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  • Cisco: unable to negotiate IP using IPCP with Windows server

    - by lnk
    I am connecting to Windows server using PPP (for vpn), I establish connection but server does not respond me for my address requests: *Mar 23 00:40:06.055: Vi1 MS-CHAP-V2: I CHALLENGE id 0 len 25 from "MSDC" *Mar 23 00:40:06.063: Vi1 MS CHAP V2: Using hostname from interface CHAP *Mar 23 00:40:06.063: Vi1 MS CHAP V2: Using password from interface CHAP *Mar 23 00:40:06.067: Vi1 MS-CHAP-V2: O RESPONSE id 0 len 69 from "XXX" *Mar 23 00:40:06.087: Vi1 PPP: I pkt type 0xC223, datagramsize 50 link[ppp] *Mar 23 00:40:06.087: Vi1 MS-CHAP-V2: I SUCCESS id 0 len 46 msg is "S=XXX" *Mar 23 00:40:06.087: Vi1 MS CHAP V2 No Password found for : XXX *Mar 23 00:40:06.091: Vi1 MS CHAP V2 Check AuthenticatorResponse Success for : XXX *Mar 23 00:40:06.091: Vi1 IPCP: O CONFREQ [Closed] id 1 len 20 *Mar 23 00:40:06.091: Vi1 IPCP: VSO OUI 0x00000C kind 1 (0x000A00000C0100000000) *Mar 23 00:40:06.091: Vi1 IPCP: Address 0.0.0.0 (0x030600000000) *Mar 23 00:40:07.091: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to up *Mar 23 00:40:07.091: Vi1 LCP: O ECHOREQ [Open] id 1 len 12 magic 0x194CAFCF *Mar 23 00:40:07.103: Vi1 LCP-FS: I ECHOREP [Open] id 1 len 12 magic 0x361B62E5 *Mar 23 00:40:07.103: Vi1 LCP-FS: Received id 1, sent id 1, line up *Mar 23 00:40:08.083: Vi1 IPCP: TIMEout: State REQsent *Mar 23 00:40:08.083: Vi1 IPCP: O CONFREQ [REQsent] id 2 len 20 *Mar 23 00:40:08.083: Vi1 IPCP: VSO OUI 0x00000C kind 1 (0x000A00000C0100000000) *Mar 23 00:40:08.083: Vi1 IPCP: Address 0.0.0.0 (0x030600000000) *Mar 23 00:40:10.099: Vi1 IPCP: TIMEout: State REQsent *Mar 23 00:40:10.099: Vi1 IPCP: O CONFREQ [REQsent] id 3 len 20 *Mar 23 00:40:10.099: Vi1 IPCP: VSO OUI 0x00000C kind 1 (0x000A00000C0100000000) *Mar 23 00:40:10.099: Vi1 IPCP: Address 0.0.0.0 (0x030600000000) *Mar 23 00:40:12.115: Vi1 IPCP: TIMEout: State REQsent *Mar 23 00:40:12.115: Vi1 IPCP: O CONFREQ [REQsent] id 4 len 20 *Mar 23 00:40:12.115: Vi1 IPCP: VSO OUI 0x00000C kind 1 (0x000A00000C0100000000) *Mar 23 00:40:12.115: Vi1 IPCP: Address 0.0.0.0 (0x030600000000) *Mar 23 00:40:12.211: Vi1 LCP: O ECHOREQ [Open] id 2 len 12 magic 0x194CAFCF *Mar 23 00:40:12.219: Vi1 LCP-FS: I ECHOREP [Open] id 2 len 12 magic 0x361B62E5 *Mar 23 00:40:12.219: Vi1 LCP-FS: Received id 2, sent id 2, line up *Mar 23 00:40:14.131: Vi1 IPCP: TIMEout: State REQsent *Mar 23 00:40:14.131: Vi1 IPCP: O CONFREQ [REQsent] id 5 len 20 *Mar 23 00:40:14.131: Vi1 IPCP: VSO OUI 0x00000C kind 1 (0x000A00000C0100000000) *Mar 23 00:40:14.131: Vi1 IPCP: Address 0.0.0.0 (0x030600000000) *Mar 23 00:40:16.147: Vi1 IPCP: TIMEout: State REQsent *Mar 23 00:40:16.147: Vi1 IPCP: O CONFREQ [REQsent] id 6 len 20 *Mar 23 00:40:16.147: Vi1 IPCP: VSO OUI 0x00000C kind 1 (0x000A00000C0100000000) *Mar 23 00:40:16.147: Vi1 IPCP: Address 0.0.0.0 (0x030600000000) *Mar 23 00:40:17.331: Vi1 LCP: O ECHOREQ [Open] id 3 len 12 magic 0x194CAFCF *Mar 23 00:40:17.343: Vi1 LCP-FS: I ECHOREP [Open] id 3 len 12 magic 0x361B62E5 *Mar 23 00:40:17.343: Vi1 LCP-FS: Received id 3, sent id 3, line up You see: My router asks for address, but only keepalives are on line. But the same server works with windows client!! ! version 12.4 no service pad service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption service internal ! hostname Router ! boot-start-marker boot-end-marker ! ! no aaa new-model ! resource policy ! ip subnet-zero ! ! ip cef vpdn enable ! vpdn-group pptp request-dialin protocol pptp pool-member 1 initiate-to ip XXXX ! ! ! ! ! ! ! bridge irb ! ! interface ATM0 no ip address shutdown no atm ilmi-keepalive dsl operating-mode auto ! interface FastEthernet0 ! interface FastEthernet1 ! interface FastEthernet2 ! interface FastEthernet3 ! interface Dot11Radio0 no ip address shutdown speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0 station-role root ! interface Vlan1 no ip address bridge-group 1 ! interface Dialer0 ip address negotiated encapsulation ppp dialer pool 1 dialer idle-timeout 0 dialer string XXX dialer persistent dialer vpdn dialer-group 1 keepalive 5 3 no cdp enable ppp authentication ms-chap-v2 optional ppp eap refuse ppp chap hostname XXX ppp chap password 0 XXX ppp ipcp mask request ppp ipcp ignore-map ppp ipcp address accept ! interface BVI1 mac-address XXX.XXX.XXX ip address dhcp ! ip classless ip route 172.0.0.0 255.0.0.0 Dialer0 ! no ip http server no ip http secure-server ! dialer-list 1 protocol ip permit ! control-plane ! bridge 1 protocol vlan-bridge bridge 1 route ip ! line con 0 no modem enable line aux 0 line vty 0 4 login ! scheduler max-task-time 5000 end

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  • SEAGATE Barracuda 7200.11 HDD not running

    - by Dane411
    After a huge research, I'm stuck at the beggining of getting my HDD data back. Whats happening to me is that in the moment when I plug the power wire to my external 1TB SEAGATE Barracuda 7200.11 ST31000333AS HDD Fw LC15, it makes the sound like it's spinning to almost full speed and then shuts down and spins up again, and so on. It's well known that those HDDs have a bad firmware that someday randomly fails. There are like 2 main problems identified, BSY (busy) state, and LBA0 error. Last time I connected it to power nothing happened, it didnt try to start at all, is it that so called bricked state? I guess my HDDs error is the first one, but I dont really know if what I described is that BSY state or not, neither I know how to check it. How could I know it? Thank you so much!

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  • What is the meaining of "deassert" in this context?

    - by Sam.Rueby
    The English majors over at Dell provided me with this error message provided by a PowerEdge 2950. CPU2 Status: Processor sensors for CPU2, IERR was deasserted I've Googled it, random forum posts aren't providing me with a clear answer. It's also apparently not a word: http://dictionary.reference.com/browse/deassert?s=t I can guess the meaning. Assert: to state with assurance, confidence, or force Okay. So the negative of that. The state of lack-of-confidence? What is this error message trying to tell me? Memory errors were grouped with this one: is it trying to say that IERR for CPU2 should be set, but is not? That the current system state is SNAFU but CPU2 sees everything as fine?

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  • Cisco redundancy modes

    - by user974896
    I am using a Cisco 6500 series with an SSO redundancy configuration. The show redundancy output is as follows: Hardware Mode = Duplex Configured Redundancy Mode = sso Operating Redundancy Mode = rpr Maintenance Mode = Disabled Communications = Up I would assume the device is operating in RPR mode although SSO is configured. What could cause this? Shouldn't the operating mode be SSO? EDIT (show redundancy states): my state = 13 -ACTIVE peer state = 4 -STANDBY COLD Mode = Duplex Unit = Primary Unit ID = 5 Redundancy Mode (Operational) = rpr Redundancy Mode (Configured) = sso Redundancy State = rpr Split Mode = Disabled Manual Swact = Enabled Communications = Up client count = 60 client_notification_TMR = 30000 milliseconds keep_alive TMR = 9000 milliseconds keep_alive count = 1 keep_alive threshold = 18 RF debug mask = 0x0

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  • critical swap nagios

    - by Toby Joiner
    I installed nagios a very long time ago, and have started trying to use it now. I am getting this error: Current Status: CRITICAL (for 231d 16h 52m 49s) Status Information: SWAP CRITICAL - 100% free (0 MB out of 0 MB) Performance Data: swap=0MB;0;0;0;0 Current Attempt: 4/4 (HARD state) Last Check Time: 01-09-2011 13:26:34 Check Type: ACTIVE Check Latency / Duration: 0.125 / 0.004 seconds Next Scheduled Check: 01-09-2011 13:31:34 Last State Change: 05-22-2010 21:36:47 Last Notification: 01-09-2011 13:01:42 (notification 5521) Is This Service Flapping? NO (0.00% state change) In Scheduled Downtime? NO Last Update: 01-09-2011 13:29:32 ( 0d 0h 0m 4s ago) Is this normal? Should I be concerned? If more info is needed please let me know.

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  • Home Server Restore

    - by Bryan Avery
    I have had to reinstall Home Server on my server and I would now like to restore it back to the state it was the last moment it stopped. I have the hard drive in a state it was last in, which is a small 250 gb hard disk. I have now installed 1.5tb hard disks, and installed a full licenced copy, as the original copy was a trial version. So I'm in a state where I have a new install, I have one of the old drives plugged in, but I can't transfer the old backups across, how do I do this?

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  • Home Server Restore

    - by Bryan Avery
    I have had to reinstall Home Server on my server and I would now like to restore it back to the state it was the last moment it stopped. I have the hard drive in a state it was last in, which is a small 250 gb hard disk. I have now installed 1.5tb hard disks, and installed a full licenced copy, as the original copy was a trial version. So I'm in a state where I have a new install, I have one of the old drives plugged in, but I can't transfer the old backups across, how do I do this?

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  • What could cause a flurry of Microsoft-Windows-Servicing events?

    - by MattUebel
    I have a windows 2k8 machine that generated almost 40,000 WinEventLog:System events in the period of about 20 minutes. The breakdown of these events by eventcode was approximately: 4373 46% 4371 46% 4383 7% 4372 1% Microsoft-Windows-Servicing seemed to go crazy for a short time.... looking at updates, changing the state of updates etc. What could have caused this? UPDATE: Many of the events seem to come in pairs of: Windows Servicing started a process of changing package KBfoobar state from Installed(Installed) to Installed(Installed) and Windows Servicing successfully set package KBfoobar state to Installed(Intstalled)

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  • outlook iptables configuration [update]

    - by mediaexpert
    I've a Debian mail server, but only the outlook users can't be able to download the emails. I've seen a lot of post about some kind of forwarding port configuration, I've tried some commands, but I don't be able to solve this problem, please help me. [LAST UPDATE] I find a lot of TIME WAIT on ipv6 netstat tcp6 0 0 my.mailserver.it:imap2 200-62-245-188.ip2:17060 TIME_WAIT - below some config files: pop3d I think the problem was here ##NAME: POP3AUTH:1 # # To advertise the SASL capability, per RFC 2449, uncomment the POP3AUTH # variable: # # POP3AUTH="LOGIN" # # If you have configured the CRAM-MD5, CRAM-SHA1 or CRAM-SHA256, set POP3AUTH # to something like this: # # POP3AUTH="LOGIN CRAM-MD5 CRAM-SHA1" POP3AUTH="" ##NAME: POP3AUTH_ORIG:1 # # For use by webadmin POP3AUTH_ORIG="PLAIN LOGIN CRAM-MD5 CRAM-SHA1 CRAM-SHA256" ##NAME: POP3AUTH_TLS:1 # # To also advertise SASL PLAIN if SSL is enabled, uncomment the # POP3AUTH_TLS environment variable: # # POP3AUTH_TLS="LOGIN PLAIN" POP3_TLS_REQUIRED = 0 POP3AUTH_TLS="" ##NAME: POP3AUTH_TLS_ORIG:0 # # For use by webadmin POP3AUTH_TLS_ORIG="LOGIN PLAIN" ##NAME: POP3_PROXY:0 # # Enable proxying. See README.proxy # # For use by webadmin POP3AUTH_TLS_ORIG="LOGIN PLAIN" ##NAME: POP3_PROXY:0 # # Enable proxying. See README.proxy POP3_PROXY=0 ##NAME: PROXY_HOSTNAME:0 # # Override value from gethostname() when checking if a proxy connection is # required. # PROXY_HOSTNAME= ##NAME: PORT:1 ##NAME: PROXY_HOSTNAME:0 # # Override value from gethostname() when checking if a proxy connection is # required. # PROXY_HOSTNAME= ##NAME: PORT:1 # # Port to listen on for connections. The default is port 110. # # Multiple port numbers can be separated by commas. When multiple port # numbers are used it is possibly to select a specific IP address for a # given port as "ip.port". For example, "127.0.0.1.900,192.68.0.1.900" # accepts connections on port 900 on IP addresses 127.0.0.1 and 192.68.0.1 # The ADDRESS setting is a default for ports that do not have a specified # IP address. # Port to listen on for connections. The default is port 110. # # Multiple port numbers can be separated by commas. When multiple port # numbers are used it is possibly to select a specific IP address for a # given port as "ip.port". For example, "127.0.0.1.900,192.68.0.1.900" # accepts connections on port 900 on IP addresses 127.0.0.1 and 192.68.0.1 # The ADDRESS setting is a default for ports that do not have a specified # IP address. PORT=110 ##NAME: ADDRESS:0 # # IP address to listen on. 0 means all IP addresses. ADDRESS=0 ##NAME: TCPDOPTS:0 # ##NAME: ADDRESS:0 # # IP address to listen on. 0 means all IP addresses. ADDRESS=0 ##NAME: TCPDOPTS:0 # # Other couriertcpd(1) options. The following defaults should be fine. # TCPDOPTS="-nodnslookup -noidentlookup" ##NAME: LOGGEROPTS:0 # # courierlogger(1) options. # LOGGEROPTS="-name=pop3d" ##NAME: DEFDOMAIN:0 # # Optional default domain. If the username does not contain the # first character of DEFDOMAIN, then it is appended to the username. # If DEFDOMAIN and DOMAINSEP are both set, then DEFDOMAIN is appended # only if the username does not contain any character from DOMAINSEP. # You can set different default domains based on the the interface IP # address using the -access and -accesslocal options of couriertcpd(1). DEFDOMAIN="@interzone.it" ##NAME: POP3DSTART:0 # # POP3DSTART is not referenced anywhere in the standard Courier programs # or scripts. Rather, this is a convenient flag to be read by your system # startup script in /etc/rc.d, like this: # # . /etc/courier/pop3d DEFDOMAIN="@mydomain.com" ##NAME: POP3DSTART:0 # # POP3DSTART is not referenced anywhere in the standard Courier programs # or scripts. Rather, this is a convenient flag to be read by your system # startup script in /etc/rc.d, like this: # # . /etc/courier/pop3d # case x$POP3DSTART in # x[yY]*) # /usr/lib/courier/pop3d.rc start # ;; # esac # # The default setting is going to be NO, until Courier is shipped by default # with enough platforms so that people get annoyed with having to flip it to # YES every time. # x[yY]*) # /usr/lib/courier/pop3d.rc start # ;; # esac # # The default setting is going to be NO, until Courier is shipped by default # with enough platforms so that people get annoyed with having to flip it to # YES every time. POP3DSTART=YES ##NAME: MAILDIRPATH:0 # # MAILDIRPATH - directory name of the maildir directory. # MAILDIRPATH=.maildir iptables Chain INPUT (policy DROP 20 packets, 1016 bytes) pkts bytes target prot opt in out source destination 60833 16M ACCEPT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:143 state NEW,ESTABLISHED 18970 971K ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp spts:1024:65535 dpt:110 state NEW,ESTABLISHED Chain FORWARD (policy DROP 0 packets, 0 bytes) pkts bytes target prot opt in out source destination 0 0 ACCEPT tcp -- * * 192.168.0.0/24 0.0.0.0/0 tcp dpt:110 0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 0 0 ACCEPT tcp -- * * 192.168.1.0/24 0.0.0.0/0 tcp dpt:110 0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:25 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:110 pop3d.cnf RANDFILE = /usr/lib...pop3d.rand [req] default_bits = 1024 encrypt_key = yes distinguidhed_name = req_dn x509_extensions = cert_type prompt = no [req_dn] C=US ST=NY L= New York O=Courier Mail Server OU=Automatically-generated POP3 SSL key CN=localhost [email protected] [cert_type] nsCertType = server

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  • TOP CPU usage for whole system

    - by heike
    I am using a machine that has using cat /proc/cpuinfo | grep processor | wc -l returning 8 I am trying to load the server using a load generator that I wrote, and capture the behaviour of TOP command for idle (as the software that is tested on server runs on ROOT). Doing the load as an increasing step function, I capture the idle state every second, and see the result. Strange thing is that when I increase the load every 1 minute, the idle state is infact increasing (??). This honestly does not make sense .. I thought with more load, the idle state will decrease, and the cpu usage will increase. Is there any reasonable explanation for this behaviour, maybe for the server utilization itself? Thanks for any feedback -- ok, no idea for the down vote. but I try to find this behaviour a lot, can not find any reasonable things to explain this ..

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  • Vagrant sahara plugin - multiple snapshots

    - by BazZy
    How I can make more than one snapshot when in sahara sandbox mode? Or, can I see list of all commits I've ever made and rollback to any? Why do I need all this? I just want to setup initial VM. After that I want to compile number of packages from sources, and this takes pretty long time. So right now I thinking of this order: Setup initial ubuntu 12.04 vagrant box Snapshot this state Compile sources, install system wide rbenv (it make compilation also) Snapshot second state Start all my infrastructure experiments Rollback to any of my previous states or commit third state

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  • Allowing ssh in iptables

    - by sat
    I am doing iptables firewall configuration. Actually, I need to allow ssh connection only from particular IP. But, It is blocking the ssh connection. I used the below commands. sat:~# iptables -F sat:~# iptables -A INPUT -p tcp -s src_ip_address -d my_ip_address --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT sat:~# iptables -A INPUT -j DROP sat:~# iptables -nL Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- src_ip_address my_ip_address tcp dpt:22 state NEW,ESTABLISHED DROP all -- 0.0.0.0/0 0.0.0.0/0 Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination If I try to connect from src_ip_address to my_ip_address, it is blocking the connection. Even, It is blocking from my_ip_address to src_ip_address . I haven't put any rules for OUTPUT chain. What is wrong with my commands? How to allow ssh in iptables?

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  • Ladder-like word game in Java

    - by sasquatch90
    I've found this question http://stackoverflow.com/questions/2844190/choosing-design-method-for-ladder-like-word-game and I would also like to do this kind of program. I've written some code but already have two issues. Here's what I already have : GRID : public class Grid { public Grid(){} public Grid( Element e ){} } ELEMENT : public class Element { final int INVISIBLE = 0; final int EMPTY = 1; final int FIRST_LETTER = 2; final int OTHER_LETTER = 3; private int state; private String letter; public Element(){} //empty block public Element(int state){ this("", 0); } //filled block public Element(String s, int state){ this.state = state; this.letter = s; } public static void changeState(int s){ } public int getState(){ return state; } public boolean equalLength(){ return true; } public boolean equalValue(){ return true; } @Override public String toString(){ return "["+letter+"]"; } } MAIN: import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); System.out.println("Height: "); while (!sc.hasNextInt()) { System.out.println("int, please!"); sc.next(); } final int height = sc.nextInt(); Grid[] game = new Grid[height]; for(int i = 1; i <= height; i++) { String s; do { System.out.println("Length " + i + ", please!"); s = sc.next(); } while (s.length() != i); Element[] line = new Element[s.length()+1]; Element single = null; String[] temp = null; //issue here temp = s.split(""); System.out.println("s.length: "+s.length()); System.out.println("temp.length: "+temp.length); // for(String str : temp){ System.out.println("str:"+str); } for (int k = 0 ; k < temp.length ; k++) { if( k == 0 ){ single = new Element(temp[k], 2); System.out.println("single1: "+single); } else{ single = new Element(temp[k], 3); System.out.println("single2: "+single); } line[k] = single; } for (Element l : line) { System.out.println("line:"+l); } //issue here game[i] = line; } // for (Grid g : game) { System.out.println(g); } } } And sample output for debug : Height: 3 Length 1, please! A s.length: 1 temp.length: 2 str: str:A single1: [] single2: [A] line:[] line:[A] Here's what I think it should work like. I grab a word from user. Next create Grid element for whole game. Then for each line I create Element[] array called line. I split the given text and here's the first problem. Why string.split() adds a whitespace ? You can see clearly in output that it is added for no reason. How can I get rid of it (now I had to add +1 to the length of line just to run the code). Continuing I'm throwing the splitted text into temporary String array and next from each letter I create Element object and throw it to line array. Apart of this empty space output looks fine. But next problem is with Grid. I've created constructor taking Element as an argument, but still I can't throw line as Grid[] elements because of 'incompatible types'. How can I fix that ? Am I even doing it right ? Maybe I should get rid of line as Element[] and just create Grid[][] ?

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  • Faulty to use memcache together with a php web-browser-game in this way?

    - by Crowye
    Background We are currently working on a strategy web-browser game based on php, html and javascript. The plan is to have 10,000+ users playing within the same world. Currently we are using memcached to: store json static data, language files store changeable serialized php class objects (such as armies, inventorys, unit-containers, buildings, etc) In the back we have a mysql server running and holding all the game data aswell. When a object is loaded through our ObjectLoader it loads in this order: checks a static hashmap in the script for the object checks memcache if it has already been loaded into it otherwise loads from database, and saves it into memcache and the static temp hashmap We have built the whole game using a class-object-oriented approach where functionality is always made between objects. Beause of this we think we have managed to get a nice structure, and with the help of memcached we have received good request times from client-server when interacting with the game. I'm aware that memcache is not synchronized, and also is not commonly used for holding a full game in memory. In the beginning after a server's startup the load times when loading objects into memcache for the first time will be high, but after the server's been online for a while and most loads are from memcache, the loads will be well reduced. Currently we are saving changed objects into memcache and database at the same time. Earlier we had an idea to save objects into db only after a certain time or at intervals, but due to risk inconsistency if the memcache/server went down, we skipped it for now. Client requests to server often return object's status simple json-format without changing the object, which in turn is represented in the browser visually with images and javascript. But from time to time depending on when an object was last updated, it updates them with new information (e.g. a build-queue holding planned buildings time-progress is increased, and/or planned-queue-items-array has changed). Questions: Do you see how this could work or are we walking in blindness here? Do you expect us to have a lot of inconsistency issues if someone loads and updates the a memcache objects while someone else does the same? Is it even doable to do it in the way he have done it? Seems to be working fine atm, but so far we have only been 4 people online at the same time.. Is some other cache program more fit for this class-object approach than memcached? Is there any other tips you have for this situation? UPDATE Since it is simply a "normal webpage" (no applet, flash, etc), we are implementing the game so that the server is the only one holding a "real game-state".. the state of the different javascript-objects on the client is more like a approximative version of the server's game state. From time to time and before you do certain things important things, the client's visual state is updated to the server's state (e.g. the client things he can afford a barracks, asks the server to build a barracks, server updates current resources according to income-data on server and then tries to build a barracks or casts an error-message, and then sends the current server-state on resources, buildings back to the client).. It is not a fast-paced game lika real strategy game. More like a quite slow 3-4 months playtime game, where buildings can take +1 minute up to several days to complete.

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  • jQuery encoding values differently than expected for jQuery.ajax data elements

    - by Adam Tuttle
    I'm using jQuery.ajax() to make a PUT request to a REST web service, but seeing some really strange serialization behavior. (Before you say it: Yes, I know that not all browsers support PUT -- this is just an example implementation for an api/framework, and ultimately will not be called by a browser, but rather by a server-side library that does support the extra http verbs.) Here's the form: <form action="/example/api/artist" method="put" id="update"> First Name: <input type="text" name="firstname" /><br/> Last Name: <input type="text" name="lastname" /><br/> Address: <input type="text" name="address" /><br/> City: <input type="text" name="city" /><br/> State: <input type="text" name="state" /><br/> Postal Code: <input type="text" name="postalcode" /><br/> Email: <input type="text" name="email" /><br/> Phone: <input type="text" name="phone" /><br/> Fax: <input type="text" name="fax" /><br/> Password: <input type="text" name="thepassword" /><br/> <input type="hidden" name="debug" value="true" /> <input type="submit" value="Update Artist" /> <input type="reset" value="Cancel" id="updateCancel" /> </form> And the JS: $("#update").submit(function(e){ e.preventDefault(); var frm = $(this); $.ajax({ url: frm.attr('action'), data:{ firstname: $("#update input[name=firstname]").val(), lastname: $("#update input[name=lastname]").val(), address: $("#update input[name=address]").val(), city: $("#update input[name=city]").val(), state: $("#update input[name=state]").val(), postalcode: $("#update input[name=postalcode]").val(), email: $("#update input[name=email]").val(), phone: $("#update input[name=phone]").val(), fax: $("#update input[name=fax]").val(), thepassword: $("#update input[name=thepassword]").val() }, type: frm.attr('method'), dataType: "json", contentType: "application/json", success: function (data, textStatus, xhr){ console.log(data); reloadData(); }, error: function (xhr, textStatus, err){ console.log(textStatus); console.log(err); } }); }); When using FireBug, I see the request go through as this: firstname=Austin&lastname=Weber&address=25463+Main+Street%2C+Suite+C&city=Berkeley&state=CA&postalcode=94707-4513&email=austin%40life.com&phone=555-513-4318&fax=510-513-4888&thepassword=nopolyes That's not horrible, but ideally I'd rather get %20 instead of + for spaces. I tried wrapping each field value lookup in an escape: firstname: escape($("#update input[name=firstname]").val()) But that makes things worse: firstname=Austin&lastname=Weber&address=25463%2520Main%2520Street%252C%2520Suite%2520C&city=Berkeley&state=CA&postalcode=94707-4513&email=austin%40life.com&phone=555-513-4318&fax=510-513-4888&thepassword=nopolyes In this case, the value is being escaped twice; so first the space is encoded to %20, and then the % sign is escaped to %25 resulting in the %2520 for spaces, and %252C for the comma in the address field. What am I doing wrong here?

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  • Problems with Asynchronous UDP Sockets

    - by ihatenetworkcoding
    Hi, I'm struggling a bit with socket programming (something I'm not at all familiar with) and I can't find anything which helps from google or MSDN (awful). Apologies for the length of this. Basically I have an existing service which recieves and responds to requests over UDP. I can't change this at all. I also have a client within my webapp which dispatches and listens for responses to that service. The existing client I've been given is a singleton which creates a socket and an array of response slots, and then creates a background thread with an infinite looping method that makes "sock.Receive()" calls and pushes the data received into the slot array. All kinds of things about this seem wrong to me and the infinite thread breaks my unit testing so I'm trying to replace this service with one which makes it's it's send/receives asynchronously instead. Point 1: Is this the right approach? I want a non-blocking, scalable, thread-safe service. My first attempt is roughly like this, which sort of worked but the data I got back was always shorter than expected (i.e. the buffer did not have the number of bytes requested) and seemed to throw exceptions when processed. private Socket MyPreConfiguredSocket; public object Query() { //build a request this.MyPreConfiguredSocket.SendTo(MYREQUEST, packet.Length, SocketFlags.Multicast, this._target); IAsyncResult h = this._sock.BeginReceiveFrom(response, 0, BUFFER_SIZE, SocketFlags.None, ref this._target, new AsyncCallback(ARecieve), this._sock); if (!h.AsyncWaitHandle.WaitOne(TIMEOUT)) { throw new Exception("Timed out"); } //process response data (always shortened) } private void ARecieve (IAsyncResult result) { int bytesreceived = (result as Socket).EndReceiveFrom(result, ref this._target); } My second attempt was based on more google trawling and this recursive pattern I frequently saw, but this version always times out! It never gets to ARecieve. public object Query() { //build a request this.MyPreConfiguredSocket.SendTo(MYREQUEST, packet.Length, SocketFlags.Multicast, this._target); State s = new State(this.MyPreConfiguredSocket); this.MyPreConfiguredSocket.BeginReceiveFrom(s.Buffer, 0, BUFFER_SIZE, SocketFlags.None, ref this._target, new AsyncCallback(ARecieve), s); if (!s.Flag.WaitOne(10000)) { throw new Exception("Timed out"); } //always thrown //process response data } private void ARecieve (IAsyncResult result) { //never gets here! State s = (result as State); int bytesreceived = s.Sock.EndReceiveFrom(result, ref this._target); if (bytesreceived > 0) { s.Received += bytesreceived; this._sock.BeginReceiveFrom(s.Buffer, s.Received, BUFFER_SIZE, SocketFlags.None, ref this._target, new AsyncCallback(ARecieve), s); } else { s.Flag.Set(); } } private class State { public State(Socket sock) { this._sock = sock; this._buffer = new byte[BUFFER_SIZE]; this._buffer.Initialize(); } public Socket Sock; public byte[] Buffer; public ManualResetEvent Flag = new ManualResetEvent(false); public int Received = 0; } Point 2: So clearly I'm getting something quite wrong. Point 3: I'm not sure if I'm going about this right. How does the data coming from the remote service even get to the right listening thread? Do I need to create a socket per request? Out of my comfort zone here. Need help.

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  • Not Playing Nice Together

    - by David Douglass
    One of the things I’ve noticed is that two industry trends are not playing nice together, those trends being multi-core CPUs and massive hard drives.  It’s not a problem if you keep your cores busy with compute intensive work, but for software developers the beauty of multi-core CPUs (along with gobs of RAM and a 64 bit OS) is virtualization.  But when you have only one hard drive (who needs another when it holds 2 TB of data?) you wind up with a serious hard drive bottleneck.  A solid state drive would definitely help, and might even be a complete solution, but the cost is ridiculous.  Two TB of solid state storage will set you back around $7,000!  A spinning 2 TB drive is only $150. I see a couple of solutions for this.  One is the mainframe concept of near and far storage: put the stuff that will be heavily access on a solid state drive and the rest on a spinning drive.  Another solution is multiple spinning drives.  Instead of a single 2 TB drive, get four 500 GB drives.  In total, the four 500 GB drives will cost about $100 more than the single 2 TB drive.  You’ll need to be smart about what drive you place things on so that the load is spread evenly.  Another option, for better performance, would be four 10,000 RPM 300 GB drives, but that would cost about $800 more than the singe 2 TB drive and would deliver only 1.2 TB of space. All pricing based on Microcenter as of March 14, 2010.

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  • General Overview of Design Pattern Types

    Typically most software engineering design patterns fall into one of three categories in regards to types. Three types of software design patterns include: Creational Type Patterns Structural Type Patterns Behavioral Type Patterns The Creational Pattern type is geared toward defining the preferred methods for creating new instances of objects. An example of this type is the Singleton Pattern. The Singleton Pattern can be used if an application only needs one instance of a class. In addition, this singular instance also needs to be accessible across an application. The benefit of the Singleton Pattern is that you control both instantiation and access using this pattern. The Structural Pattern type is a way to describe the hierarchy of objects and classes so that they can be consolidated into a larger structure. An example of this type is the Façade Pattern.  The Façade Pattern is used to define a base interface so that all other interfaces inherit from the parent interface. This can be used to simplify a number of similar object interactions into one single standard interface. The Behavioral Pattern Type deals with communication between objects. An example of this type is the State Design Pattern. The State Design Pattern enables objects to alter functionality and processing based on the internal state of the object at a given time.

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  • Where did my form go in SharePoint 2010!?

    - by MOSSLover
    So I was working on an intro to development demo for the Central NJ .Net User Group and I found a few kinks.  I opened up a form to custom in InfoPath and Quick Published it wouldn’t work.  I imed my InfoPath guru friend, Lori Gowin, she said try to run a regular publish.  The form was still not showing up in SharePoint.  I could open it and it knew my changes, but it would just not render in a browser.  So I decided to create a form from scratch without using the button customize form in the list.  That did not work, so it was google time.  Finally I found this blog post: http://qwertconsulting.wordpress.com/2009/12/22/list-form-from-infopath-2010-is-blank/.  Once I went into the configuration wizard and turned on the State Service everything worked perfectly fine.  It was great.  See I normally don’t run through the wizard and check the box to turn all the services on in SharePoint.  I usually like a leaner environment plus I want to learn how everything works.  So I guess most people had no idea what was going on in the background.  To get InfoPath to work you need the session state.  It’s doing some type of caching in the browser.  Very neat stuff.  I hope this helps one of you out there some day. Technorati Tags: InfoPath 2010,SharePoint 2010,State Service

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  • Juju Zookeeper & Provisioning Agent Not Deployed

    - by Keith Tobin
    I am using juju with the openstack provider, i expected that when i bootstrap that zookeeper and provisioning agent would get deployed on the bootstrap vm in openstack. This dose not seem to be the case. the bootstrap vm gets deployed but it seems that nothing gets deployed to the VM. See logs below, I may be missing something, also how is it possible to log on the bootstrap vm. Could I manual deploy, if so what do I need to do. Juju Bootstrap commend root@cinder01:/home/cinder# juju -v bootstrap 2012-10-12 03:21:20,976 DEBUG Initializing juju bootstrap runtime 2012-10-12 03:21:20,982 WARNING Verification of xxxxS certificates is disabled for this environment. Set 'ssl-hostname-verification' to ensure secure communication. 2012-10-12 03:21:20,982 DEBUG openstack: using auth-mode 'userpass' with xxxx:xxxxxx.10:35357/v2.0/ 2012-10-12 03:21:21,064 DEBUG openstack: authenticated til u'2012-10-13T08:21:13Z' 2012-10-12 03:21:21,064 DEBUG openstack: GET 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors' 2012-10-12 03:21:21,091 DEBUG openstack: 200 '{"flavors": [{"id": "3", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/3", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/3", "rel": "bookmark"}], "name": "m1.medium"}, {"id": "4", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/4", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/4", "rel": "bookmark"}], "name": "m1.large"}, {"id": "1", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/1", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/1", "rel": "bookmark"}], "name": "m1.tiny"}, {"id": "5", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/5", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/5", "rel": "bookmark"}], "name": "m1.xlarge"}, {"id": "2", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/2", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/2", "rel": "bookmark"}], "name": "m1.small"}]}' 2012-10-12 03:21:21,091 INFO Bootstrapping environment 'openstack' (origin: ppa type: openstack)... 2012-10-12 03:21:21,091 DEBUG access object-store @ xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/provider-state 2012-10-12 03:21:21,092 DEBUG openstack: GET 'xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/provider-state' 2012-10-12 03:21:21,165 DEBUG openstack: 200 '{}\n' 2012-10-12 03:21:21,165 DEBUG Verifying writable storage 2012-10-12 03:21:21,165 DEBUG access object-store @ xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/bootstrap-verify 2012-10-12 03:21:21,166 DEBUG openstack: PUT 'xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/bootstrap-verify' 2012-10-12 03:21:21,251 DEBUG openstack: 201 '201 Created\n\n\n\n ' 2012-10-12 03:21:21,251 DEBUG Launching juju bootstrap instance. 2012-10-12 03:21:21,271 DEBUG access object-store @ xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/juju_master_id 2012-10-12 03:21:21,273 DEBUG access compute @ xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-security-groups 2012-10-12 03:21:21,273 DEBUG openstack: GET 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-security-groups' 2012-10-12 03:21:21,321 DEBUG openstack: 200 '{"security_groups": [{"rules": [{"from_port": -1, "group": {}, "ip_protocol": "icmp", "to_port": -1, "parent_group_id": 1, "ip_range": {"cidr": "0.0.0.0/0"}, "id": 7}, {"from_port": 22, "group": {}, "ip_protocol": "tcp", "to_port": 22, "parent_group_id": 1, "ip_range": {"cidr": "0.0.0.0/0"}, "id": 38}], "tenant_id": "d5f52673953f49e595279e89ddde979d", "id": 1, "name": "default", "description": "default"}]}' 2012-10-12 03:21:21,322 DEBUG Creating juju security group juju-openstack 2012-10-12 03:21:21,322 DEBUG openstack: POST 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-security-groups' 2012-10-12 03:21:21,401 DEBUG openstack: 200 '{"security_group": {"rules": [], "tenant_id": "d5f52673953f49e595279e89ddde979d", "id": 48, "name": "juju-openstack", "description": "juju group for openstack"}}' 2012-10-12 03:21:21,401 DEBUG openstack: POST 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-security-group-rules' 2012-10-12 03:21:21,504 DEBUG openstack: 200 '{"security_group_rule": {"from_port": 22, "group": {}, "ip_protocol": "tcp", "to_port": 22, "parent_group_id": 48, "ip_range": {"cidr": "0.0.0.0/0"}, "id": 54}}' 2012-10-12 03:21:21,504 DEBUG openstack: POST 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-security-group-rules' 2012-10-12 03:21:21,647 DEBUG openstack: 200 '{"security_group_rule": {"from_port": 1, "group": {"tenant_id": "d5f52673953f49e595279e89ddde979d", "name": "juju-openstack"}, "ip_protocol": "tcp", "to_port": 65535, "parent_group_id": 48, "ip_range": {}, "id": 55}}' 2012-10-12 03:21:21,647 DEBUG openstack: POST 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-security-group-rules' 2012-10-12 03:21:21,791 DEBUG openstack: 200 '{"security_group_rule": {"from_port": 1, "group": {"tenant_id": "d5f52673953f49e595279e89ddde979d", "name": "juju-openstack"}, "ip_protocol": "udp", "to_port": 65535, "parent_group_id": 48, "ip_range": {}, "id": 56}}' 2012-10-12 03:21:21,792 DEBUG Creating machine security group juju-openstack-0 2012-10-12 03:21:21,792 DEBUG openstack: POST 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-security-groups' 2012-10-12 03:21:21,871 DEBUG openstack: 200 '{"security_group": {"rules": [], "tenant_id": "d5f52673953f49e595279e89ddde979d", "id": 49, "name": "juju-openstack-0", "description": "juju group for openstack machine 0"}}' 2012-10-12 03:21:21,871 DEBUG access compute @ xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/detail 2012-10-12 03:21:21,871 DEBUG openstack: GET 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/detail' 2012-10-12 03:21:21,906 DEBUG openstack: 200 '{"flavors": [{"vcpus": 2, "disk": 10, "name": "m1.medium", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/3", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/3", "rel": "bookmark"}], "rxtx_factor": 1.0, "OS-FLV-EXT-DATA:ephemeral": 40, "ram": 4096, "id": "3", "swap": ""}, {"vcpus": 4, "disk": 10, "name": "m1.large", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/4", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/4", "rel": "bookmark"}], "rxtx_factor": 1.0, "OS-FLV-EXT-DATA:ephemeral": 80, "ram": 8192, "id": "4", "swap": ""}, {"vcpus": 1, "disk": 0, "name": "m1.tiny", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/1", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/1", "rel": "bookmark"}], "rxtx_factor": 1.0, "OS-FLV-EXT-DATA:ephemeral": 0, "ram": 512, "id": "1", "swap": ""}, {"vcpus": 8, "disk": 10, "name": "m1.xlarge", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/5", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/5", "rel": "bookmark"}], "rxtx_factor": 1.0, "OS-FLV-EXT-DATA:ephemeral": 160, "ram": 16384, "id": "5", "swap": ""}, {"vcpus": 1, "disk": 10, "name": "m1.small", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/flavors/2", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/2", "rel": "bookmark"}], "rxtx_factor": 1.0, "OS-FLV-EXT-DATA:ephemeral": 20, "ram": 2048, "id": "2", "swap": ""}]}' 2012-10-12 03:21:21,907 DEBUG access compute @ xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers 2012-10-12 03:21:21,907 DEBUG openstack: POST 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers' 2012-10-12 03:21:22,284 DEBUG openstack: 202 '{"server": {"OS-DCF:diskConfig": "MANUAL", "id": "a598b402-8678-4447-baeb-59255409a023", "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023", "rel": "bookmark"}], "adminPass": "SuFp48cZzdo4"}}' 2012-10-12 03:21:22,284 DEBUG access object-store @ xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/juju_master_id 2012-10-12 03:21:22,285 DEBUG openstack: PUT 'xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/juju_master_id' 2012-10-12 03:21:22,375 DEBUG openstack: 201 '201 Created\n\n\n\n ' 2012-10-12 03:21:27,379 DEBUG Waited for 5 seconds for networking on server u'a598b402-8678-4447-baeb-59255409a023' 2012-10-12 03:21:27,380 DEBUG access compute @ xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023 2012-10-12 03:21:27,380 DEBUG openstack: GET 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023' 2012-10-12 03:21:27,556 DEBUG openstack: 200 '{"server": {"OS-EXT-STS:task_state": "networking", "addresses": {"private": [{"version": 4, "addr": "10.0.0.8"}]}, "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023", "rel": "bookmark"}], "image": {"id": "5bf60467-0136-4471-9818-e13ade75a0a1", "links": [{"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/images/5bf60467-0136-4471-9818-e13ade75a0a1", "rel": "bookmark"}]}, "OS-EXT-STS:vm_state": "building", "OS-EXT-SRV-ATTR:instance_name": "instance-00000060", "flavor": {"id": "1", "links": [{"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/1", "rel": "bookmark"}]}, "id": "a598b402-8678-4447-baeb-59255409a023", "user_id": "01610f73d0fb4922aefff09f2627e50c", "OS-DCF:diskConfig": "MANUAL", "accessIPv4": "", "accessIPv6": "", "progress": 0, "OS-EXT-STS:power_state": 0, "config_drive": "", "status": "BUILD", "updated": "2012-10-12T08:21:23Z", "hostId": "1cdb25708fb8e464d83a69fe4a024dcd5a80baf24a82ec28f9d9f866", "OS-EXT-SRV-ATTR:host": "nova01", "key_name": "", "OS-EXT-SRV-ATTR:hypervisor_hostname": null, "name": "juju openstack instance 0", "created": "2012-10-12T08:21:22Z", "tenant_id": "d5f52673953f49e595279e89ddde979d", "metadata": {}}}' 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2012-10-12 03:21:27,557 DEBUG access compute @ xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-floating-ips 2012-10-12 03:21:27,557 DEBUG openstack: GET 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/os-floating-ips' 2012-10-12 03:21:27,815 DEBUG openstack: 200 '{"floating_ips": [{"instance_id": "a0e0df11-91c0-4801-95b3-62d910d729e9", "ip": "xxxx.35", "fixed_ip": "10.0.0.5", "id": 447, "pool": "nova"}, {"instance_id": "b84f1a42-7192-415e-8650-ebb1aa56e97f", "ip": "xxxx.36", "fixed_ip": "10.0.0.6", "id": 448, "pool": "nova"}, {"instance_id": null, "ip": "xxxx.37", "fixed_ip": null, "id": 449, "pool": "nova"}, {"instance_id": null, "ip": "xxxx.38", "fixed_ip": null, "id": 450, "pool": "nova"}, {"instance_id": null, "ip": "xxxx.39", "fixed_ip": null, "id": 451, "pool": "nova"}, {"instance_id": null, "ip": "xxxx.40", "fixed_ip": null, "id": 452, "pool": "nova"}, {"instance_id": null, "ip": "xxxx.41", "fixed_ip": null, "id": 453, "pool": "nova"}]}' 2012-10-12 03:21:27,815 DEBUG access compute @ xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023/action 2012-10-12 03:21:27,816 DEBUG openstack: POST 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023/action' 2012-10-12 03:21:28,356 DEBUG openstack: 202 '' 2012-10-12 03:21:28,356 DEBUG access object-store @ xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/provider-state 2012-10-12 03:21:28,357 DEBUG openstack: PUT 'xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/provider-state' 2012-10-12 03:21:28,446 DEBUG openstack: 201 '201 Created\n\n\n\n ' 2012-10-12 03:21:28,446 INFO 'bootstrap' command finished successfully Juju Status Command root@cinder01:/home/cinder# juju -v status 2012-10-12 03:23:28,314 DEBUG Initializing juju status runtime 2012-10-12 03:23:28,320 WARNING Verification of xxxxS certificates is disabled for this environment. Set 'ssl-hostname-verification' to ensure secure communication. 2012-10-12 03:23:28,320 DEBUG openstack: using auth-mode 'userpass' with xxxx:xxxxxx.10:35357/v2.0/ 2012-10-12 03:23:28,320 INFO Connecting to environment... 2012-10-12 03:23:28,403 DEBUG openstack: authenticated til u'2012-10-13T08:23:20Z' 2012-10-12 03:23:28,403 DEBUG access object-store @ xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/provider-state 2012-10-12 03:23:28,403 DEBUG openstack: GET 'xxxx:xx10.49.113.11:8080/v1/AUTH_d5f52673953f49e595279e89ddde979d/juju-hpc-az1-cb/provider-state' 2012-10-12 03:23:35,480 DEBUG openstack: 200 'zookeeper-instances: [a598b402-8678-4447-baeb-59255409a023]\n' 2012-10-12 03:23:35,480 DEBUG access compute @ xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023 2012-10-12 03:23:35,480 DEBUG openstack: GET 'xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023' 2012-10-12 03:23:35,662 DEBUG openstack: 200 '{"server": {"OS-EXT-STS:task_state": null, "addresses": {"private": [{"version": 4, "addr": "10.0.0.8"}, {"version": 4, "addr": "xxxx.37"}]}, "links": [{"href": "xxxx:xxxxxx.15:8774/v1.1/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023", "rel": "self"}, {"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/servers/a598b402-8678-4447-baeb-59255409a023", "rel": "bookmark"}], "image": {"id": "5bf60467-0136-4471-9818-e13ade75a0a1", "links": [{"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/images/5bf60467-0136-4471-9818-e13ade75a0a1", "rel": "bookmark"}]}, "OS-EXT-STS:vm_state": "active", "OS-EXT-SRV-ATTR:instance_name": "instance-00000060", "flavor": {"id": "1", "links": [{"href": "xxxx:xxxxxx.15:8774/d5f52673953f49e595279e89ddde979d/flavors/1", "rel": "bookmark"}]}, "id": "a598b402-8678-4447-baeb-59255409a023", "user_id": "01610f73d0fb4922aefff09f2627e50c", "OS-DCF:diskConfig": "MANUAL", "accessIPv4": "", "accessIPv6": "", "progress": 0, "OS-EXT-STS:power_state": 1, "config_drive": "", "status": "ACTIVE", "updated": "2012-10-12T08:21:40Z", "hostId": "1cdb25708fb8e464d83a69fe4a024dcd5a80baf24a82ec28f9d9f866", "OS-EXT-SRV-ATTR:host": "nova01", "key_name": "", "OS-EXT-SRV-ATTR:hypervisor_hostname": null, "name": "juju openstack instance 0", "created": "2012-10-12T08:21:22Z", "tenant_id": "d5f52673953f49e595279e89ddde979d", "metadata": {}}}' 2012-10-12 03:23:35,663 DEBUG Connecting to environment using xxxx.37... 2012-10-12 03:23:35,663 DEBUG Spawning SSH process with remote_user="ubuntu" remote_host="xxxx.37" remote_port="2181" local_port="45859". 2012-10-12 03:23:36,173:4355(0x7fd581973700):ZOO_INFO@log_env@658: Client environment:zookeeper.version=zookeeper C client 3.3.5 2012-10-12 03:23:36,173:4355(0x7fd581973700):ZOO_INFO@log_env@662: Client environment:host.name=cinder01 2012-10-12 03:23:36,174:4355(0x7fd581973700):ZOO_INFO@log_env@669: Client environment:os.name=Linux 2012-10-12 03:23:36,174:4355(0x7fd581973700):ZOO_INFO@log_env@670: Client environment:os.arch=3.2.0-23-generic 2012-10-12 03:23:36,174:4355(0x7fd581973700):ZOO_INFO@log_env@671: Client environment:os.version=#36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 2012-10-12 03:23:36,174:4355(0x7fd581973700):ZOO_INFO@log_env@679: Client environment:user.name=cinder 2012-10-12 03:23:36,174:4355(0x7fd581973700):ZOO_INFO@log_env@687: Client environment:user.home=/root 2012-10-12 03:23:36,175:4355(0x7fd581973700):ZOO_INFO@log_env@699: Client environment:user.dir=/home/cinder 2012-10-12 03:23:36,175:4355(0x7fd581973700):ZOO_INFO@zookeeper_init@727: Initiating client connection, host=localhost:45859 sessionTimeout=10000 watcher=0x7fd57f9146b0 sessionId=0 sessionPasswd= context=0x2c1dab0 flags=0 2012-10-12 03:23:36,175:4355(0x7fd577fff700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:45859] zk retcode=-4, errno=111(Connection refused): server refused to accept the client 2012-10-12 03:23:39,512:4355(0x7fd577fff700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:45859] zk retcode=-4, errno=111(Connection refused): server refused to accept the client 2012-10-12 03:23:42,848:4355(0x7fd577fff700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:45859] zk retcode=-4, errno=111(Connection refused): server refused to accept the client ^Croot@cinder01:/home/cinder#

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  • Glenn Fiedler's fixed timestep with fake threads

    - by kaoD
    I've implemented Glenn Fiedler's Fix Your Timestep! quite a few times in single-threaded games. Now I'm facing a different situation: I'm trying to do this in JavaScript. I know JS is single-threaded, but I plan on using requestAnimationFrame for the rendering part. This leaves me with two independent fake threads: simulation and rendering (I suppose requestAnimationFrame isn't really threaded, is it? I don't think so, it would BREAK JS.) Timing in these threads is independent too: dt for simulation and render is not the same. If I'm not mistaken, simulation should be up to Fiedler's while loop end. After the while loop, accumulator < dt so I'm left with some unspent time (dt) in the simulation thread. The problem comes in the draw/interpolation phase: const double alpha = accumulator / dt; State state = currentState*alpha + previousState * ( 1.0 - alpha ); render( state ); In my render callback, I have the current timestamp to which I can subtract the last-simulated-in-physics-timestamp to have a dt for the current frame. Should I just forget about this dt and draw using the physics thread's dt? It seems weird, since, well, I want to interpolate for the unspent time between simulation and render too, right? Of course, I want simulation and rendering to be completely independent, but I can't get around the fact that in Glenn's implementation the renderer produces time and the simulation consumes it in discrete dt sized chunks. A similar question was asked in Semi Fixed-timestep ported to javascript but the question doesn't really get to the point, and answers there point to removing physics from the render thread (which is what I'm trying to do) or just keeping physics in the render callback too (which is what I'm trying to avoid.)

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  • Get to Know a Candidate (7 of 25): Will Christensen&ndash;Independent American Party

    - by Brian Lanham
    DISCLAIMER: This is not a post about “Romney” or “Obama”. This is not a post for whom I am voting. Information sourced for Wikipedia. NOTE: Wikipedia does not have a page for Christensen.  If you follow links to the party site you can find information about him. Christensen served in the United States Marine Corps and has degrees from Penn State University (my alma mater), Drexel Institute of Technology, University of Utah, and Brigham Young University (BYU) focusing on Math, Physics, and Electrical Engineering.  He has worked for IBM and BYU but for the last 35 years has run small businesses including an Internet book business as well as an Amway franchise. He has held numerous offices in various political parties including, County Campaign Chairman for Barry Goldwater in 1964, County Central Committee, Republican Party; National Committeeman, and State Chairman of the American Party; one of the Founders, and the State Chairman of the Independent American Party of Utah; Vice-Chairman, Chairman, and the Treasurer of the National Independent American Party. The Independent American Party (IAP) officially started in 1998 and began as the Utah Independent American Party. The founders claim to have been inspired by a speech given by Ezra Taft Benson, former United States Secretary of Agriculture, entitled “The Proper Role of Government”. The 15 principles for the proper role of government, taken from his speech, are held as the IAP’s basis for recruiting. Learn more about the Independent American Party on Wikipedia.

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  • Why are some checkboxes in Software Updater disabled?

    - by Drew Noakes
    In Ubuntu 13.04, the Software Updater shows some apps as having updates, but they're non-selectable: It's not clear why they're greyed out. On the command line: $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages have been kept back: gnuplot-nox gnuplot-x11 nvidia-current 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded. Note too that running apt-get dist-upgrade does not cause them to be installed either, as it sometimes does with packages that are kept back. Here's the output: $ sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages have been kept back: gnuplot-nox gnuplot-x11 nvidia-current 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded. I took @quidage's suggestion, which gives the following. However subsequent upgrades show the same message: $ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.

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  • Game software design

    - by L. De Leo
    I have been working on a simple implementation of a card game in object oriented Python/HTML/Javascript and building on the top of Django. At this point the game is in its final stage of development but, while spotting a big issue about how I was keeping the application state (basically using a global variable), I reached the point that I'm stuck. The thing is that ignoring the design flaw, in a single-threaded environment such as under the Django development server, the game works perfectly. While I tried to design classes cleanly and keep methods short I now have in front of me an issue that has been keeping me busy for the last 2 days and that countless print statements and visual debugging hasn't helped me spot. The reason I think has to do with some side-effects of functions and to solve it I've been wondering if maybe refactoring the code entirely with static classes that keep no state and just passing the state around might be a good option to keep side-effects under control. Or maybe trying to program it in a functional programming style (although I'm not sure Python allows for a purely functional style). I feel that now there's already too many layers that the software (which I plan to make incredibly more complex by adding non trivial features) has already become unmanageable. How would you suggest I re-take control of my code-base that (despite being still only at < 1000 LOC) seems to have taken a life of its own?

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  • How to read Scala code with lots of implicits?

    - by Petr Pudlák
    Consider the following code fragment (adapted from http://stackoverflow.com/a/12265946/1333025): // Using scalaz 6 import scalaz._, Scalaz._ object Example extends App { case class Container(i: Int) def compute(s: String): State[Container, Int] = state { case Container(i) => (Container(i + 1), s.toInt + i) } val d = List("1", "2", "3") type ContainerState[X] = State[Container, X] println( d.traverse[ContainerState, Int](compute) ! Container(0) ) } I understand what it does on high level. But I wanted to trace what exactly happens during the call to d.traverse at the end. Clearly, List doesn't have traverse, so it must be implicitly converted to another type that does. Even though I spent a considerable amount of time trying to find out, I wasn't very successful. First I found that there is a method in scalaz.Traversable traverse[F[_], A, B] (f: (A) => F[B], t: T[A])(implicit arg0: Applicative[F]): F[T[B]] but clearly this is not it (although it's most likely that "my" traverse is implemented using this one). After a lot of searching, I grepped scalaz source codes and I found scalaz.MA's method traverse[F[_], B] (f: (A) => F[B])(implicit a: Applicative[F], t: Traverse[M]): F[M[B]] which seems to be very close. Still I'm missing to what List is converted in my example and if it uses MA.traverse or something else. The question is: What procedure should I follow to find out what exactly is called at d.traverse? Having even such a simple code that is so hard analyze seems to me like a big problem. Am I missing something very simple? How should I proceed when I want to understand such code that uses a lot of imported implicits? Is there some way to ask the compiler what implicits it used? Or is there something like Hoogle for Scala so that I can search for a method just by its name?

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