The Server Side Example for C

#include "ltmm.h"






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

HRESULT AddNetTarget();
IltmmCapture *pCapture; 


L_MULTIMEDIATEX_API 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; 
}