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henrywood
Contributor
Joined: 21 Sep 2004
Posts: 66
Location: Copenhagen, Denmark
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 Posted: Thu Sep 01, 2005 10:17 pm Post subject: C++ Extensions DLLs developer - Take a look at this please |
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Hi guys !
I have a Visual C++ CPUUsage Class with this functions:
int processID=0;
CCpuUsage usageA;
CCpuUsage usageB;
CCpuUsage usageC;
int SystemWideCpuUsage = usageA.GetCpuUsage();
int ProcessCpuUsageByName = usageB.GetCpuUsage("explorer");
int ProcessCpuUsageByID = usageC.GetCpuUsage(processID);
I am looking for either someone being able to compile this into a VDS DLL for me OR a C++ Extension sample so I may do it myself.
I tried visiting developer.vdsworld.com but it was closed ?
I have attached the class source
Henrik
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CpuUsage_src.zip |
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henrywood
Contributor
Joined: 21 Sep 2004
Posts: 66
Location: Copenhagen, Denmark
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| Posted: Fri Sep 09, 2005 7:05 pm Post subject: Tried building a nonVDS DLL for this - Please help |
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Hi guys !
I tried building a non-VDS DLL for this and it builds OK
I have this test script
| Code: |
#INCLUDE cpupu.dsc
#list create,1
#list tasklist,1,NI
#info @text(1)
# Get systemwide CPU usage
%A = @getCPUUsage(Get)
# Get usage for a specific process name: @getCPUUsage(get,<exename>,<list>)
%B = @getCPUUsage(get,Skype.exe,1)
# Get usage for a specific process ID: @getCPUUsage(get,<ProcessID>,<list>)
%C = @getCPUUsage(get,3404,1)
%D = SystemWide CPU Usage: %A "%" @cr()Skype.exe Usage: %B "%" (ByName)@cr()Skype.exe Usage: %C "%" (by ID)
info %D
freelib test
stop
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and cpupu.dsc contains
| Code: |
#
# Contents of test.h
#
# #ifdef TEST_EXPORTS
# #define TEST_API __declspec(dllexport)
# #else
# #define TEST_API __declspec(dllimport)
# #endif
#
# ///////////////////////////////////////////////////////
# //
# // EXPORTS
# //
# ///////////////////////////////////////////////////////
#
# TEST_API int GetSystemWideCpuUsage(void);
# TEST_API int GetCPUUsageByID ( DWORD dwProcessID );
# TEST_API int GetCpuUsageByName(LPCTSTR pProcessName);
#
#DEFINE FUNCTION,getCPUUsage
:getCPUUsage
goto getCPUUsage_%1
:getCpuUsage_Get
%R =
LOADLIB test.dll
if @numeric(%2)
if @getCPUUsage(ProcessIDExists,%2,%3)
%R = @lib(test.dll,GetCPUUsageByID,int:,int:%2)
else
error 9001
end
elsif %2
if @getCPUUsage(ProcessExists,%2,%3)
%R = @lib(test,GetCpuUsageByName,int:,str:@name(%2))
else
error 9001
end
else
%R = @lib(test,GetSystemWideCpuUsage,int:)
end
exit %R
:getCPUUsage_ProcessIDExists
%R =
list create,%3
list tasklist,%3,I
%C = @match(%3,%2)
list close,%3
exit %C
:getCPUUsage_ProcessExists
%R =
list create,%3
list tasklist,%3,N
%C = @match(%3,%2)
list close,%3
exit %C
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The problem is that I keep getting "Library function not found" error in VDS. I included the declarations in test.h (my dll is called test) above and they appear to be OK and I can see them as exports with PEBrowser Pro ?
So why cant I call this functions ?
Exports as seen by PEBrowserPro:
int __cdecl GetSystemWideUsage(void)
int __cdecl GetCpuUsageByName(char const*)
int __cdecl GetCPUUsageByID(unsigned long)
I take it that case is important ?
I have compiled using MS Visual Studio 2003
Can anyone shed some light on this, please ?
Henrik
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ShinobiSoft
Professional Member
Joined: 06 Nov 2002
Posts: 790
Location: Knoxville, Tn
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| Posted: Fri Sep 09, 2005 7:21 pm Post subject: |
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Are you including a ".DEF" file in your build process?
The .def file contains the names of your exported functions. See your
compilers documentation for more on a .def file.
_________________
Bill Weckel
ShinobiSoft Software
"The way is known to all, but not all know it." |
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henrywood
Contributor
Joined: 21 Sep 2004
Posts: 66
Location: Copenhagen, Denmark
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| Posted: Sat Sep 10, 2005 8:32 am Post subject: DEF file |
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Hi Bill !
I was wondering about the DEF file. It is not compiled in so that may be it.
As mentioned I compiled with MS VS 2003 and they didn't mention anything about a DEF file. However Dev-Cpp and LCC I thinks mentions them in tutorials etc. However I cannot compile using those due to missing include files...
But I will check the MS VC++ doc for def file info
Thanks !
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henrywood
Contributor
Joined: 21 Sep 2004
Posts: 66
Location: Copenhagen, Denmark
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| Posted: Sat Sep 10, 2005 12:10 pm Post subject: CPUPU.DLL Released |
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Hi guys !
I just finished the CPUPU DLL.
It provides possibilities for:
- Getting the system wide CPU Usage
- Getting the CPU Usage of a process specified either by name or process ID
Please note that this is a NON-VDS DLL. Therefore it comes with a VDS Wrapper to ease its use.
Please see included demo for help on its usage.
You can download it here:
http://www.vdsworld.com/download.php?id=475
Henrik
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