"1919", '1920'=>"1920", '1921'=>"1921", '1922'=>"1922", '1923'=>"1923", '1924'=>"1924", '1925'=>"1925", '1926'=>"1926", '1927'=>"1927", '1928'=>"1928", '1929'=>"1929", '1930'=>"1930", '1931'=>"1931", '1932'=>"1932", '1933'=>"1933", '1934'=>"1934", '1935'=>"1935", '1936'=>"1936", '1937'=>"1937", '1938'=>"1938", '1939'=>"1939", '1940'=>"1940", '1941'=>"1941", '1942'=>"1942", '1943'=>"1943", '1944'=>"1944", '1945'=>"1945", '1946'=>"1946", '1947'=>"1947", '1948'=>"1948", '1949'=>"1949", '1950'=>"1950", '1951'=>"1951", '1952'=>"1952", '1953'=>"1953", '1954'=>"1954", '1955'=>"1955", '1956'=>"1956", '1957'=>"1957", '1958'=>"1958", '1959'=>"1959", '1960'=>"1960", '1961'=>"1961", '1962'=>"1962", '1963'=>"1963", '1964'=>"1964", '1965'=>"1965", '1966'=>"1966", '1967'=>"1967", '1968'=>"1968", '1969'=>"1969", '1970'=>"1970", '1971'=>"1971", '1972'=>"1972", '1973'=>"1973", '1974'=>"1974", '1975'=>"1975", '1976'=>"1976", '1977'=>"1977", '1978'=>"1978", '1979'=>"1979", '1980'=>"1980", '1981'=>"1981", '1982'=>"1982", '1983'=>"1983", '1984'=>"1984", '1985'=>"1985", '1986'=>"1986", '1987'=>"1987", '1988'=>"1988", '1989'=>"1989", '1990'=>"1990", '1991'=>"1991", '1992'=>"1992", '1993'=>"1993", '1994'=>"1994", '1995'=>"1995", '1996'=>"1996", '1997'=>"1997", '1998'=>"1998", '1999'=>"1999", '2000'=>"2000", '2001'=>"2001", '2002'=>"2002", '2003'=>"2003", '2004'=>"2004", '2005'=>"2005", '2006'=>"2006", '2007'=>"2007", '2008'=>"2008", '2009'=>"2009", '2010'=>"2010"); $_SESSION['years_arr'] = $years_arr; Does anybody have a recommended idea how to work - or just how to simply modify my existing code? Thank you!

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• how to sort JTable by providing column index externally.

  - by user345940

  I would like to implement sorting on JTable by providing column index externally in program. Here is my sample code in which i have initialize JTable, Add one Column and 30 rows to JTable. After rows has been added i am sorting JTable by providing column index 0 but i could not get sorted data. how can i get my first column in sorted order? what's wrong with my code. **Why sortCTableonColumnIndex() method could not sort data for specify column index? ` public class Test { private JTable oCTable; private DefaultTableModel oDefaultTableModel; private JScrollPane oPane; private JTableHeader oTableHeader; private TableRowSorter sorter; public void adddata() { for (int i = 0; i < 30; i++) { Object[] row = new Object[1]; String sValueA = "A"; String sValueB = "A"; row[0] = ""; if (i % 2 == 0) { if (i < 15) { sValueA = sValueA + sValueA; row[1] = sValueA; } else { if (i == 16) { sValueB = "D"; row[1] = sValueA; } else { sValueB = sValueB + sValueB; row[1] = sValueA; } } } else { if (i < 15) { sValueB = sValueB + sValueB; row[1] = sValueB; } else { if (i == 17) { sValueB = "C"; row[1] = sValueB; } else { sValueB = sValueB + sValueB; row[1] = sValueB; } } } } } public void createTable() { oCTable = new JTable(); oDefaultTableModel = new DefaultTableModel(); oCTable.setModel(oDefaultTableModel); oTableHeader = oCTable.getTableHeader(); oCTable.setAutoResizeMode(oCTable.AUTO_RESIZE_OFF); oCTable.setFillsViewportHeight(true); JTable oTable = new LineNumberTable(oCTable); oPane = new JScrollPane(oCTable); oPane.setRowHeaderView(oTable); JPanel oJPanel = new JPanel(); oJPanel.setLayout(new BorderLayout()); oJPanel.add(oPane, BorderLayout.CENTER); JDialog oDialog = new JDialog(); oDialog.add(oJPanel); oDialog.setPreferredSize(new Dimension(500, 300)); oDialog.pack(); oDialog.setVisible(true); } public void insert() { oDefaultTableModel.addColumn("Name"); int iColumnPlace = ((DefaultTableModel) oCTable.getModel()).findColumn("Name"); CellRendererForRowHeader oCellRendererForRowHeader = new CellRendererForRowHeader(); TableColumn Column = oCTable.getColumn(oTableHeader.getColumnModel().getColumn(iColumnPlace).getHeaderValue()); Column.setPreferredWidth(300); Column.setMaxWidth(300); Column.setMinWidth(250); Column.setCellRenderer(oCellRendererForRowHeader); for (int i = 0; i < 30; i++) { Object[] row = new Object[1]; String sValueA = "A"; if (i % 2 == 0) { if (i < 15) { sValueA = sValueA + "a"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { if (i == 16) { sValueA = sValueA + "b"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { sValueA = sValueA + "c"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } } } else { if (i < 15) { sValueA = sValueA + "d"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { if (i == 17) { sValueA = sValueA + "e"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } else { sValueA = sValueA + "f"; oDefaultTableModel.insertRow(oCTable.getRowCount(), new Object[]{""}); oDefaultTableModel.setValueAt(sValueA, i, 0); } } } } } public void showTable() { createTable(); insert(); sortCTableonColumnIndex(0, true); } public void sortCTableonColumnIndex(int iColumnIndex, boolean bIsAsc) { sorter = new TableRowSorter(oDefaultTableModel); List<RowSorter.SortKey> sortKeys = new ArrayList<RowSorter.SortKey>(); if (bIsAsc) { sortKeys.add(new RowSorter.SortKey(iColumnIndex, SortOrder.ASCENDING)); } else { sortKeys.add(new RowSorter.SortKey(iColumnIndex, SortOrder.DESCENDING)); } sorter.setSortKeys(sortKeys); oDefaultTableModel.fireTableStructureChanged(); oCTable.updateUI(); } public static void main(String[] argu) { Test oTest = new Test(); oTest.showTable(); } class CellRendererForRowHeader extends DefaultTableCellRenderer { public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { JLabel label = null; try { label = (JLabel) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); if (column == 0) { label.setBackground(new JLabel().getBackground()); label.setForeground(Color.BLACK); } } catch (RuntimeException ex) { } return label; } } class LineNumberTable extends JTable { private JTable mainTable; public LineNumberTable(JTable table) { super(); mainTable = table; setAutoCreateColumnsFromModel(false); setModel(mainTable.getModel()); setAutoscrolls(false); addColumn(new TableColumn()); getColumnModel().getColumn(0).setCellRenderer(mainTable.getTableHeader().getDefaultRenderer()); getColumnModel().getColumn(0).setPreferredWidth(40); setPreferredScrollableViewportSize(getPreferredSize()); } @Override public boolean isCellEditable(int row, int column) { return false; } @Override public Object getValueAt(int row, int column) { return Integer.valueOf(row + 1); } @Override public int getRowHeight(int row) { return mainTable.getRowHeight(); } } } `

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• Bridge or Factory and How

  - by Chris

  I'm trying to learn patterns and I've got a job that is screaming for a pattern, I just know it but I can't figure it out. I know the filter type is something that can be abstracted and possibly bridged. I'M NOT LOOKING FOR A CODE REWRITE JUST SUGGESTIONS. I'm not looking for someone to do my job. I would like to know how patterns could be applied to this example. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; using System.IO; using System.Xml; using System.Text.RegularExpressions; namespace CopyTool { class CopyJob { public enum FilterType { TextFilter, RegExFilter, NoFilter } public FilterType JobFilterType { get; set; } private string _jobName; public string JobName { get { return _jobName; } set { _jobName = value; } } private int currentIndex; public int CurrentIndex { get { return currentIndex; } } private DataSet ds; public int MaxJobs { get { return ds.Tables["Job"].Rows.Count; } } private string _filter; public string Filter { get { return _filter; } set { _filter = value; } } private string _fromFolder; public string FromFolder { get { return _fromFolder; } set { if (Directory.Exists(value)) { _fromFolder = value; } else { throw new DirectoryNotFoundException(String.Format("Folder not found: {0}", value)); } } } private List<string> _toFolders; public List<string> ToFolders { get { return _toFolders; } } public CopyJob() { Initialize(); } private void Initialize() { if (ds == null) { ds = new DataSet(); } ds.ReadXml(Properties.Settings.Default.ConfigLocation); LoadValues(0); } public void Execute() { ExecuteJob(FromFolder, _toFolders, Filter, JobFilterType); } public void ExecuteAll() { string OrigPath; List<string> DestPaths; string FilterText; FilterType FilterWay; foreach (DataRow rw in ds.Tables["Job"].Rows) { OrigPath = rw["FromFolder"].ToString(); FilterText = rw["FilterText"].ToString(); switch (rw["FilterType"].ToString()) { case "TextFilter": FilterWay = FilterType.TextFilter; break; case "RegExFilter": FilterWay = FilterType.RegExFilter; break; default: FilterWay = FilterType.NoFilter; break; } DestPaths = new List<string>(); foreach (DataRow crw in rw.GetChildRows("Job_ToFolder")) { DestPaths.Add(crw["FolderPath"].ToString()); } ExecuteJob(OrigPath, DestPaths, FilterText, FilterWay); } } private void ExecuteJob(string OrigPath, List<string> DestPaths, string FilterText, FilterType FilterWay) { FileInfo[] files; switch (FilterWay) { case FilterType.RegExFilter: files = GetFilesByRegEx(new Regex(FilterText), OrigPath); break; case FilterType.TextFilter: files = GetFilesByFilter(FilterText, OrigPath); break; default: files = new DirectoryInfo(OrigPath).GetFiles(); break; } foreach (string fld in DestPaths) { CopyFiles(files, fld); } } public void MoveToJob(int RecordNumber) { Save(); LoadValues(RecordNumber - 1); } public void AddToFolder(string folderPath) { if (Directory.Exists(folderPath)) { _toFolders.Add(folderPath); } else { throw new DirectoryNotFoundException(String.Format("Folder not found: {0}", folderPath)); } } public void DeleteToFolder(int index) { _toFolders.RemoveAt(index); } public void Save() { DataRow rw = ds.Tables["Job"].Rows[currentIndex]; rw["JobName"] = _jobName; rw["FromFolder"] = _fromFolder; rw["FilterText"] = _filter; switch (JobFilterType) { case FilterType.RegExFilter: rw["FilterType"] = "RegExFilter"; break; case FilterType.TextFilter: rw["FilterType"] = "TextFilter"; break; default: rw["FilterType"] = "NoFilter"; break; } DataRow[] ToFolderRows = ds.Tables["Job"].Rows[currentIndex].GetChildRows("Job_ToFolder"); for (int i = 0; i <= ToFolderRows.GetUpperBound(0); i++) { ToFolderRows[i].Delete(); } foreach (string fld in _toFolders) { DataRow ToFolderRow = ds.Tables["ToFolder"].NewRow(); ToFolderRow["JobId"] = ds.Tables["Job"].Rows[currentIndex]["JobId"]; ToFolderRow["Job_Id"] = ds.Tables["Job"].Rows[currentIndex]["Job_Id"]; ToFolderRow["FolderPath"] = fld; ds.Tables["ToFolder"].Rows.Add(ToFolderRow); } } public void Delete() { ds.Tables["Job"].Rows.RemoveAt(currentIndex); LoadValues(currentIndex++); } public void MoveNext() { Save(); currentIndex++; LoadValues(currentIndex); } public void MovePrevious() { Save(); currentIndex--; LoadValues(currentIndex); } public void MoveFirst() { Save(); LoadValues(0); } public void MoveLast() { Save(); LoadValues(ds.Tables["Job"].Rows.Count - 1); } public void CreateNew() { Save(); int MaxJobId = 0; Int32.TryParse(ds.Tables["Job"].Compute("Max(JobId)", "").ToString(), out MaxJobId); DataRow rw = ds.Tables["Job"].NewRow(); rw["JobId"] = MaxJobId + 1; ds.Tables["Job"].Rows.Add(rw); LoadValues(ds.Tables["Job"].Rows.IndexOf(rw)); } public void Commit() { Save(); ds.WriteXml(Properties.Settings.Default.ConfigLocation); } private void LoadValues(int index) { if (index > ds.Tables["Job"].Rows.Count - 1) { currentIndex = ds.Tables["Job"].Rows.Count - 1; } else if (index < 0) { currentIndex = 0; } else { currentIndex = index; } DataRow rw = ds.Tables["Job"].Rows[currentIndex]; _jobName = rw["JobName"].ToString(); _fromFolder = rw["FromFolder"].ToString(); _filter = rw["FilterText"].ToString(); switch (rw["FilterType"].ToString()) { case "TextFilter": JobFilterType = FilterType.TextFilter; break; case "RegExFilter": JobFilterType = FilterType.RegExFilter; break; default: JobFilterType = FilterType.NoFilter; break; } if (_toFolders == null) _toFolders = new List<string>(); _toFolders.Clear(); foreach (DataRow crw in rw.GetChildRows("Job_ToFolder")) { AddToFolder(crw["FolderPath"].ToString()); } } private static FileInfo[] GetFilesByRegEx(Regex rgx, string locPath) { DirectoryInfo d = new DirectoryInfo(locPath); FileInfo[] fullFileList = d.GetFiles(); List<FileInfo> filteredList = new List<FileInfo>(); foreach (FileInfo fi in fullFileList) { if (rgx.IsMatch(fi.Name)) { filteredList.Add(fi); } } return filteredList.ToArray(); } private static FileInfo[] GetFilesByFilter(string filter, string locPath) { DirectoryInfo d = new DirectoryInfo(locPath); FileInfo[] fi = d.GetFiles(filter); return fi; } private void CopyFiles(FileInfo[] files, string destPath) { foreach (FileInfo fi in files) { bool success = false; int i = 0; string copyToName = fi.Name; string copyToExt = fi.Extension; string copyToNameWithoutExt = Path.GetFileNameWithoutExtension(fi.FullName); while (!success && i < 100) { i++; try { if (File.Exists(Path.Combine(destPath, copyToName))) throw new CopyFileExistsException(); File.Copy(fi.FullName, Path.Combine(destPath, copyToName)); success = true; } catch (CopyFileExistsException ex) { copyToName = String.Format("{0} ({1}){2}", copyToNameWithoutExt, i, copyToExt); } } } } } public class CopyFileExistsException : Exception { public string Message; } }

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• OpenVPN Error : TLS Error: local/remote TLS keys are out of sync: [AF_INET]

  - by Lucidity

  Fist off thanks for reading this, I appreciate any and all suggestions. I am having some serious problems reconnecting to my OpenVPN client using Riseup.net's VPN. I have spent a few days banging my head against the wall in attempts to set this up on my iOS devices....but that is a whole other issue. I was however able to set it up on my Mac OS X specifically on my Windows Vista 32 bit BootCamp VM with relatively little trouble. To originally connect I only had to modify the recommended Config file very slightly (Config file included at the end of this post): - I had to enter the code directly into my config file - And change "dev tap" to "dev tun" So I was connected. (Note - I did test to ensure the VPN was actually working after I originally connected, it was. Also verified the .pem file (inserted as the coding in my config file) for authenticity). I left the VPN running. My computer went to sleep. Today I went to use the internet expecting (possibly incorrectly - I am now unsure if I was wrong to leave it running) to still be connected to the VPN. However I saw immediately I was not. I went to reconnect. And was (am) unable to. My logs after attempting to connect (and getting a connection failed dialog box) show everything working as it should (as far as I can tell) until the end where I get the following lines: Mon Sep 23 21:07:49 2013 us=276809 Initialization Sequence Completed Mon Sep 23 21:07:49 2013 us=276809 MANAGEMENT: >STATE:1379995669,CONNECTED,SUCCESS, OMITTED Mon Sep 23 21:22:50 2013 us=390350 Authenticate/Decrypt packet error: packet HMAC authentication failed Mon Sep 23 21:23:39 2013 us=862180 TLS Error: local/remote TLS keys are out of sync: [AF_INET] VPN IP OMITTED [2] Mon Sep 23 21:23:57 2013 us=395183 Authenticate/Decrypt packet error: packet HMAC authentication failed Mon Sep 23 22:07:41 2013 us=296898 TLS: soft reset sec=0 bytes=513834601/0 pkts=708032/0 Mon Sep 23 22:07:41 2013 us=671299 VERIFY OK: depth=1, C=US, O=Riseup Networks, L=Seattle, ST=WA, CN=Riseup Networks, [email protected] Mon Sep 23 22:07:41 2013 us=671299 VERIFY OK: depth=0, C=US, O=Riseup Networks, L=Seattle, ST=WA, CN=vpn.riseup.net Mon Sep 23 22:07:46 2013 us=772508 Data Channel Encrypt: Cipher 'BF-CBC' initialized with 128 bit key Mon Sep 23 22:07:46 2013 us=772508 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Sep 23 22:07:46 2013 us=772508 Data Channel Decrypt: Cipher 'BF-CBC' initialized with 128 bit key Mon Sep 23 22:07:46 2013 us=772508 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Mon Sep 23 22:07:46 2013 us=772508 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 2048 bit RSA So I have searched for a solution online and I have included what I have attempted below, however I fear (know) I am not knowledgeable enough in this area to fix this myself. I apologize in advance for my ignorance. I do tech support for a living, but not this kind of tech support unfortunately. Other notes and troubleshooting done - - Windows Firewall is disabled completely, as well as other Anti-virus programs - Tor is disabled completely - No Proxies running - Time is correct in all locations - Router Firmware is up to date - Able to connect to the internet and as far as I can tell all necessary ports are open. - No settings have been altered since I was able to connect successfully. - Ethernet as well as wifi connections attempted, resulted in same error. Also tried adding the following lines to my config file (without success or change in error): persist-key persist-tun proto tcp (after reading that this error generally occurs on UDP connections, and is extremely rare on TCP) resolv-retry infinite (thinking the connection may have timed out since the issues occurred after leaving VPN connected during about 10 hrs of computer in sleep mode) All attempts resulted in exact same error code included at the top of this post. The original suggestions I found online stated - (regarding the TLS Error) - This error should resolve itself within 60 seconds, or if not quit wait 120 seconds and try again. (Which isnt the case here...) (regarding the Out of Sync" error) - If you continue to get "out of sync" errors and the link does not come up, then it means that something is probably wrong with your config file. You must use either ping and ping-restart on both sides of the connection, or keepalive on the server side of a client/server connection, in order to gracefully recover from "local/remote TLS keys are out of sync" errors. I wouldn't be surprised if my config file is lacking, or not correct. However I can confirm I followed the instructions to a tee. And was able to connect originally (and have not modified my settings or config file since I was able to connect to when the error began occurring). I have a very simple config file: client dev tun tun-mtu 1500 remote vpn.riseup.net auth-user-pass ca RiseupCA.pem redirect-gateway verb 4 <ca> -----BEGIN CERTIFICATE----- [OMITTED] -----END CERTIFICATE----- </ca> I would really appreciate any help or suggestions. I am at a total loss here, I know I'm asking a lot here. Though I am a new user on this site I help others on many forums including Microsoft's support community and especially Apple's support communities, so I will definitely pass on anything I learn here to help others. Thanks so so so much in advance for reading this.

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• Juniper SSG-5 subinterface vlan routing to the internet

  - by catfish

  I'm unable to get a brand new Juniper SSG-5 with latest 6.3.0r05 firmware routing to the internet from a subinterface I created on bgroup0 setup as vlan2 (bgroup0.1 on "wifi" zone). When connected on the default vlan it gets on the internet just fine. When I switch to vlan2 I'm unable to get to the internet. I am able to get the correct ip address (10.150.0.0/24) from dhcp, able to get to the juniper management page, etc but nothing past the firewall, can't ping 4.2.2.2 or the internet gateway. Even setting up logging on the wifi-to-untrust policy and it does shows the attempts (it's it's timeouts). 172.31.16.0/24 is the untrusted lan, it's already nat'ed but works fine for testing. Can ping this ip from the default vlan but not from vlan2 192.168.1.0/24 is the trusted main lan 10.150.0.0/24 is the wifi isolated lan on vlan2 The idea is to setup an AP with lan and guest access (AP supports multiple ssid's on different vlans). I know I can setup the juniper to use different ports for the wifi lan and use their procurve switch to do the vlan separation, but I never used vlan'ing on a Juniper firewall and I would like to try it out this way. Here is the complete config file: unset key protection enable set clock timezone -5 set vrouter trust-vr sharable set vrouter "untrust-vr" exit set vrouter "trust-vr" unset auto-route-export exit set alg appleichat enable unset alg appleichat re-assembly enable set alg sctp enable set auth-server "Local" id 0 set auth-server "Local" server-name "Local" set auth default auth server "Local" set auth radius accounting port 1646 set admin name "netscreen" set admin password "xxxxxxxxxxxxxxxx" set admin auth web timeout 10 set admin auth dial-in timeout 3 set admin auth server "Local" set admin format dos set zone "Trust" vrouter "trust-vr" set zone "Untrust" vrouter "trust-vr" set zone "DMZ" vrouter "trust-vr" set zone "VLAN" vrouter "trust-vr" set zone id 100 "Wifi" set zone "Untrust-Tun" vrouter "trust-vr" set zone "Trust" tcp-rst set zone "Untrust" block unset zone "Untrust" tcp-rst set zone "MGT" block unset zone "V1-Trust" tcp-rst unset zone "V1-Untrust" tcp-rst set zone "DMZ" tcp-rst unset zone "V1-DMZ" tcp-rst unset zone "VLAN" tcp-rst unset zone "Wifi" tcp-rst set zone "Untrust" screen tear-drop set zone "Untrust" screen syn-flood set zone "Untrust" screen ping-death set zone "Untrust" screen ip-filter-src set zone "Untrust" screen land set zone "V1-Untrust" screen tear-drop set zone "V1-Untrust" screen syn-flood set zone "V1-Untrust" screen ping-death set zone "V1-Untrust" screen ip-filter-src set zone "V1-Untrust" screen land set interface "ethernet0/0" zone "Untrust" set interface "ethernet0/1" zone "Untrust" set interface "bgroup0" zone "Trust" set interface "bgroup0.1" tag 2 zone "Wifi" set interface "bgroup1" zone "DMZ" set interface bgroup0 port ethernet0/2 set interface bgroup0 port ethernet0/3 set interface bgroup0 port ethernet0/4 set interface bgroup0 port ethernet0/5 set interface bgroup0 port ethernet0/6 unset interface vlan1 ip set interface ethernet0/0 ip 172.31.16.243/24 set interface ethernet0/0 route set interface bgroup0 ip 192.168.1.1/24 set interface bgroup0 nat set interface bgroup0.1 ip 10.150.0.1/24 set interface bgroup0.1 nat set interface bgroup0.1 mtu 1500 unset interface vlan1 bypass-others-ipsec unset interface vlan1 bypass-non-ip set interface ethernet0/0 ip manageable set interface bgroup0 ip manageable set interface bgroup0.1 ip manageable set interface ethernet0/0 manage ping set interface ethernet0/1 manage ping set interface bgroup0.1 manage ping set interface bgroup0.1 manage telnet set interface bgroup0.1 manage web unset interface bgroup1 manage ping set interface bgroup0 dhcp server service set interface bgroup0.1 dhcp server service set interface bgroup0 dhcp server auto set interface bgroup0.1 dhcp server enable set interface bgroup0 dhcp server option gateway 192.168.1.1 set interface bgroup0 dhcp server option netmask 255.255.255.0 set interface bgroup0 dhcp server option dns1 8.8.8.8 set interface bgroup0.1 dhcp server option lease 1440 set interface bgroup0.1 dhcp server option gateway 10.150.0.1 set interface bgroup0.1 dhcp server option netmask 255.255.255.0 set interface bgroup0.1 dhcp server option dns1 8.8.8.8 set interface bgroup0 dhcp server ip 192.168.1.33 to 192.168.1.126 set interface bgroup0.1 dhcp server ip 10.150.0.50 to 10.150.0.100 unset interface bgroup0 dhcp server config next-server-ip unset interface bgroup0.1 dhcp server config next-server-ip set interface "serial0/0" modem settings "USR" init "AT&F" set interface "serial0/0" modem settings "USR" active set interface "serial0/0" modem speed 115200 set interface "serial0/0" modem retry 3 set interface "serial0/0" modem interval 10 set interface "serial0/0" modem idle-time 10 set flow tcp-mss unset flow no-tcp-seq-check set flow tcp-syn-check unset flow tcp-syn-bit-check set flow reverse-route clear-text prefer set flow reverse-route tunnel always set pki authority default scep mode "auto" set pki x509 default cert-path partial set crypto-policy exit set ike respond-bad-spi 1 set ike ikev2 ike-sa-soft-lifetime 60 unset ike ikeid-enumeration unset ike dos-protection unset ipsec access-session enable set ipsec access-session maximum 5000 set ipsec access-session upper-threshold 0 set ipsec access-session lower-threshold 0 set ipsec access-session dead-p2-sa-timeout 0 unset ipsec access-session log-error unset ipsec access-session info-exch-connected unset ipsec access-session use-error-log set url protocol websense exit set policy id 1 from "Trust" to "Untrust" "Any" "Any" "ANY" permit set policy id 1 exit set policy id 2 from "Wifi" to "Untrust" "Any" "Any" "ANY" permit log set policy id 2 exit set nsmgmt bulkcli reboot-timeout 60 set ssh version v2 set config lock timeout 5 unset license-key auto-update set telnet client enable set snmp port listen 161 set snmp port trap 162 set snmpv3 local-engine id "0162122009006149" set vrouter "untrust-vr" exit set vrouter "trust-vr" unset add-default-route set route 0.0.0.0/0 interface ethernet0/0 gateway 172.31.16.1 exit set vrouter "untrust-vr" exit set vrouter "trust-vr" exit

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• Openswan + xl2tpd connections time out after a while

  - by Halfgaar

  I have a non-NATed Openswan+xl2tpd server (Ubuntu 12.04), to which I connect with a Windows 8 behind NAT. The client loses its connection after a while of doing nothing (between 30 and 60 minutes, but I didn't time it). The client doesn't have enabled that it should kill inactive connections. Nor does it ever go into sleep mode. I also tried setting the kill-after-time to 24 hours, but that didn't help. The NAT router behind which the client located is Debian Linux, and its router is a Cisco which connects us directly to the data center where the server is. None of our other connections, like SSH, get dropped with inactivity (because of cheap routers). I did however try turning on the keepalives in /etc/ipsec.conf: config setup (...snip...) nat_traversal=yes force_keepalive=yes keep_alive=10 but that didn't help. As you can see in the config later, dead peer detection's action is clear. That would be a first suggestion to fix, but I need clear, because people will be connecting from everwhere but the kitchen sink. Besides, as I said, in the test setup I have now, I can't see any device killing its connection. (edit: 'restart' also has the same effect) These are of one time it happened: Jul 18 16:18:06 host xl2tpd[1918]: Maximum retries exceeded for tunnel 49070. Closing. Jul 18 16:18:06 host xl2tpd[1918]: Terminating pppd: sending TERM signal to pid 18359 Jul 18 16:18:06 host xl2tpd[1918]: Connection 4 closed to 89.188.x.y, port 1701 (Timeout) Jul 18 16:18:11 host xl2tpd[1918]: Unable to deliver closing message for tunnel 49070. Destroying anyway. and these on another: Jul 18 17:44:39 host xl2tpd[1918]: udp_xmit failed to 89.188.x.y:1701 with err=-1:Operation not permitted Jul 18 17:44:43 xl2tpd[1918]: last message repeated 4 times Jul 18 17:44:43 host xl2tpd[1918]: Maximum retries exceeded for tunnel 10918. Closing. Jul 18 17:44:43 host xl2tpd[1918]: udp_xmit failed to 89.188.x.y:1701 with err=-1:Operation not permitted Jul 18 17:44:43 host xl2tpd[1918]: Terminating pppd: sending TERM signal to pid 26338 Jul 18 17:44:43 host xl2tpd[1918]: Connection 6 closed to 89.188.x.y, port 1701 (Timeout) Jul 18 17:44:44 host xl2tpd[1918]: udp_xmit failed to 89.188.x.y:1701 with err=-1:Operation not permitted Jul 18 17:44:48 xl2tpd[1918]: last message repeated 3 times Jul 18 17:44:48 host xl2tpd[1918]: Unable to deliver closing message for tunnel 10918. Destroying anyway. Jul 18 17:44:59 host xl2tpd[1918]: Can not find tunnel 10918 (refhim=0) Jul 18 17:44:59 host xl2tpd[1918]: network_thread: unable to find call or tunnel to handle packet. call = 0, tunnel = 10918 Dumping. Jul 18 17:45:09 host xl2tpd[1918]: Can not find tunnel 10918 (refhim=0) Jul 18 17:45:09 host xl2tpd[1918]: network_thread: unable to find call or tunnel to handle packet. call = 0, tunnel = 10918 Dumping. Jul 18 17:45:19 host xl2tpd[1918]: Can not find tunnel 10918 (refhim=0) Jul 18 17:45:19 host xl2tpd[1918]: network_thread: unable to find call or tunnel to handle packet. call = 0, tunnel = 10918 Dumping. Jul 18 17:45:29 host xl2tpd[1918]: Can not find tunnel 10918 (refhim=0) Jul 18 17:45:29 host xl2tpd[1918]: network_thread: unable to find call or tunnel to handle packet. call = 0, tunnel = 10918 Dumping. Jul 18 17:45:39 host xl2tpd[1918]: Can not find tunnel 10918 (refhim=0) Jul 18 17:45:39 host xl2tpd[1918]: network_thread: unable to find call or tunnel to handle packet. call = 0, tunnel = 10918 Dumping. Jul 18 17:45:49 host xl2tpd[1918]: Can not find tunnel 10918 (refhim=0) Jul 18 17:45:49 host xl2tpd[1918]: network_thread: unable to find call or tunnel to handle packet. call = 0, tunnel = 10918 Dumping. Versions: Ubuntu 12.04 Openswan: 2.6.37-1 xl2tpd: 3.1+dfsg-1 kernel: 3.2.0-49-generic configs: /etc/ipsec.conf: version 2.0 # conforms to second version of ipsec.conf specification config setup nat_traversal=yes virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12,%v4:!10.152.2.0/24 oe=off protostack=netkey force_keepalive=yes keep_alive=10 conn L2TP-PSK-NAT rightsubnet=vhost:%priv also=L2TP-PSK-noNAT conn L2TP-PSK-noNAT authby=secret pfs=no auto=add keyingtries=2 rekey=no dpddelay=30 dpdtimeout=120 dpdaction=clear ikelifetime=8h keylife=1h type=transport left=%defaultroute leftprotoport=17/1701 right=%any rightprotoport=17/%any /etc/xl2tpd/xl2tpd.conf [global] ipsec saref = no [lns default] ip range = 10.152.2.2-10.152.2.254 local ip = 10.152.2.1 refuse chap = yes refuse pap = yes require authentication = yes ppp debug = no pppoptfile = /etc/ppp/options.xl2tpd length bit = yes /etc/ppp/options.xl2tpd: require-mschap-v2 refuse-mschap ms-dns 10.152.2.1 asyncmap 0 auth crtscts idle 1800 mtu 1200 mru 1200 lock hide-password local #debug name l2tpd proxyarp lcp-echo-interval 30 lcp-echo-failure 4

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• Installing multiple php versions plus extensions on freebsd

  - by jgtumusiime

  I'm a currently learning how to work with freebsd. Lately I have been trying to run multiple php versions along with their respective packages. However, I seem to be running into issues while making installations. The default location for my php installation is /usr/local/etc/, however I want to be able to install php5.2, php5.3 and php5.4 in /usr/local/etc/php52, /usr/local/etc/php53 and /usr/local/etc/php54 respectively. Using ports I simply achieved this by doing cd /usr/ports/lang/php5x && make PREFIX="/usr/local/etc/php5x" install clean. The problem now is: How do I do the same for extensions of all my PHP versions? When I try installing php-extensions like so: cd /usr/ports/lang/php5x-extension && make PREFIX="/usr/local/etc/php5x/lib/php" install clean, I get this error ... ===> PHPizing for php53-bcmath-5.3.17 env: /usr/local/bin/phpize: No such file or directory *** Error code 127 Stop in /usr/ports/math/php53-bcmath. *** Error code 1 Stop in /usr/ports/lang/php53-extensions. My PHPize is located in /usr/local/etc/php5x/bin/phpize So how do I get make or whatever to look for phpize in the right path? Is there a cleaner, may be simpler way of maintaining multiple php installations? I need to achieve this because of compatibility issues from some legacy code that runs on 5.2 and breaks on 5.3. Thank you. ================= So I successfully installed an configured freebsd jail and I would like to install software within my jail but I cannot connect to the network. Here is my rc.conf jail_enable="YES" # Set to NO to disable starting of any jails jail_list="mambo2" # Space separated list of names of jails jail_mambo2_rootdir="/usr/jails/j01" # jail's root directory jail_mambo2_hostname="mambo2.ug" # jail's hostname jail_mambo2_ip="192.168.100.174" # jail's IP address jail_mambo2_devfs_enable="YES" # mount devfs in the jail jail_mambo2_devfs_ruleset="mambo2_ruleset" # devfs ruleset to apply to jail here is my jail ifconfig output mambo2# ifconfig rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=8<VLAN_MTU> ether 00:c1:28:00:48:db media: Ethernet autoselect (100baseTX <full-duplex>) status: active plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST,NEEDSGIANT> metric 0 mtu 1500 lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 mambo2# I created a /etc/resolv.conf for nameservers mambo2# cat /etc/resolv.conf nameserver 192.168.100.251 nameserver 8.8.8.8 mambo2# Here is a list of jails running [root@mambo /usr/home/jtumusiime]# jls JID IP Address Hostname Path 5 192.168.100.174 mambo2.ug /usr/jails/j01 my host has 4 ip addresses, 3 public and one private: 192.168.100.173 I tried creating a jail using ezjail and this does not work out. [root@mambo /usr/home/jtumusiime]# ezjail-admin update -p -i Error: Cannot find your copy of the FreeBSD source tree in . Consider using 'ezjail-admin install' to create the base jail from an ftp server. [root@mambo /usr/home/jtumusiime]# I have an updated copy of freebsd 7.1 source in /usr/src/ and I did #make buildworld while building the first jail mambo2 Here is an excerpt of ouput of ezjail-admin install ... 221 Goodbye. Trying 193.162.146.4... Connected to ftp.freebsd.org. 220 ftp.beastie.tdk.net FTP server (Version 6.00LS) ready. 331 Guest login ok, send your email address as password. 230 Guest login ok, access restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. 200 Type set to I. 550 pub/FreeBSD-Archive/old-releases/i386/7.1-RELEASE/base: No such file or directory. 221 Goodbye. Could not fetch base from ftp.freebsd.org. Maybe your release (7.1-RELEASE) is specified incorrectly or the host ftp.freebsd.org does not provide that release build. Use the -r option to specify an existing release or the -h option to specify an alternative ftp server. Querying your ftp-server... The ftp server you specified (ftp.freebsd.org) seems to provide the following builds: Trying 193.162.146.4... total 10 drwxrwxr-x 13 1006 1006 512 Feb 20 2011 8.2-RELEASE drwxrwxr-x 13 1006 1006 512 Apr 10 2012 8.3-RELEASE lrwxr-xr-x 1 1006 1006 16 Jan 7 2012 9.0-RELEASE -> i386/9.0-RELEASE drwxrwxr-x 7 1006 1006 1024 Feb 19 2012 ISO-IMAGES -rw-rw-r-- 1 1006 1006 637 Nov 23 2005 README.TXT drwxrwxr-x 5 1006 1006 512 Nov 2 02:59 i386 I do not want to upgrade my freebsd installation. I have googled around; but all on vail

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• Cisco PIX 8.0.4, static address mapping not working?

  - by Bill

  upgrading a working Pix running 5.3.1 to 8.0.4. The memory/IOS upgrade went fine, but the 8.0.4 configuration is not quite working 100%. The 5.3.1 config on which it was based is working fine. Basically, I have three networks (inside, outside, dmz) with some addresses on the dmz statically mapped to outside addresses. The problem seems to be that those addresses can't send or receive traffic from the outside (Internet.) Stuff on the DMZ that does not have a static mapping seems to work fine. So, basically: Inside - outside: works Inside - DMZ: works DMZ - inside: works, where the rules allow it DMZ (non-static) - outside: works But: DMZ (static) - outside: fails Outside - DMZ: fails (So, say, udp 1194 traffic to .102, http to .104) I suspect there's something I'm missing with the nat/global section of the config, but can't for the life of me figure out what. Help, anyone? The complete configuration is below. Thanks for any thoughts! ! PIX Version 8.0(4) ! hostname firewall domain-name asasdkpaskdspakdpoak.com enable password xxxxxxxx encrypted passwd xxxxxxxx encrypted names ! interface Ethernet0 nameif outside security-level 0 ip address XX.XX.XX.100 255.255.255.224 ! interface Ethernet1 nameif inside security-level 100 ip address 192.168.68.1 255.255.255.0 ! interface Ethernet2 nameif dmz security-level 10 ip address 192.168.69.1 255.255.255.0 ! boot system flash:/image.bin ftp mode passive dns server-group DefaultDNS domain-name asasdkpaskdspakdpoak.com access-list acl_out extended permit udp any host XX.XX.XX.102 eq 1194 access-list acl_out extended permit tcp any host XX.XX.XX.104 eq www access-list acl_dmz extended permit tcp host 192.168.69.10 host 192.168.68.17 eq ssh access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 192.168.68.0 255.255.255.0 eq ssh access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 192.168.68.0 255.255.255.0 eq 5901 access-list acl_dmz extended permit udp host 192.168.69.103 any eq ntp access-list acl_dmz extended permit udp host 192.168.69.103 any eq domain access-list acl_dmz extended permit tcp host 192.168.69.103 any eq www access-list acl_dmz extended permit tcp host 192.168.69.100 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.100 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.101 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.101 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.104 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.104 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.69.104 eq 8080 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.69.104 eq 8099 access-list acl_dmz extended permit tcp host 192.168.69.105 any eq www access-list acl_dmz extended permit tcp host 192.168.69.103 any eq smtp access-list acl_dmz extended permit tcp host 192.168.69.105 host 192.168.68.103 eq ssh access-list acl_dmz extended permit tcp host 192.168.69.104 any eq www access-list acl_dmz extended permit tcp host 192.168.69.100 any eq www access-list acl_dmz extended permit tcp host 192.168.69.100 any eq https pager lines 24 mtu outside 1500 mtu inside 1500 mtu dmz 1500 icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 14400 global (outside) 1 interface nat (inside) 1 0.0.0.0 0.0.0.0 nat (dmz) 1 0.0.0.0 0.0.0.0 static (dmz,outside) XX.XX.XX.103 192.168.69.11 netmask 255.255.255.255 static (inside,dmz) 192.168.68.17 192.168.68.17 netmask 255.255.255.255 static (inside,dmz) 192.168.68.100 192.168.68.100 netmask 255.255.255.255 static (inside,dmz) 192.168.68.101 192.168.68.101 netmask 255.255.255.255 static (inside,dmz) 192.168.68.102 192.168.68.102 netmask 255.255.255.255 static (inside,dmz) 192.168.68.103 192.168.68.103 netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.104 192.168.69.100 netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.105 192.168.69.105 netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.102 192.168.69.10 netmask 255.255.255.255 access-group acl_out in interface outside access-group acl_dmz in interface dmz route outside 0.0.0.0 0.0.0.0 XX.XX.XX.97 1 route dmz 10.71.83.0 255.255.255.0 192.168.69.10 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute dynamic-access-policy-record DfltAccessPolicy no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 telnet 192.168.68.17 255.255.255.255 inside telnet timeout 5 ssh timeout 5 console timeout 0 threat-detection basic-threat threat-detection statistics access-list no threat-detection statistics tcp-intercept ! class-map inspection_default match default-inspection-traffic ! ! policy-map type inspect dns preset_dns_map parameters message-length maximum 512 policy-map global_policy class inspection_default inspect dns preset_dns_map inspect ftp inspect h323 h225 inspect h323 ras inspect netbios inspect rsh inspect rtsp inspect skinny inspect esmtp inspect sqlnet inspect sunrpc inspect tftp inspect sip inspect xdmcp ! service-policy global_policy global prompt hostname context Cryptochecksum:2d1bb2dee2d7a3e45db63a489102d7de

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• heimdal kerberos in openldap issue

  - by Brian

  I think I posted this on the wrong 'sister site', so here it is. I'm having a bit of trouble getting Kerberos (Heimdal version) to work nicely with OpenLDAP. The kerberos database is being stored in LDAP itself. The KDC uses SASL EXTERNAL authentication as root to access the container ou. I created the database in LDAP fine using kadmin -l, but it won't let me use kadmin without the -l flag: root@rds0:~# kadmin -l kadmin> list * krbtgt/REALM kadmin/changepw kadmin/admin changepw/kerberos kadmin/hprop WELLKNOWN/ANONYMOUS WELLKNOWN/org.h5l.fast-cookie@WELLKNOWN:ORG.H5L default brian.empson brian.empson/admin host/rds0.example.net ldap/rds0.example.net host/localhost kadmin> exit root@rds0:~# kadmin kadmin> list * brian.empson/admin@REALM's Password: <----- With right password kadmin: kadm5_get_principals: Key table entry not found kadmin> list * brian.empson/admin@REALM's Password: <------ With wrong password kadmin: kadm5_get_principals: Already tried ENC-TS-info, looping kadmin> I can get tickets without a problem: root@rds0:~# klist Credentials cache: FILE:/tmp/krb5cc_0 Principal: brian.empson@REALM Issued Expires Principal Nov 11 14:14:40 2012 Nov 12 00:14:37 2012 krbtgt/REALM@REALM Nov 11 14:40:35 2012 Nov 12 00:14:37 2012 ldap/rds0.example.net@REALM But I can't seem to change my own password without kadmin -l: root@rds0:~# kpasswd brian.empson@REALM's Password: <---- Right password New password: Verify password - New password: Auth error : Authentication failed root@rds0:~# kpasswd brian.empson@REALM's Password: <---- Wrong password kpasswd: krb5_get_init_creds: Already tried ENC-TS-info, looping kadmin's logs are not helpful at all: 2012-11-11T13:48:33 krb5_recvauth: Key table entry not found 2012-11-11T13:51:18 krb5_recvauth: Key table entry not found 2012-11-11T13:53:02 krb5_recvauth: Key table entry not found 2012-11-11T14:16:34 krb5_recvauth: Key table entry not found 2012-11-11T14:20:24 krb5_recvauth: Key table entry not found 2012-11-11T14:20:44 krb5_recvauth: Key table entry not found 2012-11-11T14:21:29 krb5_recvauth: Key table entry not found 2012-11-11T14:21:46 krb5_recvauth: Key table entry not found 2012-11-11T14:23:09 krb5_recvauth: Key table entry not found 2012-11-11T14:45:39 krb5_recvauth: Key table entry not found The KDC reports that both accounts succeed in authenticating: 2012-11-11T14:48:03 AS-REQ brian.empson@REALM from IPv4:192.168.72.10 for kadmin/changepw@REALM 2012-11-11T14:48:03 Client sent patypes: REQ-ENC-PA-REP 2012-11-11T14:48:03 Looking for PK-INIT(ietf) pa-data -- brian.empson@REALM 2012-11-11T14:48:03 Looking for PK-INIT(win2k) pa-data -- brian.empson@REALM 2012-11-11T14:48:03 Looking for ENC-TS pa-data -- brian.empson@REALM 2012-11-11T14:48:03 Need to use PA-ENC-TIMESTAMP/PA-PK-AS-REQ 2012-11-11T14:48:03 sending 294 bytes to IPv4:192.168.72.10 2012-11-11T14:48:03 AS-REQ brian.empson@REALM from IPv4:192.168.72.10 for kadmin/changepw@REALM 2012-11-11T14:48:03 Client sent patypes: ENC-TS, REQ-ENC-PA-REP 2012-11-11T14:48:03 Looking for PK-INIT(ietf) pa-data -- brian.empson@REALM 2012-11-11T14:48:03 Looking for PK-INIT(win2k) pa-data -- brian.empson@REALM 2012-11-11T14:48:03 Looking for ENC-TS pa-data -- brian.empson@REALM 2012-11-11T14:48:03 ENC-TS Pre-authentication succeeded -- brian.empson@REALM using aes256-cts-hmac-sha1-96 2012-11-11T14:48:03 ENC-TS pre-authentication succeeded -- brian.empson@REALM 2012-11-11T14:48:03 AS-REQ authtime: 2012-11-11T14:48:03 starttime: unset endtime: 2012-11-11T14:53:00 renew till: unset 2012-11-11T14:48:03 Client supported enctypes: aes256-cts-hmac-sha1-96, aes128-cts-hmac-sha1-96, des3-cbc-sha1, arcfour-hmac-md5, using aes256-cts-hmac-sha1-96/aes256-cts-hmac-sha1-96 2012-11-11T14:48:03 sending 704 bytes to IPv4:192.168.72.10 2012-11-11T14:45:39 AS-REQ brian.empson/admin@REALM from IPv4:192.168.72.10 for kadmin/admin@REALM 2012-11-11T14:45:39 Client sent patypes: REQ-ENC-PA-REP 2012-11-11T14:45:39 Looking for PK-INIT(ietf) pa-data -- brian.empson/admin@REALM 2012-11-11T14:45:39 Looking for PK-INIT(win2k) pa-data -- brian.empson/admin@REALM 2012-11-11T14:45:39 Looking for ENC-TS pa-data -- brian.empson/admin@REALM 2012-11-11T14:45:39 Need to use PA-ENC-TIMESTAMP/PA-PK-AS-REQ 2012-11-11T14:45:39 sending 303 bytes to IPv4:192.168.72.10 2012-11-11T14:45:39 AS-REQ brian.empson/admin@REALM from IPv4:192.168.72.10 for kadmin/admin@REALM 2012-11-11T14:45:39 Client sent patypes: ENC-TS, REQ-ENC-PA-REP 2012-11-11T14:45:39 Looking for PK-INIT(ietf) pa-data -- brian.empson/admin@REALM 2012-11-11T14:45:39 Looking for PK-INIT(win2k) pa-data -- brian.empson/admin@REALM 2012-11-11T14:45:39 Looking for ENC-TS pa-data -- brian.empson/admin@REALM 2012-11-11T14:45:39 ENC-TS Pre-authentication succeeded -- brian.empson/admin@REALM using aes256-cts-hmac-sha1-96 2012-11-11T14:45:39 ENC-TS pre-authentication succeeded -- brian.empson/admin@REALM 2012-11-11T14:45:39 AS-REQ authtime: 2012-11-11T14:45:39 starttime: unset endtime: 2012-11-11T15:45:39 renew till: unset 2012-11-11T14:45:39 Client supported enctypes: aes256-cts-hmac-sha1-96, aes128-cts-hmac-sha1-96, des3-cbc-sha1, arcfour-hmac-md5, using aes256-cts-hmac-sha1-96/aes256-cts-hmac-sha1-96 2012-11-11T14:45:39 sending 717 bytes to IPv4:192.168.72.10 I wish I had more detailed logging messages, running kadmind in debug mode seems to almost work but it just kicks me back to the shell when I type in the correct password. GSSAPI via LDAP doesn't work either, but I suspect it's because some parts of kerberos aren't working either: root@rds0:~# ldapsearch -Y GSSAPI -H ldaps:/// -b "o=mybase" o=mybase SASL/GSSAPI authentication started ldap_sasl_interactive_bind_s: Other (e.g., implementation specific) error (80) additional info: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information () root@rds0:~# ldapsearch -Y EXTERNAL -H ldapi:/// -b "o=mybase" o=mybase SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 # extended LDIF <snip> Would anyone be able to point me in the right direction?

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• straight to grub prompt on boot

  - by cheshirekow

  I am very lost. I did a fresh install of Ubuntu 10.04 on a laptop. First reboot was fine. I ran all the recommended upgrades, and now every time I start I get just a grub>_ prompt. No error message, just the prompt, and a little banner at the top saying grub's version and telling me that I have minimal bash style editing. I've tried: 1) Re-installing grub via sudo grub-install sda (There is only one disk with only two partitions, one primary, and one for swap) 2) Changed GRUB_HIDDEN_TIMEOUT=10 GRUB_TIMEOUT=30 GRUB_CMDLINE_LINUX_DEFAULT="rootdelay=90" GRUB_CMDLINE_LINUX="rootdelay=90" in /etc/default/grub. No luck. I can boot with the following: grub> set root=(hd0,1) grub> probe (hd0,1) -u c00fadde-f7e8-45e7-a4da-0235605f756 grub> linux /boot/vmlinuz-2.6.32-21-generic root=UUID=c00fadde-f7e8-45e7-a4da-0235605f756 rootdelay=90 grub> initrd /boot/initrd.img-2.6.32-21-generic grub> boot And then everything seems to be fine from there. From the grub prompt if I try configfile /boot/grub/grub.cfg The screen clears and I get another grub prompt. So, seriously, what could the problem be? edit: Full text of /boot/grub/grub.cfg # # DO NOT EDIT THIS FILE # # It is automatically generated by /usr/sbin/grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; then load_env fi set default="0" if [ ${prev_saved_entry} ]; then set saved_entry=${prev_saved_entry} save_env saved_entry set prev_saved_entry= save_env prev_saved_entry set boot_once=true fi function savedefault { if [ -z ${boot_once} ]; then saved_entry=${chosen} save_env saved_entry fi } function recordfail { set recordfail=1 if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi } insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set c00fadde-f7e8-45e7-a4da-0235c605f756 if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=640x480 insmod gfxterm insmod vbe if terminal_output gfxterm ; then true ; else # For backward compatibility with versions of terminal.mod that don't # understand terminal_output terminal gfxterm fi fi insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set c00fadde-f7e8-45e7-a4da-0235c605f756 set locale_dir=($root)/boot/grub/locale set lang=en insmod gettext if [ ${recordfail} = 1 ]; then set timeout=-1 else set timeout=30 fi ### END /etc/grub.d/00_header ### ### BEGIN /etc/grub.d/05_debian_theme ### set menu_color_normal=white/black set menu_color_highlight=black/light-gray ### END /etc/grub.d/05_debian_theme ### ### BEGIN /etc/grub.d/10_linux ### menuentry 'Ubuntu, with Linux 2.6.32-21-generic' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set c00fadde-f7e8-45e7-a4da-0235c605f756 linux /boot/vmlinuz-2.6.32-21-generic root=UUID=c00fadde-f7e8-45e7-a4da-0235c605f756 ro rootdelay=90 rootdelay=90 initrd /boot/initrd.img-2.6.32-21-generic } menuentry 'Ubuntu, with Linux 2.6.32-21-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set c00fadde-f7e8-45e7-a4da-0235c605f756 echo 'Loading Linux 2.6.32-21-generic ...' linux /boot/vmlinuz-2.6.32-21-generic root=UUID=c00fadde-f7e8-45e7-a4da-0235c605f756 ro single rootdelay=90 echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-2.6.32-21-generic } ### END /etc/grub.d/10_linux ### ### BEGIN /etc/grub.d/20_memtest86+ ### menuentry "Memory test (memtest86+)" { insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set c00fadde-f7e8-45e7-a4da-0235c605f756 linux16 /boot/memtest86+.bin } menuentry "Memory test (memtest86+, serial console 115200)" { insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set c00fadde-f7e8-45e7-a4da-0235c605f756 linux16 /boot/memtest86+.bin console=ttyS0,115200n8 } ### END /etc/grub.d/20_memtest86+ ### ### BEGIN /etc/grub.d/30_os-prober ### if [ ${timeout} != -1 ]; then if sleep --verbose --interruptible 10 ; then set timeout=0 fi fi ### END /etc/grub.d/30_os-prober ### ### BEGIN /etc/grub.d/40_custom ### # This file provides an easy way to add custom menu entries. Simply type the # menu entries you want to add after this comment. Be careful not to change # the 'exec tail' line above. ### END /etc/grub.d/40_custom ### output of update-grub Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.32-21-generic Found initrd image: /boot/initrd.img-2.6.32-21-generic Found memtest86+ image: /boot/memtest86+.bin done contents of /boot total 14280 -rw-r--r-- 1 root root 640617 2010-04-16 09:01 abi-2.6.32-21-generic -rw-r--r-- 1 root root 115847 2010-04-16 09:01 config-2.6.32-21-generic drwxr-xr-x 3 root root 4096 2010-09-08 02:42 grub -rw-r--r-- 1 root root 7968754 2010-09-02 01:49 initrd.img-2.6.32-21-generic -rw-r--r-- 1 root root 160280 2010-03-23 05:37 memtest86+.bin -rw-r--r-- 1 root root 1687378 2010-04-16 09:01 System.map-2.6.32-21-generic -rw-r--r-- 1 root root 1196 2010-04-16 09:03 vmcoreinfo-2.6.32-21-generic -rw-r--r-- 1 root root 4029792 2010-04-16 09:01 vmlinuz-2.6.32-21-generic

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• Nginx + php-fpm "504 Gateway Time-out" error with almost zero load (on a test-server)

  - by rahul286

  After debugging for 6-hours - I am giving this up :| We have a nginx+php-fpm+mysql in LAN with almost 100 wordpress (created and used by different designers/developers all working on test wordpres setup) We are using nginx without any issues from long. Today, all of a sudden - nginx started returning "504 Gateway Time-out" out of the blue... I checked nginx error log for a virtual host... 2010/09/06 21:24:24 [error] 12909#0: *349 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 21:25:11 [error] 12909#0: *349 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 21:25:11 [error] 12909#0: *443 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /info.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 21:25:12 [error] 12909#0: *443 connect() failed (111: Connection refused) while connecting to upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 22:08:32 [error] 12909#0: *1025 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 22:09:33 [error] 12909#0: *1025 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 22:09:40 [error] 12909#0: *1064 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /info.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 22:09:40 [error] 12909#0: *1064 connect() failed (111: Connection refused) while connecting to upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 22:24:44 [error] 12909#0: *1313 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" 2010/09/06 22:24:53 [error] 12909#0: *1313 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info" As I run php-fpm on port 9000 via TCP mode, I ran "netstat | grep 9000" and noticed something unusual... (Pasting partial output here for ease of read) tcp 9 0 localhost:9000 localhost:36094 CLOSE_WAIT 14269/php5-fpm tcp 0 0 localhost:46664 localhost:9000 FIN_WAIT2 - tcp 1257 0 localhost:9000 localhost:36135 CLOSE_WAIT - tcp 1257 0 localhost:9000 localhost:36125 CLOSE_WAIT - tcp 9 0 localhost:9000 localhost:36102 CLOSE_WAIT 14268/php5-fpm tcp 0 0 localhost:46662 localhost:9000 FIN_WAIT2 - tcp 745 0 localhost:9000 localhost:46644 CLOSE_WAIT - tcp 0 0 localhost:46658 localhost:9000 FIN_WAIT2 - tcp 1265 0 localhost:9000 localhost:46607 CLOSE_WAIT - tcp 0 0 localhost:46672 localhost:9000 ESTABLISHED 12909/nginx: worker tcp 1257 0 localhost:9000 localhost:36119 CLOSE_WAIT - tcp 1265 0 localhost:9000 localhost:46613 CLOSE_WAIT - tcp 0 0 localhost:46646 localhost:9000 FIN_WAIT2 - tcp 1257 0 localhost:9000 localhost:36137 CLOSE_WAIT - tcp 0 0 localhost:46670 localhost:9000 ESTABLISHED 12909/nginx: worker tcp 1265 0 localhost:9000 localhost:46619 CLOSE_WAIT - tcp 1336 0 localhost:9000 localhost:46668 ESTABLISHED - tcp 0 0 localhost:46648 localhost:9000 FIN_WAIT2 - tcp 1336 0 localhost:9000 localhost:46670 ESTABLISHED - tcp 9 0 localhost:9000 localhost:36108 CLOSE_WAIT 14274/php5-fpm tcp 1336 0 localhost:9000 localhost:46684 ESTABLISHED - tcp 0 0 localhost:46674 localhost:9000 ESTABLISHED 12909/nginx: worker tcp 1336 0 localhost:9000 localhost:46666 ESTABLISHED - tcp 1257 0 localhost:9000 localhost:46648 CLOSE_WAIT - tcp 1336 0 localhost:9000 localhost:46678 ESTABLISHED - tcp 0 0 localhost:46668 localhost:9000 ESTABLISHED 12909/nginx: wo There are plenty of "CLOSE_WAIT" & "FIN_WAIT2" pairs as highlighted below (in above output): tcp 1337 0 localhost:9000 localhost:46680 CLOSE_WAIT - tcp 0 0 localhost:46680 localhost:9000 FIN_WAIT2 - Please note port 46680 in above. I enabled mysql slow queries error log, but it didn't work. As of now restarting php5-fpm every minute via a cronjob (see command below) keeping everything running "smoothly" but I hate patchwork and want to solve this... 1 * * * * service php5-fpm restart > /dev/null I searched extensively on Google - got no help. As mentioned, this a test-server in LAN, CPU load is never crossed 0.10 and memory usage is also below 25% (System has 2GB RAM and ubuntu-server installed) So if you find its time-confusing to help me out, please atleast drop a hint. Thanks in advance for help. -Rahul (note - this is reposting of - http://forum.nginx.org/read.php?11,127694) Update: I found answer, which is posted below.

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• Intermittent Connection Issues to SQL Server 2008 R2 RTM

  - by Chandan Jha

  The problem I am facing is a very complex one and inspite of trying to gather a root cause of the problem, I am standing at the same place after 2 months with just bits and pieces of information.Here is a scenario: There is a windows 2003 server which uses an system DSN ODBC connection. I looked into the driver properties and it is as follows: Name Version File SQL Server 2000.86.3959.00 SQLSRV32.DLL Now, this system DSN has been given configured with TCP\IP in Network Libraries and 'determine port dynamically' is checked. Now, lets come to the database destination. It is hosted on Windows 2008 having SQL 2008 R2 RTM version 64-bit. Now, I will give you a an overview about the events that happen and whatever troubleshooting I could perform: I get an email saying 'blah blah' failed and the only message their application gets is 'cannot connect to database' I go the SQL Server logs and find the following information: Login failed for user ''. Reason: An attempt to login using SQL authentication failed. Server is configured for Windows authentication only. [CLIENT: 10.0.0.xx Error: 18456, Severity: 14, State: 58.] A quick search shows that this error may come when an SQL Server is configured with windows authentication but its not true. We have mixed mode and connection issue is intermittent. This SQL Server is configured to run on a local system account but since we use only SQL Server accounts to connect to this, there should not be any Kerberos errors. When I run a profiler trace and see only 'existing connections', i see a lot of them coming from my client server displaying the sql user but NO hostname is shown. Textdata field shows TCP\IP information along with some arithabort and ansi-null settings. Now, I tried looking into ring connectivity buffer by using following: SELECTCAST(record AS XML) FROM sys.dm_os_ring_buffers WHERE ring_buffer_type = 'RING_BUFFER_CONNECTIVITY' One sample output is: <ConnectivityTraceRecord> <RecordType>Error</RecordType> <RecordSource>Tds</RecordSource> <Spid>118</Spid> <SniConnectionId>5124905D-D1EC-460E-AD78-201050B78C67</SniConnectionId> <OSError>0</OSError> <SniConsumerError>18452</SniConsumerError> <SniProvider>7</SniProvider> <State>1</State> <RemoteHost>10.0.0.21</RemoteHost> <RemotePort>5008</RemotePort> <LocalHost>10.1.0.38</LocalHost> <LocalPort>1433</LocalPort> <RecordTime>6/6/2012 21:14:57.527</RecordTime> <TdsBuffersInformation> <TdsInputBufferError>0</TdsInputBufferError> <TdsOutputBufferError>0</TdsOutputBufferError> <TdsInputBufferBytes>120</TdsInputBufferBytes> </TdsBuffersInformation> <TdsDisconnectFlags> <PhysicalConnectionIsKilled>0</PhysicalConnectionIsKilled> <DisconnectDueToReadError>0</DisconnectDueToReadError> <NetworkErrorFoundInInputStream>0</NetworkErrorFoundInInputStream> <ErrorFoundBeforeLogin>0</ErrorFoundBeforeLogin> <SessionIsKilled>0</SessionIsKilled> <NormalDisconnect>0</NormalDisconnect> </TdsDisconnectFlags> </ConnectivityTraceRecord> <Stack> <frame id="0">0X000000000174C34B</frame> <frame id="1">0X0000000001748FDD</frame> <frame id="2">0X0000000002461001</frame> <frame id="3">0X0000000000C47E98</frame> <frame id="4">0X00000000008015AD</frame> <frame id="5">0X0000000000801492</frame> <frame id="6">0X00000000003CBBD8</frame> <frame id="7">0X00000000003CB8BA</frame> <frame id="8">0X00000000003CB6FF</frame> <frame id="9">0X00000000008E8FB6</frame> <frame id="10">0X00000000008E9175</frame> <frame id="11">0X00000000008E9839</frame> <frame id="12">0X00000000008E9502</frame> <frame id="13">0X0000000074E437D7</frame> <frame id="14">0X0000000074E43894</frame> <frame id="15">0X00000000775A652D</frame> Somehow all the errors show error number 18452 whereas I never found this error in my SQL logs where I see only 18456. I am just stuck on a dead end because this connection issue appears intermittently. Sorry for a long question but I hope if you read this, you can make out that I tried a lot at my end before giving up.

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• Cannot install .NET Framework 4.0 on Windows XP SP3

  - by Bob

  I'm using Windows XP SP3 logged in as the administrator. I had RAID Mirroring running. The motherboard broke earlier in the year. When I got a new battery I did not resync. I just use the disks as two separate disks. I searched Google for the errors but I didn't find anything detailed enough. The following Microsoft components are in Add/Remove programs: .NET Framework 1.1 .NET Framework 2.0 Service Pack 2 .NET Framework 3.0 Service Pack 2 .NET Framework 3.5 SP1 Microsoft Compression Client Pack 1.0 for Windows XP Microsoft Office Enterprise 2007 Microsoft Silverlight Microsoft USB Flash Driver Manager Micrsoft User-mode Driver Framework Feature Pack 1.0 Microsoft Visual C++ 2005 ATL Update KB 973923 x86 8.050727.4053 Microsoft Visual C++ 2005 Redistributable This is the installation log: Exists: evaluating... [10/21/2011, 22:17:14]MsiGetProductInfo with product code {3C3901C5-3455-3E0A-A214-0B093A5070A6} found no matches [10/21/2011, 22:17:14] Exists evaluated to false [10/21/2011, 22:15:50]calling PerformAction on an installing performer [10/21/2011, 22:15:50] Action: Performing actions on all Items... [10/21/2011, 22:15:50]Wait for Item (clr_optimization_v2.0.50727_32) to be available [10/21/2011, 22:15:50]clr_optimization_v2.0.50727_32 is now available to install [10/21/2011, 22:15:50]Creating new Performer for ServiceControl item [10/21/2011, 22:15:50] Action: ServiceControl - Stop clr_optimization_v2.0.50727_32... [10/21/2011, 22:15:50]ServiceControl operation succeeded! [10/21/2011, 22:15:50] Action complete [10/21/2011, 22:15:50]Error 0 is mapped to Custom Error: [10/21/2011, 22:15:50]Wait for Item (Windows6.0-KB956250-v6001-x86.msu) to be available [10/21/2011, 22:15:51]Windows6.0-KB956250-v6001-x86.msu is now available to install [10/21/2011, 22:15:51]Created new DoNothingPerformer for File item [10/21/2011, 22:15:51]No CustomError defined for this item. [10/21/2011, 22:15:51]Wait for Item (Windows6.1-KB958488-v6001-x86.msu) to be available [10/21/2011, 22:15:51]Windows6.1-KB958488-v6001-x86.msu is now available to install [10/21/2011, 22:15:51]Created new DoNothingPerformer for File item [10/21/2011, 22:15:51]No CustomError defined for this item. [10/21/2011, 22:15:51]Wait for Item (netfx_Core.mzz) to be available [10/21/2011, 22:15:52]netfx_Core.mzz is now available to install [10/21/2011, 22:15:52]Created new DoNothingPerformer for File item [10/21/2011, 22:15:52]No CustomError defined for this item. [10/21/2011, 22:15:52]Wait for Item (netfx_Core_x86.msi) to be available [10/21/2011, 22:15:52]netfx_Core_x86.msi is now available to install [10/21/2011, 22:15:52]Creating new Performer for MSI item [10/21/2011, 22:15:52] Action: Performing Action on MSI at F:\DOCUME~1\Owner\LOCALS~1\Temp\Microsoft .NET Framework 4 Client Profile Setup_4.0.30319\netfx_Core_x86.msi... [10/21/2011, 22:15:52]Log File F:\DOCUME~1\Owner\LOCALS~1\Temp\Microsoft .NET Framework 4 Client Profile Setup_20111021_221545515-MSI_netfx_Core_x86.msi.txt does not yet exist but may do at Watson upload time [10/21/2011, 22:15:52]Calling MsiInstallProduct(F:\DOCUME~1\Owner\LOCALS~1\Temp\Microsoft .NET Framework 4 Client Profile Setup_4.0.30319\netfx_Core_x86.msi, EXTUI=1 [10/21/2011, 22:17:14]MSI (F:\DOCUME~1\Owner\LOCALS~1\Temp\Microsoft .NET Framework 4 Client Profile Setup_4.0.30319\netfx_Core_x86.msi) Installation failed. Msi Log: Microsoft .NET Framework 4 Client Profile Setup_20111021_221545515-MSI_netfx_Core_x86.msi.txt [10/21/2011, 22:17:14]PerformOperation returned 1603 (translates to HRESULT = 0x80070643) [10/21/2011, 22:17:14] Action complete [10/21/2011, 22:17:14]OnFailureBehavior for this item is to Rollback. [10/21/2011, 22:17:14] Action: Performing actions on all Items... [10/21/2011, 22:17:14] Action complete [10/21/2011, 22:17:14] Action complete [10/21/2011, 22:17:14]Final Result: Installation failed with error code: (0x80070643), "Fatal error during installation. " (Elapsed time: 0 00:01:29). [10/21/2011, 22:17:41]WM_ACTIVATEAPP: Focus stealer's windows WAS visible, NOT taking back focus SECOND LOG REQUESTED BELOW: MSI (s) (6C:EC) [22:17:13:828]: Invoking remote custom action. DLL: F:\WINDOWS\Installer\MSIBB4.tmp, Entrypoint: NgenUpdateHighestVersionRollback MSI (s) (6C:64) [22:17:13:984]: Executing op: ActionStart(Name=CA_NgenRemoveNicPFROs_I_DEF_x86.3643236F_FC70_11D3_A536_0090278A1BB8,,) MSI (s) (6C:64) [22:17:13:984]: Executing op: ActionStart(Name=CA_NgenRemoveNicPFROs_I_RB_x86.3643236F_FC70_11D3_A536_0090278A1BB8,,) MSI (s) (6C:64) [22:17:13:984]: Executing op: CustomActionRollback(Action=CA_NgenRemoveNicPFROs_I_RB_x86.3643236F_FC70_11D3_A536_0090278A1BB8,ActionType=17729,Source=BinaryData,Target=NgenRemoveNicPFROs,) MSI (s) (6C:AC) [22:17:13:984]: Invoking remote custom action. DLL: F:\WINDOWS\Installer\MSIBB5.tmp, Entrypoint: NgenRemoveNicPFROs MSI (s) (6C:64) [22:17:14:000]: Executing op: End(Checksum=0,ProgressTotalHDWord=0,ProgressTotalLDWord=0) MSI (s) (6C:64) [22:17:14:000]: Error in rollback skipped. Return: 5 MSI (s) (6C:64) [22:17:14:015]: No System Restore sequence number for this installation. MSI (s) (6C:64) [22:17:14:015]: Unlocking Server MSI (s) (6C:64) [22:17:14:015]: PROPERTY CHANGE: Deleting UpdateStarted property. Its current value is '1'. MSI (s) (6C:64) [22:17:14:031]: Note: 1: 1708 MSI (s) (6C:64) [22:17:14:031]: Product: Microsoft .NET Framework 4 Client Profile -- Installation failed. MSI (s) (6C:64) [22:17:14:078]: Cleaning up uninstalled install packages, if any exist MSI (s) (6C:64) [22:17:14:078]: MainEngineThread is returning 1603 MSI (s) (6C:EC) [22:17:14:171]: Destroying RemoteAPI object. MSI (s) (6C:9C) [22:17:14:171]: Custom Action Manager thread ending. MSI (c) (F4:C4) [22:17:14:203]: Decrementing counter to disable shutdown. If counter >= 0, shutdown will be denied. Counter after decrement: -1 MSI (c) (F4:C4) [22:17:14:203]: MainEngineThread is returning 1603 === Verbose logging stopped: 10/21/2011 22:17:14 ===

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