Re: Custom logging user client tool from GMAC?

10 Sep 2003

      On Sep 10, 2003, at 6:53 AM, chuck remes wrote:
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Take a look at the sample code from DTS, for starters.
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http://www.devworld.apple.com/samplecode/Sample_Code/
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Devices_and_Hardware/IOKit/SimpleUserClient.htm
Yes, I have been and am working with this. I just hoped I could find

the actual source for the userland tool that Apple "Writing Device

Drivers" doc clearly used and claims are available.
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Then you can find the code for GMAC's usertool at:
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http://www.opendarwin.org/cgi-bin/cvsweb.cgi/src/AppleGMACEthernet/
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It's embedded into the source file UniNEnet.cpp at the bottom of the
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file. The class definitions are in the associated header file.
I must be confused here.

I checked the specified file at opendarwin.org and in Apple's tar ball

for 10.2.6 and in both cases this file ends with the method

"UniNEnetUserClient::writeMII". This class is necessary but not

sufficient. Unless I'm completely lost, the class is the in-kernel

portion of the user client.

That's fine but I need the matching out-of-kernel code. Apple's docs

refer to a user-land tool (a CLI app I'd expect) that connects to this

user client subclass and pulls the log info from it. I do not see this

code anywhere in the AppleGMACEthernet project.

You are correct that the SimpleUserClient has some examples of this

sort of CLI (ie: main()) tool but it's only painfully basic sample

code. It's has no relation to the AppleGMACEthernet user client and has

no idea about its log format.

Lacking the tool that Apple refers to I'm presently rolling my own

userland tool, but it's seems a great waste of time given that Apple

must have already done this.

Thanks again,

-Mike
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On Tuesday, September 9, 2003, at 09:15  AM, Michael Cashwell wrote:
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Greetings,
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Sorry if this should go to Darwin-drivers. (Some questions span these
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lists' domains.)
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I'm trying to make use of the custom logging code (ELG) from Apple's
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GMAC driver in my own code. It's discussed at
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http://developer.apple.com/documentation/DeviceDrivers/Conceptual/
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WritingDeviceDriver/DebuggingDrivers/chapter_8_section_5.html
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which says:
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This driver implements a kernel-resident logging infrastructure as
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well as a user-space tool to print the formatted contents of a log
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buffer. The tool used by AppleGMACEthernet prints a report to the
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standard output that begins with header information followed by
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time-stamped log entries.
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However, the AppleGMACEthernet-124.2.3.tar archive does not appear to
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contain any source for the mentioned userland tool. Does anyone know
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where I might find this source?
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Thanks,
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-Mike
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