Sample Provider Programs

The sample provider programs are located in subdirectories of /usr/demo/wbem/provider, and are described in the following table.

Table 3-2 Sample Provider Programs

File Name	Purpose
`NativeProvider.java`	Top-level provider program that fulfills requests from the CIM Object Manager and routes these requests to the `Native_Example` provider. This program implements the `instanceProvider` and `methodProvider` APIs. This program also declares methods to enumerate instances and to get an instance of the `Native_Example` class. This program also declares a method that invokes a method to print the string “Hello World.”
`Native_Example.mof`	Creates a class that registers the `NativeProvider` provider with the CIM Object Manager. This MOF file identifies `NativeProvider` as the provider to service requests for dynamic data in the `Native_Example` class. The file also declares the properties and methods to be implemented by the `NativeProvider.`
`Native_Example.java`	The `NativeProvider` program calls this provider to enumerate instances and to get an instance of the `Native_Example` class. The `Native_Example` provider uses the APIs to enumerate objects and to create instances of objects. The `Native_Example` class declares native methods, which call C functions in the `native.c` file to get system-specific values. Examples of such values include host name, serial number, release, machine, architecture, and manufacturer.
`native.c`	This C program implements methods in the `Native_Example` Java provider in native C code.
`Native_Example.h`	A machine-generated header file for the `Native_Example` class. Defines the correspondence between the names of native method in the Java programming language and the native C functions that execute those methods.
`libnative.so`	Binary native C code compiled from the `native.c` file.

How to Run the Sample Provider Programs

You must set up your environment before you can run the sample provider programs.

Set the LD_LIBRARY_PATH environment variable to the location of the provider class files.
- To use the C shell, type:
```
% setenv LD_LIBRARY_PATH /usr/sadm/lib/wbem
```
- To use the Bourne shell, type:
```
% LD_LIBRARY_PATH = /usr/sadm/lib/wbem
```
Copy the libnative.so shared library file to the directory specified by the LD_LIBRARY_PATH environment variable.
```
% cp libnative.so /usr/sadm/lib/wbem
```
Move the provider class files to the same path as the package to which those files belong.
```
% mv *.class /usr/sadm/lib/wbem
```
Become root superuser.
Stop the CIM Object Manager in the same shell in which you set the LD_LIBRARY_PATH environment variable.
```
# /etc/init.d/init.wbem stop
```
Note - When you set the LD_LIBRARY_PATH environment variable in a shell, you must stop and restart the CIMOM in the same shell to recognize the new variable.
Start the CIM Object Manager.
```
# /etc/init.d/init.wbem start
```
Exit being superuser.
Compile the program's associated .mof file to load the appropriate class in the CIMOM and to identify the provider.
```
% mofcomp -u root p root-password Native_Example.mof
```
Start CIM Workshop.
```
% /usr/sadm/bin/cimworkshop
```
In the CIM Workshop toolbar, click the Find Class icon.
In the Input dialog box, type the name of the class that you want to display and then click OK.
The class displays in CIM Workshop.

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