Non-blocking with Perl VI API monitor task

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  Hello
  
  I use the HQ API to build a custom Java monitoring tool.
  So far, I can easily access agents and its related settings.
  
  My problem is that I don't know how to access resources related to agent: Mount of the file server, servers, services... Is it impossible with the HQ API?
  
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  If you use this, it will be very easy!

  Get all your HQ server agents: this will return a list of the agents!

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  Get all your HQ server platform: this will return a list of Resources (platform)!

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  Get all your HQ Server server: this will return a list of Resources (server)!

  list server = listPlatform.get (j) .getResource ();

  get all your HQ Server services: this will return a list of Resources (services)!

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  with this, you can have the agent (machines) and all the resources under it!

  Hope this will help u

• List of NetConnection with Perl bindings

  I started experimenting with SIGAR to generate surveillance/security scripts to manage all machines in my company. Because I like the Perl, I was happy to see that there is already a Perl bindings for SIGAR and so far I've been having fun doing my scripts in this way. I'm working on a script to monitor the various connections to the server to help find an unauthorized activity on unauthorized ports. Although I can't seem to find a list of NetConnection work as there is in the Java bindings. I could be overlooking it, or not understanding the proper use of the NetConnection, but if anyone can offer some advice? From what I gathered it just is not coded, and before attempting to code something I thought I should ask here.
  
  Regards, Matt

  Hi Matt,

  Good to hear you having fun with Perl and SIGAR. The Perl interface has fallen behind the Java one, so feel free to scream or patch when you find something missing.  I just added the net_connection_list method:
  http://svn.Hyperic.org/?view=Rev&root=Hyperic+Sigar&revision=3175

  And just tested with this one-liner:
  Perl - Mblib - e MSigar.
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  It would be really cool if you want to share something to put in the perl/examples/who is also low compared to those on the side of java.

• How to use a KeyManager custom in SSLSocketChannel non-blocking

  In our existing project I had to replace the SocketChannel non-blocking by SSLSocketChannel no blocking. My implementation of the SSLSocketChannel non-blocking mask all the SSL stuff and can be used as a SocketChannel overall of the project that just use the SSLSocketChannelProvider instead of SocketChannelProvider in one place.
  
  Now I have a new requirement. Different server-certificate should be used for various IPS on the same SSLServerSocket. The relationship between the IPs and certificates is well known. The first idea was to use a custom KeyManagerDelegate that extends from X509ExtendedKeyManager to select the certificate from the server. The KeyManagerDelegate should delegate calls to a KeyManager obtained by

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  javax.net.ssl.SSLHandshakeException: no cipher suites in common
       at com.sun.net.ssl.internal.ssl.Handshaker.checkThrown(Handshaker.java:951)
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  The next thing I'm going to try would be to get the SSLContext to use my own SSLSocketChannelProvider as ServerSocketFactory.
  
  Or I use different SSLContext for each incoming connection, which would break my own design because the server had to waste his time with the construction of new SSLContext. Another possibility is to implement a callback in the ServerSocketChannel to get a new SSLContext for each accepted connection. It would be sure my design but looks like a ugly workaround solution for me and I do not know if it works.
  
  All the best ideas?
  
  Thanks Domi

  I just tested this with my SSLSocketChannel and it works like correctly, the KeyManager methods called as expected. You hurt something else ;-) Do not extend X509ExtendedKeyManager to work properly with the engine.

• Web HTTP proxy using IO Non blocking

  Solved thank you...

  customer. Register (selector, SelectionKey.OP_READ
  | SelectionKey.OP_WRITE);

  OP_READ only at this stage. OP_WRITE is always 'ready' unless the socket buffer is full, so your selector will turn only. Do not save OP_WRITE until you have something to write.

  ByteBuffer bferClient = ByteBuffer.allocate (4096);

  You do this each time around the loop, and you don't even know if the key is still readable. Do it when you accept a connection, and then save it as the essential accessory for this channel.

  client.configureBlocking (false);

  It is already in non-blocking mode. Why you do it again?

  try {}
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  bferClient.flip ();
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  Channel.Connect (SocketAddress);

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  Channel.Write (bferClient);

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  And you don't do that here. Register the new channel for OP_CONNECT, then when you get finishConnect() and then save it to OP_READ, and moving forward in your select loop. You also need to associate the channel with the channel that read you the CONNECTION since. If you really need an object of attachment key for the original channel that contains the buffer of bytes and the channel upstream; Similarly, the channel upstream must a key attachment that contains sound buffer and its channel downstream. The effect of making all this stuff here rather than around the loop of selection is that you're never going back to the loop of the selection: you manage what a customer here in blocking mode, until the connection is dropped. Completely wrong.

  } catch (IOException e) {}

  Hang up. If bytesRead a-1, you must close the channel.

  e.printStackTrace ();

  And if you get an IOException here you must also close the channel.

  If (channel! = null) {}
  try {}
  Channel.Close ();

  This is a really strange place to close this channel.

  When you get this fixed upward, your zip code and I will tell you how to handle the OP_WRITE.

• Modal dialog box non-blocking

  Hello world
  
  I want to display a modal dialog box, capture user input and use it for further processing, as below:
  
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  Any help will be greatly appreciated.
  
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• reading non-blocking

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