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365 lines
14 KiB
365 lines
14 KiB
//
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// MODULE: APGTSCLS.H
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//
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// PURPOSE: Class header file
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//
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// PROJECT: Generic Troubleshooter DLL for Microsoft AnswerPoint
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//
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// COMPANY: Saltmine Creative, Inc. (206)-633-4743 [email protected]
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//
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// AUTHOR: Roman Mach
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// further work by Richard Meadows (RWM), Joe Mabel, Oleg Kalosha
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//
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// ORIGINAL DATE: 8-2-96
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//
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// NOTES:
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// 1. Based on Print Troubleshooter DLL
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//
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// Version Date By Comments
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//--------------------------------------------------------------------
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// V0.1 - RM Original
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// V0.2 6/4/97 RWM Local Version for Memphis
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// V0.3 3/24/98 JM/OK+ Local Version for NT5
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//
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// names as part of name/value pairs to pass in to queries
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#define C_TYPE _T("type") // name of the troubleshooting belief network
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#define C_FIRST _T("first") // show "first" page (a list of loaded troubleshooters)
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// although useful in the Online Troubleshooter, which
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// has lots of troubleshooting networks loaded at once,
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// this is probably useless in the Local TS, except maybe
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// to show VERSIONSTR.).
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#define C_SELECT _T("select") // UNSUPPORTED 3/98: Returns a page that has all of the
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// troubleshooting belief networks
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#define C_PRELOAD _T("preload") // relates to a 1997 prototype way of doing sniffing
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// with a separate OCX. Probably should not be
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// supported for 3/98 onwards.
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#define C_ASK_LIBRARY _T("asklibrary") // says, in effect, "establish contact with the
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// launch server & query it for what to do.
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#define VERSIONSTR _T("V3.0") // >>> Typically, should be changed for each major release.
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// no registry parameter can be larger than this value
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#define ABS_MAX_REG_PARAM_VAL 10000
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// these are settable in registry, defaults
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// resource directory (configuration/support files):
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#define DEF_FULLRESOURCE _T("c:\\inetsrv\\scripts\\apgts\\resource")
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// offsets for file types
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#define BNOFF_HTM 0
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#define BNOFF_DSC 1 // Are replacing bin with dsc.
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#define BNOFF_HTI 2
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#define BNOFF_BES 3
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#define MAXBNFILES 4
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// track a file for file change purposes
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// >>> I suspect this is not ultimately relevant to Local TS. This comes from an Online TS
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// consideration of updating when a new version of a TS belief NW is loaded. - JM
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typedef struct _FILECTL {
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WIN32_FIND_DATA FindData; // we really use this just for ftLastWriteTime. Using the
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// whole WIN32_FIND_DATA here makes some code a bit obscure.
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TCHAR szFilename[MAXBUF]; // just the filename (no path)
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TCHAR szFilepath[MAXBUF]; // full path name of file
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BOOL bChanged; // TRUE ==> File exists & its date/time differs from that
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// indicated by FindData.ftLastWriteTime
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BOOL bExist; // normally TRUE, set FALSE if we try to access the file
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// & it isn't there.
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BOOL bIndependent; // TRUE ==> this file is able to be changed independently of
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// any other file. As of 10/97, this is strictly historical,
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// but DSC files are arbitrarily considered dependent.
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CString strFile; // file name (for example, LAN.hti), if "szFilepath"
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// member contains *.chm file
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} FILECTL;
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// In Online TS there is one of these for each instance of a TS Belief Network and
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// there may be multiple instances of one troubleshooter. Probably overkill to isolate
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// as a separate struct for Local TS, but we inherited it.
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typedef struct _BNAPICFG {
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BCache *pAPI;
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CHTMLInputTemplate *pTemplate; // object corresponding to HTI file
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DWORD waitcount; // really a use count, >>> almost certainly irrelevant to
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// Local TS.
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TCHAR type[MAXBUF]; // symbolic name of the Belief Network
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TCHAR szFilepath[MAXBNFILES][MAXBUF]; // first dimension corresponds to different files
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// (DSC, HTI, BES) in the directory. Full filepath of each
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// of these files .Index should be a BNOFF constant.
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TCHAR szResPath[MAXBUF]; // path to the monitored directory which contains the support
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// files. Who knows why this is replicated here!
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CString strFile[MAXBNFILES];// file name (for example, LAN.hti), if "szFilepath"
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// member contains *.chm file
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} BNAPICFG;
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// In Online TS, one of these for API_A_OFF, one for API_B_OFF. Again, probably overkill
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// for local TS.
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typedef struct _BNCTL {
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HANDLE *pHandles; // array of handles to mutexes. certainly irrelevant to Local TS
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DWORD dwHandleCnt; // dimension of *pHandles
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BNAPICFG api; // Note contrast to Online TS, where this is an array.
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DWORD dwApiCnt; // Must be meaningless for Local TS: dimension of what's not
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// even an array
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} BNCTL;
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// track a directory for file change purposes. Again, probably overkill for local TS.
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typedef struct _BNDIRCFG {
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FILECTL file[MAXBNFILES]; // dimension corresponds to different files in the directory.
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// Index should be a BNOFF constant
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BOOL bDependChg; // Historically, TRUE ==> files are interdependent on an update
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TCHAR type[MAXBUF]; // symbolic name of the Belief Network
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TCHAR szResPath[MAXBUF]; // path to this directory. SAME FOR ALL TROUBLEHOOTERS as
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// of 10/97. Who knows why this is replicated here!
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} BNDIRCFG;
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//
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//
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#include "Rsstack.h"
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class APGTSContext;
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interface ILaunchTS;
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class CHttpQuery {
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public:
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CHttpQuery();
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~CHttpQuery();
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void RemoveAll(){m_State.RemoveAll();};
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void Debug();
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void Initialize(const VARIANT FAR& varCmds, const VARIANT FAR& varVals, short size);
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void SetFirst(CString &strCmd, CString &strVal);
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void FinishInit(BCache *pApi, const VARIANT FAR& varCmds, const VARIANT FAR& varVals);
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void FinishInitFromServ(BCache *pApi, ILaunchTS *pLaunchTS);
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BOOL StrIsDigit(LPCTSTR pSz);
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BOOL GetFirst(CString &strPut, CString &strValue);
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void SetStackDirection();
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BOOL GetNext(int &refedCmd, int &refedVal /* TCHAR *pPut, TCHAR *pValue */ );
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CString GetTroubleShooter(); // Gets the first Vals BSTR.
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CString GetFirstCmd();
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BOOL GetValue(int &Value, int index);
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BOOL GetValue1(int &Value);
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BOOL BackUp(BCache *pApi, APGTSContext *pCtx);
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void RemoveNodes(BCache *pApi);
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void AddNodes(BCache *pApi);
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int StatesFromServ(){return m_nStatesFromServ;};
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void RestoreStatesFromServ();
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CString GetSubmitString(BCache *pApi);
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CString& GetMachine();
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CString& GetPNPDevice();
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CString& GetDeviceInstance();
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CString& GetGuidClass();
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void PushNodesLastSniffed(const CArray<int, int>& arr);
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protected:
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// The next 2 members are arrays of strings. See CHttpQuery::Initialize() for details of
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// the many conditions they must meet. Taken together, they constitute name/value
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// pairs to set initial conditions for the troubleshooter. The first pair indicates what
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// troubleshooting belief network to load, the second indicates the problem node,
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// additional pairs indicate other nodes to be set. All but the first are optional.
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VARIANT *m_pvarCmds;
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VARIANT *m_pvarVals;
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// The next 2 members are copies of the first pair in the above arrays.
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CString m_strCmd1; // should always be "type"
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CString m_strVal1; // name of the current troubleshooting belief network
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// The next 4 parameters are machine, device, device instance id and class GUID
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CString m_strMachineID;
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CString m_strPNPDeviceID;
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CString m_strDeviceInstanceID;
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CString m_strGuidClass;
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int m_CurrentUse; // >>> needs to be documented.
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int m_Size; // clearly correlated to the number of name/value pairs that come
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// in from TSLaunchServ or from an HTML "get"; once
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// initialization is complete, one more than the number of
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// CNodes in stack m_State. Sometimes this is incremented
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// in synch with pushing onto the stack, sometimes not.
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// >>> Is there any clean characterization of this variable?
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// >>> If anyone understands this better, please document. JM
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bool m_bReverseStack; /* Richard writes in a 3/14/98 email: "I had to add reverse
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stack to make the thing work when launched from the device
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manager. The theory is that the order of instantiations is
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not important. What happens is the recommendations we get
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are different if the nodes are instantiated in reverse order."
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>>> If you understand more about this, please document further. */
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UINT m_nStatesFromServ; // the number of nodes (including the problem node) whose states
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// were set by TSLaunchServ. This allows us to avoid showing a
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// BACK button when that would take us farther back than where
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// we started.
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class CNode
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{
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public:
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CNode() {cmd=0;val=0;sniffed=false;};
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int cmd; // An IDH-style node number. If this is an actual node, it's the
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// "raw" node number + idhFirst, and val is the state. If it's
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// <the count of nodes> + idhFirst, then val is the problem node.
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// There's also something about a special value for TRY_TS_AT_MICROSOFT
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// I (JM 3/98) believe that's something to do with an incomplete
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// plan of being able to dynamically download troubleshooters
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// from the net, but I could be wrong.
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// >>> Maybe type should be IDH?
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int val; // see documentation of cmd.
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bool sniffed; // indicates that the node was set as result of sniffing
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// really UGLY that we have to spread this flag all over the place
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// but the fact that multiple classes and data containers support
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// the simple process of navigation is not less UGLY!!!
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};
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// Despite being a stack, there are times we access members other than
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// by push and pop. According to Richard, stack was originally set up here
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// in support of BACK button, but m_bReverseStack was introduced because of a
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// situation (launching with problem node + other node(s) set) where
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// we needed to juggle things to pop problem node first.
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// (JM 4/1/98)
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RSStack<CNode> m_State;
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void ThrowBadParams(CString &str);
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CNode m_aStatesFromServ[55]; // Keep around a copy of the states set on instructions
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// from TS Launcher.
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// size is arbitrary, way larger than needed.
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};
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//
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//
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class CDBLoadConfiguration
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{
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public:
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CDBLoadConfiguration();
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CDBLoadConfiguration(HMODULE hModule, LPCTSTR szValue);
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~CDBLoadConfiguration();
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void Initialize(HMODULE hModule, LPCTSTR szValue);
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void SetValues(CHttpQuery &httpQ);
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VOID ResetNodes();
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VOID ResetTemplate();
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TCHAR *GetFullResource();
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VOID GetVrootPath(TCHAR *tobuf);
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TCHAR *GetHtmFilePath(BNCTL *currcfg, DWORD i);
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TCHAR *GetBinFilePath(BNCTL *currcfg, DWORD i);
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TCHAR *GetHtiFilePath(BNCTL *currcfg, DWORD i);
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TCHAR *GetTagStr(BNCTL *currcfg, DWORD i);
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DWORD GetFileCount(BNCTL *currcfg);
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BNCTL *GetAPI();
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BOOL FindAPIFromValue( BNCTL *currcfg, \
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LPCTSTR type, \
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CHTMLInputTemplate **pIT, \
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/*CSearchForm **pBES,*/ \
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BCache **pAPI, \
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DWORD *dwOff);
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BOOL RescanRegistry(BOOL bChangeAllow);
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bool IsUsingCHM();
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protected:
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// variables corresponding to the registry; comments refer to initial values
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TCHAR m_szResourcePath[MAXBUF]; // DEF_FULLRESOURCE: resource directory
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CString m_strCHM; // name of CHM file if any
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BNCTL m_cfg; // In local TS, the one and only BNCTL (there are 2 in Online TS
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// as part of the reload strategy)
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BNDIRCFG m_dir; // Similarly, for the sole instance of the sole TS belief network
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DWORD m_bncfgsz; // a rather useless "dimension" of what is not an array in Local TS
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DWORD m_dwFilecount; // Badly named. Total number of instances of troubleshooters
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// mandated by APGTS.LST. Proabably totally irrelvant in Local TS
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TCHAR m_nullstr[2]; // null string, here so if we have to return a string pointer
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// which is not allocated, we can point them here instead.
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DWORD m_dwErr;
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protected:
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VOID GetDSCExtension(CString &strDSCExtension, LPCTSTR szValue);
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VOID InitializeToDefaults();
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VOID InitializeFileTimeList();
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DWORD CreateApi(TCHAR *szErrInfo);
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VOID DestroyApi();
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VOID LoadSingleTS(LPCTSTR szValue); // Replaces ProcessLstFile.
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BOOL CreatePaths(LPCTSTR szNetwork);
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VOID BackslashIt(TCHAR *str);
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BOOL GetResourceDirFromReg(LPCTSTR szNetwork);
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VOID ProcessEventReg(HMODULE hModule);
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VOID CreateEvtMF(HKEY hk, HMODULE hModule);
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VOID CreateEvtTS(HKEY hk);
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VOID ClearCfg(DWORD off);
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VOID InitializeSingleResourceData(LPCTSTR szValue); // Replaces InitializeMainResourceData when apgts is in an OLE Control.
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};
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//
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//
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typedef struct _EVAL_WORD_METRIC {
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DWORD dwVal;
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DWORD dwApiIdx;
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} EVAL_WORD_METRIC;
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//
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//
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class APGTSContext
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{
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public:
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APGTSContext();
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APGTSContext( BNCTL *currcfg,
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CDBLoadConfiguration *pConf,
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CHttpQuery *pHttpQuery);
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~APGTSContext();
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void Initialize(BNCTL *currcfg,
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CDBLoadConfiguration *pConf,
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CHttpQuery *pHttpQuery);
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void DoContent(CHttpQuery *pQry);
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void RenderNext(CString &strPage);
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void Empty();
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void RemoveSkips();
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void ResetService();
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void BackUp(int nid, int state) {m_infer->BackUp(nid, state);};
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void ClearBackup() {m_infer->ClearBackup();};
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CSniffedNodeContainer* GetSniffedNodeContainer() {return m_infer ? m_infer->GetSniffedNodeContainer() : NULL;}
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protected:
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void StartContent();
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DWORD ProcessCommands(LPCTSTR pszCmd, LPCTSTR pszValue);
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DWORD DoInference(LPCTSTR pszCmd, LPCTSTR pszValue, CHTMLInputTemplate *pInputTemplate, BCache *pAPI, DWORD dwOff);
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TCHAR *GetCookieValue(CHAR *pszName, CHAR *pszNameValue);
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TCHAR *asctimeCookie(struct tm *gmt);
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void DisplayFirstPage();
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protected:
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DWORD m_dwErr;
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TCHAR m_vroot[MAXBUF]; // Local URL to this OCX
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TCHAR m_resptype[MAXBUF]; // HTTP response type e.g. "200 OK", "302 Object Moved"
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CString *m_pszheader; // In Online TS, header for response file (indicates whether
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// we're sending HTML, setting a cookie, etc.)
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// Not sure how this is relevant to Local TS.
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BNCTL *m_currcfg; // pointer to the BNCTL which we will use for this query
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CString *m_pCtxt; // this is where we build the string to pass back (the newly
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// constructed page)
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CHttpQuery *m_pQry; // takes in raw URL-encoded string, gives us
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// functions to get back scanned pairs.
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CDBLoadConfiguration *m_pConf; // contains support-file data structures
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CInfer *m_infer; // belief-network handler, unique to this request
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time_t m_aclock; // time we build this object
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};
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