The Server Side 2 Example for C

#include "ltmm.h" 
#include "ILMNetSnk2.h" 
 
HRESULT AddNetTarget(); 
IltmmCapture *pCapture;  
 
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;  
} 
Help Version 20.0.2018.12.3
Products | Support | Contact Us | Copyright Notices
© 1991-2018 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Multimedia C API Help