The Server Side 2 Example for C

#include "ltmm.h"






#include "ltmm.h"
#include "ILMNetSnk2.h"

HRESULT AddNetTarget();
IltmmCapture *pCapture; 

L_MULTIMEDIATEX_API void ServerSide2_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();


   IltmmCapture_GetSubObject (pCapture,ltmmCapture_Object_Sink, &pUnk); 
   if(pUnk) 
   {
      ILMNetSnk* pSnk = NULL; 

      IUnknown_QueryInterface (pUnk,&IID_ILMNetSnk, (void**) &pSnk);
      IUnknown_Release (pUnk);

      if(pSnk) 
      {
         long lUserCount; 
         BSTR UserName; 
         long i ;
         long ID;
         ILMNetSnkConnection* pcon; 


         //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_GetUsername (pSnk,i,&UserName); 

            //do something with the name
            SysFreeString(UserName); 
         }

         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_LastConnection(pSnk,&pcon); 

         // Check all connections with the server. 
         while(pcon) 
         {
            ILMNetSnkConnection* pPrev; 
            BSTR bstr; 
            long id; 
            VARIANT_BOOL enabled; 


            ILMNetSnkConnection_get_PrevConnection (pcon,& pPrev); 
            
            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); 

            // check if this connection is enabled
            if(enabled == VARIANT_FALSE) 
            {
               //if the connection is disabled
               //close this connection OPTIONAL
               ILMNetSnkConnection_Close (pcon); 
            }

            ILMNetSnkConnection_Release(pcon); 

            pcon = pPrev; 
         }

         {//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. 

            ILMNetSnk_AddRestriction (pSnk,bstrAddress,&lRestrictionCount); 

            SysFreeString(bstrAddress);    

            // get Number of restriction
            ILMNetSnk_get_RestrictionCount (pSnk ,&lRestrictionCount); 

         }//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);    
      }

      ILMNetSnk_CloseAll(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; 
}