125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
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/************************************************************************
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* *
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* INTEL CORPORATION PROPRIETARY INFORMATION *
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* *
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* This software is supplied under the terms of a license *
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* agreement or non-disclosure agreement with Intel Corporation *
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* and may not be copied or disclosed except in accordance *
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* with the terms of that agreement. *
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* *
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* Copyright (C) 1997 Intel Corp. All Rights Reserved *
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* *
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* $Archive: S:\sturgeon\src\gki\vcs\gkibw.cpv $
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* *
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* $Revision: 1.6 $
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* $Date: 12 Feb 1997 01:12:16 $
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* *
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* $Author: CHULME $
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* *
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* $Log: S:\sturgeon\src\gki\vcs\gkibw.cpv $
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//
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// Rev 1.6 12 Feb 1997 01:12:16 CHULME
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// Redid thread synchronization to use Gatekeeper.Lock
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//
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// Rev 1.5 17 Jan 1997 09:02:08 CHULME
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// Changed reg.h to gkreg.h to avoid name conflict with inc directory
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//
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// Rev 1.4 10 Jan 1997 16:15:22 CHULME
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// Removed MFC dependency
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//
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// Rev 1.3 20 Dec 1996 16:38:24 CHULME
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// Fixed access synchronization with Gatekeeper lock
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//
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// Rev 1.2 02 Dec 1996 23:49:48 CHULME
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// Added premptive synchronization code
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//
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// Rev 1.1 22 Nov 1996 15:22:22 CHULME
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// Added VCS log to the header
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*************************************************************************/
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// gkibandwidth.cpp : Handles the GKI_BandwidthRequest API
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//
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#include "precomp.h"
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#include <process.h>
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#include <winsock.h>
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#include "GKICOM.H"
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#include "dspider.h"
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#include "dgkilit.h"
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#include "DGKIPROT.H"
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#include "GATEKPR.H"
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#include "gksocket.h"
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#include "GKREG.H"
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#include "dcall.h"
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#include "h225asn.h"
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#include "coder.hpp"
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#include "dgkiext.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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extern "C" HRESULT DLL_EXPORT
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GKI_BandwidthRequest(HANDLE hModCall, unsigned short usCallTypeChoice, BandWidth bandWidth)
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{
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// ABSTRACT: This function is exported. It is called by the client application
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// to request a change in the bandwidth of an existing conference.
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// The handle supplied by the client is actually a pointer to the CCall
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// object, which will be modified
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// AUTHOR: Colin Hulme
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HRESULT hResult;
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CCall *pCall;
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#ifdef _DEBUG
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char szGKDebug[80];
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#endif
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SPIDER_TRACE(SP_FUNC, "GKI_BandwidthRequest(%X)\n", hModCall);
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#ifdef _DEBUG
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if (dwGKIDLLFlags & SP_GKI)
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{
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SPIDER_TRACE(SP_GKI, "GKI_BandwidthRequest()\n", 0);
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wsprintf(szGKDebug, "\thModCall = %p\n", hModCall);
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OutputDebugString(szGKDebug);
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wsprintf(szGKDebug, "\tusCallTypeChoice = %X\n", usCallTypeChoice);
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OutputDebugString(szGKDebug);
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wsprintf(szGKDebug, "\tbandWidth = %X\n", bandWidth);
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OutputDebugString(szGKDebug);
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}
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#endif
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// Create a Gatekeeper lock object on the stack
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// It's constructor will lock pGK and when we return
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// from any path, its destructor will unlock pGK
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CGatekeeperLock GKLock(g_pGatekeeper);
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if (g_pReg == 0)
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return (GKI_NOT_REG);
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if (g_pReg->GetState() != CRegistration::GK_REGISTERED)
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return (GKI_NOT_REG);
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// Validate call pointer
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pCall = (CCall *)hModCall;
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if (IsBadReadPtr(pCall, sizeof(CCall)))
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return (GKI_HANDLE_ERROR);
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if (pCall != (CCall *)pCall->GetHCall())
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return (GKI_HANDLE_ERROR);
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// Protect against concurrent PDUs
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if (pCall->GetRasMessage() != 0)
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return (GKI_BUSY);
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// Initialize CCall member variables
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pCall->SetCallType(usCallTypeChoice);
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pCall->SetBandWidth(bandWidth);
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// Create BandwidthRequest structure - Encode and send PDU
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if ((hResult = pCall->BandwidthRequest()) != GKI_OK)
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return (hResult);
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return (GKI_OK);
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}
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