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From ar...@cornell.edu
Subject Re: rpc-dev Digest 29 Mar 2002 18:19:05 -0000 Issue 52
Date Sun, 31 Mar 2002 18:27:53 GMT

Yet another thing that could be done by interceptors ("filters"):

http://aeolus.cit.cornell.edu/xmlrpc/xmlrpc.html

Aaron Hamid

On 29 Mar 2002 rpc-dev-digest-help@xml.apache.org wrote:

> rpc-dev Digest 29 Mar 2002 18:19:05 -0000 Issue 52
> 
> Topics (messages 468 through 468):
> 
> IP Address of Connecting Client in RPC Handlers of WebServer?
> 	468 by: Chris Kay
> 
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> ----------------------------------------------------------------------
> Date: Thu, 28 Mar 2002 06:33:27 +0100
> To: <rpc-user@xml.apache.org>,
> 	<rpc-dev@xml.apache.org>
> From: "Chris Kay" <cham@bigfoot.de>
> Subject: IP Address of Connecting Client in RPC Handlers of WebServer?
> Message-ID: <001501c1d61a$16be5270$ddbfe6d9@kane>
> 
> Hi everyone!
> 
> Not sure if this ever came up before, but I was wondering if there is any
> way a registered RPC handler could find out from its WebServer the IP
> address of the connecting client requesting RPC?
> 
> I've looked through the code a bit and, apparently, in WebServer.java,
> method run(), the Socket from serverSocket.accept() is retrieved which
> should contain the client's IP address (method Socket.getInetAddress()).
> However, the Socket is just passed on to the thread mechanism which,
> eventually and ignoring any such information, will invoke a registered
> handler's fitting RPC method, while the WebServer will be ready again to
> accept other incoming requests. Obviously, the latter means storing the IP
> in the WebServer doesn't work as other requests might have come in before a
> finally invoked RPC method of a handler for a previous request queries the
> stored IP.
> 
> Is there any way that the threads could carry on such information and make
> it somehow available to the handlers? Or better yet, am I just too blind to
> see the obvious, already working solution? :o)
> 
> To sum up, it's the connecting client's IP that I am interested in, not the
> local WebServer's IP (which I assume can be queried from the stored
> serverSocket if one extends the WebServer class). A solution where one
> naively expects an RPC client to send its own IP as an argument with the RPC
> request is not desirable as it could easily be faked.
> 
> Thanks for any help!
> 
> Cheers, Chris
> 
> PS: My apologies if messages should not be posted to both mailing lists. But
> I just couldn't decide which of the two is the more suitable one.
> 
> ------------------------------
> 
> End of rpc-dev Digest
> ***********************************
> 

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