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[Dazuko-devel] Re: problem of DAZUKO
From: |
John Ogness |
Subject: |
[Dazuko-devel] Re: problem of DAZUKO |
Date: |
Thu, 09 Dec 2004 12:13:34 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913 |
akshay wrote:
I am using Dazuko in my application.
When i get accese to file ,i passed that file name to scan engine over
a socket
but it get hangs while reading socket.
whats reason ?
I hv to mannually kill the application..
Hi,
Only registered processes are allowed to open/close files. Since your
scanner is not registered with Dazuko, its access is also being acknowledged
by Dazuko.
Here is the sequence of events that are occuring:
1. registered process receives access event
2. registered process sends event over socket to non-registered process
3. non-registered process opens file for scanning
4. Dazuko detects file access from non-registered process
5. Dazuko sends access event to registered process
6. goto step 1
Summary: The non-registered scanner process never is allowed to open the
file and an infinite "chicken/egg" loop is created.
Currently the only solution is for your scanning processes to register with
Dazuko. If they register, they also have to be prepared to get/return access
events. Using groups, you can have multiple registered processes working
together.
I am working on a idea to allow non-registered processes to be specified as
trusted. This would allow your scenario to work. I haven't quite worked out
all the details for my proposal yet. Hopefully something like this will be
available for the 2.1.0 release (planned for February).
John Ogness
--
Dazuko Maintainer
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