The Server Side Example for C

#include "ltmm.h" 
#include "ILMNetSnk2.h" 
HRESULT AddNetTarget(); 
IltmmCapture *pCapture; 
void ServerSide_Example ( ) 
{ 
   BSTR sUser; 
   BSTR sPassword; 
   long lIndex = 0; 
   long lCount = 0; 
   long lOldConversion; 
   long lConversion; 
   HRESULT hr; 
   IUnknown* pUnk = NULL; 
   CoInitialize(NULL); 
   hr = CoCreateInstance(&CLSID_ltmmCapture, NULL, CLSCTX_INPROC_SERVER, &IID_IltmmCapture, (void**) &pCapture); 
   if(FAILED(hr)) 
   { 
      //AfxMessageBox("Can't instantiate capture library"); 
      return; 
   } 
   AddNetTarget(); 
   //USES_CONVERSION; 
   IltmmCapture_GetSubObject (pCapture,ltmmCapture_Object_Sink, &pUnk); 
   if(pUnk) 
   { 
      ILMNetSnk* pSnk = NULL; 
      IUnknown_QueryInterface(pUnk,&IID_ILMNetSnk, (void**) &pSnk); 
      IUnknown_Release(pUnk); 
      if(pSnk) 
      { 
         VARIANT_BOOL vbBool; 
         long lUserCount; 
         BSTR UserName; 
         BSTR Password; 
         long i; 
         long ID; 
         ILMNetSnkConnection* pcon; 
         ILMNetSnk_get_RequireLogin(pSnk,& vbBool); 
         //Require login with user name and password from the client. 
         ILMNetSnk_put_RequireLogin(pSnk,VARIANT_TRUE); 
         //Get The current connection version. 
         ILMNetSnk_get_ConnectionVersion(pSnk,&lOldConversion); 
         sUser     = SysAllocString(L"User1"); 
         sPassword = SysAllocString(L"P12345"); 
         // add User1 to the server with the password "P12345" 
         ILMNetSnk_AddUser(pSnk,sUser, sPassword, &lIndex); 
         // Free the user name and the password 
         SysFreeString(sUser); 
         SysFreeString(sPassword); 
         ILMNetSnk_get_ConnectionVersion (pSnk,&lConversion); 
         if(lConversion != lOldConversion) 
         { 
            // the version number is updated after adding User1 
         } 
         sUser     = SysAllocString(L"User2"); 
         sPassword = SysAllocString(L"ABC123"); 
         // add User2 to the server with the password "ABC123" 
         ILMNetSnk_AddUser (pSnk,sUser, sPassword, &lIndex); 
         // Free the user name and the password 
         SysFreeString(sUser); 
         SysFreeString(sPassword); 
         // get the count of registered user 
         ILMNetSnk_get_UserCount (pSnk,&lUserCount); 
         for (i = 0 ; i < lUserCount ; i++) 
         { 
            ILMNetSnk_GetPassword(pSnk, i, &Password); 
            //do something with the password 
            //.............................. 
            ILMNetSnk_GetUsername(pSnk, i, &UserName); 
            //do something with the name 
            //.............................. 
            SysFreeString(UserName); 
            SysFreeString(Password); 
         } 
         UserName = SysAllocString(L"User2");; 
         //Find the ID of a given user 
         ILMNetSnk_FindUser(pSnk,UserName,&ID); 
         //change the password for the user ID. 
         sPassword = SysAllocString(L"XYZ0"); 
         ILMNetSnk_SetPassword(pSnk,ID,sPassword); 
         SysFreeString(UserName); 
         SysFreeString(sPassword); 
         //get number of connections connected to the server. 
         ILMNetSnk_get_ConnectionCount (pSnk ,&lCount); 
         ILMNetSnk_FindConnection (pSnk,1, &pcon); 
         ILMNetSnkConnection_Release(pcon); 
         ILMNetSnk_get_FirstConnection(pSnk,&pcon); 
         // Check all connections with the server. 
         while(pcon) 
         { 
            ILMNetSnkConnection* pnext; 
            BSTR bstr; 
            long id; 
            VARIANT_BOOL enabled; 
            VARIANT_BOOL connected; 
            ILMNetSnkConnection_get_NextConnection(pcon,&pnext); 
            ILMNetSnkConnection_get_ID(pcon,&id); 
            ILMNetSnkConnection_get_Username (pcon,&bstr); 
            SysFreeString(bstr); 
            ILMNetSnkConnection_get_Address(pcon,&bstr); 
            // Enable the connection 
            ILMNetSnkConnection_put_Enabled (pcon ,VARIANT_TRUE); 
            // Check if the connection is enabled 
            ILMNetSnkConnection_get_Enabled(pcon,&enabled); 
            ILMNetSnkConnection_get_Connected(pcon,&connected); 
            // check if this connection is disabled or not connected 
            if(enabled == VARIANT_FALSE || connected == VARIANT_FALSE) 
            { 
               //if the connection is disabled 
               //close this connection OPTIONAL 
               ILMNetSnkConnection_Close(pcon); 
            } 
            ILMNetSnkConnection_Release(pcon); 
            pcon = pnext; 
         } 
         {//add a restriction to the client which has the IP = 10.0.0.5 
            BSTR bstrAddress = SysAllocString(L"10.0.0.5"); //this will not allow him to connect to the server. 
            long lRestrictionCount = 0; // Number of restrictions we have. 
            long lRestriction ; 
            ILMNetSnk_AddRestriction (pSnk,bstrAddress,&lRestrictionCount); 
            SysFreeString(bstrAddress); 
            // get Number of restriction 
            ILMNetSnk_get_RestrictionCount(pSnk ,&lRestrictionCount); 
            for(i = 0 ; i < lRestrictionCount ; i++) 
            { 
               BSTR bstrRestriction; 
               ILMNetSnk_GetRestriction(pSnk, i, &bstrRestriction); 
               // do something with Restriction 
               //.............................. 
               //free the Restriction name 
               SysFreeString(bstrRestriction); 
            } 
            ILMNetSnk_FindRestriction(pSnk , bstrAddress, &lRestriction); 
            // Remove the Restriction from the user 
            ILMNetSnk_RemoveRestriction(pSnk, lRestriction); 
         }//add a restriction to the client which has the IP = 10.0.0.5 
         // Remove User2 from the registered users list. 
         UserName = SysAllocString(L"User2"); 
         ILMNetSnk_FindUser (pSnk,UserName,&ID); 
         ILMNetSnk_RemoveUser(pSnk,ID); 
         SysFreeString(UserName); 
         //Remove all restrctions 
         ILMNetSnk_RemoveAllRestrictions(pSnk); 
         ILMNetSnk_CloseAll(pSnk); 
         ILMNetSnk_RemoveAllUsers(pSnk); 
      } 
      ILMNetSnk_Release(pSnk); 
   } 
} 
HRESULT AddNetTarget() 
{ 
   IltmmTargetFormats* formats; 
   HRESULT hr; 
   BSTR bstr ; 
   long index; 
   hr = IltmmCapture_get_TargetFormats(pCapture, &formats); 
   if(FAILED(hr)) 
      return hr; 
   bstr = SysAllocString(L"Net Server Target"); 
   if(!bstr) 
   { 
      IltmmTargetFormats_Release(formats); 
      return E_OUTOFMEMORY; 
   } 
   hr = IltmmTargetFormats_Find(formats, bstr, &index); 
   if(FAILED(hr)) 
   { 
      IltmmTargetFormats_Release(formats); 
      SysFreeString(bstr); 
      return hr; 
   } 
   if(index == -1) 
   { 
      long count; 
      IltmmTargetFormat* format; 
      hr = IltmmTargetFormats_Add(formats, bstr, -1); 
      SysFreeString(bstr); 
      if(FAILED(hr)) 
      { 
         IltmmTargetFormats_Release(formats); 
         return hr; 
      } 
      hr = IltmmTargetFormats_get_Count(formats, &count); 
      if(FAILED(hr)) 
      { 
         IltmmTargetFormats_Release(formats); 
         return hr; 
      } 
      index = count - 1; 
      hr = IltmmTargetFormats_Item(formats, index, &format); 
      if(FAILED(hr)) 
      { 
         IltmmTargetFormats_Release(formats); 
         return hr; 
      } 
      bstr = SysAllocString(L"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE05-38C5-11D5-91F6-00104BDB8FF9}"); 
      if(!bstr) 
      { 
         IltmmTargetFormat_Release(format); 
         IltmmTargetFormats_Remove(formats, index); 
         IltmmTargetFormats_Release(formats); 
         return E_OUTOFMEMORY; 
      } 
      hr = IltmmTargetFormat_put_Sink(format, bstr); 
      SysFreeString(bstr); 
      if(FAILED(hr)) 
      { 
         IltmmTargetFormat_Release(format); 
         IltmmTargetFormats_Remove(formats, index); 
         IltmmTargetFormats_Release(formats); 
         return hr; 
      } 
      bstr = SysAllocString(L"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\\{E2B7DE01-38C5-11D5-91F6-00104BDB8FF9}"); 
      if(!bstr) 
      { 
         IltmmTargetFormat_Release(format); 
         IltmmTargetFormats_Remove(formats, index); 
         IltmmTargetFormats_Release(formats); 
         return E_OUTOFMEMORY; 
      } 
      hr = IltmmTargetFormat_put_Mux(format, bstr); 
      SysFreeString(bstr); 
      if(FAILED(hr)) 
      { 
         IltmmTargetFormat_Release(format); 
         IltmmTargetFormats_Remove(formats, index); 
         IltmmTargetFormats_Release(formats); 
         return hr; 
      } 
      IltmmTargetFormat_Release(format); 
   } 
   else 
   { 
      SysFreeString(bstr); 
   } 
   IltmmTargetFormats_Release(formats); 
   return S_OK; 
}