235 lines
6.5 KiB
C++
235 lines
6.5 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\gatekpr.cpv $
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* *
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* $Revision: 1.9 $
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* $Date: 19 Feb 1997 13:57:36 $
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* *
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* $Author: CHULME $
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* *
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* $Log: S:\sturgeon\src\gki\vcs\gatekpr.cpv $
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//
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// Rev 1.9 19 Feb 1997 13:57:36 CHULME
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// Modified DeleteCachedAddress to write all registry settings
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//
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// Rev 1.8 14 Feb 1997 16:41:16 CHULME
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// Changed registry key to GKIDLL\2.0 to match GKI version
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//
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// Rev 1.7 17 Jan 1997 12:53:00 CHULME
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// Removed UNICODE dependent code
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//
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// Rev 1.6 17 Jan 1997 09:01:58 CHULME
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// No change.
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//
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// Rev 1.5 13 Jan 1997 17:01:38 CHULME
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// Fixed debug messages for registry cached addresses
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//
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// Rev 1.4 10 Jan 1997 16:14:22 CHULME
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// Removed MFC dependency
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//
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// Rev 1.3 20 Dec 1996 16:37:42 CHULME
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// Fixed access synchronization with Gatekeeper lock
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//
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// Rev 1.2 19 Dec 1996 19:27:32 CHULME
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// Retry count and interval only read/written to registry on DEBUG
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//
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// Rev 1.1 22 Nov 1996 15:24:28 CHULME
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// Added VCS log to the header
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*************************************************************************/
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// gatekeeper.cpp : Provides the implementation for the CGatekeeper class
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//
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#include "precomp.h"
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#include "dspider.h"
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#include "dgkilit.h"
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#include "GATEKPR.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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/////////////////////////////////////////////////////////////////////////////
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// CGatekeeper construction
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CGatekeeper::CGatekeeper()
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:m_dwMCastTTL(1),
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m_fRejectReceived(FALSE),
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m_dwLockingThread(0)
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{
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SetIPAddress("");
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m_GKSockAddr.sin_addr.S_un.S_addr = INADDR_ANY;
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InitializeCriticalSection(&m_CriticalSection);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CGatekeeper destruction
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CGatekeeper::~CGatekeeper()
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{
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if (m_dwLockingThread)
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Unlock();
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DeleteCriticalSection(&m_CriticalSection);
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}
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void
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CGatekeeper::Read(void)
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{
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// ABSTRACT: This member function will read the gatekeeper addresses and the
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// multicast flag from the Registry and load the member variables
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// AUTHOR: Colin Hulme
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HKEY hKey;
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DWORD dwDisposition;
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DWORD dwType;
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DWORD dwLen;
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LONG lRet;
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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, "CGatekeeper::Read()\n", 0);
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dwType = REG_SZ;
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lRet = RegCreateKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Microsoft\\Conferencing\\GatekeeperDLL"),
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS,
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NULL, &hKey, &dwDisposition);
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dwLen =IPADDR_SZ + 1;
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#if(0) // don't do the registry hack now that setting the address is exposed
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lRet = RegQueryValueEx(hKey, TEXT("GKIPAddress"), NULL, &dwType,
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(LPBYTE)m_GKIPAddress, &dwLen);
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SPIDER_DEBUGS(m_GKIPAddress);
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if(m_GKIPAddress[0] != 0)
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{
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m_GKSockAddr.sin_addr.s_addr = inet_addr(m_GKIPAddress);
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}
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#endif // if(0)
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dwType = REG_DWORD;
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dwLen = sizeof(DWORD);
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RegQueryValueEx(hKey, TEXT("GKMCastTTL"), NULL, &dwType,
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(LPBYTE)&m_dwMCastTTL, &dwLen);
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SPIDER_DEBUG(m_dwMCastTTL);
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#if(0)
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#ifdef _DEBUG
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RegQueryValueEx(hKey, TEXT("GKRetryMS"), NULL, &dwType,
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(LPBYTE)&m_dwRetryMS, &dwLen);
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if (m_dwRetryMS == 0)
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m_dwRetryMS = DEFAULT_RETRY_MS;
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SPIDER_DEBUG(m_dwRetryMS);
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RegQueryValueEx(hKey, TEXT("GKMaxRetries"), NULL, &dwType,
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(LPBYTE)&m_dwMaxRetries, &dwLen);
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if (m_dwMaxRetries == 0)
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m_dwMaxRetries = DEFAULT_MAX_RETRIES;
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SPIDER_DEBUG(m_dwMaxRetries);
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#else
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m_dwRetryMS = DEFAULT_RETRY_MS;
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m_dwMaxRetries = DEFAULT_MAX_RETRIES;
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#endif //_DEBUG
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#endif // if(0)
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RegCloseKey(hKey);
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}
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void
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CGatekeeper::Write(void)
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{
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// ABSTRACT: This member function will write the gatekeeper addresses and the
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// multicast flag to the Registry.
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// AUTHOR: Colin Hulme
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HKEY hKey;
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DWORD dwDisposition;
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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, "CGatekeeper::Write()\n", 0);
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RegCreateKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Intel\\GKIDLL\\2.0"),
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS,
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NULL, &hKey, &dwDisposition);
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RegSetValueEx(hKey, TEXT("GKIPAddress"), NULL, REG_SZ,
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(LPBYTE)m_GKIPAddress, lstrlenA(m_GKIPAddress));
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#if(0)
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#ifdef _DEBUG
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RegSetValueEx(hKey, TEXT("GKMCastTTL"), NULL, REG_DWORD,
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(LPBYTE)&m_dwMCastTTL, sizeof(DWORD));
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RegSetValueEx(hKey, TEXT("GKRetryMS"), NULL, REG_DWORD,
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(LPBYTE)&m_dwRetryMS, sizeof(DWORD));
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RegSetValueEx(hKey, TEXT("GKMaxRetries"), NULL, REG_DWORD,
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(LPBYTE)&m_dwMaxRetries, sizeof(DWORD));
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#endif //_DEBUG
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#endif // if(0)
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RegCloseKey(hKey);
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}
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#ifdef BROADCAST_DISCOVERY
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void
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CGatekeeper::DeleteCachedAddresses(void)
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{
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// ABSTRACT: This memeber function will delete the cached gatekeeper
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// addresses from the Registry
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//AUTHOR: Colin Hulme
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HKEY hKey;
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DWORD dwDisposition;
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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, "CGatekeeper::DeleteCachedAddresses()\n", 0);
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RegCreateKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Intel\\GKIDLL\\2.0"),
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0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS,
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NULL, &hKey, &dwDisposition);
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RegDeleteValue(hKey, "GKIPAddress");
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RegDeleteValue(hKey, "GKIPXAddress");
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#ifdef _DEBUG
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RegSetValueEx(hKey, TEXT("GKMCastTTL"), NULL, REG_DWORD,
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(LPBYTE)&m_dwMCastTTL, sizeof(DWORD));
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RegSetValueEx(hKey, TEXT("GKRetryMS"), NULL, REG_DWORD,
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(LPBYTE)&m_dwRetryMS, sizeof(DWORD));
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RegSetValueEx(hKey, TEXT("GKMaxRetries"), NULL, REG_DWORD,
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(LPBYTE)&m_dwMaxRetries, sizeof(DWORD));
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#endif
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RegCloseKey(hKey);
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}
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#endif //#ifdef BROADCAST_DISCOVERY
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void
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CGatekeeper::Lock(void)
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{
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EnterCriticalSection(&m_CriticalSection);
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m_dwLockingThread = GetCurrentThreadId();
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}
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void
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CGatekeeper::Unlock(void)
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{
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// Assert that the unlock is done by the
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// thread that holds the lock
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ASSERT(m_dwLockingThread == GetCurrentThreadId());
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m_dwLockingThread = 0;
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LeaveCriticalSection(&m_CriticalSection);
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}
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