Leaked source code of windows server 2003
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324 lines
8.8 KiB

/************************************************************************
* *
* INTEL CORPORATION PROPRIETARY INFORMATION *
* *
* This software is supplied under the terms of a license *
* agreement or non-disclosure agreement with Intel Corporation *
* and may not be copied or disclosed except in accordance *
* with the terms of that agreement. *
* *
* Copyright (C) 1997 Intel Corp. All Rights Reserved *
* *
* $Archive: S:\sturgeon\src\gki\vcs\gkireg.cpv $
* *
* $Revision: 1.13 $
* $Date: 14 Feb 1997 16:44:06 $
* *
* $Author: CHULME $
* *
* $Log: S:\sturgeon\src\gki\vcs\gkireg.cpv $
//
// Rev 1.13 14 Feb 1997 16:44:06 CHULME
// If fail to create semaphore - delete registration object before returning
//
// Rev 1.12 12 Feb 1997 01:11:06 CHULME
// Redid thread synchronization to use Gatekeeper.Lock
//
// Rev 1.11 08 Feb 1997 12:14:02 CHULME
// Added semaphore creation for later terminating the retry thread
//
// Rev 1.10 24 Jan 1997 18:30:00 CHULME
// Reverted to rev 1.8
//
// Rev 1.8 22 Jan 1997 20:46:08 EHOWARDX
// Work-around for race condition that may result in
// GKI_RegistrationRequest returning GKI_ALREADY_REG.
//
// Rev 1.7 17 Jan 1997 09:02:16 CHULME
// Changed reg.h to gkreg.h to avoid name conflict with inc directory
//
// Rev 1.6 10 Jan 1997 16:15:40 CHULME
// Removed MFC dependency
//
// Rev 1.5 20 Dec 1996 16:38:28 CHULME
// Fixed access synchronization with Gatekeeper lock
//
// Rev 1.4 13 Dec 1996 14:26:04 CHULME
// Fixed access error on thread synchronization
//
// Rev 1.3 02 Dec 1996 23:50:50 CHULME
// Added premptive synchronization code
//
// Rev 1.2 22 Nov 1996 15:22:24 CHULME
// Added VCS log to the header
*************************************************************************/
// gkiregistration.cpp : Handles the GKI_RegistrationRequest API
//
#include "precomp.h"
#include <process.h>
#include <winsock.h>
#include "GKICOM.H"
#include "dspider.h"
#include "dgkilit.h"
#include "DGKIPROT.H"
#include "GATEKPR.H"
#include "gksocket.h"
#include "GKREG.H"
#include "h225asn.h"
#include "coder.hpp"
#include "dgkiext.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern "C" HRESULT DLL_EXPORT
GKI_RegistrationRequest(long lVersion,
SeqTransportAddr *pCallSignalAddr,
EndpointType *pTerminalType,
SeqAliasAddr *pRgstrtnRqst_trmnlAls,
PCC_VENDORINFO pVendorInfo,
HWND hWnd,
WORD wBaseMessage,
unsigned short usRegistrationTransport)
{
// ABSTRACT: This function is exported. It is called by the client application
// to register with the Gatekeeper. It will create a CRegistration
// object to track all pertanent information.
// AUTHOR: Colin Hulme
int nAddrFam;
int nRet;
HRESULT hResult;
//char *pDestAddr;
PSOCKADDR_IN pDestAddr;
SeqTransportAddr *pTA;
SeqAliasAddr *pAA;
HANDLE hThread;
#ifdef _DEBUG
char szGKDebug[80];
#endif
BOOL fRAS = FALSE;
SPIDER_TRACE(SP_FUNC, "GKI_RegistrationRequest(%x)\n", usRegistrationTransport);
ASSERT(g_pGatekeeper);
if(g_pGatekeeper == NULL)
return (GKI_NOT_INITIALIZED);
#ifdef _DEBUG
if (dwGKIDLLFlags & SP_GKI)
{
SPIDER_TRACE(SP_GKI, "GKI_RegistrationRequest()\n", 0);
Dump_GKI_RegistrationRequest(lVersion,
pCallSignalAddr,
pTerminalType,
pRgstrtnRqst_trmnlAls,
hWnd,
wBaseMessage,
usRegistrationTransport);
}
#endif
// Check if there is already a registration
// Create a Gatekeeper lock object on the stack
// It's constructor will lock pGK and when we return
// from any path, its destructor will unlock pGK
CGatekeeperLock GKLock(g_pGatekeeper);
if (g_pReg)
{
if (g_pReg->GetRasMessage() != 0)
return (GKI_BUSY);
else
return (GKI_ALREADY_REG);
}
if (lVersion != GKI_VERSION)
return (GKI_VERSION_ERROR);
ASSERT((usRegistrationTransport == ipAddress_chosen) ||(usRegistrationTransport == ipxAddress_chosen));
// Create a registration object
g_pReg = new CRegistration;
SPIDER_TRACE(SP_NEWDEL, "new g_pReg = %X\n", g_pReg);
if (g_pReg == 0)
return (GKI_NO_MEMORY);
#if(0)
// Create the semaphore used to signal the retry thread to exit
g_pReg->m_hRetrySemaphore = CreateSemaphore(NULL,0,1,NULL);
if(!g_pReg->m_hRetrySemaphore){
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_SEMAPHORE_ERROR);
}
#endif
// Create a socket and bind to a local address
g_pReg->m_pSocket = new CGKSocket;
SPIDER_TRACE(SP_NEWDEL, "new g_pReg->m_pSocket = %X\n", g_pReg->m_pSocket);
if (g_pReg->m_pSocket == 0)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_NO_MEMORY);
}
ASSERT(usRegistrationTransport == ipAddress_chosen);
if(usRegistrationTransport != ipAddress_chosen)
{
delete g_pReg;
g_pReg = 0;
return (GKI_NO_MEMORY);
}
nAddrFam = PF_INET;
pDestAddr = g_pGatekeeper->GetSockAddr();
if ((nRet = g_pReg->m_pSocket->Create(nAddrFam, 0)) != 0)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_WINSOCK2_ERROR(nRet));
}
// Initialize registration member variables
for (pTA = pCallSignalAddr; pTA != 0; pTA = pTA->next)
{
if ((hResult = g_pReg->AddCallSignalAddr(pTA->value)) != GKI_OK)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (hResult);
}
// if the transport type of the address being registered is the same as
// the transport type of the gatekeeper, set RAS address
if (pTA->value.choice == usRegistrationTransport)
{
if ((hResult = g_pReg->AddRASAddr(pTA->value, g_pReg->m_pSocket->GetPort())) != GKI_OK)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (hResult);
}
else
fRAS = TRUE;
}
}
if(pVendorInfo)
{
hResult = g_pReg->AddVendorInfo(pVendorInfo);
}
if (fRAS == FALSE) // No RAS address registered for this transport
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_NO_TA_ERROR);
}
g_pReg->SetTerminalType(pTerminalType);
for (pAA = pRgstrtnRqst_trmnlAls; pAA != 0; pAA = pAA->next)
{
if ((hResult = g_pReg->AddAliasAddr(pAA->value)) != GKI_OK)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (hResult);
}
}
g_pReg->SetHWnd(hWnd);
g_pReg->SetBaseMessage(wBaseMessage);
g_pReg->SetRegistrationTransport(usRegistrationTransport);
#if(0)
// Start the retries thread
hThread = (HANDLE)_beginthread(Retry, 0, 0);
SPIDER_TRACE(SP_THREAD, "_beginthread(Retry, 0 0); <%X>\n", hThread);
if (hThread == (HANDLE)-1)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_NO_THREAD);
}
g_pReg->SetRetryThread(hThread);
#else
// initialize timer and values
UINT_PTR uTimer = g_pReg->StartRetryTimer();
if (!uTimer)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_NO_THREAD);
}
#endif
#ifdef BROADCAST_DISCOVERY
// Check to see if we are not bound to a gatekeeper
if (pDestAddr == 0)
{
hThread = (HANDLE)_beginthread(GKDiscovery, 0, 0);
SPIDER_TRACE(SP_THREAD, "_beginthread(GKDiscovery, 0, 0); <%X>\n", hThread);
if (hThread == (HANDLE)-1)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_NO_THREAD);
}
g_pReg->SetDiscThread(hThread);
return (GKI_OK);
}
#else
ASSERT(pDestAddr);
#endif
// Connect to destination gatekeeper and retrieve RAS port
if ((nRet = g_pReg->m_pSocket->Connect(pDestAddr)) != 0)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_WINSOCK2_ERROR(nRet));
}
// Create RegistrationRequest structure - Encode and send PDU
if ((hResult = g_pReg->RegistrationRequest(FALSE)) != GKI_OK)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (hResult);
}
// Post a receive on this socket
hThread = (HANDLE)_beginthread(PostReceive, 0, 0);
SPIDER_TRACE(SP_THREAD, "_beginthread(PostReceive, 0, 0); <%X>\n", hThread);
if (hThread == (HANDLE)-1)
{
SPIDER_TRACE(SP_NEWDEL, "del g_pReg = %X\n", g_pReg);
delete g_pReg;
g_pReg = 0;
return (GKI_NO_THREAD);
}
g_pReg->SetRcvThread(hThread);
return (GKI_OK);
}