697 lines
18 KiB
C++
697 lines
18 KiB
C++
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/*****************************************************************************\
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* MODULE: inetpp.c
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*
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* The module contains routines for handling the INETPP functionality. Use
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* of these routines require the locking/unlocking of a critical-section
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* to maninpulate the INIMONPORT list. All internal routines assume the
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* crit-sect is locked prior to executing. CheckMonCrit() is a debugging
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* call to verify the monitor-crit-sect is locked.
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*
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* NOTE: Each of the Inetmon* calls must be protected by the global-crit-sect.
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* If a new routine is added to this module which is to be called from
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* another module, be sure to include the call to (semCheckCrit), so
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* that the debug-code can catch unprotected access.
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*
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* Copyright (C) 1996-1997 Microsoft Corporation
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* Copyright (C) 1996-1997 Hewlett Packard
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*
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* History:
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* 07-Oct-1996 HWP-Guys Initiated port from win95 to winNT
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* 14-Nov-1997 ChrisWil Added local-spooling functionality.
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* 10-Jul-1998 WeihaiC Change Authentication Dialog Code
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*
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\*****************************************************************************/
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#include "precomp.h"
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#include "priv.h"
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CInetMon::CInetMon ()
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{
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// Initialize the monitor-port-list.
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//
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m_pPortList = (PINIMONPORTLIST)memAlloc(sizeof(INIMONPORTLIST));
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m_bValid = (m_pPortList != NULL);
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}
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CInetMon::~CInetMon ()
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{
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}
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/*****************************************************************************\
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* _inet_validate_portname (Local Routine)
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*
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* Validate the portname.
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*
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* NOTE: If this check becomes more rigorous, it must account for the (%)
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* character (escape).
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*
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\*****************************************************************************/
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BOOL
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CInetMon::_inet_validate_portname(
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LPCTSTR lpszPortName)
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{
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if (lpszPortName && (*lpszPortName))
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return TRUE;
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DBG_MSG(DBG_LEV_ERROR, (TEXT("Err : _inet_validate_portname : Invalid Name")));
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SetLastError(ERROR_INVALID_NAME);
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return FALSE;
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}
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/*****************************************************************************\
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* _inet_find_port (Local Routine)
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*
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* Locates the entry in the list where the port-name resides. Return the
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* full entry-type (INIMONPORT) for the location.
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*
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\*****************************************************************************/
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PCINETMONPORT
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CInetMon::_inet_find_port(
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LPCTSTR lpszPortName)
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{
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PCINETMONPORT pIniPort;
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pIniPort = m_pPortList->pIniFirstPort;
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while (pIniPort && lstrcmpi(lpszPortName, pIniPort->m_lpszName))
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pIniPort = pIniPort->m_pNext;
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return pIniPort;
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}
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/*****************************************************************************\
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* _inet_create_port (Local Routine)
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*
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* Create a new port data structure and link into the list. This routine
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* assumes that the Crit is held.
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*
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* This routine also assumes the pszPortName is a valid http:// format.
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*
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\*****************************************************************************/
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PCINETMONPORT
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CInetMon::_inet_create_port(
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LPCTSTR lpszPortName,
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PCPORTMGR pPortMgr)
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{
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PCINETMONPORT pIniPort;
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PCINETMONPORT pPort;
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BOOL bRet = FALSE;
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if ((pIniPort = new CInetMonPort (lpszPortName, g_szLocalPort, pPortMgr)) &&
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pIniPort->bValid ()) {
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// Set the link. If this is the first port added, the
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// we set the global variable.
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//
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if (pPort = m_pPortList->pIniFirstPort) {
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while (pPort->GetNext())
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pPort = pPort->GetNext();
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pPort->SetNext (pIniPort);
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} else {
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m_pPortList->pIniFirstPort = pIniPort;
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}
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bRet = TRUE;
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}
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if (!bRet) {
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if (pIniPort) {
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delete pIniPort;
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pIniPort = NULL;
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}
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}
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return pIniPort;
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}
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/*****************************************************************************\
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* _inet_delete_port (Local Routine)
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*
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* Free a port data structure that is no longer needed.
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*
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\*****************************************************************************/
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BOOL
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CInetMon::_inet_delete_port(
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LPCTSTR lpszPortName)
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{
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PCINETMONPORT pIniPort;
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PCINETMONPORT pPrvPort;
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BOOL bRet = FALSE;
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// Keep track of our previous/current entries, so that
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// we can remove the specified port.
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//
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pIniPort = m_pPortList->pIniFirstPort;
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while (pIniPort && lstrcmpi(pIniPort->m_lpszName, lpszPortName)) {
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pPrvPort = pIniPort;
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pIniPort = pIniPort->GetNext ();
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}
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// If the PortName is found, then delete it.
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//
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if (pIniPort) {
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if (pIniPort->m_cRef > 0 && pIniPort->m_hTerminateEvent) {
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// To tell spooling thread to terminate
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//
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SetEvent (pIniPort->m_hTerminateEvent);
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semSafeLeaveCrit(pIniPort);
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//
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// Leave the critical section so that the spooling thread can decrease the ref count
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//
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Sleep (250);
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semSafeEnterCrit (pIniPort);
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}
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// Only allow this port to be deleted if the reference count
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// is at zero.
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//
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if (pIniPort->m_cRef == 0) {
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pIniPort->m_bDeletePending = TRUE;
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//
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// Remove the pointer from the list
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//
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// If this is our first-port then we need to handle
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// differently as we keep a global-pointer to this.
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//
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if (pIniPort == m_pPortList->pIniFirstPort) {
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m_pPortList->pIniFirstPort = pIniPort->GetNext();
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} else {
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pPrvPort->SetNext(pIniPort->GetNext());
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}
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// We only free the memeory if there are no open handles
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//
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if (pIniPort->m_cPrinterRef == 0) {
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DBG_MSG(DBG_LEV_INFO, (TEXT("Info: pIniPort Freed %p."), pIniPort));
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delete pIniPort;
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}
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bRet = TRUE;
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} else {
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DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: _inet_delete_port: Port in use: Name(%s)"), lpszPortName));
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SetLastError(ERROR_BUSY);
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}
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} else {
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DBG_MSG(DBG_LEV_WARN, (TEXT("Warn: _inet_delete_port: Unrecognized PortName: Name(%s)"), lpszPortName));
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SetLastError(ERROR_UNKNOWN_PORT);
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}
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return bRet;
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}
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/*****************************************************************************\
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* _inet_is_xcv_open
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*
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* Check whether it is a XCV Open
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*
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\*****************************************************************************/
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BOOL
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CInetMon::_inet_is_xcv_open (
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LPCTSTR lpszPortName,
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LPTSTR *ppszServerName,
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LPTSTR *ppszRealPortName,
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LPBOOL pbXcv)
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{
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static CONST TCHAR cchSlash = _T ('\\');
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static CONST TCHAR cszXcvPort[] = _T (",XcvPort ");
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static CONST DWORD cdwXcvPortLen = (sizeof (cszXcvPort) / sizeof (TCHAR)) - 1;
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BOOL bRet = TRUE;
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LPCTSTR pServerStart = NULL;
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LPTSTR pServerEnd = NULL;
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LPTSTR pszServerName = NULL;
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LPTSTR pszRealPortName = NULL;
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// "\\Server\,XcvPort Object_" */
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DWORD dwLen = lstrlen (lpszPortName);
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*pbXcv = FALSE;
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if (dwLen > cdwXcvPortLen + 1) {
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if (lpszPortName[0] == _T (',')) {
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// No Server
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pServerEnd = (LPTSTR) lpszPortName;
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}
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else if (lpszPortName[0] == cchSlash && lpszPortName[1] == cchSlash) {
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pServerStart = lpszPortName + 2;
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if (pServerEnd = _tcschr (pServerStart, cchSlash))
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pServerEnd ++;
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}
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else {
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return bRet;
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}
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if (pServerEnd && ! _tcsncmp (pServerEnd, cszXcvPort, cdwXcvPortLen)) {
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LPCTSTR pPortStart = pServerEnd + cdwXcvPortLen;
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if (pServerStart) {
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pszServerName = new TCHAR [(pServerEnd - 1) - pServerStart + 1];
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if (!pszServerName) {
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bRet = FALSE;
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}
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else {
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_tcsncpy (pszServerName, pServerStart, pServerEnd - 1 - pServerStart);
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pszServerName[pServerEnd - 1 - pServerStart] = 0;
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}
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}
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if (bRet) {
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pszRealPortName = new TCHAR [lstrlen (pPortStart) + 1];
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if (!pszRealPortName)
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bRet = FALSE;
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else {
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lstrcpy (pszRealPortName, pPortStart);
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*pbXcv = TRUE;
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}
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}
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if (!bRet) {
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if (pszServerName) {
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delete [] pszServerName;
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pszServerName = NULL;
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}
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}
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*ppszServerName = pszServerName;
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*ppszRealPortName = pszRealPortName;
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}
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}
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return bRet;
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}
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PCINETMONPORT
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CInetMon::InetmonOpenPort(
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LPCTSTR lpszPortName,
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PBOOL pbXcv)
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{
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PCINETMONPORT pIniPort = NULL;
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PCPORTMGR pPortMgr = NULL;
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DWORD dwLE;
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*pbXcv = FALSE;
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semCheckCrit();
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if (_inet_validate_portname(lpszPortName)) {
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#ifdef WINNT32
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// Let's first look to see if it is a XCV call
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LPTSTR pszServerName = NULL;
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LPTSTR pszRealPortName = NULL;
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BOOL bXcv;
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if (_inet_is_xcv_open (lpszPortName, &pszServerName, &pszRealPortName, &bXcv) && bXcv) {
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if (pIniPort = _inet_find_port(pszRealPortName)) {
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if (!pIniPort->m_bDeletePending) {
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// The refrernce to the iniport is not changed, since the client may open a XCV handle
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// to delete the port
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//
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*pbXcv = TRUE;
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}
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else {
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DBG_MSG(DBG_LEV_ERROR, (TEXT("Err : InetmonOpenPort (XCV) : Open deleted port: Port(%s)"), lpszPortName));
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SetLastError(ERROR_INVALID_NAME);
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}
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// This is a valid XcvOpen
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if (pszServerName) {
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delete [] pszServerName;
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}
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if (pszRealPortName) {
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delete [] pszRealPortName;
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}
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return pIniPort;
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}
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}
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#endif
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// Let's first look to see if this port is already in the
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// list. If not, then add it to the list and continue with
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// the open.
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//
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if ((pIniPort = _inet_find_port(lpszPortName)) == NULL) {
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semLeaveCrit();
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// Leave the critical section becuase the following call will hit the network
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pPortMgr = new CPortMgr;
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if (pPortMgr != NULL) {
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if (! pPortMgr->Create (lpszPortName)) {
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delete (pPortMgr);
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pPortMgr = NULL;
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}
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}
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dwLE = GetLastError ();
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semEnterCrit();
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if (! (pPortMgr)) {
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// The connection is invalid
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DBG_MSG(DBG_LEV_ERROR, (TEXT("Err: InetmonOpenPort : PortMgrCreate Failed: LastError(%d)"), GetLastError()));
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if (dwLE != ERROR_ACCESS_DENIED &&
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dwLE != ERROR_INVALID_PRINTER_NAME &&
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dwLE != ERROR_INVALID_NAME) {
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dwLE = ERROR_PRINTER_NOT_FOUND;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef WINNT32
|
||
|
|
// Win9X will not allow a RPC printer-name
|
||
|
|
// to install unless the error is ERROR_INVALID_NAME.
|
||
|
|
//
|
||
|
|
if (dwLE == ERROR_INVALID_PRINTER_NAME)
|
||
|
|
dwLE = ERROR_INVALID_NAME;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
SetLastError ( dwLE );
|
||
|
|
|
||
|
|
goto exit_openport;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_inet_create_port(lpszPortName, pPortMgr) == FALSE) {
|
||
|
|
|
||
|
|
DBG_MSG(DBG_LEV_ERROR, (TEXT("Err: InetmonOpenPort : Add Port Failed: LastError(%d)"), GetLastError()));
|
||
|
|
SetLastError(ERROR_INVALID_NAME);
|
||
|
|
|
||
|
|
goto exit_openport;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (pIniPort || (pIniPort = _inet_find_port(lpszPortName))) {
|
||
|
|
|
||
|
|
if (!pIniPort->m_bDeletePending) {
|
||
|
|
//
|
||
|
|
// We stop increasing the ref count since the open handles
|
||
|
|
// won't have affect on the port deletion, i.e. the port
|
||
|
|
// may be deleted even when there are open handles.
|
||
|
|
//
|
||
|
|
// pIniPort->m_cRef ++;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Increase the printer open handle ref count. This
|
||
|
|
// count is used to manage the life time of the PCINETMONPORT
|
||
|
|
// data structure. i.e. if the port is deleted when there are
|
||
|
|
// open handles, PCINETMONPORT is not freed until
|
||
|
|
//
|
||
|
|
// pIniPort->m_cPrinterRef == 0
|
||
|
|
//
|
||
|
|
|
||
|
|
pIniPort->IncPrinterRef ();
|
||
|
|
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
DBG_MSG(DBG_LEV_ERROR, (TEXT("Err : InetmonOpenPort : Open deleted port: Port(%s)"), lpszPortName));
|
||
|
|
SetLastError(ERROR_INVALID_NAME);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
DBG_MSG(DBG_LEV_ERROR, (TEXT("Err : InetmonOpenPort : Invalid Name: Port(%s)"), lpszPortName));
|
||
|
|
SetLastError(ERROR_INVALID_NAME);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
exit_openport:
|
||
|
|
|
||
|
|
return pIniPort;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
CInetMon::InetmonReleasePort(
|
||
|
|
PCINETMONPORT pIniPort)
|
||
|
|
{
|
||
|
|
DBG_MSG(DBG_LEV_CALLTREE, (TEXT("Call: InetmonReleasePort: pIniPort(%08lX)"), pIniPort));
|
||
|
|
|
||
|
|
semCheckCrit();
|
||
|
|
|
||
|
|
// Validate the port and proceed to close the port.
|
||
|
|
//
|
||
|
|
pIniPort->DecPrinterRef ();
|
||
|
|
|
||
|
|
if (pIniPort->m_bDeletePending && pIniPort->m_cPrinterRef == 0) {
|
||
|
|
//
|
||
|
|
// There is no open handles, free PCINETMONPORT
|
||
|
|
//
|
||
|
|
|
||
|
|
DBG_MSG(DBG_LEV_INFO, (TEXT("Info: InetmonReleasePort free pIniPort %p."), pIniPort));
|
||
|
|
|
||
|
|
delete pIniPort;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************\
|
||
|
|
* InetmonClosePort
|
||
|
|
*
|
||
|
|
* Close the internet connection.
|
||
|
|
*
|
||
|
|
\*****************************************************************************/
|
||
|
|
BOOL
|
||
|
|
CInetMon::InetmonClosePort(
|
||
|
|
PCINETMONPORT pIniPort,
|
||
|
|
HANDLE hPrinter)
|
||
|
|
{
|
||
|
|
|
||
|
|
DBG_MSG(DBG_LEV_CALLTREE, (TEXT("Call: InetmonClosePort: pIniPort(%08lX)"), pIniPort));
|
||
|
|
|
||
|
|
semCheckCrit();
|
||
|
|
|
||
|
|
pIniPort->ClosePort (hPrinter);
|
||
|
|
|
||
|
|
if (pIniPort->m_bDeletePending && pIniPort->m_cPrinterRef == 0) {
|
||
|
|
//
|
||
|
|
// There is no open handles, free PCINETMONPORT
|
||
|
|
//
|
||
|
|
|
||
|
|
DBG_MSG(DBG_LEV_INFO, (TEXT("Info: pIniPort Freed %p."), pIniPort));
|
||
|
|
|
||
|
|
delete pIniPort;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************\
|
||
|
|
* InetmonEnumPorts
|
||
|
|
*
|
||
|
|
* Enumerate the ports registered in our list.
|
||
|
|
*
|
||
|
|
\*****************************************************************************/
|
||
|
|
BOOL
|
||
|
|
CInetMon::InetmonEnumPorts(
|
||
|
|
LPTSTR lpszServerName,
|
||
|
|
DWORD dwLevel,
|
||
|
|
LPBYTE pPorts,
|
||
|
|
DWORD cbBuf,
|
||
|
|
LPDWORD pcbNeeded,
|
||
|
|
LPDWORD pcReturned)
|
||
|
|
{
|
||
|
|
PCINETMONPORT pIniPort;
|
||
|
|
DWORD cb;
|
||
|
|
LPBYTE pEnd;
|
||
|
|
DWORD dwError = ERROR_SUCCESS;
|
||
|
|
|
||
|
|
semCheckCrit();
|
||
|
|
|
||
|
|
// Traverse the list to build the size of the entire list.
|
||
|
|
//
|
||
|
|
cb = 0;
|
||
|
|
|
||
|
|
pIniPort = m_pPortList->pIniFirstPort;
|
||
|
|
|
||
|
|
while (pIniPort) {
|
||
|
|
|
||
|
|
cb += pIniPort->_inet_size_entry(dwLevel);
|
||
|
|
|
||
|
|
pIniPort = pIniPort->m_pNext;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Store the size of the list (This is the size needed).
|
||
|
|
//
|
||
|
|
*pcbNeeded = cb;
|
||
|
|
|
||
|
|
|
||
|
|
// If the size of the list is capable of being stored in the buffer
|
||
|
|
// passed in, then we can return the entries.
|
||
|
|
//
|
||
|
|
if (cb <= cbBuf) {
|
||
|
|
|
||
|
|
pEnd = pPorts + cbBuf;
|
||
|
|
|
||
|
|
*pcReturned = 0;
|
||
|
|
|
||
|
|
pIniPort = m_pPortList->pIniFirstPort;
|
||
|
|
|
||
|
|
while (pIniPort) {
|
||
|
|
|
||
|
|
pEnd = pIniPort->_inet_copy_entry(dwLevel, pPorts, pEnd);
|
||
|
|
|
||
|
|
switch (dwLevel) {
|
||
|
|
|
||
|
|
case PRINT_LEVEL_1:
|
||
|
|
pPorts += sizeof(PORT_INFO_1);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case PRINT_LEVEL_2:
|
||
|
|
pPorts += sizeof(PORT_INFO_2);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
pIniPort = pIniPort->m_pNext;
|
||
|
|
|
||
|
|
(*pcReturned)++;
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
dwError = ERROR_INSUFFICIENT_BUFFER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dwError != ERROR_SUCCESS) {
|
||
|
|
SetLastError(dwError);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************\
|
||
|
|
* InetmonDeletePort
|
||
|
|
*
|
||
|
|
* Deletes a port from the INIMONPORT list.
|
||
|
|
*
|
||
|
|
\*****************************************************************************/
|
||
|
|
BOOL
|
||
|
|
CInetMon::InetmonDeletePort(
|
||
|
|
LPCTSTR lpszPortName,
|
||
|
|
HWND hWnd,
|
||
|
|
LPCTSTR lpszMonitorName)
|
||
|
|
{
|
||
|
|
BOOL bRet = FALSE;
|
||
|
|
|
||
|
|
semCheckCrit();
|
||
|
|
|
||
|
|
if (_inet_validate_portname(lpszPortName))
|
||
|
|
bRet = _inet_delete_port(lpszPortName);
|
||
|
|
|
||
|
|
return bRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*****************************************************************************\
|
||
|
|
* InetmonAddPort
|
||
|
|
*
|
||
|
|
* Adds a port to the INIMONPORT list.
|
||
|
|
*
|
||
|
|
\*****************************************************************************/
|
||
|
|
BOOL
|
||
|
|
CInetMon::InetmonAddPort(
|
||
|
|
LPCTSTR lpszPortName,
|
||
|
|
LPCTSTR lpszMonitorName)
|
||
|
|
{
|
||
|
|
BOOL bRet = FALSE;
|
||
|
|
PCPORTMGR pPortMgr = NULL;
|
||
|
|
|
||
|
|
semCheckCrit();
|
||
|
|
|
||
|
|
// If the port is not-found, then we can add it. Otherwise,
|
||
|
|
// the port already exists.
|
||
|
|
//
|
||
|
|
if (_inet_validate_portname(lpszPortName)) {
|
||
|
|
|
||
|
|
if (_inet_find_port(lpszPortName) == NULL) {
|
||
|
|
|
||
|
|
pPortMgr = new CPortMgr;
|
||
|
|
|
||
|
|
if (pPortMgr != NULL) {
|
||
|
|
if (!pPortMgr->Init (lpszPortName)) {
|
||
|
|
delete pPortMgr;
|
||
|
|
pPortMgr = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pPortMgr) {
|
||
|
|
bRet = (_inet_create_port(lpszPortName, pPortMgr) != NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return bRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*****************************************************************************\
|
||
|
|
* InetmonFindPort
|
||
|
|
*
|
||
|
|
* Looks for port in INIMONPORT list.
|
||
|
|
*
|
||
|
|
\*****************************************************************************/
|
||
|
|
PCINETMONPORT
|
||
|
|
CInetMon::InetmonFindPort(
|
||
|
|
LPCTSTR lpszPortName)
|
||
|
|
{
|
||
|
|
PCINETMONPORT hPort = NULL;
|
||
|
|
|
||
|
|
semCheckCrit();
|
||
|
|
|
||
|
|
if (_inet_validate_portname(lpszPortName))
|
||
|
|
hPort = _inet_find_port(lpszPortName) ;
|
||
|
|
|
||
|
|
return hPort;
|
||
|
|
}
|
||
|
|
|
||
|
|
/********************************************************************************
|
||
|
|
** End of FIle (inetpp.c)
|
||
|
|
********************************************************************************/
|
||
|
|
|