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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
Hi everyone!

I have written a small defragmenter that resides in tray and scans in background all fixed drives. Almost doesn't load CPU, and defragments compressed files on NTFS correctly. Haven't tested it on encrypted files as I don't have them in the system, however code should work for them too. Have spent around two days on this project so far as I don't have much spare time Smile. You can do everything you wish with this code, just mention me if you use it. Feedback would be appreciated.


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Post 17 Dec 2007, 20:28
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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
Have added popup menu on right click on tray icon. Previous version just exited on this event.
Edit: Updated package.


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Post 17 Dec 2007, 21:27
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7106
Location: Slovakia
vid
doesn't windows defrag silently when you do nothing?
Post 17 Dec 2007, 22:54
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edfed



Joined: 20 Feb 2006
Posts: 4218
Location: 2018
edfed
i think YES, but when doing a manual defrag, i always see that it's needed.
can you make it for FAT32? please.... Crying or Very sad
Post 17 Dec 2007, 23:31
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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
edfed wrote:
i think YES, but when doing a manual defrag, i always see that it's needed.
can you make it for FAT32? please.... Crying or Very sad

It works already, program uses Defrag API that works both for FAT32 and NTFS. That means also that it will work only on NT systems, not 9x.
Post 18 Dec 2007, 06:00
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Madis731



Joined: 25 Sep 2003
Posts: 2145
Location: Estonia
Madis731
@vid:
From Vista and on, its featured, but earlier than that - it didn't incorporate on-line defrag.

@code_grinder:
Isn't it using too much CPU in the idle loop?


Last edited by Madis731 on 18 Dec 2007, 06:25; edited 1 time in total
Post 18 Dec 2007, 06:21
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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
Added speed up feature, useful if you wish to temporarily speed up defragmentation.


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Post 18 Dec 2007, 06:22
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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
Quote:
Isn't it using too much CPU in the idle loop?

It almost doesn't use CPU on my machine (Sempron 1.5 GHz, 512 RAM). How much does it use on yours and what is processor and RAM? I could make longer sleep in the idle thread.
Edit: Here is version with increased Sleep parameter. It works almost the same on my computer.


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Post 18 Dec 2007, 06:40
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Madis731



Joined: 25 Sep 2003
Posts: 2145
Location: Estonia
Madis731
The problem isn't with defragmenting - its always 0% then. But when it finishes, it goes to an infinite loop. On one of my machines its 451 files, the other one is some 10K... and its using 100% of one core.

Right-click > Exit doesn't kill it - I have to manually go to taskmanager...
Post 18 Dec 2007, 07:21
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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
Madis731 wrote:
The problem isn't with defragmenting - its always 0% then. But when it finishes, it goes to an infinite loop. On one of my machines its 451 files, the other one is some 10K... and its using 100% of one core.

Right-click > Exit doesn't kill it - I have to manually go to taskmanager...

That was silly bug, fixed. Here is update.


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Post 18 Dec 2007, 08:18
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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
Looks like there are no more bugs in the program Smile. Here is little update which issue Sleep when finding place for file defragmentation (not much diffrence from previous version, just more correct way of doing things). Think if there will be no more bug reports, that will be the last change until New Year holidays. Have fun.


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Post 19 Dec 2007, 06:37
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edfed



Joined: 20 Feb 2006
Posts: 4218
Location: 2018
edfed
Quote:
It works already, program uses Defrag API that works both for FAT32 and NTFS. That means also that it will work only on NT systems, not 9x.

no win9x ? Crying or Very sad Crying or Very sad Crying or Very sad
Post 19 Dec 2007, 06:51
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code_grinder



Joined: 02 Aug 2007
Posts: 12
Location: Moldova, Kishinev
code_grinder
edfed wrote:
Quote:
It works already, program uses Defrag API that works both for FAT32 and NTFS. That means also that it will work only on NT systems, not 9x.

no win9x ? Crying or Very sad Crying or Very sad Crying or Very sad

That's true.
Post 19 Dec 2007, 07:21
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edfed



Joined: 20 Feb 2006
Posts: 4218
Location: 2018
edfed
Crying or Very sad
Post 19 Dec 2007, 07:25
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Madis731



Joined: 25 Sep 2003
Posts: 2145
Location: Estonia
Madis731
I read your code but I couldn't find anything that is causing this, but on my laptops it still is rocketing the CPU-usage when it finished.

And btw, does it have to defrag *only* compressed files? Why not all?
Very Happy I think its time you saw my specs, because I haven't given you:
Code:
Windows Server 2003 Standard x64 Edition (Intel BTO)
    Intel T7200 CPU
    1024 MB of RAM
    Seagate ST910021AS
;-AND-

Windows Server 2003 Enterprise x64 Edition (HP nc6320)
    Intel T7200 CPU
    2048 MB of RAM
    Seagate ST910021AS
    
Post 19 Dec 2007, 08:52
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codegrinder



Joined: 12 Dec 2005
Posts: 20
Location: Moldova
codegrinder
Madis731 wrote:
I read your code but I couldn't find anything that is causing this, but on my laptops it still is rocketing the CPU-usage when it finished.


Have you got the latest version? Also I can give more detailed information in the tooltip about what program is doing right now, that we at least would know what piece of code is responsible for this.

Madis731 wrote:
And btw, does it have to defrag *only* compressed files? Why not all?

It defragments all files. I wrote that it defragments compressed files correctly because I had problems with this just before first post.
Madis731 wrote:
Very Happy I think its time you saw my specs, because I haven't given you:
Code:
Windows Server 2003 Standard x64 Edition (Intel BTO)
    Intel T7200 CPU
    1024 MB of RAM
    Seagate ST910021AS
;-AND-

Windows Server 2003 Enterprise x64 Edition (HP nc6320)
    Intel T7200 CPU
    2048 MB of RAM
    Seagate ST910021AS
    

Thanks. However it doesn't look that machines are weaker then mine, so I don't understand the root of problem. I'll make version with more detailed info or maybe some logs. This will probably solve problem.
Post 19 Dec 2007, 09:23
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codegrinder



Joined: 12 Dec 2005
Posts: 20
Location: Moldova
codegrinder
codegrinder wrote:
I'll make version with more detailed info or maybe some logs. This will probably solve problem.

Here is version with debug messages that can be catched by DebugView.


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Post 19 Dec 2007, 12:10
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Madis731



Joined: 25 Sep 2003
Posts: 2145
Location: Estonia
Madis731
Oops - I think 64-bit is to be blamed. The debug messages aren't caught and defrag never finished normally when exited (I discovered it just now - I need to terminate it from task manager).

These worlds (win32/64) are too different...I'll look into it tomorrow or on Friday...
Post 19 Dec 2007, 20:03
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codegrinder



Joined: 12 Dec 2005
Posts: 20
Location: Moldova
codegrinder
The only thing I see that might be wrong is one-section structure, here is version with more classic section structures. Exe became a bit bigger of course Sad Smile.


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Post 20 Dec 2007, 10:56
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bitRAKE



Joined: 21 Jul 2003
Posts: 2796
Location: dank orb
bitRAKE
I noticed you use EBX for 0 throughout the program. I don't know if this is a good assumption. Will windows always restore the process EBX before calling other threads within the process, and WndProcs? It is not my understanding that this is true, nor does the calling convention imply it would be so.
Post 20 Dec 2007, 17:48
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