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Use of free SocketPro package for creating super client and server applications

, 23 Feb 2002
A set of socket libraries for writing distributed computing applications over the internet
socketpro.zip
netdemo
ClientComponents
MultiSvsSample
SvrComponents
bin
include
lib
Samples
client
DnsSvs
GetHTML
InternetIO
MultiSvsSample
SpeedTest
res
DResolver
Svr
NormalApp
NTSvs
help
trash
SecureSocket
SafeSocket
DNSResolver.exe
GetHtml.exe
IONet.exe
MultipleSvs.exe
MultiSvs.exe
MultiSvsClient.exe
NetBaseR.dll
SafeSocket.exe
SecureSocket.exe
SpeedTest.exe
ClientSocket.dll
DResolver.dll
SBroker.dll
SockFile.dll
fundamental.gif
patterns.gif
NetBaseR.lib
DNSResolver
DNSResolver.vbp
DNSResolver.vbw
frmDNSResolver.frm
frmDNSResolver.frx
frmChatClient.frm
frmChatClient.frx
GETHTML.vbp
GETHTML.vbw
iIO.frm
IONet
IONet.vbp
IONet.vbw
frmMultiSvs.frm
frmMultiSvs.frx
MultiSvs.vbp
MultiSvs.vbw
SafeSocket.vbp
SafeSocket.vbw
SecureSocket.frm
SpeedTest.ico
SpeedTest.aps
SpeedTest.clw
SpeedTest.dsp
SpeedTest.dsw
dlldata.obj
DNS.rgs
DResolver.aps
DResolver.def
DResolver.dsp
DResolver.dsw
DResolver.opt
DResolver.plg
DResolver.tlb
DResolverps.def
DResolverps.exp
DResolverps.lib
DResolverps.mk
DResolver_i.obj
DResolver_p.obj
MultipleSvs.dsp
MultipleSvs.dsw
MultiSvs.dsp
MultiSvs.dsw
MultiSvs.rgs
MultiSvs.tlb
MultiSvsps.def
MultiSvsps.mk
dlldata.obj
SafeSocket.aps
SafeSocket.dsp
SafeSocket.dsw
SafeSocket.plg
SafeSocket.rgs
SafeSocket.tlb
SafeSocketps.def
SafeSocketps.dll
SafeSocketps.exp
SafeSocketps.lib
SafeSocketps.mk
SafeSocket_i.obj
SafeSocket_p.obj
SPassword.rgs
MultipleSvs.exe
MultiSvs.exe
NetBaseR.dll
SafeSocket.exe
// DResolver.cpp : Implementation of DLL Exports.


// Note: Proxy/Stub Information
//      To merge the proxy/stub code into the object DLL, add the file 
//      dlldatax.c to the project.  Make sure precompiled headers 
//      are turned off for this file, and add _MERGE_PROXYSTUB to the 
//      defines for the project.  
//
//      If you are not running WinNT4.0 or Win95 with DCOM, then you
//      need to remove the following define from dlldatax.c
//      #define _WIN32_WINNT 0x0400
//
//      Further, if you are running MIDL without /Oicf switch, you also 
//      need to remove the following define from dlldatax.c.
//      #define USE_STUBLESS_PROXY
//
//      Modify the custom build rule for DResolver.idl by adding the following 
//      files to the Outputs.
//          DResolver_p.c
//          dlldata.c
//      To build a separate proxy/stub DLL, 
//      run nmake -f DResolverps.mk in the project directory.

#include "stdafx.h"
#include "resource.h"
#include <initguid.h>
#include "DResolver.h"
#include "dlldatax.h"

#include "DResolver_i.c"
#include "DNS.h"

#ifdef _MERGE_PROXYSTUB
extern "C" HINSTANCE hProxyDll;
#endif

CComModule _Module;

BEGIN_OBJECT_MAP(ObjectMap)
OBJECT_ENTRY(CLSID_DNS, CDNS)
END_OBJECT_MAP()

/////////////////////////////////////////////////////////////////////////////
// DLL Entry Point

extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
    lpReserved;
#ifdef _MERGE_PROXYSTUB
    if (!PrxDllMain(hInstance, dwReason, lpReserved))
        return FALSE;
#endif
    if (dwReason == DLL_PROCESS_ATTACH)
    {
        _Module.Init(ObjectMap, hInstance, &LIBID_DRESOLVERLib);
        DisableThreadLibraryCalls(hInstance);
    }
    else if (dwReason == DLL_PROCESS_DETACH)
        _Module.Term();
    return TRUE;    // ok
}

/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLE

STDAPI DllCanUnloadNow(void)
{
#ifdef _MERGE_PROXYSTUB
    if (PrxDllCanUnloadNow() != S_OK)
        return S_FALSE;
#endif
    return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested type

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
#ifdef _MERGE_PROXYSTUB
    if (PrxDllGetClassObject(rclsid, riid, ppv) == S_OK)
        return S_OK;
#endif
    return _Module.GetClassObject(rclsid, riid, ppv);
}

/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registry

STDAPI DllRegisterServer(void)
{
#ifdef _MERGE_PROXYSTUB
    HRESULT hRes = PrxDllRegisterServer();
    if (FAILED(hRes))
        return hRes;
#endif
    // registers object, typelib and all interfaces in typelib
    return _Module.RegisterServer(TRUE);
}

/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registry

STDAPI DllUnregisterServer(void)
{
#ifdef _MERGE_PROXYSTUB
    PrxDllUnregisterServer();
#endif
    return _Module.UnregisterServer(TRUE);
}


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About the Author

Yuancai (Charlie) Ye
Web Developer
United States United States
Yuancai (Charlie) Ye, an experienced software engineer, lives in Atlanta, Georgia. He is an expert at OLEDB consumer and created a powerful data accessing libarary at the site http://www.udaparts.com. He has been working at SocketPro written from batching, asynchrony and parallel computation for more than three years. Visual C++, C# and ASP.NET are his favorite development environments.

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