Communication between multiple vrf context on fwsm

i have 2 vrf context on fwsm of 6509 switch. i want to reach from vrf context1 inside to vrf context inside. how can i do it?
vrf_context1_inside----6509_fwsm----vrf_context2_inside
vrf_context1_inside must reach to vrf_context2_inside

Thanks for the response.
FileLock. We still have to target JDK 1.3 so we can't use FileLocks (at this point)
JNI: That's an interesting idea. I suspect many people are using our software on Windows. Therefore, we could probably fix it in Windows the same as in the C++ code. If they're not on Windows, we could use the Sockets approach.
I also had another idea: how about hashing the username string into some integer (or long) value. Then use the hashed value to lock some other resource: like the port number passed to ServerSocket. I know ServerSocket only accepts 0 - 0xFFFF so this obviously won't work. But is there some other system-wide thing we could lock given an integral value?

Similar Messages

Communication between multiple JVMs

We have a Java toolkit that is shipped as a JAR file. The toolkit is ported from a C++ DLL running on Windows. Therefore, in both instances (Java and C++), we can't control who loads us or when.
I need to communicate between different JVMs running on the same machine. The communication is very simple: "Is this user logged on in your JVM?" I send a string to the other JVM and I get back a boolean. I don't need to worry about crossing machine boundaries. Also, I'm not expecting to have a huge number of JVMs running. Maybe 3 or 4 could be likely. However, the solution does need to scale in case there are more than that. I'm not setting a limit on the number of JVMs either.
The C++ code handled this situation very easily and elegantly. It created a named system semaphore (mutex) whenever a user logged on. The name of the mutex was the username. So, if there were multiple instances of the DLL running in separate processes (EXEs), we could easily tell if this user was logged on in another instance. We'd try to create the system semaphore - it would fail saying the name already exists. Therefore, we'd know the user was already logged on. The named system semaphore provided the means for a machine-global list - which is exactly what we wanted. It also had this extra benefit: if the process terminates normally or abnormally, the system semaphore is removed from memory. This means: the application is terminated, the user is no longer logged on, and we can relog this user on.
Therefore, I have 2 requirements:
1) A machine-global list where we can place a string. Keep in mind, it doesn't absolutely have to be a machine-global list. A suitable means to talk to other JVMs is acceptable too.
2) If the process exits normally or abnormally, the string(s) get removed (for this JVM) from the list. Abnormal termination is the more important one to focus on because lots of people of varying skill levels use our toolkit. Abnormal terminations can be common.
The first thought is to store these in a file. That solves #1, but not #2. I've seen the JIPC package. However, I'm not too crazy about requiring 3rd party developers to start up another program (JIPC) before they start up their application. As I said, we're just a toolkit so we can't control when or who loads us. It's not totally out of the question, but I'd prefer something else.
I have a fairly involved solution that involves sockets. The first JVM creates a ServerSocket on a specific port and becomes the server. Subsequent JVMs also try to create the ServerSocket on the same port. They get a BindException because the ServerSocket already exists, so they know they're clients. Then, they create a client socket and talk to the server that way. This gets a little hairy when the server goes away. The clients will scramble to become the server and then all the other clients need to reconnect to the new server.
This proposed solution sounds like it will address both requirements. However, I'm looking for something simpler. I'm asking this forum for help in case there's an easier way to do this. I don't have the breadth of experience with Java yet to know if there's a simpler way to fix this. If I have to go with the socket solution, I will. I just didn't want to overlook something simple that is already built into Java.
Thanks for any tips or suggestions

Thanks for the response.
FileLock. We still have to target JDK 1.3 so we can't use FileLocks (at this point)
JNI: That's an interesting idea. I suspect many people are using our software on Windows. Therefore, we could probably fix it in Windows the same as in the C++ code. If they're not on Windows, we could use the Sockets approach.
I also had another idea: how about hashing the username string into some integer (or long) value. Then use the hashed value to lock some other resource: like the port number passed to ServerSocket. I know ServerSocket only accepts 0 - 0xFFFF so this obviously won't work. But is there some other system-wide thing we could lock given an integral value?

GPIB Communication between multiple devices

Hello,
I am trying to build an application in C# which will be able to send commands to more than one device on the GPIB BUS.
For example I have 3 devices connected to the computer with addresses as:"GPIB0::18::INSTR","GPIB0::19::INSTR","GPIB0::28::INSTR"
Now, I know how to communicate with a single device.
But is there a way I can send commands to multiple devices. So far I have the following.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Ivi.Visa.Interop;
namespace Step_Attenuator
public partial class Form1 : Form
ResourceManager rMgr = new ResourceManager();
Ivi.Visa.Interop.FormattedIO488 ioobj = new FormattedIO488();
object resources = null;
string address1 = "GPIB0::18::INSTR";
string address2 = "GPIB0::19::INSTR";
string address3 = "GPIB0::28::INSTR";
public Form1()
InitializeComponent();
private void PsaComm()
private void Form1_Load(object sender, EventArgs e)
private void button1_Click(object sender, EventArgs e)
ioobj.IO = (IMessage)rMgr.Open(address1);
ioobj.WriteString("*RST");
But now If I want to send a RST command to say device on address2, do I have to again open the session and send it?
There are going to be a lot of commands to these devices. I am sure there is a much simpler way to do it.
Please pardon me if this seems to be a silly question.
Thank You.

Hi nmedelec,
I made a research about “Ivi.Visa.Interop.FormattedIO488” and it seems that it is related with Ivi.Visa.Interop which is a third party product. If you have any issue about a third party, I would recommend you go to the office site for help.
Thanks for your understanding.
Best Regards,
Edward
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Communication between multiple processes

Hi there!
I have once again a problem concerning paralel processing in ABAP.
The problem is that:
I want to write a programm which invokes a process that can recursive invoke another process and so on.
Let me try to picture it out:
-> means invokes
Main Program -> Thread1
Thread 1 -> Thread 2
Thread 2 -> Thread 3
Thread 2 -> Thread 4
Thread 4 -> Thread 5
Thread 5 -> Thread 6
As you can see I have several Threads invoking another Thread. The structure of Threads invoking each other will be dynamic. Now I face the following problem:
I want just a few threads to run at the same time (let's say for now 3) and there are dependencies between the Invoker and the invoked Thread (e.g. Thread 3 needs some information from Thread 2).
How can I let my Main Program know that all the data is ready? Does the WAIT UNTIL statement also applies for these nested threads?
How does Thread 5 e.g. know that there are already too much processes running and he has to wait?
Is there a possibility how I can queue these processes?
sth like:
Thread 1 - Thread 2 - Thread 3 - Thread 4 - Thread 5 - Thread 6
If prerequisites for Thread 3 are not fullfilled it would look like:
Thread 1 - Thread 2 - Thread 4 - Thread 5 - Thread 6
and so on...
The problem is the communication over the bounds of Threads. This dynamic structure is neccessary due to the large data amount that I have to handle. Due to restrictions I can only use a function group and a report. No database tables or stuff like that is allowed.
I hope I was able to point out my problem. If it was to unclear please let me know it, then I will try to specify it more.
Thank you in advance for your help.
Best Regards,
Sebastian

@ Sandeep: Thanks for your answer I am going to have a look at that
@ Thomas: These nested Calls would be useful because of the amount of data that has to be processed. Think about a Tree with over 200.000 entries. For each entry there is the requirement for Check if corresponding dataset is right, if necessary Adapt data and Update on the database.
The approach with the nested threads would check a single node, looks whether there are child nodes and if so starts a thread for processing the child nodes. These would check each child node and if neccessary starts another thread and so on. Child nodes can only be changed if parent change was successful so I have the dependency right here.
Yesterday I had another idea that should work:
My Main Programm first checks the root node and then the direct childs of the root node (1st hierarchy level). Then invokes a thread for each child node which has again child nodes and for which changes applied (2nd hierarchy level. Each thread 'returns' a list of nodes for which once again the main program should invoke another thread and so on. (This would build up a queue for processing within the Main Program)
It is a similar approach to the think with nested threads but the control structure is more clear and there is no nesting of threads neccessary.
Thanks and Best Regards,
Sebastian

Communication between multiple page flow portlets

Hi, I am working on weblogic portal 8.1.
I've been struggling to communicate between different page flow portlets,
I have a login page flow portlet and i need to submit login details to indeex page after login action is done.
I am able to do this by using PageUrl class and RequestDispatcher's forward method using definition label of the index page flow portlet.
but it is not happening again when i logged out.
If anybody have worked on it, please let me know the soltution.
Thanks,
Vidya sagar

Not sure whether you tried this option(I tried it works for me).
configuration has to be done is portlet-2:
=========================
Create an custom event namely(messageCustomEvent) and also add an action for it for invoking a portlet method getMessage in Portlet-2.
//Place this method in Portlet-2
public void getMessage(ActionRequest request, ActionResponse response,
Event event) {
CustomEvent customEvent = (CustomEvent) event;
String message = (String) customEvent.getPayload();
response.setRenderParameter("message0", message);
configuration has to be done is portlet-1:
=========================
when click on Login in portlet1, in the pageflow code you fire an custom event as shown below
PortletBackingContext context =
PortletBackingContext.getPortletBackingContext(getRequest());
context.fireCustomEvent("messageCustomEvent", form.getMessage());
return new Forward("success");
Thanks & Regards,
Murali.
============

Communication Between Multiple Executables

I'm building a system that needs to communicate with several different external executables (all were programmed in LabVIEW) at approximately the same time. I say several because this number is not known until runtime, and I say approximately the same time because all of the executables will be communicating asynchronously. Essentially I need to receive commands from each executable, put them in a queue of some sort, run a test with my system in the order the commands were received, and then send a result back to each executable.
Because the number of external executables is not known until runtime, I was thinking about using a network published variable that would be an array of clusters. I could then tell each executable which array element it should use to communicate with and then when data needs to be sent back and forth I could update or read from this array element in each executable as necessary. In my VI, I would simply build a watcher that would constantly watch the array to see if new data came in, put this data in a queue, and then process it as necessary. The communication back to the executables would be handled in the same way (perhaps with a second network published variable only to be used for results).
The problem with this approach is that I would need to lock the network published variable (a functional global would really help here) while I'm writing to it from each of the executables so I could be sure that I wouldn't miss data. The number of commands won't be high, but there is a chance that 2 commands could arrive at the same time. I've played around with this in the Shared Variable Properties dialog ("Single Writer" and "Use Buffering"), but can't seem to get it right.
I know that I could open a TCP communication port for each executable and then use that port to communicate directly between my program and the executable, but I was wondering if anyone had any other suggestions. If you've got a suggestion, I'd love to hear about it. Thanks.

You can use a network queue. The attached code works very well for us. It is a modified version from some code I got from LAVA several years back. Just unzip this file into your user.lib directly. The queues work like normal queues except they work over TCP. This means your messages will be added to the receiving queue in the order they were sent. Simply dequeue the commands and execute them.
Mark Yedinak
"Does anyone know where the love of God goes when the waves turn the minutes to hours?"
Wreck of the Edmund Fitzgerald - Gordon Lightfoot
Attachments:
Network Queue Class.zip ‏361 KB

Communication between multiple remote flash instances

I am relatively new to Flash development, but need to create a simple application that will essentially function as a remote slideshow broadcast service. One presenter will see the show (full screen) and will be able to proceed to the next slide, all other attendees will only see the show (no control) and will see the next slide when the presenter proceeds. I have a Flash Media Interactive Server which can be utilized. I understand that no one will be able to walk me through actual the development process, but was wondering whether someone could tell me what the best approach would be and where I could find tutorials to get started.
Thanks a lot! Any help is greatly appreciated.

UPDATE: I am particularly confused about what kind of communication method to use. I heard about Socket, SharedObjects, HTTPService, RTMP, RTMFP, etc. could someone advise which would be the best for this situation. I only need to send a very small bit of data.
Thanks.

Communication between multiple VPN Sites

Hello,
i used 3 CEs and 2 PEs, build a hub and spoke MPLS VPN topology as follow, two the overlapped addresses 100.100.100.100 reside separately in VPN1 of R1 and VPN2 of R2. But traffic initiated by 100.100.100.100 from VPN1 toward VPN3 was always redirected through R5 to VPN2. Is there any solution of this issue?
thanks!

Hi
You can not have overlapping addresses in a scenario like this, where You are leaking between vpn:s.
When traffic is arrived towards 100.100.100.100 on r4 et0/0 there are no way for r4 to know wich of the 2 (r1 or r2) that the traffic is intended to go.
/Mikael

Communicating Between Multiple LabVIEW Executables on different computer using Shared Variables

hi,
I need to develop some executables which will be launched on different computer of a LAN. Some DATA are common. I need to share the data using shared variables.
I usually used LabVIEW so I 'm familiar with shared variables but in this case, the RT target is a part of my
project.
I do I need to procceed in my case?
thanks

Ok but it's not my configuration and I haven't found my answer in the tutorial.
You speak of a case where there is a computer and a RT target under the same LabView project. As I said earlier, I often use labview RT and shared variable between computer and RT target. But I assume here it's different.
My question is : how do you acces to the SVE from 3 computers (without any RT target)?
1. If I create 3 labview projects using the same Shared Variable, do I need to use the same .lvlib on each project?
2. Is it possible?
3. How can I configure where the SVE should be? When I use a RT target, It only depends where I put my Lvlib. But here there is 3 projects.
James
Attachments:
Sans titre.JPG ‏9 KB

VRF between multiple VDCs

I am currently planning out a secure multi-tenant solution using a Nexus 7010 (which I have no hands on experience with).
I will be having four separate VDCs and need to configure them as follows:
CORE SERVERS<--------V-------------V-----------V
                                     |              |             |
                                     |              |             |
                                  Tenant 1     |             |
                                                   |             |
                                                  Tenant 2   |
                                                                 |
                                                                 Tenant 3
All tenants need to be able to communicate with the Core Servers, but they should not be able to communicate with each other.
This is the configuration that I have worked out so far. Please let me know if you see any issues with it that may cause it to not function or function incorrectly.
CORE SERVERS:
n7000(config)#vrf context core
n7000(config)#interface ethernet 1/1
n7000(config-if)#vrf member core
n7000(config-if)#ip address 10.1.1.1
ip vrf core
rd 100:1
route-target export 100:1
route-target import 100:2
route-target import 100:3
route-target import 100:4
Tenant 1
n7000(config)#vrf context tenant1
n7000(config)#interface ethernet 2/1
n7000(config-if)#vrf member tenant1
n7000(config-if)#ip address 10.2.1.1
ip vrf tenant1
rd 100:2
route-target export 100:2
route-target import 100:1
Tenant 2
n7000(config)#vrf context tenant2
n7000(config)#interface ethernet 3/1
n7000(config-if)#vrf member tenant2
n7000(config-if)#ip address 10.3.1.1
ip vrf tenant2
rd 100:3
route-target export 100:3
route-target import 100:1
Tenant 1
n7000(config)#vrf context tenant3
n7000(config)#interface ethernet 4/1
n7000(config-if)#vrf member tenant3
n7000(config-if)#ip address 10.4.1.1
ip vrf tenant3
rd 100:4
route-target export 100:4
route-target import 100:1
Also I have been unable to locate the command to manually set the rd for a vrf.
Thoughts, comments, telling me I am wildly off base...all are appreciated, especially if you have an idea of how to either correct the issue or do it better.

duplicate post

WiSM with multiple VRF

HI All,
does any one has configured WiSM with multiple VRF on 6500. I have 2 6500 with 3 VRFs & one WiSM in each core. there is no communication between VRFs & my wireless users are spread in each VRF, now I want to configure these WiSM in such a way so that it can provide the redundnacy to each VRF's wireless user,,I hope u all have got my point.
Thanks
NK

Check for DHCP problems while configuring WiSM.

Transparent pix between 2 vrf

hi guys,
This is the problem : I need to receive from a GigaEth both some multicast streams and a unicast control traffic to be filtered. So, on a 3750 there is a trunk vs data provider, and Interface Vlan X for mcast and Vlan Y for outside unicast in global space. Than a Vlan Z in a separate vrf for inside. Pix is connected on L2 port Vlan X for outside and on L2 port Vlan Z for inside. It doesn't run !!! It seems to be unable to resolve arp ...
The actual 3750, will become in a short time a 650x sup 720B, but I am not sure if we have a better results.
Any advice ?
Thanks
Maurizio

To make this happen a FWSM module has to be installed in the Catalyst 6500 series switch. The FWSM features has the following features
Layer 2 Firewall (transparent mode)
Layer 3 Firewall (route and/or NAT mode)
Mixed Layer 2 and Layer 3 firewall per FWSM
Dynamic/static NAT and PAT
Policy-based NAT
VRF-aware NAT
Destination NAT for Multicast
Static routing support in single- and multiple security context mode
Dynamic routing in single security context mode: Open Shortest Path First (OSPF), Routing Initiation Protocol (RIP) v1 and v2, PIM Sparse Mode v2 multicast routing, Internet Group Management Protocol (IGMP) v2
Transparent mode supports static routing only
Private VLAN
Asymmetric routing supporting without redundancy by using asymmetric routing groups
IPv6 networking and management access using IPv6 HTTPS, Secure Shell Protocol (SSH) v1 and v2, and Telnet

How to Configure the Communication among Multiple OpenMQ Servers

Hi,
My application is distributed across multiple machines available in the LAN.
Components running on one machine can only communicate to OpenMQ server running on same machine.
I want to run OpenMQ server on all the machines where components of my application is running.
I also want a way of communication between all OpenMQ servers so that OpenMQ server exchange messages among them to transfer message to destination component running on any of the machines in the LAN.
How can i configure two OpenMQ servers to communicate each other?
please help with sample configuration or example.
Thanks & regards,
Pawan Modi

Hi Pawan,
It sounds like you are asking how to configure a cluster of Open Message Queue brokers.
There's a general explanation of broker clusters at
[http://docs.sun.com/app/docs/doc/820-6424/aerdj?a=view|http://docs.sun.com/app/docs/doc/820-6424/aerdj?a=view]
Details of how to configure them are given at
[http://docs.sun.com/app/docs/doc/820-6740/aeohv?a=view|http://docs.sun.com/app/docs/doc/820-6740/aeohv?a=view]
Nigel

Communication between two clients

In Java Networking, communication between server-client or bwtween server-multiple clients is general. But How will be the communication between two cients, means two clients can send & receive messages to & from each other(being guided by server).

Sorry,
I didn't get your reply clearly.
I want, if Server is running, and two clients(two instance of a same program) are opened, whatever message(string)client1 send to Server,then the Server needs to send those to client2.Again, the some response should come from client2 to client1 thru Server.
How can I implement this?
If you have idea, or some sample code about this, please let me know.
Regards.

COMMUNICATION BETWEEN JAVASCRIPT AND JAVA APPLET: US$20 AWARD FOR SOLUTION!

COMMUNICATION BETWEEN JAVASCRIPT AND JAVA APPLET PROBLEM (Easy Filter Java Applet) -
US$20 TO ANYONE WHO CAN RESOLVE THE PROBLEM
To forum visitors:
I am prepared to pay a standard shareware fee of US$20 to a user who can resolve this technical problem.
If your advice resolves the problem, I'll forward the payment to your postal address (include your
address with your reply, and also your email address)
I am attempting to enable a HTML button (using Javascript's onClick command) to directly input a number into one of the parameter text boxes in the Easy Filter Java applet (ie, enter a new color value number in the text field of the standard Colors Multiplicator Filter interface).
The applet is Freeware and can be downloaded at: http://www.javazoom.net/applets/easyfilter10/EasyFilter10.html
(It is a very effective bitmap display and editing utility)
To achieve this, I am trying to access the part of the applet that defines and sets the textbox. The text box is defined in the .class file by accessing the parameter details in the genericfilter.txt file (accompanies the .class files). I need to access 'private String appletInitialize()' and then one of the 'textFieldParameters' which sets the textbox.
I understand the basic syntax for referencing the applet:
document.appletname.setString("An example"). However, accessing the text fields in this applet is more complex!!
Please can you recommend the correct Javascript syntax to achieve communication with the applet.
Thank you for your kind assistance.
JM Graham
[email protected]
The Java source code for the applet: EasyFilter.class
# Easy Filter - E.B/JavaZOOM 1999 #
# Contact: [email protected] #
# http://javazoom.hypermart.net #
/* Originally compiled from EasyFilter.java */
import java.awt.*;
import java.io.*;
import java.net.*;
import java.applet.Applet;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.image.MemoryImageSource;
import java.awt.image.PixelGrabber;
import java.util.Vector;
public synchronized class EasyFilter extends Applet implements KeyListener
private String paramFileName;
private Color bgColor;
private Color fgColor;
private Color parColor;
private Color sepColor;
private Color titleColor;
private Color helpColor;
private int WinWidth;
private int WinHeight;
private String title;
private String logoFileName;
private String originalImageFileName;
private String filteredCaption;
private String originalCaption;
private Vector paramsName;
private Vector paramsValue;
private Vector paramsComment;
private Panel panelParameters[];
private Label labelParameters[];
private TextField textFieldParameters[];
private Label labelComments[];
private int nbParameters;
private ScrollPane scrollPaneParams;
private Panel panelParams;
private Image theLogo;
private Image theOriginalImage;
private Image theFilteredImage;
private int theOriginalPixelArray[];
private int logoWidth;
private int logoHeight;
private int imageWidth;
private int imageHeight;
private drawCanvas canvasTitle;
private Panel panelTitle;
private Label labelTitle;
private Panel panelImages;
private Panel panelOriginalImage;
private drawCanvas canvasOriginalImage;
private Label labelOriginalImage;
private Panel panelFilteredImage;
private drawCanvas canvasFilteredImage;
private Label labelFilteredImage;
private Panel panelHelp;
private Label labelHelp;
private int Yspc;
private FilterImplementation theFilter;
public void init()
String string = null;
string = appletInitialize();
setBackground(bgColor);
if (string != null)
removeAll();
setBackground(Color.white);
setForeground(Color.black);
Label label = new Label(new StringBuffer("Error: ").append(string).toString(), 1);
Panel panel = new Panel();
panel.add(label);
add(panel);
setLayout(new FlowLayout(1, 5, Yspc));
public void keyPressed(KeyEvent keyEvent)
panelHelp.removeAll();
boolean flag = true;
if (KeyEvent.getKeyText(keyEvent.getKeyCode()).equals("Enter"))
for (int i = 0; i < nbParameters; )
try
paramsValue.setElementAt(new Double(textFieldParameters.getText()), i);
i++;
catch (NumberFormatException e)
labelHelp.setText(labelParameters[i].getText() + ": Not a Number");
flag = false;
break;
if (flag == 1)
labelHelp.setText(" .... Running, please wait .... ");
labelHelp.setAlignment(1);
panelHelp.add(labelHelp);
panelHelp.doLayout();
theFilter.updateParameters(paramsValue);
theFilter.computeFilter();
theFilteredImage = createImage(new MemoryImageSource(theFilter.getFinalImageWidth(), theFilter.getFinalImageHeight(), theFilter.getFinalImageBuffer(), 0, theFilter.getFinalImageWidth()));
canvasFilteredImage.setImage(theFilteredImage);
canvasFilteredImage.setBounds(0, 0, theFilter.getFinalImageWidth(), theFilter.getFinalImageHeight());
canvasFilteredImage.repaint();
panelHelp.removeAll();
labelHelp.setText("- Done -");
else
labelHelp.setText("- Press Enter to run the Filter -");
labelHelp.setAlignment(1);
panelHelp.add(labelHelp);
panelHelp.doLayout();
public void keyReleased(KeyEvent keyEvent)
public void keyTyped(KeyEvent keyEvent)
private String appletInitialize()
WinWidth = size().width;
WinHeight = size().height;
if (getParameter("bgcolor") == null)
bgColor = new Color(0, 0, 40);
else
bgColor = new Color(Integer.parseInt(getParameter("bgcolor"), 16));
if (getParameter("fgcolor") == null)
fgColor = new Color(255, 255, 255);
else
fgColor = new Color(Integer.parseInt(getParameter("fgcolor"), 16));
if (getParameter("sepcolor") == null)
sepColor = new Color(158, 128, 128);
else
sepColor = new Color(Integer.parseInt(getParameter("sepcolor"), 16));
if (getParameter("parcolor") == null)
parColor = new Color(24, 24, 24);
else
parColor = new Color(Integer.parseInt(getParameter("parcolor"), 16));
if (getParameter("titlecolor") == null)
titleColor = new Color(255, 255, 0);
else
titleColor = new Color(Integer.parseInt(getParameter("titlecolor"), 16));
if (getParameter("helpcolor") == null)
helpColor = new Color(0, 255, 255);
else
helpColor = new Color(Integer.parseInt(getParameter("helpcolor"), 16));
paramsName = new Vector();
paramsValue = new Vector();
paramsComment = new Vector();
paramFileName = getParameter("paramfile");
String string = readParams(paramFileName);
if (string != null)
return string;
MediaTracker mediaTracker = new MediaTracker(this);
theOriginalImage = getImage(getDocumentBase(), originalImageFileName);
mediaTracker.addImage(theOriginalImage, 0);
if (logoFileName != null)
theLogo = getImage(getDocumentBase(), logoFileName);
mediaTracker.addImage(theLogo, 1);
try
mediaTracker.waitForAll();
catch (InterruptedException e1)
return "Error while loading image";
if (mediaTracker.isErrorAny())
return "Error while loading image";
if (logoFileName != null)
logoWidth = theLogo.getWidth(this);
logoHeight = theLogo.getHeight(this);
imageWidth = theOriginalImage.getWidth(this);
imageHeight = theOriginalImage.getHeight(this);
theOriginalPixelArray = new int[imageWidth * imageHeight];
PixelGrabber pixelGrabber = new PixelGrabber(theOriginalImage, 0, 0, imageWidth, imageHeight, theOriginalPixelArray, 0, imageWidth);
try
pixelGrabber.grabPixels();
panelTitle = new Panel();
canvasTitle = new drawCanvas();
labelTitle = new Label();
panelTitle.setLayout(new FlowLayout(1, 10, Yspc));
add(panelTitle);
panelTitle.setBackground(bgColor);
panelTitle.add(canvasTitle);
canvasTitle.setImage(theLogo);
canvasTitle.setBounds(0, 0, logoWidth, logoHeight);
labelTitle.setText(title);
catch (InterruptedException e2)
return "Internal Error, Try RELOAD !";
if (title != null)
panelTitle.add(labelTitle);
labelTitle.setForeground(titleColor);
labelTitle.setFont(new Font("Dialog", 1, 14));
panelImages = new Panel();
panelOriginalImage = new Panel();
canvasOriginalImage = new drawCanvas();
labelOriginalImage = new Label();
panelFilteredImage = new Panel();
canvasFilteredImage = new drawCanvas();
labelFilteredImage = new Label();
panelImages.setLayout(new FlowLayout(1, 10, Yspc));
add(panelImages);
panelImages.setBackground(bgColor);
panelOriginalImage.setLayout(new BorderLayout(0, 2));
panelImages.add(panelOriginalImage);
panelOriginalImage.setBackground(Color.black);
panelOriginalImage.add("Center", canvasOriginalImage);
canvasOriginalImage.setImage(theOriginalImage);
canvasOriginalImage.setBounds(0, 0, imageWidth, imageHeight);
labelOriginalImage.setText(originalCaption);
labelOriginalImage.setAlignment(1);
panelOriginalImage.add("South", labelOriginalImage);
labelOriginalImage.setBackground(Color.lightGray);
labelOriginalImage.setForeground(Color.black);
labelOriginalImage.setFont(new Font("SansSerif", 0, 10));
panelFilteredImage.setLayout(new BorderLayout(0, 2));
panelImages.add(panelFilteredImage);
panelFilteredImage.setBackground(Color.black);
panelFilteredImage.add("Center", canvasFilteredImage);
theFilter = new FilterImplementation(paramsValue, theOriginalPixelArray, imageWidth, imageHeight);
theFilter.computeFilter();
theFilteredImage = createImage(new MemoryImageSource(theFilter.getFinalImageWidth(), theFilter.getFinalImageHeight(), theFilter.getFinalImageBuffer(), 0, theFilter.getFinalImageWidth()));
canvasFilteredImage.setImage(theFilteredImage);
canvasFilteredImage.setBounds(0, 0, theFilter.getFinalImageWidth(), theFilter.getFinalImageHeight());
labelFilteredImage.setText(filteredCaption);
labelFilteredImage.setAlignment(1);
panelFilteredImage.add("South", labelFilteredImage);
labelFilteredImage.setBackground(Color.lightGray);
labelFilteredImage.setFont(new Font("SansSerif", 0, 10));
scrollPaneParams = new ScrollPane(0);
panelParams = new Panel();
nbParameters = paramsName.size();
int i = WinHeight - (33 + 7 * Yspc + logoHeight + imageHeight + 23);
if (i < Yspc + 2 + 24)
i = Yspc + 2 + 24;
scrollPaneParams.setBounds(0, 0, WinWidth - 10, i);
panelParams.setLayout(new GridLayout(nbParameters, 1, 5, Yspc / 2));
scrollPaneParams.add(panelParams);
panelParams.setBackground(sepColor);
panelParameters = new Panel[nbParameters];
labelParameters = new Label[nbParameters];
textFieldParameters = new TextField[nbParameters];
labelComments = new Label[nbParameters];
for (int j = 0; j < nbParameters; j++)
panelParameters[j] = new Panel();
panelParameters[j].setLayout(new FlowLayout(0, 5, 1));
panelParams.add(panelParameters[j]);
panelParameters[j].setBackground(parColor);
labelParameters[j] = new Label();
labelParameters[j].setText((String)paramsName.elementAt(j));
panelParameters[j].add(labelParameters[j]);
labelParameters[j].setForeground(fgColor);
labelParameters[j].setFont(new Font("Dialog", 1, 12));
textFieldParameters[j] = new TextField(8);
textFieldParameters[j].setText(paramsValue.elementAt(j).toString());
panelParameters[j].add(textFieldParameters[j]);
textFieldParameters[j].setBackground(fgColor);
textFieldParameters[j].addKeyListener(this);
labelComments[j] = new Label();
labelComments[j].setText((String)paramsComment.elementAt(j));
panelParameters[j].add(labelComments[j]);
labelComments[j].setForeground(fgColor);
add(scrollPaneParams);
panelHelp = new Panel();
labelHelp = new Label();
panelHelp.setLayout(new FlowLayout(1, 5, 0));
add(panelHelp);
panelHelp.setBackground(bgColor);
labelHelp.setText(" Change colour values and press enter ");
labelHelp.setAlignment(1);
panelHelp.add(labelHelp);
labelHelp.setForeground(helpColor);
return null;
private String readParams(String string1)
Object object1;
String string2;
if (string1 == null)
return "Filename of filter's parameters needed";
try
URL uRL = new URL(getDocumentBase(), string1);
URLConnection uRLConnection = uRL.openConnection();
uRLConnection.setDoInput(true);
uRLConnection.setUseCaches(false);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(uRLConnection.getInputStream()));
string2 = null;
catch ()
return object1.getMessage();
catch ()
return object1.getMessage();
catch ()
return object1.getMessage();
if (bufferedReader != null)
Object object2;
try
for (object2 = bufferedReader.readLine(); object2 != null && string2 == null; object2 = bufferedReader.readLine())
string2 = extractFormat(object2);
catch ()
string2 = object2.getMessage();
finally
bufferedReader.close();
if (string2 != null)
return string2;
else
return null;
private String extractFormat(String string1)
if (string1.length() == 0)
return null;
int i = 0;
int j = string1.indexOf(" ", i);
if (j == -1)
return "Bad format error (space missing)";
String string2 = string1.substring(i, j);
if (string2.equals("TITLE"))
i = j;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format (Double quote in TITLE missing)";
i = j + 1;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format (Double quote in TITLE missing)";
title = string1.substring(i, j);
return null;
if (string2.equals("ORIGINALCAPTION"))
i = j;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format (Double quote in ORIGINALCAPTION missing)";
i = j + 1;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format (Double quote in ORIGINALCAPTION missing)";
originalCaption = string1.substring(i, j);
return null;
if (string2.equals("FILTEREDCAPTION"))
i = j;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format (Double quote in FILTEREDCAPTION missing)";
i = j + 1;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format (Double quote in FILTEREDCAPTION missing)";
filteredCaption = string1.substring(i, j);
return null;
if (string2.equals("LOGO"))
i = j + 1;
j = string1.length();
logoFileName = string1.substring(i, j);
return null;
if (string2.equals("ORIGINALIMAGE"))
i = j + 1;
j = string1.length();
originalImageFileName = string1.substring(i, j);
return null;
if (!string2.equals("PARAM"))
return null;
i = j;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format in a PARAM line";
i = j + 1;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format in a PARAM line";
paramsName.addElement(string1.substring(i, j));
i = j + 2;
j = string1.indexOf(32, i);
if (j == -1)
return "Bad format in a PARAM line";
try
paramsValue.addElement(new Double(string1.substring(i, j)));
j = string1.indexOf(34, i);
catch (NumberFormatException e)
return "Bad format in a PARAM line";
if (j == -1)
return "Bad format (Double quote in PARAM comment missing)";
i = j + 1;
j = string1.indexOf(34, i);
if (j == -1)
return "Bad format (Double quote in PARAM comment missing)";
paramsComment.addElement(string1.substring(i, j));
return null;
public EasyFilter()
logoHeight = 33;
Yspc = 5;

Addition to my above submission
To clarify, I'll offer the US$20 to the FIRST person who offers me a workable solution to the problem, not to everyone!!!
JMGRAHAM

Communication between multiple vrf context on fwsm

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